add linode-tags for adding Tags to created Linodes

Author: displague

README.md

@@ -64,6 +64,7 @@ docker-machine create -d linode --linode-token=<linode-token> --linode-root-pass
 | `linode-stackscript` | `LINODE_STACKSCRIPT` | None | Specifies the Linode StackScript to use to create the instance, either by numeric ID, or using the form *username*/*label*.
 | `linode-stackscript-data` | `LINODE_STACKSCRIPT_DATA` | None | A JSON string specifying data that is passed (via UDF) to the selected StackScript.
 | `linode-create-private-ip` | `LINODE_CREATE_PRIVATE_IP` | None | A flag specifying to create private IP for the Linode instance.
+| `linode-tags` | `LINODE_TAGS` | None | A comma separated list of tags to apply to the the Linode resource
 | `linode-ua-prefix` | `LINODE_UA_PREFIX` | None | Prefix the User-Agent in Linode API calls with some 'product/version'
 
 ## Notes

pkg/drivers/linode/linode.go

@@ -49,6 +49,8 @@ type Driver struct {
 	StackScriptUser  string
 	StackScriptLabel string
 	StackScriptData  map[string]string
+
+	Tags string
 }
 
 var (
@@ -226,6 +228,11 @@ func (d *Driver) GetCreateFlags() []mcnflag.Flag {
 			Name:   "linode-ua-prefix",
 			Usage:  fmt.Sprintf("Prefix the User-Agent in Linode API calls with some 'product/version'"),
 		},
+		mcnflag.StringFlag{
+			EnvVar: "LINODE_TAGS",
+			Name:   "linode-tags",
+			Usage:  fmt.Sprintf("A comma separated list of tags to apply to the the Linode resource"),
+		},
 	}
 }
 
@@ -267,6 +274,7 @@ func (d *Driver) SetConfigFromFlags(flags drivers.DriverOptions) error {
 	d.DockerPort = flags.Int("linode-docker-port")
 	d.CreatePrivateIP = flags.Bool("linode-create-private-ip")
 	d.UserAgentPrefix = flags.String("linode-ua-prefix")
+	d.Tags = flags.String("linode-tags")
 
 	d.SetSwarmConfigFromFlags(flags)
 
@@ -394,6 +402,10 @@ func (d *Driver) Create() error {
 		PrivateIP:       d.CreatePrivateIP,
 	}
 
+	if d.Tags != "" {
+		createOpts.Tags = strings.Split(d.Tags, ",")
+	}
+
 	if d.StackScriptID != 0 {
 		createOpts.StackScriptID = d.StackScriptID
 		createOpts.StackScriptData = d.StackScriptData