Merge pull request #223 from bilibili/library/prometheus

use pkg/stat/metric prometheus replace pkg/stat/prom.

go.mod

@@ -4,49 +4,55 @@ go 1.12
 
 require (
 	github.com/BurntSushi/toml v0.3.1
-	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
+	github.com/StackExchange/wmi v0.0.0-20190523213609-cbe66965904d // indirect
-	github.com/aristanetworks/goarista v0.0.0-20190409234242-46f4bc7b73ef // indirect
+	github.com/aristanetworks/goarista v0.0.0-20190712234253-ed1100a1c015 // indirect
 	github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d // indirect
 	github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 // indirect
 	github.com/cznic/strutil v0.0.0-20181122101858-275e90344537 // indirect
-	github.com/dgryski/go-farm v0.0.0-20190323231341-8198c7b169ec
+	github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2
 	github.com/fatih/color v1.7.0
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/go-ole/go-ole v1.2.4 // indirect
 	github.com/go-playground/locales v0.12.1 // indirect
 	github.com/go-playground/universal-translator v0.16.0 // indirect
 	github.com/go-sql-driver/mysql v1.4.1
-	github.com/gogo/protobuf v1.2.0
+	github.com/gogo/protobuf v1.2.1
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
 	github.com/golang/mock v1.3.1 // indirect
-	github.com/golang/protobuf v1.3.1
+	github.com/golang/protobuf v1.3.2
 	github.com/google/btree v1.0.0 // indirect
 	github.com/gorilla/websocket v1.4.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.9.4 // indirect
-	github.com/json-iterator/go v1.1.6 // indirect
+	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/leodido/go-urn v1.1.0 // indirect
+	github.com/mattn/go-colorable v0.1.2 // indirect
 	github.com/montanaflynn/stats v0.5.0
 	github.com/openzipkin/zipkin-go v0.2.0
 	github.com/pkg/errors v0.8.1
-	github.com/prometheus/client_golang v0.9.2
+	github.com/prometheus/client_golang v1.0.0
-	github.com/remyoudompheng/bigfft v0.0.0-20190321074620-2f0d2b0e0001 // indirect
+	github.com/prometheus/client_model v0.0.0-20190220174349-fd36f4220a90 // indirect
+	github.com/prometheus/common v0.6.0 // indirect
+	github.com/prometheus/procfs v0.0.3 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20190806203942-babf20351dd7e3ac320adedbbe5eb311aec8763c // indirect
 	github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec // indirect
-	github.com/shirou/gopsutil v2.18.12+incompatible
+	github.com/shirou/gopsutil v2.19.6+incompatible
 	github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726
-	github.com/sirupsen/logrus v1.4.1
+	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/testify v1.3.0
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
-	github.com/tsuna/gohbase v0.0.0-20190201102810-d3184c1526df
+	github.com/tsuna/gohbase v0.0.0-20190502052937-24ffed0537aa
 	github.com/urfave/cli v1.20.0
 	go.etcd.io/etcd v0.0.0-20190720005121-fe86a786a4c3
 	go.uber.org/atomic v1.4.0 // indirect
 	go.uber.org/zap v1.10.0 // indirect
+	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
 	golang.org/x/net v0.0.0-20190628185345-da137c7871d7
-	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
+	golang.org/x/sys v0.0.0-20190712062909-fae7ac547cb7 // indirect
+	golang.org/x/time v0.0.0-20190513212739-9d24e82272b4 // indirect
 	google.golang.org/appengine v1.6.1 // indirect
-	google.golang.org/genproto v0.0.0-20190701230453-710ae3a149df
+	google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610
 	google.golang.org/grpc v1.22.0
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
-	gopkg.in/go-playground/validator.v9 v9.26.0
+	gopkg.in/go-playground/validator.v9 v9.29.1
 	gopkg.in/yaml.v2 v2.2.2
 )

go.sum

@@ -3,12 +3,17 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
-github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/StackExchange/wmi v0.0.0-20190523213609-cbe66965904d h1:VWP4o43LuzNbykZJzMUv5b9DWLgn0sn3GUj3RUyWMMQ=
-github.com/aristanetworks/goarista v0.0.0-20190409234242-46f4bc7b73ef h1:ajsnF5qTstiBlP+V/mgh91zZfoKP477KfSmRoCoyYGU=
+github.com/StackExchange/wmi v0.0.0-20190523213609-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
-github.com/aristanetworks/goarista v0.0.0-20190409234242-46f4bc7b73ef/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/aristanetworks/goarista v0.0.0-20190712234253-ed1100a1c015 h1:7ABPr1+uJdqESAdlVevnc/2FJGiC/K3uMg1JiELeF+0=
+github.com/aristanetworks/goarista v0.0.0-20190712234253-ed1100a1c015/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cockroachdb/datadriven v0.0.0-20190531201743-edce55837238 h1:uNljlOxtOHrPnRoPPx+JanqjAGZpNiqAGVBfGskd/pg=
@@ -31,8 +36,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/dgryski/go-farm v0.0.0-20190323231341-8198c7b169ec h1:sElGDs3V8VdCxH5tWi0ycWJzteOPLJ3HtItSSKI95PY=
+github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
-github.com/dgryski/go-farm v0.0.0-20190323231341-8198c7b169ec/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
+github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4 h1:qk/FSDDxo05wdJH28W+p5yivv7LuLYLRXPPD8KQCtZs=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
@@ -45,6 +50,10 @@ github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
+github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
 github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-playground/locales v0.12.1 h1:2FITxuFt/xuCNP1Acdhv62OzaCiviiE4kotfhkmOqEc=
@@ -53,10 +62,14 @@ github.com/go-playground/universal-translator v0.16.0 h1:X++omBR/4cE2MNg91AoC3rm
 github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY=
 github.com/go-sql-driver/mysql v1.4.1 h1:g24URVg0OFbNUTx9qqY1IRZ9D9z3iPyi5zKhQZpNwpA=
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
 github.com/gogo/protobuf v1.0.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.0 h1:xU6/SpYbvkNYiptHJYEDRseDLvYE7wSqhYYNy0QSUzI=
 github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
+github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -70,11 +83,14 @@ github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
+github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180124185431-e89373fe6b4a/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/uuid v1.0.0 h1:b4Gk+7WdP/d3HZH8EJsZpvV7EtDOgaZLtnaNGIu1adA=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
@@ -96,8 +112,14 @@ github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22
 github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/konsorten/go-windows-terminal-sequences v1.0.2 h1:DB17ag19krx9CFsz4o3enTrPXyIXCl+2iCXH/aMAp9s=
+github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.0.0/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -107,10 +129,12 @@ github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/leodido/go-urn v1.1.0 h1:Sm1gr51B1kKyfD2BlRcLSiEkffoG96g6TPv6eRoEiB8=
 github.com/leodido/go-urn v1.1.0/go.mod h1:+cyI34gQWZcE1eQU7NVgKkkzdXDQHr1dBMtdAPozLkw=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
-github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
-github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
+github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
+github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
+github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
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@@ -121,6 +145,7 @@ github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9
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@@ -136,30 +161,39 @@ github.com/pkg/profile v1.2.1/go.mod h1:hJw3o1OdXxsrSjjVksARp5W95eeEaEfptyVZyv6J
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@@ -174,8 +208,8 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
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 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
+golang.org/x/time v0.0.0-20190513212739-9d24e82272b4 h1:RMGusaKverhgGR5KBERIKiTyWoWHRd84GCtsNlvLvIo=
-golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20190513212739-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -242,14 +285,15 @@ google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180608181217-32ee49c4dd80/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190701230453-710ae3a149df h1:k3DT34vxk64+4bD5x+fRy6U0SXxZehzUHRSYUJcKfII=
+google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610 h1:Ygq9/SRJX9+dU0WCIICM8RkWvDw03lvB77hrhJnpxfU=
-google.golang.org/genproto v0.0.0-20190701230453-710ae3a149df/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
+google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
 google.golang.org/grpc v1.22.0 h1:J0UbZOIrCAl+fpTOf8YLs4dJo8L/owV4LYVtAXQoPkw=
 google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
@@ -259,8 +303,8 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
 gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
-gopkg.in/go-playground/validator.v9 v9.26.0 h1:2NPPsBpD0ZoxshmLWewQru8rWmbT5JqSzz9D1ZrAjYQ=
+gopkg.in/go-playground/validator.v9 v9.29.1 h1:SvGtYmN60a5CVKTOzMSyfzWDeZRxRuGvRQyEAKbw1xc=
-gopkg.in/go-playground/validator.v9 v9.26.0/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
+gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=

pkg/cache/memcache/errors.go

@@ -49,10 +49,13 @@ func (pe protocolError) Error() string {
 	return fmt.Sprintf("memcache: %s (possible server error or unsupported concurrent read by application)", string(pe))
 }
 
-func formatErr(err error) string {
+func (pc *poolConn) formatErr(err error) string {
 	e := pkgerr.Cause(err)
 	switch e {
 	case ErrNotFound, ErrExists, ErrNotStored, nil:
+		if e == ErrNotFound {
+			_metricMisses.Inc(pc.p.c.Name, pc.p.c.Addr)
+		}
 		return ""
 	default:
 		es := e.Error()

pkg/cache/memcache/metrics.go

@@ -0,0 +1,51 @@
+package memcache
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const namespace = "memcache_client"
+
+var (
+	_metricReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "memcache client requests duration(ms).",
+		Labels:    []string{"name", "addr", "command"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000, 2500},
+	})
+	_metricReqErr = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "error_total",
+		Help:      "memcache client requests error count.",
+		Labels:    []string{"name", "addr", "command", "error"},
+	})
+	_metricConnTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "total",
+		Help:      "memcache client connections total count.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+	_metricConnCurrent = metric.NewGaugeVec(&metric.GaugeVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "current",
+		Help:      "memcache client connections current.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+	_metricHits = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "",
+		Name:      "hits_total",
+		Help:      "memcache client hits total.",
+		Labels:    []string{"name", "addr"},
+	})
+	_metricMisses = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "",
+		Name:      "misses_total",
+		Help:      "memcache client misses total.",
+		Labels:    []string{"name", "addr"},
+	})
+)

pkg/cache/memcache/pool_conn.go

@@ -7,11 +7,8 @@ import (
 	"time"
 
 	"github.com/bilibili/kratos/pkg/container/pool"
-	"github.com/bilibili/kratos/pkg/stat"
 )
 
-var stats = stat.Cache
-
 // Pool memcache connection pool struct.
 // Deprecated: Use Memcache instead
 type Pool struct {
@@ -62,13 +59,15 @@ type poolConn struct {
 	ctx context.Context
 }
 
