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