ClusterCockpit/cc-metric-collector
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Thomas Roehl 2021-03-25 14:45:15 +01:00
parent 6fbaf21841
commit da7faad595
6 changed files with 0 additions and 637 deletions
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320
clusterdaemon.go
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@ -1,320 +0,0 @@
package main
import (
"fmt"
"os"
"os/exec"
//"bytes"
// "context"
"encoding/json"
"path/filepath"
//"sort"
"errors"
"strings"
"time"
protocol "github.com/influxdata/line-protocol"
)
type GlobalConfig struct {
Sink struct {
User string `json:"user"`
Password string `json:"password"`
} `json:"sink"`
Host string `json:"host"`
Port string `json:"port"`
Report struct {
Levels string `json:"levels"`
Interval int `json:"interval"`
} `json:"report"`
Schedule struct {
Core struct {
Frequency int `json:"frequency"`
Duration int `json:"duration"`
} `json:"core"`
Node struct {
Frequency int `json:"frequency"`
Duration int `json:"duration"`
} `json:"node"`
} `json:"schedule"`
Metrics []string `json:"metrics"`
CollectorPath string `json:"collector_path"`
}
type CollectorConfig struct {
Command string `json:"command"`
Args string `json:"arguments"`
Provides []string `json:"provides"`
}
type InternalCollectorConfig struct {
Config CollectorConfig
Location string
LastRun time.Time
encoder *protocol.Encoder
}
//////////////////////////////////////////////////////////////////////////////
// Load global configuration from JSON file
//////////////////////////////////////////////////////////////////////////////
func LoadGlobalConfiguration(file string, config *GlobalConfig) error {
configFile, err := os.Open(file)
defer configFile.Close()
if err != nil {
return err
}
jsonParser := json.NewDecoder(configFile)
jsonParser.Decode(config)
return err
}
//////////////////////////////////////////////////////////////////////////////
// Load collector configuration from JSON file
//////////////////////////////////////////////////////////////////////////////
func LoadCollectorConfiguration(file string, config *CollectorConfig) error {
configFile, err := os.Open(file)
defer configFile.Close()
if err != nil {
return err
}
jsonParser := json.NewDecoder(configFile)
jsonParser.Decode(config)
return err
}
//////////////////////////////////////////////////////////////////////////////
// Load collector configurations
//////////////////////////////////////////////////////////////////////////////
func GetSingleCollector(folders *[]string) filepath.WalkFunc {
return func(path string, info os.FileInfo, err error) error {
if info.IsDir() {
configfile := filepath.Join(path, "config.json")
if _, err := os.Stat(configfile); err == nil {
// TODO: Validate config?
p, err := filepath.Abs(path)
if err == nil {
*folders = append(*folders, p)
}
}
}
return nil
}
}
func GetCollectorFolders(root string, folders *[]string) error {
err := filepath.Walk(root, GetSingleCollector(folders))
if err != nil {
err = errors.New("Cannot get collectors")
}
return err
}
//////////////////////////////////////////////////////////////////////////////
// Setup all collectors
//////////////////////////////////////////////////////////////////////////////
func SetupCollectors(config GlobalConfig) ([]InternalCollectorConfig, error) {
var folders []string
var outconfig []InternalCollectorConfig
//encoder := protocol.NewEncoder(buf)
//encoder.SetMaxLineBytes(1024)
GetCollectorFolders(config.CollectorPath, &folders)
for _, path := range folders {
var col_config InternalCollectorConfig
LoadCollectorConfiguration(filepath.Join(path, "config.json"), &col_config.Config)
col_config.LastRun = time.Now()
col_config.Location = path
//buf := &bytes.Buffer{}
//col_config.Encoder := protocol.NewEncoder(buf)
//col_config.Encoder.SetMaxLineBytes(1024)
outconfig = append(outconfig, col_config)
}
return outconfig, nil
}
//////////////////////////////////////////////////////////////////////////////
// Run collector
//////////////////////////////////////////////////////////////////////////////
func RunCollector(config InternalCollectorConfig) ([]string, error) {
var results []string
var err error
cmd := config.Config.Command
if _, err = os.Stat(cmd); err != nil {
//fmt.Println(err.Error())
if !strings.HasPrefix(cmd, "/") {
cmd = filepath.Join(config.Location, config.Config.Command)
if _, err = os.Stat(cmd); err != nil {
//fmt.Println(err.Error())
cmd, err = exec.LookPath(config.Config.Command)
}
}
}
if err != nil {
fmt.Println(err.Error())
return results, err
}
// TODO: Add timeout
command := exec.Command(cmd, config.Config.Args)
command.Dir = config.Location
command.Wait()
stdout, err := command.Output()
if err != nil {
//log.error(err.Error())
fmt.Println(err.Error())
return results, err
}
lines := strings.Split(string(stdout), "\n")
for _, l := range lines {
if strings.HasPrefix(l, "#") {
continue
}
results = append(results, l)
}
return results, err
}
//////////////////////////////////////////////////////////////////////////////
// Setup sink
//////////////////////////////////////////////////////////////////////////////
func SetupSink(config GlobalConfig) chan string {
c := make(chan string, 300)
// TODO: Setup something for sending? Establish HTTP connection?
return c
}
func RunSink(config GlobalConfig, queue *chan string) (*time.Ticker, chan bool) {
interval := time.Duration(config.Report.Interval) * time.Second
ticker := time.NewTicker(interval)
done := make(chan bool)
go func() {
for {
select {
case <-done:
return
case t := <-ticker.C:
fmt.Println("SinkTick at", t)
empty := false
var batch []string
for empty == false {
select {
case metric := <-*queue:
fmt.Println(metric)
batch = append(batch, metric)
default:
// No metric available, wait for the next iteration
empty = true
break
}
}
for _, m := range batch {
fmt.Println(m)
}
}
}
}()
return ticker, done
}
func CloseSink(config GlobalConfig, queue *chan string, ticker *time.Ticker, done chan bool) {
ticker.Stop()
done <- true
close(*queue)
}
func MainLoop(config GlobalConfig, sink *chan string) (*time.Ticker, chan bool) {
var intConfig []InternalCollectorConfig
intConfig, err := SetupCollectors(config)
if err != nil {
panic(err)
}
interval := time.Duration(config.Schedule.Node.Frequency) * time.Second
ticker := time.NewTicker(time.Second)
done := make(chan bool)
go func() {
for {
select {
case <-done:
return
case t := <-ticker.C:
fmt.Println("CollectorTick at", t)
unix := time.Now()
for i, _ := range intConfig {
if time.Duration(unix.Sub(intConfig[i].LastRun)) > interval {
res, err := RunCollector(intConfig[i])
if err != nil {
//log.error("Collector failed: ", err.Error())
} else {
//TODO: parse and skip in case of error, encode to []string
for _, r := range res {
if len(r) > 0 {
*sink <- r
}
}
}
intConfig[i].LastRun = time.Now()
}
}
}
}
}()
return ticker, done
}
func main() {
// fmt.Println("Hello")
// cmd_opts := []string{"la","le","lu"}
// cmd := "echo"
// s := run_cmd(cmd, cmd_opts)
// fmt.Println(s)
// tags := map[string]string {
// "host" : "broadep2",
// }
// fields := map[string]interface{} {
// "value" : float64(1.0),
// }
// fmt.Println(CreatePoint("flops_any", tags, fields, time.Now().UnixNano()))
var config GlobalConfig
LoadGlobalConfiguration("config.json", &config)
queue := SetupSink(config)
sinkTicker, sinkDone := RunSink(config, &queue)
collectTicker, collectDone := MainLoop(config, &queue)
time.Sleep(1600 * time.Second)
collectTicker.Stop()
collectDone <- true
CloseSink(config, &queue, sinkTicker, sinkDone)
// var folders []string
// GetCollectorFolders(config.CollectorPath, &folders)
// for _, path := range folders {
// var col_config CollectorConfig
// 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 {
// t := strings.Fields(m)
// if len(t) == 2 {
// var s strings.Builder
// fmt.Fprintf(&s, "%s %d", m, time.Now().UnixNano())
// m = s.String()
// }
// fmt.Println("SEND", m)
// }
// }
// }
}

