Support annotations in environment specs (#733)

* Added annotations to runtime and builder environment specs
* Use crd annotations for env pod

executor/newdeploy/newdeploy.go

@@ -185,9 +185,12 @@ func (deploy *NewDeploy) getDeploymentSpec(fn *crd.Function, env *crd.Environmen
 		return nil, err
 	}
 
-	podAnnotation := make(map[string]string)
+	podAnnotations := env.Metadata.Annotations
+	if podAnnotations == nil {
+		podAnnotations = make(map[string]string)
+	}
 	if deploy.useIstio && env.Spec.AllowAccessToExternalNetwork {
-		podAnnotation["sidecar.istio.io/inject"] = "false"
+		podAnnotations["sidecar.istio.io/inject"] = "false"
 	}
 	resources := deploy.getResources(env, fn)
 
@@ -204,7 +207,7 @@ func (deploy *NewDeploy) getDeploymentSpec(fn *crd.Function, env *crd.Environmen
 			Template: apiv1.PodTemplateSpec{
 				ObjectMeta: metav1.ObjectMeta{
 					Labels:      deployLabels,
-					Annotations: podAnnotation,
+					Annotations: podAnnotations,
 				},
 				Spec: apiv1.PodSpec{
 					Volumes: []apiv1.Volume{