add pushgateway role

This commit is contained in:
Ryan Cavicchioni 2022-08-30 07:50:07 -05:00
parent 749934f9e1
commit eae4e0120c
Signed by: ryanc
GPG Key ID: 877EEDAF9245103D
9 changed files with 248 additions and 0 deletions

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---
pushgateway_go_arch_map:
i386: '386'
x86_64: 'amd64'
pushgateway_go_arch: "{{ pushgateway_go_arch_map[ansible_architecture] | default('amd64') }}"
pushgateway_service_name: pushgateway.service
pushgateway_service_enabled: true
pushgateway_service_state: started
pushgateway_version_regex: ^pushgateway, version ([\d.]+)
pushgateway_github_project_url: https://github.com/prometheus/pushgateway
pushgateway_release_file: "pushgateway-{{ pushgateway_version }}.{{ ansible_system | lower }}-{{ pushgateway_go_arch }}.tar.gz"
pushgateway_release_url: "{{ pushgateway_github_project_url }}/releases/download/v{{ pushgateway_version }}/{{ pushgateway_release_file }}"
pushgateway_checksum_url: "{{ pushgateway_github_project_url }}/releases/download/v{{ pushgateway_version }}/sha256sums.txt"
pushgateway_download_path: "/tmp/{{ pushgateway_release_file }}"
pushgateway_unarchive_dest_path: /tmp
pushgateway_extracted_path: "{{ pushgateway_download_path | replace('.tar.gz', '') }}"
pushgateway_user: pushgateway
pushgateway_user_state: present
pushgateway_user_shell: /usr/sbin/nologin
pushgateway_group: pushgateway
pushgateway_group_state: "{{ pushgateway_user_state | default('present') }}"
pushgateway_etc_path: /etc/pushgateway
pushgateway_etc_owner: root
pushgateway_etc_group: root
pushgateway_etc_mode: "0755"
pushgateway_var_path: /var/lib/pushgateway
pushgateway_var_owner: "{{ pushgateway_user }}"
pushgateway_var_group: "{{ pushgateway_group }}"
pushgateway_var_mode: "0755"
pushgateway_bin_path: /usr/local/bin
pushgateway_web_listen_address: 0.0.0.0:9091
pushgateway_port: "{{ pushgateway_web_listen_address.split(':')[1] }}"

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---
- name: restart pushgateway
systemd:
name: pushgateway.service
daemon_reload: true
state: restarted
- name: reload pushgateway
service:
name: pushgateway.service
state: reloaded

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---
- name: create group
group:
name: "{{ pushgateway_group }}"
system: true
state: "{{ pushgateway_group_state | default('present') }}"
- name: create user
user:
name: "{{ pushgateway_user }}"
system: true
shell: "{{ pushgateway_user_shell }}"
group: "{{ pushgateway_group }}"
createhome: false
home: "{{ pushgateway_var_path }}"
state: "{{ pushgateway_user_state | default('present') }}"
- name: create etc path
file:
path: "{{ pushgateway_etc_path }}"
state: directory
owner: "{{ pushgateway_etc_owner }}"
group: "{{ pushgateway_etc_group }}"
mode: "{{ pushgateway_etc_mode }}"
- name: create var path
file:
path: "{{ pushgateway_var_path }}"
state: directory
owner: "{{ pushgateway_var_owner }}"
group: "{{ pushgateway_var_group }}"
mode: "{{ pushgateway_var_mode }}"
- name: configure systemd template
template:
src: pushgateway.service.j2
dest: /etc/systemd/system/pushgateway.service
owner: root
group: root
mode: 0444
notify: restart pushgateway
- name: manage service
service:
name: "{{ pushgateway_service_name }}"
enabled: "{{ pushgateway_service_enabled }}"
state: "{{ pushgateway_service_state }}"