190
clusterdaemon_simple.go
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@ -1,190 +0,0 @@
package main
import (
"fmt"
"strings"
"io/ioutil"
"os"
"os/signal"
"strconv"
"time"
)
// geht nicht
//enum CollectScope {
// Node: 0,
// Socket,
// Die,
// LLC,
// NUMA,
// Core,
// HWThread
//}
//var scopeNames = map[CollectScope]string{
// Node: "Node",
// Socket: "Socket",
// Die: "Die",
// LLC: "LLC",
// NUMA: "NUMA",
// Core: "Core",
// HWThread: "HWThread"
//}
type CollectValue struct {
Name string
Value interface{}
//scope CollectScope
}
type InitFunc func() error
type ReadFunc func(time.Duration) ([]CollectValue, error)
type CloseFunc func() error
type SinkFunc func([]CollectValue) error
func read_memavg(duration time.Duration) ([]CollectValue, error) {
var values []CollectValue
data, err := ioutil.ReadFile("/proc/meminfo")
if err != nil {
fmt.Println(err.Error())
return values, err
}
var matches = map[string]string {
"MemTotal" : "mem_total",
"MemAvailable" : "mem_avail",
"MemFree" : "mem_free",
}
lines := strings.Split(string(data), "\n")
for _, l := range lines {
for i,o := range matches {
if strings.HasPrefix(l, i) {
f := strings.Fields(l)
v, err := strconv.ParseInt(f[1], 10, 0)
if err == nil {
var value CollectValue
// value.Scope = Node
value.Name = o
value.Value = v
values = append(values, value)
}
}
}
}
return values, nil
}
func read_loadavg(duration time.Duration) ([]CollectValue, error) {
var values []CollectValue
data, err := ioutil.ReadFile("/proc/loadavg")
if err != nil {
fmt.Println(err.Error())
return values, err
}
var matches = map[int]string {
0 : "loadavg1m",
1 : "loadavg5m",
2 : "loadavg15m",
}
f := strings.Fields(string(data))
for i, m := range matches {
v, err := strconv.ParseFloat(f[i], 64)
if err == nil {
var value CollectValue
value.Name = m
value.Value = v
// value.Scope = Node
values = append(values, value)
}
}
return values, nil
}
func read_netstat(duration time.Duration) ([]CollectValue, error) {
var values []CollectValue
data, err := ioutil.ReadFile("/proc/net/dev")
if err != nil {
fmt.Println(err.Error())
return values, err
}
var matches = map[int]string {
1 : "bytes_in",
9 : "bytes_out",
2 : "pkts_in",
10 : "pkts_out",
}
lines := strings.Split(string(data), "\n")
for _, l := range lines {
if ! strings.Contains(l, ":") {
continue
}
f := strings.Fields(l)
dev := f[0][0:len(f[0])-1]
if dev == "lo" {
continue
}
for i, m := range matches {
v, err := strconv.ParseInt(f[i], 10, 0)
if err == nil {
var value CollectValue
value.Name = fmt.Sprintf("%s_%s", dev, m)
value.Value = v
//value.Scope = Node
values = append(values, value)
}
}
}
return values, nil
}
func Send(values []CollectValue) error {
for _, v := range values {
fmt.Printf("Name: '%s' Value: '%v'\n", v.Name, v.Value)
}
return nil
}
func ReadAll(duration time.Duration, reads []ReadFunc, sink SinkFunc) {
for _, f := range reads {
values, err := f(duration)
if err == nil {
sink(values)
}
}
}
func ReadLoop(interval time.Duration, duration time.Duration, reads []ReadFunc, sink SinkFunc) {
ticker := time.NewTicker(interval)
done := make(chan bool)
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, os.Interrupt)
ReadAll(duration, reads, sink)
go func() {
<-sigs
// Should call all CloseFunc functions here
os.Exit(1)
}()
func() {
select {
case <-done:
return
case t := <-ticker.C:
fmt.Println("Tick at", t)
ReadAll(duration, reads, sink)
}
}()
ticker.Stop()
done <- true
}
func main() {
//var inits []InitFunc
var reads = []ReadFunc {read_memavg, read_loadavg, read_netstat}
//var closes []CloseFunc
var duration time.Duration
var interval time.Duration
duration = time.Duration(1) * time.Second
interval = time.Duration(10) * time.Second
ReadLoop(interval, duration, reads, Send)
return
}

