From f70970f0e41f3ebc788ba481f1c85b5007ab7881 Mon Sep 17 00:00:00 2001
From: Antoine <antoinroux@hotmail.fr>
Date: Sun, 24 Jan 2021 21:49:30 +0100
Subject: [PATCH] Add third domain, generate ansible toml inventory

generate ansible inventory from terraform provisioned domain
add make hazelcast to run and setup hazelcast onto domain
---
 Makefile            | 22 +++++++++++++++++++++-
 stack/cloud_init.tf |  4 ++--
 stack/computes.tf   |  3 ++-
 stack/libvirtd.tf   | 20 +++++++++++++++-----
 stack/networks.tf   |  9 +++++----
 stack/variable.tf   | 17 +++++------------
 stack/volumes.tf    |  4 ++--
 7 files changed, 52 insertions(+), 27 deletions(-)

diff --git a/Makefile b/Makefile
index adbad4a..abb25c4 100644
--- a/Makefile
+++ b/Makefile
@@ -14,4 +14,24 @@ get-ip:
 	@virsh domifaddr --domain db1
 
 destroy_vm:
-	@terraform destroy -auto-approve -target=libvirt_domain.db1
+	@cd stack && terraform destroy --auto-approve -target=libvirt_domain.db1
+
+destroy_all:
+	@cd stack && terraform destroy --auto-approve
+
+create_all:
+	@cd stack && terraform apply --auto-approve
+
+hazelcast:
+	cd applications/ && \
+	echo "create python venv workspace" && \
+	python3 -m venv workspace && \
+	source workspace/bin/activate && \
+	echo "install python venv and dependencies" && \
+	pip install --upgrade pip && \
+	pip install -r requirements.txt && \
+	echo "install ansible-galaxy dependencies" && \
+	ansible-galaxy install -r hazelcast/requirements.yml && \
+	echo "start playbook" && \
+	ansible-playbook -i stack_address.toml hazelcast/playbook.yml
+
diff --git a/stack/cloud_init.tf b/stack/cloud_init.tf
index 608e9cd..6823c78 100644
--- a/stack/cloud_init.tf
+++ b/stack/cloud_init.tf
@@ -1,5 +1,5 @@
 data "template_file" "user_data" {
-  template = "${file("${path.module}/cloud_init_user_data.yml")}"
+  template = file(format("%s/cloud_init_user_data.yml", path.module))
   vars = {
     hostname = format("%s-%s", var.hostname, count.index)
   }
@@ -7,7 +7,7 @@ data "template_file" "user_data" {
 }
 
 data "template_file" "meta_data" {
-  template = "${file("${path.module}/cloud_init_meta_data.yml")}"
+  template = file(format("%s/cloud_init_meta_data.yml", path.module))
   vars = {
     instance_id = count.index
   }
diff --git a/stack/computes.tf b/stack/computes.tf
index cc995f4..d200b9c 100644
--- a/stack/computes.tf
+++ b/stack/computes.tf
@@ -9,7 +9,8 @@ resource "libvirt_domain" "domains" {
   running   = "true"
   autostart = "true"
 
-  count = var.number_domain
+  count      = var.number_domain
+  qemu_agent = true
 
   boot_device {
     dev = ["hd", "network"]
diff --git a/stack/libvirtd.tf b/stack/libvirtd.tf
index 6e91ab6..28f7e49 100644
--- a/stack/libvirtd.tf
+++ b/stack/libvirtd.tf
@@ -16,10 +16,6 @@ terraform {
       source  = "dmacvicar/libvirt"
       version = ">= 0.6.3"
     }
-    docker = {
-      source  = "kreuzwerker/docker"
-      version = "2.11.0"
-    }
   }
 
   backend "etcdv3" {
@@ -42,7 +38,7 @@ resource "null_resource" "delay_10s" {
     command = "sleep 120"
   }
   triggers = {
-    // trigger after last domain created
+    # trigger after last domain created
     "after" = libvirt_domain.domains[var.number_domain - 1].id
   }
 }
@@ -52,3 +48,17 @@ output "ip" {
   value      = libvirt_domain.domains.*.network_interface
   depends_on = [null_resource.delay_10s]
 }
+
+resource "local_file" "write_address" {
+
+  content = <<-EOT
+[all]
+%{ for idx, s in libvirt_domain.domains.*.network_interface.0.addresses.0 ~}
+${s} index=${idx}
+%{ endfor ~}
+[all:vars]
+ansible_ssh_common_args='-o StrictHostKeyChecking=no'
+  EOT
+
+  filename = "../applications/stack_address.toml"
+}
diff --git a/stack/networks.tf b/stack/networks.tf
index 6973dcf..aca454d 100644
--- a/stack/networks.tf
+++ b/stack/networks.tf
@@ -1,10 +1,11 @@
 # https://github.com/dmacvicar/terraform-provider-libvirt/blob/master/website/docs/r/network.markdown
 
 resource "libvirt_network" "private_network" {
-  name      = "private"
-  mode      = "nat"
-  domain    = "network.local"
-  addresses = ["10.17.3.0/24"]
+  name   = "private"
+  mode   = "bridge" # "nat"
+  bridge = "br0"    # only for bridge mode
+  # domain    = "network.local" # only for nat mode
+  # addresses = [var.ip] # only for nat mode
   autostart = true
   dhcp {
     enabled = true
diff --git a/stack/variable.tf b/stack/variable.tf
index 276727d..c502f2a 100644
--- a/stack/variable.tf
+++ b/stack/variable.tf
@@ -1,12 +1,12 @@
 variable "ip" {
   type        = string
-  default     = "10.17.3.35/"
+  default     = "10.17.3.35/24"
   description = "fixed ip address for compute"
 }
 
 variable "number_domain" {
   type        = string
-  default     = "3"
+  default     = "4"
   description = "number of domain"
 }
 
@@ -28,14 +28,7 @@ variable "pool_1" {
   description = "already created pool name, set with variable because libvirt provider dont' wotk with data resource"
 }
 
-variable "debian_buster_qcow2" {
-  type        = string
-  default     = "debian-10.7.0-with-docker.qcow2"
-  description = "already created debian vol, set with variable because libvirt provider dont' wotk with data resource"
-}
-
-variable "centos7_qcow2" {
-  type        = string
-  default     = "centos7.qcow2"
-  description = "already created centos vol, set with variable because libvirt provider dont' wotk with data resource"
+locals {
+  debian_buster_qcow2 = "debian-10.7.0-with-docker.qcow2"
+  centos7_qcow2       = "centos7.qcow2"
 }
diff --git a/stack/volumes.tf b/stack/volumes.tf
index 490e3c8..7e37565 100644
--- a/stack/volumes.tf
+++ b/stack/volumes.tf
@@ -7,13 +7,13 @@
 resource "libvirt_volume" "root_centos" {
   name             = "my-root-centos"
   pool             = var.pool_1
-  base_volume_name = var.centos7_qcow2
+  base_volume_name = local.centos7_qcow2
 }
 
 resource "libvirt_volume" "root_debian" {
   name             = format("root-debian-%s", count.index)
   pool             = var.pool_1
-  base_volume_name = var.debian_buster_qcow2
+  base_volume_name = local.debian_buster_qcow2
   count            = var.number_domain
 }