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129 lines
3.0 KiB
129 lines
3.0 KiB
package kratos
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import (
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"context"
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"net/url"
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"os"
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"time"
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"github.com/go-kratos/kratos/v2/log"
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"github.com/go-kratos/kratos/v2/registry"
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"github.com/go-kratos/kratos/v2/transport"
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)
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// Option is an application option.
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type Option func(o *options)
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// options is an application options.
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type options struct {
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id string
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name string
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version string
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metadata map[string]string
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endpoints []*url.URL
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ctx context.Context
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sigs []os.Signal
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logger log.Logger
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registrar registry.Registrar
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registrarTimeout time.Duration
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stopTimeout time.Duration
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servers []transport.Server
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// Before and After funcs
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beforeStart []func(context.Context) error
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beforeStop []func(context.Context) error
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afterStart []func(context.Context) error
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afterStop []func(context.Context) error
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}
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// ID with service id.
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func ID(id string) Option {
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return func(o *options) { o.id = id }
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}
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// Name with service name.
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func Name(name string) Option {
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return func(o *options) { o.name = name }
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}
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// Version with service version.
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func Version(version string) Option {
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return func(o *options) { o.version = version }
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}
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// Metadata with service metadata.
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func Metadata(md map[string]string) Option {
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return func(o *options) { o.metadata = md }
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}
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// Endpoint with service endpoint.
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func Endpoint(endpoints ...*url.URL) Option {
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return func(o *options) { o.endpoints = endpoints }
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}
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// Context with service context.
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func Context(ctx context.Context) Option {
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return func(o *options) { o.ctx = ctx }
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}
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// Logger with service logger.
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func Logger(logger log.Logger) Option {
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return func(o *options) { o.logger = logger }
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}
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// Server with transport servers.
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func Server(srv ...transport.Server) Option {
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return func(o *options) { o.servers = srv }
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}
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// Signal with exit signals.
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func Signal(sigs ...os.Signal) Option {
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return func(o *options) { o.sigs = sigs }
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}
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// Registrar with service registry.
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func Registrar(r registry.Registrar) Option {
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return func(o *options) { o.registrar = r }
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}
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// RegistrarTimeout with registrar timeout.
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func RegistrarTimeout(t time.Duration) Option {
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return func(o *options) { o.registrarTimeout = t }
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}
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// StopTimeout with app stop timeout.
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func StopTimeout(t time.Duration) Option {
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return func(o *options) { o.stopTimeout = t }
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}
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// Before and Afters
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// BeforeStart run funcs before app starts
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func BeforeStart(fn func(context.Context) error) Option {
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return func(o *options) {
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o.beforeStart = append(o.beforeStart, fn)
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}
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}
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// BeforeStop run funcs before app stops
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func BeforeStop(fn func(context.Context) error) Option {
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return func(o *options) {
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o.beforeStop = append(o.beforeStop, fn)
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}
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}
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// AfterStart run funcs after app starts
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func AfterStart(fn func(context.Context) error) Option {
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return func(o *options) {
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o.afterStart = append(o.afterStart, fn)
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}
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}
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// AfterStop run funcs after app stops
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func AfterStop(fn func(context.Context) error) Option {
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return func(o *options) {
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o.afterStop = append(o.afterStop, fn)
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}
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}
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