/
benchmarkimpl.go
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/
benchmarkimpl.go
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package benchmarkservice
/*
Copyright 2019 - 2020 Crunchy Data Solutions, Inc.
Licensed 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.
*/
import (
"bufio"
"bytes"
"errors"
"fmt"
"io/ioutil"
"strconv"
"strings"
"time"
crv1 "github.com/crunchydata/postgres-operator/apis/cr/v1"
"github.com/crunchydata/postgres-operator/apiserver"
msgs "github.com/crunchydata/postgres-operator/apiservermsgs"
"github.com/crunchydata/postgres-operator/config"
"github.com/crunchydata/postgres-operator/kubeapi"
"github.com/crunchydata/postgres-operator/util"
log "github.com/sirupsen/logrus"
"k8s.io/api/core/v1"
meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// ShowBenchmark ...
func ShowBenchmark(request *msgs.ShowBenchmarkRequest) msgs.ShowBenchmarkResponse {
log.Debug("Show Benchmark called")
br := &msgs.ShowBenchmarkResponse{
Status: msgs.Status{
Code: msgs.Ok,
Msg: "",
},
Results: make([]string, 0),
}
if err := request.Validate(); err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("invalid show benchmark request: %s", err)
return *br
}
selector := fmt.Sprintf("%s=true,", config.LABEL_PGO_BENCHMARK)
if request.ClusterName != "" {
selector += fmt.Sprintf("%s=%s", config.LABEL_PG_CLUSTER, request.ClusterName)
} else if request.Selector != "" {
selector += request.Selector
}
pods, err := kubeapi.GetPods(apiserver.Clientset, selector, request.Namespace)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("error retrieving benchmark pods: %s", err)
return *br
}
if len(pods.Items) == 0 {
br.Status.Code = msgs.Error
br.Status.Msg = errors.New("no benchmark jobs found").Error()
return *br
}
for _, pod := range pods.Items {
opts := v1.PodLogOptions{
Container: "pgbench",
}
var logs bytes.Buffer
err := kubeapi.GetLogs(apiserver.Clientset, opts, &logs, pod.Name, request.Namespace)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = errors.New("no benchmarks jobs found").Error()
return *br
}
results := fmt.Sprintf("Results for %s:\n", pod.Labels["job-name"])
scanner := bufio.NewScanner(strings.NewReader(logs.String()))
for scanner.Scan() {
results += fmt.Sprintf("\t%s\n", scanner.Text())
}
br.Results = append(br.Results, results)
}
return *br
}
// DeleteBenchmark ...
func DeleteBenchmark(request *msgs.DeleteBenchmarkRequest) msgs.DeleteBenchmarkResponse {
log.Debug("Delete Benchmark called")
br := &msgs.DeleteBenchmarkResponse{
Status: msgs.Status{
Code: msgs.Ok,
Msg: "",
},
Results: make([]string, 0),
}
if err := request.Validate(); err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Invalid delete benchmark request: %s", err)
return *br
}
selector := fmt.Sprintf("%s=true,", config.LABEL_PGO_BENCHMARK)
if request.ClusterName != "" {
selector += fmt.Sprintf("%s=%s", config.LABEL_PG_CLUSTER, request.ClusterName)
} else if request.Selector != "" {
selector += request.Selector
}
jobs, err := kubeapi.GetJobs(apiserver.Clientset, selector, request.Namespace)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Could not get benchmark jobs: %s", err)
return *br
}
for _, job := range jobs.Items {
err := kubeapi.DeleteJob(apiserver.Clientset, job.Name, request.Namespace)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Could not delete benchmark job %s: %s", job.Name, err)
return *br
}
msg := fmt.Sprintf("deleted benchmark %s", job.Name)
br.Results = append(br.Results, msg)
}
err = kubeapi.Deletepgtasks(apiserver.RESTClient, selector, request.Namespace)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Could not delete benchmark pgtasks: %s", err)
}
return *br
}
// CreateBenchmark ...
