comments reflect deprecated NewJsonParser

CHANGELOG.md

@@ -20,6 +20,8 @@
 - [#4259](https://github.com/influxdata/telegraf/pull/4259): Add container status tag to docker input.
 - [#3523](https://github.com/influxdata/telegraf/pull/3523): Add valuecounter aggregator plugin.
 - [#4307](https://github.com/influxdata/telegraf/pull/4307): Add new measurement with results of pgrep lookup to procstat input.
+- [#4311](https://github.com/influxdata/telegraf/pull/4311): Add support for comma in logparser timestamp format.
+- [#4292](https://github.com/influxdata/telegraf/pull/4292): Add path tag to tail input plugin.
 
 ## v1.7.1 [unreleased]
 
@@ -27,6 +29,7 @@
 
 - [#4277](https://github.com/influxdata/telegraf/pull/4277): Treat sigterm as a clean shutdown signal.
 - [#4284](https://github.com/influxdata/telegraf/pull/4284): Fix selection of tags under nested objects in the JSON parser.
+- [#4135](https://github.com/influxdata/telegraf/issues/4135): Fix postfix input handling multi-level queues.
 
 ## v1.7 [2018-06-12]
 

Makefile

@@ -54,11 +54,11 @@ fmtcheck:
 	@echo '[INFO] done.'
 
 test-windows:
-	go test ./plugins/inputs/ping/...
+	go test -short ./plugins/inputs/ping/...
-	go test ./plugins/inputs/win_perf_counters/...
+	go test -short ./plugins/inputs/win_perf_counters/...
-	go test ./plugins/inputs/win_services/...
+	go test -short ./plugins/inputs/win_services/...
-	go test ./plugins/inputs/procstat/...
+	go test -short ./plugins/inputs/procstat/...
-	go test ./plugins/inputs/ntpq/...
+	go test -short ./plugins/inputs/ntpq/...
 
 # vet runs the Go source code static analysis tool `vet` to find
 # any common errors.

docs/DATA_FORMATS_INPUT.md

@@ -104,9 +104,10 @@ but can be overridden using the `name_override` config option.
 
 #### JSON Configuration:
 
-The JSON data format supports specifying "tag keys". If specified, keys
+The JSON data format supports specifying "tag keys" and "field keys". If specified, keys
-will be searched for in the root-level of the JSON blob. If the key(s) exist,
+will be searched for in the root-level and any nested lists of the JSON blob. If the key(s) exist,
-they will be applied as tags to the Telegraf metrics.
+they will be applied as tags or fields to the Telegraf metrics.  If "field_keys" is not specified,
+all int and float values will be set as fields by default.
 
 For example, if you had this configuration:
 
@@ -173,6 +174,7 @@ For example, if the following configuration:
     "my_tag_1",
     "my_tag_2"
   ]
+  field_keys = ["b_c"]
 ```
 
 with this JSON output from a command:
@@ -198,11 +200,11 @@ with this JSON output from a command:
 ]
 ```
 
-Your Telegraf metrics would get tagged with "my_tag_1" and "my_tag_2"
+Your Telegraf metrics would get tagged with "my_tag_1" and "my_tag_2" and fielded with "b_c"
 
 ```
-exec_mycollector,my_tag_1=foo,my_tag_2=baz a=5,b_c=6
+exec_mycollector,my_tag_1=foo,my_tag_2=baz b_c=6
-exec_mycollector,my_tag_1=bar,my_tag_2=baz a=7,b_c=8
+exec_mycollector,my_tag_1=bar,my_tag_2=baz b_c=8
 ```
 
 # Value:

internal/config/config.go

@@ -1261,6 +1261,18 @@ func buildParser(name string, tbl *ast.Table) (parsers.Parser, error) {
 		}
 	}
 
+	if node, ok := tbl.Fields["field_keys"]; ok {
+		if kv, ok := node.(*ast.KeyValue); ok {
+			if ary, ok := kv.Value.(*ast.Array); ok {
+				for _, elem := range ary.Value {
+					if str, ok := elem.(*ast.String); ok {
+						c.FieldKeys = append(c.FieldKeys, str.Value)
+					}
+				}
+			}
+		}
+	}
+
 	if node, ok := tbl.Fields["data_type"]; ok {
 		if kv, ok := node.(*ast.KeyValue); ok {
 			if str, ok := kv.Value.(*ast.String); ok {
@@ -1344,6 +1356,7 @@ func buildParser(name string, tbl *ast.Table) (parsers.Parser, error) {
 	delete(tbl.Fields, "separator")
 	delete(tbl.Fields, "templates")
 	delete(tbl.Fields, "tag_keys")
+	delete(tbl.Fields, "field_keys")
 	delete(tbl.Fields, "data_type")
 	delete(tbl.Fields, "collectd_auth_file")
 	delete(tbl.Fields, "collectd_security_level")

internal/config/config_test.go

@@ -143,7 +143,10 @@ func TestConfig_LoadDirectory(t *testing.T) {
 		"Testdata did not produce correct memcached metadata.")
 
 	ex := inputs.Inputs["exec"]().(*exec.Exec)
-	p, err := parsers.NewJSONParser("exec", nil, nil)
+	p, err := parsers.NewParser(&parsers.Config{
+		MetricName: "exec",
+		DataFormat: "json",
+	})
 	assert.NoError(t, err)
 	ex.SetParser(p)
 	ex.Command = "/usr/bin/myothercollector --foo=bar"

plugins/inputs/exec/exec_test.go

@@ -93,7 +93,10 @@ func (r runnerMock) Run(e *Exec, command string, acc telegraf.Accumulator) ([]by
 }
 
 func TestExec(t *testing.T) {
-	parser, _ := parsers.NewJSONParser("exec", []string{}, nil)
+	parser, _ := parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "exec",
+	})
 	e := &Exec{
 		runner:   newRunnerMock([]byte(validJson), nil),
 		Commands: []string{"testcommand arg1"},
@@ -119,7 +122,10 @@ func TestExec(t *testing.T) {
 }
 
 func TestExecMalformed(t *testing.T) {
-	parser, _ := parsers.NewJSONParser("exec", []string{}, nil)
+	parser, _ := parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "exec",
+	})
 	e := &Exec{
 		runner:   newRunnerMock([]byte(malformedJson), nil),
 		Commands: []string{"badcommand arg1"},
@@ -132,7 +138,10 @@ func TestExecMalformed(t *testing.T) {
 }
 
 func TestCommandError(t *testing.T) {
-	parser, _ := parsers.NewJSONParser("exec", []string{}, nil)
+	parser, _ := parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "exec",
+	})
 	e := &Exec{
 		runner:   newRunnerMock(nil, fmt.Errorf("exit status code 1")),
 		Commands: []string{"badcommand"},

plugins/inputs/http/http_test.go

@@ -26,7 +26,11 @@ func TestHTTPwithJSONFormat(t *testing.T) {
 		URLs: []string{url},
 	}
 	metricName := "metricName"
-	p, _ := parsers.NewJSONParser(metricName, nil, nil)
+
+	p, _ := parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "metricName",
+	})
 	plugin.SetParser(p)
 
 	var acc testutil.Accumulator
@@ -63,8 +67,11 @@ func TestHTTPHeaders(t *testing.T) {
 		URLs:    []string{url},
 		Headers: map[string]string{header: headerValue},
 	}
-	metricName := "metricName"
+
-	p, _ := parsers.NewJSONParser(metricName, nil, nil)
+	p, _ := parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "metricName",
+	})
 	plugin.SetParser(p)
 
 	var acc testutil.Accumulator
@@ -83,7 +90,10 @@ func TestInvalidStatusCode(t *testing.T) {
 	}
 
 	metricName := "metricName"
-	p, _ := parsers.NewJSONParser(metricName, nil, nil)
+	p, _ := parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: metricName,
+	})
 	plugin.SetParser(p)
 
 	var acc testutil.Accumulator
@@ -105,8 +115,10 @@ func TestMethod(t *testing.T) {
 		Method: "POST",
 	}
 
