initial commit

.drone.jsonnet

@@ -0,0 +1,137 @@
+local PipelineLinting = {
+  kind: 'pipeline',
+  name: 'linting',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  steps: [
+    {
+      name: 'ansible-later',
+      image: 'thegeeklab/ansible-later',
+      commands: [
+        'ansible-later',
+      ],
+    },
+  ],
+  trigger: {
+    ref: ['refs/heads/master', 'refs/tags/**', 'refs/pull/**'],
+  },
+};
+
+local PipelineDeployment(scenario='centos7') = {
+  kind: 'pipeline',
+  name: 'testing-' + scenario,
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  concurrency: {
+    limit: 1,
+  },
+  workspace: {
+    base: '/drone/src',
+    path: '${DRONE_REPO_NAME}',
+  },
+  steps: [
+    {
+      name: 'ansible-molecule',
+      image: 'thegeeklab/molecule:3',
+      environment: {
+        HCLOUD_TOKEN: { from_secret: 'hcloud_token' },
+      },
+      commands: [
+        'molecule test -s ' + scenario,
+      ],
+    },
+  ],
+  depends_on: [
+    'linting',
+  ],
+  trigger: {
+    ref: ['refs/heads/master', 'refs/tags/**'],
+  },
+};
+
+local PipelineDocumentation = {
+  kind: 'pipeline',
+  name: 'documentation',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  steps: [
+    {
+      name: 'generate',
+      image: 'thegeeklab/ansible-doctor',
+      environment: {
+        ANSIBLE_DOCTOR_LOG_LEVEL: 'INFO',
+        ANSIBLE_DOCTOR_FORCE_OVERWRITE: true,
+        ANSIBLE_DOCTOR_EXCLUDE_FILES: 'molecule/',
+        ANSIBLE_DOCTOR_TEMPLATE: 'hugo-book',
+        ANSIBLE_DOCTOR_ROLE_NAME: '${DRONE_REPO_NAME#*.}',
+        ANSIBLE_DOCTOR_OUTPUT_DIR: '_docs/',
+      },
+    },
+    {
+      name: 'publish',
+      image: 'plugins/gh-pages',
+      settings: {
+        remote_url: 'https://gitea.rknet.org/ansible/${DRONE_REPO_NAME}',
+        netrc_machine: 'gitea.rknet.org',
+        username: { from_secret: 'gitea_username' },
+        password: { from_secret: 'gitea_token' },
+        pages_directory: '_docs/',
+        target_branch: 'docs',
+      },
+      when: {
+        ref: ['refs/heads/master'],
+      },
+    },
+  ],
+  trigger: {
+    ref: ['refs/heads/master', 'refs/tags/**', 'refs/pull/**'],
+  },
+  depends_on: [
+    'testing-centos7',
+  ],
+};
+
+local PipelineNotification = {
+  kind: 'pipeline',
+  name: 'notification',
+  platform: {
+    os: 'linux',
+    arch: 'amd64',
+  },
+  clone: {
+    disable: true,
+  },
+  steps: [
+    {
+      name: 'matrix',
+      image: 'plugins/matrix',
+      settings: {
+        homeserver: { from_secret: 'matrix_homeserver' },
+        roomid: { from_secret: 'matrix_roomid' },
+        template: 'Status: **{{ build.status }}**<br/> Build: [{{ repo.Owner }}/{{ repo.Name }}]({{ build.link }}) ({{ build.branch }}) by {{ build.author }}<br/> Message: {{ build.message }}',
+        username: { from_secret: 'matrix_username' },
+        password: { from_secret: 'matrix_password' },
+      },
+    },
+  ],
+  depends_on: [
+    'documentation',
+  ],
+  trigger: {
+    status: ['success', 'failure'],
+    ref: ['refs/heads/master', 'refs/tags/**'],
+  },
+};
+
+[
+  PipelineLinting,
+  PipelineDeployment(scenario='centos7'),
+  PipelineDocumentation,
+  PipelineNotification,
+]

.flake8

@@ -0,0 +1,5 @@
+[flake8]
+ignore = D101, D102, D103, D105, D107, E402, W503
+max-line-length = 99
+inline-quotes = double
+exclude = .git,.tox,__pycache__,build,dist,tests,*.pyc,*.egg-info,.cache,.eggs,env*

