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metric.go
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/
metric.go
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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package query
import (
"flag"
"fmt"
"os"
"path"
"sync"
"time"
"github.com/apache/skywalking-cli/pkg/graphql/metrics"
"github.com/apache/skywalking-cli/pkg/graphql/utils"
"github.com/urfave/cli/v2"
api "skywalking.apache.org/repo/goapi/query"
)
var (
isNormal = true
serviceTpl = "g%d::service_0"
)
// ServiceList verifies the service list.
func ServiceList(basePath string, timeout time.Duration, groupNum int, fs *flag.FlagSet) {
basePath = path.Join(basePath, "svc-list")
err := os.MkdirAll(basePath, 0o755)
if err != nil {
panic(err)
}
stopCh := make(chan struct{})
go func() {
time.Sleep(timeout)
close(stopCh)
}()
metricNames := []string{"service_sla", "service_cpm", "service_resp_time", "service_apdex"}
size := len(metricNames) * groupNum
header := make([]string, size)
for k, mName := range metricNames {
for i := 0; i < groupNum; i++ {
offset := k*groupNum + i
header[offset] = fmt.Sprintf("%s-%d", mName, i)
}
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
collect(basePath, func() ([]float64, error) {
data := make([]float64, size)
var subWg sync.WaitGroup
for k, mName := range metricNames {
for i := 0; i < groupNum; i++ {
offset := k*groupNum + i
svc := fmt.Sprintf(serviceTpl, i)
subWg.Add(1)
go func(mName, svc string) {
defer subWg.Done()
d, err := execute(mName, svc, "", fs)
if err != nil {
fmt.Printf("query metric %s %s error: %v \n", mName, svc, err)
}
data[offset] = d.Seconds()
}(mName, svc)
}
}
subWg.Wait()
return data, nil
}, 500*time.Millisecond, stopCh)
analyze(header, basePath)
}()
wg.Wait()
}
func execute(exp, svc, instance string, fs *flag.FlagSet) (time.Duration, error) {
ctx := cli.NewContext(cli.NewApp(), fs, nil)
entity := &api.Entity{
ServiceName: &svc,
Normal: &isNormal,
ServiceInstanceName: &instance,
}
duration := api.Duration{
Start: time.Now().Add(-30 * time.Minute).Format(utils.StepFormats[api.StepMinute]),
End: time.Now().Format(utils.StepFormats[api.StepMinute]),
Step: api.StepMinute,
}
start := time.Now()
result, err := metrics.Execute(ctx, exp, entity, duration)
elapsed := time.Since(start)
if err != nil {
return 0, err
}
if len(result.Results) < 1 {
return 0, fmt.Errorf("no result")
}
return elapsed, nil
}
// TopN verifies the top N.
func TopN(basePath string, timeout time.Duration, groupNum int, fs *flag.FlagSet) {
basePath = path.Join(basePath, "topn")
err := os.MkdirAll(basePath, 0o755)
if err != nil {
panic(err)
}
stopCh := make(chan struct{})
go func() {
time.Sleep(timeout)
close(stopCh)
}()
metricNames := []string{"service_instance_resp_time", "service_instance_cpm"}
size := len(metricNames) * groupNum
header := make([]string, size)
for k, mName := range metricNames {
for i := 0; i < groupNum; i++ {
offset := k*groupNum + i
header[offset] = fmt.Sprintf("%s-%d", mName, i)
}
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
collect(basePath, func() ([]float64, error) {
data := make([]float64, size)
var subWg sync.WaitGroup
for k, mName := range metricNames {
for i := 0; i < groupNum; i++ {
offset := k*groupNum + i
svc := fmt.Sprintf(serviceTpl, i)
subWg.Add(1)
go func(mName, svc string) {
defer subWg.Done()
d, err := sortMetrics(mName, svc, 5, api.OrderDes, fs)
if err != nil {
data[offset] = -1
fmt.Printf("query metric %s %s error: %v \n", mName, svc, err)
} else {
data[offset] = d.Seconds()
}
}(mName, svc)
}
}
subWg.Wait()
return data, nil
}, 500*time.Millisecond, stopCh)
analyze(header, basePath)
}()
wg.Wait()
}
func sortMetrics(name, svc string, limit int, order api.Order, fs *flag.FlagSet) (time.Duration, error) {
ctx := cli.NewContext(cli.NewApp(), fs, nil)
duration := api.Duration{
Start: time.Now().Add(-30 * time.Minute).Format(utils.StepFormats[api.StepMinute]),
End: time.Now().Format(utils.StepFormats[api.StepMinute]),
Step: api.StepMinute,
}
scope := api.ScopeServiceInstance
cond := api.TopNCondition{
Name: name,
ParentService: &svc,
Normal: &isNormal,
Scope: &scope,
TopN: limit,
Order: order,
}
start := time.Now()
result, err := metrics.SortMetrics(ctx, cond, duration)
elapsed := time.Since(start)
if err != nil {
return 0, err
}
if len(result) < 1 {
return 0, fmt.Errorf("no result")
}
return elapsed, nil
}