// dependencyCache builds a map of chart and Chartfile.
func dependencyCache(chartdir string) (map[string]*chart.Chartfile, error) {
cache := map[string]*chart.Chartfile{}
dir, err := os.Open(chartdir)
if err != nil {
return cache, err
}
defer dir.Close()
fis, err := dir.Readdir(0)
if err != nil {
return cache, err
}
for _, fi := range fis {
if !fi.IsDir() {
continue
}
cf, err := chart.LoadChartfile(filepath.Join(chartdir, fi.Name(), "Chart.yaml"))
if err != nil {
// If the chartfile does not load, we ignore it.
continue
}
cache[fi.Name()] = cf
}
return cache, nil
}
// Fetch gets a chart from the source repo and copies to the workdir.
//
// - chartName is the source
// - lname is the local name for that chart (chart-name); if blank, it is set to the chart.
// - homedir is the home directory for the user
func Fetch(chartName, lname, homedir string) {
r := mustConfig(homedir).Repos
repository, chartName := r.RepoChart(chartName)
if lname == "" {
lname = chartName
}
fetch(chartName, lname, homedir, repository)
chartFilePath := filepath.Join(homedir, WorkspaceChartPath, lname, "Chart.yaml")
cfile, err := chart.LoadChartfile(chartFilePath)
if err != nil {
log.Die("Source is not a valid chart. Missing Chart.yaml: %s", err)
}
deps, err := dependency.Resolve(cfile, filepath.Join(homedir, WorkspaceChartPath))
if err != nil {
log.Warn("Could not check dependencies: %s", err)
return
}
if len(deps) > 0 {
log.Warn("Unsatisfied dependencies:")
for _, d := range deps {
log.Msg("\t%s %s", d.Name, d.Version)
}
}
log.Info("Fetched chart into workspace %s", filepath.Join(homedir, WorkspaceChartPath, lname))
log.Info("Done")
}
func search(term, base, table string, charts map[string]*chart.Chartfile) error {
dirs, err := filepath.Glob(base)
if err != nil {
return fmt.Errorf("No results found. %s", err)
} else if len(dirs) == 0 {
return errors.New("No results found.")
}
r, err := regexp.Compile(term)
if err != nil {
log.Die("Invalid expression %q: %s", term, err)
}
for _, dir := range dirs {
cname := filepath.Join(table, filepath.Base(dir))
chrt, err := chart.LoadChartfile(filepath.Join(dir, "Chart.yaml"))
if err != nil {
// This dir is not a chart. Skip it.
continue
} else if r.MatchString(chrt.Name) || r.MatchString(chrt.Description) {
charts[cname] = chrt
}
}
return nil
}
// List lists all of the local charts.
func List(homedir string) {
md := filepath.Join(homedir, WorkspaceChartPath, "*")
charts, err := filepath.Glob(md)
if err != nil {
log.Warn("Could not find any charts in %q: %s", md, err)
}
for _, c := range charts {
cname := filepath.Base(c)
if ch, err := chart.LoadChartfile(filepath.Join(c, "Chart.yaml")); err == nil {
log.Info("\t%s (%s %s) - %s", cname, ch.Name, ch.Version, ch.Description)
continue
}
log.Info("\t%s (unknown)", cname)
}
}
func TestResolve(t *testing.T) {
cf, err := chart.LoadChartfile(filepath.Join(testInstalldir, "deptest/Chart.yaml"))
if err != nil {
t.Errorf("Could not load chartfile deptest/Chart.yaml: %s", err)
}
missed, err := Resolve(cf, testInstalldir)
if err != nil {
t.Errorf("could not resolve deps in %s: %s", testInstalldir, err)
}
if len(missed) != 2 {
t.Fatalf("Expected dep3 and honkIfYouLoveDucks to be returned")
}
if missed[0].Name != "dep3" {
t.Errorf("Expected dep3 in slot 0. Got %s", missed[0].Name)
}
if missed[1].Name != "honkIfYouLoveDucks" {
t.Errorf("Expected honkIfYouLoveDucks in slot 1. Got %s", missed[1].Name)
}
}
// Info prints information about a chart.
//
// - chartName to display
// - homeDir is the helm home directory for the user
// - format is a optional Go template
func Info(chartName, homedir, format string) {
r := mustConfig(homedir).Repos
table, chartLocal := r.RepoChart(chartName)
chartPath := filepath.Join(homedir, CachePath, table, chartLocal, "Chart.yaml")
if format == "" {
format = defaultInfoFormat
}
chart, err := chart.LoadChartfile(chartPath)
if err != nil {
log.Die("Could not find chart %s: %s", chartName, err.Error())
}
tmpl, err := template.New("info").Parse(format)
if err != nil {
log.Die("%s", err)
}
if err = tmpl.Execute(log.Stdout, chart); err != nil {
log.Die("%s", err)
}
}