Merge pull request #101 from jeessy2/master

fix: Add a new parameter "create_namespace"

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine/helm:3.1.1
+FROM alpine/helm:3.2.4
 MAINTAINER Erin Call <erin@liffft.com>
 
 COPY build/drone-helm /bin/drone-helm

docs/parameter_reference.md

@@ -49,6 +49,7 @@ Installations are triggered when the `mode` setting is "upgrade." They can also
 | values_files           | list\<string\> |          |                        | Values to use as `--values` arguments to `helm upgrade`. |
 | reuse_values           | boolean        |          |                        | Reuse the values from a previous release. |
 | skip_tls_verify        | boolean        |          |                        | Connect to the Kubernetes cluster without checking for a valid TLS certificate. Not recommended in production. This is ignored if `skip_kubeconfig` is `true`. |
+| create_namespace       | boolean        |          |                        | Pass --create-namespace to `helm upgrade`. |
 
 ## Uninstallation
 

internal/env/config.go

@@ -33,6 +33,7 @@ type Config struct {
 	StringValues       string   `split_words:"true"`                 // Argument to pass to --set-string in applicable helm commands
 	ValuesFiles        []string `split_words:"true"`                 // Arguments to pass to --values in applicable helm commands
 	Namespace          string   ``                                   // Kubernetes namespace for all helm commands
+	CreateNamespace    bool     `split_words:"true"`                 // Pass --create-namespace to `helm upgrade`
 	KubeToken          string   `split_words:"true"`                 // Kubernetes authentication token to put in .kube/config
 	SkipKubeconfig     bool     `envconfig:"skip_kubeconfig"`        // Skip kubeconfig creation
 	SkipTLSVerify      bool     `envconfig:"skip_tls_verify"`        // Put insecure-skip-tls-verify in .kube/config

internal/run/upgrade.go

@@ -11,18 +11,19 @@ type Upgrade struct {
 	chart   string
 	release string
 
-	chartVersion  string
+	chartVersion    string
-	dryRun        bool
+	dryRun          bool
-	wait          bool
+	wait            bool
-	values        string
+	values          string
-	stringValues  string
+	stringValues    string
-	valuesFiles   []string
+	valuesFiles     []string
-	reuseValues   bool
+	reuseValues     bool
-	timeout       string
+	timeout         string
-	force         bool
+	force           bool
-	atomic        bool
+	atomic          bool
-	cleanupOnFail bool
+	cleanupOnFail   bool
-	certs         *repoCerts
+	certs           *repoCerts
+	createNamespace bool
 
 	cmd cmd
 }
@@ -30,21 +31,22 @@ type Upgrade struct {
 // NewUpgrade creates an Upgrade using fields from the given Config. No validation is performed at this time.
 func NewUpgrade(cfg env.Config) *Upgrade {
 	return &Upgrade{
-		config:        newConfig(cfg),
+		config:          newConfig(cfg),
-		chart:         cfg.Chart,
+		chart:           cfg.Chart,
-		release:       cfg.Release,
+		release:         cfg.Release,
-		chartVersion:  cfg.ChartVersion,
+		chartVersion:    cfg.ChartVersion,
-		dryRun:        cfg.DryRun,
+		dryRun:          cfg.DryRun,
-		wait:          cfg.Wait,
+		wait:            cfg.Wait,
-		values:        cfg.Values,
+		values:          cfg.Values,
-		stringValues:  cfg.StringValues,
+		stringValues:    cfg.StringValues,
-		valuesFiles:   cfg.ValuesFiles,
+		valuesFiles:     cfg.ValuesFiles,
-		reuseValues:   cfg.ReuseValues,
+		reuseValues:     cfg.ReuseValues,
-		timeout:       cfg.Timeout,
+		timeout:         cfg.Timeout,
-		force:         cfg.Force,
+		force:           cfg.Force,
-		atomic:        cfg.AtomicUpgrade,
+		atomic:          cfg.AtomicUpgrade,
-		cleanupOnFail: cfg.CleanupOnFail,
+		cleanupOnFail:   cfg.CleanupOnFail,
-		certs:         newRepoCerts(cfg),
+		certs:           newRepoCerts(cfg),
+		createNamespace: cfg.CreateNamespace,
 	}
 }
 
@@ -95,6 +97,9 @@ func (u *Upgrade) Prepare() error {
 	if u.stringValues != "" {
 		args = append(args, "--set-string", u.stringValues)
 	}
+	if u.createNamespace {
+		args = append(args, "--create-namespace")
+	}
 	for _, vFile := range u.valuesFiles {
 		args = append(args, "--values", vFile)
 	}