openstack-ansible-lxc_hosts/tasks/lxc_cache_create.yml
Logan V b9152b925c Compress base container using parallel xz
The package for pxz is installed but was not being used, so
the base container compression was only using 1 core during
compression. This change allows pxz to be used which will
compress much faster when multiple cores are available.

Change-Id: I7eee214a69762b36c9bb2b23edad5688189bb967
2016-09-04 09:12:03 -05:00

68 lines
2.4 KiB
YAML

---
# Copyright 2016, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
- name: Remove existing cache archive
file:
path: "{{ lxc_container_cache_path }}/{{ lxc_cache_map.distro }}/{{ lxc_cache_map.release }}/{{ lxc_cache_map.arch }}/default/rootfs.tar.xz"
state: "absent"
tags:
- lxc-cache
- lxc-image-cache-create
# This is using a shell command because the ansible archive module does not
# provide for the options needed to properly create an LXC image archive.
- name: Create lxc image
shell: |
tar -Opc -C /var/lib/lxc/LXC_NAME/rootfs . | {{ lxc_xz_bin }} -{{ lxc_image_compression_ratio }} -c - > rootfs.tar.xz
args:
chdir: "{{ lxc_container_cache_path }}/{{ lxc_cache_map.distro }}/{{ lxc_cache_map.release }}/{{ lxc_cache_map.arch }}/default/"
notify: Destroy base container
tags:
- skip_ansible_lint
- lxc-cache
- lxc-image-cache-create
- name: Create base container to use for overlayfs containers
lxc_container:
name: "{{ lxc_container_base_name }}"
template: "download"
state: stopped
backing_store: "dir"
template_options: "{{ lxc_cache_download_template_options }}"
register: cache_download
retries: 3
delay: 10
until: cache_download|success
when:
- lxc_container_backing_store is defined
- lxc_container_backing_store == 'overlayfs'
- name: Create base container to use for LVM-backed copy-on-write containers
lxc_container:
name: "{{ lxc_container_base_name }}"
template: "download"
state: stopped
backing_store: "lvm"
template_options: "{{ lxc_cache_download_template_options }}"
register: cache_download
retries: 3
delay: 10
until: cache_download|success
when:
- lxc_container_backing_store is defined
- lxc_container_backing_store == 'lvm'
- lxc_container_backing_method is defined
- lxc_container_backing_method == 'copy-on-write'