64
collectors/likwid.go
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@ -1,64 +0,0 @@
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")
}

3
collectors/memavg/config.json
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@ -1,3 +0,0 @@
{
"command": "read_memavg.sh"
}

48
collectors/memavg/read_memavg.go
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@ -1,48 +0,0 @@
package main
import (
"strings"
"io/ioutil"
"fmt"
"time"
"os"
"strconv"
)
func main() {
t := time.Now()
hostname, err := os.Hostname()
if err != nil {
fmt.Println("#", err)
os.Exit(1)
}
hostname = strings.Split(hostname, ".")[0]
data, err := ioutil.ReadFile("/proc/meminfo")
if err != nil {
fmt.Println("#", err)
os.Exit(1)
return
}
lines := strings.Split(string(data), "\n")
for _, l := range lines {
if strings.HasPrefix(l, "MemTotal") {
f := strings.Fields(l)
v, err := strconv.ParseInt(f[1], 10, 0)
if err == nil {
fmt.Printf("mem_total,hostname=%s value=%v %v\n", hostname, v*1024, t.UnixNano())
}
} else if strings.HasPrefix(l, "MemAvailable") {
f := strings.Fields(l)
v, err := strconv.ParseInt(f[1], 10, 0)
if err == nil {
fmt.Printf("mem_avail,hostname=%s value=%v %v\n", hostname, v*1024, t.UnixNano())
}
} else if strings.HasPrefix(l, "MemFree") {
f := strings.Fields(l)
v, err := strconv.ParseInt(f[1], 10, 0)
if err == nil {
fmt.Printf("mem_free,hostname=%s value=%v %v\n", hostname, v*1024, t.UnixNano())
}
}
}
return
}

12
collectors/memavg/read_memavg.sh
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#!/bin/bash
TOTAL=$(grep "MemTotal" /proc/meminfo | awk '{print $2}')
AVAIL=$(grep "MemAvailable" /proc/meminfo | awk '{print $2}')
FREE=$(grep "MemFree" /proc/meminfo | awk '{print $2}')
HOST=$(hostname -s)
echo "mem_total,host=$HOST value=$TOTAL"
echo "mem_avail,host=$HOST value=$AVAIL"
echo "mem_free,host=$HOST value=$FREE"