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app/service/ops/log-agent/processor/classify/BUILD

@@ -0,0 +1,39 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "classify.go",
+        "config.go",
+    ],
+    importpath = "go-common/app/service/ops/log-agent/processor/classify",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//app/service/ops/log-agent/conf/configcenter:go_default_library",
+        "//app/service/ops/log-agent/event:go_default_library",
+        "//app/service/ops/log-agent/pkg/common:go_default_library",
+        "//app/service/ops/log-agent/processor:go_default_library",
+        "//library/log:go_default_library",
+        "//vendor/github.com/BurntSushi/toml:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/service/ops/log-agent/processor/classify/classify.go

@@ -0,0 +1,80 @@
+package classify
+
+import (
+	"strings"
+	"context"
+	"go-common/app/service/ops/log-agent/event"
+	"go-common/app/service/ops/log-agent/processor"
+	"go-common/app/service/ops/log-agent/pkg/common"
+)
+
+type Classify struct {
+	c *Config
+}
+
+func init() {
+	err := processor.Register("classify", Process)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func Process(ctx context.Context, config interface{}, input <-chan *event.ProcessorEvent) (output chan *event.ProcessorEvent, err error) {
+	classify := new(Classify)
+
+	if c, ok := config.(*Config); !ok {
+		panic("Error config for Classify Processor")
+	} else {
+		if err = c.ConfigValidate(); err != nil {
+			return nil, err
+		}
+		classify.c = c
+	}
+
+	output = make(chan *event.ProcessorEvent)
+	go func() {
+		for {
+			select {
+			case e := <-input:
+				// only do classify for ops-log
+				if e.Destination == "lancer-ops-log" {
+					if common.CriticalLog(e.Level) || e.Priority == "high" {
+						e.LogId = classify.getLogIdByLevel("important")
+					} else {
+						e.LogId = classify.getLogIdByAppId(e.AppId)
+					}
+				}
+				output <- e
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	return output, nil
+}
+
+// getLogLevel get logId level by appId
+func (c *Classify) getLogIdByAppId(appId []byte) (logId string) {
+	// get logId by setting
+	if logLevel, ok := c.c.LogLevelMapConfig[string(appId)]; ok {
+		return c.getLogIdByLevel(logLevel)
+	}
+
+	// appId format error, logId 1
+	if len(strings.Split(string(appId), ".")) < 3 {
+		return c.getLogIdByLevel("low") // low level
+	}
+
+	// set logLevel to 2 by default
+	return c.getLogIdByLevel("normal") // normal level
+}
+
+// getLogIdByLevel return logid by level
+func (c *Classify) getLogIdByLevel(level string) (logId string) {
+	if logId, ok := c.c.LogIdMapConfig[level]; ok {
+		return logId
+	} else {
+		// return 000161 by default
+		return "000161"
+	}
+}

app/service/ops/log-agent/processor/classify/config.go

@@ -0,0 +1,101 @@
+package classify
+
+import (
+	"fmt"
+	"errors"
+	"time"
+
+	"go-common/app/service/ops/log-agent/conf/configcenter"
+	"go-common/library/log"
+
+	"github.com/BurntSushi/toml"
+)
+
+const (
+	logLevelMap = "logLevelMap.toml"
+	logIdMap    = "logIdMap.toml"
+)
+
+type Config struct {
+	Local             bool              `toml:"local"`
+	LogLevelMapConfig map[string]string `toml:"logLevelMapConfig"`
+	LogIdMapConfig    map[string]string `toml:"logIdMapConfig"`
+	PriorityBlackList map[string]string `toml:"priorityBlackList"`
+}
+
+func (c *Config) ConfigValidate() (error) {
+	if c == nil {
+		return fmt.Errorf("Error can't be nil")
+	}
+	if c.LogLevelMapConfig == nil {
+		c.LogLevelMapConfig = make(map[string]string)
+	}
+
+	if c.LogIdMapConfig == nil {
+		return fmt.Errorf("LogIdMapConfig of classify can't be nil")
+	}
+
+	if c.PriorityBlackList == nil {
+		c.PriorityBlackList = make(map[string]string)
+	}
+	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("classify config reload")
+					if err := config.readConfig(); err != nil {
+						log.Error("classify 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
+		tmplogLevelMap map[string]string
+		tmplogIdMap    map[string]string
+	)
+
+	// logLevel config
+	if value, ok = configcenter.Client.Value(logLevelMap); !ok {
+		return errors.New("failed to get logLevelMap.toml")
+	}
+	if _, err = toml.Decode(value, &tmplogLevelMap); err != nil {
+		return err
+	}
+	c.LogLevelMapConfig = tmplogLevelMap
+
+	// logIdMap config
+	if value, ok = configcenter.Client.Value(logIdMap); !ok {
+		return errors.New("failed to get logIdMap.toml")
+	}
+	if _, err = toml.Decode(value, &tmplogIdMap); err != nil {
+		return err
+	}
+	c.LogIdMapConfig = tmplogIdMap
+
+	return nil
+}