SUSE: Add ability to configure external mirror for openSUSE

Allow deployers to choose a specific mirror by setting the
'lxc_hosts_opensuse_mirror_url' variable

Change-Id: If151501923c5308cfeaee6e33d12df3e7f6959d5

defaults/main.yml

@@ -177,3 +177,11 @@ lxc_cache_download_template_options: >-
 # provided in EPEL is much too old (1.x).
 lxc_centos_package_baseurl: https://copr-be.cloud.fedoraproject.org/results/thm/lxc2.0/epel-7-x86_64/
 lxc_centos_package_key: https://copr-be.cloud.fedoraproject.org/results/thm/lxc2.0/pubkey.gpg
+
+## Set default mirror for openSUSE repositories
+# NOTE(hwoarang): Ensure that the full path to the 'opensuse' directory is used.
+# Additionally, set 'lxc_hosts_opensuse_mirror_obs_url' to a mirror which also mirrors
+# the OBS repositories. If you want to use the same mirror in both cases, then leave the
+# 'lxc_hosts_opensuse_mirror_obs_url' to its default value.
+lxc_hosts_opensuse_mirror_url: 'http://download.opensuse.org'
+lxc_hosts_opensuse_mirror_obs_url: "{{ lxc_hosts_opensuse_mirror_url }}"

releasenotes/notes/opensuse-mirror-url-variable-6660f16c3e9bf1ff.yaml

@@ -0,0 +1,10 @@
+---
+features:
+  - |
+    Deployers can set ``lxc_hosts_opensuse_mirror_url`` to use their
+    preferred mirror for the openSUSE repositories. They can also set the
+    ``lxc_hosts_opensuse_mirror_obs_url`` if they want to set a different
+    mirror for the OBS repositories. If they want to use the same mirror in
+    both cases then they can leave the latter variable to its default value.
+    The full list of mirrors and their capabilities can be obtained at
+    http://mirrors.opensuse.org/

vars/suse-42.yml

@@ -16,7 +16,7 @@
 
 lxc_hosts_external_repo:
   - name: "OBS:Virtualization:containers"
-    uri: "http://download.opensuse.org/repositories/Virtualization:/containers/openSUSE_Leap_{{ ansible_distribution_version }}/"
+    uri: "{{ lxc_hosts_opensuse_mirror_obs_url }}/repositories/Virtualization:/containers/openSUSE_Leap_{{ ansible_distribution_version }}/"
 
 system_config_dir: "/etc/sysconfig"
 systemd_utils_prefix: "/usr/lib/systemd"
@@ -45,6 +45,8 @@ lxc_cache_map:
   copy_from_host:
     - /etc/environment
     - /etc/localtime
+    - /etc/zypp/repos.d/repo-oss
+    - /etc/zypp/repos.d/repo-update
   cache_prep_commands: |
     {{ lxc_cache_prep_pre_commands }}
     mkdir -p /etc/ansible/facts.d/
@@ -54,6 +56,11 @@ lxc_cache_map:
     {% for resolver in lxc_cache_prep_dns %}
     echo "nameserver {{ resolver }}" >> /etc/resolv.conf
     {% endfor %}
+    # Wipe default repositories and recreate them
+    find /etc/zypp/repos.d/*.repo -type f ! -name "repo-oss.repo"-o ! -name "repo-update.repo" -delete
+    # In case the host didn't have any of these two repos then create it (althought that indicates that the host is not in a good state!)
+    [[ ! -e /etc/zypp/repos.d/repo-oss.repo ]] && zypper --quiet ar {{ lxc_hosts_opensuse_mirror_url }}/distribution/leap/{{ ansible_distribution_version }}/repo/oss repo-oss
+    [[ ! -e /etc/zypp/repos.d/repo-update.repo ]] && zypper --quiet ar {{ lxc_hosts_opensuse_mirror_url }}/update/leap/{{ ansible_distribution_version }}/oss/ repo-update
     # Do a complete refresh and fetch the keys without asking
     zypper --gpg-auto-import-keys -n ref -f
     # Disable recommended packages. Only update what's really needed