Feat: add timestamp and bodyKey in source

loggie.yml

@@ -14,7 +14,7 @@ loggie:
       sink: ~
       queue: ~
       pipeline: ~
-      normalize: ~
+      sys: ~
 
   discovery:
     enabled: false
@@ -31,15 +31,17 @@ loggie:
   defaults:
     sink:
       type: dev
-    interceptors:
-      - type: schema
-        name: global
-        order: 700
-        addMeta:
-          timestamp:
-            key: "@timestamp"
     sources:
       - type: file
+        timestampKey: "@timestamp"
+        bodyKey: "message"
+        fieldsUnderRoot: true
+        addonMeta: true
+        addonMetaSchema:
+          underRoot: true
+          fields:
+            filename: "${_meta.filename}"
+            line: "${_meta.line}"
         watcher:
           maxOpenFds: 6000
   http:

pkg/core/source/config.go

@@ -38,6 +38,11 @@ type Config struct {
 	FieldsFromEnv   map[string]string      `yaml:"fieldsFromEnv,omitempty"`
 	FieldsFromPath  map[string]string      `yaml:"fieldsFromPath,omitempty"`
 	Codec           *codec.Config          `yaml:"codec,omitempty"`
+
+	TimestampKey      string `yaml:"timestampKey,omitempty"`
+	TimestampLocation string `yaml:"timestampLocation,omitempty"`
+	TimestampLayout   string `yaml:"timestampLayout,omitempty"`
+	BodyKey           string `yaml:"bodyKey,omitempty"`
 }
 
 func (c *Config) DeepCopy() *Config {
@@ -82,6 +87,11 @@ func (c *Config) DeepCopy() *Config {
 		FieldsFromEnv:   newFieldsFromEnv,
 		FieldsFromPath:  newFieldsFromPath,
 		Codec:           c.Codec.DeepCopy(),
+
+		TimestampKey:      c.TimestampKey,
+		TimestampLocation: c.TimestampLocation,
+		TimestampLayout:   c.TimestampLayout,
+		BodyKey:           c.BodyKey,
 	}
 
 	return out
@@ -155,6 +165,19 @@ func (c *Config) Merge(from *Config) {
 	} else {
 		c.Codec.Merge(from.Codec)
 	}
+
+	if c.TimestampKey == "" {
+		c.TimestampKey = from.TimestampKey
+	}
+	if c.TimestampLocation == "" {
+		c.TimestampLocation = from.TimestampLocation
+	}
+	if c.TimestampLayout == "" {
+		c.TimestampLayout = from.TimestampLayout
+	}
+	if c.BodyKey == "" {
+		c.BodyKey = from.BodyKey
+	}
 }
 
 func MergeSourceList(base []*Config, from []*Config) []*Config {

pkg/pipeline/pipeline.go

@@ -18,6 +18,7 @@ package pipeline
 
 import (
 	"fmt"
+	timeutil "github.com/loggie-io/loggie/pkg/util/time"
 	"io/ioutil"
 	"os"
 	"strconv"
@@ -46,10 +47,9 @@ import (
 )
 
 const (
-	FieldsUnderRoot = event.PrivateKeyPrefix + "FieldsUnderRoot"
-	FieldsUnderKey  = event.PrivateKeyPrefix + "FieldsUnderKey"
-
 	fieldsFromPathMaxBytes = 1024
+
+	defaultTsLayout = "2006-01-02T15:04:05.000Z"
 )
 
 var (
@@ -1054,11 +1054,10 @@ func (p *Pipeline) initFieldsFromPath(fieldsFromPath map[string]string) {
 
 func (p *Pipeline) fillEventMetaAndHeader(e api.Event, config source.Config) {
 	// add meta fields
-	e.Meta().Set(event.SystemProductTimeKey, time.Now())
+	now := time.Now()
+	e.Meta().Set(event.SystemProductTimeKey, now)
 	e.Meta().Set(event.SystemPipelineKey, p.name)
 	e.Meta().Set(event.SystemSourceKey, config.Name)
-	e.Meta().Set(FieldsUnderRoot, config.FieldsUnderRoot)
-	e.Meta().Set(FieldsUnderKey, config.FieldsUnderKey)
 
 	header := e.Header()
 	if header == nil {
@@ -1073,6 +1072,28 @@ func (p *Pipeline) fillEventMetaAndHeader(e api.Event, config source.Config) {
 
 	// add header source fields from file
 	AddSourceFields(header, p.pathMap, config.FieldsUnderRoot, config.FieldsUnderKey)
+
+	// remap timestamp
+	if config.TimestampKey != "" {
+		layout := config.TimestampLayout
+		if layout == "" {
+			layout = defaultTsLayout
+		}
+
+		// conf.Location could be "" or "UTC" or "Local"
+		// default "" indicate "UTC"
+		ts, err := timeutil.Format(now, config.TimestampLocation, layout)
+		if err != nil {
+			log.Warn("time format system product timestamp err: %+v", err)
+			return
+		}
+		header[config.TimestampKey] = ts
+	}
+
+	if config.BodyKey != "" {
+		header[config.BodyKey] = util.ByteToStringUnsafe(e.Body())
+		e.Fill(e.Meta(), header, []byte{})
+	}
 }
 
 func AddSourceFields(header map[string]interface{}, fields map[string]interface{}, underRoot bool, fieldsKey string) {