-	metricName := "metricName"
+	p, _ := parsers.NewParser(&parsers.Config{
-	p, _ := parsers.NewJSONParser(metricName, nil, nil)
+		DataFormat: "json",
+		MetricName: "metricName",
+	})
 	plugin.SetParser(p)
 
 	var acc testutil.Accumulator

plugins/inputs/httpjson/httpjson.go

@@ -181,7 +181,12 @@ func (h *HttpJson) gatherServer(
 		"server": serverURL,
 	}
 
-	parser, err := parsers.NewJSONParser(msrmnt_name, h.TagKeys, tags)
+	parser, err := parsers.NewParser(&parsers.Config{
+		DataFormat:  "json",
+		MetricName:  msrmnt_name,
+		TagKeys:     h.TagKeys,
+		DefaultTags: tags,
+	})
 	if err != nil {
 		return err
 	}

plugins/inputs/kafka_consumer/kafka_consumer_test.go

@@ -125,7 +125,10 @@ func TestRunParserAndGatherJSON(t *testing.T) {
 	k.acc = &acc
 	defer close(k.done)
 
-	k.parser, _ = parsers.NewJSONParser("kafka_json_test", []string{}, nil)
+	k.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "kafka_json_test",
+	})
 	go k.receiver()
 	in <- saramaMsg(testMsgJSON)
 	acc.Wait(1)

plugins/inputs/kafka_consumer_legacy/kafka_consumer_legacy_test.go

@@ -125,7 +125,10 @@ func TestRunParserAndGatherJSON(t *testing.T) {
 	k.acc = &acc
 	defer close(k.done)
 
-	k.parser, _ = parsers.NewJSONParser("kafka_json_test", []string{}, nil)
+	k.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "kafka_json_test",
+	})
 	go k.receiver()
 	in <- saramaMsg(testMsgJSON)
 	acc.Wait(1)

plugins/inputs/logparser/README.md

@@ -108,7 +108,9 @@ You must capture at least one field per line.
   - ts-"CUSTOM"
 
 CUSTOM time layouts must be within quotes and be the representation of the
-"reference time", which is `Mon Jan 2 15:04:05 -0700 MST 2006`
+"reference time", which is `Mon Jan 2 15:04:05 -0700 MST 2006`.  
+To match a comma decimal point you can use a period.  For example `%{TIMESTAMP:timestamp:ts-"2006-01-02 15:04:05.000"}` can be used to match `"2018-01-02 15:04:05,000"`
+To match a comma decimal point you can use a period in the pattern string.
 See https://golang.org/pkg/time/#Parse for more details.
 
 Telegraf has many of its own [built-in patterns](./grok/patterns/influx-patterns),

plugins/inputs/logparser/grok/grok.go

@@ -335,6 +335,9 @@ func (p *Parser) ParseLine(line string) (telegraf.Metric, error) {
 		case DROP:
 		// goodbye!
 		default:
+			// Replace commas with dot character
+			v = strings.Replace(v, ",", ".", -1)
+
 			ts, err := time.ParseInLocation(t, v, p.loc)
 			if err == nil {
 				timestamp = ts

plugins/inputs/logparser/grok/grok_test.go

@@ -982,3 +982,21 @@ func TestSyslogTimestampParser(t *testing.T) {
 	require.NotNil(t, m)
 	require.Equal(t, 2018, m.Time().Year())
 }
+
+func TestReplaceTimestampComma(t *testing.T) {
+
+	p := &Parser{
+		Patterns: []string{`%{TIMESTAMP_ISO8601:timestamp:ts-"2006-01-02 15:04:05.000"} successfulMatches=%{NUMBER:value:int}`},
+	}
+
+	require.NoError(t, p.Compile())
+	m, err := p.ParseLine("2018-02-21 13:10:34,555 successfulMatches=1")
+	require.NoError(t, err)
+	require.NotNil(t, m)
+
+	require.Equal(t, 2018, m.Time().Year())
+	require.Equal(t, 13, m.Time().Hour())
+	require.Equal(t, 34, m.Time().Second())
+	//Convert Nanosecond to milisecond for compare
+	require.Equal(t, 555, m.Time().Nanosecond()/1000000)
+}

plugins/inputs/mqtt_consumer/mqtt_consumer_test.go

@@ -172,7 +172,10 @@ func TestRunParserAndGatherJSON(t *testing.T) {
 	n.acc = &acc
 	defer close(n.done)
 
-	n.parser, _ = parsers.NewJSONParser("nats_json_test", []string{}, nil)
+	n.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "nats_json_test",
+	})
 	go n.receiver()
 	in <- mqttMsg(testMsgJSON)
 

plugins/inputs/nats_consumer/nats_consumer_test.go

@@ -108,7 +108,10 @@ func TestRunParserAndGatherJSON(t *testing.T) {
 	n.acc = &acc
 	defer close(n.done)
 
-	n.parser, _ = parsers.NewJSONParser("nats_json_test", []string{}, nil)
+	n.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "nats_json_test",
+	})
 	n.wg.Add(1)
 	go n.receiver()
 	in <- natsMsg(testMsgJSON)

plugins/inputs/postfix/postfix.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 	"strings"
 	"time"
 
@@ -28,36 +28,37 @@ func getQueueDirectory() (string, error) {
 	return strings.TrimSpace(string(qd)), nil
 }
 
-func qScan(path string) (int64, int64, int64, error) {
+func qScan(path string, acc telegraf.Accumulator) (int64, int64, int64, error) {
-	f, err := os.Open(path)
-	if err != nil {
-		return 0, 0, 0, err
-	}
-
-	finfos, err := f.Readdir(-1)
-	f.Close()
-	if err != nil {
-		return 0, 0, 0, err
-	}
-
 	var length, size int64
 	var oldest time.Time
-	for _, finfo := range finfos {
+	err := filepath.Walk(path, func(_ string, finfo os.FileInfo, err error) error {
+		if err != nil {
+			acc.AddError(fmt.Errorf("error scanning %s: %s", path, err))
+			return nil
+		}
+		if finfo.IsDir() {
+			return nil
+		}
+
 		length++
 		size += finfo.Size()
 
 		ctime := statCTime(finfo.Sys())
 		if ctime.IsZero() {
-			continue
+			return nil
 		}
 		if oldest.IsZero() || ctime.Before(oldest) {
 			oldest = ctime
 		}
+		return nil
+	})
+	if err != nil {
+		return 0, 0, 0, err
 	}
 	var age int64
 	if !oldest.IsZero() {
 		age = int64(time.Now().Sub(oldest) / time.Second)
-	} else if len(finfos) != 0 {
+	} else if length != 0 {
 		// system doesn't support ctime
 		age = -1
 	}
@@ -77,8 +78,8 @@ func (p *Postfix) Gather(acc telegraf.Accumulator) error {
 		}
 	}
 
-	for _, q := range []string{"active", "hold", "incoming", "maildrop"} {
+	for _, q := range []string{"active", "hold", "incoming", "maildrop", "deferred"} {
-		length, size, age, err := qScan(path.Join(p.QueueDirectory, q))
+		length, size, age, err := qScan(filepath.Join(p.QueueDirectory, q), acc)
 		if err != nil {
 			acc.AddError(fmt.Errorf("error scanning queue %s: %s", q, err))
 			continue
@@ -90,30 +91,6 @@ func (p *Postfix) Gather(acc telegraf.Accumulator) error {
 		acc.AddFields("postfix_queue", fields, map[string]string{"queue": q})
 	}
 
