Update to cirros 0.5.1

Change-Id: I70bf4f7984b3d04a9c74678a7a972ab92192d0ee

doc/source/install/offline-install.rst

@@ -45,7 +45,7 @@ this.
 
     ipa_kernel_upstream_url: file:///vagrant/ipa-centos8-master.kernel
     ipa_ramdisk_upstream_url: file:///vagrant/ipa-centos8-master.initramfs
-    cirros_deploy_image_upstream_url: file:///vagrant/cirros-0.4.0-x86_64-disk.img
+    cirros_deploy_image_upstream_url: file:///vagrant/cirros-0.5.1-x86_64-disk.img
     dib_git_url: file:///vagrant/git/diskimage-builder
     ironicclient_git_url: file:///vagrant/git/python-ironicclient
     ironic_git_url: file:///vagrant/git/ironic

playbooks/roles/bifrost-ironic-install/defaults/main.yml

@@ -95,7 +95,7 @@ use_cirros: false
 download_ipa: true
 update_repos: true
 update_ipa: "{{ update_repos }}"
-cirros_deploy_image_upstream_url: https://download.cirros-cloud.net/0.4.0/cirros-0.4.0-x86_64-disk.img
+cirros_deploy_image_upstream_url: https://download.cirros-cloud.net/0.5.1/cirros-0.5.1-x86_64-disk.img
 # By default bifrost will deploy dnsmasq to utilize as an integrated DHCP
 # server.  If you already have a DHCP server, you will need to disable
 # this setting, and perform manual configuration of your DHCP server.

playbooks/test-bifrost.yaml

@@ -42,7 +42,7 @@
       when: ci_testing | default(false)| bool
     - name: "Use a cached cirros image"
       set_fact:
-        cirros_deploy_image_upstream_url: file:///opt/cache/files/cirros-0.4.0-x86_64-disk.img
+        cirros_deploy_image_upstream_url: file:///opt/cache/files/cirros-0.5.1-x86_64-disk.img
       when: ci_testing | default(false)| bool
   roles:
     - role: bifrost-keystone-install

releasenotes/notes/cirros-0.5.1-d09a433cbea1a3b9.yaml

@@ -0,0 +1,4 @@
+---
+other:
+  - |
+    The version of cirros used by default is now 0.5.1 (instead of 0.4.0).