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app/service/ops/log-agent/processor/sample/conf.go

@@ -0,0 +1,79 @@
+package sample
+
+import (
+	"fmt"
+	"errors"
+	"time"
+
+	"go-common/app/service/ops/log-agent/conf/configcenter"
+	"go-common/library/log"
+
+	"github.com/BurntSushi/toml"
+)
+
+const (
+	logSample = "sample.toml"
+)
+
+type Config struct {
+	Local        bool             `toml:"local"`
+	SampleConfig map[string]int64 `toml:"sampleConfig"`
+}
+
+func (c *Config) ConfigValidate() (error) {
+	if c == nil {
+		return fmt.Errorf("Error can't be nil")
+	}
+	if c.SampleConfig == nil {
+		c.SampleConfig = make(map[string]int64)
+	}
+	return nil
+}
+
+func DecodeConfig(md toml.MetaData, primValue toml.Primitive) (c interface{}, err error) {
+	config := new(Config)
+	if err = md.PrimitiveDecode(primValue, config); err != nil {
+		return nil, err
+	}
+
+	// read config from config center
+	if !config.Local {
+		if err = config.readConfig(); err != nil {
+			return nil, err
+		}
+		// watch update and reload config
+		go func() {
+			currentVersion := configcenter.Version
+			for {
+				if currentVersion != configcenter.Version {
+					log.Info("sample config reload")
+					if err := config.readConfig(); err != nil {
+						log.Error("sample config reload error (%v", err)
+					}
+					currentVersion = configcenter.Version
+				}
+				time.Sleep(time.Second)
+			}
+		}()
+	}
+
+	return config, nil
+}
+
+func (c *Config) readConfig() (err error) {
+	var (
+		ok        bool
+		value     string
+		tmpSample map[string]int64
+	)
+
+	// sample config
+	if value, ok = configcenter.Client.Value(logSample); !ok {
+		return errors.New("failed to get sample.toml")
+	}
+	if _, err = toml.Decode(value, &tmpSample); err != nil {
+		return err
+	}
+	c.SampleConfig = tmpSample
+	return nil
+}