-	var dLength, dSize int64
-	dAge := int64(-1)
-	for _, q := range []string{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"} {
-		length, size, age, err := qScan(path.Join(p.QueueDirectory, "deferred", q))
-		if err != nil {
-			if os.IsNotExist(err) {
-				// the directories are created on first use
-				continue
-			}
-			acc.AddError(fmt.Errorf("error scanning queue deferred/%s: %s", q, err))
-			return nil
-		}
-		dLength += length
-		dSize += size
-		if age > dAge {
-			dAge = age
-		}
-	}
-	fields := map[string]interface{}{"length": dLength, "size": dSize}
-	if dAge != -1 {
-		fields["age"] = dAge
-	}
-	acc.AddFields("postfix_queue", fields, map[string]string{"queue": "deferred"})
-
 	return nil
 }
 

plugins/inputs/postfix/postfix_test.go

@@ -3,7 +3,7 @@ package postfix
 import (
 	"io/ioutil"
 	"os"
-	"path"
+	"path/filepath"
 	"testing"
 
 	"github.com/influxdata/telegraf/testutil"
@@ -16,19 +16,16 @@ func TestGather(t *testing.T) {
 	require.NoError(t, err)
 	defer os.RemoveAll(td)
 
-	for _, q := range []string{"active", "hold", "incoming", "maildrop", "deferred"} {
+	for _, q := range []string{"active", "hold", "incoming", "maildrop", "deferred/0/0", "deferred/F/F"} {
-		require.NoError(t, os.Mkdir(path.Join(td, q), 0755))
+		require.NoError(t, os.MkdirAll(filepath.FromSlash(td+"/"+q), 0755))
-	}
-	for _, q := range []string{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "F"} { // "E" deliberately left off
-		require.NoError(t, os.Mkdir(path.Join(td, "deferred", q), 0755))
 	}
 
-	require.NoError(t, ioutil.WriteFile(path.Join(td, "active", "01"), []byte("abc"), 0644))
+	require.NoError(t, ioutil.WriteFile(filepath.FromSlash(td+"/active/01"), []byte("abc"), 0644))
-	require.NoError(t, ioutil.WriteFile(path.Join(td, "active", "02"), []byte("defg"), 0644))
+	require.NoError(t, ioutil.WriteFile(filepath.FromSlash(td+"/active/02"), []byte("defg"), 0644))
-	require.NoError(t, ioutil.WriteFile(path.Join(td, "hold", "01"), []byte("abc"), 0644))
+	require.NoError(t, ioutil.WriteFile(filepath.FromSlash(td+"/hold/01"), []byte("abc"), 0644))
-	require.NoError(t, ioutil.WriteFile(path.Join(td, "incoming", "01"), []byte("abcd"), 0644))
+	require.NoError(t, ioutil.WriteFile(filepath.FromSlash(td+"/incoming/01"), []byte("abcd"), 0644))
-	require.NoError(t, ioutil.WriteFile(path.Join(td, "deferred", "0", "01"), []byte("abc"), 0644))
+	require.NoError(t, ioutil.WriteFile(filepath.FromSlash(td+"/deferred/0/0/01"), []byte("abc"), 0644))
-	require.NoError(t, ioutil.WriteFile(path.Join(td, "deferred", "F", "F1"), []byte("abc"), 0644))
+	require.NoError(t, ioutil.WriteFile(filepath.FromSlash(td+"/deferred/F/F/F1"), []byte("abc"), 0644))
 
 	p := Postfix{
 		QueueDirectory: td,

plugins/inputs/procstat/README.md

@@ -1,8 +1,6 @@
 # Procstat Input Plugin
 
 The procstat plugin can be used to monitor the system resource usage of one or more processes.
-The procstat_lookup metric displays the query information, 
-specifically the number of PIDs returned on a search
 
 Processes can be selected for monitoring using one of several methods:
 - pidfile

plugins/inputs/reader/reader.go

@@ -1,117 +0,0 @@
-package reader
-
-import (
-	"io/ioutil"
-	"log"
-
-	"github.com/influxdata/telegraf"
-	"github.com/influxdata/telegraf/internal/globpath"
-	"github.com/influxdata/telegraf/plugins/parsers"
-)
-
-type Reader struct {
-	Filepaths     []string `toml:"files"`
-	FromBeginning bool
-	DataFormat    string `toml:"data_format"`
-	ParserConfig  parsers.Config
-	Parser        parsers.Parser
-	Tags          []string
-
-	Filenames []string
-
-	//for grok parser
-	Patterns           []string
-	namedPatterns      []string
-	CustomPatterns     string
-	CustomPatternFiles []string
-}
-
-const sampleConfig = `## Files to parse.
-## These accept standard unix glob matching rules, but with the addition of
-## ** as a "super asterisk". ie:
-##   /var/log/**.log     -> recursively find all .log files in /var/log
-##   /var/log/*/*.log    -> find all .log files with a parent dir in /var/log
-##   /var/log/apache.log -> only tail the apache log file
-files = ["/var/log/apache/access.log"]
-
-## The dataformat to be read from files
-## Each data format has its own unique set of configuration options, read
-## more about them here:
-## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
-data_format = ""`
-
-// SampleConfig returns the default configuration of the Input
-func (r *Reader) SampleConfig() string {
-	return sampleConfig
-}
-
-func (r *Reader) Description() string {
-	return "reload and gather from file[s] on telegraf's interval"
-}
-
-func (r *Reader) Gather(acc telegraf.Accumulator) error {
-	r.refreshFilePaths()
-	for _, k := range r.Filenames {
-		metrics, err := r.readMetric(k)
-		if err != nil {
-			return err
-		}
-
-		for _, m := range metrics {
-			acc.AddFields(m.Name(), m.Fields(), m.Tags())
-		}
-	}
-	return nil
-}
-
-func (r *Reader) compileParser() {
-	if r.DataFormat == "" {
-		log.Printf("E! No data_format specified")
-		return
-	}
-	r.ParserConfig = parsers.Config{
-		DataFormat: r.DataFormat,
-		TagKeys:    r.Tags,
-
-		//grok settings
-		Patterns:           r.Patterns,
-		NamedPatterns:      r.namedPatterns,
-		CustomPatterns:     r.CustomPatterns,
-		CustomPatternFiles: r.CustomPatternFiles,
-	}
-	nParser, err := parsers.NewParser(&r.ParserConfig)
-	if err != nil {
-		log.Printf("E! Error building parser: %v", err)
-	}
-
-	r.Parser = nParser
-}
-
-func (r *Reader) refreshFilePaths() {
-	var allFiles []string
-	for _, filepath := range r.Filepaths {
-		g, err := globpath.Compile(filepath)
-		if err != nil {
-			log.Printf("E! Error Glob %s failed to compile, %s", filepath, err)
-			continue
-		}
-		files := g.Match()
-
-		for k := range files {
-			allFiles = append(allFiles, k)
-		}
-	}
-
-	r.Filenames = allFiles
-}
-
-//requires that Parser has been compiled
-func (r *Reader) readMetric(filename string) ([]telegraf.Metric, error) {
-	fileContents, err := ioutil.ReadFile(filename)
-	if err != nil {
-		log.Printf("E! File could not be opened: %v", filename)
-	}
-
-	return r.Parser.Parse(fileContents)
-
-}

