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common_helm.go
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common_helm.go
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package cmd
import (
"fmt"
"net/url"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/jenkins-x/jx/pkg/helm"
"github.com/jenkins-x/jx/pkg/kube"
"github.com/jenkins-x/jx/pkg/log"
"github.com/jenkins-x/jx/pkg/util"
"github.com/pkg/errors"
)
func (o *CommonOptions) registerLocalHelmRepo(repoName, ns string) error {
if repoName == "" {
repoName = kube.LocalHelmRepoName
}
// TODO we should use the auth package to keep a list of server login/pwds
// TODO we have a chartmuseumAuth.yaml now but sure yet if that's the best thing to do
username := "admin"
password := "admin"
// lets check if we have a local helm repository
client, _, err := o.KubeClient()
if err != nil {
return errors.Wrap(err, "failed to create the kube client")
}
u, err := kube.FindServiceURL(client, ns, kube.ServiceChartMuseum)
if err != nil {
return errors.Wrapf(err, "failed to find the service URL of the chartmuseum")
}
u2, err := url.Parse(u)
if err != nil {
return errors.Wrap(err, "failed to parse the chartmuseum URL")
}
if u2.User == nil {
u2.User = url.UserPassword(username, password)
}
helmUrl := u2.String()
// lets check if we already have the helm repo installed or if we need to add it or remove + add it
remove := false
repos, err := o.Helm().ListRepos()
if err != nil {
return errors.Wrap(err, "failed to list the repositories")
}
for repo, repoURL := range repos {
if repo == repoName {
if repoURL == helmUrl {
return nil
} else {
remove = true
}
}
}
if remove {
err = o.Helm().RemoveRepo(repoName)
if err != nil {
return errors.Wrapf(err, "failed to remove the repository '%s'", repoName)
}
}
return o.Helm().AddRepo(repoName, helmUrl)
}
// addHelmRepoIfMissing adds the given helm repo if its not already added
func (o *CommonOptions) addHelmRepoIfMissing(helmUrl string, repoName string) error {
return o.addHelmBinaryRepoIfMissing(helmUrl, repoName)
}
func (o *CommonOptions) addHelmBinaryRepoIfMissing(helmUrl string, repoName string) error {
missing, err := o.Helm().IsRepoMissing(helmUrl)
if err != nil {
return errors.Wrapf(err, "failed to check if the repository with URL '%s' is missing", helmUrl)
}
if missing {
log.Infof("Adding missing helm repo: %s %s\n", util.ColorInfo(repoName), util.ColorInfo(helmUrl))
err = o.retry(6, 10*time.Second, func() (err error) {
err = o.Helm().AddRepo(repoName, helmUrl)
if err == nil {
log.Infof("Successfully added Helm repository %s.\n", repoName)
}
return errors.Wrapf(err, "failed to add the repository '%s' with URL '%s'", repoName, helmUrl)
})
if err != nil {
return err
}
}
return nil
}
// installChart installs the given chart
func (o *CommonOptions) installChart(releaseName string, chart string, version string, ns string, helmUpdate bool, setValues []string) error {
return o.installChartAt("", releaseName, chart, version, ns, helmUpdate, setValues)
}
// installChartAt installs the given chart
func (o *CommonOptions) installChartAt(dir string, releaseName string, chart string, version string, ns string, helmUpdate bool, setValues []string) error {
if helmUpdate {
log.Infoln("Updating Helm repository...")
err := o.Helm().UpdateRepo()
if err != nil {
return errors.Wrap(err, "failed to update repository")
}
log.Infoln("Helm repository update done.")
