Demo Terraform

Author: Christophe Useinovic

README.md

@@ -1,2 +1,2 @@
 # terraform-openstack
-Demo of terraform with OpenStack provider
+deploy with terraform a instance in Openstack

instance.tf

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+resource "openstack_compute_instance_v2" "moninstance" {
+  name        = "demo"
+  image_name  = "${var.image}"
+  flavor_name = "${var.flavor_http}"
+  key_pair    = "${openstack_compute_keypair_v2.user_key.name}"
+  user_data   = "${file("scripts/webserver.sh")}"
+  network {
+    port = openstack_networking_port_v2.moninstance.id
+  }
+}
+
+# Create network port
+resource "openstack_networking_port_v2" "moninstance" {
+  name           = "moninstance-port"
+  network_id     = openstack_networking_network_v2.generic.id
+  admin_state_up = true
+  security_group_ids = [
+    openstack_compute_secgroup_v2.ssh.id,
+    openstack_compute_secgroup_v2.http.id,
+  ]
+  fixed_ip {
+    subnet_id = openstack_networking_subnet_v2.subnet.id
+  }
+}
+
+# Create floating ip
+resource "openstack_networking_floatingip_v2" "fip_moninstance" {
+  pool = "${var.external_network_name}"
+}
+
+# Attach floating ip to instance
+resource "openstack_compute_floatingip_associate_v2" "moninstance" {
+  floating_ip = openstack_networking_floatingip_v2.fip_moninstance.address
+  instance_id = openstack_compute_instance_v2.moninstance.id
+}

network.tf

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+# Router creation
+resource "openstack_networking_router_v2" "generic" {
+  name                = "router"
+  external_network_id = "${var.external_network_id}"
+}
+
+# Network creation
+resource "openstack_networking_network_v2" "generic" {
+  name = "network-private"
+}
+
+#### HTTP SUBNET ####
+
+# Subnet http configuration
+resource "openstack_networking_subnet_v2" "subnet" {
+  name            = var.network_cidr["subnet_name"]
+  network_id      = openstack_networking_network_v2.generic.id
+  cidr            = "${var.network_cidr["cidr"]}"
+}
+
+# Router interface configuration
+resource "openstack_networking_router_interface_v2" "demo" {
+  router_id = openstack_networking_router_v2.generic.id
+  subnet_id = openstack_networking_subnet_v2.subnet.id
+}

output.tf

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+output "address" {
+  value = "${openstack_networking_floatingip_v2.fip_moninstance.address}"
+}

provider.tf

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+provider "openstack" {
+  user_name   = "${var.user_name}"
+  tenant_name = "${var.tenant_name}"
+  password    = "${var.password}"
+  auth_url    = "${var.auth_url}"
+  region      = "${var.region}"
+}

scripts/webserver.sh

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+#!/bin/bash
+apt update 
+apt install -y apache2
+echo "<h1>mon nom est: $(hostname)</h1>" | sudo tee /var/www/html/index.html 1>2

sg.tf

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+resource "openstack_compute_secgroup_v2" "http" {
+  name        = "http"
+  description  = "http port open IN/OUT"
+  rule {
+    from_port   = 80
+    to_port     = 80
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+}
+
+resource "openstack_compute_secgroup_v2" "ssh" {
+  name        = "ssh"
+  description = "ssh port open IN/OUT"
+  rule {
+    from_port   = 22
+    to_port     = 22
+    ip_protocol = "tcp"
+    cidr        = "0.0.0.0/0"
+  }
+}

ssh-key.tf

@@ -0,0 +1,6 @@
+
+resource "openstack_compute_keypair_v2" "user_key" {
+  name       = "chriskey"
+  public_key = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDYym2YIbA+VcSZE0hw0+/uwmLUd5gXI+DdOMsLkMViZR7Ov0N9Ra5X/2jHgXOyfG5zyMn4WgFoU1294w9E285kkW598j0JXQhjjqC9XwALKTWKL6lfpE64MLPPQXAEY0xAbFcifISc8zCjp7dgh7vqm5S1FYR4viw5j083TpLVn2PzZvnZUDg6Ozjt2sJNtESQieNre4MwhRCuO5hj3cNZOREIaVxHwzzTwOcBXXPLdfavLkJ3sBkE48TPcuNkENCOeN4ukPLdhwIzae14QSMP15iA93VVEQCSYA1Mh343+RPhu/98kWqBBZxpoz+0NuVibuX+IUw3bscQazivLztL christophe@Christophe"
+}
+

variables.tf

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+# Provider variables
+# sourced from environment variable
+variable "user_name" {}
+variable "tenant_name" {}
+variable "password" {}
+variable "auth_url" {}
+variable "region" {}
+
+# Image Configuration
+variable "image" {
+  type    = string
+  default = "Ubuntu1804"
+}
+
+# Network Configuration
+variable "external_network_id" {
+  type    = string
+  default = "acc4ebf7-aa8d-4527-bade-7539624426c5"
+}
+
+variable "external_network_name" {
+  type    = string
+  default = "public"
+}
+
+variable "public-subnet" {
+  type    = string
+  default = "1e83732d-298b-4dc2-bc51-939076a7b1f9"
+}
+
+variable "dns_ip" {
+  type    = list(string)
+  default = ["8.8.8.8", "8.8.8.4"]
+}
+
+variable "network_cidr" {
+  type    = map(string)
+  default = {
+    subnet_name = "subnet-private"
+    cidr        = "192.168.100.0/24"
+  }
+}
+
+# Flavor instance
+variable "flavor_http" {
+  type    = string
+  default = "m1.high"
+}