// 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")
}
// AltInstall allows loading a chart from the current directory.
//
// It does not directly support chart tables (repos).
func AltInstall(chartName, cachedir, home, namespace string, force bool, dryRun bool) {
// Make sure there is a chart in the cachedir.
if _, err := os.Stat(filepath.Join(cachedir, "Chart.yaml")); err != nil {
log.Die("Expected a Chart.yaml in %s: %s", cachedir, err)
}
// Make sure there is a manifests dir.
if fi, err := os.Stat(filepath.Join(cachedir, "manifests")); err != nil {
log.Die("Expected 'manifests/' in %s: %s", cachedir, err)
} else if !fi.IsDir() {
log.Die("Expected 'manifests/' to be a directory in %s: %s", cachedir, err)
}
// Copy the source chart to the workspace. We ruthlessly overwrite in
// this case.
dest := filepath.Join(home, WorkspaceChartPath, chartName)
if err := copyDir(cachedir, dest); err != nil {
log.Die("Failed to copy %s to %s: %s", cachedir, dest, err)
}
// Load the chart.
c, err := chart.Load(dest)
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, filepath.Join(home, WorkspaceChartPath))
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.")
}
}
msg := "Running `kubectl create -f` ..."
if dryRun {
msg = "Performing a dry run of `kubectl create -f` ..."
}
log.Info(msg)
if err := uploadManifests(c, namespace, dryRun); err != nil {
log.Die("Failed to upload manifests: %s", err)
}
}
// 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 following order:
//
// - Namespaces
// - Secrets
// - Volumes
// - Services
// - Pods
// - ReplicationControllers
func Install(chartName, home, namespace string, force bool, dryRun bool) {
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 := filepath.Join(home, WorkspaceChartPath, 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, filepath.Join(home, WorkspaceChartPath))
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.")
}
}
msg := "Running `kubectl create -f` ..."
if dryRun {
msg = "Performing a dry run of `kubectl create -f` ..."
}
log.Info(msg)
if err := uploadManifests(c, namespace, dryRun); err != nil {
log.Die("Failed to upload manifests: %s", err)
}
log.Info("Done")
PrintREADME(chartName, home)
}