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Merged
merged 3 commits into from
May 9, 2025
Merged

chore: metrics table file path error #16

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27355a8
chore: metrics table file path error
paomian May 9, 2025
da43138
chore: add root command for project
paomian May 9, 2025
814d75a
chore: change tools name
paomian May 9, 2025
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5 changes: 4 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,15 +1,18 @@
FROM golang:1.23 as builder

ENV LANG en_US.utf8

WORKDIR /metrics-loader

# RUN go env -w GOPROXY=https://goproxy.cn,direct

COPY . .
RUN make

FROM ubuntu:22.04 as base

WORKDIR /metrics-loader
COPY configs /configs
COPY --from=builder /metrics-loader/bin/sample_loader /usr/local/bin/
COPY --from=builder /metrics-loader/bin/* /usr/local/bin/

ENTRYPOINT ["sample_loader"]
302 changes: 2 additions & 300 deletions cmd/config_modifier/main.go
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Original file line number Diff line number Diff line change
@@ -1,312 +1,14 @@
package main

import (
"bufio"
"fmt"
"log"
"math"
"metrics-bench-suite/pkg/samples"
"os"
"slices"
"strconv"
"strings"

"github.com/spf13/cobra"
"gopkg.in/yaml.v3"
"metrics-bench-suite/pkg/cmd/config_modifier"
)

// ConfigModifier is a tool that modifies the config file to meet the target time series number.
type ConfigModifier struct {
ConfigPath string
OutputPath string
TargetSeries int
NumPods int
NumNodes int
NumInstances int
NumNamespaces int
NumWorkloads int
ExpectTimeseries string
}

var queryLabels = map[string]string{
"pod": "pod",
"node": "node",
"instance": "instance",
"namespace": "namespace",
"type": "type",
"cluster": "cluster",
"resource": "resource",
"job": "job",
"workload_type": "workload_type",
"workload": "workload",
"device": "device",
"metrics_path": "metrics_path",
"le": "le",
"state": "state",
"code": "code",
}

var largeSeriesMetrics = []string{
"go_goroutines",
"process_cpu_seconds_total",
"process_resident_memory_bytes",
"rest_client_requests_total",
"process_resident_memory_bytes",
"kube_node_status_allocatable",
}

// parseExpectTimeseries parses the expect timeseries file and returns a map of metric name to expected timeseries number
func parseExpectTimeseries(expectTimeseriesPath string) (map[string]int, error) {
if expectTimeseriesPath == "" {
return map[string]int{}, nil
}

file, err := os.Open(expectTimeseriesPath)
if err != nil {
return nil, err
}
defer file.Close()
data := make(map[string]int)

scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if line == "" {
continue
}

if strings.HasSuffix(line, "{}") {
key := line[:len(line)-2]

if !scanner.Scan() {
return nil, fmt.Errorf("unexpected end of file")
}

valueStr := strings.TrimSpace(scanner.Text())
value, err := strconv.Atoi(valueStr)
if err != nil {
return nil, fmt.Errorf("error parsing value: %s, %v", valueStr, err)
}

data[key] = value
}
}

if err := scanner.Err(); err != nil {
return nil, fmt.Errorf("error reading file: %v", err)
}

return data, nil
}

func (c *ConfigModifier) run(cmd *cobra.Command, args []string) error {
var err error
c.ConfigPath, err = cmd.Flags().GetString("config")
if err != nil {
return err
}
c.OutputPath, err = cmd.Flags().GetString("output")
if err != nil {
return err
}

c.TargetSeries, err = cmd.Flags().GetInt("target-series")
if err != nil {
return err
}
c.NumPods, err = cmd.Flags().GetInt("num-pods")
if err != nil {
return err
}
c.NumNodes, err = cmd.Flags().GetInt("num-nodes")
if err != nil {
return err
}
c.NumInstances, err = cmd.Flags().GetInt("num-instances")
if err != nil {
return err
}
c.NumNamespaces, err = cmd.Flags().GetInt("num-namespaces")
if err != nil {
return err
}
c.NumWorkloads, err = cmd.Flags().GetInt("num-workloads")
if err != nil {
return err
}
c.ExpectTimeseries, err = cmd.Flags().GetString("expect-timeseries")
if err != nil {
return err
}
fileConfigs, err := samples.WalkAndParseConfig(c.ConfigPath)
if err != nil {
return err
}

expectTimeseries, err := parseExpectTimeseries(c.ExpectTimeseries)
if err != nil {
return err
}