-func pstat(key string, t time.Time, err error) {
+func (pc *poolConn) pstat(key string, t time.Time, err error) {
-	stats.Timing(key, int64(time.Since(t)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(t)/time.Millisecond), pc.p.c.Name, pc.p.c.Addr, key)
 	if err != nil {
-		if msg := formatErr(err); msg != "" {
+		if msg := pc.formatErr(err); msg != "" {
-			stats.Incr("memcache", msg)
+			_metricReqErr.Inc(pc.p.c.Name, pc.p.c.Addr, key, msg)
 		}
+		return
 	}
+	_metricHits.Inc(pc.p.c.Name, pc.p.c.Addr)
 }
 
 func (pc *poolConn) Close() error {
@@ -132,28 +131,28 @@ func (pc *poolConn) Decrement(key string, delta uint64) (newValue uint64, err er
 func (pc *poolConn) AddContext(ctx context.Context, item *Item) error {
 	now := time.Now()
 	err := pc.c.AddContext(ctx, item)
-	pstat("memcache:add", now, err)
+	pc.pstat("add", now, err)
 	return err
 }
 
 func (pc *poolConn) SetContext(ctx context.Context, item *Item) error {
 	now := time.Now()
 	err := pc.c.SetContext(ctx, item)
-	pstat("memcache:set", now, err)
+	pc.pstat("set", now, err)
 	return err
 }
 
 func (pc *poolConn) ReplaceContext(ctx context.Context, item *Item) error {
 	now := time.Now()
 	err := pc.c.ReplaceContext(ctx, item)
-	pstat("memcache:replace", now, err)
+	pc.pstat("replace", now, err)
 	return err
 }
 
 func (pc *poolConn) GetContext(ctx context.Context, key string) (*Item, error) {
 	now := time.Now()
 	item, err := pc.c.Get(key)
-	pstat("memcache:get", now, err)
+	pc.pstat("get", now, err)
 	return item, err
 }
 
@@ -164,41 +163,41 @@ func (pc *poolConn) GetMultiContext(ctx context.Context, keys []string) (map[str
 	}
 	now := time.Now()
 	items, err := pc.c.GetMulti(keys)
-	pstat("memcache:gets", now, err)
+	pc.pstat("gets", now, err)
 	return items, err
 }
 
 func (pc *poolConn) DeleteContext(ctx context.Context, key string) error {
 	now := time.Now()
 	err := pc.c.Delete(key)
-	pstat("memcache:delete", now, err)
+	pc.pstat("delete", now, err)
 	return err
 }
 
 func (pc *poolConn) IncrementContext(ctx context.Context, key string, delta uint64) (uint64, error) {
 	now := time.Now()
 	newValue, err := pc.c.IncrementContext(ctx, key, delta)
-	pstat("memcache:increment", now, err)
+	pc.pstat("increment", now, err)
 	return newValue, err
 }
 
 func (pc *poolConn) DecrementContext(ctx context.Context, key string, delta uint64) (uint64, error) {
 	now := time.Now()
 	newValue, err := pc.c.DecrementContext(ctx, key, delta)
-	pstat("memcache:decrement", now, err)
+	pc.pstat("decrement", now, err)
 	return newValue, err
 }
 
 func (pc *poolConn) CompareAndSwapContext(ctx context.Context, item *Item) error {
 	now := time.Now()
 	err := pc.c.CompareAndSwap(item)
-	pstat("memcache:cas", now, err)
+	pc.pstat("cas", now, err)
 	return err
 }
 
 func (pc *poolConn) TouchContext(ctx context.Context, key string, seconds int32) error {
 	now := time.Now()
 	err := pc.c.Touch(key, seconds)
-	pstat("memcache:touch", now, err)
+	pc.pstat("touch", now, err)
 	return err
 }

pkg/cache/redis/conn.go

@@ -27,16 +27,11 @@ import (
 	"sync"
 	"time"
 
-	"github.com/bilibili/kratos/pkg/stat"
-
 	"github.com/pkg/errors"
 )
 
-var stats = stat.Cache
-
 // conn is the low-level implementation of Conn
 type conn struct {
-
 	// Shared
 	mu      sync.Mutex
 	pending int
@@ -57,20 +52,6 @@ type conn struct {
 
 	// Scratch space for formatting integers and floats.
 	numScratch [40]byte
-	// stat func,default prom
-	stat func(string, *error) func()
-}
-
-func statfunc(cmd string, err *error) func() {
-	now := time.Now()
-	return func() {
-		stats.Timing(fmt.Sprintf("redis:%s", cmd), int64(time.Since(now)/time.Millisecond))
-		if err != nil {
-			if msg := formatErr(*err); msg != "" {
-				stats.Incr("redis", msg)
-			}
-		}
-	}
 }
 
 // DialTimeout acts like Dial but takes timeouts for establishing the
@@ -95,14 +76,6 @@ type dialOptions struct {
 	dial         func(network, addr string) (net.Conn, error)
 	db           int
 	password     string
-	stat         func(string, *error) func()
-}
-
-// DialStats specifies stat func for stats.default statfunc.
-func DialStats(fn func(string, *error) func()) DialOption {
-	return DialOption{func(do *dialOptions) {
-		do.stat = fn
-	}}
 }
 
 // DialReadTimeout specifies the timeout for reading a single command reply.
@@ -171,7 +144,6 @@ func Dial(network, address string, options ...DialOption) (Conn, error) {
 		br:           bufio.NewReader(netConn),
 		readTimeout:  do.readTimeout,
 		writeTimeout: do.writeTimeout,
-		stat:         statfunc,
 	}
 
 	if do.password != "" {
@@ -187,9 +159,6 @@ func Dial(network, address string, options ...DialOption) (Conn, error) {
 			return nil, errors.WithStack(err)
 		}
 	}
-	if do.stat != nil {
-		c.stat = do.stat
-	}
 	return c, nil
 }
 
@@ -551,7 +520,6 @@ func (c *conn) Do(cmd string, args ...interface{}) (interface{}, error) {
 		return nil, nil
 	}
 	var err error
-	defer c.stat(cmd, &err)()
 	if cmd != "" {
 		err = c.writeCommand(cmd, args)
 	}

pkg/cache/redis/errors.go

@@ -6,10 +6,13 @@ import (
 	pkgerr "github.com/pkg/errors"
 )
 
-func formatErr(err error) string {
+func formatErr(err error, name, addr string) string {
 	e := pkgerr.Cause(err)
 	switch e {
 	case ErrNil, nil:
+		if e == ErrNil {
+			_metricMisses.Inc(name, addr)
+		}
 		return ""
 	default:
 		es := e.Error()

pkg/cache/redis/metrics.go

@@ -0,0 +1,51 @@
+package redis
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const namespace = "redis_client"
+
+var (
+	_metricReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "redis client requests duration(ms).",
+		Labels:    []string{"name", "addr", "command"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000, 2500},
+	})
+	_metricReqErr = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "error_total",
+		Help:      "redis client requests error count.",
+		Labels:    []string{"name", "addr", "command", "error"},
+	})
+	_metricConnTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "total",
+		Help:      "redis client connections total count.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+	_metricConnCurrent = metric.NewGaugeVec(&metric.GaugeVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "current",
+		Help:      "redis client connections current.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+	_metricHits = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "",
+		Name:      "hits_total",
+		Help:      "redis client hits total.",
+		Labels:    []string{"name", "addr"},
+	})
+	_metricMisses = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "",
+		Name:      "misses_total",
+		Help:      "redis client misses total.",
+		Labels:    []string{"name", "addr"},
+	})
+)

pkg/cache/redis/pool.go

@@ -41,6 +41,8 @@ type Pool struct {
 	*pool.Slice
 	// config
 	c *Config
+	// statfunc
+	statfunc func(name, addr, cmd string, t time.Time, err error) func()
 }
 
 // Config client settings.
@@ -76,7 +78,7 @@ func NewPool(c *Config, options ...DialOption) (p *Pool) {
 		}
 		return &traceConn{Conn: conn, connTags: []trace.Tag{trace.TagString(trace.TagPeerAddress, c.Addr)}}, nil
 	}
-	p = &Pool{Slice: p1, c: c}
+	p = &Pool{Slice: p1, c: c, statfunc: pstat}
 	return
 }
 
@@ -126,6 +128,24 @@ func initSentinel() {
 	}
 }
 
+// SetStatFunc set stat func.
+func (p *Pool) SetStatFunc(fn func(name, addr, cmd string, t time.Time, err error) func()) {
+	p.statfunc = fn
+}
+
+func pstat(name, addr, cmd string, t time.Time, err error) func() {
+	return func() {
+		_metricReqDur.Observe(int64(time.Since(t)/time.Millisecond), name, addr, cmd)
+		if err != nil {
+			if msg := formatErr(err, name, addr); msg != "" {
+				_metricReqErr.Inc(name, addr, cmd, msg)
+			}
+			return
+		}
+		_metricHits.Inc(name, addr)
+	}
+}
+
 func (pc *pooledConnection) Close() error {
 	c := pc.c
 	if _, ok := c.(errorConnection); ok {
@@ -169,9 +189,11 @@ func (pc *pooledConnection) Err() error {
 }
 
 func (pc *pooledConnection) Do(commandName string, args ...interface{}) (reply interface{}, err error) {
+	now := time.Now()
 	ci := LookupCommandInfo(commandName)
 	pc.state = (pc.state | ci.Set) &^ ci.Clear
 	reply, err = pc.c.Do(commandName, args...)
+	pc.p.statfunc(pc.p.c.Name, pc.p.c.Addr, commandName, now, err)()
 	return
 }
 
@@ -193,7 +215,9 @@ func (pc *pooledConnection) Flush() error {
 func (pc *pooledConnection) Receive() (reply interface{}, err error) {
 	reply, err = pc.c.Receive()
 	if len(pc.cmds) > 0 {
+		cmd := pc.cmds[0]
 		pc.cmds = pc.cmds[1:]
+		pc.p.statfunc(pc.p.c.Name, pc.p.c.Addr, cmd, pc.now, err)()
 	}
 	return
 }

pkg/database/hbase/hbase.go

@@ -44,7 +44,7 @@ func (c *Client) invokeHook(ctx context.Context, call hrpc.Call, customName stri
 func NewClient(config *Config, options ...gohbase.Option) *Client {
 	rawcli := NewRawClient(config, options...)
 	rawcli.AddHook(NewSlowLogHook(250 * time.Millisecond))
-	rawcli.AddHook(MetricsHook(nil))
+	rawcli.AddHook(MetricsHook(config))
 	rawcli.AddHook(TraceHook("database/hbase", strings.Join(config.Zookeeper.Addrs, ",")))
 	return rawcli
 }

pkg/database/hbase/metrics.go

@@ -3,12 +3,33 @@ package hbase
 import (
 	"context"
 	"io"
+	"strings"
 	"time"
 
 	"github.com/tsuna/gohbase"
 	"github.com/tsuna/gohbase/hrpc"
 
-	"github.com/bilibili/kratos/pkg/stat"
+	"github.com/bilibili/kratos/pkg/stat/metric"
+)
+
+const namespace = "hbase_client"
+
+var (
+	_metricReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "hbase client requests duration(ms).",
+		Labels:    []string{"name", "addr", "command"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000, 2500},
+	})
+	_metricReqErr = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "error_total",
+		Help:      "mysql client requests error count.",
+		Labels:    []string{"name", "addr", "command", "error"},
+	})
 )
 
 func codeFromErr(err error) string {
@@ -16,32 +37,28 @@ func codeFromErr(err error) string {
 	switch err {
 	case gohbase.ErrClientClosed:
 		code = "client_closed"
-	case gohbase.ErrConnotFindRegion:
+	case gohbase.ErrCannotFindRegion:
 		code = "connot_find_region"
 	case gohbase.TableNotFound:
 		code = "table_not_found"
-	case gohbase.ErrRegionUnavailable:
+	//case gohbase.ErrRegionUnavailable:
-		code = "region_unavailable"
+	//	code = "region_unavailable"
 	}
 	return code
 }
 