func CreateBenchmark(request *msgs.CreateBenchmarkRequest, ns, pgouser string) msgs.CreateBenchmarkResponse {
br := &msgs.CreateBenchmarkResponse{
Status: msgs.Status{
Code: msgs.Ok,
Msg: "",
},
Results: make([]string, 0),
}
if err := request.Validate(); err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Invalid create benchmark request: %s", err)
return *br
}
log.Debug("Getting cluster")
var selector string
if request.ClusterName != "" {
selector = fmt.Sprintf("%s=%s", config.LABEL_PG_CLUSTER, request.ClusterName)
} else if request.Selector != "" {
selector = request.Selector
}
clusterList := crv1.PgclusterList{}
err := kubeapi.GetpgclustersBySelector(apiserver.RESTClient, &clusterList, selector, ns)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Could not get cluster via selector: %s", err)
return *br
}
timeNow := time.Now().Format(time.RFC3339)
for _, cluster := range clusterList.Items {
uid := util.RandStringBytesRmndr(4)
taskName := fmt.Sprintf("benchmark-%s-%s", cluster.Name, uid)
configMapName := fmt.Sprintf("%s-tx", taskName)
configMapName, err := createConfigMapFromPolicy(request.Policy, configMapName, ns)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = err.Error()
return *br
}
workflowID, err := createWorkflowTask(cluster.Name, uid, ns)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Errorf("could not create benchmark workflow task: %s", err).Error()
return *br
}
benchmark := benchmarkTask{
benchmarkOpts: request.BenchmarkOpts,
ccpImagePrefix: apiserver.Pgo.Cluster.CCPImagePrefix,
ccpImageTag: apiserver.Pgo.Cluster.CCPImageTag,
clients: defaultInt(request.Clients, 1),
clusterName: cluster.Name,
configmapName: configMapName,
database: defaultString(request.Database, cluster.Spec.Database),
host: cluster.Spec.PrimaryHost,
initOpts: request.InitOpts,
jobs: defaultInt(request.Jobs, 1),
port: cluster.Spec.Port,
scale: defaultInt(request.Scale, 1),
secret: cluster.Spec.PrimarySecretName,
taskName: taskName,
timestamp: timeNow,
transactions: defaultInt(request.Transactions, 1),
workflowID: workflowID,
workflowName: fmt.Sprintf("%s-%s-%s", cluster.Name, uid, crv1.PgtaskWorkflowCreateBenchmarkType),
}
task := benchmark.newBenchmarkTask()
task.ObjectMeta.Labels[config.LABEL_PG_CLUSTER_IDENTIFIER] = cluster.ObjectMeta.Labels[config.LABEL_PG_CLUSTER_IDENTIFIER]
task.ObjectMeta.Labels[config.LABEL_PGOUSER] = pgouser
err = kubeapi.Createpgtask(apiserver.RESTClient, task, ns)
if err != nil {
br.Status.Code = msgs.Error
br.Status.Msg = fmt.Sprintf("Could not create benchmark task: %s", err)
return *br
}
created := fmt.Sprintf("Created benchmark task for %s", cluster.Name)
br.Results = append(br.Results, created)
workflow := fmt.Sprintf("workflow id is %s", workflowID)
br.Results = append(br.Results, workflow)
}
return *br
}
type benchmarkTask struct {
benchmarkOpts string
ccpImagePrefix string
ccpImageTag string
clients int
clusterName string
configmapName string
database string
host string
initOpts string
jobs int
port string
scale int
secret string
taskName string
timestamp string
transactions int
workflowID string
workflowName string
}
func (b benchmarkTask) newBenchmarkTask() *crv1.Pgtask {
return &crv1.Pgtask{
ObjectMeta: meta_v1.ObjectMeta{
Name: b.taskName,
Labels: map[string]string{
config.LABEL_PG_CLUSTER: b.clusterName,
config.LABEL_PGO_BENCHMARK: "true",
},
},
Spec: crv1.PgtaskSpec{
Name: b.taskName,
TaskType: crv1.PgtaskBenchmark,
Parameters: map[string]string{
"benchmarkOpts": b.benchmarkOpts,
"ccpImagePrefix": b.ccpImagePrefix,
"ccpImageTag": b.ccpImageTag,
"clients": strconv.Itoa(b.clients),
"clusterName": b.clusterName,
"configmapName": b.configmapName,
"database": b.database,
"host": b.host,
"initOpts": b.initOpts,
"jobs": strconv.Itoa(b.jobs),
"port": b.port,
"scale": strconv.Itoa(b.scale),
"secret": b.secret,
"taskName": b.taskName,
"timestamp": b.timestamp,
"transactions": strconv.Itoa(b.transactions),
"workflowID": b.workflowID,
"workflowName": b.workflowName,
},
},
}
}
func defaultString(actual, defaultValue string) string {
if actual == "" {
return defaultValue
}
return actual
}
func defaultInt(actual, defaultValue int) int {
if actual == 0 {
return defaultValue
}
return actual
}
func createConfigMapFromPolicy(policyName, configMapName, ns string) (string, error) {
configMapValue := "\"medium\": \"Memory\""
if policyName != "" {
policy := &crv1.Pgpolicy{}
found, err := kubeapi.Getpgpolicy(apiserver.RESTClient, policy, policyName, ns)
if !found {
return "", fmt.Errorf("Policy not found: %s", policyName)
}
if policy.Spec.SQL == "" {
return "", fmt.Errorf("Policy contained no SQL: %s", policy.Spec.Name)
}
configmap := &v1.ConfigMap{
ObjectMeta: meta_v1.ObjectMeta{
Name: configMapName,
Labels: map[string]string{
config.LABEL_PGO_BENCHMARK: "true",
},
},
Data: map[string]string{
"transactions.sql": policy.Spec.SQL,
},
}
err = kubeapi.CreateConfigMap(apiserver.Clientset, configmap, ns)
if err != nil {
return "", fmt.Errorf("Could not create transactions config map: %s", err)
}
configMapValue = fmt.Sprintf("\"configMap\": { \"name\": \"%s\" }", configMapName)
}
return configMapValue, nil
}
func createWorkflowTask(clusterName, uid, ns string) (string, error) {
u, err := ioutil.ReadFile("/proc/sys/kernel/random/uuid")
if err != nil {
return "", err
}
id := string(u[:len(u)-1])
taskName := fmt.Sprintf("%s-%s-%s", clusterName, uid, crv1.PgtaskWorkflowCreateBenchmarkType)
task := &crv1.Pgtask{
ObjectMeta: meta_v1.ObjectMeta{
Name: taskName,
Labels: map[string]string{
config.LABEL_PG_CLUSTER: clusterName,
crv1.PgtaskWorkflowID: id,
},
},
Spec: crv1.PgtaskSpec{
Namespace: ns,
Name: taskName,
TaskType: crv1.PgtaskWorkflow,
Parameters: map[string]string{
crv1.PgtaskWorkflowSubmittedStatus: time.Now().Format(time.RFC3339),
config.LABEL_PG_CLUSTER: clusterName,
crv1.PgtaskWorkflowID: id,
},
},
}
err = kubeapi.Createpgtask(apiserver.RESTClient, task, ns)
if err != nil {
return "", err
}
return id, err
}