Restructured testing, print fatal errors

.env.sample

@@ -0,0 +1,6 @@
+PLUGIN_SERVER=
+PLUGIN_CA=
+PLUGIN_TOKEN=
+PLUGIN_TEMPLATE=
+PLUGIN_NAME=
+PLUGIN_COMMIT=

.gitignore

@@ -1,6 +1,4 @@
 vendor
 build/kubano
-test
-test.sh
-.env
 .DS_Store
+.env

README.md

@@ -24,7 +24,7 @@ Add the following [build step](https://docs.drone.io/user-guide/pipeline/steps/)
 
 ## Deployment templates
 
-Deployment config files are first interpreted by **aymerick/raymond** ([handlebarsjs](http://handlebarsjs.com/) equivalent). You can use all available raymond expressions and anything you put in settings prefixed with the PLUGIN_* environment variables e.g. `{{PLUGIN.NAMESPACE}}`. See [example/deployment.template.yaml](/example/deployment.template.yaml) for a complete example.
+Deployment config files are first interpreted by **aymerick/raymond** ([handlebarsjs](http://handlebarsjs.com/) equivalent). You can use all available raymond expressions and anything you put in settings will be made available in your deployment template e.g. `{{namespace}}`. See [example/deployment.template.yaml](/example/deployment.template.yaml) for a complete example.
 
 #### Adding a service account to Kubernetes that can manage deployments
 See [example/Role.yaml](example/Role.yaml), [example/ServiceAccount.yaml](example/ServiceAccount.yaml), [example/RoleBinding.yaml](example/RoleBinding.yaml).

main.go

@@ -20,6 +20,6 @@ func main() {
 	fmt.Printf(os.Getenv("PLUGIN_SKIP_TLS"))
 	err := plugin.Exec()
 	if err != nil {
-		log.Fatal(err)
+		log.Fatalf("Fatal error: \n%s", err)
 	}
 }

plugin.go

@@ -63,7 +63,8 @@ func (p Plugin) Exec() error {
 	}
 	// Parse template
 	depYaml, err := raymond.Render(string(raw), ctx)
-	fmt.Printf("%s", depYaml)
+
+	fmt.Printf("Updating deployment template: \n%s", depYaml)
 	if err != nil {
 		panic(err)
 	}
@@ -73,6 +74,6 @@ func (p Plugin) Exec() error {
 		log.Fatal(err.Error())
 	}
 	deployment := CreateDeploymentObj(depYaml)
-	UpdateDeployment(clientset, p.KubeConfig.Namespace, deployment)
+	err = UpdateDeployment(clientset, p.KubeConfig.Namespace, deployment)
 	return err
 }

test.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+go build -o build/kubano
+export $(cat .env | xargs) && ./build/kubano
+
+# docker run --env-file=.env drone-kubano

test/deployment.template.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{name}}
+spec:
+  selector:
+    matchLabels:
+      app: {{name}}
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: {{name}}
+    spec:
+      containers:
+      - name: nginx
+        image: 10.0.0.24:443/test:example.{{commit}}
+        ports:
+        - containerPort: 80
+      imagePullSecrets:
+      - name: regcred