ansible-collection-prometheus/roles/redis_exporter/tasks/preflight.yml
Oleg Klyuchkin d044d8894b
feat: Add redis_exporter role (#299)
* feat: Add redis_exporter role


---------

Signed-off-by: anviar <oleg.kluchkin+github@gmail.com>
2024-02-22 14:43:10 +01:00

112 lines
3.7 KiB
YAML

---
- name: Assert usage of systemd as an init system
ansible.builtin.assert:
that: ansible_service_mgr == 'systemd'
msg: "This role only works with systemd"
- name: Install package fact dependencies
become: true
ansible.builtin.package:
name: "{{ _pkg_fact_req }}"
state: present
when: (_pkg_fact_req)
vars:
_pkg_fact_req: "{% if (ansible_pkg_mgr == 'apt') %}\
{{ ('python-apt' if ansible_python_version is version('3', '<') else 'python3-apt') }}
{% else %}\
{% endif %}"
- name: Gather package facts
ansible.builtin.package_facts:
when: "not 'packages' in ansible_facts"
- name: Assert that used version supports listen address type
ansible.builtin.assert:
that:
- >-
redis_exporter_web_listen_address is string
- name: Naive assertion of proper listen address
ansible.builtin.assert:
that:
- >-
[redis_exporter_web_listen_address] |
flatten |
reject('match', '.+:\\d+$') |
list |
length == 0
- name: Assert that TLS config is correct
when:
- redis_exporter_tls_server_key_file | length > 0
- redis_exporter_tls_server_cert_file | length > 0
block:
- name: Assert that TLS key and cert path are set
ansible.builtin.assert:
that:
- "redis_exporter_tls_server_cert_file is defined"
- "redis_exporter_tls_server_key_file is defined"
- name: Check existence of TLS cert file
ansible.builtin.stat:
path: "{{ redis_exporter_tls_server_cert_file }}"
register: __redis_exporter_cert_file
- name: Check existence of TLS key file
ansible.builtin.stat:
path: "{{ redis_exporter_tls_server_key_file }}"
register: __redis_exporter_key_file
- name: Assert that TLS key and cert are present
ansible.builtin.assert:
that:
- "__redis_exporter_cert_file.stat.exists"
- "__redis_exporter_key_file.stat.exists"
- name: Check if redis_exporter is installed
ansible.builtin.stat:
path: "{{ redis_exporter_binary_install_dir }}/redis_exporter"
register: __redis_exporter_is_installed
check_mode: false
tags:
- redis_exporter_install
- name: Gather currently installed redis_exporter version (if any)
ansible.builtin.command: "{{ redis_exporter_binary_install_dir }}/redis_exporter --version"
changed_when: false
register: __redis_exporter_current_version_output
check_mode: false
when: __redis_exporter_is_installed.stat.exists
tags:
- redis_exporter_install
- name: Discover latest version
ansible.builtin.set_fact:
redis_exporter_version: "{{ (lookup('url', 'https://api.github.com/repos/{{ _redis_exporter_repo }}/releases/latest', headers=_github_api_headers,
split_lines=False) | from_json).get('tag_name') | replace('v', '') }}"
run_once: true
until: redis_exporter_version is version('0.0.0', '>=')
retries: 10
when:
- redis_exporter_version == "latest"
- redis_exporter_binary_local_dir | length == 0
- not redis_exporter_skip_install
- name: Get redis_exporter binary checksum
when:
- redis_exporter_binary_local_dir | length == 0
- not redis_exporter_skip_install
block:
- name: Get checksum list from github
ansible.builtin.set_fact:
__redis_exporter_checksums: "{{ lookup('url', redis_exporter_checksums_url, headers=_github_api_headers, wantlist=True) | list }}"
run_once: true
until: __redis_exporter_checksums is search('linux-' + go_arch + '.tar.gz')
retries: 10
- name: "Get checksum for {{ go_arch }}"
ansible.builtin.set_fact:
__redis_exporter_checksum: "{{ item.split(' ')[0] }}"
with_items: "{{ __redis_exporter_checksums }}"
when:
- "('linux-' + go_arch + '.tar.gz') in item"