Make storage playbooks idempotent

Also this disables libvirt networking templates, untill we have a
working template requirement.

Change-Id: Id3098b3dc5eec15f41c30d5b656dd3bc9a632e42

vino-builder/assets/entrypoint.sh

@@ -14,6 +14,11 @@
 
 set -ex
 
+READINESS_CHECK_FILE="/tmp/healthy"
+
+## Remove healthy status before starting
+[ -f "${READINESS_CHECK_FILE}" ] && rm ${READINESS_CHECK_FILE}
+
 # wait for libvirt socket to be ready
 TIMEOUT=300
 while [[ ! -e /var/run/libvirt/libvirt-sock ]]; do
@@ -51,10 +56,15 @@ while [[ ${TIMEOUT} -gt 0 ]]; do
 done
 
 ansible-playbook -v \
-    -e @/vino/spec \
     -e @/var/lib/vino-builder/flavors/flavors.yaml \
     -e @/var/lib/vino-builder/flavor-templates/flavor-templates.yaml \
     -e @/var/lib/vino-builder/network-templates/network-templates.yaml \
     -e @/var/lib/vino-builder/storage-templates/storage-templates.yaml \
     -e @$DYNAMIC_DATA_FILE \
-    /playbooks/vino-builder.yaml
+    /playbooks/vino-builder.yaml
+
+touch ${READINESS_CHECK_FILE}
+
+while true; do
+  sleep infinity
+done

vino-builder/assets/playbooks/roles/libvirt/tasks/create-network.yaml

@@ -14,29 +14,19 @@
 # never re-define it
 - name: add networks defined if they do not already exist
   virt_net:
-    command: define
+    state: present
     # looks like setting name here is a redundant, the name is anyways taken from the template xml file, but should set it to make virt_pool module happy.
     name: "{{ item.name }}"
     xml: "{{ item.libvirtTemplate }}"
     uri: "{{ libvirt_uri }}"
-  when: 'item.name not in ansible_libvirt_networks'
   vars:
     nodebridgegw: ipam.bridge_ip
 
-# Re-gather Facts will be available as 'ansible_libvirt_networks'
-- name: re-gather facts on existing virsh networks
+- name: activate the network
   virt_net:
-    command: facts
-    name: ""
-    uri: "{{ libvirt_uri }}"
-  ignore_errors: true
-
-- name: start the network
-  virt_net:
-    command: create
+    state: active
     name: "{{ item.name }}"
     uri: "{{ libvirt_uri }}"
-  when: item.name in ansible_libvirt_networks and ansible_libvirt_networks[item.name].state != "active"
 
 # these are idempotent so require no conditional checks
 - name: autostart the network
@@ -44,9 +34,3 @@
     autostart: yes
     name: "{{ item.name }}"
     uri: "{{ libvirt_uri }}"
-
-- name: activate the network
-  virt_net:
-    state: active
-    name: "{{ item.name }}"
-    uri: "{{ libvirt_uri }}"

vino-builder/assets/playbooks/roles/libvirt/tasks/create-storage.yaml

@@ -4,48 +4,15 @@
     command: facts
     uri: "{{ libvirt_uri }}"
 
-- name: Print value of ansible storage pools
-  debug:
-    msg: "Value of ansible_libvirt_pools is {{ ansible_libvirt_pools }}"
-
-- name: write out storage xml template
-  copy: content="{{item.libvirtTemplate}}" dest="/tmp/storage-{{item.name}}.xml"
-
-- name: define the storage pool
-  shell: "virsh pool-define /tmp/storage-{{item.name}}.xml"
-
-# Re-gather facts after definining additional pools available as 'ansible_libvirt_pools'
-- name: re-gather facts on existing virsh pools after defining missing pools
+- name: define storage the storage pool
   virt_pool:
-    command: facts
-    uri: "{{ libvirt_uri }}"
-
-- name: build the storage pool
-  virt_pool:
-    command: build
-    name: "{{ item.name }}"
-    uri: "{{ libvirt_uri }}"
-  when: item.name in ansible_libvirt_pools and ansible_libvirt_pools[item.name].state != "active"
-
-- name: start the storage pool
-  virt_pool:
-    command: create
-    name: "{{ item.name }}"
-    uri: "{{ libvirt_uri }}"
-  when: item.name in ansible_libvirt_pools and ansible_libvirt_pools[item.name].state != "active"
-
-# these are idempotent so require no conditional checks
-
-# TODO: we are not actually defining configs on the host
-# for some reason we cannot do this
-- name: autostart the storage pool
-  virt_pool:
-    autostart: yes
+    state: present
     name: "{{ item.name }}"
     uri: "{{ libvirt_uri }}"
+    xml: "{{item.libvirtTemplate}}"
 
 - name: activate the storage pool
   virt_pool:
     state: active
     name: "{{ item.name }}"
-    uri: "{{ libvirt_uri }}"
+    uri: "{{ libvirt_uri }}"

vino-builder/assets/playbooks/roles/libvirt/tasks/main.yml

@@ -10,9 +10,9 @@
 # configure networks                     #
 ##########################################
 
-- name: create network
-  include_tasks: create-network.yaml
-  loop: "{{ libvirtNetworks }}"
+# - name: create network
+#   include_tasks: create-network.yaml
+#   loop: "{{ libvirtNetworks }}"
 
 ##########################################
 # configure domains                      #