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---
- block:
- name: download archive
get_url:
url: "{{ pushgateway_release_url }}"
dest: "{{ pushgateway_download_path }}"
checksum: "{{ pushgateway_checksum }}"
register: dl
until: dl is success
retries: 5
delay: 10
- name: extract archive
unarchive:
src: "{{ pushgateway_download_path }}"
dest: "{{ pushgateway_unarchive_dest_path }}"
creates: "{{ pushgateway_extracted_path }}/pushgateway"
remote_src: true
- name: install binaries
copy:
src: "{{ pushgateway_extracted_path }}/{{ item }}"
dest: "{{ pushgateway_bin_path }}/{{ item }}"
owner: root
group: root
mode: 0755
remote_src: true
loop:
- pushgateway
notify: restart pushgateway
when: pushgateway_version != pushgateway_local_version

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---
- name: gather os specific variables
include_vars: "{{ lookup('first_found', possible_files) }}"
vars:
possible_files:
files:
- "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
- "{{ ansible_distribution }}.yaml"
- "{{ ansible_os_family }}.yaml"
- "default.yaml"
paths:
- vars
- name: include os specific tasks
include_tasks: "{{ lookup('first_found', possible_files) }}"
vars:
possible_files:
files:
- "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
- "{{ ansible_distribution }}.yaml"
- "{{ ansible_os_family }}.yaml"
- "default.yaml"
paths:
- tasks
- include: pre.yaml
- include: install.yaml
- include: configure.yaml
#- include: nginx.yaml
# when: '"nginx" in ansible_play_role_names'

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---
- name: determine if installed
stat:
path: "{{ pushgateway_bin_path }}/pushgateway"
register: st
- name: set pushgateway_installed
set_fact:
pushgateway_installed: "{{ st.stat.exists | bool }}"
- block:
- name: determine latest version
uri:
url: https://api.github.com/repos/prometheus/pushgateway/releases/latest
return_content: true
body_format: json
register: _latest_version
until: _latest_version.status == 200
retries: 3
- name: set pushgateway_version
set_fact:
pushgateway_version: "{{ _latest_version.json['tag_name'] | regex_replace('^v', '') }}"
- block:
- name: determine installed version
command: "{{ pushgateway_bin_path }}/pushgateway --version"
register: _installed_version_string
changed_when: false
- name: set pushgateway_local_version
set_fact:
pushgateway_local_version: "{{ _installed_version_string.stderr | regex_search(pushgateway_version_regex, '\\1') | first }}"
when: pushgateway_installed
- name: set pushgateway_local_version to 0
set_fact:
pushgateway_local_version: "0"
when: not pushgateway_installed
- block:
- name: get checksums
set_fact:
_checksums: "{{ lookup('url', pushgateway_checksum_url, wantlist=True) }}"
- name: set pushgateway_checksum
set_fact:
pushgateway_checksum: "sha256:{{ item.split(' ') | first }}"
loop: "{{ _checksums }}"
when: "pushgateway_release_file in item"

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[Unit]
Description=Pushgateway
After=network-online.target
[Service]
Type=simple
User={{ pushgateway_user }}
Group={{ pushgateway_group }}
ExecStart={{ pushgateway_bin_path }}/pushgateway \
{% if pushgateway_web_external_url is defined %}
--web.external-url={{ pushgateway_web_external_url }} \
{% endif %}
{% if pushgateway_web_route_prefix is defined %}
--web.route-prefix={{ pushgateway_web_route_prefix }} \
{% endif %}
{% if pushgateway_web_listen_address is defined %}
--web.listen-address={{ pushgateway_web_listen_address }} \
{% endif %}
{% if pushgateway_web_admin_api is defined %}
--web.enable-admin-api={{ pushgateway_web_admin_api }} \
{% endif %}
{% if pushgateway_persistence_file is defined %}
--persistence.file={{ pushgateway_persistence_file }} \
{% endif %}
{% if pushgateway_persistence_interval is defined %}
--persistence.interval={{ pushgateway_persistence_interval }} \
{% endif %}
Restart=always
RestartSec=1
[Install]
WantedBy=multi-user.target

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