allFilesTags := 0
for _, fileConfig := range fileConfigs {
totalSeries := 1

for i := range len(fileConfig.Config.Tags) {
if strings.ToLower(fileConfig.Config.Tags[i].Name) == "pod" {
pod := "pod-"
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "replica_string",
Replica: &c.NumPods,
ReplicaPrefix: &pod,
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "node" {
node := "node-"
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "replica_string",
Replica: &c.NumNodes,
ReplicaPrefix: &node,
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "instance" {
instance := "instance-"
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "replica_string",
Replica: &c.NumInstances,
ReplicaPrefix: &instance,
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "namespace" {
namespace := "app-"
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "replica_string",
Replica: &c.NumNamespaces,
ReplicaPrefix: &namespace,
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "workload" {
workload := "workload-"
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "replica_string",
Replica: &c.NumWorkloads,
ReplicaPrefix: &workload,
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "name" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "name0",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "id" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "id0",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "image" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "image0",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "pod_ip" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "10.0.0.0",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "node_ip" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "10.0.0.0",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "uid" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "f5a3af84-221f-486f-821f-1fbd61b5ede2",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "device" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "/dev/nvme0n1",
}
} else if strings.ToLower(fileConfig.Config.Tags[i].Name) == "container" {
fileConfig.Config.Tags[i].Dist = samples.Distribution{
Type: "constant_string",
Value: "container0",
}
}
}
for _, tag := range fileConfig.Config.Tags {
totalSeries *= len(tag.Dist.LabelGenerator().All())
}

maxNDV := math.Log(float64(c.TargetSeries)) / math.Log(float64(len(fileConfig.Config.Tags)))
if slices.Contains(largeSeriesMetrics, fileConfig.Name) {
maxNDV = 1
}
if !strings.HasPrefix(fileConfig.Name, "ahead_") {
for i := range len(fileConfig.Config.Tags) {
label := strings.ToLower(fileConfig.Config.Tags[i].Name)
if _, exists := queryLabels[label]; !exists {
fileConfig.Config.Tags[i].Dist.SetReplica(int(maxNDV), label)
}
}
}

totalSeries = 1
for _, tag := range fileConfig.Config.Tags {
totalSeries *= len(tag.Dist.LabelGenerator().All())
}
allFilesTags += totalSeries
if totalSeries > c.TargetSeries {
log.Printf("Processing file: %s, total series: %d, tags: %d", fileConfig.Name, totalSeries, len(fileConfig.Config.Tags))
}

if expectedSeries, exists := expectTimeseries[fileConfig.Name]; exists {
if totalSeries != expectedSeries {
log.Printf("Processing file: %s, total series: %d, expected series: %d", fileConfig.Name, totalSeries, expectedSeries)
}
}
}

log.Printf("All files time series: %d", allFilesTags)

err = os.MkdirAll(c.OutputPath, 0755)
if err != nil {
return err
}

for _, fileConfig := range fileConfigs {
data, err := yaml.Marshal(fileConfig.Config)
if err != nil {
return err
}

filename := fmt.Sprintf("%s/%s.yaml", c.OutputPath, fileConfig.Name)
err = os.WriteFile(filename, data, 0644)
if err != nil {
return err
}
}

return nil
}

func main() {
configModifier := &ConfigModifier{}

var rootCmd = &cobra.Command{
Use: "config_modifier",
Short: "ConfigModifier is a tool to modify the config file",
Run: func(cmd *cobra.Command, args []string) {
if err := configModifier.run(cmd, args); err != nil {
log.Fatalf("Error: %v", err)
}
},
}
rootCmd.Flags().StringP("config", "c", "", "The path to the config file")
rootCmd.Flags().StringP("output", "o", "", "The output file")
rootCmd.Flags().IntP("num-pods", "p", 2, "The number of pods")
rootCmd.Flags().IntP("num-nodes", "n", 5, "The number of nodes")
rootCmd.Flags().IntP("num-instances", "i", 5, "The number of instances")
rootCmd.Flags().IntP("num-namespaces", "N", 50, "The number of namespaces")
rootCmd.Flags().IntP("num-workloads", "w", 4, "The number of workloads")
rootCmd.Flags().IntP("target-series", "t", 10000, "The target time series number for each metric")
rootCmd.Flags().StringP("expect-timeseries", "e", "", "The expected time series number for each metric")
var rootCmd = config_modifier.NewCommand()

if err := rootCmd.Execute(); err != nil {
log.Fatalf("Error: %v", err)
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