plugins/inputs/reader/reader_test.go

@@ -1,58 +0,0 @@
-package reader
-
-import (
-	"log"
-	"runtime"
-	"strings"
-	"testing"
-
-	"github.com/influxdata/telegraf/testutil"
-	"github.com/stretchr/testify/assert"
-)
-
-func TestRefreshFilePaths(t *testing.T) {
-	testDir := getPluginDir()
-	r := Reader{
-		Filepaths: []string{testDir + "/logparser/grok/testdata/**.log"},
-	}
-
-	r.refreshFilePaths()
-	//log.Printf("filenames: %v", filenames)
-	assert.Equal(t, len(r.Filenames), 2)
-}
-func TestJSONParserCompile(t *testing.T) {
-	testDir := getPluginDir()
-	var acc testutil.Accumulator
-	r := Reader{
-		Filepaths:  []string{testDir + "/reader/testfiles/json_a.log"},
-		DataFormat: "json",
-		Tags:       []string{"parent_ignored_child"},
-	}
-	r.compileParser()
-	r.Gather(&acc)
-	log.Printf("acc: %v", acc.Metrics[0].Tags)
-	assert.Equal(t, map[string]string{"parent_ignored_child": "hi"}, acc.Metrics[0].Tags)
-	assert.Equal(t, 5, len(acc.Metrics[0].Fields))
-}
-
-func TestGrokParser(t *testing.T) {
-	testDir := getPluginDir()
-	var acc testutil.Accumulator
-	r := Reader{
-		Filepaths:  []string{testDir + "/reader/testfiles/grok_a.log"},
-		DataFormat: "grok",
-		Patterns:   []string{"%{COMMON_LOG_FORMAT}"},
-	}
-
-	r.compileParser()
-	err := r.Gather(&acc)
-	log.Printf("err: %v", err)
-	log.Printf("metric[0]_tags: %v, metric[0]_fields: %v", acc.Metrics[0].Tags, acc.Metrics[0].Fields)
-	log.Printf("metric[1]_tags: %v, metric[1]_fields: %v", acc.Metrics[1].Tags, acc.Metrics[1].Fields)
-	assert.Equal(t, 2, len(acc.Metrics))
-}
-
-func getPluginDir() string {
-	_, filename, _, _ := runtime.Caller(1)
-	return strings.Replace(filename, "/reader/reader_test.go", "", 1)
-}

plugins/inputs/reader/testfiles/grok_a.log

@@ -1,2 +0,0 @@
-127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326
-128.0.0.1 user-identifier tony [10/Oct/2000:13:55:36 -0800] "GET /apache_pb.gif HTTP/1.0" 300 45

plugins/inputs/reader/testfiles/json_a.log

@@ -1,14 +0,0 @@
-{
-		"parent": {
-			"child": 3.0,
-			"ignored_child": "hi"
-		},
-		"ignored_null": null,
-		"integer": 4,
-		"list": [3, 4],
-		"ignored_parent": {
-			"another_ignored_null": null,
-			"ignored_string": "hello, world!"
-		},
-		"another_list": [4]
-	}

plugins/inputs/tail/README.md

@@ -1,4 +1,4 @@
-# tail Input Plugin
+# Tail Input Plugin
 
 The tail plugin "tails" a logfile and parses each log message.
 