.gitignore

@@ -0,0 +1,11 @@
+# ---> Ansible
+*.retry
+plugins
+library
+
+# ---> Python
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+

.later.yml

@@ -0,0 +1,19 @@
+---
+ansible:
+  custom_modules:
+    - iptables_raw
+    - openssl_pkcs12
+    - proxmox_kvm
+    - ucr
+    - corenetworks_dns
+    - corenetworks_token
+
+rules:
+  exclude_files:
+    - molecule/
+    - "LICENSE*"
+    - "**/*.md"
+    - "**/*.ini"
+
+  exclude_filter:
+    - LINT0009

.prettierignore

@@ -0,0 +1 @@
+.drone*

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 Robert Kaussow <mail@thegeeklab.de>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -0,0 +1,10 @@
+# xoxys.prometheus
+
+[![Build Status](https://img.shields.io/drone/build/ansible/xoxys.prometheus?logo=drone&server=https%3A%2F%2Fdrone.rknet.org)](https://drone.rknet.org/ansible/xoxys.prometheus)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?label=license)](LICENSE)
+
+Deploy Prometheus monitoring system. You can find the full documentation at [https://galaxy.geekdocs.de](https://galaxy.geekdocs.de/roles/cloud/prometheus/).
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.

defaults/main.yml

@@ -0,0 +1,125 @@
+---
+prometheus_version: 2.27.0
+prometheus_user: "prometheus_adm"
+prometheus_user_home: "/home/{{ prometheus_user }}"
+prometheus_group: "{{ prometheus_user }}"
+prometheus_extra_groups: []
+
+prometheus_packages: []
+
+prometheus_base_dir: "/opt/prometheus"
+prometheus_config_dir: "{{ prometheus_base_dir }}/conf"
+prometheus_rules_dir: "{{ prometheus_config_dir }}/rules"
+prometheus_file_sd_dir: "{{ prometheus_config_dir }}/file_sd"
+prometheus_data_dir: "{{ prometheus_base_dir }}/data"
+
+prometheus_web_listen_address: "0.0.0.0:9090"
+prometheus_web_external_url: ""
+
+# @var prometheus_web_config:description: See official [documentation](https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md).
+prometheus_web_config:
+  tls_server_config: {}
+  http_server_config: {}
+  basic_auth_users: {}
+
+prometheus_storage_retention: "30d"
+prometheus_storage_retention_size: "0"
+# @var prometheus_storage_retention_size:description: > __[EXPERIMENTAL]__ Maximum number of bytes that can be stored for blocks.
+# Units supported: KB, MB, GB, TB, PB.
+# @end
+
+prometheus_config_flags_extra: []
+# @var prometheus_config_flags_extra:example: >
+# prometheus_config_flags_extra:
+#   - name: storage.tsdb.retention
+#     value: 15d
+#   - name: alertmanager.timeout
+#   - value: 10s
+# @end
+
+prometheus_alertmanager_config: []
+# @var prometheus_alertmanager_config:example: >
+# prometheus_alertmanager_config:
+#   - scheme: https
+#     path_prefix: alertmanager/
+#     basic_auth:
+#       username: user
+#       password: pass
+#     static_configs:
+#       - targets: ["127.0.0.1:9093"]
+#     proxy_url: "127.0.0.2"
+# @end
+
+prometheus_alert_relabel_configs: []
+# @var prometheus_alert_relabel_configs:example: >
+# prometheus_alert_relabel_configs:
+#   - action: labeldrop
+#     regex: replica
+
+prometheus_global:
+  scrape_interval: 15s
+  scrape_timeout: 10s
+  evaluation_interval: 15s
+
+prometheus_remote_write: []
+# @var prometheus_remote_write:example: >
+# prometheus_remote_write:
+#   - url: https://dev.kausal.co/prom/push
+#     basic_auth:
+#       password: FOO
+
+prometheus_remote_read: []
+# @var prometheus_remote_read:example: >
+# prometheus_remote_read:
+#   - url: https://demo.cloudalchemy.org:9201/read
+#     basic_auth:
+#       password: FOO
+# @end
+
+prometheus_external_labels:
+  environment: "{{ ansible_fqdn | default(ansible_host) | default(inventory_hostname) }}"
+
+prometheus_targets: []
+# @var prometheus_targets:example: >
+# prometheus_targets:
+#  - name: node
+#    config:
+#      - targets:
+#          - localhost:9100
+#        labels:
+#          env: test
+# @end
+
+prometheus_scrape_configs:
+  - job_name: "prometheus"
+    metrics_path: "{{ prometheus_web_external_url | urlsplit('path') }}/metrics"
+    static_configs:
+      - targets:
+          - "{{ ansible_fqdn | default(ansible_host) | default('localhost') }}:9090"
+
+prometheus_alert_rules_files:
+  - "{{ prometheus_rules_dir }}/*.rules"
+
+prometheus_static_targets_files:
+  - prometheus/targets/*.yml
+  - prometheus/targets/*.json
+
+prometheus_alert_rules:
+  - alert: Watchdog
+    expr: vector(1)
+    for: 10m
+    labels:
+      severity: warning
+    annotations:
+      description: "This is an alert meant to ensure that the entire alerting pipeline is functional.\nThis alert is always firing, therefore it should always be firing in Alertmanager\nand always fire against a receiver. There are integrations with various notification\nmechanisms that send a notification when this alert is not firing. For example the\n\"DeadMansSnitch\" integration in PagerDuty."
+      summary: "Ensure entire alerting pipeline is functional"
+  - alert: InstanceDown
+    expr: "up == 0"
+    for: 5m
+    labels:
+      severity: critical
+    annotations:
+      description: "{% raw %}{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes.{% endraw %}"
+      summary: "{% raw %}Instance {{ $labels.instance }} down{% endraw %}"
+
+prometheus_alert_rules_extra: []

