From dbf1435fd4474c045e167cc358be534d0bbe6fe7 Mon Sep 17 00:00:00 2001
From: Aaron Guise <aaron@guise.net.nz>
Date: Thu, 17 Mar 2022 12:09:58 +1300
Subject: [PATCH] Added in Terraform provisioner

---
 .drone.jsonnet             | 19 +++++++++++---
 terraform/drone-runners.tf | 53 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 3 deletions(-)
 create mode 100644 terraform/drone-runners.tf

diff --git a/.drone.jsonnet b/.drone.jsonnet
index dafc740..416fe6a 100644
--- a/.drone.jsonnet
+++ b/.drone.jsonnet
@@ -5,7 +5,6 @@ local distros = ['centos7',
                  'debian10', 
                  'debian11'];
 
-
 /* Configuration of DIND */
 local docker_service() =
  {
@@ -49,6 +48,7 @@ local test_distro(distribution) =
 local gen_pipeline(distro) = 
   {kind: 'pipeline',
    type: 'docker',
+   node: {linodrone: true},
    name: 'Test on %(distro)s' % { distro: distro },
    steps: 
     [test_distro(distro)],
@@ -58,12 +58,25 @@ local gen_pipeline(distro) =
    [{
      name: 'dockersock',
      temp: {}, 
-   },
-  ],
+   },],
+   depends_on:
+    ['runners']
   };
 
 // Generate the output
 [ 
+  {kind: 'pipeline',
+   type: 'docker',
+   name: 'runners',
+   steps:
+     [{name: 'Provision with terraform',
+       image: 'hashicorp/terraform:1.1.7',
+       commands: ['cd terraform',
+                 'terraform init',
+                 'terraform plan',
+                 'terraform apply -auto-approve',
+     ]},]
+  },
   gen_pipeline('centos7'),
   gen_pipeline('centos8'),
   gen_pipeline('rockylinux8'),
diff --git a/terraform/drone-runners.tf b/terraform/drone-runners.tf
new file mode 100644
index 0000000..a7ec096
--- /dev/null
+++ b/terraform/drone-runners.tf
@@ -0,0 +1,53 @@
+variable "drone_instances" {
+  description = "How many runner instances should there be?"
+  default = 3
+}
+variable "root_pass" {
+  description = "Root password to set on the node"
+}
+
+variable "linode_api_token" {
+  description = "Linode API Token"
+}
+
+variable "ssh_pubkey" {
+    description = "SSH key to be allowed access by default"
+}
+
+terraform {
+  required_providers {
+    linode = {
+      source = "linode/linode"
+      version = "1.16.0"
+    }
+  }
+}
+
+provider "linode" {
+  token = var.linode_api_token
+}
+
+resource "linode_instance" "terraform-drone" {
+  connection { 
+               type = "ssh"
+               user = "root"
+               password = var.root_pass    
+               host     = self.ip_address  
+             }
+
+        count = var.drone_instances
+        image = "private/15818922"
+        label = "drone-runner-${count.index + 1}"
+        group = "docker"
+        tags = ["tag_Testing","docker"]
+        region = "ap-southeast"
+        type = "g6-nanode-1"
+        authorized_keys = [ var.ssh_pubkey ]
+        root_pass = var.root_pass
+
+  provisioner "remote-exec" {
+    inline = [
+        "yum upgrade -y && systemctl restart docker",
+    ]
+  }
+}
\ No newline at end of file