 // MetricsHook if stats is nil use stat.DB as default.
-func MetricsHook(stats stat.Stat) HookFunc {
+func MetricsHook(config *Config) HookFunc {
-	if stats == nil {
-		stats = stat.DB
-	}
 	return func(ctx context.Context, call hrpc.Call, customName string) func(err error) {
 		now := time.Now()
 		if customName == "" {
 			customName = call.Name()
 		}
-		method := "hbase:" + customName
 		return func(err error) {
 			durationMs := int64(time.Since(now) / time.Millisecond)
-			stats.Timing(method, durationMs)
+			_metricReqDur.Observe(durationMs, strings.Join(config.Zookeeper.Addrs, ","), "", customName)
 			if err != nil && err != io.EOF {
-				stats.Incr(method, codeFromErr(err))
+				_metricReqErr.Inc(strings.Join(config.Zookeeper.Addrs, ","), "", customName, codeFromErr(err))
 			}
 		}
 	}

pkg/database/sql/metrics.go

@@ -0,0 +1,37 @@
+package sql
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const namespace = "mysql_client"
+
+var (
+	_metricReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "mysql client requests duration(ms).",
+		Labels:    []string{"name", "addr", "command"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000, 2500},
+	})
+	_metricReqErr = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "error_total",
+		Help:      "mysql client requests error count.",
+		Labels:    []string{"name", "addr", "command", "error"},
+	})
+	_metricConnTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "total",
+		Help:      "mysql client connections total count.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+	_metricConnCurrent = metric.NewGaugeVec(&metric.GaugeVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "current",
+		Help:      "mysql client connections current.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+)

pkg/database/sql/mysql.go

@@ -3,15 +3,12 @@ package sql
 import (
 	"github.com/bilibili/kratos/pkg/log"
 	"github.com/bilibili/kratos/pkg/net/netutil/breaker"
-	"github.com/bilibili/kratos/pkg/stat"
 	"github.com/bilibili/kratos/pkg/time"
 
 	// database driver
 	_ "github.com/go-sql-driver/mysql"
 )
 
-var stats = stat.DB
-
 // Config mysql config.
 type Config struct {
 	Addr         string          // for trace

pkg/database/sql/sql.go

@@ -279,12 +279,12 @@ func (db *conn) begin(c context.Context) (tx *Tx, err error) {
 		}()
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:begin", "breaker")
+		_metricReqErr.Inc(db.conf.Addr, db.conf.Addr, "begin", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.TranTimeout.Shrink(c)
 	rtx, err := db.BeginTx(c, nil)
-	stats.Timing("mysql:begin", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.conf.Addr, db.conf.Addr, "begin")
 	if err != nil {
 		err = errors.WithStack(err)
 		cancel()
@@ -303,14 +303,14 @@ func (db *conn) exec(c context.Context, query string, args ...interface{}) (res
 		defer t.Finish(&err)
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:exec", "breaker")
+		_metricReqErr.Inc(db.conf.Addr, db.conf.Addr, "exec", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.ExecTimeout.Shrink(c)
 	res, err = db.ExecContext(c, query, args...)
 	cancel()
 	db.onBreaker(&err)
-	stats.Timing("mysql:exec", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.conf.Addr, db.conf.Addr, "exec")
 	if err != nil {
 		err = errors.Wrapf(err, "exec:%s, args:%+v", query, args)
 	}
@@ -326,14 +326,14 @@ func (db *conn) ping(c context.Context) (err error) {
 		defer t.Finish(&err)
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:ping", "breaker")
+		_metricReqErr.Inc(db.conf.Addr, db.conf.Addr, "ping", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.ExecTimeout.Shrink(c)
 	err = db.PingContext(c)
 	cancel()
 	db.onBreaker(&err)
-	stats.Timing("mysql:ping", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.conf.Addr, db.conf.Addr, "ping")
 	if err != nil {
 		err = errors.WithStack(err)
 	}
@@ -383,13 +383,13 @@ func (db *conn) query(c context.Context, query string, args ...interface{}) (row
 		defer t.Finish(&err)
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:query", "breaker")
+		_metricReqErr.Inc(db.conf.Addr, db.conf.Addr, "query", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.QueryTimeout.Shrink(c)
 	rs, err := db.DB.QueryContext(c, query, args...)
 	db.onBreaker(&err)
-	stats.Timing("mysql:query", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.conf.Addr, db.conf.Addr, "query")
 	if err != nil {
 		err = errors.Wrapf(err, "query:%s, args:%+v", query, args)
 		cancel()
@@ -408,12 +408,12 @@ func (db *conn) queryRow(c context.Context, query string, args ...interface{}) *
 		t.SetTag(trace.String(trace.TagAddress, db.conf.Addr), trace.String(trace.TagComment, query))
 	}
 	if err := db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:queryrow", "breaker")
+		_metricReqErr.Inc(db.conf.Addr, db.conf.Addr, "queryRow", "breaker")
 		return &Row{db: db, t: t, err: err}
 	}
 	_, c, cancel := db.conf.QueryTimeout.Shrink(c)
 	r := db.DB.QueryRowContext(c, query, args...)
-	stats.Timing("mysql:queryrow", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.conf.Addr, db.conf.Addr, "queryrow")
 	return &Row{db: db, Row: r, query: query, args: args, t: t, cancel: cancel}
 }
 
@@ -449,7 +449,7 @@ func (s *Stmt) Exec(c context.Context, args ...interface{}) (res sql.Result, err
 		defer t.Finish(&err)
 	}
 	if err = s.db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:stmt:exec", "breaker")
+		_metricReqErr.Inc(s.db.conf.Addr, s.db.conf.Addr, "stmt:exec", "breaker")
 		return
 	}
 	stmt, ok := s.stmt.Load().(*sql.Stmt)
@@ -461,7 +461,7 @@ func (s *Stmt) Exec(c context.Context, args ...interface{}) (res sql.Result, err
 	res, err = stmt.ExecContext(c, args...)
 	cancel()
 	s.db.onBreaker(&err)
-	stats.Timing("mysql:stmt:exec", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), s.db.conf.Addr, s.db.conf.Addr, "stmt:exec")
 	if err != nil {
 		err = errors.Wrapf(err, "exec:%s, args:%+v", s.query, args)
 	}
@@ -487,7 +487,7 @@ func (s *Stmt) Query(c context.Context, args ...interface{}) (rows *Rows, err er
 		defer t.Finish(&err)
 	}
 	if err = s.db.breaker.Allow(); err != nil {
-		stats.Incr("mysql:stmt:query", "breaker")
+		_metricReqErr.Inc(s.db.conf.Addr, s.db.conf.Addr, "stmt:query", "breaker")
 		return
 	}
 	stmt, ok := s.stmt.Load().(*sql.Stmt)
@@ -498,7 +498,7 @@ func (s *Stmt) Query(c context.Context, args ...interface{}) (rows *Rows, err er
 	_, c, cancel := s.db.conf.QueryTimeout.Shrink(c)
 	rs, err := stmt.QueryContext(c, args...)
 	s.db.onBreaker(&err)
-	stats.Timing("mysql:stmt:query", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), s.db.conf.Addr, s.db.conf.Addr, "stmt:query")
 	if err != nil {
 		err = errors.Wrapf(err, "query:%s, args:%+v", s.query, args)
 		cancel()
@@ -531,7 +531,7 @@ func (s *Stmt) QueryRow(c context.Context, args ...interface{}) (row *Row) {
 		row.t = t
 	}
 	if row.err = s.db.breaker.Allow(); row.err != nil {
-		stats.Incr("mysql:stmt:queryrow", "breaker")
+		_metricReqErr.Inc(s.db.conf.Addr, s.db.conf.Addr, "stmt:queryrow", "breaker")
 		return
 	}
 	stmt, ok := s.stmt.Load().(*sql.Stmt)
@@ -541,7 +541,7 @@ func (s *Stmt) QueryRow(c context.Context, args ...interface{}) (row *Row) {
 	_, c, cancel := s.db.conf.QueryTimeout.Shrink(c)
 	row.Row = stmt.QueryRowContext(c, args...)
 	row.cancel = cancel
-	stats.Timing("mysql:stmt:queryrow", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), s.db.conf.Addr, s.db.conf.Addr, "stmt:queryrow")
 	return
 }
 
@@ -582,7 +582,7 @@ func (tx *Tx) Exec(query string, args ...interface{}) (res sql.Result, err error
 		tx.t.SetTag(trace.String(trace.TagAnnotation, fmt.Sprintf("exec %s", query)))
 	}
 	res, err = tx.tx.ExecContext(tx.c, query, args...)
-	stats.Timing("mysql:tx:exec", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), tx.db.conf.Addr, tx.db.conf.Addr, "tx:exec")
 	if err != nil {
 		err = errors.Wrapf(err, "exec:%s, args:%+v", query, args)
 	}
@@ -597,7 +597,7 @@ func (tx *Tx) Query(query string, args ...interface{}) (rows *Rows, err error) {
 	now := time.Now()
 	defer slowLog(fmt.Sprintf("Query query(%s) args(%+v)", query, args), now)
 	defer func() {
-		stats.Timing("mysql:tx:query", int64(time.Since(now)/time.Millisecond))
+		_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), tx.db.conf.Addr, tx.db.conf.Addr, "tx:query")
 	}()
 	rs, err := tx.tx.QueryContext(tx.c, query, args...)
 	if err == nil {
@@ -618,7 +618,7 @@ func (tx *Tx) QueryRow(query string, args ...interface{}) *Row {
 	now := time.Now()
 	defer slowLog(fmt.Sprintf("QueryRow query(%s) args(%+v)", query, args), now)
 	defer func() {
-		stats.Timing("mysql:tx:queryrow", int64(time.Since(now)/time.Millisecond))
+		_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), tx.db.conf.Addr, tx.db.conf.Addr, "tx:queryrow")
 	}()
 	r := tx.tx.QueryRowContext(tx.c, query, args...)
 	return &Row{Row: r, db: tx.db, query: query, args: args}

pkg/database/tidb/metrics.go

@@ -0,0 +1,37 @@
+package tidb
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const namespace = "tidb_client"
+
+var (
+	_metricReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "tidb client requests duration(ms).",
+		Labels:    []string{"name", "addr", "command"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000, 2500},
+	})
+	_metricReqErr = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "requests",
+		Name:      "error_total",
+		Help:      "tidb client requests error count.",
+		Labels:    []string{"name", "addr", "command", "error"},
+	})
+	_metricConnTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "total",
+		Help:      "tidb client connections total count.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+	_metricConnCurrent = metric.NewGaugeVec(&metric.GaugeVecOpts{
+		Namespace: namespace,
+		Subsystem: "connections",
+		Name:      "current",
+		Help:      "tidb client connections current.",
+		Labels:    []string{"name", "addr", "state"},
+	})
+)