handlers/main.yml

@@ -0,0 +1,18 @@
+---
+- name: Restart Prometheus Service
+  systemd:
+    name: prometheus
+    state: restarted
+    daemon_reload: yes
+    enabled: yes
+  listen: __prometheus_restart
+  become: True
+  become_user: root
+
+- name: Reload Prometheus Service
+  systemd:
+    name: prometheus
+    state: reloaded
+  listen: __prometheus_reload
+  become: True
+  become_user: root

meta/main.yml

@@ -0,0 +1,23 @@
+# Standards: 0.2
+---
+galaxy_info:
+  # @meta author:value: [Robert Kaussow](https://gitea.rknet.org/xoxys)
+  author: "Robert Kaussow <mail@thegeeklab.de>"
+  namespace: xoxys
+  role_name: prometheus
+  # @meta description: >
+  # [![Source Code](https://img.shields.io/badge/gitea-source%20code-blue?logo=gitea&logoColor=white)](https://gitea.rknet.org/ansible/xoxys.prometheus)
+  # [![Build Status](https://img.shields.io/drone/build/ansible/xoxys.prometheus?logo=drone&server=https%3A%2F%2Fdrone.rknet.org)](https://drone.rknet.org/ansible/xoxys.prometheus)
+  # [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?label=license)](LICENSE)
+  #
+  # Deploy Prometheus monitoring system.
+  # @end
+  description: Deploy Prometheus monitoring system
+  license: MIT
+  min_ansible_version: 2.10
+  platforms:
+    - name: EL
+      versions:
+        - 7
+  galaxy_tags: []
+dependencies: []

molecule/centos7/converge.yml

@@ -0,0 +1,5 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: xoxys.prometheus