@@ -49,3 +49,7 @@ The plugin expects messages in one of the
   data_format = "influx"
 ```
 
+### Metrics:
+
+Metrics are produced according to the `data_format` option.  Additionally a
+tag labeled `path` is added to the metric containing the filename being tailed.

plugins/inputs/tail/tail.go

@@ -146,7 +146,11 @@ func (t *Tail) receiver(tailer *tail.Tail) {
 
 		m, err = t.parser.ParseLine(text)
 		if err == nil {
-			t.acc.AddFields(m.Name(), m.Fields(), m.Tags(), m.Time())
+			if m != nil {
+				tags := m.Tags()
+				tags["path"] = tailer.Filename
+				t.acc.AddFields(m.Name(), m.Fields(), tags, m.Time())
+			}
 		} else {
 			t.acc.AddError(fmt.Errorf("E! Malformed log line in %s: [%s], Error: %s\n",
 				tailer.Filename, line.Text, err))

plugins/inputs/tcp_listener/tcp_listener_test.go

@@ -300,7 +300,10 @@ func TestRunParserJSONMsg(t *testing.T) {
 	listener.acc = &acc
 	defer close(listener.done)
 
-	listener.parser, _ = parsers.NewJSONParser("udp_json_test", []string{}, nil)
+	listener.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "udp_json_test",
+	})
 	listener.wg.Add(1)
 	go listener.tcpParser()
 

plugins/inputs/udp_listener/udp_listener_test.go

@@ -193,7 +193,10 @@ func TestRunParserJSONMsg(t *testing.T) {
 	listener.acc = &acc
 	defer close(listener.done)
 
-	listener.parser, _ = parsers.NewJSONParser("udp_json_test", []string{}, nil)
+	listener.parser, _ = parsers.NewParser(&parsers.Config{
+		DataFormat: "json",
+		MetricName: "udp_json_test",
+	})
 	listener.wg.Add(1)
 	go listener.udpParser()
 

plugins/parsers/grok/influx-patterns

@@ -1,73 +0,0 @@
-# Captures are a slightly modified version of logstash "grok" patterns, with
-#  the format %{<capture syntax>[:<semantic name>][:<modifier>]}
-# By default all named captures are converted into string fields.
-# Modifiers can be used to convert captures to other types or tags.
-# Timestamp modifiers can be used to convert captures to the timestamp of the
-#  parsed metric.
-
-# View logstash grok pattern docs here:
-#   https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html
-# All default logstash patterns are supported, these can be viewed here:
-#   https://github.com/logstash-plugins/logstash-patterns-core/blob/master/patterns/grok-patterns
-
-# Available modifiers:
-#   string   (default if nothing is specified)
-#   int
-#   float
-#   duration (ie, 5.23ms gets converted to int nanoseconds)
-#   tag      (converts the field into a tag)
-#   drop     (drops the field completely)
-# Timestamp modifiers:
-#   ts-ansic         ("Mon Jan _2 15:04:05 2006")
-#   ts-unix          ("Mon Jan _2 15:04:05 MST 2006")
-#   ts-ruby          ("Mon Jan 02 15:04:05 -0700 2006")
-#   ts-rfc822        ("02 Jan 06 15:04 MST")
-#   ts-rfc822z       ("02 Jan 06 15:04 -0700")
-#   ts-rfc850        ("Monday, 02-Jan-06 15:04:05 MST")
-#   ts-rfc1123       ("Mon, 02 Jan 2006 15:04:05 MST")
-#   ts-rfc1123z      ("Mon, 02 Jan 2006 15:04:05 -0700")
-#   ts-rfc3339       ("2006-01-02T15:04:05Z07:00")
-#   ts-rfc3339nano   ("2006-01-02T15:04:05.999999999Z07:00")
-#   ts-httpd         ("02/Jan/2006:15:04:05 -0700")
-#   ts-epoch         (seconds since unix epoch)
-#   ts-epochnano     (nanoseconds since unix epoch)
-#   ts-"CUSTOM"
-# CUSTOM time layouts must be within quotes and be the representation of the
-# "reference time", which is Mon Jan 2 15:04:05 -0700 MST 2006
-# See https://golang.org/pkg/time/#Parse for more details.
-
-# Example log file pattern, example log looks like this:
-#   [04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs
-# Breakdown of the DURATION pattern below:
-#   NUMBER  is a builtin logstash grok pattern matching float & int numbers.
-#   [nuµm]? is a regex specifying 0 or 1 of the characters within brackets.
-#   s       is also regex, this pattern must end in "s".
-# so DURATION will match something like '5.324ms' or '6.1µs' or '10s'
-DURATION %{NUMBER}[nuµm]?s
-RESPONSE_CODE %{NUMBER:response_code:tag}
-RESPONSE_TIME %{DURATION:response_time_ns:duration}
-EXAMPLE_LOG \[%{HTTPDATE:ts:ts-httpd}\] %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
-
-# Wider-ranging username matching vs. logstash built-in %{USER}
-NGUSERNAME [a-zA-Z0-9\.\@\-\+_%]+
-NGUSER %{NGUSERNAME}
-# Wider-ranging client IP matching
-CLIENT (?:%{IPORHOST}|%{HOSTPORT}|::1)
-
-##
-## COMMON LOG PATTERNS
-##
-
-# apache & nginx logs, this is also known as the "common log format"
-#   see https://en.wikipedia.org/wiki/Common_Log_Format
-COMMON_LOG_FORMAT %{CLIENT:client_ip} %{NOTSPACE:ident} %{NOTSPACE:auth} \[%{HTTPDATE:ts:ts-httpd}\] "(?:%{WORD:verb:tag} %{NOTSPACE:request}(?: HTTP/%{NUMBER:http_version:float})?|%{DATA})" %{NUMBER:resp_code:tag} (?:%{NUMBER:resp_bytes:int}|-)
-
-# Combined log format is the same as the common log format but with the addition
-# of two quoted strings at the end for "referrer" and "agent"
-#   See Examples at http://httpd.apache.org/docs/current/mod/mod_log_config.html
-COMBINED_LOG_FORMAT %{COMMON_LOG_FORMAT} %{QS:referrer} %{QS:agent}
-
-# HTTPD log formats
-HTTPD20_ERRORLOG \[%{HTTPDERROR_DATE:timestamp}\] \[%{LOGLEVEL:loglevel:tag}\] (?:\[client %{IPORHOST:clientip}\] ){0,1}%{GREEDYDATA:errormsg}
-HTTPD24_ERRORLOG \[%{HTTPDERROR_DATE:timestamp}\] \[%{WORD:module}:%{LOGLEVEL:loglevel:tag}\] \[pid %{POSINT:pid:int}:tid %{NUMBER:tid:int}\]( \(%{POSINT:proxy_errorcode:int}\)%{DATA:proxy_errormessage}:)?( \[client %{IPORHOST:client}:%{POSINT:clientport}\])? %{DATA:errorcode}: %{GREEDYDATA:message}
-HTTPD_ERRORLOG %{HTTPD20_ERRORLOG}|%{HTTPD24_ERRORLOG}

plugins/parsers/grok/influx_patterns.go

@@ -1,78 +0,0 @@
-package grok
-
-// DEFAULT_PATTERNS SHOULD BE KEPT IN-SYNC WITH patterns/influx-patterns
-const DEFAULT_PATTERNS = `
-# Captures are a slightly modified version of logstash "grok" patterns, with
-#  the format %{<capture syntax>[:<semantic name>][:<modifier>]}
-# By default all named captures are converted into string fields.
-# Modifiers can be used to convert captures to other types or tags.
-# Timestamp modifiers can be used to convert captures to the timestamp of the
-#  parsed metric.
-
-# View logstash grok pattern docs here:
-#   https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html
-# All default logstash patterns are supported, these can be viewed here:
-#   https://github.com/logstash-plugins/logstash-patterns-core/blob/master/patterns/grok-patterns
-
-# Available modifiers:
-#   string   (default if nothing is specified)
-#   int
-#   float
-#   duration (ie, 5.23ms gets converted to int nanoseconds)
-#   tag      (converts the field into a tag)
-#   drop     (drops the field completely)
-# Timestamp modifiers:
-#   ts-ansic         ("Mon Jan _2 15:04:05 2006")
-#   ts-unix          ("Mon Jan _2 15:04:05 MST 2006")
-#   ts-ruby          ("Mon Jan 02 15:04:05 -0700 2006")
-#   ts-rfc822        ("02 Jan 06 15:04 MST")
-#   ts-rfc822z       ("02 Jan 06 15:04 -0700")
-#   ts-rfc850        ("Monday, 02-Jan-06 15:04:05 MST")
-#   ts-rfc1123       ("Mon, 02 Jan 2006 15:04:05 MST")
-#   ts-rfc1123z      ("Mon, 02 Jan 2006 15:04:05 -0700")
-#   ts-rfc3339       ("2006-01-02T15:04:05Z07:00")
-#   ts-rfc3339nano   ("2006-01-02T15:04:05.999999999Z07:00")
-#   ts-httpd         ("02/Jan/2006:15:04:05 -0700")
-#   ts-epoch         (seconds since unix epoch)
-#   ts-epochnano     (nanoseconds since unix epoch)
-#   ts-"CUSTOM"
-# CUSTOM time layouts must be within quotes and be the representation of the
-# "reference time", which is Mon Jan 2 15:04:05 -0700 MST 2006
