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gc_activities.go
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gc_activities.go
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package cmd
import (
"fmt"
"io"
"sort"
"strconv"
"strings"
"github.com/jenkins-x/jx/pkg/kube"
"github.com/spf13/cobra"
"gopkg.in/AlecAivazis/survey.v1/terminal"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/jenkins-x/golang-jenkins"
"github.com/jenkins-x/jx/pkg/jx/cmd/templates"
"github.com/jenkins-x/jx/pkg/log"
)
// GetOptions is the start of the data required to perform the operation. As new fields are added, add them here instead of
// referencing the cmd.Flags()
type GCActivitiesOptions struct {
CommonOptions
RevisionHistoryLimit int
jclient gojenkins.JenkinsClient
}
var (
GCActivitiesLong = templates.LongDesc(`
Garbage collect the Jenkins X Activity Custom Resource Definitions
`)
GCActivitiesExample = templates.Examples(`
jx garbage collect activities
jx gc activities
`)
)
// NewCmd s a command object for the "step" command
func NewCmdGCActivities(f Factory, in terminal.FileReader, out terminal.FileWriter, errOut io.Writer) *cobra.Command {
options := &GCActivitiesOptions{
CommonOptions: CommonOptions{
Factory: f,
In: in,
Out: out,
Err: errOut,
},
}
cmd := &cobra.Command{
Use: "activities",
Short: "garbage collection for activities",
Long: GCActivitiesLong,
Example: GCActivitiesExample,
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
CheckErr(err)
},
}
cmd.Flags().IntVarP(&options.RevisionHistoryLimit, "revision-history-limit", "l", 5, "Minimum number of Activities per application to keep")
options.addCommonFlags(cmd)
return cmd
}
// Run implements this command
func (o *GCActivitiesOptions) Run() error {
apisClient, err := o.CreateApiExtensionsClient()
if err != nil {
return err
}
err = kube.RegisterPipelineActivityCRD(apisClient)
if err != nil {
return err
}
kubeClient, _, err := o.KubeClient()
if err != nil {
return err
}
client, currentNs, err := o.JXClientAndDevNamespace()
if err != nil {
return err
}
// cannot use field selectors like `spec.kind=Preview` on CRDs so list all environments
activities, err := client.JenkinsV1().PipelineActivities(currentNs).List(metav1.ListOptions{})
if err != nil {
return err
}
if len(activities.Items) == 0 {
// no preview environments found so lets return gracefully
if o.Verbose {
log.Info("no activities found\n")
}
return nil
}
prowEnabled, err := kube.IsProwEnabled(kubeClient, currentNs)
if err != nil {
return err
}
var jobNames []string
if !prowEnabled {
o.jclient, err = o.JenkinsClient()
if err != nil {
return err
}
jobs, err := o.jclient.GetJobs()
if err != nil {
return err
}
for _, j := range jobs {
err = o.getAllPipelineJobNames(o.jclient, &jobNames, j.Name)
if err != nil {
return err
}
}
}
activityBuilds := make(map[string][]int)
for _, a := range activities.Items {
if !prowEnabled {
// if activity has no job in jenkins delete it
matched := false
for _, j := range jobNames {
if a.Spec.Pipeline == j {
matched = true
break
}
}
if !matched {
err = client.JenkinsV1().PipelineActivities(currentNs).Delete(a.Name, metav1.NewDeleteOptions(0))
if err != nil {
return err
}
}
}
buildNumber, err := strconv.Atoi(a.Spec.Build)
if err != nil {
return err
}
// collect all activities for a pipeline
activityBuilds[a.Spec.Pipeline] = append(activityBuilds[a.Spec.Pipeline], buildNumber)
}
for pipeline, builds := range activityBuilds {
sort.Ints(builds)
// iterate over the build numbers and delete any while the activity is under the RevisionHistoryLimit
i := 0
for i < len(builds)-o.RevisionHistoryLimit {
activityName := fmt.Sprintf("%s-%v", pipeline, builds[i])
activityName = strings.Replace(activityName, "/", "-", -1)
activityName = strings.Replace(activityName, "_", "-", -1)
activityName = strings.ToLower(activityName)
err = client.JenkinsV1().PipelineActivities(currentNs).Delete(activityName, metav1.NewDeleteOptions(0))
if err != nil {
return fmt.Errorf("failed to delete activity %s: %v\n", activityName, err)
}
i++
}
}
return nil
}