make everything more configurable

1-terraform.yml

@@ -5,31 +5,55 @@
 ##########################################
 ###### DEFINE YOUR MACHINES HERE
   vars:
+    # libvirt host vars
+    libvirt_host: [2001:470:6d:22c:1::1]
+    libvirt_storage_pool: kubernetes
+    libvirt_network_bridge: home-lan
+
+    # ansible user vars
+    # python -c 'import crypt; print crypt.crypt("This is my Password", "$1$SomeSalt$")'
+    remote_user_pass: $1$tG6Uv4$BPCIRF6RFuLrJ.lQO1GB8.
+    remote_user_ssh_pubkey: ssh-rsa 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 hybris@sparks
+
+    ## does this make sense??
+    source_cloud_image_name: CentOS-7-x86_64-GenericCloud.qcow2
+    source_cloud_image_url: https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud-1503.qcow2
+
     kubernetes:
       - hostname: k8s-master
         ipv6: 2001:470:6d:22c:42::1
         mac_address: 52:54:00:b2:52:86
+        memory: 5072
+        vcpu: 2
       - hostname: k8s-node-1
         ipv6: 2001:470:6d:22c:42::10
         mac_address: 52:54:00:52:b2:b2
+        memory: 5072
+        vcpu: 2
       - hostname: k8s-node-2
         ipv6: 2001:470:6d:22c:42::20
         mac_address: 52:54:00:52:2f:86
+        memory: 5072
+        vcpu: 2
       - hostname: k8s-node-3
         ipv6: 2001:470:6d:22c:42::30
         mac_address: 52:54:00:52:2f:b2
+        memory: 5072
+        vcpu: 2
       - hostname: k8s-node-4
         ipv6: 2001:470:6d:22c:42::40
         mac_address: 52:54:00:b2:2f:86
+        memory: 5072
+        vcpu: 2
 ######
 ##########################################
 
   tasks:
 
-  # - name: download qcow2 cloud image
-  #   uri:
-  #     url:
-  #     dest:
+  - name: download qcow2 cloud image
+    uri:
+      url: {{ source_cloud_image_url }}
+      dest: /home/{{ remote_user }}/terraform/{{ source_cloud_image_name }}
 
   - name: create vm definitions
     template: 
@@ -71,3 +95,4 @@
     shell: terraform apply "cloud-init-plan"
     args:
       chdir: /home/{{ remote_user }}/terraform
+[]

2-setup-kubernetes.yml

@@ -3,6 +3,10 @@
   remote_user: hybris
   become: yes
 
+  vars:
+    # rename this to something with sense
+    network_default_gw: 2001:470:6d:22c::1
+
   roles:
     - dns
     - proxy

roles/kubernetes/tasks/main.yml

@@ -1,4 +1,22 @@
 ---
+#######################
+#### NETWORK TASKS ####
+#######################
+
+  - name: set static ipv6 for hosts
+    lineinfile:
+      path: /etc/sysconfig/network-scripts/ifcfg-eth0
+      line: {{ item.line }}
+      regexp: {{ item.regexp }}
+    with_items:
+      - { regexp: "^IPV6INIT=", line: "IPV6INIT=yes" }
+      - { regexp: "^IPV6AUTOCONF=", line: "IPV6AUTOCONF=no" }
+      - { regexp: "^IPV6ADDR=", line: "IPV6ADDR={{ host_ipv6 }}"}
+      - { regexp: "^IPV6_DEFAULTGW=", line: "IPV6_DEFAULTGW={{ network_default_gw }}"}
+
+  - name: reboot
+    reboot:
+
 ########################
 #### FIREWALL TASKS ####
 ########################

roles/terraform/files/cloud-init.cfg.j2

@@ -2,10 +2,10 @@
 users:
   - name: {{ remote_user }}
     lock-passwd: false
-    passwd: $1$tG6Uv4$BPCIRF6RFuLrJ.lQO1GB8.
+    passwd: {{ remote_user_pass }}
     sudo: ALL=(ALL) NOPASSWD:ALL
     ssh_authorized_keys:
-      - ssh-rsa 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 hybris@sparks
+      - {{ remote_user_ssh_pubkey }}
 write_files:
 -   content: |
         #!/bin/bash

roles/terraform/files/cloud-init.tf.j2

@@ -1,6 +1,6 @@
 resource "libvirt_cloudinit_disk" "cloud-init-{{ item.hostname }}" {
   name      = "cloud-init-{{ item.hostname }}.iso"
-  pool      = "kubernetes"
+  pool      = "{{ libvirt_storage_pool }}"
   user_data = "${data.template_file.user-data-{{ item.hostname }}.rendered}"
 }
 
@@ -8,17 +8,17 @@ data "template_file" "user-data-{{ item.hostname }}" {
   template = "${file("${path.module}/{{ item.hostname }}.cloud_init.cfg")}"
 }
 
-resource "libvirt_volume" "centos-7-generic-{{ item.hostname }}" {
-  name     = "centos-7-generic-{{ item.hostname }}"
-  source   = "CentOS-7-x86_64-GenericCloud.qcow2"
-  pool     = "kubernetes"
+resource "libvirt_volume" "{{ item.hostname }}" {
+  name     = "{{ item.hostname }}"
+  source   = "{{ source_cloud_image_name }}"
+  pool     = "{{ libvirt_storage_pool }}"
   format   = "qcow2"
 }
 
 resource "libvirt_domain" "domain-{{ item.hostname }}" {
   name   = "{{ item.hostname }}"
-  memory = "1024"
-  vcpu   = 1
+  memory = "{{ item.memory }}"
+  vcpu   = "{{ item.vcpu }}"
 
   cloudinit = "${libvirt_cloudinit_disk.cloud-init-{{ item.hostname }}.id}"
 
@@ -35,7 +35,7 @@ resource "libvirt_domain" "domain-{{ item.hostname }}" {
   }
 
   network_interface {
-    bridge = "home-lan"
+    bridge = "{{ libvirt_network_bridge }}"
     mac    = "{{ item.mac_address }}"
   }
 
@@ -44,7 +44,7 @@ resource "libvirt_domain" "domain-{{ item.hostname }}" {
   }
 
   disk {
-    volume_id = "${libvirt_volume.centos-7-generic-{{ item.hostname }}.id}"
+    volume_id = "${libvirt_volume.{{ item.hostname }}.id}"
   }
 
   graphics {

roles/terraform/files/libvirt_provider.tf

@@ -1,3 +1,3 @@
 provider "libvirt" {
-    uri = "qemu+ssh://[2001:470:6d:22c:1::1]/system?socket=/var/run/libvirt/libvirt-sock"
+    uri = "qemu+ssh://{{ libvirt_host }}/system?socket=/var/run/libvirt/libvirt-sock"
 }