-# See https://golang.org/pkg/time/#Parse for more details.
-
-# Example log file pattern, example log looks like this:
-#   [04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs
-# Breakdown of the DURATION pattern below:
-#   NUMBER  is a builtin logstash grok pattern matching float & int numbers.
-#   [nuµm]? is a regex specifying 0 or 1 of the characters within brackets.
-#   s       is also regex, this pattern must end in "s".
-# so DURATION will match something like '5.324ms' or '6.1µs' or '10s'
-DURATION %{NUMBER}[nuµm]?s
-RESPONSE_CODE %{NUMBER:response_code:tag}
-RESPONSE_TIME %{DURATION:response_time_ns:duration}
-EXAMPLE_LOG \[%{HTTPDATE:ts:ts-httpd}\] %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
-
-# Wider-ranging username matching vs. logstash built-in %{USER}
-NGUSERNAME [a-zA-Z0-9\.\@\-\+_%]+
-NGUSER %{NGUSERNAME}
-# Wider-ranging client IP matching
-CLIENT (?:%{IPV6}|%{IPV4}|%{HOSTNAME}|%{HOSTPORT})
-
-##
-## COMMON LOG PATTERNS
-##
-
-# apache & nginx logs, this is also known as the "common log format"
-#   see https://en.wikipedia.org/wiki/Common_Log_Format
-COMMON_LOG_FORMAT %{CLIENT:client_ip} %{NOTSPACE:ident} %{NOTSPACE:auth} \[%{HTTPDATE:ts:ts-httpd}\] "(?:%{WORD:verb:tag} %{NOTSPACE:request}(?: HTTP/%{NUMBER:http_version:float})?|%{DATA})" %{NUMBER:resp_code:tag} (?:%{NUMBER:resp_bytes:int}|-)
-
-# Combined log format is the same as the common log format but with the addition
-# of two quoted strings at the end for "referrer" and "agent"
-#   See Examples at http://httpd.apache.org/docs/current/mod/mod_log_config.html
-COMBINED_LOG_FORMAT %{COMMON_LOG_FORMAT} %{QS:referrer} %{QS:agent}
-
-# HTTPD log formats
-HTTPD20_ERRORLOG \[%{HTTPDERROR_DATE:timestamp}\] \[%{LOGLEVEL:loglevel:tag}\] (?:\[client %{IPORHOST:clientip}\] ){0,1}%{GREEDYDATA:errormsg}
-HTTPD24_ERRORLOG \[%{HTTPDERROR_DATE:timestamp}\] \[%{WORD:module}:%{LOGLEVEL:loglevel:tag}\] \[pid %{POSINT:pid:int}:tid %{NUMBER:tid:int}\]( \(%{POSINT:proxy_errorcode:int}\)%{DATA:proxy_errormessage}:)?( \[client %{IPORHOST:client}:%{POSINT:clientport}\])? %{DATA:errorcode}: %{GREEDYDATA:message}
-HTTPD_ERRORLOG %{HTTPD20_ERRORLOG}|%{HTTPD24_ERRORLOG}
-`

plugins/parsers/grok/parser.go

@@ -1,527 +0,0 @@
-package grok
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"os"
-	"regexp"
-	"strconv"
-	"strings"
-	"time"
-
-	"github.com/vjeantet/grok"
-
-	"github.com/influxdata/telegraf"
-	"github.com/influxdata/telegraf/metric"
-)
-
-var timeLayouts = map[string]string{
-	"ts-ansic":       "Mon Jan _2 15:04:05 2006",
-	"ts-unix":        "Mon Jan _2 15:04:05 MST 2006",
-	"ts-ruby":        "Mon Jan 02 15:04:05 -0700 2006",
-	"ts-rfc822":      "02 Jan 06 15:04 MST",
-	"ts-rfc822z":     "02 Jan 06 15:04 -0700", // RFC822 with numeric zone
-	"ts-rfc850":      "Monday, 02-Jan-06 15:04:05 MST",
-	"ts-rfc1123":     "Mon, 02 Jan 2006 15:04:05 MST",
-	"ts-rfc1123z":    "Mon, 02 Jan 2006 15:04:05 -0700", // RFC1123 with numeric zone
-	"ts-rfc3339":     "2006-01-02T15:04:05Z07:00",
-	"ts-rfc3339nano": "2006-01-02T15:04:05.999999999Z07:00",
-	"ts-httpd":       "02/Jan/2006:15:04:05 -0700",
-	// These three are not exactly "layouts", but they are special cases that
-	// will get handled in the ParseLine function.
-	"ts-epoch":     "EPOCH",
-	"ts-epochnano": "EPOCH_NANO",
-	"ts-syslog":    "SYSLOG_TIMESTAMP",
-	"ts":           "GENERIC_TIMESTAMP", // try parsing all known timestamp layouts.
-}
-
-const (
-	INT               = "int"
-	TAG               = "tag"
-	FLOAT             = "float"
-	STRING            = "string"
-	DURATION          = "duration"
-	DROP              = "drop"
-	EPOCH             = "EPOCH"
-	EPOCH_NANO        = "EPOCH_NANO"
-	SYSLOG_TIMESTAMP  = "SYSLOG_TIMESTAMP"
-	GENERIC_TIMESTAMP = "GENERIC_TIMESTAMP"
-)
-
-var (
-	// matches named captures that contain a modifier.
-	//   ie,
-	//     %{NUMBER:bytes:int}
-	//     %{IPORHOST:clientip:tag}
-	//     %{HTTPDATE:ts1:ts-http}
-	//     %{HTTPDATE:ts2:ts-"02 Jan 06 15:04"}
-	modifierRe = regexp.MustCompile(`%{\w+:(\w+):(ts-".+"|t?s?-?\w+)}`)
-	// matches a plain pattern name. ie, %{NUMBER}
-	patternOnlyRe = regexp.MustCompile(`%{(\w+)}`)
-)
-
-// Parser is the primary struct to handle and grok-patterns defined in the config toml
-type Parser struct {
-	Patterns []string
-	// namedPatterns is a list of internally-assigned names to the patterns
-	// specified by the user in Patterns.
-	// They will look like:
-	//   GROK_INTERNAL_PATTERN_0, GROK_INTERNAL_PATTERN_1, etc.
-	NamedPatterns      []string
-	CustomPatterns     string
-	CustomPatternFiles []string
-	Measurement        string
-
-	// Timezone is an optional component to help render log dates to
-	// your chosen zone.
-	// Default: "" which renders UTC
-	// Options are as follows:
-	// 1. Local             -- interpret based on machine localtime
-	// 2. "America/Chicago" -- Unix TZ values like those found in https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
-	// 3. UTC               -- or blank/unspecified, will return timestamp in UTC
-	Timezone string
-	loc      *time.Location
-
-	// typeMap is a map of patterns -> capture name -> modifier,
-	//   ie, {
-	//          "%{TESTLOG}":
-	//             {
-	//                "bytes": "int",
-	//                "clientip": "tag"
-	//             }
-	//       }
-	typeMap map[string]map[string]string
-	// tsMap is a map of patterns -> capture name -> timestamp layout.
-	//   ie, {
-	//          "%{TESTLOG}":
-	//             {
-	//                "httptime": "02/Jan/2006:15:04:05 -0700"
-	//             }
-	//       }
-	tsMap map[string]map[string]string
-	// patterns is a map of all of the parsed patterns from CustomPatterns
-	// and CustomPatternFiles.
-	//   ie, {
-	//          "DURATION":      "%{NUMBER}[nuµm]?s"
-	//          "RESPONSE_CODE": "%{NUMBER:rc:tag}"
-	//       }
-	patterns map[string]string
-	// foundTsLayouts is a slice of timestamp patterns that have been found
-	// in the log lines. This slice gets updated if the user uses the generic
-	// 'ts' modifier for timestamps. This slice is checked first for matches,
-	// so that previously-matched layouts get priority over all other timestamp
-	// layouts.
-	foundTsLayouts []string
-
-	timeFunc func() time.Time
-	g        *grok.Grok
-	tsModder *tsModder
-}
-
-// Compile is a bound method to Parser which will process the options for our parser
-func (p *Parser) Compile() error {
-	p.typeMap = make(map[string]map[string]string)
-	p.tsMap = make(map[string]map[string]string)
-	p.patterns = make(map[string]string)
-	p.tsModder = &tsModder{}
-	var err error
-	p.g, err = grok.NewWithConfig(&grok.Config{NamedCapturesOnly: true})
-	if err != nil {
-		return err
-	}
-
-	// Give Patterns fake names so that they can be treated as named
-	// "custom patterns"
-	p.NamedPatterns = make([]string, 0, len(p.Patterns))
-	for i, pattern := range p.Patterns {
-		pattern = strings.TrimSpace(pattern)
-		if pattern == "" {
-			continue
-		}
-		name := fmt.Sprintf("GROK_INTERNAL_PATTERN_%d", i)
-		p.CustomPatterns += "\n" + name + " " + pattern + "\n"
-		p.NamedPatterns = append(p.NamedPatterns, "%{"+name+"}")
-	}
-
-	if len(p.NamedPatterns) == 0 {
-		return fmt.Errorf("pattern required")
-	}
-
-	// Combine user-supplied CustomPatterns with DEFAULT_PATTERNS and parse
-	// them together as the same type of pattern.
-	p.CustomPatterns = DEFAULT_PATTERNS + p.CustomPatterns
-	if len(p.CustomPatterns) != 0 {
-		scanner := bufio.NewScanner(strings.NewReader(p.CustomPatterns))
-		p.addCustomPatterns(scanner)
