// uploadManifests sends manifests to Kubectl in a particular order.
func uploadManifests(c *chart.Chart, namespace string, client kubectl.Runner) error {
// Install known kinds in a predictable order.
for _, k := range InstallOrder {
for _, m := range c.Kind[k] {
o := m.VersionedObject
o.AddAnnotations(map[string]string{
chart.AnnFile: m.Source,
chart.AnnChartVersion: c.Chartfile.Version,
chart.AnnChartDesc: c.Chartfile.Description,
chart.AnnChartName: c.Chartfile.Name,
})
var data []byte
var err error
if data, err = o.JSON(); err != nil {
return err
}
var action = client.Create
// If it's a keeper manifest, do "kubectl apply" instead of "create."
if manifest.IsKeeper(data) {
action = client.Apply
}
log.Debug("File: %s", string(data))
out, err := action(data, namespace)
log.Msg(string(out))
if err != nil {
return err
}
}
}
// Install unknown kinds afterward. Order here is not predictable.
for _, k := range c.UnknownKinds(InstallOrder) {
for _, o := range c.Kind[k] {
o.VersionedObject.AddAnnotations(map[string]string{chart.AnnFile: o.Source})
data, err := o.VersionedObject.JSON()
if err != nil {
return err
}
out, err := client.Create(data, namespace)
log.Msg(string(out))
if err != nil {
return err
}
}
}
return nil
}
// Target displays information about the cluster
func Target(client kubectl.Runner) {
out, err := client.ClusterInfo()
if err != nil {
log.Err(err.Error())
}
log.Msg(string(out))
}
// 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 := helm.WorkspaceChartDirectory(homedir, lname, Chartfile)
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, helm.WorkspaceChartDirectory(homedir))
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", helm.WorkspaceChartDirectory(homedir, lname))
log.Info("Done")
}
// PrintREADME prints the README file (if it exists) to the console.
func PrintREADME(chart, home string) {
p := helm.WorkspaceChartDirectory(home, chart, "README.*")
files, err := filepath.Glob(p)
if err != nil || len(files) == 0 {
// No README. Skip.
log.Debug("No readme in %s", p)
return
}
f, err := os.Open(files[0])
if err != nil {
log.Warn("Could not read README: %s", err)
return
}
log.Msg(strings.Repeat("=", 40))
io.Copy(log.Stdout, f)
log.Msg(strings.Repeat("=", 40))
f.Close()
}
// ListRepos lists the repositories.
func ListRepos(homedir string) {
rf := mustConfig(homedir).Repos
for _, t := range rf.Tables {
n := t.Name
if t.Name == rf.Default {
n += "*"
}
log.Msg("\t%s\t%s", n, t.Repo)
}
}
// Install loads a chart into Kubernetes.
//
// If the chart is not found in the workspace, it is fetched and then installed.
//
// During install, manifests are sent to Kubernetes in the ordered specified by InstallOrder.
func Install(chartName, home, namespace string, force bool, generate bool, exclude []string, client kubectl.Runner) {
ochart := chartName
r := mustConfig(home).Repos
table, chartName := r.RepoChart(chartName)
if !chartFetched(chartName, home) {
log.Info("No chart named %q in your workspace. Fetching now.", ochart)
fetch(chartName, chartName, home, table)
}
cd := helm.WorkspaceChartDirectory(home, chartName)
c, err := chart.Load(cd)
if err != nil {
log.Die("Failed to load chart: %s", err)
}
// Give user the option to bale if dependencies are not satisfied.
nope, err := dependency.Resolve(c.Chartfile, helm.WorkspaceChartDirectory(home))
if err != nil {
log.Warn("Failed to check dependencies: %s", err)
if !force {
log.Die("Re-run with --force to install anyway.")
}
} else if len(nope) > 0 {
log.Warn("Unsatisfied dependencies:")
for _, d := range nope {
log.Msg("\t%s %s", d.Name, d.Version)
}
if !force {
log.Die("Stopping install. Re-run with --force to install anyway.")
}
}
// Run the generator if -g is set.
if generate {
Generate(chartName, home, exclude, force)
}
CheckKubePrereqs()
log.Info("Running `kubectl create -f` ...")
if err := uploadManifests(c, namespace, client); err != nil {
log.Die("Failed to upload manifests: %s", err)
}
log.Info("Done")
PrintREADME(chartName, home)
}
// printSummary prints a diff of charts after upate
func printSummary(diff string) {
if len(diff) == 0 {
log.Msg("Already up-to-date.")
return
}
s := make(repoSummary)
// parse git diff-tree
for _, line := range strings.Split(diff, "\n") {
kv := strings.Split(line, "\t")
st, chart := kv[0], kv[1]
s.add(st, chart)
}
// width of columns
colwidth := 29
// get console width
maxwidth := 118
if w, _, err := terminal.GetSize(int(os.Stdout.Fd())); err == nil {
maxwidth = w
}
// print results
for st, charts := range s {
switch st {
case "A":
log.Msg("Added %d charts", len(charts))
case "D":
log.Msg("Sent %d charts to the depths", len(charts))
case "M":
log.Msg("Updated %d charts", len(charts))
}
line := ""
for _, ch := range charts {
// if adding this column passes the max
// print and reset to zero
if len(line)+colwidth > maxwidth {
log.Msg(line)
line = ""
}
// append to line with padding
line = fmt.Sprintf("%s%-29s", line, ch)
}
log.Msg(line)
}
}
func uninstallKind(kind []*manifest.Manifest, ns, ktype string, dry bool, client kubectl.Runner) {
for _, o := range kind {
if dry {
log.Msg("%s/%s", ktype, o.Name)
} else {
// If it's a keeper manifest, skip uninstall.
if data, err := o.VersionedObject.JSON(); err == nil {
if manifest.IsKeeper(data) {
log.Warn("Not uninstalling %s %s because of \"helm-keep\" annotation.\n"+
"---> Use kubectl to uninstall keeper manifests.\n", ktype, o.Name)
continue
}
}
out, err := client.Delete(o.Name, ktype, ns)
if err != nil {
log.Warn("Could not delete %s %s (Skipping): %s", ktype, o.Name, err)
}
log.Info(string(out))
}
}
}
// Search looks for packages with 'term' in their name.
func Search(term, homedir string, regexp bool) {
cfg := mustConfig(homedir)
cdir := helm.CacheDirectory(homedir)
i := search.NewIndex(cfg, cdir)
res, err := i.Search(term, 5, regexp)
if err != nil {
log.Die("Failed to search: %s", err)
}
if len(res) == 0 {
log.Err("No results found. Try using '--regexp'.")
return
}
search.SortScore(res)
for _, r := range res {
c, _ := i.Chart(r.Name)
log.Msg("%s - %s", r.Name, c.Description)
}
}
package cli
import (
"github.com/codegangsta/cli"
"github.com/helm/helm-classic/log"
)
var homeCmd = cli.Command{
Name: "home",
Usage: "Displays the location of the Helm Classic home.",
ArgsUsage: "",
Action: func(c *cli.Context) {
log.Msg(home(c))
},
}