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start_pipeline.go
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start_pipeline.go
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package start
import (
"fmt"
"net/url"
"sort"
"strings"
"time"
"github.com/jenkins-x/jx/v2/pkg/tekton"
"github.com/jenkins-x/jx/v2/pkg/tekton/metapipeline"
"github.com/pkg/errors"
"github.com/jenkins-x/jx/v2/pkg/cmd/helper"
"github.com/jenkins-x/jx/v2/pkg/jenkins"
"github.com/jenkins-x/jx/v2/pkg/kube"
gojenkins "github.com/jenkins-x/golang-jenkins"
"github.com/jenkins-x/jx/v2/pkg/prow"
"github.com/spf13/cobra"
"github.com/jenkins-x/jx-logging/pkg/log"
"github.com/jenkins-x/jx/v2/pkg/cmd/opts"
"github.com/jenkins-x/jx/v2/pkg/cmd/templates"
"github.com/jenkins-x/jx/v2/pkg/util"
prowjobv1 "k8s.io/test-infra/prow/apis/prowjobs/v1"
)
const (
releaseBranchName = "master"
)
// StartPipelineOptions contains the command line options
type StartPipelineOptions struct {
*opts.CommonOptions
Output string
Tail bool
Filter string
Branch string
PipelineKind string
JenkinsSelector opts.JenkinsSelectorOptions
Jobs map[string]gojenkins.Job
ProwOptions prow.Options
// meta pipeline options
Context string
CustomLabels []string
CustomEnvs []string
}
var (
startPipelineLong = templates.LongDesc(`
Starts the pipeline build.
`)
startPipelineExample = templates.Examples(`
# Start a pipeline
jx start pipeline foo
# Select the pipeline to start
jx start pipeline
# Select the pipeline to start and tail the log
jx start pipeline -t
`)
)
// NewCmdStartPipeline creates the command
func NewCmdStartPipeline(commonOpts *opts.CommonOptions) *cobra.Command {
options := &StartPipelineOptions{
CommonOptions: commonOpts,
}
cmd := &cobra.Command{
Use: "pipeline [flags]",
Short: "Starts one or more pipelines",
Long: startPipelineLong,
Example: startPipelineExample,
Aliases: []string{"pipe", "pipeline", "build", "run"},
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
helper.CheckErr(err)
},
}
cmd.Flags().BoolVarP(&options.Tail, "tail", "t", false, "Tails the build log to the current terminal")
cmd.Flags().StringVarP(&options.Filter, "filter", "f", "", "Filters all the available jobs by those that contain the given text")
cmd.Flags().StringVarP(&options.Context, "context", "c", "", "An optional Prow pipeline context")
cmd.Flags().StringVarP(&options.Branch, "branch", "", "", "The branch to start. If not specified defaults to master")
cmd.Flags().StringVarP(&options.PipelineKind, "kind", "", "", "The kind of pipeline such as release or pullrequest")
cmd.Flags().StringVar(&options.ServiceAccount, "service-account", tekton.DefaultPipelineSA, "The Kubernetes ServiceAccount to use to run the meta pipeline")
cmd.Flags().StringArrayVarP(&options.CustomLabels, "label", "l", nil, "List of custom labels to be applied to the generated PipelineRun (can be use multiple times)")
cmd.Flags().StringArrayVarP(&options.CustomEnvs, "env", "e", nil, "List of custom environment variables to be applied to the generated PipelineRun that are created (can be use multiple times)")
options.JenkinsSelector.AddFlags(cmd)
return cmd
}
// Run implements this command
func (o *StartPipelineOptions) Run() error {
kubeClient, currentNamespace, err := o.KubeClientAndNamespace()
if err != nil {
return err
}
_, _, err = o.JXClient()