}
if ns != "" {
kubeClient, _, err := o.KubeClient()
if err != nil {
return errors.Wrap(err, "failed to create the kube client")
}
annotations := map[string]string{"jenkins-x.io/created-by": "Jenkins X"}
kube.EnsureNamespaceCreated(kubeClient, ns, nil, annotations)
}
timeout, err := strconv.Atoi(defaultInstallTimeout)
if err != nil {
return errors.Wrap(err, "failed to convert the timeout to an int")
}
o.Helm().SetCWD(dir)
return o.Helm().UpgradeChart(chart, releaseName, ns, &version, true,
&timeout, true, false, setValues, nil)
}
// deleteChart deletes the given chart
func (o *CommonOptions) deleteChart(releaseName string, purge bool) error {
return o.Helm().DeleteRelease(releaseName, purge)
}
func (o *CommonOptions) FindHelmChart() (string, error) {
dir, err := os.Getwd()
if err != nil {
return "", errors.Wrap(err, "failed to get the current working directory")
}
o.Helm().SetCWD(dir)
return o.Helm().FindChart()
}
func (o *CommonOptions) DiscoverAppName() (string, error) {
answer := ""
chartFile, err := o.FindHelmChart()
if err != nil {
return answer, err
}
if chartFile != "" {
return helm.LoadChartName(chartFile)
}
gitInfo, err := o.Git().Info("")
if err != nil {
return answer, err
}
if gitInfo == nil {
return answer, fmt.Errorf("no git info found to discover app name from")
}
answer = gitInfo.Name
if answer == "" {
}
return answer, nil
}
func (o *CommonOptions) isHelmRepoMissing(helmUrlString string) (bool, error) {
return o.Helm().IsRepoMissing(helmUrlString)
}
func (o *CommonOptions) addChartRepos(dir string, helmBinary string, chartRepos map[string]string) error {
installedChartRepos, err := o.getInstalledChartRepos(helmBinary)
if err != nil {
return errors.Wrap(err, "failed to retrieve the install charts")
}
repoCounter := len(installedChartRepos)
if chartRepos != nil {
for name, url := range chartRepos {
if !util.StringMapHasValue(installedChartRepos, url) {
repoCounter++
err = o.addHelmBinaryRepoIfMissing(url, name)
if err != nil {
return errors.Wrapf(err, "failed to add the helm repository with name '%s' and URL '%s'", name, url)
}
}
}
}
reqfile := filepath.Join(dir, "requirements.yaml")
exists, err := util.FileExists(reqfile)
if err != nil {
return errors.Wrapf(err, "requirements.yaml file not found in the chart directory '%s'", dir)
}
if exists {
requirements, err := helm.LoadRequirementsFile(reqfile)
if err != nil {
return errors.Wrap(err, "failed to load the helm requirements file")
}
if requirements != nil {
for _, dep := range requirements.Dependencies {
repo := dep.Repository
if repo != "" && !util.StringMapHasValue(installedChartRepos, repo) && repo != defaultChartRepo && !strings.HasPrefix(repo, "file:") {
repoCounter++
// TODO we could provide some mechanism to customise the names of repos somehow?
err = o.addHelmBinaryRepoIfMissing(repo, "repo"+strconv.Itoa(repoCounter))
if err != nil {
return errors.Wrapf(err, "failed to add helm repository '%s'", repo)
}
}
}
}
}
return nil
}
func (o *CommonOptions) getInstalledChartRepos(helmBinary string) (map[string]string, error) {
return o.Helm().ListRepos()
}
func (o *CommonOptions) helmInit(dir string) error {
o.Helm().SetCWD(dir)
_, err := o.Helm().Version(false)
if err != nil {
return errors.Wrap(err, "failed to read the helm version")
}
if o.Helm().HelmBinary() == "helm" {
return o.Helm().Init(false, "", "", true)
} else {
return o.Helm().Init(false, "", "", false)
}
}
func (o *CommonOptions) helmInitDependencyBuild(dir string, chartRepos map[string]string) (string, error) {
o.Helm().SetCWD(dir)
err := o.Helm().RemoveRequirementsLock()
if err != nil {
return o.Helm().HelmBinary(),
errors.Wrapf(err, "failed to remove requirements.lock file from chat '%s'", dir)
}
_, err = o.Helm().Version(false)
if err != nil {
return o.Helm().HelmBinary(),
errors.Wrap(err, "failed to read the helm version")
}
if o.Helm().HelmBinary() == "helm" {
err = o.Helm().Init(false, "", "", true)
} else {
err = o.Helm().Init(false, "", "", false)
}
if err != nil {
return o.Helm().HelmBinary(),
errors.Wrap(err, "failed to initialize helm")
}
err = o.addChartRepos(dir, o.Helm().HelmBinary(), chartRepos)
if err != nil {
return o.Helm().HelmBinary(),
errors.Wrap(err, "failed to add chart repositories")
}
// TODO due to this issue: https://github.com/kubernetes/helm/issues/4230
// lets stick with helm2 for this step
//
helmBinary := o.Helm().HelmBinary()
o.Helm().SetHelmBinary("helm")
o.Helm().SetCWD(dir)
err = o.Helm().BuildDependency()
if err != nil {
return helmBinary, errors.Wrapf(err, "failed to build the dependencies of chart '%s'", dir)
}
o.Helm().SetHelmBinary(helmBinary)
_, err = o.Helm().Lint()
if err != nil {
return helmBinary, errors.Wrapf(err, "failed to lint the chart '%s'", dir)
}
return helmBinary, nil
}
func (o *CommonOptions) defaultReleaseCharts() map[string]string {
return map[string]string{
"releases": o.releaseChartMuseumUrl(),
"jenkins-x": DEFAULT_CHARTMUSEUM_URL,
}
}
func (o *CommonOptions) releaseChartMuseumUrl() string {
chartRepo := os.Getenv("CHART_REPOSITORY")
if chartRepo == "" {
chartRepo = defaultChartRepo
log.Warnf("No $CHART_REPOSITORY defined so using the default value of: %s\n", defaultChartRepo)
}
return chartRepo
}
func (o *CommonOptions) ensureHelm() error {
_, err := o.Helm().Version(false)
if err == nil {
return nil
}
err = o.installHelm()
if err != nil {
return errors.Wrap(err, "failed to install helm")
}
initOpts := InitOptions{
CommonOptions: *o,
}
return initOpts.initHelm()
}