From 13b36c88b38eb4a73868e5ba22fde3e1091bf54e Mon Sep 17 00:00:00 2001 From: Sergio Durigan Junior Date: Mon, 9 Sep 2024 19:39:20 -0400 Subject: [PATCH] Initial commit Signed-off-by: Sergio Durigan Junior --- LICENSE | 661 ++++++++++++++++++++ README.md | 11 + defaults/main.yml | 85 +++ justfile | 6 + meta/main.yml | 19 + tasks/install.yml | 59 ++ tasks/main.yml | 20 + tasks/uninstall.yml | 25 + tasks/validate_config.yml | 15 + templates/config.yaml.j2 | 96 +++ templates/env.j2 | 4 + templates/systemd/forgejo-runner.service.j2 | 71 +++ 12 files changed, 1072 insertions(+) create mode 100644 LICENSE create mode 100644 README.md create mode 100644 defaults/main.yml create mode 100644 justfile create mode 100644 meta/main.yml create mode 100644 tasks/install.yml create mode 100644 tasks/main.yml create mode 100644 tasks/uninstall.yml create mode 100644 tasks/validate_config.yml create mode 100644 templates/config.yaml.j2 create mode 100644 templates/env.j2 create mode 100644 templates/systemd/forgejo-runner.service.j2 diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..0ad25db --- /dev/null +++ b/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published + by the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..929088c --- /dev/null +++ b/README.md @@ -0,0 +1,11 @@ +# Forgejo Runner Ansible role + +This is an [Ansible](https://www.ansible.com/) role which installs +[Forgejo Runner](https://code.forgejo.org/forgejo/runner) to run as a [Docker](https://www.docker.com/) container wrapped in a systemd service. + +This role *implicitly* depends on: + +- [`com.devture.ansible.role.playbook_help`](https://github.com/devture/com.devture.ansible.role.playbook_help) +- [`com.devture.ansible.role.systemd_docker_base`](https://github.com/devture/com.devture.ansible.role.systemd_docker_base) + +For an Ansible playbook which integrates this role and makes it easier to use, see the [mash-playbook](https://github.com/mother-of-all-self-hosting/mash-playbook). diff --git a/defaults/main.yml b/defaults/main.yml new file mode 100644 index 0000000..1cc2425 --- /dev/null +++ b/defaults/main.yml @@ -0,0 +1,85 @@ +--- + +# Project source code URL: https://code.forgejo.org/forgejo/runner + +forgejo_runner_enabled: true + +forgejo_runner_identifier: forgejo-runner + +forgejo_runner_version: 3.5.1 + +# The image always runs with UID/GID 1000, which causes a permission +# issue when trying to access the Docker socket. For this reason, +# it's necessary to force the image to run as root. +forgejo_runner_uid: '0' +forgejo_runner_gid: '0' + +forgejo_runner_base_path: "/{{ forgejo_runner_identifier }}" +forgejo_runner_config_path: "{{ forgejo_runner_base_path }}/config" + +forgejo_runner_container_image: "{{ forgejo_runner_container_image_registry_prefix }}forgejo/runner:{{ forgejo_runner_container_image_tag }}" +forgejo_runner_container_image_registry_prefix: code.forgejo.org/ +forgejo_runner_container_image_tag: "{{ forgejo_runner_version }}" + +# The base container network. It will be auto-created by this role if it doesn't exist already. +forgejo_runner_container_network: "{{ forgejo_runner_identifier }}" + +forgejo_runner_docker_socket_path: /var/run/docker.sock + +# The runner name. +forgejo_runner_runner_name: '' + +# The instance URL. +forgejo_runner_instance_url: '' + +# The registration token. +# +# This should be obtained via Forgejo's web interface, under: +# +# Site Administration -> Actions -> Runners -> Create new runner +forgejo_runner_registration_token: '' + +# How many concurrent tasks should be executed simultaneously. +forgejo_runner_capacity: 1 + +# The labels that should be applied to this runner. +# +# This is an important setting. Take a look at the following page for +# more information: +# +# https://forgejo.org/docs/latest/admin/actions/#labels-and-runs-on +forgejo_runner_labels: [] + +# A list of additional container networks that the container would be connected to. +# The role does not create these networks, so make sure they already exist. +# Use this to expose this container to another reverse proxy, which runs in a different container network. +forgejo_runner_container_additional_networks: "{{ forgejo_runner_container_additional_networks_auto + forgejo_runner_container_additional_networks_custom }}" +forgejo_runner_container_additional_networks_auto: [] +forgejo_runner_container_additional_networks_custom: [] + +# A list of additional "volumes" to mount in the container. +# +# See the `--mount` documentation for the `docker run` command. +# +# Example: +# forgejo_runner_container_additional_volumes: +# - type: bind +# src: /path/on/the/host +# dst: /data +# - type: bind +# src: /another-path/on/the/host +# dst: /read-only +# options: readonly +forgejo_runner_container_additional_volumes: [] + +# A list of extra arguments to pass to the container +forgejo_runner_container_extra_arguments: [] + +# Additional environment variables. +forgejo_runner_environment_variables_additional_variables: '' + +# List of systemd services that forgejo_runner.service depends on +forgejo_runner_systemd_required_services_list: "{{ forgejo_runner_systemd_required_services_list_default + forgejo_runner_systemd_required_services_list_auto + forgejo_runner_systemd_required_services_list_custom }}" +forgejo_runner_systemd_required_services_list_default: ['docker.service'] +forgejo_runner_systemd_required_services_list_auto: [] +forgejo_runner_systemd_required_services_list_custom: [] diff --git a/justfile b/justfile new file mode 100644 index 0000000..d938c3d --- /dev/null +++ b/justfile @@ -0,0 +1,6 @@ +# show help by default +default: + @just --list --justfile {{ justfile() }} + +lint: + ansible-lint . diff --git a/meta/main.yml b/meta/main.yml new file mode 100644 index 0000000..c785d03 --- /dev/null +++ b/meta/main.yml @@ -0,0 +1,19 @@ +galaxy_info: + author: Sergio Durigan Junior + role_name: forgejo_runner + description: Forgejo Runner + platforms: + - name: Debian + versions: + - all + - name: Ubuntu + versions: + - all + - name: Archlinux + versions: + - all + - name: EL + versions: + - 7 + license: GPL-3.0-or-later + min_ansible_version: '2.1' diff --git a/tasks/install.yml b/tasks/install.yml new file mode 100644 index 0000000..92fe8d0 --- /dev/null +++ b/tasks/install.yml @@ -0,0 +1,59 @@ +--- + +- name: Ensure Forgejo Runner paths exist + ansible.builtin.file: + path: "{{ item }}" + state: directory + mode: "0750" + owner: "{{ forgejo_runner_uid }}" + group: "{{ forgejo_runner_gid }}" + with_items: + - "{{ forgejo_runner_base_path }}" + - "{{ forgejo_runner_config_path }}" + +- name: Ensure Forgejo Runner support files are installed + ansible.builtin.template: + src: "{{ role_path }}/templates/{{ item }}.j2" + dest: "{{ forgejo_runner_base_path }}/{{ item }}" + mode: 0640 + owner: "{{ forgejo_runner_uid }}" + group: "{{ forgejo_runner_gid }}" + with_items: + - env + +- name: Ensure Forgejo Runner configuration files are present + ansible.builtin.template: + src: "{{ role_path }}/templates/{{ item }}.j2" + dest: "{{ forgejo_runner_config_path }}/{{ item }}" + mode: 0640 + owner: "{{ forgejo_runner_uid }}" + group: "{{ forgejo_runner_gid }}" + with_items: + - config.yaml + +- name: Ensure Forgejo Runner container image is pulled via command + when: devture_systemd_docker_base_container_image_pull_method == 'command' + ansible.builtin.command: + cmd: "{{ devture_systemd_docker_base_host_command_docker }} pull {{ forgejo_runner_container_image }}" + register: result + retries: "{{ devture_playbook_help_container_retries_count }}" + delay: "{{ devture_playbook_help_container_retries_delay }}" + until: result is not failed + +- name: Ensure Forgejo Runner container network is created