/
job_blue_green_deploy_v2.go
615 lines (554 loc) · 21.4 KB
/
job_blue_green_deploy_v2.go
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/*
* Copyright 2023 The KodeRover Authors.
*
* 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.
*/
package job
import (
"bytes"
"fmt"
"strings"
"github.com/koderover/zadig/v2/pkg/cli/zadig-agent/helper/log"
"github.com/pkg/errors"
"helm.sh/helm/v3/pkg/releaseutil"
v1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/cli-runtime/pkg/printers"
"k8s.io/client-go/kubernetes/scheme"
"github.com/koderover/zadig/v2/pkg/microservice/aslan/config"
commonmodels "github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/repository/models"
commonrepo "github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/repository/mongodb"
templaterepo "github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/repository/mongodb/template"
commonservice "github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/service"
"github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/service/kube"
"github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/service/repository"
aslanUtil "github.com/koderover/zadig/v2/pkg/microservice/aslan/core/common/util"
"github.com/koderover/zadig/v2/pkg/setting"
e "github.com/koderover/zadig/v2/pkg/tool/errors"
serializer2 "github.com/koderover/zadig/v2/pkg/tool/kube/serializer"
"github.com/koderover/zadig/v2/pkg/types"
"github.com/koderover/zadig/v2/pkg/util"
)
type BlueGreenDeployV2Job struct {
job *commonmodels.Job
workflow *commonmodels.WorkflowV4
spec *commonmodels.BlueGreenDeployV2JobSpec
}
func (j *BlueGreenDeployV2Job) Instantiate() error {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToiYaml(j.job.Spec, j.spec); err != nil {
return err
}
j.job.Spec = j.spec
return nil
}
func (j *BlueGreenDeployV2Job) SetPreset() error {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(j.job.Spec, j.spec); err != nil {
return err
}
envName := j.spec.Env
if strings.HasPrefix(envName, setting.FixedValueMark) {
// if the env is fixed, we put the env in the option
envName = strings.ReplaceAll(j.spec.Env, setting.FixedValueMark, "")
}
serviceInfo, _, err := generateBlueGreenEnvDeployServiceInfo(envName, j.workflow.Project, j.spec.Services)
if err != nil {
log.Errorf("failed to generate blue-green deploy info for env: %s, error: %s", envName, err)
return err
}
j.spec.Services = serviceInfo
j.job.Spec = j.spec
return nil
}
func (j *BlueGreenDeployV2Job) SetOptions() error {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(j.job.Spec, j.spec); err != nil {
return err
}
// find the original workflow to get the configured data
originalWorkflow, err := commonrepo.NewWorkflowV4Coll().Find(j.workflow.Name)
if err != nil {
log.Errorf("Failed to find original workflow to set options, error: %s", err)
}
originalSpec := new(commonmodels.BlueGreenDeployV2JobSpec)
found := false
for _, stage := range originalWorkflow.Stages {
if !found {
for _, job := range stage.Jobs {
if job.Name == j.job.Name && job.JobType == j.job.JobType {
if err := commonmodels.IToi(job.Spec, originalSpec); err != nil {
return err
}
found = true
break
}
}
} else {
break
}
}
if !found {
return fmt.Errorf("failed to find the original workflow: %s", j.workflow.Name)
}
envOptions := make([]*commonmodels.ZadigBlueGreenDeployEnvInformation, 0)
if strings.HasPrefix(originalSpec.Env, setting.FixedValueMark) {
// if the env is fixed, we put the env in the option
envName := strings.ReplaceAll(originalSpec.Env, setting.FixedValueMark, "")
serviceInfo, registryID, err := generateBlueGreenEnvDeployServiceInfo(envName, j.workflow.Project, originalSpec.Services)
if err != nil {
log.Errorf("failed to generate blue-green deploy info for env: %s, error: %s", envName, err)
return err
}
envOptions = append(envOptions, &commonmodels.ZadigBlueGreenDeployEnvInformation{
Env: envName,
RegistryID: registryID,
Services: serviceInfo,
})
} else {
// otherwise list all the envs in this project
products, err := commonrepo.NewProductColl().List(&commonrepo.ProductListOptions{
Name: j.workflow.Project,
Production: util.GetBoolPointer(originalSpec.Production),
})
if err != nil {
return fmt.Errorf("can't list envs in project %s, error: %w", j.workflow.Project, err)
}
for _, env := range products {
serviceInfo, registryID, err := generateBlueGreenEnvDeployServiceInfo(env.EnvName, j.workflow.Project, originalSpec.Services)
if err != nil {
