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Merge pull request #45 from askuy/feature/cronlock
cron redis lock
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package ecronlock | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/gotomicro/ego-component/eredis" | ||
| "github.com/gotomicro/ego/core/elog" | ||
| "sync" | ||
| "time" | ||
| ) | ||
|
|
||
| type Component struct { | ||
| name string | ||
| config *Config | ||
| logger *elog.Component | ||
| client *eredis.Component | ||
| mutuex sync.RWMutex | ||
| locker *eredis.Lock | ||
| } | ||
|
|
||
| func newComponent(name string, config *Config, logger *elog.Component, client *eredis.Component) *Component { | ||
| reg := &Component{ | ||
| name: name, | ||
| logger: logger, | ||
| client: client, | ||
| } | ||
| return reg | ||
| } | ||
|
|
||
| func (c *Component) Lock(ctx context.Context, key string, ttl time.Duration) error { | ||
| locker := c.client.LockClient() | ||
| lock, err := locker.Obtain(ctx, key, ttl, eredis.WithLockOptionRetryStrategy(eredis.LinearBackoffRetry(ttl))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| c.mutuex.Lock() | ||
| c.locker = lock | ||
| c.mutuex.Unlock() | ||
| return nil | ||
| } | ||
|
|
||
| func (c *Component) Unlock(ctx context.Context, key string) error { | ||
| c.mutuex.Lock() | ||
| locker := c.locker | ||
| c.mutuex.Unlock() | ||
| if locker == nil { | ||
| return nil | ||
| } | ||
|
|
||
| err := c.locker.Release(ctx) | ||
| if err != nil { | ||
| c.logger.Warn("cron unlock warning", elog.FieldErr(err)) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (c *Component) Refresh(ctx context.Context, key string, ttl time.Duration) error { | ||
| c.mutuex.Lock() | ||
| locker := c.locker | ||
| c.mutuex.Unlock() | ||
| if locker == nil { | ||
| return nil | ||
| } | ||
| return locker.Refresh(ctx, ttl) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| package ecronlock | ||
|
|
||
| // Config ... | ||
| type Config struct { | ||
| OnFailHandle string | ||
| } | ||
|
|
||
| // DefaultConfig ... | ||
| func DefaultConfig() *Config { | ||
| return &Config{} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package ecronlock | ||
|
|
||
| import ( | ||
| "github.com/gotomicro/ego-component/eredis" | ||
| "github.com/gotomicro/ego/core/econf" | ||
| "github.com/gotomicro/ego/core/elog" | ||
| ) | ||
|
|
||
| type Option func(c *Container) | ||
|
|
||
| type Container struct { | ||
| config *Config | ||
| name string | ||
| logger *elog.Component | ||
| client *eredis.Component | ||
| } | ||
|
|
||
| func DefaultContainer() *Container { | ||
| return &Container{ | ||
| config: DefaultConfig(), | ||
| logger: elog.EgoLogger.With(elog.FieldComponent(eredis.PackageName)), | ||
| } | ||
| } | ||
|
|
||
| func Load(key string) *Container { | ||
| c := DefaultContainer() | ||
| if err := econf.UnmarshalKey(key, &c.config); err != nil { | ||
| c.logger.Panic("parse Config error", elog.FieldErr(err), elog.FieldKey(key)) | ||
| return c | ||
| } | ||
| c.logger = c.logger.With(elog.FieldComponentName(key)) | ||
| c.name = key | ||
| return c | ||
| } | ||
|
|
||
| func WithClientRedis(kubernetes *eredis.Component) Option { | ||
| return func(c *Container) { | ||
| c.client = kubernetes | ||
| } | ||
| } | ||
|
|
||
| // Build ... | ||
| func (c *Container) Build(options ...Option) *Component { | ||
| for _, option := range options { | ||
| option(c) | ||
| } | ||
| if c.client == nil { | ||
| if c.config.OnFailHandle == "panic" { | ||
| c.logger.Panic("client redis nil", elog.FieldKey("use WithClientRedis method")) | ||
| } else { | ||
| c.logger.Error("client redis nil", elog.FieldKey("use WithClientRedis method")) | ||
| } | ||
| } | ||
| return newComponent(c.name, c.config, c.logger, c.client) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| [redis.test] | ||
| debug = true # ego增加redis debug，打开后可以看到，配置名、地址、耗时、请求数据、响应数据 | ||
| addr = "127.0.0.1:6379" | ||
| enableAccessInterceptor = true | ||
| enableAccessInterceptorReq = true | ||
| enableAccessInterceptorRes = true | ||
| [cron.default] | ||
| withSeconds = false | ||
| concurrentDelay = 1 | ||
| immediatelyRun = false | ||
| distributedTask = true |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "github.com/gotomicro/ego" | ||
| "github.com/gotomicro/ego-component/eredis/ecronlock" | ||
| "github.com/gotomicro/ego/core/elog" | ||
| "github.com/gotomicro/ego/task/ecron" | ||
| "time" | ||
|
|
||
| "github.com/gotomicro/ego-component/eredis" | ||
| ) | ||
|
|
||
| // export EGO_DEBUG=true && go run main.go --config=config.toml | ||
| func main() { | ||
| err := ego.New().Cron(cronJob()).Run() | ||
| if err != nil { | ||
| elog.Panic("startup", elog.FieldErr(err)) | ||
| } | ||
| } | ||
|
|
||
| var eredisClient *eredis.Component | ||
|
|
||
| func cronJob() ecron.Ecron { | ||
| lock := ecronlock.Load("").Build(ecronlock.WithClientRedis(eredis.Load("redis.test").Build())) | ||
| cron := ecron.Load("cron.default").Build(ecron.WithLocker(lock)) | ||
| cron.Schedule(ecron.Every(time.Second*10), ecron.FuncJob(helloWorld)) | ||
| return cron | ||
| } | ||
|
|
||
| func helloWorld() error { | ||
| elog.Info("info job") | ||
| elog.Warn("warn job") | ||
| return nil | ||
| } |
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