via community.docker.docker_network + when: devture_systemd_docker_base_container_network_creation_method == 'ansible-module' + community.general.docker_network: + name: "{{ forgejo_runner_container_network }}" + driver: bridge + +- name: Ensure Forgejo Runner container network exists via command + when: devture_systemd_docker_base_container_network_creation_method == 'command' + ansible.builtin.command: + cmd: "{{ devture_systemd_docker_base_host_command_docker }} network create {{ forgejo_runner_container_network }}" + register: network_creation_result + failed_when: network_creation_result.rc != 0 and 'already exists' not in network_creation_result.stderr + +- name: Ensure Forgejo Runner systemd service is present + ansible.builtin.template: + src: "{{ role_path }}/templates/systemd/forgejo-runner.service.j2" + dest: "{{ devture_systemd_docker_base_systemd_path }}/{{ forgejo_runner_identifier }}.service" diff --git a/tasks/main.yml b/tasks/main.yml new file mode 100644 index 0000000..6b8953f --- /dev/null +++ b/tasks/main.yml @@ -0,0 +1,20 @@ +--- + +- block: + - when: forgejo_runner_enabled | bool + ansible.builtin.include_tasks: "{{ role_path }}/tasks/validate_config.yml" + + - when: forgejo_runner_enabled | bool + ansible.builtin.include_tasks: "{{ role_path }}/tasks/install.yml" + tags: + - setup-all + - setup-forgejo-runner + - install-all + - install-forgejo-runner + +- block: + - when: not forgejo_runner_enabled | bool + ansible.builtin.include_tasks: "{{ role_path }}/tasks/uninstall.yml" + tags: + - setup-all + - setup-forgejo-runner diff --git a/tasks/uninstall.yml b/tasks/uninstall.yml new file mode 100644 index 0000000..77df9f6 --- /dev/null +++ b/tasks/uninstall.yml @@ -0,0 +1,25 @@ +--- + +- name: Check existence of Forgejo Runner systemd service + ansible.builtin.stat: + path: "{{ devture_systemd_docker_base_systemd_path }}/{{ forgejo_runner_identifier }}.service" + register: forgejo_runner_service_stat + +- when: forgejo_runner_service_stat.stat.exists | bool + block: + - name: Ensure Forgejo Runner systemd service is stopped + ansible.builtin.service: + name: "{{ forgejo_runner_identifier }}" + state: stopped + enabled: false + daemon_reload: true + + - name: Ensure Forgejo Runner systemd service does not exist + ansible.builtin.file: + path: "{{ devture_systemd_docker_base_systemd_path }}/{{ forgejo_runner_identifier }}.service" + state: absent + + - name: Ensure Forgejo Runner path doesn't exist + ansible.builtin.file: + path: "{{ forgejo_runner_base_path }}" + state: absent diff --git a/tasks/validate_config.yml b/tasks/validate_config.yml new file mode 100644 index 0000000..d282d4b --- /dev/null +++ b/tasks/validate_config.yml @@ -0,0 +1,15 @@ +--- + +- name: Fail if required Forgejo Runner settings not defined + ansible.builtin.fail: + msg: > + You need to define a required configuration setting (`{{ item }}`). + when: "vars[item] == ''" + with_items: + - forgejo_runner_identifier + - forgejo_runner_container_network + - forgejo_runner_docker_socket_path + - forgejo_runner_runner_name + - forgejo_runner_instance_url + - forgejo_runner_registration_token + - forgejo_runner_capacity diff --git a/templates/config.yaml.j2 b/templates/config.yaml.j2 new file mode 100644 index 0000000..47623f7 --- /dev/null +++ b/templates/config.yaml.j2 @@ -0,0 +1,96 @@ +log: + # The level of logging, can be trace, debug, info, warn, error, fatal + level: info + +runner: + # Where to store the registration result. + file: .runner + # Execute how many tasks concurrently at the same time. + capacity: {{ forgejo_runner_capacity }} + # Extra environment variables to run jobs. + {# envs: #} + {# A_TEST_ENV_NAME_1: a_test_env_value_1 #} + {# A_TEST_ENV_NAME_2: a_test_env_value_2 #} + # Extra environment variables to run jobs from a file. + # It will be ignored if it's empty or the file doesn't