Max Klenk
4 years ago
parent
06bc430c7c
commit
a25a429a52
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matrix_redis_enabled: true
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matrix_redis_connection_password: ""
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matrix_redis_base_path: "{{ matrix_base_data_path }}/redis"
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matrix_redis_data_path: "{{ matrix_redis_base_path }}/data"
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matrix_redis_docker_image_v5: "redis:5.0-alpine"
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matrix_redis_docker_image_v6: "redis:6.0-alpine"
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matrix_redis_docker_image_latest: "{{ matrix_redis_docker_image_v6 }}"
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matrix_redis_docker_image_to_use: '{{ matrix_redis_docker_image_latest }}'
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matrix_redis_docker_image_force_pull: "{{ matrix_redis_docker_image_to_use.endswith(':latest') }}"
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# A list of extra arguments to pass to the container
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matrix_redis_container_extra_arguments: []
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# Controls whether the matrix-redis container exposes a port (tcp/6379 in the container)
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# that can be used to access redis from outside the container
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#
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# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:6379"), or empty string to not expose.
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matrix_redis_container_redis_bind_port: ""
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@ -0,0 +1,3 @@
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- set_fact:
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matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-redis'] }}"
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when: matrix_redis_enabled|bool
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@ -0,0 +1,9 @@
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- import_tasks: "{{ role_path }}/tasks/init.yml"
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tags:
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- always
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- import_tasks: "{{ role_path }}/tasks/setup_redis.yml"
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when: run_setup|bool
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tags:
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- setup-all
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- setup-redis
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@ -0,0 +1,99 @@
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---
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#
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# Tasks related to setting up an internal redis server
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#
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- name: Ensure redis Docker image is pulled
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docker_image:
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name: "{{ matrix_redis_docker_image_to_use }}"
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source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
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force_source: "{{ matrix_redis_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
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force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_redis_docker_image_force_pull }}"
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when: matrix_redis_enabled|bool
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- name: Ensure redis paths exist
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file:
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path: "{{ item }}"
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state: directory
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mode: 0700
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owner: "{{ matrix_user_username }}"
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group: "{{ matrix_user_username }}"
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with_items:
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- "{{ matrix_redis_base_path }}"
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- "{{ matrix_redis_data_path }}"
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when: matrix_redis_enabled|bool
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# We do this as a separate task, because:
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# - we'd like to do it for the data path only, not for the base path (which contains root-owned environment variable files we'd like to leave as-is)
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# - we need to do it without `mode`, or we risk making certain `.conf` and other files's executable bit to flip to true
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- name: Ensure redis data path ownership is correct
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file:
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path: "{{ matrix_redis_data_path }}"
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state: directory
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owner: "{{ matrix_user_username }}"
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group: "{{ matrix_user_username }}"
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recurse: yes
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when: matrix_redis_enabled|bool
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- name: Ensure redis environment variables file created
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template:
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src: "{{ role_path }}/templates/{{ item }}.j2"
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dest: "{{ matrix_redis_base_path }}/{{ item }}"
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mode: 0644
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with_items:
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- "redis.conf"
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when: matrix_redis_enabled|bool
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- name: Ensure matrix-redis.service installed
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template:
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src: "{{ role_path }}/templates/systemd/matrix-redis.service.j2"
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dest: "{{ matrix_systemd_path }}/matrix-redis.service"
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mode: 0644
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register: matrix_redis_systemd_service_result
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when: matrix_redis_enabled|bool
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- name: Ensure systemd reloaded after matrix-redis.service installation
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service:
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daemon_reload: yes
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when: "matrix_redis_enabled|bool and matrix_redis_systemd_service_result.changed"
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#
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# Tasks related to getting rid of the internal redis server (if it was previously enabled)
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#
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- name: Check existence of matrix-redis service
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stat:
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path: "{{ matrix_systemd_path }}/matrix-redis.service"
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register: matrix_redis_service_stat
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when: "not matrix_redis_enabled|bool"
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- name: Ensure matrix-redis is stopped
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service:
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name: matrix-redis
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state: stopped
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daemon_reload: yes
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when: "not matrix_redis_enabled|bool and matrix_redis_service_stat.stat.exists"
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- name: Ensure matrix-redis.service doesn't exist
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file:
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path: "{{ matrix_systemd_path }}/matrix-redis.service"
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state: absent
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when: "not matrix_redis_enabled|bool and matrix_redis_service_stat.stat.exists"
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- name: Ensure systemd reloaded after matrix-redis.service removal
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service:
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daemon_reload: yes
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when: "not matrix_redis_enabled|bool and matrix_redis_service_stat.stat.exists"
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- name: Check existence of matrix-redis local data path
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stat:
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path: "{{ matrix_redis_data_path }}"
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register: matrix_redis_data_path_stat
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when: "not matrix_redis_enabled|bool"
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# We just want to notify the user. Deleting data is too destructive.
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- name: Notify if matrix-redis local data remains
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debug:
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msg: "Note: You are not using a local redis instance, but some old data remains from before in `{{ matrix_redis_data_path }}`. Feel free to delete it."
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when: "not matrix_redis_enabled|bool and matrix_redis_data_path_stat.stat.exists"
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@ -0,0 +1,2 @@
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#jinja2: lstrip_blocks: "True"
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requirepass {{ matrix_redis_connection_password }}
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@ -0,0 +1,36 @@
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#jinja2: lstrip_blocks: "True"
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[Unit]
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Description=Matrix Redis server
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After=docker.service
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Requires=docker.service
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[Service]
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Type=simple
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ExecStartPre=-/usr/bin/docker stop matrix-redis
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ExecStartPre=-/usr/bin/docker rm matrix-redis
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ExecStart=/usr/bin/docker run --rm --name matrix-redis \
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--log-driver=none \
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--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
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--cap-drop=ALL \
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--read-only \
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--tmpfs=/tmp:rw,noexec,nosuid,size=100m \
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--network={{ matrix_docker_network }} \
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{% if matrix_redis_container_redis_bind_port %}
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-p {{ matrix_redis_container_redis_bind_port }}:6379 \
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{% endif %}
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-v {{ matrix_redis_base_path }}/redis.conf:/usr/local/etc/redis/redis.conf \
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{% for arg in matrix_redis_container_extra_arguments %}
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{{ arg }} \
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{% endfor %}
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{{ matrix_redis_docker_image_to_use }} \
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redis-server /usr/local/etc/redis/redis.conf
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ExecStop=-/usr/bin/docker stop matrix-redis
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ExecStop=-/usr/bin/docker rm matrix-redis
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Restart=always
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RestartSec=30
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SyslogIdentifier=matrix-redis
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[Install]
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WantedBy=multi-user.target
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