pkg/database/tidb/sql.go

@@ -291,12 +291,12 @@ func (db *conn) begin(c context.Context) (tx *Tx, err error) {
 		}()
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:begin", "breaker")
+		_metricReqErr.Inc(db.addr, db.addr, "begin", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.TranTimeout.Shrink(c)
 	rtx, err := db.BeginTx(c, nil)
-	stats.Timing("tidb:begin", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.addr, db.addr, "begin")
 	if err != nil {
 		err = errors.WithStack(err)
 		cancel()
@@ -315,14 +315,14 @@ func (db *conn) exec(c context.Context, query string, args ...interface{}) (res
 		defer t.Finish(&err)
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:exec", "breaker")
+		_metricReqErr.Inc(db.addr, db.addr, "exec", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.ExecTimeout.Shrink(c)
 	res, err = db.ExecContext(c, query, args...)
 	cancel()
 	db.onBreaker(&err)
-	stats.Timing("tidb:exec", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.addr, db.addr, "exec")
 	if err != nil {
 		err = errors.Wrapf(err, "addr: %s exec:%s, args:%+v", db.addr, query, args)
 	}
@@ -338,14 +338,14 @@ func (db *conn) ping(c context.Context) (err error) {
 		defer t.Finish(&err)
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:ping", "breaker")
+		_metricReqErr.Inc(db.addr, db.addr, "ping", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.ExecTimeout.Shrink(c)
 	err = db.PingContext(c)
 	cancel()
 	db.onBreaker(&err)
-	stats.Timing("tidb:ping", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.addr, db.addr, "ping")
 	if err != nil {
 		err = errors.WithStack(err)
 	}
@@ -384,13 +384,13 @@ func (db *conn) query(c context.Context, query string, args ...interface{}) (row
 		defer t.Finish(&err)
 	}
 	if err = db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:query", "breaker")
+		_metricReqErr.Inc(db.addr, db.addr, "query", "breaker")
 		return
 	}
 	_, c, cancel := db.conf.QueryTimeout.Shrink(c)
 	rs, err := db.DB.QueryContext(c, query, args...)
 	db.onBreaker(&err)
-	stats.Timing("tidb:query", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.addr, db.addr, "query")
 	if err != nil {
 		err = errors.Wrapf(err, "addr: %s, query:%s, args:%+v", db.addr, query, args)
 		cancel()
@@ -409,12 +409,12 @@ func (db *conn) queryRow(c context.Context, query string, args ...interface{}) *
 		t.SetTag(trace.String(trace.TagAddress, db.addr), trace.String(trace.TagComment, query))
 	}
 	if err := db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:queryrow", "breaker")
+		_metricReqErr.Inc(db.addr, db.addr, "queryrow", "breaker")
 		return &Row{db: db, t: t, err: err}
 	}
 	_, c, cancel := db.conf.QueryTimeout.Shrink(c)
 	r := db.DB.QueryRowContext(c, query, args...)
-	stats.Timing("tidb:queryrow", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), db.addr, db.addr, "queryrow")
 	return &Row{db: db, Row: r, query: query, args: args, t: t, cancel: cancel}
 }
 
@@ -454,7 +454,7 @@ func (s *Stmt) Exec(c context.Context, args ...interface{}) (res sql.Result, err
 		defer t.Finish(&err)
 	}
 	if err = s.db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:stmt:exec", "breaker")
+		_metricReqErr.Inc(s.db.addr, s.db.addr, "stmt:exec", "breaker")
 		return
 	}
 	stmt := s.prepare()
@@ -466,7 +466,7 @@ func (s *Stmt) Exec(c context.Context, args ...interface{}) (res sql.Result, err
 	res, err = stmt.ExecContext(c, args...)
 	cancel()
 	s.db.onBreaker(&err)
-	stats.Timing("tidb:stmt:exec", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), s.db.addr, s.db.addr, "stmt:exec")
 	if err != nil {
 		err = errors.Wrapf(err, "addr: %s exec:%s, args:%+v", s.db.addr, s.query, args)
 	}
@@ -488,7 +488,7 @@ func (s *Stmt) Query(c context.Context, args ...interface{}) (rows *Rows, err er
 		defer t.Finish(&err)
 	}
 	if err = s.db.breaker.Allow(); err != nil {
-		stats.Incr("tidb:stmt:query", "breaker")
+		_metricReqErr.Inc(s.db.addr, s.db.addr, "stmt:query", "breaker")
 		return
 	}
 	stmt := s.prepare()
@@ -499,7 +499,7 @@ func (s *Stmt) Query(c context.Context, args ...interface{}) (rows *Rows, err er
 	_, c, cancel := s.db.conf.QueryTimeout.Shrink(c)
 	rs, err := stmt.QueryContext(c, args...)
 	s.db.onBreaker(&err)
-	stats.Timing("tidb:stmt:query", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), s.db.addr, s.db.addr, "stmt:query")
 	if err != nil {
 		err = errors.Wrapf(err, "addr: %s, query:%s, args:%+v", s.db.addr, s.query, args)
 		cancel()
@@ -528,7 +528,7 @@ func (s *Stmt) QueryRow(c context.Context, args ...interface{}) (row *Row) {
 		row.t = t
 	}
 	if row.err = s.db.breaker.Allow(); row.err != nil {
-		stats.Incr("tidb:stmt:queryrow", "breaker")
+		_metricReqErr.Inc(s.db.addr, s.db.addr, "stmt:queryrow", "breaker")
 		return
 	}
 	stmt := s.prepare()
@@ -538,7 +538,7 @@ func (s *Stmt) QueryRow(c context.Context, args ...interface{}) (row *Row) {
 	_, c, cancel := s.db.conf.QueryTimeout.Shrink(c)
 	row.Row = stmt.QueryRowContext(c, args...)
 	row.cancel = cancel
-	stats.Timing("tidb:stmt:queryrow", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), s.db.addr, s.db.addr, "stmt:queryrow")
 	return
 }
 
@@ -626,7 +626,7 @@ func (tx *Tx) Exec(query string, args ...interface{}) (res sql.Result, err error
 		tx.t.SetTag(trace.String(trace.TagAnnotation, fmt.Sprintf("exec %s", query)))
 	}
 	res, err = tx.tx.ExecContext(tx.c, query, args...)
-	stats.Timing("tidb:tx:exec", int64(time.Since(now)/time.Millisecond))
+	_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), tx.db.addr, tx.db.addr, "tx:exec")
 	if err != nil {
 		err = errors.Wrapf(err, "addr: %s exec:%s, args:%+v", tx.db.addr, query, args)
 	}
@@ -641,7 +641,7 @@ func (tx *Tx) Query(query string, args ...interface{}) (rows *Rows, err error) {
 	now := time.Now()
 	defer slowLog(fmt.Sprintf("Query addr: %s query(%s) args(%+v)", tx.db.addr, query, args), now)
 	defer func() {
-		stats.Timing("tidb:tx:query", int64(time.Since(now)/time.Millisecond))
+		_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), tx.db.addr, tx.db.addr, "tx:query")
 	}()
 	rs, err := tx.tx.QueryContext(tx.c, query, args...)
 	if err == nil {
@@ -662,7 +662,7 @@ func (tx *Tx) QueryRow(query string, args ...interface{}) *Row {
 	now := time.Now()
 	defer slowLog(fmt.Sprintf("QueryRow addr: %s query(%s) args(%+v)", tx.db.addr, query, args), now)
 	defer func() {
-		stats.Timing("tidb:tx:queryrow", int64(time.Since(now)/time.Millisecond))
+		_metricReqDur.Observe(int64(time.Since(now)/time.Millisecond), tx.db.addr, tx.db.addr, "tx:queryrow")
 	}()
 	r := tx.tx.QueryRowContext(tx.c, query, args...)
 	return &Row{Row: r, db: tx.db, query: query, args: args}

pkg/database/tidb/tidb.go

@@ -3,15 +3,12 @@ package tidb
 import (
 	"github.com/bilibili/kratos/pkg/log"
 	"github.com/bilibili/kratos/pkg/net/netutil/breaker"
-	"github.com/bilibili/kratos/pkg/stat"
 	"github.com/bilibili/kratos/pkg/time"
 
 	// database driver
 	_ "github.com/go-sql-driver/mysql"
 )
 
-var stats = stat.DB
-
 // Config mysql config.
 type Config struct {
 	DSN          string          // dsn

pkg/log/log.go

@@ -9,7 +9,7 @@ import (
 	"strconv"
 
 	"github.com/bilibili/kratos/pkg/conf/env"
-	"github.com/bilibili/kratos/pkg/stat/prom"
+	"github.com/bilibili/kratos/pkg/stat/metric"
 )
 
 // Config log config.
@@ -44,8 +44,10 @@ type Config struct {
 	Filter []string
 }
 
-// errProm prometheus error counter.
+// metricErrCount prometheus error counter.
-var errProm = prom.BusinessErrCount
+var (
+	metricErrCount = metric.NewBusinessMetricCount("log_error_total", "source")
+)
 
 // Render render log output
 type Render interface {
@@ -238,6 +240,6 @@ func Close() (err error) {
 
 func errIncr(lv Level, source string) {
 	if lv == _errorLevel {
-		errProm.Incr(source)
+		metricErrCount.Inc(source)
 	}
 }

pkg/net/http/blademaster/client.go

@@ -20,7 +20,6 @@ import (
 	"github.com/bilibili/kratos/pkg/conf/env"
 	"github.com/bilibili/kratos/pkg/net/metadata"
 	"github.com/bilibili/kratos/pkg/net/netutil/breaker"
-	"github.com/bilibili/kratos/pkg/stat"
 	xtime "github.com/bilibili/kratos/pkg/time"
 
 	"github.com/gogo/protobuf/proto"
@@ -33,7 +32,6 @@ const (
 
 var (
 	_noKickUserAgent = "blademaster"
-	clientStats      = stat.HTTPClient
 )
 
 func init() {
@@ -215,16 +213,16 @@ func (client *Client) Raw(c context.Context, req *xhttp.Request, v ...string) (b
 	brk := client.breaker.Get(uri)
 	if err = brk.Allow(); err != nil {
 		code = "breaker"
-		clientStats.Incr(uri, code)
+		_metricClientReqCodeTotal.Inc(uri, code)
 		return
 	}
 	defer client.onBreaker(brk, &err)
 	// stat
 	now := time.Now()
 	defer func() {
-		clientStats.Timing(uri, int64(time.Since(now)/time.Millisecond))
+		_metricClientReqDur.Observe(int64(time.Since(now)/time.Millisecond), uri)
 		if code != "" {
-			clientStats.Incr(uri, code)
+			_metricClientReqCodeTotal.Inc(uri, code)
 		}
 	}()
 	// get config

pkg/net/http/blademaster/logger.go

@@ -34,8 +34,8 @@ func Logger() HandlerFunc {
 			caller = noUser
 		}
 
-		stats.Incr(caller, path[1:], strconv.FormatInt(int64(cerr.Code()), 10))
+		_metricServerReqCodeTotal.Inc(c.RoutePath[1:], caller, strconv.FormatInt(int64(cerr.Code()), 10))
-		stats.Timing(caller, int64(dt/time.Millisecond), path[1:])
+		_metricServerReqDur.Observe(int64(dt/time.Millisecond), c.RoutePath[1:], caller)
 
 		lf := log.Infov
 		errmsg := ""

pkg/net/http/blademaster/metrics.go

@@ -0,0 +1,48 @@
+package blademaster
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const (
+	clientNamespace = "http_client"
+	serverNamespace = "http_server"
+)
+
+var (
+	_metricServerReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: serverNamespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "http server requests duration(ms).",
+		Labels:    []string{"path", "caller"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000},
+	})
+	_metricServerReqCodeTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: serverNamespace,
+		Subsystem: "requests",
+		Name:      "code_total",
+		Help:      "http server requests error count.",
+		Labels:    []string{"path", "caller", "code"},
+	})
+	_metricServerBBR = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: serverNamespace,
+		Subsystem: "",
+		Name:      "bbr_total",
+		Help:      "http server bbr total.",
+		Labels:    []string{"url"},
+	})
+	_metricClientReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: clientNamespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "http client requests duration(ms).",
+		Labels:    []string{"path"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000},
+	})
+	_metricClientReqCodeTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: clientNamespace,
+		Subsystem: "requests",
+		Name:      "code_total",
+		Help:      "http client requests code count.",
+		Labels:    []string{"path", "code"},
+	})
+)

pkg/net/http/blademaster/ratelimit.go

@@ -8,15 +8,6 @@ import (
 	"github.com/bilibili/kratos/pkg/log"
 	limit "github.com/bilibili/kratos/pkg/ratelimit"
 	"github.com/bilibili/kratos/pkg/ratelimit/bbr"
-	"github.com/bilibili/kratos/pkg/stat/prom"
-)
-
-const (
-	_statName = "go_http_bbr"
-)
-
-var (
-	bbrStats = prom.New().WithState("go_http_bbr", []string{"url"})
 )
 
