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step_helm_apply.go
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step_helm_apply.go
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package cmd
import (
"fmt"
"github.com/jenkins-x/jx/pkg/jx/cmd/templates"
"github.com/jenkins-x/jx/pkg/kube"
"github.com/jenkins-x/jx/pkg/log"
"github.com/jenkins-x/jx/pkg/util"
"github.com/spf13/cobra"
"gopkg.in/AlecAivazis/survey.v1/terminal"
"io"
"os"
"path/filepath"
"strings"
)
// StepHelmApplyOptions contains the command line flags
type StepHelmApplyOptions struct {
StepHelmOptions
Namespace string
ReleaseName string
Wait bool
Force bool
DisableHelmVersion bool
}
var (
StepHelmApplyLong = templates.LongDesc(`
Applies the helm chart in a given directory.
This step is usually used to apply any GitOps promotion changes into a Staging or Production cluster.
`)
StepHelmApplyExample = templates.Examples(`
# apply the chart in the env folder to namespace jx-staging
jx step helm apply --dir env --namespace jx-staging
`)
defaultValueFileNames = []string{"values.yaml", "myvalues.yaml", "secrets.yaml"}
)
func NewCmdStepHelmApply(f Factory, in terminal.FileReader, out terminal.FileWriter, errOut io.Writer) *cobra.Command {
options := StepHelmApplyOptions{
StepHelmOptions: StepHelmOptions{
StepOptions: StepOptions{
CommonOptions: CommonOptions{
Factory: f,
In: in,
Out: out,
Err: errOut,
},
},
},
}
cmd := &cobra.Command{
Use: "apply",
Short: "Applies the helm chart in a given directory",
Aliases: []string{""},
Long: StepHelmApplyLong,
Example: StepHelmApplyExample,
Run: func(cmd *cobra.Command, args []string) {
options.Cmd = cmd
options.Args = args
err := options.Run()
CheckErr(err)
},
}
options.addStepHelmFlags(cmd)
cmd.Flags().StringVarP(&options.Namespace, "namespace", "", "", "The Kubernetes namespace to apply the helm chart to")
cmd.Flags().StringVarP(&options.ReleaseName, "name", "", "", "The name of the release")
cmd.Flags().BoolVarP(&options.Wait, "wait", "", true, "Wait for Kubernetes readiness probe to confirm deployment")
cmd.Flags().BoolVarP(&options.Force, "force", "f", true, "Whether to to pass '--force' to helm to help deal with upgrading if a previous promote failed")
cmd.Flags().BoolVar(&options.DisableHelmVersion, "no-helm-version", false, "Don't set Chart version before applying")
return cmd
}
func (o *StepHelmApplyOptions) Run() error {
var err error
chartName := o.Dir
dir := o.Dir
if dir == "" {
dir, err = os.Getwd()
if err != nil {
return err
}
}
// if we're in a Prow job we need to clone and change dir to find the Helm Chart.yaml
if os.Getenv(PROW_JOB_ID) != "" {
dir, err = o.cloneProwPullRequest(dir, o.GitProvider)
if err != nil {
return fmt.Errorf("failed to clone pull request: %v", err)
}
}
if !o.DisableHelmVersion {
(&StepHelmVersionOptions{}).Run()
}
_, err = o.helmInitDependencyBuild(dir, o.defaultReleaseCharts())
if err != nil {
return err
}
helmBinary, noTiller, helmTemplate, err := o.TeamHelmBin()
if err != nil {
return err
}
ns := o.Namespace
if ns == "" {
ns = os.Getenv("DEPLOY_NAMESPACE")
}
if ns == "" {
return fmt.Errorf("No --namespace option specified or $DEPLOY_NAMESPACE environment variable available")
}
kubeClient, _, err := o.KubeClient()
if err != nil {
return err
}
err = kube.EnsureNamespaceCreated(kubeClient, ns, nil, nil)
if err != nil {
return err
}
releaseName := o.ReleaseName
if releaseName == "" {
releaseName = ns
if helmBinary != "helm" || noTiller || helmTemplate {
releaseName = "jx"
}
}
info := util.ColorInfo
log.Infof("Applying helm chart at %s as release name %s to namespace %s\n", info(dir), info(releaseName), info(ns))
o.Helm().SetCWD(dir)
// lets discover any local value files
valueFiles := []string{}
for _, name := range defaultValueFileNames {
file := filepath.Join(dir, name)
exists, err := util.FileExists(file)
if exists && err == nil {
valueFiles = append(valueFiles, file)
}
}
log.Infof("Using values files: %s\n", strings.Join(valueFiles, ", "))
if o.Wait {
timeout := 600
err = o.Helm().UpgradeChart(chartName, releaseName, ns, nil, true, &timeout, o.Force, true, nil, valueFiles)
} else {
err = o.Helm().UpgradeChart(chartName, releaseName, ns, nil, true, nil, o.Force, false, nil, valueFiles)
}
if err != nil {
return err
}
return nil
}