// ensureHome checks to see if $HELM_HOME exists
//
// If $HELM_HOME does not exist, this function will create it.
func ensureHome(home helmpath.Home, out io.Writer) error {
configDirectories := []string{home.String(), home.Repository(), home.Cache(), home.LocalRepository()}
for _, p := range configDirectories {
if fi, err := os.Stat(p); err != nil {
fmt.Fprintf(out, "Creating %s \n", p)
if err := os.MkdirAll(p, 0755); err != nil {
return fmt.Errorf("Could not create %s: %s", p, err)
}
} else if !fi.IsDir() {
return fmt.Errorf("%s must be a directory", p)
}
}
repoFile := home.RepositoryFile()
if fi, err := os.Stat(repoFile); err != nil {
fmt.Fprintf(out, "Creating %s \n", repoFile)
r := repo.NewRepoFile()
r.Add(&repo.Entry{
Name: stableRepository,
URL: stableRepositoryURL,
Cache: "stable-index.yaml",
}, &repo.Entry{
Name: localRepository,
URL: localRepositoryURL,
Cache: "local-index.yaml",
})
if err := r.WriteFile(repoFile, 0644); err != nil {
return err
}
cif := home.CacheIndex(stableRepository)
if err := repo.DownloadIndexFile(stableRepository, stableRepositoryURL, cif); err != nil {
fmt.Fprintf(out, "WARNING: Failed to download %s: %s (run 'helm repo update')\n", stableRepository, err)
}
} else if fi.IsDir() {
return fmt.Errorf("%s must be a file, not a directory", repoFile)
}
if r, err := repo.LoadRepositoriesFile(repoFile); err == repo.ErrRepoOutOfDate {
fmt.Fprintln(out, "Updating repository file format...")
if err := r.WriteFile(repoFile, 0644); err != nil {
return err
}
}
localRepoIndexFile := home.LocalRepository(localRepoIndexFilePath)
if fi, err := os.Stat(localRepoIndexFile); err != nil {
fmt.Fprintf(out, "Creating %s \n", localRepoIndexFile)
i := repo.NewIndexFile()
if err := i.WriteFile(localRepoIndexFile, 0644); err != nil {
return err
}
//TODO: take this out and replace with helm update functionality
os.Symlink(localRepoIndexFile, home.CacheIndex("local"))
} else if fi.IsDir() {
return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile)
}
fmt.Fprintf(out, "$HELM_HOME has been configured at %s.\n", helmHome)
return nil
}
func addRepository(name, url string, home helmpath.Home) error {
cif := home.CacheIndex(name)
if err := repo.DownloadIndexFile(name, url, cif); err != nil {
return fmt.Errorf("Looks like %q is not a valid chart repository or cannot be reached: %s", url, err.Error())
}
return insertRepoLine(name, url, home)
}
func updateRepository(name, url string, home helmpath.Home) error {
cif := home.CacheIndex(name)
if err := repo.DownloadIndexFile(name, url, cif); err != nil {
return err
}
return updateRepoLine(name, url, home)
}
func removeRepoCache(name string, home helmpath.Home) error {
if _, err := os.Stat(home.CacheIndex(name)); err == nil {
err = os.Remove(home.CacheIndex(name))
if err != nil {
return err
}
}
return nil
}
// ensureTestHome creates a home directory like ensureHome, but without remote references.
//
// t is used only for logging.
func ensureTestHome(home helmpath.Home, t *testing.T) error {
configDirectories := []string{home.String(), home.Repository(), home.Cache(), home.LocalRepository(), home.Plugins(), home.Starters()}
for _, p := range configDirectories {
if fi, err := os.Stat(p); err != nil {
if err := os.MkdirAll(p, 0755); err != nil {
return fmt.Errorf("Could not create %s: %s", p, err)
}
} else if !fi.IsDir() {
return fmt.Errorf("%s must be a directory", p)
}
}
repoFile := home.RepositoryFile()
if fi, err := os.Stat(repoFile); err != nil {
rf := repo.NewRepoFile()
rf.Add(&repo.Entry{
Name: "charts",
URL: "http://example.com/foo",
Cache: "charts-index.yaml",
}, &repo.Entry{
Name: "local",
URL: "http://localhost.com:7743/foo",
Cache: "local-index.yaml",
})
if err := rf.WriteFile(repoFile, 0644); err != nil {
return err
}
} else if fi.IsDir() {
return fmt.Errorf("%s must be a file, not a directory", repoFile)
}
if r, err := repo.LoadRepositoriesFile(repoFile); err == repo.ErrRepoOutOfDate {
t.Log("Updating repository file format...")
if err := r.WriteFile(repoFile, 0644); err != nil {
return err
}
}
localRepoIndexFile := home.LocalRepository(localRepoIndexFilePath)
if fi, err := os.Stat(localRepoIndexFile); err != nil {
i := repo.NewIndexFile()
if err := i.WriteFile(localRepoIndexFile, 0644); err != nil {
return err
}
//TODO: take this out and replace with helm update functionality
os.Symlink(localRepoIndexFile, home.CacheIndex("local"))
} else if fi.IsDir() {
return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile)
}
t.Logf("$HELM_HOME has been configured at %s.\n", helmHome)
return nil
}
func updateRepoLine(name, url string, home helmpath.Home) error {
cif := home.CacheIndex(name)
f, err := repo.LoadRepositoriesFile(home.RepositoryFile())
if err != nil {
return err
}
f.Update(&repo.Entry{
Name: name,
URL: url,
Cache: filepath.Base(cif),
})
return f.WriteFile(home.RepositoryFile(), 0666)
}
func insertRepoLine(name, url string, home helmpath.Home) error {
cif := home.CacheIndex(name)
f, err := repo.LoadRepositoriesFile(home.RepositoryFile())
if err != nil {
return err
}
if f.Has(name) {
return fmt.Errorf("The repository name you provided (%s) already exists. Please specify a different name.", name)
}
f.Add(&repo.Entry{
Name: name,
URL: url,
Cache: filepath.Base(cif),
})
return f.WriteFile(home.RepositoryFile(), 0644)
}
func updateCharts(repos []*repo.Entry, verbose bool, out io.Writer, home helmpath.Home) {
fmt.Fprintln(out, "Hang tight while we grab the latest from your chart repositories...")
var wg sync.WaitGroup
for _, re := range repos {
wg.Add(1)
go func(n, u string) {
defer wg.Done()
if n == localRepository {
// We skip local because the indices are symlinked.
return
}
err := repo.DownloadIndexFile(n, u, home.CacheIndex(n))
if err != nil {
fmt.Fprintf(out, "...Unable to get an update from the %q chart repository (%s):\n\t%s\n", n, u, err)
} else {
fmt.Fprintf(out, "...Successfully got an update from the %q chart repository\n", n)
}
}(re.Name, re.URL)
}
wg.Wait()
fmt.Fprintln(out, "Update Complete. ⎈ Happy Helming!⎈ ")
}