 // RateLimiter bbr middleware.
@@ -48,7 +39,7 @@ func (b *RateLimiter) Limit() HandlerFunc {
 		limiter := b.group.Get(uri)
 		done, err := limiter.Allow(c)
 		if err != nil {
-			bbrStats.Incr(_statName, uri)
+			_metricServerBBR.Inc(uri)
 			c.JSON(nil, err)
 			c.Abort()
 			return

pkg/net/http/blademaster/server.go

@@ -18,7 +18,6 @@ import (
 	"github.com/bilibili/kratos/pkg/net/criticality"
 	"github.com/bilibili/kratos/pkg/net/ip"
 	"github.com/bilibili/kratos/pkg/net/metadata"
-	"github.com/bilibili/kratos/pkg/stat"
 	xtime "github.com/bilibili/kratos/pkg/time"
 
 	"github.com/pkg/errors"
@@ -29,13 +28,11 @@ const (
 )
 
 var (
-	_     IRouter = &Engine{}
+	_ IRouter = &Engine{}
-	stats         = stat.HTTPServer
 
 	_httpDSN       string
 	default405Body = []byte("405 method not allowed")
 	default404Body = []byte("404 page not found")
-
 )
 
 func init() {
@@ -155,7 +152,6 @@ type Engine struct {
 	allNoMethod []HandlerFunc
 	noRoute     []HandlerFunc
 	noMethod    []HandlerFunc
-
 }
 
 type injection struct {

pkg/net/rpc/warden/client.go

@@ -123,7 +123,7 @@ func (c *Client) handle() grpc.UnaryClientInterceptor {
 		c.mutex.RUnlock()
 		brk := c.breaker.Get(method)
 		if err = brk.Allow(); err != nil {
-			statsClient.Incr(method, "breaker")
+			_metricClientReqCodeTotal.Inc(method, "breaker")
 			return
 		}
 		defer onBreaker(brk, &err)

pkg/net/rpc/warden/logging.go

@@ -12,12 +12,6 @@ import (
 	"github.com/bilibili/kratos/pkg/ecode"
 	"github.com/bilibili/kratos/pkg/log"
 	"github.com/bilibili/kratos/pkg/net/metadata"
-	"github.com/bilibili/kratos/pkg/stat"
-)
-
-var (
-	statsClient = stat.RPCClient
-	statsServer = stat.RPCServer
 )
 
 // Warden Log Flag
@@ -94,8 +88,8 @@ func clientLogging(dialOptions ...grpc.DialOption) grpc.UnaryClientInterceptor {
 		code := ecode.Cause(err).Code()
 		duration := time.Since(startTime)
 		// monitor
-		statsClient.Timing(method, int64(duration/time.Millisecond))
+		_metricClientReqDur.Observe(int64(duration/time.Millisecond), method)
-		statsClient.Incr(method, strconv.Itoa(code))
+		_metricClientReqCodeTotal.Inc(method, strconv.Itoa(code))
 
 		if logFlag&LogFlagDisable != 0 {
 			return err
@@ -148,8 +142,8 @@ func serverLogging(logFlag int8) grpc.UnaryServerInterceptor {
 		code := ecode.Cause(err).Code()
 		duration := time.Since(startTime)
 		// monitor
-		statsServer.Timing(caller, int64(duration/time.Millisecond), info.FullMethod)
+		_metricServerReqDur.Observe(int64(duration/time.Millisecond), info.FullMethod, caller)
-		statsServer.Incr(caller, info.FullMethod, strconv.Itoa(code))
+		_metricServerReqCodeTotal.Inc(info.FullMethod, caller, strconv.Itoa(code))
 
 		if logFlag&LogFlagDisable != 0 {
 			return resp, err

pkg/net/rpc/warden/metrics.go

@@ -0,0 +1,41 @@
+package warden
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const (
+	clientNamespace = "grpc_client"
+	serverNamespace = "grpc_server"
+)
+
+var (
+	_metricServerReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: serverNamespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "grpc server requests duration(ms).",
+		Labels:    []string{"method", "caller"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000},
+	})
+	_metricServerReqCodeTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: serverNamespace,
+		Subsystem: "requests",
+		Name:      "code_total",
+		Help:      "grpc server requests code count.",
+		Labels:    []string{"method", "caller", "code"},
+	})
+	_metricClientReqDur = metric.NewHistogramVec(&metric.HistogramVecOpts{
+		Namespace: clientNamespace,
+		Subsystem: "requests",
+		Name:      "duration_ms",
+		Help:      "grpc client requests duration(ms).",
+		Labels:    []string{"method"},
+		Buckets:   []float64{5, 10, 25, 50, 100, 250, 500, 1000},
+	})
+	_metricClientReqCodeTotal = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: clientNamespace,
+		Subsystem: "requests",
+		Name:      "code_total",
+		Help:      "grpc client requests code count.",
+		Labels:    []string{"method", "code"},
+	})
+)

pkg/net/rpc/warden/ratelimiter/ratelimiter.go

@@ -8,17 +8,18 @@ import (
 	"github.com/bilibili/kratos/pkg/log"
 	limit "github.com/bilibili/kratos/pkg/ratelimit"
 	"github.com/bilibili/kratos/pkg/ratelimit/bbr"
-	"github.com/bilibili/kratos/pkg/stat/prom"
+	"github.com/bilibili/kratos/pkg/stat/metric"
-
 	"google.golang.org/grpc"
 )
 
-const (
-	_statName = "go_grpc_bbr"
-)
-
 var (
-	stats = prom.New().WithState("go_grpc_bbr", []string{"url"})
+	_metricServerBBR = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: "grpc_server",
+		Subsystem: "",
+		Name:      "bbr_total",
+		Help:      "grpc server bbr total.",
+		Labels:    []string{"url"},
+	})
 )
 
 // RateLimiter bbr middleware.
@@ -50,7 +51,7 @@ func (b *RateLimiter) Limit() grpc.UnaryServerInterceptor {
 		limiter := b.group.Get(uri)
 		done, err := limiter.Allow(ctx)
 		if err != nil {
-			stats.Incr(_statName, uri)
+			_metricServerBBR.Inc(uri)
 			return
 		}
 		defer func() {

pkg/stat/metric/counter.go

@@ -3,6 +3,8 @@ package metric
 import (
 	"fmt"
 	"sync/atomic"
+
+	"github.com/prometheus/client_golang/prometheus"
 )
 
 var _ Metric = &counter{}
@@ -34,3 +36,49 @@ func (c *counter) Add(val int64) {
 func (c *counter) Value() int64 {
 	return atomic.LoadInt64(&c.val)
 }
+
+// CounterVecOpts is an alias of VectorOpts.
+type CounterVecOpts VectorOpts
+
+// CounterVec counter vec.
+type CounterVec interface {
+	// Inc increments the counter by 1. Use Add to increment it by arbitrary
+	// non-negative values.
+	Inc(labels ...string)
+	// Add adds the given value to the counter. It panics if the value is <
+	// 0.
+	Add(v float64, labels ...string)
+}
+
+// counterVec counter vec.
+type promCounterVec struct {
+	counter *prometheus.CounterVec
+}
+
+// NewCounterVec .
+func NewCounterVec(cfg *CounterVecOpts) CounterVec {
+	if cfg == nil {
+		return nil
+	}
+	vec := prometheus.NewCounterVec(
+		prometheus.CounterOpts{
+			Namespace: cfg.Namespace,
+			Subsystem: cfg.Subsystem,
+			Name:      cfg.Name,
+			Help:      cfg.Help,
+		}, cfg.Labels)
+	prometheus.MustRegister(vec)
+	return &promCounterVec{
+		counter: vec,
+	}
+}
+
+// Inc Inc increments the counter by 1. Use Add to increment it by arbitrary.
+func (counter *promCounterVec) Inc(labels ...string) {
+	counter.counter.WithLabelValues(labels...).Inc()
+}
+
+// Add Inc increments the counter by 1. Use Add to increment it by arbitrary.
+func (counter *promCounterVec) Add(v float64, labels ...string) {
+	counter.counter.WithLabelValues(labels...).Add(v)
+}

pkg/stat/metric/counter_test.go

@@ -16,3 +16,32 @@ func TestCounter(t *testing.T) {
 	val := counter.Value()
 	assert.Equal(t, val, int64(count))
 }
+
+func TestCounterVec(t *testing.T) {
+	counterVec := NewCounterVec(&CounterVecOpts{
+		Namespace: "test",
+		Subsystem: "test",
+		Name:      "test",
+		Help:      "this is test metrics.",
+		Labels:    []string{"name", "addr"},
+	})
+	counterVec.Inc("name1", "127.0.0.1")
+	assert.Panics(t, func() {
+		NewCounterVec(&CounterVecOpts{
+			Namespace: "test",
+			Subsystem: "test",
+			Name:      "test",
+			Help:      "this is test metrics.",
+			Labels:    []string{"name", "addr"},
+		})
+	}, "Expected to panic.")
+	assert.NotPanics(t, func() {
+		NewCounterVec(&CounterVecOpts{
+			Namespace: "test",
+			Subsystem: "test",
+			Name:      "test2",
+			Help:      "this is test metrics.",
+			Labels:    []string{"name", "addr"},
+		})
+	}, "Expected normal. no panic.")
+}

pkg/stat/metric/gauge.go

@@ -1,6 +1,10 @@
 package metric
 
-import "sync/atomic"
+import (
+	"sync/atomic"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
 
 var _ Metric = &gauge{}
 
@@ -35,3 +39,56 @@ func (g *gauge) Set(val int64) {
 func (g *gauge) Value() int64 {
 	return atomic.LoadInt64(&g.val)
 }
+
+// GaugeVecOpts is an alias of VectorOpts.
+type GaugeVecOpts VectorOpts
+
+// GaugeVec gauge vec.
+type GaugeVec interface {
+	// Set sets the Gauge to an arbitrary value.
+	Set(v float64, labels ...string)
+	// Inc increments the Gauge by 1. Use Add to increment it by arbitrary
+	// values.
+	Inc(labels ...string)
+	// Add adds the given value to the Gauge. (The value can be negative,
+	// resulting in a decrease of the Gauge.)
+	Add(v float64, labels ...string)
+}
+
+// gaugeVec gauge vec.
+type promGaugeVec struct {
+	gauge *prometheus.GaugeVec
+}
+
+// NewGaugeVec .
+func NewGaugeVec(cfg *GaugeVecOpts) GaugeVec {
+	if cfg == nil {
+		return nil
+	}
+	vec := prometheus.NewGaugeVec(
+		prometheus.GaugeOpts{
+			Namespace: cfg.Namespace,
+			Subsystem: cfg.Subsystem,
+			Name:      cfg.Name,
+			Help:      cfg.Help,
+		}, cfg.Labels)
+	prometheus.MustRegister(vec)
+	return &promGaugeVec{
+		gauge: vec,
+	}
+}
+
+// Inc Inc increments the counter by 1. Use Add to increment it by arbitrary.
+func (gauge *promGaugeVec) Inc(labels ...string) {
+	gauge.gauge.WithLabelValues(labels...).Inc()
+}
+
+// Add Inc increments the counter by 1. Use Add to increment it by arbitrary.
+func (gauge *promGaugeVec) Add(v float64, labels ...string) {
+	gauge.gauge.WithLabelValues(labels...).Add(v)
+}
+
+// Set set the given value to the collection.
+func (gauge *promGaugeVec) Set(v float64, labels ...string) {
+	gauge.gauge.WithLabelValues(labels...).Set(v)
+}

