Terraform working with ansible

terraform-code/digitalocean.tf

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+data "digitalocean_ssh_key" "multicloud" {
+  provider = digitalocean.digitalocean
+  name = "multicloud"
+}
+
+resource "digitalocean_tag" "master" {
+  name = "multicloud-k8s-master"
+}
+
+resource "digitalocean_tag" "worker" {
+  name = "multicloud-k8s-worker"
+}
+
+resource "digitalocean_droplet" "master" {
+	provider = digitalocean.digitalocean
+	image = "ubuntu-20-04-x64"
+	name = "multicloud-digitalocean-master"
+	region = "nyc1"
+	size = "s-1vcpu-2gb"
+	count = 1
+	user_data = data.template_file.user-data.rendered
+	tags = [digitalocean_tag.master.id]
+	ssh_keys = [data.digitalocean_ssh_key.multicloud.id]
+}
+
+resource "digitalocean_droplet" "worker" {
+	provider = digitalocean.digitalocean
+	image = "ubuntu-20-04-x64"
+	name = "multicloud-digitalocean-worker"
+	region = "nyc1"
+	size = "s-1vcpu-2gb"
+	count = 1
+	user_data = data.template_file.user-data.rendered
+	tags = [digitalocean_tag.worker.id]
+	ssh_keys = [data.digitalocean_ssh_key.multicloud.id]
+}

terraform-code/home.tf

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+resource "openstack_compute_secgroup_v2" "multicloud_home" {
+  provider = openstack.home
+  name        = "multicloud"
+  description = "multicloud security group"
+
+  rule {
+    from_port   = 22
+    to_port     = 22
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+
+  rule {
+    from_port   = 80
+    to_port     = 80
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+
+  rule {
+    from_port   = 443
+    to_port     = 443
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+}
+
+data "openstack_images_image_v2" "ubuntu" {
+  provider = openstack.home
+  name        = "xenial-image"
+  most_recent = true
+}
+
+resource "openstack_compute_instance_v2" "home-master" {
+  provider = openstack.home
+  name = "multicloud-home-master"
+  flavor_name = "g1.medium"
+  key_pair = "multicloud"
+  security_groups = [openstack_compute_secgroup_v2.multicloud_home.name]
+  image_name = "xenial-image"
+  user_data = data.template_file.user-data.rendered
+  network {
+    name = "GATEWAY_NET"
+  }
+  metadata = {
+    cloud = "home"
+    role = "multicloud-k8s-master"
+  }
+  block_device {
+    uuid                  = data.openstack_images_image_v2.ubuntu.id
+    source_type           = "image"
+    volume_size           = 20
+    boot_index            = 0
+    destination_type      = "volume"
+    delete_on_termination = false
+  }
+  count = 1
+}
+
+resource "openstack_compute_instance_v2" "home-worker" {
+  provider = openstack.home
+  name = "multicloud-home-worker"
+  flavor_name = "g1.medium"
+  key_pair = "multicloud"
+  security_groups = [openstack_compute_secgroup_v2.multicloud_home.name]
+  user_data = data.template_file.user-data.rendered
+  network {
+    name = "GATEWAY_NET"
+  }
+  metadata = {
+    cloud = "home"
+    role = "multicloud-k8s-worker"
+  }
+  block_device {
+    uuid                  = data.openstack_images_image_v2.ubuntu.id
+    source_type           = "image"
+    volume_size           = 20
+    boot_index            = 0
+    destination_type      = "volume"
+    delete_on_termination = false
+  }
+  count = 1
+}

terraform-code/hosts.cfg

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+[workers]
+${ramnode_workers}
+${home_workers}
+${do_workers}
+
+[masters]
+${ramnode_masters}
+${home_masters}
+${do_masters}

