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---
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#
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# Tasks related to setting up an internal postgres server
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#
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- import_tasks : "{{ role_path }}/tasks/migrate_postgres_data_directory.yml"
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when : matrix_postgres_enabled|bool
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- import_tasks : "{{ role_path }}/tasks/util/detect_existing_postgres_version.yml"
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when : matrix_postgres_enabled|bool
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# If we have found an existing version (installed from before), we use its corresponding Docker image.
# If not, we install using the latest Postgres.
#
# Upgrading is supposed to be performed separately and explicitly (see `upgrade_postgres.yml`).
- set_fact :
matrix_postgres_docker_image_to_use : "{{ matrix_postgres_docker_image_latest if matrix_postgres_detected_version_corresponding_docker_image == '' else matrix_postgres_detected_version_corresponding_docker_image }}"
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when : matrix_postgres_enabled|bool
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- name : Abort if on an unsupported Postgres version
fail :
msg : "You're on Postgres {{ matrix_postgres_detected_version }}, which is no longer supported. To upgrade, see docs/maintenance-postgres.md"
when : "matrix_postgres_enabled|bool and matrix_postgres_detected_version.startswith('9.')"
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- name : Inject warning if on an old version of Postgres
set_fact :
matrix_playbook_runtime_results : |
{{
matrix_playbook_runtime_results|default([])
+
[
"NOTE: Your setup is on an old Postgres version ({{ matrix_postgres_docker_image_to_use }}), while {{ matrix_postgres_docker_image_latest }} is supported. You can upgrade using --tags=upgrade-postgres"
]
}}
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when : "matrix_postgres_enabled|bool and matrix_postgres_docker_image_to_use != matrix_postgres_docker_image_latest"
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# Even if we don't run the internal server, we still need this for running the CLI
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- name : Ensure postgres Docker image is pulled
docker_image :
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name : "{{ matrix_postgres_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_postgres_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_postgres_docker_image_force_pull }}"
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when : matrix_postgres_enabled|bool
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register : result
retries : "{{ matrix_container_retries_count }}"
delay : "{{ matrix_container_retries_delay }}"
until : result is not failed
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- name : Ensure Postgres paths exist
file :
path : "{{ item }}"
state : directory
mode : 0700
owner : "{{ matrix_user_username }}"
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group : "{{ matrix_user_groupname }}"
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with_items :
- "{{ matrix_postgres_base_path }}"
- "{{ matrix_postgres_data_path }}"
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when : matrix_postgres_enabled|bool
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# We do this as a separate task, because:
# - 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)
# - we need to do it without `mode`, or we risk making certain `.conf` and other files's executable bit to flip to true
- name : Ensure Postgres data path ownership is correct
file :
path : "{{ matrix_postgres_data_path }}"
state : directory
owner : "{{ matrix_user_username }}"
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group : "{{ matrix_user_groupname }}"
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recurse : true
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when : matrix_postgres_enabled|bool
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- name : Ensure Postgres environment variables file created
template :
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src : "{{ role_path }}/templates/{{ item }}.j2"
dest : "{{ matrix_postgres_base_path }}/{{ item }}"
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mode : 0640
with_items :
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- "env-postgres-psql"
- "env-postgres-server"
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when : matrix_postgres_enabled|bool
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- name : Ensure matrix-postgres-cli script created
template :
src : "{{ role_path }}/templates/usr-local-bin/matrix-postgres-cli.j2"
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dest : "{{ matrix_local_bin_path }}/matrix-postgres-cli"
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mode : 0755
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when : matrix_postgres_enabled|bool
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- name : Ensure matrix-postgres-cli-non-interactive script created
template :
src : "{{ role_path }}/templates/usr-local-bin/matrix-postgres-cli-non-interactive.j2"
dest : "{{ matrix_local_bin_path }}/matrix-postgres-cli-non-interactive"
mode : 0755
when : matrix_postgres_enabled|bool
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- name : Ensure matrix-change-user-admin-status script created
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template :
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src : "{{ role_path }}/templates/usr-local-bin/matrix-change-user-admin-status.j2"
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dest : "{{ matrix_local_bin_path }}/matrix-change-user-admin-status"
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mode : 0755
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when : matrix_postgres_enabled|bool