pkg/stat/metric/histogram.go

@@ -0,0 +1,50 @@
+package metric
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+// HistogramVecOpts is histogram vector opts.
+type HistogramVecOpts struct {
+	Namespace string
+	Subsystem string
+	Name      string
+	Help      string
+	Labels    []string
+	Buckets   []float64
+}
+
+// HistogramVec gauge vec.
+type HistogramVec interface {
+	// Observe adds a single observation to the histogram.
+	Observe(v int64, labels ...string)
+}
+
+// Histogram prom histogram collection.
+type promHistogramVec struct {
+	histogram *prometheus.HistogramVec
+}
+
+// NewHistogramVec new a histogram vec.
+func NewHistogramVec(cfg *HistogramVecOpts) HistogramVec {
+	if cfg == nil {
+		return nil
+	}
+	vec := prometheus.NewHistogramVec(
+		prometheus.HistogramOpts{
+			Namespace: cfg.Namespace,
+			Subsystem: cfg.Subsystem,
+			Name:      cfg.Name,
+			Help:      cfg.Help,
+			Buckets:   cfg.Buckets,
+		}, cfg.Labels)
+	prometheus.MustRegister(vec)
+	return &promHistogramVec{
+		histogram: vec,
+	}
+}
+
+// Timing adds a single observation to the histogram.
+func (histogram *promHistogramVec) Observe(v int64, labels ...string) {
+	histogram.histogram.WithLabelValues(labels...).Observe(float64(v))
+}

pkg/stat/metric/metric.go

@@ -1,5 +1,7 @@
 package metric
 
+import "errors"
+
 // Opts contains the common arguments for creating Metric.
 type Opts struct {
 }
@@ -28,3 +30,69 @@ type Aggregation interface {
 	// Sum computes sum value within the window.
 	Sum() float64
 }
+
+// VectorOpts contains the common arguments for creating vec Metric..
+type VectorOpts struct {
+	Namespace string
+	Subsystem string
+	Name      string
+	Help      string
+	Labels    []string
+}
+
+const (
+	_businessNamespace          = "business"
+	_businessSubsystemCount     = "count"
+	_businessSubSystemGauge     = "gauge"
+	_businessSubSystemHistogram = "histogram"
+)
+
+var (
+	_defaultBuckets = []float64{5, 10, 25, 50, 100, 250, 500}
+)
+
+// NewBusinessMetricCount business Metric count vec.
+// name or labels should not be empty.
+func NewBusinessMetricCount(name string, labels ...string) CounterVec {
+	if name == "" || len(labels) == 0 {
+		panic(errors.New("stat:metric business count metric name should not be empty or labels length should be greater than zero"))
+	}
+	return NewCounterVec(&CounterVecOpts{
+		Namespace: _businessNamespace,
+		Subsystem: _businessSubsystemCount,
+		Name:      name,
+		Labels:    labels,
+	})
+}
+
+// NewBusinessMetricGauge business Metric gauge vec.
+// name or labels should not be empty.
+func NewBusinessMetricGauge(name string, labels ...string) GaugeVec {
+	if name == "" || len(labels) == 0 {
+		panic(errors.New("stat:metric business gauge metric name should not be empty or labels length should be greater than zero"))
+	}
+	return NewGaugeVec(&GaugeVecOpts{
+		Namespace: _businessNamespace,
+		Subsystem: _businessSubSystemGauge,
+		Name:      name,
+		Labels:    labels,
+	})
+}
+
+// NewBusinessMetricHistogram business Metric histogram vec.
+// name or labels should not be empty.
+func NewBusinessMetricHistogram(name string, buckets []float64, labels ...string) HistogramVec {
+	if name == "" || len(labels) == 0 {
+		panic(errors.New("stat:metric business histogram metric name should not be empty or labels length should be greater than zero"))
+	}
+	if len(buckets) == 0 {
+		buckets = _defaultBuckets
+	}
+	return NewHistogramVec(&HistogramVecOpts{
+		Namespace: _businessNamespace,
+		Subsystem: _businessSubSystemHistogram,
+		Name:      name,
+		Labels:    labels,
+		Buckets:   buckets,
+	})
+}

pkg/stat/prom/README.md

@@ -1,5 +0,0 @@
-# prom
-
-## 项目简介
-
-封装prometheus类。TODO：补充grafana通用面板json文件！！！

pkg/stat/prom/prometheus.go

@@ -1,163 +0,0 @@
-package prom
-
-import (
-	"flag"
-	"os"
-	"sync"
-
-	"github.com/prometheus/client_golang/prometheus"
-)
-
-var (
-	// LibClient for mc redis and db client.
-	LibClient = New().WithTimer("go_lib_client", []string{"method"}).WithCounter("go_lib_client_code", []string{"method", "code"})
-	// RPCClient rpc client
-	RPCClient = New().WithTimer("go_rpc_client", []string{"method"}).WithCounter("go_rpc_client_code", []string{"method", "code"})
-	// HTTPClient http client
-	HTTPClient = New().WithTimer("go_http_client", []string{"method"}).WithCounter("go_http_client_code", []string{"method", "code"})
-	// HTTPServer for http server
-	HTTPServer = New().WithTimer("go_http_server", []string{"user", "method"}).WithCounter("go_http_server_code", []string{"user", "method", "code"})
-	// RPCServer for rpc server
-	RPCServer = New().WithTimer("go_rpc_server", []string{"user", "method"}).WithCounter("go_rpc_server_code", []string{"user", "method", "code"})
-	// BusinessErrCount for business err count
-	BusinessErrCount = New().WithCounter("go_business_err_count", []string{"name"}).WithState("go_business_err_state", []string{"name"})
-	// BusinessInfoCount for business info count
-	BusinessInfoCount = New().WithCounter("go_business_info_count", []string{"name"}).WithState("go_business_info_state", []string{"name"})
-	// CacheHit for cache hit
-	CacheHit = New().WithCounter("go_cache_hit", []string{"name"})
-	// CacheMiss for cache miss
-	CacheMiss = New().WithCounter("go_cache_miss", []string{"name"})
-
-	// UseSummary use summary for Objectives that defines the quantile rank estimates.
-	_useSummary bool
-)
-
-// Prom struct info
-type Prom struct {
-	histogram *prometheus.HistogramVec
-	summary   *prometheus.SummaryVec
-	counter   *prometheus.GaugeVec
-	state     *prometheus.GaugeVec
-	once      sync.Once
-}
-
-// New creates a Prom instance.
-func New() *Prom {
-	return &Prom{}
-}
-
-func init() {
-	addFlag(flag.CommandLine)
-}
-
-func addFlag(fs *flag.FlagSet) {
-	v := os.Getenv("PROM_SUMMARY")
-	if v == "true" {
-		_useSummary = true
-	}
-	fs.BoolVar(&_useSummary, "prom_summary", _useSummary, "use summary in prometheus")
-}
-
-// WithTimer with summary timer
-func (p *Prom) WithTimer(name string, labels []string) *Prom {
-	if p == nil {
-		return p
-	}
-	if p.histogram == nil {
-		p.histogram = prometheus.NewHistogramVec(
-			prometheus.HistogramOpts{
-				Name: name,
-				Help: name,
-			}, labels)
-	}
-	if p.summary == nil {
-		p.summary = prometheus.NewSummaryVec(
-			prometheus.SummaryOpts{
-				Name:       name,
-				Help:       name,
-				Objectives: map[float64]float64{0.99: 0.001, 0.9: 0.01},
-			}, labels)
-	}
-	return p
-}
-
-// WithCounter sets counter.
-func (p *Prom) WithCounter(name string, labels []string) *Prom {
-	if p == nil || p.counter != nil {
-		return p
-	}
-	p.counter = prometheus.NewGaugeVec(
-		prometheus.GaugeOpts{
-			Name: name,
-			Help: name,
-		}, labels)
-	prometheus.MustRegister(p.counter)
-	return p
-}
-
-// WithState sets state.
-func (p *Prom) WithState(name string, labels []string) *Prom {
-	if p == nil || p.state != nil {
-		return p
-	}
-	p.state = prometheus.NewGaugeVec(
-		prometheus.GaugeOpts{
-			Name: name,
-			Help: name,
-		}, labels)
-	prometheus.MustRegister(p.state)
-	return p
-}
-
-// Timing log timing information (in milliseconds) without sampling
-func (p *Prom) Timing(name string, time int64, extra ...string) {
-	p.once.Do(func() {
-		if _useSummary && p.summary != nil {
-			prometheus.MustRegister(p.summary)
-			return
-		}
-		if !_useSummary && p.histogram != nil {
-			prometheus.MustRegister(p.histogram)
-		}
-	})
-	label := append([]string{name}, extra...)
-	if _useSummary && p.summary != nil {
-		p.summary.WithLabelValues(label...).Observe(float64(time))
-		return
-	}
-	if !_useSummary && p.histogram != nil {
-		p.histogram.WithLabelValues(label...).Observe(float64(time))
-	}
-}
-
-// Incr increments one stat counter without sampling
-func (p *Prom) Incr(name string, extra ...string) {
-	label := append([]string{name}, extra...)
-	if p.counter != nil {
-		p.counter.WithLabelValues(label...).Inc()
-	}
-}
-
-// Decr decrements one stat counter without sampling
-func (p *Prom) Decr(name string, extra ...string) {
-	if p.counter != nil {
-		label := append([]string{name}, extra...)
-		p.counter.WithLabelValues(label...).Dec()
-	}
-}
-
-// State set state
-func (p *Prom) State(name string, v int64, extra ...string) {
-	if p.state != nil {
-		label := append([]string{name}, extra...)
-		p.state.WithLabelValues(label...).Set(float64(v))
-	}
-}
-
-// Add add count    v must > 0
-func (p *Prom) Add(name string, v int64, extra ...string) {
-	label := append([]string{name}, extra...)
-	if p.counter != nil {
-		p.counter.WithLabelValues(label...).Add(float64(v))
-	}
-}

pkg/stat/stat.go

@@ -1,25 +0,0 @@
-package stat
-
-import (
-	"github.com/bilibili/kratos/pkg/stat/prom"
-)
-
-// Stat interface.
-type Stat interface {
-	Timing(name string, time int64, extra ...string)
-	Incr(name string, extra ...string) // name,ext...,code
-	State(name string, val int64, extra ...string)
-}
-
-// default stat struct.
-var (
-	// http
-	HTTPClient Stat = prom.HTTPClient
-	HTTPServer Stat = prom.HTTPServer
-	// storage
-	Cache Stat = prom.LibClient
-	DB    Stat = prom.LibClient
-	// rpc
-	RPCClient Stat = prom.RPCClient
-	RPCServer Stat = prom.RPCServer
-)

pkg/sync/pipeline/fanout/fanout.go

@@ -9,13 +9,11 @@ import (
 	"github.com/bilibili/kratos/pkg/log"
 	"github.com/bilibili/kratos/pkg/net/metadata"
 	"github.com/bilibili/kratos/pkg/net/trace"
-	"github.com/bilibili/kratos/pkg/stat/prom"
 )
 
