Add Linode provisioner

Signed-off-by: Ze Chen <[email protected]>

Author: zechen0

README.md

@@ -48,6 +48,7 @@ Completed:
 * [x] Provisioner: Packet.com
 * [x] Provisioner: AWS EC2
 * [x] Provisioner: Azure
+* [x] Provisioner: Linode
 * [x] `inletsctl delete` command
 * [x] Add poll interval `--poll 5s` for use with Civo that applies rate-limiting
 * [x] Install `inlets/inlets-pro` via `inletsctl download` [#12](https://github.com/inlets/inletsctl/issues/12)
@@ -235,6 +236,24 @@ inletsctl delete --provider=azure --id inlets-clever-volhard8 \
   --region=eastus --access-token-file=~/Downloads/client_credentials.json
 ```
 
+### Example usage with Linode
+
+Prerequisites:
+
+* Prepare a Linode API Access Token. See [Create Linode API Access token](https://www.linode.com/docs/platform/api/getting-started-with-the-linode-api/#get-an-access-token)  
+
+
+Create
+```sh
+inletsctl create --provider=linode --access-token=<API Access Token> --region=us-east
+```
+
+Delete
+```sh
+inletsctl delete --provider=linode --access-token=<API Access Token> --id <instance id>
+```
+
+
 ## Downloading inlets or inlets-pro
 
 The `inletsctl download` command can be used to download the inlets or inltets-pro binaries from github

cmd/create.go

@@ -27,7 +27,7 @@ func init() {
 
 	inletsCmd.AddCommand(createCmd)
 
-	createCmd.Flags().StringP("provider", "p", "digitalocean", "The cloud provider - digitalocean, gce, ec2, azure, packet, scaleway, or civo")
+	createCmd.Flags().StringP("provider", "p", "digitalocean", "The cloud provider - digitalocean, gce, ec2, azure, packet, scaleway, linode or civo")
 	createCmd.Flags().StringP("region", "r", "lon1", "The region for your cloud provider")
 	createCmd.Flags().StringP("zone", "z", "us-central1-a", "The zone for the exit node (Google Compute Engine)")
 
@@ -54,7 +54,7 @@ var createCmd = &cobra.Command{
 along with what OS version and spec will be used is explained in the README.
 `,
 	Example: `  inletsctl create  \
-	--provider [digitalocean|packet|ec2|scaleway|civo|gce|azure] \
+	--provider [digitalocean|packet|ec2|scaleway|civo|gce|azure|linode] \
 	--access-token-file $HOME/access-token \
 	--region lon1
 
@@ -261,6 +261,8 @@ func getProvisioner(provider, accessToken, accessTokenFile, secretKey, organisat
 		return provision.NewEC2Provisioner(region, accessToken, secretKey)
 	} else if provider == "azure" {
 		return provision.NewAzureProvisioner(subscriptionID, accessTokenFile)
+	} else if provider == "linode" {
+		return provision.NewLinodeProvisioner(accessToken)
 	}
 	return nil, fmt.Errorf("no provisioner for provider: %s", provider)
 }
@@ -357,6 +359,24 @@ func createHost(provider, name, region, zone, projectID, userData, inletsPort st
 				"imageVersion":   "latest",
 			},
 		}, nil
+	} else if provider == "linode" {
+		// Image:
+		//  List of images can be retrieved using: https://api.linode.com/v4/images
+		//  Example response: .."id": "linode/ubuntu16.04lts", "label": "Ubuntu 16.04 LTS"..
+		// Type:
+		//  Type is the VM plan / size in linode.
+		//  List of type and price can be retrieved using curl https://api.linode.com/v4/linode/types
+		return &provision.BasicHost{
+			Name:     name,
+			OS:       "linode/ubuntu16.04lts",
+			Plan:     "g6-nanode-1",
+			Region:   region,
+			UserData: userData,
+			Additional: map[string]string{
+				"inlets-port": inletsPort,
+				"pro":         fmt.Sprint(pro),
+			},
+		}, nil
 	}
 
 	return nil, fmt.Errorf("no provisioner for provider: %q", provider)

cmd/delete.go

@@ -13,7 +13,7 @@ import (
 
 func init() {
 	inletsCmd.AddCommand(deleteCmd)
-	deleteCmd.Flags().StringP("provider", "p", "digitalocean", "The cloud provider - digitalocean, gce, ec2, packet, scaleway, or civo")
+	deleteCmd.Flags().StringP("provider", "p", "digitalocean", "The cloud provider - digitalocean, gce, ec2, azure, packet, scaleway, linode or civo")
 	deleteCmd.Flags().StringP("region", "r", "lon1", "The region for your cloud provider")
 	deleteCmd.Flags().StringP("zone", "z", "us-central1-a", "The zone for the exit node (Google Compute Engine)")
 

go.mod

@@ -13,7 +13,9 @@ require (
 	github.com/aws/aws-sdk-go v1.26.8
 	github.com/digitalocean/godo v1.27.0
 	github.com/golang/groupcache v0.0.0-20191027212112-611e8accdfc9 // indirect
+	github.com/golang/mock v1.3.1
 	github.com/google/uuid v1.1.1
+	github.com/linode/linodego v0.19.0
 	github.com/morikuni/aec v1.0.0
 	github.com/packethost/packngo v0.2.0
 	github.com/pkg/errors v0.8.1
@@ -29,5 +31,4 @@ require (
 	google.golang.org/appengine v1.6.5 // indirect
 	google.golang.org/genproto v0.0.0-20191115221424-83cc0476cb11 // indirect
 	google.golang.org/grpc v1.25.1 // indirect
-	gopkg.in/yaml.v2 v2.2.7 // indirect
 )