-	}
-
-	// Parse any custom pattern files supplied.
-	for _, filename := range p.CustomPatternFiles {
-		file, fileErr := os.Open(filename)
-		if fileErr != nil {
-			return fileErr
-		}
-
-		scanner := bufio.NewScanner(bufio.NewReader(file))
-		p.addCustomPatterns(scanner)
-	}
-
-	if p.Measurement == "" {
-		p.Measurement = "logparser_grok"
-	}
-
-	p.loc, err = time.LoadLocation(p.Timezone)
-	if err != nil {
-		log.Printf("W! improper timezone supplied (%s), setting loc to UTC", p.Timezone)
-		p.loc, _ = time.LoadLocation("UTC")
-	}
-
-	if p.timeFunc == nil {
-		p.timeFunc = time.Now
-	}
-
-	return p.compileCustomPatterns()
-}
-
-// ParseLine is the primary function to process individual lines, returning the metrics
-func (p *Parser) ParseLine(line string) (telegraf.Metric, error) {
-	var err error
-	// values are the parsed fields from the log line
-	var values map[string]string
-	// the matching pattern string
-	var patternName string
-	for _, pattern := range p.NamedPatterns {
-		if values, err = p.g.Parse(pattern, line); err != nil {
-			return nil, err
-		}
-		if len(values) != 0 {
-			patternName = pattern
-			break
-		}
-	}
-
-	if len(values) == 0 {
-		log.Printf("D! Grok no match found for: %q", line)
-		return nil, nil
-	}
-
-	fields := make(map[string]interface{})
-	tags := make(map[string]string)
-	timestamp := time.Now()
-	for k, v := range values {
-		if k == "" || v == "" {
-			continue
-		}
-
-		// t is the modifier of the field
-		var t string
-		// check if pattern has some modifiers
-		if types, ok := p.typeMap[patternName]; ok {
-			t = types[k]
-		}
-		// if we didn't find a modifier, check if we have a timestamp layout
-		if t == "" {
-			if ts, ok := p.tsMap[patternName]; ok {
-				// check if the modifier is a timestamp layout
-				if layout, ok := ts[k]; ok {
-					t = layout
-				}
-			}
-		}
-		// if we didn't find a type OR timestamp modifier, assume string
-		if t == "" {
-			t = STRING
-		}
-
-		switch t {
-		case INT:
-			iv, err := strconv.ParseInt(v, 10, 64)
-			if err != nil {
-				log.Printf("E! Error parsing %s to int: %s", v, err)
-			} else {
-				fields[k] = iv
-			}
-		case FLOAT:
-			fv, err := strconv.ParseFloat(v, 64)
-			if err != nil {
-				log.Printf("E! Error parsing %s to float: %s", v, err)
-			} else {
-				fields[k] = fv
-			}
-		case DURATION:
-			d, err := time.ParseDuration(v)
-			if err != nil {
-				log.Printf("E! Error parsing %s to duration: %s", v, err)
-			} else {
-				fields[k] = int64(d)
-			}
-		case TAG:
-			tags[k] = v
-		case STRING:
-			fields[k] = strings.Trim(v, `"`)
-		case EPOCH:
-			parts := strings.SplitN(v, ".", 2)
-			if len(parts) == 0 {
-				log.Printf("E! Error parsing %s to timestamp: %s", v, err)
-				break
-			}
-
-			sec, err := strconv.ParseInt(parts[0], 10, 64)
-			if err != nil {
-				log.Printf("E! Error parsing %s to timestamp: %s", v, err)
-				break
-			}
-			ts := time.Unix(sec, 0)
-
-			if len(parts) == 2 {
-				padded := fmt.Sprintf("%-9s", parts[1])
-				nsString := strings.Replace(padded[:9], " ", "0", -1)
-				nanosec, err := strconv.ParseInt(nsString, 10, 64)
-				if err != nil {
-					log.Printf("E! Error parsing %s to timestamp: %s", v, err)
-					break
-				}
-				ts = ts.Add(time.Duration(nanosec) * time.Nanosecond)
-			}
-			timestamp = ts
-		case EPOCH_NANO:
-			iv, err := strconv.ParseInt(v, 10, 64)
-			if err != nil {
-				log.Printf("E! Error parsing %s to int: %s", v, err)
-			} else {
-				timestamp = time.Unix(0, iv)
-			}
-		case SYSLOG_TIMESTAMP:
-			ts, err := time.ParseInLocation("Jan 02 15:04:05", v, p.loc)
-			if err == nil {
-				if ts.Year() == 0 {
-					ts = ts.AddDate(timestamp.Year(), 0, 0)
-				}
-				timestamp = ts
-			} else {
-				log.Printf("E! Error parsing %s to time layout [%s]: %s", v, t, err)
-			}
-		case GENERIC_TIMESTAMP:
-			var foundTs bool
-			// first try timestamp layouts that we've already found
-			for _, layout := range p.foundTsLayouts {
-				ts, err := time.ParseInLocation(layout, v, p.loc)
-				if err == nil {
-					timestamp = ts
-					foundTs = true
-					break
-				}
-			}
-			// if we haven't found a timestamp layout yet, try all timestamp
-			// layouts.
-			if !foundTs {
-				for _, layout := range timeLayouts {
-					ts, err := time.ParseInLocation(layout, v, p.loc)
-					if err == nil {
-						timestamp = ts
-						foundTs = true
-						p.foundTsLayouts = append(p.foundTsLayouts, layout)
-						break
-					}
-				}
-			}
-			// if we still haven't found a timestamp layout, log it and we will
-			// just use time.Now()
-			if !foundTs {
-				log.Printf("E! Error parsing timestamp [%s], could not find any "+
-					"suitable time layouts.", v)
-			}
-		case DROP:
-		// goodbye!
-		default:
-			ts, err := time.ParseInLocation(t, v, p.loc)
-			if err == nil {
-				timestamp = ts
-			} else {
-				log.Printf("E! Error parsing %s to time layout [%s]: %s", v, t, err)
-			}
-		}
-	}
-
-	if len(fields) == 0 {
-		return nil, fmt.Errorf("logparser_grok: must have one or more fields")
-	}
-
-	return metric.New(p.Measurement, tags, fields, p.tsModder.tsMod(timestamp))
-}
-
-func (p *Parser) Parse(buf []byte) ([]telegraf.Metric, error) {
-	lines := strings.Split(string(buf), "\n")
-	var metrics []telegraf.Metric
-
-	for _, line := range lines {
-		m, err := p.ParseLine(line)
-		if err != nil {
-			return nil, err
-		}
-		metrics = append(metrics, m)
-	}
-
-	return metrics, nil
-}
-
-func (p *Parser) SetDefaultTags(tags map[string]string) {
-	//needs implementation
-}
-
-func (p *Parser) addCustomPatterns(scanner *bufio.Scanner) {
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-		if len(line) > 0 && line[0] != '#' {
-			names := strings.SplitN(line, " ", 2)
-			p.patterns[names[0]] = names[1]
-		}
-	}
-}
-
-func (p *Parser) compileCustomPatterns() error {
-	var err error
-	// check if the pattern contains a subpattern that is already defined
-	// replace it with the subpattern for modifier inheritance.
-	for i := 0; i < 2; i++ {
-		for name, pattern := range p.patterns {
-			subNames := patternOnlyRe.FindAllStringSubmatch(pattern, -1)
-			for _, subName := range subNames {
-				if subPattern, ok := p.patterns[subName[1]]; ok {
-					pattern = strings.Replace(pattern, subName[0], subPattern, 1)
-				}
-			}
-			p.patterns[name] = pattern
-		}
-	}
-
-	// check if pattern contains modifiers. Parse them out if it does.
-	for name, pattern := range p.patterns {
-		if modifierRe.MatchString(pattern) {
-			// this pattern has modifiers, so parse out the modifiers
-			pattern, err = p.parseTypedCaptures(name, pattern)
-			if err != nil {
-				return err
-			}
-			p.patterns[name] = pattern
-		}
-	}
-
-	return p.g.AddPatternsFromMap(p.patterns)
-}
-
-// parseTypedCaptures parses the capture modifiers, and then deletes the
-// modifier from the line so that it is a valid "grok" pattern again.
-//   ie,
-//     %{NUMBER:bytes:int}      => %{NUMBER:bytes}      (stores %{NUMBER}->bytes->int)
-//     %{IPORHOST:clientip:tag} => %{IPORHOST:clientip} (stores %{IPORHOST}->clientip->tag)
-func (p *Parser) parseTypedCaptures(name, pattern string) (string, error) {
-	matches := modifierRe.FindAllStringSubmatch(pattern, -1)
-
-	// grab the name of the capture pattern
-	patternName := "%{" + name + "}"
-	// create type map for this pattern
-	p.typeMap[patternName] = make(map[string]string)
-	p.tsMap[patternName] = make(map[string]string)
-
-	// boolean to verify that each pattern only has a single ts- data type.
-	hasTimestamp := false
