126 lines
3.9 KiB
YAML
126 lines
3.9 KiB
YAML
---
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- name: Set architecture fact
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ansible.builtin.set_fact:
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_prometheus_arch: "{{ {'x86_64': 'amd64', 'aarch64': 'arm64', 'armv7l': 'armv7'}.get(ansible_architecture, 'amd64') }}"
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- name: Get Prometheus release info from GitHub
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ansible.builtin.uri:
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url: >-
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{{ 'https://api.github.com/repos/prometheus/prometheus/releases/latest'
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if prometheus_version == ''
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else 'https://api.github.com/repos/prometheus/prometheus/releases/tags/v' + prometheus_version }}
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headers:
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Accept: "application/vnd.github.v3+json"
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return_content: true
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register: _prometheus_release
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- name: Set version and download URL facts
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ansible.builtin.set_fact:
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_prometheus_version_tag: "{{ _prometheus_release.json.tag_name }}"
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_prometheus_download_url: >-
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{{ _prometheus_release.json.assets
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| selectattr('name', 'search', 'linux-' + _prometheus_arch + '.tar.gz')
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| map(attribute='browser_download_url')
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| first }}
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- name: Read installed version
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ansible.builtin.slurp:
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src: "{{ prometheus_install_dir }}/.version"
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register: _prometheus_installed_raw
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ignore_errors: true
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become: true
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- name: Set installed version fact
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ansible.builtin.set_fact:
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_prometheus_installed_version: >-
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{{ (_prometheus_installed_raw.content | b64decode | trim)
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if _prometheus_installed_raw is not failed else '' }}
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- name: Install or upgrade Prometheus
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when: _prometheus_installed_version != _prometheus_version_tag
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block:
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- name: Download Prometheus archive
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ansible.builtin.get_url:
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url: "{{ _prometheus_download_url }}"
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dest: /tmp/prometheus.tar.gz
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mode: '0644'
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- name: Create Prometheus installation directory
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ansible.builtin.file:
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path: "{{ prometheus_install_dir }}"
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state: directory
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owner: "{{ prometheus_user }}"
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group: "{{ prometheus_group }}"
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mode: '0755'
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become: true
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- name: Extract Prometheus archive
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ansible.builtin.unarchive:
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src: /tmp/prometheus.tar.gz
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dest: "{{ prometheus_install_dir }}"
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remote_src: true
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extra_opts: [--strip-components=1]
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owner: "{{ prometheus_user }}"
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group: "{{ prometheus_group }}"
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become: true
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- name: Write installed version file
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ansible.builtin.copy:
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content: "{{ _prometheus_version_tag }}"
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dest: "{{ prometheus_install_dir }}/.version"
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owner: "{{ prometheus_user }}"
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group: "{{ prometheus_group }}"
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mode: '0644'
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become: true
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- name: Remove downloaded archive
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ansible.builtin.file:
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path: /tmp/prometheus.tar.gz
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state: absent
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- name: Create Prometheus directories
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ansible.builtin.file:
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path: "{{ item }}"
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state: directory
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owner: "{{ prometheus_user }}"
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group: "{{ prometheus_group }}"
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mode: '0755'
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become: true
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loop:
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- "{{ prometheus_data_dir }}"
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- "{{ prometheus_config_dir }}"
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- name: Create Prometheus systemd service
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ansible.builtin.copy:
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content: |
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[Unit]
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Description=Prometheus
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After=network-online.target
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Wants=network-online.target
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[Service]
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Type=simple
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User={{ prometheus_user }}
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Group={{ prometheus_group }}
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ExecStart={{ prometheus_install_dir }}/prometheus \
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--config.file={{ prometheus_config_dir }}/prometheus.yml \
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--storage.tsdb.path={{ prometheus_data_dir }} \
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--web.console.templates={{ prometheus_install_dir }}/consoles \
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--web.console.libraries={{ prometheus_install_dir }}/console_libraries
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Restart=on-failure
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RestartSec=5s
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[Install]
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WantedBy=multi-user.target
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dest: /etc/systemd/system/prometheus.service
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mode: '0644'
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become: true
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- name: Enable and start Prometheus service
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ansible.builtin.systemd:
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name: prometheus
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enabled: "{{ prometheus_service_enabled }}"
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state: "{{ prometheus_service_state }}"
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daemon_reload: true
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become: true
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