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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package dynamic_conf | ||
|
|
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| import ( | ||
| "os" | ||
|
|
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| "github.com/fsnotify/fsnotify" | ||
| "github.com/zeromicro/go-zero/core/configcenter/subscriber" | ||
| "github.com/zeromicro/go-zero/core/logx" | ||
| ) | ||
|
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| var _ subscriber.Subscriber = (*FsNotify)(nil) | ||
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| type FsNotify struct { | ||
| Path string `json:"path"` | ||
| *fsnotify.Watcher | ||
| } | ||
|
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| func NewFsNotify(path string) (*FsNotify, error) { | ||
| watcher, err := fsnotify.NewWatcher() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| return &FsNotify{ | ||
| Path: path, | ||
| Watcher: watcher, | ||
| }, nil | ||
| } | ||
|
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| func (lf *FsNotify) AddListener(listener func()) error { | ||
| go func() { | ||
| for { | ||
| select { | ||
| case event, ok := <-lf.Watcher.Events: | ||
| if !ok { | ||
| return | ||
| } | ||
| if event.Has(fsnotify.Write) { | ||
| listener() | ||
| } | ||
| case err, ok := <-lf.Watcher.Errors: | ||
| if !ok { | ||
| return | ||
| } | ||
| logx.Errorf("error: %v", err) | ||
| } | ||
| } | ||
| }() | ||
|
|
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| if err := lf.Watcher.Add(lf.Path); err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
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| func (lf *FsNotify) Value() (string, error) { | ||
| file, err := os.ReadFile(lf.Path) | ||
| return string(file), err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| package dynamic_conf | ||
|
|
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| import ( | ||
| "testing" | ||
|
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| configurator "github.com/zeromicro/go-zero/core/configcenter" | ||
| "github.com/zeromicro/go-zero/core/logx" | ||
| ) | ||
|
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| type TestSt struct { | ||
| Name string `json:","` | ||
| } | ||
|
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| func TestLocalFsNotify(t *testing.T) { | ||
| logx.MustSetup(logx.LogConf{ | ||
| Level: "info", | ||
| Encoding: "plain", | ||
| }) | ||
| ss, err := NewFsNotify("testdata/etc.yaml") | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| cc := configurator.MustNewConfigCenter[TestSt](configurator.Config{ | ||
| Type: "yaml", // 配置值类型：json,yaml,toml | ||
| }, ss) | ||
|
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| v, err := cc.GetConfig() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| println(v.Name) | ||
|
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| // 如果想监听配置变化，可以添加 listener | ||
| cc.AddListener(func() { | ||
| v, err := cc.GetConfig() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| println(v.Name) | ||
| }) | ||
|
|
||
| select {} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| Name: jzero |
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