molecule/centos7/create.yml

@@ -0,0 +1,120 @@
+---
+- name: Create
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ molecule_no_log }}"
+  vars:
+    ssh_port: 22
+    ssh_user: root
+    ssh_path: "{{ lookup('env', 'MOLECULE_EPHEMERAL_DIRECTORY') }}/ssh_key"
+  tasks:
+    - name: Create SSH key
+      user:
+        name: "{{ lookup('env', 'USER') }}"
+        generate_ssh_key: true
+        ssh_key_file: "{{ ssh_path }}"
+        force: true
+      register: generated_ssh_key
+
+    - name: Register the SSH key name
+      set_fact:
+        ssh_key_name: "molecule-generated-{{ 12345 | random | to_uuid }}"
+
+    - name: Register SSH key for test instance(s)
+      hcloud_ssh_key:
+        name: "{{ ssh_key_name }}"
+        public_key: "{{ generated_ssh_key.ssh_public_key }}"
+        state: present
+
+    - name: Create molecule instance(s)
+      hcloud_server:
+        name: "{{ item.name }}"
+        server_type: "{{ item.server_type }}"
+        ssh_keys:
+          - "{{ ssh_key_name }}"
+        image: "{{ item.image }}"
+        location: "{{ item.location | default(omit) }}"
+        datacenter: "{{ item.datacenter | default(omit) }}"
+        user_data: "{{ item.user_data | default(omit) }}"
+        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
+        state: present
+      register: server
+      loop: "{{ molecule_yml.platforms }}"
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) creation to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: hetzner_jobs
+      until: hetzner_jobs.finished
+      retries: 300
+      loop: "{{ server.results }}"
+
+    - name: Create volume(s)
+      hcloud_volume:
+        name: "{{ item.name }}"
+        server: "{{ item.name }}"
+        location: "{{ item.location | default(omit) }}"
+        size: "{{ item.volume_size | default(10) }}"
+        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
+        state: "present"
+      loop: "{{ molecule_yml.platforms }}"
+      when: item.volume | default(False) | bool
+      register: volumes
+      async: 7200
+      poll: 0
+
+    - name: Wait for volume(s) creation to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: hetzner_volumes
+      until: hetzner_volumes.finished
+      retries: 300
+      when: volumes.changed
+      loop: "{{ volumes.results }}"
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config dict
+      set_fact:
+        instance_conf_dict:
+          {
+            "instance": "{{ item.hcloud_server.name }}",
+            "ssh_key_name": "{{ ssh_key_name }}",
+            "address": "{{ item.hcloud_server.ipv4_address }}",
+            "user": "{{ ssh_user }}",
+            "port": "{{ ssh_port }}",
+            "identity_file": "{{ ssh_path }}",
+            "volume": "{{ item.item.item.volume | default(False) | bool }}",
+          }
+      loop: "{{ hetzner_jobs.results }}"
+      register: instance_config_dict
+      when: server.changed | bool
+
+    - name: Convert instance config dict to a list
+      set_fact:
+        instance_conf: "{{ instance_config_dict.results | map(attribute='ansible_facts.instance_conf_dict') | list }}"
+      when: server.changed | bool
+
+    - name: Dump instance config
+      copy:
+        content: |
+          # Molecule managed
+
+          {{ instance_conf | to_nice_yaml(indent=2) }}
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool
+
+    - name: Wait for SSH
+      wait_for:
+        port: "{{ ssh_port }}"
+        host: "{{ item.address }}"
+        search_regex: SSH
+        delay: 10
+      loop: "{{ lookup('file', molecule_instance_config) | from_yaml }}"
+
+    - name: Wait for VM to settle down
+      pause:
+        seconds: 30