terraform-code/provider.tf

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+variable "do_token" {}
+variable "ramnode_password" {}
+variable "ramnode_username" {}
+variable "home_password" {}
+variable "home_username" {}
+
+provider "digitalocean" {
+	token = var.do_token
+	alias = "digitalocean"
+}
+
+provider "openstack" {
+	alias = "ramnode"
+	user_name = var.ramnode_username
+	tenant_id = "e55c0b4382f14a4fb0cd10d76f58881f"
+	password = var.ramnode_password
+	auth_url = "https://nyc-controller.ramnode.com:5000/v3"
+	region = "NYC"
+}
+
+provider "openstack" {
+	alias = "home"
+	user_name = var.home_username
+	tenant_id = "a5c2f0b1bb954c96ad054ae2c586d9c1"
+	password = var.home_password
+	auth_url = "http://10.0.0.108:35357/v3"
+	region = "RegionOne"
+}

terraform-code/ramnode.tf

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+resource "openstack_compute_secgroup_v2" "multicloud_ramnode" {
+  provider = openstack.ramnode
+  name        = "multicloud"
+  description = "multicloud security group"
+
+  rule {
+    from_port   = 22
+    to_port     = 22
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+
+  rule {
+    from_port   = 80
+    to_port     = 80
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+
+  rule {
+    from_port   = 443
+    to_port     = 443
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+}
+
+resource "openstack_compute_instance_v2" "ramnode-master" {
+  provider = openstack.ramnode
+  name = "multicloud-ramnode-master"
+  flavor_name = "2GB SKVM"
+  key_pair = "multicloud"
+  security_groups = [openstack_compute_secgroup_v2.multicloud_ramnode.name]
+  image_name = "Ubuntu 20.04 Server Cloud"
+  user_data = data.template_file.user-data.rendered
+  network {
+    name = "Public"
+  }
+  metadata = {
+    cloud = "ramnode"
+    role = "multicloud-k8s-master"
+  }
+  count = 1
+}
+
+resource "openstack_compute_instance_v2" "ramnode-worker" {
+  provider = openstack.ramnode
+  name = "multicloud-ramnode-worker"
+  flavor_name = "2GB SKVM"
+  key_pair = "multicloud"
+  security_groups = [openstack_compute_secgroup_v2.multicloud_ramnode.name]
+  image_name = "Ubuntu 20.04 Server Cloud"
+  user_data = data.template_file.user-data.rendered
+  network {
+    name = "Public"
+  }
+  metadata = {
+    cloud = "ramnode"
+    role = "multicloud-k8s-worker"
+  }
+  count = 1
+}

terraform-code/terraform-inventory.tf

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+resource "local_file" "hosts_cfg" {
+  content = templatefile("./hosts.cfg",
+    {
+      ramnode_workers = "${join("\n", openstack_compute_instance_v2.ramnode-worker.*.network.0.fixed_ip_v4)}"
+      ramnode_masters = "${join("\n", openstack_compute_instance_v2.ramnode-master.*.network.0.fixed_ip_v4)}"
+      home_workers = "${join("\n", openstack_compute_instance_v2.home-worker.*.network.0.fixed_ip_v4)}"
+      home_masters = "${join("\n", openstack_compute_instance_v2.home-master.*.network.0.fixed_ip_v4)}"
+      do_workers = "${join("\n", digitalocean_droplet.worker.*.ipv4_address)}"
+      do_masters = "${join("\n", digitalocean_droplet.master.*.ipv4_address)}"
+    }
+  )
+  filename = "inventory"
+}

terraform-code/user-data.sh

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+#!/bin/bash                                                                                         
+if ! which docker > /dev/null; then                                                                 
+  curl -s -L https://raw.githubusercontent.com/rancher/install-docker/master/19.03.9.sh | bash      
+fi 
+curl -s https://install.zerotier.com | sudo bash
+zerotier-cli join ${zerotier_network}

terraform-code/userdata.tf

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+variable "zerotier_network" {}
+
+data "template_file" "user-data" {                                                          
+  template = file("./user-data.sh")
+  vars = {
+    zerotier_network = var.zerotier_network
+  }                                                        
+}