ansible-role-systemd_mount/tasks/systemd_mounts.yml
Kevin Carter 29412148c3 Add mount state rescue block
The mount state could be volitile making it so the "restart-or-reload"
option fails to execute. If this happens the task will now be rescued
and the mount state will be attempted using the regular systemd
module.

Change-Id: I86fc03ad7c72fa4cfdfc598f552f936dda653926
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
2018-10-22 19:43:39 +00:00

101 lines
3.2 KiB
YAML

---
# Copyright 2018, 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: Set mount facts
set_fact:
systemd_mount_suffix: "{{ (item.type == 'swap') | ternary('swap', 'mount') }}"
systemd_mount_item: "{{ item.where | default(item.what) }}"
- name: Escape mount service file name
command: systemd-escape -p --suffix="{{ systemd_mount_suffix }}" "{{ systemd_mount_item }}"
changed_when: false
register: mount_service_name
- name: Create mount target(s)
file:
path: "{{ item.where }}"
state: directory
owner: "{{ item.owner | default(omit) }}"
group: "{{ item.group | default(omit) }}"
mode: "0755"
when:
- item.where is defined
- item.state | default('unknown') != 'absent'
- item.type != 'swap'
tags:
- systemd-mount
- name: Create systemd mount services(s)
config_template:
src: "systemd-mount.j2"
dest: "/etc/systemd/system/{{ mount_service_name.stdout }}"
owner: "root"
group: "root"
mode: "0640"
config_overrides: "{{ item.config_overrides | default({}) }}"
config_type: "ini"
when:
- item.state | default('unknown') != 'absent'
tags:
- systemd-mount
- name: Load or Unload mount(s)
systemd:
daemon_reload: yes
name: "{{ mount_service_name.stdout }}"
enabled: "{{ item.enabled | default(true) }}"
when:
- item.state | default('unknown') != 'absent'
# NOTE(cloudnull): The systemd module is not used to start the
# mount because we don't want to inavertently
# "restart" a mount unnecessarily. To ensure
# we're able to load new options without
# requiring a mount restart the systemctl
# command is used with the "reload-or-restart"
# argument. Additionally this command escapes
# the name of the mount. If this command fails
# the task will be rescued and the regular
# systemd module will be attempted before
# failing the task run.
- name: Mount state block
block:
- name: Set the state of the mount
shell: >-
systemctl
{{ systemd_mount_states[item.state] }}
$(systemd-escape -p --suffix="{{ systemd_mount_suffix }}" "{{ systemd_mount_item }}")
args:
warn: no
when:
- item.state is defined
tags:
- skip_ansible_lint
rescue:
- name: Set the state of the mount (fallback)
systemd:
name: "{{ mount_service_name.stdout }}"
state: "{{ item.state }}"
- name: Unload mount(s)
systemd:
daemon_reload: yes
name: "{{ mount_service_name.stdout }}"
enabled: false
no_block: yes
when:
- item.state | default('unknown') == 'absent'
notify: Remove mount