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

@@ -0,0 +1,36 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "config.go",
+        "fileLog.go",
+    ],
+    importpath = "go-common/app/service/ops/log-agent/processor/fileLog",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//app/service/ops/log-agent/event:go_default_library",
+        "//app/service/ops/log-agent/processor: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/fileLog/config.go

@@ -0,0 +1,24 @@
+package fileLog
+
+import (
+	"fmt"
+	"github.com/BurntSushi/toml"
+)
+
+type Config struct {
+}
+
+func (c *Config) ConfigValidate() (error) {
+	if c == nil {
+		return fmt.Errorf("Error can't be nil")
+	}
+	return nil
+}
+
+func DecodeConfig(md toml.MetaData, primValue toml.Primitive) (c interface{}, err error) {
+	c = new(Config)
+	if err = md.PrimitiveDecode(primValue, c); err != nil {
+		return nil, err
+	}
+	return c, nil
+}

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

@@ -0,0 +1,94 @@
+package fileLog
+
+import (
+	"time"
+	"context"
+	"encoding/json"
+	"os"
+
+	"go-common/app/service/ops/log-agent/event"
+	"go-common/app/service/ops/log-agent/processor"
+)
+
+const (
+	_logIdLen           = 6
+	_logLancerHeaderLen = 19
+	_appIdKey           = `"app_id":`
+	_levelKey           = `"level":`
+	_logTime            = `"time":`
+)
+
+var (
+	local, _    = time.LoadLocation("Local")
+	hostname, _ = os.Hostname()
+)
+
+type FileLog struct {
+	c *Config
+}
+
+func init() {
+	err := processor.Register("fileLog", Process)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func Process(ctx context.Context, config interface{}, input <-chan *event.ProcessorEvent) (output chan *event.ProcessorEvent, err error) {
+	fileLog := new(FileLog)
+
+	if c, ok := config.(*Config); !ok {
+		panic("Error config for jsonLog Processor")
+	} else {
+		if err = c.ConfigValidate(); err != nil {
+			return nil, err
+		}
+		fileLog.c = c
+	}
+
+	output = make(chan *event.ProcessorEvent)
+	go func() {
+		for {
+			select {
+			case e := <-input:
+				// only do jsonLog for ops-log
+				if e.Destination != "lancer-ops-log" {
+					output <- e
+					continue
+				}
+
+				// format message
+				message := make(map[string]interface{})
+				if len(e.ParsedFields) != 0 {
+					for k, v := range e.ParsedFields {
+						message[k] = v
+					}
+				}
+
+				message["log"] = e.String()
+
+				e.Fields["hostname"] = hostname
+
+				if len(e.Tags) != 0 {
+					e.Fields["tag"] = e.Tags
+				}
+
+				if len(e.Fields) != 0 {
+					message["fields"] = e.Fields
+				}
+
+				message["app_id"] = string(e.AppId)
+				message["time"] = e.Time.UTC().Format(time.RFC3339Nano)
+
+				if body, err := json.Marshal(message); err == nil {
+					e.Write(body)
+					output <- e
+				}
+
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+	return output, nil
+}