exist. + env_file: .env + # The timeout for a job to be finished. + # Please note that the Forgejo instance also has a timeout (3h by default) for the job. + # So the job could be stopped by the Forgejo instance if it's timeout is shorter than this. + timeout: 3h + # The timeout for the runner to wait for running jobs to finish when + # shutting down because a TERM or INT signal has been received. Any + # running jobs that haven't finished after this timeout will be + # cancelled. + # If unset or zero the jobs will be cancelled immediately. + shutdown_timeout: 3h + # Whether skip verifying the TLS certificate of the instance. + insecure: false + # The timeout for fetching the job from the Forgejo instance. + fetch_timeout: 5s + # The interval for fetching the job from the Forgejo instance. + fetch_interval: 2s + # The interval for reporting the job status and logs to the Forgejo instance. + report_interval: 1s + # The labels of a runner are used to determine which jobs the runner can run, and how to run them. + # Like: ["macos-arm64:host", "ubuntu-latest:docker://node:20-bookworm", "ubuntu-22.04:docker://node:20-bookworm"] + # If it's empty when registering, it will ask for inputting labels. + # If it's empty when execute `deamon`, will use labels in `.runner` file. + labels: + {{ forgejo_runner_labels }} + +cache: + # Enable cache server to use actions/cache. + enabled: false + # The directory to store the cache data. + # If it's empty, the cache data will be stored in $HOME/.cache/actcache. + dir: "" + # The host of the cache server. + # It's not for the address to listen, but the address to connect from job containers. + # So 0.0.0.0 is a bad choice, leave it empty to detect automatically. + host: "" + # The port of the cache server. + # 0 means to use a random available port. + port: 0 + # The external cache server URL. Valid only when enable is true. + # If it's specified, act_runner will use this URL as the ACTIONS_CACHE_URL rather than start a server by itself. + # The URL should generally end with "/". + external_server: "" + +container: + # Specifies the network to which the container will connect. + # Could be host, bridge or the name of a custom network. + # If it's empty, create a network automatically. + network: "" + # Whether to create networks with IPv6 enabled. Requires the Docker daemon to be set up accordingly. + # Only takes effect if "network" is set to "". + enable_ipv6: false + # Whether to use privileged mode or not when launching task containers (privileged mode is required for Docker-in-Docker). + privileged: false + # And other options to be used when the container is started (eg, --add-host=my.forgejo.url:host-gateway). + options: + # The parent directory of a job's working directory. + # If it's empty, /workspace will be used. + workdir_parent: + # Volumes (including bind mounts) can be mounted to containers. Glob syntax is supported, see https://github.com/gobwas/glob + # You can specify multiple volumes. If the sequence is empty, no volumes can be mounted. + # For example, if you only allow containers to mount the `data` volume and all the json files in `/src`, you should change the config to: + # valid_volumes: + # - data + # - /src/*.json + # If you want to allow any volume, please use the following configuration: + # valid_volumes: + # - '**' + valid_volumes: [] + # overrides the docker client host with the specified one. + # If it's empty, act_runner will find an available docker host automatically. + # If it's "-", act_runner will find an available docker host automatically, but the docker host won't be mounted to the job containers and service containers. + # If it's not empty or "-", the specified docker host will be used. An error will be returned if it doesn't work. + docker_host: "" + # Pull docker image(s) even if already present + force_pull: false + +host: + # The parent directory of a job's working directory. + # If it's empty, $HOME/.cache/act/ will be used. + workdir_parent: diff --git a/templates/env.j2 b/templates/env.j2 new file mode 100644 index 0000000..9322f44 --- /dev/null +++ b/templates/env.j2 @@ -0,0 +1,4 @@ +FORGEJO_RUNNER_NAME={{ forgejo_runner_runner_name }} +FORGEJO_RUNNER_REGISTRATION_TOKEN={{ forgejo_runner_registration_token }} + +{{ forgejo_runner_environment_variables_additional_variables }} diff --git a/templates/systemd/forgejo-runner.service.j2 b/templates/systemd/forgejo-runner.service.j2 new file mode 100644 index 0000000..7eabf59 --- /dev/null +++ b/templates/systemd/forgejo-runner.service.j2 @@ -0,0 +1,71 @@ +#jinja2: lstrip_blocks: "True" +[Unit] +Description=Forgejo Runner ({{ forgejo_runner_identifier }}) +{% for service in forgejo_runner_systemd_required_services_list %} +Requires={{ service }} +After={{ service }} +{% endfor %} +DefaultDependencies=no + +[Service] +Type=simple +Environment="HOME={{ devture_systemd_docker_base_systemd_unit_home_path }}" +ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill {{ forgejo_runner_identifier }} 2>/dev/null || true' +ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm {{ forgejo_runner_identifier }} 2>/dev/null || true' + +ExecStartPre={{ devture_systemd_docker_base_host_command_sh }} -c '[ ! -f {{ forgejo_runner_config_path }}/.runner ] && \ + {{ devture_systemd_docker_base_host_command_docker }} run \ + --rm \ + --user={{ forgejo_runner_uid }}:{{ forgejo_runner_gid }} \ + --log-driver=none \ + --read-only \ + --network={{ forgejo_runner_container_network }} \ + --mount type=bind,src={{ forgejo_runner_config_path }},dst=/data \ + --tmpfs=/tmp:rw,noexec,nosuid,size=1024m \ + {% for volume in forgejo_runner_container_additional_volumes %} + --mount type={{ volume.type | default('bind' if '/' in volume.src else 'volume') }},src={{ volume.src }},dst={{ volume.dst }}{{ (',' + volume.options) if volume.options | default('') else '' }} \ + {% endfor %} + {% for arg in forgejo_runner_container_extra_arguments %} + {{ arg }} \ + {% endfor %} + {{ forgejo_runner_container_image }} \ + forgejo-runner register \ + --no-interactive \ + --name {{ forgejo_runner_runner_name }} \ + --instance {{ forgejo_runner_instance_url }} \ + --token {{ forgejo_runner_registration_token }} \ + --config /data/config.yaml' + +ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \ + --rm \ + --name={{ forgejo_runner_identifier }} \ + --user={{ forgejo_runner_uid }}:{{ forgejo_runner_gid }} \ + --read-only \ + --log-driver=none \ + --network={{ forgejo_runner_container_network }} \ + --mount type=bind,src={{ forgejo_runner_config_path }},dst=/data \ + --mount type=bind,src={{ forgejo_runner_docker_socket_path }},dst=/var/run/docker.sock \ + --tmpfs=/tmp:rw,noexec,nosuid,size=1024m \ + {% for volume in forgejo_runner_container_additional_volumes %} + --mount type={{ volume.type | default('bind' if '/' in volume.src else 'volume') }},src={{ volume.src }},dst={{ volume.dst }}{{ (',' + volume.options) if volume.options | default('') else '' }} \ + {% endfor %} + {% for arg in forgejo_runner_container_extra_arguments %} + {{ arg }} \ + {% endfor %} + {{ forgejo_runner_container_image }} + +{% for network in forgejo_runner_container_additional_networks %} +ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} {{ forgejo_runner_identifier }} +{% endfor %} + +ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach {{ forgejo_runner_identifier }} + +ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} kill {{ forgejo_runner_identifier }} 2>/dev/null || true' +ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm {{ forgejo_runner_identifier }} 2>/dev/null || true' + +Restart=always +RestartSec=30 +SyslogIdentifier={{ forgejo_runner_identifier }} + +[Install] +WantedBy=multi-user.target