TOPS-102 Generate Ansible Inventory

.gitlab-ci.yml

@@ -77,12 +77,13 @@ create:
   script:
     - terraform apply -auto-approve
   rules:
-    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH || $CI_COMMIT_BRANCH == "aaron-dev"'
       when: on_success
     - when: never
   artifacts:
     paths:
       - ${TF_ROOT}/.terraform
+      - ${TF_ROOT}/hosts.ini
 
 # Ansible section here
 run-playbooks:
@@ -95,7 +96,7 @@ run-playbooks:
   script:
     - echo $(/bin/true)
   rules:
-    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH || $CI_COMMIT_BRANCH == "aaron-dev"'
       when: on_success
     - when: never
 
@@ -109,7 +110,7 @@ destroy:
   script:
     - terraform destroy -auto-approve
   rules:
-    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH || $CI_COMMIT_BRANCH == "aaron-dev"'
       when: manual
     - when: never
   artifacts:

terraform/lxc-dhcp.tf

@@ -1,13 +1,9 @@
-module "dhcp1" {
-  source       = "./modules/lxc"
-  cluster_name = "pve1"
-  ip_address   = "${cidrhost(var.subnet, 253)}/${local.cidr_suffix}"
-  hostname     = "dhcp1.${local.domain}"
-}
-
-module "dhcp2" {
-  source       = "./modules/lxc"
-  cluster_name = "pve2"
-  ip_address   = "${cidrhost(var.subnet, 254)}/${local.cidr_suffix}"
-  hostname     = "dhcp2.${local.domain}"
+module "dhcp" {
+  source = "./modules/lxc"
+  count  = 2
+  # This one weird trick. Everyone will hate it.
+  cluster_name = "pve${count.index % 2 + 1}"
+  ip_address   = cidrhost(var.subnet, 253 + count.index)
+  cidr_mask    = local.cidr_suffix
+  hostname     = "dhcp${floor(count.index + 1)}.${local.domain}"
 }

terraform/lxc-dns.tf

@@ -0,0 +1,9 @@
+module "dns" {
+  source = "./modules/lxc"
+  count  = 2
+  # This one weird trick. Everyone will hate it.
+  cluster_name = "pve${count.index % 2 + 1}"
+  ip_address   = cidrhost(var.subnet, 110 + (count.index * 10))
+  cidr_mask    = local.cidr_suffix
+  hostname     = "dns${floor(count.index + 1)}.${local.domain}"
+}

terraform/lxc-graylog.tf

@@ -0,0 +1,8 @@
+module "graylog" {
+  source       = "./modules/lxc"
+  cluster_name = "pve1"
+  ip_address   = cidrhost(var.subnet, 129)
+  cidr_mask    = local.cidr_suffix
+  hostname     = "graylog.${local.domain}"
+  memory       = 4096
+}

terraform/lxc-ntp.tf

@@ -0,0 +1,9 @@
+module "ntp" {
+  source = "./modules/lxc"
+  count  = 2
+  # This one weird trick. Everyone will hate it.
+  cluster_name = "pve${count.index % 2 + 1}"
+  ip_address   = cidrhost(var.subnet, 6 + count.index)
+  cidr_mask    = local.cidr_suffix
+  hostname     = "ntp${floor(count.index + 1)}.${local.domain}"
+}

terraform/lxc-tftp.tf

@@ -0,0 +1,7 @@
+module "tftp" {
+  source       = "./modules/lxc"
+  cluster_name = "pve2"
+  ip_address   = cidrhost(var.subnet, 9)
+  cidr_mask    = local.cidr_suffix
+  hostname     = "tftp.${local.domain}"
+}

terraform/lxc-zabbix.tf

@@ -0,0 +1,7 @@
+module "zabbix" {
+  source       = "./modules/lxc"
+  cluster_name = "pve1"
+  ip_address   = cidrhost(var.subnet, 200)
+  cidr_mask    = local.cidr_suffix
+  hostname     = "zabbix.${local.domain}"
+}

terraform/main.tf

@@ -37,3 +37,23 @@ locals {
   cidr_suffix = element(split("/", var.subnet), 1)
   domain      = "${var.branch}.magevent.net"
 }
+
+resource "local_file" "inventory" {
+  filename = "./hosts.ini"
+  content  = <<-EOF
+    [dhcp]
+    ${module.dhcp[0].ip_address}
+    ${module.dhcp[1].ip_address}
+
+    [dns]
+    ${module.dns[0].ip_address}
+    ${module.dns[1].ip_address}
+
+    [ntp]
+    ${module.ntp[0].ip_address}
+    ${module.ntp[1].ip_address}
+
+    [tftp]
+    ${module.tftp.ip_address}
+    EOF
+}

terraform/modules/lxc/main.tf

@@ -13,6 +13,7 @@ resource "proxmox_lxc" "lxc-container" {
   ostemplate      = "wowza:vztmpl/ubuntu-20.04-standard_20.04-1_amd64.tar.gz"
   unprivileged    = true
   hostname        = var.hostname
+  memory          = var.memory
   cores           = "1"
   swap            = "512"
   start           = true
@@ -31,8 +32,9 @@ EOT
     name   = "eth0"
     bridge = "vmbr999"
     tag    = "22"
-    ip     = var.ip_address
+    ip     = "${var.ip_address}/${var.cidr_mask}"
   }
+
 }
 
 variable "hostname" {
@@ -52,8 +54,23 @@ variable "ip_address" {
   type        = string
 }
 
+variable "cidr_mask" {
+  description = "CIDR for IP subnet"
+  type        = string
+}
+
 variable "size" {
   description = "Size of fs in gigabytes"
   type        = string
   default     = "8G"
 }
+
+variable "memory" {
+  description = "Size of memory in megabytes"
+  type        = string
+  default     = "512"
+}
+
+output "ip_address" {
+  value = var.ip_address
+}