Clean up tagging docs.

h/t @richardcase

README.md

@@ -127,7 +127,9 @@ To use a pre-existing EC2 key pair in `us-east-1` region, you can specify key pa
 eksctl create cluster --ssh-public-key=my_kubernetes_key --region=us-east-1
 ```
 
-To add custom tags to each stack, you can specify tags: 
+To add custom tags for all resources, use `--tags`. Note that until
+https://github.com/weaveworks/eksctl/issues/25 is resolved, tags will
+apply to CloudFormation stacks but not EKS clusters.
 
 ```
 eksctl create cluster --tags environment=staging --region=us-east-1

cmd/eksctl/create.go

@@ -68,7 +68,7 @@ func createClusterCmd() *cobra.Command {
 
 	fs.StringVarP(&cfg.Region, "region", "r", DEFAULT_EKS_REGION, "AWS region")
 	fs.StringVarP(&cfg.Profile, "profile", "p", "", "AWS credentials profile to use (overrides the AWS_PROFILE environment variable)")
-	fs.StringToStringVarP(&cfg.Tags, "tags", "", map[string]string{}, "Custom tags")
+	fs.StringToStringVarP(&cfg.Tags, "tags", "", map[string]string{}, `A list of KV pairs used to tag the AWS resources (e.g. "Owner=John Doe,Team=Some Team")`)
 
 	fs.StringVarP(&cfg.NodeType, "node-type", "t", DEFAULT_NODE_TYPE, "node instance type")
 	fs.IntVarP(&cfg.Nodes, "nodes", "N", DEFAULT_NODE_COUNT, "total number of nodes (for a static ASG)")

pkg/cfn/manager/api.go

@@ -40,7 +40,7 @@ func NewStackCollection(provider api.ClusterProvider, spec *api.ClusterConfig) *
 	for key, value := range spec.Tags {
 		tags = append(tags, newTag(key, value))
 	}
-	fmt.Println("TAGS", tags)
+	logger.Debug("tags = %#v", tags)
 	return &StackCollection{
 		cfn:  provider.CloudFormation(),
 		spec: spec,