 var (
 	// ErrFull chan full.
 	ErrFull   = errors.New("fanout: chan full")
-	stats     = prom.BusinessInfoCount
 	traceTags = []trace.Tag{
 		trace.Tag{Key: trace.TagSpanKind, Value: "background"},
 		trace.Tag{Key: trace.TagComponent, Value: "sync/pipeline/fanout"},
@@ -97,7 +95,7 @@ func (c *Fanout) proc() {
 		select {
 		case t := <-c.ch:
 			wrapFunc(t.f)(t.ctx)
-			stats.State(c.name+"_channel", int64(len(c.ch)))
+			_metricChanSize.Set(float64(len(c.ch)), c.name)
 		case <-c.ctx.Done():
 			return
 		}
@@ -136,7 +134,7 @@ func (c *Fanout) Do(ctx context.Context, f func(ctx context.Context)) (err error
 	default:
 		err = ErrFull
 	}
-	stats.State(c.name+"_channel", int64(len(c.ch)))
+	_metricChanSize.Set(float64(len(c.ch)), c.name)
 	return
 }
 

pkg/sync/pipeline/fanout/metrics.go

@@ -0,0 +1,15 @@
+package fanout
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const namespace = "sync"
+
+var (
+	_metricChanSize = metric.NewGaugeVec(&metric.GaugeVecOpts{
+		Namespace: namespace,
+		Subsystem: "pipeline_fanout",
+		Name:      "current",
+		Help:      "sync pipeline fanout current channel size.",
+		Labels:    []string{"name"},
+	})
+)

tool/kratos-gen-bts/header_template.go

@@ -17,14 +17,18 @@ import (
 	"context"
 	{{if .EnableBatch }}"sync"{{end}}
 NEWLINE
-	"github.com/bilibili/kratos/pkg/stat/prom"
+	"github.com/bilibili/kratos/pkg/stat/metric"
 	{{if .EnableBatch }}"github.com/bilibili/kratos/pkg/sync/errgroup"{{end}}
 	{{.ImportPackage}}
 NEWLINE
 	{{if .EnableSingleFlight}}	"golang.org/x/sync/singleflight" {{end}}
 )
 
-var _ _bts
+var (
+	_ _bts
+	_metricHits = metric.NewBusinessMetricCount("hits_total", "name")
+	_metricMisses = metric.NewBusinessMetricCount("misses_total", "name")
+)
 {{if .EnableSingleFlight}}
 var cacheSingleFlights = [SFCOUNT]*singleflight.Group{SFINIT} 
 {{end }}

tool/kratos-gen-bts/multi_template.go

@@ -26,7 +26,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} []KEY{{.ExtraArgsType}}) (res
 			miss = append(miss, key)
 		}
 	}
-	prom.CacheHit.Add("NAME", int64(len({{.IDName}}) - len(miss)))
+	_metricHits.Add(float64(len({{.IDName}}) - len(miss)), "NAME")
 	{{if .EnableNullCache}}
 	for k, v := range res {
 		{{if .SimpleValue}} if v == {{.NullCache}} { {{else}} if {{.CheckNullCode}} { {{end}}
@@ -47,14 +47,14 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} []KEY{{.ExtraArgsType}}) (res
 		var rr interface{}
 		sf := d.cacheSFNAME({{.IDName}} {{.ExtraArgs}})
 		rr, err, _ = cacheSingleFlights[SFNUM].Do(sf, func() (r interface{}, e error) {
-			prom.CacheMiss.Add("NAME", int64(len(miss)))
+			_metricMisses.Add(float64(len(miss)), "NAME")
 			r, e = RAWFUNC(c, miss {{.ExtraRawArgs}})
 			return
 		})
 		missData = rr.(map[KEY]VALUE)
 	{{else}}
 		{{if .EnableBatch}}
-			prom.CacheMiss.Add("NAME", int64(missLen))
+			_metricMisses.Add(int64(missLen), "NAME")
 			var mutex sync.Mutex
 			{{if .BatchErrBreak}}
 				group := errgroup.WithCancel(c)
@@ -87,7 +87,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} []KEY{{.ExtraArgsType}}) (res
 			}
 			err = group.Wait()
 		{{else}}
-			prom.CacheMiss.Add("NAME", int64(len(miss)))
+			_metricMisses.Add(int64(len(miss)), "NAME")
 			missData, err = RAWFUNC(c, miss {{.ExtraRawArgs}})
 		{{end}}
 	{{end}}

tool/kratos-gen-bts/none_template.go

@@ -21,20 +21,20 @@ func (d *Dao) NAME(c context.Context) (res VALUE, err error) {
 	{{else}}
 	if res != {{.ZeroValue}} {
 	{{end}}
-	prom.CacheHit.Incr("NAME")
+		_metricHits.Incr("NAME")
 		return
 	}
 	{{if .EnableSingleFlight}}
 		var rr interface{}
 		sf := d.cacheSFNAME()
 		rr, err, _ = cacheSingleFlights[SFNUM].Do(sf, func() (r interface{}, e error) {
-			prom.CacheMiss.Incr("NAME")
+			_metricMisses.Incr("NAME")
 			r, e = RAWFUNC(c)
 			return
 		})
 		res = rr.(VALUE)
 	{{else}}
-		prom.CacheMiss.Incr("NAME")
+		_metricMisses.Incr("NAME")
 		res, err = RAWFUNC(c)
 	{{end}}
 	if err != nil {

tool/kratos-gen-bts/testdata/dao.bts.go

@@ -6,8 +6,8 @@
   type _bts interface {
 		// bts: -batch=2 -max_group=20 -batch_err=break -nullcache=&Demo{ID:-1} -check_null_code=$.ID==-1
 		Demos(c context.Context, keys []int64) (map[int64]*Demo, error)
-	    // bts: -batch=2 -max_group=20 -batch_err=continue -nullcache=&Demo{ID:-1} -check_null_code=$.ID==-1
+		// bts: -batch=2 -max_group=20 -batch_err=continue -nullcache=&Demo{ID:-1} -check_null_code=$.ID==-1
-	    Demos1(c context.Context, keys []int64) (map[int64]*Demo, error)
+		Demos1(c context.Context, keys []int64) (map[int64]*Demo, error)
 		// bts: -sync=true -nullcache=&Demo{ID:-1} -check_null_code=$.ID==-1
 		Demo(c context.Context, key int64) (*Demo, error)
 		// bts: -paging=true
@@ -23,11 +23,15 @@ import (
 	"context"
 	"sync"
 
-	"github.com/bilibili/kratos/pkg/stat/prom"
+	"github.com/bilibili/kratos/pkg/stat/metric"
 	"github.com/bilibili/kratos/pkg/sync/errgroup"
 )
 
-var _ _bts
+var (
+	_             _bts
+	_metricHits   = metric.NewBusinessMetricCount("hits_total", "NAME")
+	_metricMisses = metric.NewBusinessMetricCount("misses_total", "NAME")
+)
 
 // Demos get data from cache if miss will call source method, then add to cache.
 func (d *Dao) Demos(c context.Context, keys []int64) (res map[int64]*Demo, err error) {
@@ -46,7 +50,7 @@ func (d *Dao) Demos(c context.Context, keys []int64) (res map[int64]*Demo, err e
 			miss = append(miss, key)
 		}
 	}
-	prom.CacheHit.Add("Demos", int64(len(keys)-len(miss)))
+	_metricHits.Add(float64(len(keys)-len(miss)), "Demos")
 	for k, v := range res {
 		if v.ID == -1 {
 			delete(res, k)
@@ -57,7 +61,7 @@ func (d *Dao) Demos(c context.Context, keys []int64) (res map[int64]*Demo, err e
 		return
 	}
 	missData := make(map[int64]*Demo, missLen)
-	prom.CacheMiss.Add("Demos", int64(missLen))
+	_metricMisses.Add(int64(missLen), "Demos")
 	var mutex sync.Mutex
 	group := errgroup.WithCancel(c)
 	if missLen > 20 {
@@ -125,7 +129,7 @@ func (d *Dao) Demos1(c context.Context, keys []int64) (res map[int64]*Demo, err
 			miss = append(miss, key)
 		}
 	}
-	prom.CacheHit.Add("Demos1", int64(len(keys)-len(miss)))
+	_metricHits.Add(float64(len(keys)-len(miss)), "Demos1")
 	for k, v := range res {
 		if v.ID == -1 {
 			delete(res, k)
@@ -136,7 +140,7 @@ func (d *Dao) Demos1(c context.Context, keys []int64) (res map[int64]*Demo, err
 		return
 	}
 	missData := make(map[int64]*Demo, missLen)
-	prom.CacheMiss.Add("Demos1", int64(missLen))
+	_metricMisses.Add(int64(missLen), "Demos1")
 	var mutex sync.Mutex
 	group := errgroup.WithContext(c)
 	if missLen > 20 {
@@ -261,10 +265,10 @@ func (d *Dao) None(c context.Context) (res *Demo, err error) {
 		}
 	}()
 	if res != nil {
-		prom.CacheHit.Incr("None")
+		_metricHits.Incr("None")
 		return
 	}
-	prom.CacheMiss.Incr("None")
+	_metricMisses.Incr("None")
 	res, err = d.RawNone(c)
 	if err != nil {
 		return

tool/kratos-gen-mc/header_template.go

@@ -19,12 +19,15 @@ import (
 	{{if .UseStrConv}}"strconv"{{end}}
 	{{if .EnableBatch }}"sync"{{end}}
 NEWLINE
-	"github.com/bilibili/kratos/pkg/stat/prom"
+	"github.com/bilibili/kratos/pkg/stat/metric"
 	{{if .UseMemcached }}"github.com/bilibili/kratos/pkg/cache/memcache"{{end}}
 	{{if .EnableBatch }}"github.com/bilibili/kratos/pkg/sync/errgroup"{{end}}
 	"github.com/bilibili/kratos/pkg/log"
 	{{.ImportPackage}}
 )
 