if err != nil {
return err
}
devEnv, _, err := o.DevEnvAndTeamSettings()
if err != nil {
return err
}
isProw := devEnv.Spec.IsProwOrLighthouse()
args := o.Args
names := []string{}
o.ProwOptions = prow.Options{
KubeClient: kubeClient,
NS: currentNamespace,
}
if o.JenkinsSelector.IsCustom() {
isProw = false
}
if isProw {
names, err = o.ProwOptions.GetReleaseJobs()
if err != nil {
return err
}
names = util.StringsContaining(names, o.Filter)
} else {
jobMap, err := o.GetJenkinsJobs(&o.JenkinsSelector, o.Filter)
if err != nil {
return err
}
o.Jobs = jobMap
for k := range o.Jobs {
names = append(names, k)
}
}
if len(args) == 0 {
if len(names) == 0 {
return errors.New("no jobs found to trigger")
}
sort.Strings(names)
defaultName := ""
for _, n := range names {
if strings.HasSuffix(n, "/master") {
defaultName = n
break
}
}
name, err := util.PickNameWithDefault(names, "Which pipeline do you want to start: ", defaultName, "", o.GetIOFileHandles())
if err != nil {
return err
}
args = []string{name}
}
for _, a := range args {
if devEnv.Spec.IsLighthouse() {
err = o.createMetaPipeline(a)
if err != nil {
return err
}
} else if isProw {
err = o.createProwJob(a)
if err != nil {
return err
}
} else {
err = o.startJenkinsJob(a)
if err != nil {
return err
}
}
}
return nil
}
func (o *StartPipelineOptions) createMetaPipeline(jobName string) error {
parts := strings.Split(jobName, "/")
if len(parts) != 3 {
return fmt.Errorf("job name [%s] does not match org/repo/branch format", jobName)
}
owner := parts[0]
repo := parts[1]
branch := parts[2]
if o.Branch != "" {
branch = o.Branch
}
jxClient, ns, err := o.JXClientAndDevNamespace()
if err != nil {
return errors.Wrap(err, "failed to create JX client")
}
sr, err := kube.FindSourceRepositoryWithoutProvider(jxClient, ns, owner, repo)
if err != nil {
return errors.Wrap(err, "cannot determine git source URL")
}
if sr == nil {
return fmt.Errorf("could not find existing SourceRepository for owner %s and repo %s", owner, repo)
}
sourceURL, err := kube.GetRepositoryGitURL(sr)
if err != nil {
return errors.Wrapf(err, "cannot generate the git URL from SourceRepository %s", sr.Name)
}
if sourceURL == "" {
return fmt.Errorf("no git URL returned from SourceRepository %s", sr.Name)
}
log.Logger().Debug("creating meta pipeline client")
client, err := metapipeline.NewMetaPipelineClient()
if err != nil {
return errors.Wrap(err, "unable to create meta pipeline client")
}
pullRef := metapipeline.NewPullRef(sourceURL, branch, "")
pipelineKind := o.determinePipelineKind(branch)
envVarMap, err := util.ExtractKeyValuePairs(o.CustomEnvs, "=")
if err != nil {
return errors.Wrap(err, "unable to parse env variables")
}
labelMap, err := util.ExtractKeyValuePairs(o.CustomLabels, "=")
if err != nil {
return errors.Wrap(err, "unable to parse label variables")
}
pipelineCreateParam := metapipeline.PipelineCreateParam{
PullRef: pullRef,
PipelineKind: pipelineKind,
Context: o.Context,
EnvVariables: envVarMap,
Labels: labelMap,
ServiceAccount: o.ServiceAccount,
}
pipelineActivity, tektonCRDs, err := client.Create(pipelineCreateParam)
if err != nil {
return errors.Wrap(err, "unable to create Tekton CRDs")
}
err = client.Apply(pipelineActivity, tektonCRDs)
if err != nil {
return errors.Wrap(err, "unable to apply Tekton CRDs")
}
err = client.Close()