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- name : (Migration) Ensure old matrix-make-user-admin script deleted
file :
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path : "{{ matrix_local_bin_path }}/matrix-make-user-admin"
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state : absent
when : matrix_postgres_enabled|bool
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- name : Ensure matrix-postgres-update-user-password-hash script created
template :
src : "{{ role_path }}/templates/usr-local-bin/matrix-postgres-update-user-password-hash.j2"
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dest : "{{ matrix_local_bin_path }}/matrix-postgres-update-user-password-hash"
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mode : 0755
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when : matrix_postgres_enabled|bool
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- name : Ensure matrix-postgres.service installed
template :
src : "{{ role_path }}/templates/systemd/matrix-postgres.service.j2"
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dest : "{{ matrix_systemd_path }}/matrix-postgres.service"
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mode : 0644
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register : matrix_postgres_systemd_service_result
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when : matrix_postgres_enabled|bool
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- name : Ensure systemd reloaded after matrix-postgres.service installation
service :
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daemon_reload : true
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when : "matrix_postgres_enabled|bool and matrix_postgres_systemd_service_result.changed"
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- include_tasks :
file : "{{ role_path }}/tasks/util/create_additional_databases.yml"
apply :
tags :
- always
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when : "matrix_postgres_enabled|bool and matrix_postgres_additional_databases|length > 0"
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- name : Check existence of matrix-postgres backup data path
stat :
path : "{{ matrix_postgres_data_path }}-auto-upgrade-backup"
register : matrix_postgres_data_backup_path_stat
when : "matrix_postgres_enabled|bool"
- name : Inject warning if backup data remains
set_fact :
matrix_playbook_runtime_results : |
{{
matrix_playbook_runtime_results|default([])
+
[
"NOTE: You have some Postgres backup data in `{{ matrix_postgres_data_path }}-auto-upgrade-backup`, which was created during the last major Postgres update you ran. If your setup works well after this upgrade, feel free to delete this whole directory."
]
}}
when : "matrix_postgres_enabled|bool and matrix_postgres_data_backup_path_stat.stat.exists"
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#
# Tasks related to getting rid of the internal postgres server (if it was previously enabled)
#
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- name : Check existence of matrix-postgres service
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stat :
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path : "{{ matrix_systemd_path }}/matrix-postgres.service"
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register : matrix_postgres_service_stat
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when : "not matrix_postgres_enabled|bool"
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- name : Ensure matrix-postgres is stopped
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service :
name : matrix-postgres
state : stopped
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daemon_reload : true
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when : "not matrix_postgres_enabled|bool and matrix_postgres_service_stat.stat.exists"
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- name : Ensure matrix-postgres.service doesn't exist
file :
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path : "{{ matrix_systemd_path }}/matrix-postgres.service"
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state : absent
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when : "not matrix_postgres_enabled|bool and matrix_postgres_service_stat.stat.exists"
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- name : Ensure systemd reloaded after matrix-postgres.service removal
service :
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daemon_reload : true
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when : "not matrix_postgres_enabled|bool and matrix_postgres_service_stat.stat.exists"
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- name : Check existence of matrix-postgres local data path
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stat :
path : "{{ matrix_postgres_data_path }}"
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register : matrix_postgres_data_path_stat
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when : "not matrix_postgres_enabled|bool"
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# We just want to notify the user. Deleting data is too destructive.
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- name : Inject warning if matrix-postgres local data remains
set_fact :
matrix_playbook_runtime_results : |
{{
matrix_playbook_runtime_results|default([])
+
[
"NOTE: You are not using a local PostgreSQL database, but some old data remains from before in `{{ matrix_postgres_data_path }}`. Feel free to delete it."
]
}}
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when : "not matrix_postgres_enabled|bool and matrix_postgres_data_path_stat.stat.exists"
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- name : Remove Postgres scripts
file :
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path : "{{ matrix_local_bin_path }}/{{ item }}"
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state : absent
with_items :
- matrix-postgres-cli
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- matrix-change-user-admin-status
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- matrix-postgres-update-user-password-hash
when : "not matrix_postgres_enabled|bool"