log.Errorf("failed to generate blue-green deploy info for env: %s, error: %s", env.EnvName, err)
continue
}
envOptions = append(envOptions, &commonmodels.ZadigBlueGreenDeployEnvInformation{
Env: env.EnvName,
RegistryID: registryID,
Services: serviceInfo,
})
}
}
j.spec.EnvOptions = envOptions
j.job.Spec = j.spec
return nil
}
func (j *BlueGreenDeployV2Job) ClearSelectionField() error {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(j.job.Spec, j.spec); err != nil {
return err
}
j.spec.Services = make([]*commonmodels.BlueGreenDeployV2Service, 0)
j.job.Spec = j.spec
return nil
}
func (j *BlueGreenDeployV2Job) UpdateWithLatestSetting() error {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(j.job.Spec, j.spec); err != nil {
return err
}
// find the original workflow to get the configured data
latestWorkflow, err := commonrepo.NewWorkflowV4Coll().Find(j.workflow.Name)
if err != nil {
log.Errorf("Failed to find original workflow to set options, error: %s", err)
}
latestSpec := new(commonmodels.BlueGreenDeployV2JobSpec)
found := false
for _, stage := range latestWorkflow.Stages {
if !found {
for _, job := range stage.Jobs {
if job.Name == j.job.Name && job.JobType == j.job.JobType {
if err := commonmodels.IToi(job.Spec, latestSpec); err != nil {
return err
}
found = true
break
}
}
} else {
break
}
}
if !found {
return fmt.Errorf("failed to find the original workflow: %s", j.workflow.Name)
}
j.spec.Env = latestSpec.Env
// Determine service list and its corresponding kvs
deployableService, _, err := generateBlueGreenEnvDeployServiceInfo(latestSpec.Env, j.workflow.Project, latestSpec.Services)
if err != nil {
log.Errorf("failed to generate deployable service from latest workflow spec, err: %s", err)
return err
}
mergedService := make([]*commonmodels.BlueGreenDeployV2Service, 0)
userConfiguredService := make(map[string]*commonmodels.BlueGreenDeployV2Service)
for _, service := range j.spec.Services {
userConfiguredService[service.ServiceName] = service
}
for _, service := range deployableService {
if userSvc, ok := userConfiguredService[service.ServiceName]; ok {
mergedService = append(mergedService, &commonmodels.BlueGreenDeployV2Service{
ServiceName: service.ServiceName,
BlueServiceYaml: userSvc.BlueServiceYaml,
BlueServiceName: service.BlueServiceYaml,
BlueDeploymentYaml: service.BlueDeploymentYaml,
BlueDeploymentName: service.BlueDeploymentName,
GreenDeploymentName: service.GreenDeploymentName,
GreenServiceName: service.GreenServiceName,
ServiceAndImage: userSvc.ServiceAndImage,
})
} else {
continue
}
}
j.spec.Services = mergedService
j.job.Spec = j.spec
return nil
}
// TODO: This function now can only be used for production environments
func generateBlueGreenEnvDeployServiceInfo(env, project string, services []*commonmodels.BlueGreenDeployV2Service) ([]*commonmodels.BlueGreenDeployV2Service, string, error) {
targetEnv, err := commonrepo.NewProductColl().Find(&commonrepo.ProductFindOptions{
EnvName: env,
Name: project,
Production: util.GetBoolPointer(true),
})
configuredServiceMap := make(map[string]*commonmodels.BlueGreenDeployV2Service)
for _, svc := range services {
configuredServiceMap[svc.ServiceName] = svc
}
if err != nil {
return nil, "", fmt.Errorf("failed to find product %s, env %s, err: %s", project, env, err)
}
latestSvcList, err := repository.ListMaxRevisionsServices(project, true)
if err != nil {
return nil, "", fmt.Errorf("failed to list services with max revisions in project: %s, error: %s")
}
serviceInfo, err := commonservice.BuildServiceInfoInEnv(targetEnv, latestSvcList, nil, log.GetSimpleLogger())
if err != nil {
return nil, "", fmt.Errorf("failed to build service info in env: %s, error: %s", env, err)
}
resp := make([]*commonmodels.BlueGreenDeployV2Service, 0)
for _, envService := range serviceInfo.Services {
if !envService.Deployed {
continue
}
appendService := &commonmodels.BlueGreenDeployV2Service{
ServiceName: envService.ServiceName,
}
modules := make([]*commonmodels.BlueGreenDeployV2ServiceModuleAndImage, 0)
for _, module := range envService.ServiceModules {
modules = append(modules, &commonmodels.BlueGreenDeployV2ServiceModuleAndImage{
ServiceModule: module.Name,
Image: module.Image,
ImageName: util.ExtractImageName(module.Image),
Name: module.Name,
ServiceName: envService.ServiceName,
})
}
appendService.ServiceAndImage = modules
// if a yaml is pre-configured, use it. Otherwise, just get it from the environment and do some render.