molecule/centos7/destroy.yml

@@ -0,0 +1,80 @@
+
+---
+- name: Destroy
+  hosts: localhost
+  connection: local
+  gather_facts: false
+  no_log: "{{ molecule_no_log }}"
+  tasks:
+    - name: Check existing instance config file
+      stat:
+        path: "{{ molecule_instance_config }}"
+      register: cfg
+
+    - name: Populate the instance config
+      set_fact:
+        instance_conf: "{{ (lookup('file', molecule_instance_config) | from_yaml) if cfg.stat.exists else [] }}"
+
+    - name: Destroy molecule instance(s)
+      hcloud_server:
+        name: "{{ item.instance }}"
+        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
+        state: absent
+      register: server
+      loop: "{{ instance_conf }}"
+      async: 7200
+      poll: 0
+
+    - name: Wait for instance(s) deletion to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: hetzner_jobs
+      until: hetzner_jobs.finished
+      retries: 300
+      loop: "{{ server.results }}"
+
+    - pause:
+        seconds: 5
+
+    - name: Destroy volume(s)
+      hcloud_volume:
+        name: "{{ item.instance }}"
+        server: "{{ item.instance }}"
+        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
+        state: "absent"
+      register: volumes
+      loop: "{{ instance_conf }}"
+      when: item.volume | default(False) | bool
+      async: 7200
+      poll: 0
+
+    - name: Wait for volume(s) deletion to complete
+      async_status:
+        jid: "{{ item.ansible_job_id }}"
+      register: hetzner_volumes
+      until: hetzner_volumes.finished
+      retries: 300
+      when: volumes.changed
+      loop: "{{ volumes.results }}"
+
+    - name: Remove registered SSH key
+      hcloud_ssh_key:
+        name: "{{ instance_conf[0].ssh_key_name }}"
+        state: absent
+      when: (instance_conf | default([])) | length > 0
+
+    # Mandatory configuration for Molecule to function.
+
+    - name: Populate instance config
+      set_fact:
+        instance_conf: {}
+
+    - name: Dump instance config
+      copy:
+        content: |
+          # Molecule managed
+
+          {{ instance_conf | to_json | from_json | to_yaml }}
+        dest: "{{ molecule_instance_config }}"
+      when: server.changed | bool
+

molecule/centos7/molecule.yml

@@ -0,0 +1,22 @@
+---
+dependency:
+  name: galaxy
+  options:
+    role-file: molecule/requirements.yml
+  env:
+    ANSIBLE_GALAXY_DISPLAY_PROGRESS: "false"
+driver:
+  name: delegated
+platforms:
+  - name: centos7-prometheus
+    image: centos-7
+    server_type: cx11
+lint: |
+  /usr/local/bin/flake8
+provisioner:
+  name: ansible
+  env:
+    ANSIBLE_FILTER_PLUGINS: ${ANSIBLE_FILTER_PLUGINS:-./plugins/filter}
+    ANSIBLE_LIBRARY: ${ANSIBLE_LIBRARY:-./library}
+verifier:
+  name: testinfra

molecule/centos7/prepare.yml

@@ -0,0 +1,15 @@
+---
+- name: Prepare
+  hosts: all
+  gather_facts: false
+  tasks:
+    - name: Bootstrap python for Ansible
+      raw: |
+        command -v python3 python || (
+        (test -e /usr/bin/dnf && sudo dnf install -y python3) ||
+        (test -e /usr/bin/apt && (apt -y update && apt install -y python-minimal)) ||
+        (test -e /usr/bin/yum && sudo yum -y -qq install python3) ||
+        echo "Warning: Python not boostrapped due to unknown platform."
+        )
+      become: true
+      changed_when: false

molecule/centos7/tests/test_default.py

@@ -0,0 +1,11 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+import warnings
+warnings.filterwarnings("ignore", category=DeprecationWarning)
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+

molecule/default

@@ -0,0 +1 @@
+centos7

molecule/pytest.ini

@@ -0,0 +1,3 @@
+[pytest]
+filterwarnings =
+    ignore::DeprecationWarning

molecule/requirements.yml

@@ -0,0 +1,6 @@
+---
+collections:
+  - name: https://gitea.rknet.org/ansible/xoxys.general/releases/download/v2.1.1/xoxys-general-2.1.1.tar.gz
+  - name: community.general
+
+roles: []

tasks/main.yml

@@ -0,0 +1,5 @@
+---
+- include_tasks: prepare.yml
+- include_tasks: setup.yml
+- include_tasks: selinux.yml
+  when: ansible_selinux.status == "enabled"

tasks/prepare.yml

@@ -0,0 +1,23 @@
+---
+- block:
+    - name: Create group '{{ prometheus_group }}'
+      group:
+        name: "{{ prometheus_group }}"
+        state: present
+
+    - name: Create user '{{ prometheus_user }}'
+      user:
+        comment: Prometheus
+        name: "{{ prometheus_user }}"
+        home: "{{ prometheus_user_home }}"
+        group: "{{ prometheus_group }}"
+        groups: "{{ prometheus_extra_groups | join(',') }}"
+
+    - name: Install dependencies
+      package:
+        name: "{{ item }}"
+        state: present
+      loop:
+        - "{{ prometheus_packages }}"
+  become: True
+  become_user: root