-	for _, match := range matches {
-		// regex capture 1 is the name of the capture
-		// regex capture 2 is the modifier of the capture
-		if strings.HasPrefix(match[2], "ts") {
-			if hasTimestamp {
-				return pattern, fmt.Errorf("logparser pattern compile error: "+
-					"Each pattern is allowed only one named "+
-					"timestamp data type. pattern: %s", pattern)
-			}
-			if layout, ok := timeLayouts[match[2]]; ok {
-				// built-in time format
-				p.tsMap[patternName][match[1]] = layout
-			} else {
-				// custom time format
-				p.tsMap[patternName][match[1]] = strings.TrimSuffix(strings.TrimPrefix(match[2], `ts-"`), `"`)
-			}
-			hasTimestamp = true
-		} else {
-			p.typeMap[patternName][match[1]] = match[2]
-		}
-
-		// the modifier is not a valid part of a "grok" pattern, so remove it
-		// from the pattern.
-		pattern = strings.Replace(pattern, ":"+match[2]+"}", "}", 1)
-	}
-
-	return pattern, nil
-}
-
-// tsModder is a struct for incrementing identical timestamps of log lines
-// so that we don't push identical metrics that will get overwritten.
-type tsModder struct {
-	dupe     time.Time
-	last     time.Time
-	incr     time.Duration
-	incrn    time.Duration
-	rollover time.Duration
-}
-
-// tsMod increments the given timestamp one unit more from the previous
-// duplicate timestamp.
-// the increment unit is determined as the next smallest time unit below the
-// most significant time unit of ts.
-//   ie, if the input is at ms precision, it will increment it 1µs.
-func (t *tsModder) tsMod(ts time.Time) time.Time {
-	defer func() { t.last = ts }()
-	// don't mod the time if we don't need to
-	if t.last.IsZero() || ts.IsZero() {
-		t.incrn = 0
-		t.rollover = 0
-		return ts
-	}
-	if !ts.Equal(t.last) && !ts.Equal(t.dupe) {
-		t.incr = 0
-		t.incrn = 0
-		t.rollover = 0
-		return ts
-	}
-
-	if ts.Equal(t.last) {
-		t.dupe = ts
-	}
-
-	if ts.Equal(t.dupe) && t.incr == time.Duration(0) {
-		tsNano := ts.UnixNano()
-
-		d := int64(10)
-		counter := 1
-		for {
-			a := tsNano % d
-			if a > 0 {
-				break
-			}
-			d = d * 10
-			counter++
-		}
-
-		switch {
-		case counter <= 6:
-			t.incr = time.Nanosecond
-		case counter <= 9:
-			t.incr = time.Microsecond
-		case counter > 9:
-			t.incr = time.Millisecond
-		}
-	}
-
-	t.incrn++
-	if t.incrn == 999 && t.incr > time.Nanosecond {
-		t.rollover = t.incr * t.incrn
-		t.incrn = 1
-		t.incr = t.incr / 1000
-		if t.incr < time.Nanosecond {
-			t.incr = time.Nanosecond
-		}
-	}
-	return ts.Add(t.incr*t.incrn + t.rollover)
-}

plugins/parsers/grok/parser_test.go

@@ -1,19 +0,0 @@
-package grok
-
-import (
-	"log"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestGrokParse(t *testing.T) {
-	parser := Parser{
-		Measurement: "t_met",
-		Patterns:    []string{"%{COMMON_LOG_FORMAT}"},
-	}
-	parser.Compile()
-	metrics, err := parser.Parse([]byte(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`))
-	log.Printf("metric_tags: %v, metric_fields: %v", metrics[0].Tags(), metrics[0].Fields())
-	assert.NoError(t, err)
-}

plugins/parsers/json/parser.go

@@ -20,6 +20,7 @@ var (
 type JSONParser struct {
 	MetricName  string
 	TagKeys     []string
+	FieldKeys   []string
 	DefaultTags map[string]string
 }
 
@@ -86,6 +87,17 @@ func (p *JSONParser) switchFieldToTag(tags map[string]string, fields map[string]
 		}
 	}
 
+	//if field_keys is specified, only those values should be reported as fields
+	if len(p.FieldKeys) > 0 {
+		nFields := make(map[string]interface{})
+		for _, name := range p.FieldKeys {
+			if fields[name] != nil {
+				nFields[name] = fields[name]
+			}
+		}
+		return tags, nFields
+	}
+
 	//remove any additional string/bool values from fields
 	for k := range fields {
 		switch fields[k].(type) {

plugins/parsers/json/parser_test.go

@@ -1,6 +1,7 @@
 package json
 
 import (
+	"log"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -454,16 +455,22 @@ func TestJSONParseNestedArray(t *testing.T) {
 		"avg_find_time": 4,
 		"tester": "work",
 		"tester2": "don't want this",
-	"tester3": 7.93
+		"tester3": {
+			"hello":"sup",
+			"fun":"money",
+			"break":9
+		}
 	}
 	}`
 
 	parser := JSONParser{
 		MetricName: "json_test",
-		TagKeys:    []string{"total_devices", "total_threads", "shares_tester", "shares_tester3"},
+		TagKeys:    []string{"total_devices", "total_threads", "shares_tester3_fun"},
+		FieldKeys:  []string{"shares_tester", "shares_tester3_break"},
 	}
 
 	metrics, err := parser.Parse([]byte(testString))
+	log.Printf("m[0] name: %v, tags: %v, fields: %v", metrics[0].Name(), metrics[0].Tags(), metrics[0].Fields())
 	require.NoError(t, err)
 	require.Equal(t, len(parser.TagKeys), len(metrics[0].Tags()))
 }

plugins/parsers/registry.go

@@ -8,7 +8,6 @@ import (
 	"github.com/influxdata/telegraf/plugins/parsers/collectd"
 	"github.com/influxdata/telegraf/plugins/parsers/dropwizard"
 	"github.com/influxdata/telegraf/plugins/parsers/graphite"
-	"github.com/influxdata/telegraf/plugins/parsers/grok"
 	"github.com/influxdata/telegraf/plugins/parsers/influx"
 	"github.com/influxdata/telegraf/plugins/parsers/json"
 	"github.com/influxdata/telegraf/plugins/parsers/nagios"
@@ -57,6 +56,8 @@ type Config struct {
 
 	// TagKeys only apply to JSON data
 	TagKeys []string
+	// FieldKeys only apply to JSON
+	FieldKeys []string
 	// MetricName applies to JSON & value. This will be the name of the measurement.
 	MetricName string
 
@@ -88,12 +89,6 @@ type Config struct {
 	// an optional map containing tag names as keys and json paths to retrieve the tag values from as values
 	// used if TagsPath is empty or doesn't return any tags
 	DropwizardTagPathsMap map[string]string
-
-	//grok patterns
-	Patterns           []string
-	NamedPatterns      []string
-	CustomPatterns     string
-	CustomPatternFiles []string
 }
 
 // NewParser returns a Parser interface based on the given config.
@@ -102,8 +97,8 @@ func NewParser(config *Config) (Parser, error) {
 	var parser Parser
 	switch config.DataFormat {
 	case "json":
-		parser, err = NewJSONParser(config.MetricName,
+		parser, err = newJSONParser(config.MetricName,
-			config.TagKeys, config.DefaultTags)
+			config.TagKeys, config.FieldKeys, config.DefaultTags)
 	case "value":
 		parser, err = NewValueParser(config.MetricName,
 			config.DataType, config.DefaultTags)
@@ -127,36 +122,28 @@ func NewParser(config *Config) (Parser, error) {
 			config.DefaultTags,
 			config.Separator,
 			config.Templates)
-	case "grok":
-		parser, err = NewGrokParser(
-			config.MetricName,
-			config.Patterns,
-			config.NamedPatterns,
-			config.CustomPatterns,
-			config.CustomPatternFiles)
 	default:
 		err = fmt.Errorf("Invalid data format: %s", config.DataFormat)
 	}
 	return parser, err
 }
 
-func NewGrokParser(metricName string,
+func newJSONParser(
-	patterns []string,
+	metricName string,
-	nPatterns []string,
+	tagKeys []string,
-	cPatterns string,
+	fieldKeys []string,
-	cPatternFiles []string) (Parser, error) {
+	defaultTags map[string]string,
-	parser := grok.Parser{
+) (Parser, error) {
-		Measurement:        metricName,
+	parser := &json.JSONParser{
-		Patterns:           patterns,
+		MetricName:  metricName,
-		NamedPatterns:      nPatterns,
+		TagKeys:     tagKeys,
-		CustomPatterns:     cPatterns,
+		FieldKeys:   fieldKeys,
-		CustomPatternFiles: cPatternFiles,
+		DefaultTags: defaultTags,
 	}
-
+	return parser, nil
-	parser.Compile()
-	return &parser, nil
 }
 
+//Deprecated: Use NewParser to get a JSONParser object
 func NewJSONParser(
 	metricName string,
 	tagKeys []string,