if configuredService, ok := configuredServiceMap[envService.ServiceName]; ok && len(configuredService.BlueServiceYaml) != 0 {
appendService.BlueServiceYaml = configuredService.BlueServiceYaml
} else {
yamlContent, _, err := kube.FetchCurrentAppliedYaml(&kube.GeneSvcYamlOption{
ProductName: project,
EnvName: env,
ServiceName: envService.ServiceName,
})
if err != nil {
return nil, "", fmt.Errorf("failed to fetch %s current applied yaml, err: %s", envService.ServiceName, err)
}
resources := make([]*unstructured.Unstructured, 0)
manifests := releaseutil.SplitManifests(yamlContent)
for _, item := range manifests {
u, err := serializer2.NewDecoder().YamlToUnstructured([]byte(item))
if err != nil {
return nil, "", fmt.Errorf("failed to decode service %s yaml to unstructured: %v", envService.ServiceName, err)
}
resources = append(resources, u)
}
serviceNum := 0
for _, resource := range resources {
switch resource.GetKind() {
case setting.Service:
if serviceNum > 0 {
return nil, "", fmt.Errorf("service %s has more than one service", envService.ServiceName)
}
serviceNum++
service := &corev1.Service{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(resource.Object, service)
if err != nil {
return nil, "", fmt.Errorf("failed to convert service %s service to service object: %v", envService.ServiceName, err)
}
service.Name = service.Name + "-blue"
if service.Spec.Selector == nil {
service.Spec.Selector = make(map[string]string)
}
service.Spec.Selector[config.BlueGreenVersionLabelName] = config.BlueVersion
appendService.BlueServiceYaml, err = toYaml(service)
if err != nil {
return nil, "", fmt.Errorf("failed to marshal service %s service object: %v", envService.ServiceName, err)
}
}
}
if serviceNum == 0 {
return nil, "", fmt.Errorf("service %s has no service", envService.ServiceName)
}
}
resp = append(resp, appendService)
}
registryID := targetEnv.RegistryID
if registryID == "" {
registry, err := commonrepo.NewRegistryNamespaceColl().Find(&commonrepo.FindRegOps{
IsDefault: true,
})
if err != nil {
return nil, "", fmt.Errorf("failed to find default registry for env: %s, error: %s", env, err)
}
registryID = registry.ID.Hex()
}
return resp, registryID, nil
}
func (j *BlueGreenDeployV2Job) MergeArgs(args *commonmodels.Job) error {
if j.job.Name == args.Name && j.job.JobType == args.JobType {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(j.job.Spec, j.spec); err != nil {
return err
}
j.job.Spec = j.spec
argsSpec := &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(args.Spec, argsSpec); err != nil {
return err
}
j.spec.Services = argsSpec.Services
j.job.Spec = j.spec
}
return nil
}
func (j *BlueGreenDeployV2Job) ToJobs(taskID int64) ([]*commonmodels.JobTask, error) {
resp := []*commonmodels.JobTask{}
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := commonmodels.IToi(j.job.Spec, j.spec); err != nil {
return resp, err
}
templateProduct, err := templaterepo.NewProductColl().Find(j.workflow.Project)
if err != nil {
return resp, fmt.Errorf("cannot find product %s: %w", j.workflow.Project, err)
}
timeout := templateProduct.Timeout * 60
if len(j.spec.Services) == 0 {
return resp, errors.Errorf("target services is empty")
}
for _, target := range j.spec.Services {
var (
deployment *v1.Deployment
deploymentYaml string
greenDeploymentSelector map[string]string
service *corev1.Service
greenService *corev1.Service
serviceYaml string
greenDeploymentName string
)
if target.BlueServiceYaml != "" {
service = &corev1.Service{}
decoder := serializer.NewCodecFactory(scheme.Scheme).UniversalDecoder()