tasks/selinux.yml

@@ -0,0 +1,13 @@
+---
+- block:
+    - name: Allow prometheus to bind to port in SELinux
+      seport:
+        ports: "{{ prometheus_web_listen_address.split(':')[1] }}"
+        proto: tcp
+        setype: http_port_t
+        state: present
+      when:
+        - ansible_version.full is version('2.4', '>=')
+        - ansible_selinux.status == "enabled"
+  become: True
+  become_user: root

tasks/setup.yml

@@ -0,0 +1,98 @@
+---
+- name: Prepare base folder
+  file:
+    path: "{{ prometheus_base_dir }}"
+    state: directory
+    owner: "{{ prometheus_user }}"
+    group: "{{ prometheus_user }}"
+    mode: 0750
+  become: True
+  become_user: root
+
+- block:
+    - name: Prepare folder structure
+      file:
+        path: "{{ item }}"
+        state: directory
+        mode: 0750
+      loop:
+        - "{{ prometheus_config_dir }}"
+        - "{{ prometheus_rules_dir }}"
+        - "{{ prometheus_data_dir }}"
+
+    - name: Download and extract Prometheus tarball
+      unarchive:
+        src: "https://github.com/prometheus/prometheus/releases/download/v{{ prometheus_version }}/prometheus-{{ prometheus_version }}.linux-amd64.tar.gz"
+        dest: "{{ prometheus_base_dir }}"
+        remote_src: yes
+        # include:
+        #   - consoles/
+        #   - console_libraries/
+        #   - prometheus
+        #   - promtool
+      notify: __prometheus_restart
+
+    - name: Copy prometheus config file
+      template:
+        src: "conf/prometheus.yml.j2"
+        dest: "{{ prometheus_config_dir }}/prometheus.yml"
+        mode: 0640
+        validate: "{{ prometheus_base_dir }}/promtool check config %s"
+      notify: __prometheus_reload
+
+    - name: Copy prometheus web config file
+      copy:
+        content: "{{ prometheus_web_config | to_nice_yaml(indent=2) }}"
+        dest: "{{ prometheus_config_dir }}/web.yml"
+        mode: 0640
+
+    - name: Configure prometheus static targets
+      template:
+        src: "conf/file_sd/sd.yml.j2"
+        dest: "{{ prometheus_file_sd_dir }}/{{ item.name }}.yml"
+        mode: 0640
+      loop: "{{ prometheus_targets }}"
+
+    - name: Copy prometheus custom static targets
+      copy:
+        src: "{{ item }}"
+        dest: "{{ prometheus_file_sd_dir }}"
+        mode: 0640
+      with_fileglob: "{{ prometheus_static_targets_files }}"
+
+    - name: Configure prometheus alerting rules
+      template:
+        src: "conf/rules/alert.rules.j2"
+        dest: "{{ prometheus_rules_dir }}/default.rules"
+        mode: 0640
+        validate: "{{ prometheus_base_dir }}/promtool check rules %s"
+      when: prometheus_alert_rules + prometheus_alert_rules_extra | length > 0
+      notify: __prometheus_reload
+
+    - name: Copy custom alerting rule files
+      copy:
+        src: "{{ item }}"
+        dest: "{{ prometheus_rules_dir }}/"
+        mode: 0640
+        validate: "{{ prometheus_base_dir }}/promtool check rules %s"
+      with_fileglob: "{{ prometheus_alert_rules_files }}"
+      notify: __prometheus_reload
+  become: True
+  become_user: "{{ prometheus_user }}"
+
+- block:
+    - name: Copy systemd unit file
+      template:
+        src: "etc/systemd/system/prometheus.service.j2"
+        dest: "/etc/systemd/system/prometheus.service"
+        mode: 0640
+      notify: __prometheus_restart
+
+    - name: Ensure prometheus service is up and running
+      systemd:
+        name: prometheus
+        daemon_reload: yes
+        enabled: yes
+        state: started
+  become: True
+  become_user: root

