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matrix-docker-ansible-deploy/roles/matrix-prometheus-node-exporter/tasks/setup.yml

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---
#
# Tasks related to setting up matrix-prometheus-node-exporter
#
- name: Ensure matrix-prometheus-node-exporter image is pulled
docker_image:
name: "{{ matrix_prometheus_node_exporter_docker_image }}"
source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
force_source: "{{ matrix_prometheus_node_exporter_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_prometheus_node_exporter_docker_image_force_pull }}"
when: "matrix_prometheus_node_exporter_enabled|bool"
register: result
retries: "{{ matrix_container_retries_count }}"
delay: "{{ matrix_container_retries_delay }}"
until: result is not failed
- name: Ensure matrix-prometheus-node-exporter.service installed
ansible.builtin.template:
src: "{{ role_path }}/templates/systemd/matrix-prometheus-node-exporter.service.j2"
dest: "{{ matrix_systemd_path }}/matrix-prometheus-node-exporter.service"
mode: 0644
register: matrix_prometheus_node_exporter_systemd_service_result
when: matrix_prometheus_node_exporter_enabled|bool
- name: Ensure systemd reloaded after matrix-prometheus.service installation
ansible.builtin.service:
daemon_reload: true
when: "matrix_prometheus_node_exporter_enabled|bool and matrix_prometheus_node_exporter_systemd_service_result.changed"
#
# Tasks related to getting rid of matrix-prometheus-node-exporter (if it was previously enabled)
#
- name: Check existence of matrix-prometheus-node-exporter service
stat:
path: "{{ matrix_systemd_path }}/matrix-prometheus-node-exporter.service"
register: matrix_prometheus_node_exporter_service_stat
- name: Ensure matrix-prometheus-node-exporter is stopped
ansible.builtin.service:
name: matrix-prometheus-node-exporter
state: stopped
enabled: false
daemon_reload: true
register: stopping_result
when: "not matrix_prometheus_node_exporter_enabled|bool and matrix_prometheus_node_exporter_service_stat.stat.exists"
- name: Ensure matrix-prometheus-node-exporter.service doesn't exist
ansible.builtin.file:
path: "{{ matrix_systemd_path }}/matrix-prometheus-node-exporter.service"
state: absent
when: "not matrix_prometheus_node_exporter_enabled|bool and matrix_prometheus_node_exporter_service_stat.stat.exists"
- name: Ensure systemd reloaded after matrix-prometheus-node-exporter.service removal
ansible.builtin.service:
daemon_reload: true
when: "not matrix_prometheus_node_exporter_enabled|bool and matrix_prometheus_node_exporter_service_stat.stat.exists"