adding destroy support. #88

decision_maker.go

@@ -26,6 +26,12 @@ func makePlan(s *state) *plan {
 // decide makes a decision about what commands (actions) need to be executed
 // to make a release section of the desired state come true.
 func decide(r *release, s *state) {
+	if destroy {
+		if ok, rs := helmReleaseExists(r, ""); ok {
+			deleteRelease(r, rs)
+			return
+		}
+	}
 
 	// check for deletion
 	if !r.Enabled {

init.go

@@ -43,6 +43,7 @@ func init() {
 	flag.BoolVar(&apply, "apply", false, "apply the plan directly")
 	flag.BoolVar(&debug, "debug", false, "show the execution logs")
 	flag.BoolVar(&dryRun, "dry-run", false, "apply the dry-run option for helm commands.")
+	flag.BoolVar(&destroy, "destroy", false, "delete all deployed releases. Purge delete is used if the purge option is set to true for the releases.")
 	flag.BoolVar(&v, "v", false, "show the version")
 	flag.BoolVar(&verbose, "verbose", false, "show verbose execution logs")
 	flag.BoolVar(&noBanner, "no-banner", false, "don't show the banner")
@@ -71,6 +72,10 @@ func init() {
 		logError("ERROR: --apply and --dry-run can't be used together.")
 	}
 
+	if destroy && apply {
+		logError("ERROR: --destroy and --apply can't be used together.")
+	}
+
 	helmVersion = strings.TrimSpace(strings.SplitN(getHelmClientVersion(), ": ", 2)[1])
 	kubectlVersion = strings.TrimSpace(strings.SplitN(getKubectlClientVersion(), ": ", 2)[1])
 
@@ -128,11 +133,6 @@ func init() {
 		}
 	}
 
-	// print all env variables
-	// for _, pair := range os.Environ() {
-	// 	fmt.Println(pair)
-	// }
-
 	// read the TOML/YAML desired state file
 	var fileState state
 	for _, f := range files {

main.go

@@ -38,6 +38,7 @@ var kubectlVersion string
 var pwd string
 var relativeDir string
 var dryRun bool
+var destroy bool
 
 func main() {
 	// set the kubecontext to be used Or create it if it does not exist
@@ -81,6 +82,9 @@ func main() {
 	}
 
 	log.Println("INFO: checking what I need to do for your charts ... ")
+	if destroy {
+		log.Println("WARN: --destroy is enabled. Your releases will be deleted!")
+	}
 
 	p := makePlan(&s)
 	if !keepUntrackedReleases {
@@ -91,7 +95,7 @@ func main() {
 	p.printPlan()
 	p.sendPlanToSlack()
 
-	if apply || dryRun {
+	if apply || dryRun || destroy {
 		p.execPlan()
 	}