templates/conf/file_sd/sd.yml.j2

@@ -0,0 +1,4 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+
+{{ item.config | to_nice_yaml(indent=2) }}

templates/conf/prometheus.yml.j2

@@ -0,0 +1,33 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+
+global:
+  {{ prometheus_global | to_nice_yaml(indent=2) | indent(2, False) }}
+  external_labels:
+    {{ prometheus_external_labels | to_nice_yaml(indent=2) | indent(4, False) }}
+{% if prometheus_remote_write != [] %}
+
+remote_write:
+  {{ prometheus_remote_write | to_nice_yaml(indent=2) | indent(2, False) }}
+{% endif %}
+{% if prometheus_remote_read != [] %}
+
+remote_read:
+  {{ prometheus_remote_read | to_nice_yaml(indent=2) | indent(2, False) }}
+{% endif %}
+
+rule_files:
+  - {{ prometheus_rules_dir }}/*.rules
+{% if prometheus_alertmanager_config | length > 0 %}
+
+alerting:
+  alertmanagers:
+  {{ prometheus_alertmanager_config | to_nice_yaml(indent=2) | indent(2,False) }}
+  {% if prometheus_alert_relabel_configs | length > 0 %}
+  alert_relabel_configs:
+  {{ prometheus_alert_relabel_configs | to_nice_yaml(indent=2) | indent(2,False) }}
+  {% endif %}
+{% endif %}
+
+scrape_configs:
+  {{ prometheus_scrape_configs | to_nice_yaml(indent=2) | indent(2,False) }}

templates/conf/rules/alert.rules.j2

@@ -0,0 +1,7 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+
+groups:
+- name: Ansible managed alert rules
+  rules:
+  {{ prometheus_alert_rules + prometheus_alert_rules_extra | to_nice_yaml(indent=2) | indent(2,False) }}

templates/etc/systemd/system/prometheus.service.j2

@@ -0,0 +1,58 @@
+{{ ansible_managed | comment }}
+[Unit]
+Description=Prometheus
+After=network-online.target
+Requires=local-fs.target
+After=local-fs.target
+
+[Service]
+Type=simple
+Environment="GOMAXPROCS={{ ansible_processor_vcpus | default(ansible_processor_count) }}"
+User={{ prometheus_user }}
+Group={{ prometheus_group }}
+WorkingDirectory={{ prometheus_base_dir }}
+ExecReload=/bin/kill -HUP $MAINPID
+ExecStart={{ prometheus_base_dir }}/prometheus \
+  --storage.tsdb.path={{ prometheus_data_dir }} \
+  --storage.tsdb.retention.time={{ prometheus_storage_retention }} \
+  --storage.tsdb.retention.size={{ prometheus_storage_retention_size }} \
+  --web.config.file={{ prometheus_config_dir }}/web.yml \
+  --web.console.libraries={{ prometheus_base_dir }}/console_libraries \
+  --web.console.templates={{ prometheus_base_dir }}/consoles \
+  --web.listen-address={{ prometheus_web_listen_address }} \
+  --web.external-url={{ prometheus_web_external_url }} \
+{% for flag in prometheus_config_flags_extra %}
+{% if flag.value is not defined %}
+  --{{ flag.name }} \
+{% elif flag.value is string %}
+  --{{ flag.name }}={{ flag_value }} \
+{% elif flag.value is sequence %}
+{% for flag_value_item in flag.value %}
+  --{{ flag.name }}={{ flag_value_item }} \
+{% endfor %}
+{% endif %}
+{% endfor %}
+  --config.file={{ prometheus_config_dir }}/prometheus.yml
+
+CapabilityBoundingSet=CAP_SET_UID
+LimitNOFILE=65000
+LockPersonality=true
+NoNewPrivileges=true
+MemoryDenyWriteExecute=true
+PrivateDevices=true
+PrivateTmp=true
+ProtectHome=true
+RemoveIPC=true
+RestrictSUIDSGID=true
+
+ReadWriteDirectories={{ prometheus_data_dir }}
+{% for path in prometheus_read_only_dirs %}
+ReadOnlyDirectories={{ path }}
+{% endfor %}
+
+ProtectSystem=full
+SyslogIdentifier=prometheus
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target