Merge pull request #1 from ClusterCockpit/dev-jan

Go Modules and further changes

clusterdaemon.go

@@ -4,15 +4,15 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+
 	//    "context"
+	"encoding/json"
+	"path/filepath"
+	"sort"
 	"strings"
 	"time"
-    "sort"
-    "path/filepath"
-    "encoding/json"
 )
 
-
 type GlobalConfig struct {
 	Sink struct {
 		User     string `json:"user"`
@@ -34,7 +34,7 @@ type GlobalConfig struct {
 			Duration  int `json:"duration"`
 		} `json:"node"`
 	} `json:"schedule"`
-    Metrics string `json:"metrics"`
+	Metrics       []string `json:"metrics"`
 	CollectorPath string   `json:"collector_path"`
 }
 
@@ -102,7 +102,7 @@ func CreatePoint(metricname string, tags map[string]string, fields map[string]in
 	taglist := SortStringStringMap(tags)
 	fieldlist := SortStringInterfaceMap(fields)
 
-    if (len(taglist) > 0) {
+	if len(taglist) > 0 {
 		fmt.Fprintf(&s, "%s,%s %s %d", metricname, strings.Join(taglist, ","), strings.Join(fieldlist, ","), timestamp)
 	} else {
 		fmt.Fprintf(&s, "%s %s %d", metricname, strings.Join(fieldlist, ","), timestamp)
@@ -137,7 +137,7 @@ func GetSingleCollector(folders *[]string) filepath.WalkFunc {
 		if err != nil {
 			panic(err)
 		}
-        if (info.IsDir()) {
+		if info.IsDir() {
 			configfile := filepath.Join(path, "config.json")
 			if _, err := os.Stat(configfile); err == nil {
 				*folders = append(*folders, path)
@@ -171,16 +171,15 @@ func main() {
 	//    fmt.Println(CreatePoint("flops_any", tags, fields, time.Now().UnixNano()))
 	var config GlobalConfig
 	LoadGlobalConfiguration("config.json", &config)
-//    fmt.Println(config)
+
 	var folders []string
 	GetCollectorFolders(config.CollectorPath, &folders)
-//    fmt.Println(folders)
+
 	for _, path := range folders {
 		var col_config CollectorConfig
-        configfile := filepath.Join(path, "config.json")
-        LoadCollectorConfiguration(configfile, &col_config)
-        cmd := filepath.Join(path, col_config.Command)
-        stdout := run_cmd(cmd, col_config.Args)
+		LoadCollectorConfiguration(filepath.Join(path, "config.json"), &col_config)
+		stdout := run_cmd(filepath.Join(path, col_config.Command), col_config.Args)
+
 		metrics := strings.Split(stdout, "\n")
 		for _, m := range metrics {
 			if len(m) > 0 {
@@ -193,7 +192,5 @@ func main() {
 				fmt.Println("SEND", m)
 			}
 		}
-        
 	}
-    
 }

collectors/likwid.go

@@ -0,0 +1,64 @@
+package collectors
+
+import (
+	"bytes"
+	"fmt"
+	"time"
+
+	protocol "github.com/influxdata/line-protocol"
+)
+
+type LikwidCollector struct {
+	name    string
+	tags    []*protocol.Tag
+	fields  []*protocol.Field
+	t       time.Time
+	encoder *protocol.Encoder
+}
+
+func (c *LikwidCollector) Name() string {
+	return c.name
+}
+func (c *LikwidCollector) TagList() []*protocol.Tag {
+	return c.tags
+}
+
+func (c *LikwidCollector) FieldList() []*protocol.Field {
+	return c.fields
+}
+
+func (c *LikwidCollector) Time() time.Time {
+	return c.t
+}
+
+func (c *LikwidCollector) New() {
+	buf := &bytes.Buffer{}
+	c.encoder = protocol.NewEncoder(buf)
+	c.encoder.SetMaxLineBytes(1024)
+}
+
+func (c *LikwidCollector) Start(
+	level string,
+	frequency time.Duration,
+	duration int) {
+	ticker := time.NewTicker(frequency * time.Second)
+	done := make(chan bool)
+
+	go func() {
+		for {
+			select {
+			case <-done:
+				return
+			case t := <-ticker.C:
+				fmt.Println("Tick at", t)
+
+				c.encoder.Encode(c)
+			}
+		}
+	}()
+
+	time.Sleep(1600 * time.Second)
+	ticker.Stop()
+	done <- true
+	fmt.Println("Ticker stopped")
+}

go.mod

@@ -0,0 +1,5 @@
+module github.com/ClusterCockpit/cc-metric-collector
+
+go 1.16
+
+require github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097

go.sum

@@ -0,0 +1,2 @@
+github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 h1:vilfsDSy7TDxedi9gyBkMvAirat/oRcL0lFdJBf6tdM=
+github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097/go.mod h1:xaLFMmpvUxqXtVkUJfg9QmT88cDaCJ3ZKgdZ78oO8Qo=