openstack-ansible-lxc_hosts/tasks/lxc_volume.yml

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3.1 KiB
YAML

---
# Copyright 2017, 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: Check machinectl mount point
command: mountpoint /var/lib/machines
failed_when: false
changed_when: false
register: machinectl_mount
# NOTE(odyssey4me):
# The size is forced to be set in Gigabytes to maintain compatibility
# with the initial implementation done in Pike-Rocky. Do not change
# this without implementing some way of converting any pre-existing
# value properly during a major upgrade.
- name: Set volume size
shell: |
machinectl set-limit {{ lxc_host_machine_volume_size | regex_replace("\D*$", "") }}G
truncate -s '>{{ lxc_host_machine_volume_size | regex_replace("\D*$", "") }}G' /var/lib/machines.raw
changed_when: false
register: machines_create
args:
executable: /bin/bash
tags:
- skip_ansible_lint
- name: Systemd machinectl mount
block:
- name: Format the machines sparse file
filesystem:
fstype: btrfs
dev: /var/lib/machines.raw
- name: Create machines mount point
file:
path: "/var/lib/machines"
state: "directory"
- name: Move machines mount into place
template:
src: var-lib-machines.mount
dest: /etc/systemd/system/var-lib-machines.mount
register: mount_unit
notify:
- Reload systemd units
- Start machines mount
when:
- machinectl_mount.rc != 0
- meta: flush_handlers
- name: Update quota system and group limits
block:
- name: Disable|Enable the machinectl quota system
command: "btrfs quota {{ lxc_host_machine_quota_disabled | bool | ternary('disable', 'enable') }} /var/lib/machines"
changed_when: false
- name: Set the qgroup size|compression limits on machines
command: "btrfs qgroup limit {{ item }} /var/lib/machines"
changed_when: false
with_items:
- "-e {{ lxc_host_machine_qgroup_space_limit }}"
- "-c {{ lxc_host_machine_qgroup_compression_limit }}"
when:
- not lxc_host_machine_quota_disabled | bool
rescue:
- name: Notice regarding quota system
debug:
msg: >-
The machinectl quota system could not be setup. Check the system for
quota system availability otherwise disable it by setting
`lxc_host_machine_quota_disabled` to true.
# NOTE(cloudnull): Because the machines mount may be a manually created sparse
# file we run an online resize to ensure the machines mount is
# the size we expect.
- name: Ensure the machines fs is sized correctly
command: "btrfs filesystem resize max /var/lib/machines"
failed_when: false
when:
- machines_create is changed