---
- name: "🔍 Find the compose instances below '{{ DIR_COMPOSITIONS }}'"
ansible.builtin.find:
paths: "{{ DIR_COMPOSITIONS }}"
file_type: any
hidden: true
recurse: true
depth: 2
register: compose_instances_found
- name: "🧮 Plan the decommission of the instances no active role owns"
ansible.builtin.set_fact:
compose_decommission_candidates: >-
{{
compose_instances_found.files
| compose_decommission_plan(
DIR_COMPOSITIONS,
lookup('deployment').inventory
+ group_names
+ (CURRENT_PLAY_APPLICATIONS | list)
+ compose_prepared_application_ids,
lookup('deployment').all
)
}}
- name: "🔍 Find containers named like a stale compose instance"
ansible.builtin.command:
argv:
- container
- ps
- --all
- --filter
- "name=^/?{{ compose_stale_candidate | basename }}$"
- --format
- '{{ "{{" }}.Names{{ "}}" }} {{ "{{" }}.Label "com.docker.compose.project"{{ "}}" }}'
register: compose_stale_namesakes
changed_when: false
check_mode: false
loop: "{{ compose_decommission_candidates.stale }}"
loop_control:
loop_var: compose_stale_candidate
- name: "🧮 Hold back the instances a container outside compose is named after"
ansible.builtin.set_fact:
compose_decommission: "{{ compose_decommission_candidates | compose_decommission_confirm(compose_stale_namesakes.results) }}"
- name: "⚠️ Keep the unowned directories that are no compose instance"
ansible.builtin.debug:
msg: >-
No active role owns {{ compose_decommission.unmanaged | join(', ') }}, but
they are no compose instance of a known role, so the decommission leaves
them in place.
when: compose_decommission.unmanaged | length > 0
- name: "⚠️ Keep the stale instances a container outside compose runs from"
ansible.builtin.debug:
msg: >-
No active role owns {{ compose_decommission.foreign | join(', ') }}, but a
container their compose project does not own carries their name, so the
decommission leaves them in place.
when: compose_decommission.foreign | length > 0
- name: "🛑 Stop the stale compose stacks and keep their volumes"
ansible.builtin.command:
argv:
- "{{ BIN_COMPOSE }}"
- --chdir
- "{{ compose_stale_instance }}"
- down
- --remove-orphans
removes: "{{ [compose_stale_instance, 'compose.yml'] | path_join }}"
timeout: "{{ lookup('timeout', 600) | int }}"
loop: "{{ compose_decommission.stale }}"
loop_control:
loop_var: compose_stale_instance
- name: "🔍 Resolve '{{ DIR_COMPOSITIONS }}' like the compose wrapper"
ansible.builtin.command:
argv:
- realpath
- --canonicalize-missing
- "{{ DIR_COMPOSITIONS }}"
register: compose_compositions_resolved
changed_when: false
check_mode: false
- name: "🛑 Fail when a stopped compose stack left containers behind"
ansible.builtin.command:
argv:
- container
- ps
- --all
- --quiet
- --filter
- "label={{ compose_stale_label }}"
vars:
compose_stale_names: "{{ compose_decommission.stale | map('basename') | list }}"
compose_stale_working_dirs: >-
{{
compose_decommission.stale
+ (compose_stale_names | map('regex_replace', '^', compose_compositions_resolved.stdout ~ '/') | list)
}}
register: compose_stale_leftovers
changed_when: false
failed_when: compose_stale_leftovers.rc != 0 or (compose_stale_leftovers.stdout | length > 0)
loop: >-
{{
(compose_stale_names | map('regex_replace', '^', 'com.docker.compose.project=') | list)
+ (compose_stale_working_dirs | unique | map('regex_replace', '^', 'com.docker.compose.project.working_dir=') | list)
}}
loop_control:
loop_var: compose_stale_label
when: not ansible_check_mode
- name: "🗑️ Remove the stale compose instance directories"
ansible.builtin.file:
path: "{{ compose_stale_instance }}"
state: absent
loop: "{{ compose_decommission.stale }}"
loop_control:
loop_var: compose_stale_instance