if err != nil {
log.Logger().Errorf("unable to close meta pipeline client: %s", err.Error())
}
return nil
}
func (o *StartPipelineOptions) createProwJob(jobname string) error {
parts := strings.Split(jobname, "/")
if len(parts) != 3 {
return fmt.Errorf("job name [%s] does not match org/repo/branch format", jobname)
}
org := parts[0]
repo := parts[1]
branch := parts[2]
agent := prowjobv1.ProwJobAgent(prow.TektonAgent)
jobSpec := prowjobv1.ProwJobSpec{
Agent: agent,
}
jobSpec.Type = prowjobv1.PostsubmitJob
// TODO prow only supports github.com
// if you want to use anything but github.com you should use
// lighthouse: https://jenkins-x.io/docs/reference/components/lighthouse/
sourceURL := fmt.Sprintf("https://github.com/%s/%s.git", org, repo)
provider, _, err := o.CreateGitProviderForURLWithoutKind(sourceURL)
if err != nil {
return errors.Wrapf(err, "creating git provider for %s", sourceURL)
}
gitBranch, err := provider.GetBranch(org, repo, branch)
if err != nil {
return errors.Wrapf(err, "getting branch %s on %s/%s", branch, org, repo)
}
if gitBranch != nil && gitBranch.Commit != nil {
if jobSpec.Refs == nil {
jobSpec.Refs = &prowjobv1.Refs{}
}
jobSpec.Refs.BaseSHA = gitBranch.Commit.SHA
jobSpec.Refs.Repo = repo
jobSpec.Refs.Org = org
jobSpec.Refs.BaseRef = branch
}
p := prow.NewProwJob(jobSpec, nil)
p.Status = prowjobv1.ProwJobStatus{
State: prowjobv1.PendingState,
}
p.Spec.Refs = &prowjobv1.Refs{
BaseRef: branch,
Org: org,
Repo: repo,
}
if gitBranch != nil && gitBranch.Commit != nil {
p.Spec.Refs.BaseSHA = gitBranch.Commit.SHA
}
client, currentNamespace, err := o.KubeClientAndNamespace()
if err != nil {
return err
}
_, err = prow.CreateProwJob(client, currentNamespace, p)
return err
}
func (o *StartPipelineOptions) startJenkinsJob(name string) error {
job := o.Jobs[name]
jenkinsClient, err := o.CreateCustomJenkinsClient(&o.JenkinsSelector)
if err != nil {
return err
}
job.Url = jenkins.SwitchJenkinsBaseURL(job.Url, jenkinsClient.BaseURL())
// ignore errors as it could be there's no last build yet
previous, _ := jenkinsClient.GetLastBuild(job)
params := url.Values{}
err = jenkinsClient.Build(job, params)
if err != nil {
return err
}
i := 0
for {
last, err := jenkinsClient.GetLastBuild(job)
// lets ignore the first query in case there's no build yet
if i > 0 && err != nil {
return err
}
i++
if last.Number != previous.Number {
last.Url = jenkins.SwitchJenkinsBaseURL(last.Url, jenkinsClient.BaseURL())
log.Logger().Infof("Started build of %s at %s", util.ColorInfo(name), util.ColorInfo(last.Url))
log.Logger().Infof("%s %s", util.ColorStatus("view the log at:"), util.ColorInfo(util.UrlJoin(last.Url, "/console")))
if o.Tail {
return o.TailJenkinsBuildLog(&o.JenkinsSelector, name, &last)
}
return nil
}
time.Sleep(time.Second)
}
}
func (o *StartPipelineOptions) determinePipelineKind(branch string) metapipeline.PipelineKind {
if o.PipelineKind != "" {
return metapipeline.StringToPipelineKind(o.PipelineKind)
}
var kind metapipeline.PipelineKind
// `jx start pipeline` will only always trigger a release or feature pipeline. Not sure whether there is a way
// to configure your release branch atm. Using a constant here (HF)
if branch == releaseBranchName {
kind = metapipeline.ReleasePipeline
} else {
kind = metapipeline.FeaturePipeline
}
return kind
}