-var _ _mc
+var (
+	_ _mc
+	_metricErrCount = metric.NewBusinessMetricCount("mc_error_total", "NAME")
+)
 `

tool/kratos-gen-mc/multi_template.go

@@ -44,7 +44,7 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 					}
 					replies, err := d.mc.GetMulti(c, keys)
 					if err != nil {
-						prom.BusinessErrCount.Incr("mc:NAME")
+						_metricErrCount.Inc("NAME")
 						log.Errorv(ctx, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("keys", keys))
 						return
 					}
@@ -67,14 +67,14 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 							{{end}}
 						{{end}}
 						if err != nil {
-							prom.BusinessErrCount.Incr("mc:NAME")
+							_metricErrCount.Inc("NAME")
 							log.Errorv(ctx, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 							return
 						}
 						{{if .GetSimpleValue}}
 							r, err := {{.ConvertBytes2Value}}
 							if err != nil {
-								prom.BusinessErrCount.Incr("mc:NAME")
+								_metricErrCount.Inc("NAME")
 								log.Errorv(ctx, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 								return res, err
 							}
@@ -114,7 +114,7 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 		}
 		replies, err := d.mc.GetMulti(c, keys)
 		if err != nil {
-			prom.BusinessErrCount.Incr("mc:NAME")
+			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("keys", keys))
 			return
 		}
@@ -132,14 +132,14 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 				{{end}}
 			{{end}}
 			if err != nil {
-				prom.BusinessErrCount.Incr("mc:NAME")
+				_metricErrCount.Inc("NAME")
 				log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 				return
 			}
 			{{if .GetSimpleValue}}
 				r, err := {{.ConvertBytes2Value}}
 				if err != nil {
-					prom.BusinessErrCount.Incr("mc:NAME")
+					_metricErrCount.Inc("NAME")
 					log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 					return res, err
 				}
@@ -174,7 +174,7 @@ func (d *{{.StructName}}) NAME(c context.Context, values map[KEY]VALUE {{.ExtraA
 			item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
 		{{end}}
 		if err = d.mc.Set(c, item); err != nil {
-			prom.BusinessErrCount.Incr("mc:NAME")
+			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -198,7 +198,7 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 				err = nil
 				continue
 			}
-			prom.BusinessErrCount.Incr("mc:NAME")
+			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}

tool/kratos-gen-mc/none_template.go

@@ -37,14 +37,14 @@ func (d *{{.StructName}}) NAME(c context.Context) (res VALUE, err error) {
 			return
 		}
 		{{end}}
-		prom.BusinessErrCount.Incr("mc:NAME")
+		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
 	{{if .GetSimpleValue}}
 		r, err := {{.ConvertBytes2Value}}
 		if err != nil {
-			prom.BusinessErrCount.Incr("mc:NAME")
+			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -75,7 +75,7 @@ func (d *{{.StructName}}) NAME(c context.Context, val VALUE) (err error) {
 		item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
 	{{end}}
 	if err = d.mc.Set(c, item); err != nil {
-		prom.BusinessErrCount.Incr("mc:NAME")
+		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -94,7 +94,7 @@ func (d *{{.StructName}}) NAME(c context.Context) (err error) {
 			err = nil
 			return
 		}
-		prom.BusinessErrCount.Incr("mc:NAME")
+		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}

tool/kratos-gen-mc/single_template.go

@@ -36,14 +36,14 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY {{.ExtraArgsType}}) (re
 			return
 		}
 		{{end}}
-		prom.BusinessErrCount.Incr("mc:NAME")
+		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
 	{{if .GetSimpleValue}}
 		r, err := {{.ConvertBytes2Value}}
 		if err != nil {
-			prom.BusinessErrCount.Incr("mc:NAME")
+			_metricErrCount.Incr("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -74,7 +74,7 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY, val VALUE {{.ExtraArgs
 		item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
 	{{end}}
 	if err = d.mc.Set(c, item); err != nil {
-		prom.BusinessErrCount.Incr("mc:NAME")
+		_metricErrCount.Incr("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -93,7 +93,7 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY {{.ExtraArgsType}}) (er
 			err = nil
 			return
 		}
-		prom.BusinessErrCount.Incr("mc:NAME")
+		_metricErrCount.Incr("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}

tool/kratos-gen-mc/testdata/mc.cache.go

@@ -48,10 +48,13 @@ import (
 
 	"github.com/bilibili/kratos/pkg/cache/memcache"
 	"github.com/bilibili/kratos/pkg/log"
-	"github.com/bilibili/kratos/pkg/stat/prom"
+	"github.com/bilibili/kratos/pkg/stat/metric"
 )
 
-var _ _mc
+var (
+	_               _mc
+	_metricErrCount = metric.NewBusinessMetricCount("mc_error_total", "NAME")
+)
 
 // CacheDemos get data from mc
 func (d *Dao) CacheDemos(c context.Context, ids []int64) (res map[int64]*Demo, err error) {
@@ -68,7 +71,7 @@ func (d *Dao) CacheDemos(c context.Context, ids []int64) (res map[int64]*Demo, e
 	}
 	replies, err := d.mc.GetMulti(c, keys)
 	if err != nil {
-		prom.BusinessErrCount.Incr("mc:CacheDemos")
+		_metricErrCount.Inc("CacheDemos")
 		log.Errorv(c, log.KV("CacheDemos", fmt.Sprintf("%+v", err)), log.KV("keys", keys))
 		return
 	}
@@ -76,7 +79,7 @@ func (d *Dao) CacheDemos(c context.Context, ids []int64) (res map[int64]*Demo, e
 		v := &Demo{}
 		err = replies.Scan(key, v)
 		if err != nil {
-			prom.BusinessErrCount.Incr("mc:CacheDemos")
+			_metricErrCount.Inc("CacheDemos")
 			log.Errorv(c, log.KV("CacheDemos", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -99,7 +102,7 @@ func (d *Dao) CacheDemo(c context.Context, id int64) (res *Demo, err error) {
 		}
 	}
 	if err != nil {
-		prom.BusinessErrCount.Incr("mc:CacheDemo")
+		_metricErrCount.Inc("CacheDemo")
 		log.Errorv(c, log.KV("CacheDemo", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -117,7 +120,7 @@ func (d *Dao) CacheDemo1(c context.Context, id int64, mid int64) (res *Demo, err
 		}
 	}
 	if err != nil {
-		prom.BusinessErrCount.Incr("mc:CacheDemo1")
+		_metricErrCount.Inc("CacheDemo1")
 		log.Errorv(c, log.KV("CacheDemo1", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -136,7 +139,7 @@ func (d *Dao) CacheNone(c context.Context) (res *Demo, err error) {
 		}
 	}
 	if err != nil {
-		prom.BusinessErrCount.Incr("mc:CacheNone")
+		_metricErrCount.Inc("CacheNone")
 		log.Errorv(c, log.KV("CacheNone", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -152,7 +155,7 @@ func (d *Dao) CacheString(c context.Context, id int64) (res string, err error) {
 			err = nil
 			return
 		}
-		prom.BusinessErrCount.Incr("mc:CacheString")
+		_metricErrCount.Inc("CacheString")
 		log.Errorv(c, log.KV("CacheString", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -168,7 +171,7 @@ func (d *Dao) AddCacheDemos(c context.Context, values map[int64]*Demo) (err erro
 		key := demoKey(id)
 		item := &memcache.Item{Key: key, Object: val, Expiration: d.demoExpire, Flags: memcache.FlagJSON}
 		if err = d.mc.Set(c, item); err != nil {
-			prom.BusinessErrCount.Incr("mc:AddCacheDemos")
+			_metricErrCount.Inc("AddCacheDemos")
 			log.Errorv(c, log.KV("AddCacheDemos", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -185,7 +188,7 @@ func (d *Dao) AddCacheDemos2(c context.Context, values map[int64]*Demo, tp int64
 		key := demo2Key(id, tp)
 		item := &memcache.Item{Key: key, Object: val, Expiration: d.demoExpire, Flags: memcache.FlagJSON}
 		if err = d.mc.Set(c, item); err != nil {
-			prom.BusinessErrCount.Incr("mc:AddCacheDemos2")
+			_metricErrCount.Inc("AddCacheDemos2")
 			log.Errorv(c, log.KV("AddCacheDemos2", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -201,7 +204,7 @@ func (d *Dao) AddCacheDemo(c context.Context, id int64, val *Demo) (err error) {
 	key := demoKey(id)
 	item := &memcache.Item{Key: key, Object: val, Expiration: d.demoExpire, Flags: memcache.FlagJSON | memcache.FlagGzip}
 	if err = d.mc.Set(c, item); err != nil {
-		prom.BusinessErrCount.Incr("mc:AddCacheDemo")
+		_metricErrCount.Incr("AddCacheDemo")
 		log.Errorv(c, log.KV("AddCacheDemo", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -216,7 +219,7 @@ func (d *Dao) AddCacheDemo1(c context.Context, id int64, val *Demo, mid int64) (
 	key := keyMid(id, mid)
 	item := &memcache.Item{Key: key, Object: val, Expiration: d.demoExpire, Flags: memcache.FlagGOB}
 	if err = d.mc.Set(c, item); err != nil {
-		prom.BusinessErrCount.Incr("mc:AddCacheDemo1")
+		_metricErrCount.Incr("AddCacheDemo1")
 		log.Errorv(c, log.KV("AddCacheDemo1", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -231,7 +234,7 @@ func (d *Dao) AddCacheNone(c context.Context, val *Demo) (err error) {
 	key := noneKey()
 	item := &memcache.Item{Key: key, Object: val, Expiration: d.demoExpire, Flags: memcache.FlagJSON}
 	if err = d.mc.Set(c, item); err != nil {
-		prom.BusinessErrCount.Incr("mc:AddCacheNone")
+		_metricErrCount.Inc("AddCacheNone")
 		log.Errorv(c, log.KV("AddCacheNone", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -247,7 +250,7 @@ func (d *Dao) AddCacheString(c context.Context, id int64, val string) (err error
 	bs := []byte(val)
 	item := &memcache.Item{Key: key, Value: bs, Expiration: d.demoExpire, Flags: memcache.FlagRAW}
 	if err = d.mc.Set(c, item); err != nil {
-		prom.BusinessErrCount.Incr("mc:AddCacheString")
+		_metricErrCount.Incr("AddCacheString")
 		log.Errorv(c, log.KV("AddCacheString", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -266,7 +269,7 @@ func (d *Dao) DelCacheDemos(c context.Context, ids []int64) (err error) {
 				err = nil
 				continue
 			}
-			prom.BusinessErrCount.Incr("mc:DelCacheDemos")
+			_metricErrCount.Inc("DelCacheDemos")
 			log.Errorv(c, log.KV("DelCacheDemos", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -282,7 +285,7 @@ func (d *Dao) DelCacheDemo(c context.Context, id int64) (err error) {
 			err = nil
 			return
 		}
-		prom.BusinessErrCount.Incr("mc:DelCacheDemo")
+		_metricErrCount.Incr("DelCacheDemo")
 		log.Errorv(c, log.KV("DelCacheDemo", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -297,7 +300,7 @@ func (d *Dao) DelCacheDemo1(c context.Context, id int64, mid int64) (err error)
 			err = nil
 			return
 		}
-		prom.BusinessErrCount.Incr("mc:DelCacheDemo1")
+		_metricErrCount.Incr("DelCacheDemo1")
 		log.Errorv(c, log.KV("DelCacheDemo1", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -312,7 +315,7 @@ func (d *Dao) DelCacheNone(c context.Context) (err error) {
 			err = nil
 			return
 		}
-		prom.BusinessErrCount.Incr("mc:DelCacheNone")
+		_metricErrCount.Inc("DelCacheNone")
 		log.Errorv(c, log.KV("DelCacheNone", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}

tool/kratos/tool_index.go

@@ -33,7 +33,7 @@ var toolIndexs = []*Tool{
 	&Tool{
 		Name:      "genbts",
 		Alias:     "kratos-gen-bts",
-		BuildTime: time.Date(2019, 5, 5, 0, 0, 0, 0, time.Local),
+		BuildTime: time.Date(2019, 7, 20, 0, 0, 0, 0, time.Local),
 		Install:   "go get -u github.com/bilibili/kratos/tool/kratos-gen-bts",
 		Summary:   "缓存回源逻辑代码生成器",
 		Platform:  []string{"darwin", "linux", "windows"},
@@ -42,7 +42,7 @@ var toolIndexs = []*Tool{
 	&Tool{
 		Name:      "genmc",
 		Alias:     "kratos-gen-mc",
-		BuildTime: time.Date(2019, 5, 5, 0, 0, 0, 0, time.Local),
+		BuildTime: time.Date(2019, 7, 20, 0, 0, 0, 0, time.Local),
 		Install:   "go get -u github.com/bilibili/kratos/tool/kratos-gen-mc",
 		Summary:   "mc缓存代码生成",
 		Platform:  []string{"darwin", "linux", "windows"},