Exemplo n.º 1
0
// 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)
	}
}
Exemplo n.º 2
0
// 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)
}
Exemplo n.º 3
0
// Uninstall removes a chart from Kubernetes.
//
// Manifests are removed from Kubernetes in the following order:
//
// 	- Services (to shut down traffic)
// 	- Pods (which can be part of RCs)
// 	- ReplicationControllers
// 	- Volumes
// 	- Secrets
//	- Namespaces
func Uninstall(chartName, home, namespace string) {
	if !chartFetched(chartName, home) {
		log.Info("No chart named %q in your workspace. Nothing to delete.", chartName)
		return
	}

	cd := filepath.Join(home, WorkspaceChartPath, chartName)
	c, err := chart.Load(cd)
	if err != nil {
		log.Die("Failed to load chart: %s", err)
	}

	log.Info("Running `kubectl delete` ...")
	if err := deleteChart(c, namespace); err != nil {
		log.Die("Failed to completely delete chart: %s", err)
	}
	log.Info("Done")
}