err := runtime.DecodeInto(decoder, []byte(target.BlueServiceYaml), service)
if err != nil {
return resp, errors.Errorf("failed to decode %s k8s service yaml, err: %s", target.ServiceName, err)
}
serviceYaml = target.BlueServiceYaml
} else {
return resp, errors.Errorf("service %s blue service yaml is empty", target.ServiceName)
}
yamlContent, _, err := kube.FetchCurrentAppliedYaml(&kube.GeneSvcYamlOption{
ProductName: j.workflow.Project,
EnvName: j.spec.Env,
ServiceName: target.ServiceName,
})
if err != nil {
return resp, errors.Errorf("failed to fetch %s current applied yaml, err: %s", target.ServiceName, err)
}
resources := make([]*unstructured.Unstructured, 0)
manifests := releaseutil.SplitManifests(yamlContent)
for _, item := range manifests {
u, err := serializer2.NewDecoder().YamlToUnstructured([]byte(item))
if err != nil {
return resp, errors.Errorf("failed to decode service %s yaml to unstructured: %v", target.ServiceName, err)
}
resources = append(resources, u)
}
for _, resource := range resources {
switch resource.GetKind() {
case setting.Deployment:
if deployment != nil {
return resp, errors.Errorf("service %s has more than one deployment", target.ServiceName)
}
deployment = &v1.Deployment{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(resource.Object, deployment)
if err != nil {
return resp, errors.Errorf("failed to convert service %s deployment to deployment object: %v", target.ServiceName, err)
}
greenDeploymentName = deployment.Name
if deployment.Spec.Selector == nil {
return resp, errors.Errorf("service %s deployment selector is empty", target.ServiceName)
}
greenDeploymentSelector = deployment.Spec.Selector.MatchLabels
deployment.Name = deployment.Name + "-blue"
deployment.Labels = addLabels(deployment.Labels, map[string]string{
types.ZadigReleaseTypeLabelKey: types.ZadigReleaseTypeBlueGreen,
types.ZadigReleaseServiceNameLabelKey: target.ServiceName,
})
deployment.Spec.Selector.MatchLabels = addLabels(deployment.Spec.Selector.MatchLabels, map[string]string{
config.BlueGreenVersionLabelName: config.BlueVersion,
})
deployment.Spec.Template.Labels = addLabels(deployment.Spec.Template.Labels, map[string]string{
config.BlueGreenVersionLabelName: config.BlueVersion,
})
deploymentYaml, err = toYaml(deployment)
if err != nil {
return resp, errors.Errorf("failed to marshal service %s deployment object: %v", target.ServiceName, err)
}
var newImages []*commonmodels.Container
for _, image := range target.ServiceAndImage {
newImages = append(newImages, &commonmodels.Container{
Name: image.ServiceModule,
Image: image.Image,
})
}
deploymentYaml, _, err = kube.ReplaceWorkloadImages(deploymentYaml, newImages)
if err != nil {
return resp, errors.Errorf("failed to replace service %s deployment image: %v", target.ServiceName, err)
}
case setting.Service:
greenService = &corev1.Service{}
err := runtime.DefaultUnstructuredConverter.FromUnstructured(resource.Object, greenService)
if err != nil {
return resp, errors.Errorf("failed to convert service %s service to service object: %v", target.ServiceName, err)
}
target.GreenServiceName = greenService.Name
}
}
if deployment == nil || service == nil {
return resp, errors.Errorf("service %s has no deployment or service", target.ServiceName)
}
if service.Spec.Selector == nil || deployment.Spec.Template.Labels == nil {
return resp, errors.Errorf("service %s has no service selector or deployment has no labels", target.ServiceName)
}
selector, err := metav1.LabelSelectorAsSelector(metav1.SetAsLabelSelector(service.Spec.Selector))
if err != nil {
return resp, errors.Errorf("service %s k8s service convert to selector err: %v", target.ServiceName, err)
