mirror of
https://github.com/prometheus-community/ansible
synced 2024-11-10 14:24:25 +00:00
100 lines
3.6 KiB
YAML
100 lines
3.6 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 role 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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node_exporter_systemd_version: "{{ __systemd_version.stdout_lines[0] | regex_replace('^systemd\\s(\\d+).*$', '\\1') }}"
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- name: Naive assertion of proper listen address
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ansible.builtin.assert:
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that:
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- "':' in node_exporter_web_listen_address"
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- name: Assert collectors are not both disabled and enabled at the same time
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ansible.builtin.assert:
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that:
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- "item not in node_exporter_enabled_collectors"
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with_items: "{{ node_exporter_disabled_collectors }}"
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- name: Assert that TLS config is correct
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when: node_exporter_tls_server_config | length > 0
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block:
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- name: Assert that TLS key and cert path are set
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ansible.builtin.assert:
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that:
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- "node_exporter_tls_server_config.cert_file is defined"
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- "node_exporter_tls_server_config.key_file is defined"
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- name: Check existence of TLS cert file
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ansible.builtin.stat:
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path: "{{ node_exporter_tls_server_config.cert_file }}"
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register: __node_exporter_cert_file
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- name: Check existence of TLS key file
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ansible.builtin.stat:
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path: "{{ node_exporter_tls_server_config.key_file }}"
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register: __node_exporter_key_file
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- name: Assert that TLS key and cert are present
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ansible.builtin.assert:
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that:
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- "{{ __node_exporter_cert_file.stat.exists }}"
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- "{{ __node_exporter_key_file.stat.exists }}"
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- name: Check if node_exporter is installed
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ansible.builtin.stat:
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path: "{{ _node_exporter_binary_install_dir }}/node_exporter"
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register: __node_exporter_is_installed
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check_mode: false
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tags:
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- node_exporter_install
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- name: Gather currently installed node_exporter version (if any)
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ansible.builtin.command: "{{ _node_exporter_binary_install_dir }}/node_exporter --version"
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changed_when: false
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register: __node_exporter_current_version_output
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check_mode: false
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when: __node_exporter_is_installed.stat.exists
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tags:
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- node_exporter_install
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- skip_ansible_lint
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- name: Discover latest version
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ansible.builtin.set_fact:
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node_exporter_version: "{{ (lookup('url', 'https://api.github.com/repos/prometheus/node_exporter/releases/latest', split_lines=False) |
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from_json).get('tag_name') | replace('v', '') }}"
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run_once: true
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until: node_exporter_version is version('0.0.0', '>=')
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retries: 10
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when:
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- node_exporter_version == "latest"
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- node_exporter_binary_local_dir | length == 0
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- name: Get node_exporter binary checksum
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when: node_exporter_binary_local_dir | length == 0
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block:
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- name: Get checksum list from github
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ansible.builtin.set_fact:
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__node_exporter_checksums: "{{ lookup('url', 'https://github.com/prometheus/node_exporter/releases/download/v' + node_exporter_version +
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'/sha256sums.txt', wantlist=True) | list }}"
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run_once: true
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until: __node_exporter_checksums is search('linux-' + go_arch + '.tar.gz')
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retries: 10
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- name: "Get checksum for {{ go_arch }}"
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ansible.builtin.set_fact:
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__node_exporter_checksum: "{{ item.split(' ')[0] }}"
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with_items: "{{ __node_exporter_checksums }}"
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when:
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- "('linux-' + go_arch + '.tar.gz') in item"
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