Merge pull request #38 from codefresh-io/add-version

support chart version with "--version" flag

main.go

@@ -35,9 +35,14 @@ func main() {
 		},
 		cli.StringFlag{
 			Name:   "chart",
-			Usage:  "Kubernetes helm release",
+			Usage:  "Kubernetes helm chart name",
 			EnvVar: "PLUGIN_CHART,CHART",
 		},
+		cli.StringFlag{
+			Name:   "chart-version",
+			Usage:  "specify the exact chart version to use. If this is not specified, the latest version is used",
+			EnvVar: "PLUGIN_CHART_VERSION,CHART_VERSION",
+		},
 		cli.StringFlag{
 			Name:   "values",
 			Usage:  "Kubernetes helm release",
@@ -134,6 +139,7 @@ func run(c *cli.Context) error {
 			ValuesFiles:   c.String("values_files"),
 			Release:       c.String("release"),
 			Chart:         c.String("chart"),
+			Version:       c.String("chart-version"),
 			Debug:         c.Bool("debug"),
 			DryRun:        c.Bool("dry-run"),
 			Secrets:       c.StringSlice("secrets"),

plugin.go

@@ -26,6 +26,7 @@ type (
 		Namespace     string   `json:"namespace"`
 		Release       string   `json:"release"`
 		Chart         string   `json:"chart"`
+		Version       string   `json:"version"`
 		Values        string   `json:"values"`
 		ValuesFiles   string   `json:"values_files"`
 		Debug         bool     `json:"debug"`
@@ -68,6 +69,10 @@ func setPushEventCommand(p *Plugin) {
 		upgrade = append(upgrade, p.Config.Release)
 	}
 	upgrade = append(upgrade, p.Config.Chart)
+	if p.Config.Version != "" {
+		upgrade = append(upgrade, "--version")
+		upgrade = append(upgrade, p.Config.Version)
+	}
 	if p.Config.Values != "" {
 		upgrade = append(upgrade, "--set")
 		upgrade = append(upgrade, p.Config.Values)

plugin_test.go

@@ -52,6 +52,7 @@ func TestGetHelmCommand(t *testing.T) {
 			Debug:         true,
 			DryRun:        true,
 			Chart:         "./chart/test",
+			Version:       "1.2.3",
 			Release:       "test-release",
 			Values:        "image.tag=v.0.1.0,nameOverride=my-over-app",
 			Wait:          true,
@@ -62,7 +63,7 @@ func TestGetHelmCommand(t *testing.T) {
 	}
 	setHelmCommand(plugin)
 	res := strings.Join(plugin.Config.HelmCommand[:], " ")
-	expected := "upgrade --install test-release ./chart/test --set image.tag=v.0.1.0,nameOverride=my-over-app --namespace default --dry-run --debug --wait --reuse-values --timeout 500 --force"
+	expected := "upgrade --install test-release ./chart/test --version 1.2.3 --set image.tag=v.0.1.0,nameOverride=my-over-app --namespace default --dry-run --debug --wait --reuse-values --timeout 500 --force"
 	if res != expected {
 		t.Errorf("Result is %s and we expected %s", res, expected)
 	}