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matrix-docker-ansible-deploy/roles/matrix-dynamic-dns/tasks/install.yml
Slavi Pantaleev 5eed874199 Improve self-building experience (avoid conflict with pullable images)
Fixes https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/716

This patch makes us use more fully-qualified container image names
(either prefixed with docker.io/ or with localhost/).

The latter happens when self-building is enabled.

We've recently had issues where if an image was removed manually
and the service was restarted (making `docker run` fetch it from Docker Hub, etc.),
we'd end up with a pulled image, even though we're aiming for a self-built one.
Re-running the playbook would then not do a rebuild, because:
- the image with that name already exists (even though it's something
else)
- we sometimes had conditional logic where we'd build only if the git
repo changed

By explicitly changing the name of the images (prefixing with localhost/),
we avoid such confusion and the possibility that we'd automatically pul something
which is not what we expect.

Also, I've removed that condition where building would happen on git
changes only. We now always build (unless an image with that name
already exists). We just force-build when the git repo changes.
2020-11-14 23:00:49 +02:00

62 lines
2.5 KiB
YAML

---
- name: Ensure Dynamic DNS image is pulled
docker_image:
name: "{{ matrix_dynamic_dns_docker_image }}"
source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
force_source: "{{ matrix_dynamic_dns_docker_image_force_pull if ansible_version.major > 2 or ansible_version.minor >= 8 else omit }}"
force: "{{ omit if ansible_version.major > 2 or ansible_version.minor >= 8 else matrix_dynamic_dns_docker_image_force_pull }}"
when: matrix_dynamic_dns_enabled|bool and not matrix_dynamic_dns_container_image_self_build
- name: Ensure Dynamic DNS paths exist
file:
path: "{{ item.path }}"
state: directory
mode: 0751
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_groupname }}"
with_items:
- { path: "{{ matrix_dynamic_dns_base_path }}", when: true }
- { path: "{{ matrix_dynamic_dns_config_path }}", when: true }
- { path: "{{ matrix_dynamic_dns_docker_src_files_path }}", when: "{{ matrix_dynamic_dns_container_image_self_build }}" }
when: matrix_dynamic_dns_enabled|bool and item.when|bool
- name: Ensure Dynamic DNS repository is present on self build
git:
repo: https://github.com/linuxserver/docker-ddclient.git
dest: "{{ matrix_dynamic_dns_docker_src_files_path }}"
force: "yes"
register: matrix_dynamic_dns_git_pull_results
when: "matrix_dynamic_dns_enabled|bool and matrix_dynamic_dns_container_image_self_build|bool"
- name: Ensure Dynamic DNS Docker image is built
docker_image:
name: "{{ matrix_dynamic_dns_docker_image }}"
source: build
force_source: "{{ matrix_dynamic_dns_git_pull_results.changed }}"
build:
dockerfile: Dockerfile
path: "{{ matrix_dynamic_dns_docker_src_files_path }}"
pull: yes
when: "matrix_dynamic_dns_enabled|bool and matrix_dynamic_dns_container_image_self_build|bool"
- name: Ensure Dynamic DNS ddclient.conf installed
template:
src: "{{ role_path }}/templates/ddclient.conf.j2"
dest: "{{ matrix_dynamic_dns_config_path }}/ddclient.conf"
mode: 0644
owner: "{{ matrix_user_username }}"
group: "{{ matrix_user_groupname }}"
- name: Ensure matrix-dynamic-dns.service installed
template:
src: "{{ role_path }}/templates/systemd/matrix-dynamic-dns.service.j2"
dest: "/etc/systemd/system/matrix-dynamic-dns.service"
mode: 0644
register: matrix_dynamic_dns_systemd_service_result
- name: Ensure systemd reloaded after matrix-dynamic-dns.service installation
service:
daemon_reload: yes
when: "matrix_dynamic_dns_systemd_service_result.changed"