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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,88 @@ | ||
| # 配置中心-etcd | ||
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| ### 1.功能 | ||
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| * 支持配置的读取、修改、热更新 | ||
| * 支持读写模式设置 | ||
| * 支持集群内热更新 | ||
| * 支持json、yaml、toml、xml等多种配置格式 | ||
| * 支持监听配置文件变动 | ||
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| ### 2.快速开始 | ||
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| 1.安装 | ||
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| ```shell | ||
| go get -u github.com/dobyte/due/config/etcd/v2@latest | ||
| ``` | ||
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| 2.etc配置项 | ||
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| ```toml | ||
| # 配置中心 | ||
| [config] | ||
| # etcd配置中心 | ||
| [config.etcd] | ||
| # 客户端连接地址，默认为["127.0.0.1:2379"] | ||
| addrs = ["127.0.0.1:2379"] | ||
| # 客户端拨号超时时间，支持单位：纳秒（ns）、微秒（us | µs）、毫秒（ms）、秒（s）、分（m）、小时（h）、天（d）。默认为5s | ||
| dialTimeout = "5s" | ||
| # 路径。默认为/config | ||
| path = "/config" | ||
| # 读写模式。可选：read-only | write-only | read-write，默认为read-only | ||
| mode = "read-write" | ||
| ``` | ||
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| 3.开始使用 | ||
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| ```go | ||
| package main | ||
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| import ( | ||
| "context" | ||
| "github.com/dobyte/due/config/etcd/v2" | ||
| "github.com/dobyte/due/v2/config" | ||
| "github.com/dobyte/due/v2/log" | ||
| "time" | ||
| ) | ||
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| func main() { | ||
| // 设置全局配置器 | ||
| config.SetConfigurator(config.NewConfigurator(config.WithSources(etcd.NewSource()))) | ||
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| ctx := context.Background() | ||
| filepath := "config.toml" | ||
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| // 更新配置 | ||
| if err := config.Store(ctx, etcd.Name, filepath, map[string]interface{}{ | ||
| "timezone": "Local", | ||
| }); err != nil { | ||
| log.Errorf("store config failed: %v", err) | ||
| return | ||
| } | ||
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| time.Sleep(5 * time.Millisecond) | ||
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| // 读取配置 | ||
| timezone := config.Get("config.timezone", "UTC").String() | ||
| log.Infof("timezone: %s", timezone) | ||
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| // 更新配置 | ||
| if err := config.Store(ctx, etcd.Name, filepath, map[string]interface{}{ | ||
| "timezone": "UTC", | ||
| }); err != nil { | ||
| log.Errorf("store config failed: %v", err) | ||
| return | ||
| } | ||
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| time.Sleep(5 * time.Millisecond) | ||
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| // 读取配置 | ||
| timezone = config.Get("config.timezone", "UTC").String() | ||
| log.Infof("timezone: %s", timezone) | ||
| } | ||
| ``` | ||
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| ### 4.详细示例 | ||
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| 更多详细示例请点击[due-examples](https://github.com/dobyte/due-examples) |
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