}
if !selector.Matches(labels.Set(deployment.Spec.Template.Labels)) {
return resp, errors.Errorf("service %s k8s service selector not match deployment.spec.template labels", target.ServiceName)
}
if greenService == nil {
return resp, errors.Errorf("service %s has no k8s service", target.ServiceName)
}
greenSelector, err := metav1.LabelSelectorAsSelector(metav1.SetAsLabelSelector(greenService.Spec.Selector))
if err != nil {
return resp, errors.Errorf("service %s k8s green service convert to selector err: %v", target.ServiceName, err)
}
if !greenSelector.Matches(labels.Set(greenDeploymentSelector)) {
return resp, errors.Errorf("service %s k8s green service selector not match deployment.spec.template labels", target.ServiceName)
}
// set target value for blue_green_release ToJobs get these
target.BlueDeploymentName = deployment.Name
target.BlueServiceName = service.Name
target.GreenDeploymentName = greenDeploymentName
task := &commonmodels.JobTask{
Name: jobNameFormat(j.job.Name + "-" + target.ServiceName),
Key: strings.Join([]string{j.job.Name, target.ServiceName}, "."),
JobInfo: map[string]string{
JobNameKey: j.job.Name,
"service_name": target.ServiceName,
},
JobType: string(config.JobK8sBlueGreenDeploy),
Spec: &commonmodels.JobTaskBlueGreenDeployV2Spec{
Production: j.spec.Production,
Env: j.spec.Env,
Service: &commonmodels.BlueGreenDeployV2Service{
ServiceName: target.ServiceName,
BlueServiceYaml: serviceYaml,
BlueServiceName: service.Name,
BlueDeploymentYaml: deploymentYaml,
BlueDeploymentName: deployment.Name,
GreenServiceName: target.GreenServiceName,
GreenDeploymentName: greenDeploymentName,
ServiceAndImage: target.ServiceAndImage,
},
DeployTimeout: timeout,
},
}
resp = append(resp, task)
}
j.job.Spec = j.spec
return resp, nil
}
func (j *BlueGreenDeployV2Job) LintJob() error {
j.spec = &commonmodels.BlueGreenDeployV2JobSpec{}
if err := aslanUtil.CheckZadigProfessionalLicense(); err != nil {
return e.ErrLicenseInvalid.AddDesc("")
}
if err := commonmodels.IToiYaml(j.job.Spec, j.spec); err != nil {
return err
}
if j.spec.Version == "" {
return errors.Errorf("job %s version is too old and not supported, please remove it and create a new one", j.job.Name)
}
quoteJobs := []*commonmodels.Job{}
for _, stage := range j.workflow.Stages {
for _, job := range stage.Jobs {
if job.JobType != config.JobK8sBlueGreenRelease {
continue
}
releaseJobSpec := &commonmodels.BlueGreenReleaseV2JobSpec{}
if err := commonmodels.IToiYaml(job.Spec, releaseJobSpec); err != nil {
return err
}
if releaseJobSpec.FromJob == j.job.Name {
quoteJobs = append(quoteJobs, job)
}
}
}
if len(quoteJobs) == 0 {
return errors.Errorf("no blue-green release job quote blue-green deploy job %s", j.job.Name)
}
if len(quoteJobs) > 1 {
return errors.Errorf("more than one blue-green release job quote blue-green deploy job %s", j.job.Name)
}
jobRankmap := getJobRankMap(j.workflow.Stages)
if jobRankmap[j.job.Name] >= jobRankmap[quoteJobs[0].Name] {
return errors.Errorf("blue-green release job %s should run before blue-green deploy job %s", quoteJobs[0].Name, j.job.Name)
}
return nil
}
func toYaml(obj runtime.Object) (string, error) {
y := printers.YAMLPrinter{}
writer := bytes.NewBuffer(nil)
err := y.PrintObj(obj, writer)
if err != nil {
return "", errors.Wrapf(err, "failed to marshal object to yaml")
}
return writer.String(), nil
}
func addLabels(labels, newLabels map[string]string) map[string]string {
if labels == nil {
labels = make(map[string]string)
}
for k, v := range newLabels {
labels[k] = v
}
return labels
}