mirror of
https://github.com/prometheus-community/ansible
synced 2024-11-27 14:21:29 +00:00
117 lines
4.6 KiB
YAML
117 lines
4.6 KiB
YAML
---
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- name: Assert usage of systemd as an init system
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ansible.builtin.assert:
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that: ansible_service_mgr == 'systemd'
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msg: "This module only works with systemd"
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- name: Get systemd version
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ansible.builtin.command: systemctl --version
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changed_when: false
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check_mode: false
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register: __systemd_version
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tags:
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- skip_ansible_lint
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- name: Set systemd version fact
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ansible.builtin.set_fact:
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prometheus_systemd_version: "{{ __systemd_version.stdout_lines[0].split(' ')[-1] }}"
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- name: Assert no duplicate config flags
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ansible.builtin.assert:
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that:
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- prometheus_config_flags_extra['config.file'] is not defined
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- prometheus_config_flags_extra['storage.tsdb.path'] is not defined
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- prometheus_config_flags_extra['storage.local.path'] is not defined
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- prometheus_config_flags_extra['web.listen-address'] is not defined
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- prometheus_config_flags_extra['web.external-url'] is not defined
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msg: "Detected duplicate configuration entry. Please check your ansible variables and role README.md."
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- name: Assert external_labels aren't configured twice
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ansible.builtin.assert:
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that: prometheus_global.external_labels is not defined
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msg: "Use prometheus_external_labels to define external labels"
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- name: Set prometheus external metrics path
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ansible.builtin.set_fact:
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prometheus_metrics_path: "/{{ (prometheus_web_external_url + '/metrics') | regex_replace('^(.*://)?(.*?)/') }}"
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- name: Fail when prometheus_config_flags_extra duplicates parameters set by other variables
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ansible.builtin.fail:
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msg: >
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Whooops. You are duplicating configuration. Please look at your prometheus_config_flags_extra
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and check against other variables in defaults/main.yml
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with_items:
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- 'storage.tsdb.retention'
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- 'storage.tsdb.path'
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- 'storage.local.retention'
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- 'storage.local.path'
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- 'config.file'
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- 'web.listen-address'
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- 'web.external-url'
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when: item in prometheus_config_flags_extra.keys()
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- name: Get all file_sd files from scrape_configs
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ansible.builtin.set_fact:
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file_sd_files: "{{ prometheus_scrape_configs | json_query('[*][].file_sd_configs[*][].files[]') }}"
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- name: Fail when file_sd targets are not defined in scrape_configs
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ansible.builtin.fail:
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msg: >
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Oh, snap! `{{ item.key }}` couldn't be found in your scrape configs. Please ensure you provided
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all targets from prometheus_targets in prometheus_scrape_configs
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when: not prometheus_config_dir + "/file_sd/" + item.key + ".yml" in file_sd_files
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# when: not item | basename | splitext | difference(['.yml']) | join('') in prometheus_targets.keys()
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with_dict: "{{ prometheus_targets }}"
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- name: Alert when prometheus_alertmanager_config is empty, but prometheus_alert_rules is specified
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ansible.builtin.debug:
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msg: >
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No alertmanager configuration was specified. If you want your alerts to be sent make sure to
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specify a prometheus_alertmanager_config in defaults/main.yml.
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when:
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- prometheus_alertmanager_config == []
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- prometheus_alert_rules != []
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- name: Discover latest version
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when:
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- prometheus_version == "latest"
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- prometheus_binary_local_dir | length == 0
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- not prometheus_skip_install
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block:
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- name: Get latest release
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ansible.builtin.uri:
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url: "https://api.github.com/repos/prometheus/prometheus/releases/latest"
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method: GET
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return_content: true
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status_code: 200
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body_format: json
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validate_certs: false
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ansible.builtin.user: "{{ lookup('env', 'GH_USER') | default(omit) }}"
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password: "{{ lookup('env', 'GH_TOKEN') | default(omit) }}"
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no_log: "{{ not lookup('env', 'ANSIBLE_DEBUG') | bool }}"
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register: _latest_release
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until: _latest_release.status == 200
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retries: 5
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- name: "Set prometheus version to {{ _latest_release.json.tag_name[1:] }}"
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ansible.builtin.set_fact:
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prometheus_version: "{{ _latest_release.json.tag_name[1:] }}"
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- name: Get prometheus binary checksum
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delegate_to: localhost
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when:
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- prometheus_binary_local_dir | length == 0
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- not prometheus_skip_install
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block:
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- name: "Get checksum list"
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ansible.builtin.set_fact:
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__prometheus_checksums: "{{ lookup('url', 'https://github.com/prometheus/prometheus/releases/download/v' + prometheus_version + '/sha256sums.txt', wantlist=True) | list }}"
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run_once: true
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- name: "Get checksum for {{ go_arch }}"
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ansible.builtin.set_fact:
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__prometheus_checksum: "{{ item.split(' ')[0] }}"
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with_items: "{{ __prometheus_checksums }}"
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when:
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- "('linux-' + go_arch + '.tar.gz') in item"
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