You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
177 lines
8.6 KiB
177 lines
8.6 KiB
---
|
|
|
|
- name: Fail if Postgres not enabled
|
|
ansible.builtin.fail:
|
|
msg: "Postgres via the matrix-postgres role is not enabled (`matrix_postgres_enabled`). Cannot migrate."
|
|
when: "not matrix_postgres_enabled | bool"
|
|
|
|
- name: Fail if util called incorrectly (missing matrix_postgres_db_migration_request)
|
|
ansible.builtin.fail:
|
|
msg: "The `matrix_postgres_db_migration_request` variable needs to be provided to this util."
|
|
when: "matrix_postgres_db_migration_request is not defined"
|
|
|
|
- name: Fail if util called incorrectly (invalid matrix_postgres_db_migration_request)
|
|
ansible.builtin.fail:
|
|
msg: "The `matrix_postgres_db_migration_request` variable needs to contain `{{ item }}`."
|
|
with_items:
|
|
- src
|
|
- dst
|
|
- caller
|
|
- engine_variable_name
|
|
- systemd_services_to_stop
|
|
when: "item not in matrix_postgres_db_migration_request"
|
|
|
|
- name: Check if the provided source database file exists
|
|
ansible.builtin.stat:
|
|
path: "{{ matrix_postgres_db_migration_request.src }}"
|
|
register: matrix_postgres_db_migration_request_src_stat_result
|
|
|
|
- name: Fail if provided source database file doesn't exist
|
|
ansible.builtin.fail:
|
|
msg: "File cannot be found on the server at {{ matrix_postgres_db_migration_request.src }}"
|
|
when: "not matrix_postgres_db_migration_request_src_stat_result.stat.exists"
|
|
|
|
- when: "matrix_postgres_pgloader_container_image_self_build | bool"
|
|
block:
|
|
- name: Ensure pgloader repository is present on self-build
|
|
ansible.builtin.git:
|
|
repo: "{{ matrix_postgres_pgloader_container_image_self_build_repo }}"
|
|
dest: "{{ matrix_postgres_pgloader_container_image_self_build_src_path }}"
|
|
version: "{{ matrix_postgres_pgloader_container_image_self_build_repo_branch }}"
|
|
force: "yes"
|
|
become: true
|
|
become_user: "{{ matrix_user_username }}"
|
|
register: matrix_postgres_pgloader_git_pull_results
|
|
|
|
# If `stable` is used, we hit an error when processing /opt/src/pgloader/build/quicklisp/dists/quicklisp/software/uax-15-20201220-git/data/CompositionExclusions.txt:
|
|
# > the octet sequence #(194) cannot be decoded
|
|
#
|
|
# The issue is described here and is not getting fixed for months: https://github.com/dimitri/pgloader/pull/1179
|
|
#
|
|
# Although we're not using the dimitri/pgloader image, the one we're using suffers from the same problem.
|
|
- name: Switch pgloader base image from Debian stable (likely 10.x/Buster) to Bullseye
|
|
ansible.builtin.lineinfile:
|
|
path: "{{ matrix_postgres_pgloader_container_image_self_build_src_path }}/Dockerfile"
|
|
regexp: "{{ item.match }}"
|
|
line: "{{ item.replace }}"
|
|
with_items:
|
|
- match: '^FROM debian:stable-slim as builder$'
|
|
replace: 'FROM debian:bullseye-slim as builder'
|
|
- match: '^FROM debian:stable-slim$'
|
|
replace: 'FROM debian:bullseye-slim'
|
|
|
|
- name: Ensure pgloader Docker image is built
|
|
docker_image:
|
|
name: "{{ matrix_postgres_pgloader_docker_image }}"
|
|
source: build
|
|
force_source: "{{ matrix_postgres_pgloader_git_pull_results.changed 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_pgloader_git_pull_results.changed }}"
|
|
build:
|
|
dockerfile: Dockerfile
|
|
path: "{{ matrix_postgres_pgloader_container_image_self_build_src_path }}"
|
|
pull: true
|
|
|
|
- name: Ensure pgloader Docker image is pulled
|
|
docker_image:
|
|
name: "{{ matrix_postgres_pgloader_docker_image }}"
|
|
source: "{{ 'pull' if ansible_version.major > 2 or ansible_version.minor > 7 else omit }}"
|
|
force_source: "{{ matrix_postgres_pgloader_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_pgloader_docker_image_force_pull }}"
|
|
when: "not matrix_postgres_pgloader_container_image_self_build"
|
|
|
|
# Defaults
|
|
|
|
- name: Set postgres_start_wait_time, if not provided
|
|
ansible.builtin.set_fact:
|
|
postgres_start_wait_time: 15
|
|
when: "postgres_start_wait_time | default('') == ''"
|
|
|
|
# Actual import work
|
|
|
|
# matrix-postgres is most likely started already
|
|
- name: Ensure matrix-postgres is started
|
|
ansible.builtin.service:
|
|
name: matrix-postgres
|
|
state: started
|
|
daemon_reload: true
|
|
register: matrix_postgres_service_start_result
|
|
|
|
- name: Wait a bit, so that Postgres can start
|
|
ansible.builtin.wait_for:
|
|
timeout: "{{ postgres_start_wait_time }}"
|
|
delegate_to: 127.0.0.1
|
|
become: false
|
|
when: "matrix_postgres_service_start_result.changed | bool"
|
|
|
|
# We only stop services here, leaving it to the caller to start them later.
|
|
#
|
|
# We can't start them, because they probably need to be reconfigured too (changing the configuration from using SQLite to Postgres, etc.),
|
|
# before starting.
|
|
#
|
|
# Since the caller will be starting them, it might make sense to leave stopping to it as well.
|
|
# However, we don't do it, because it's simpler having it here, and it also gets to happen only if we'll be doing an import.
|
|
# If we bailed out (somewhere above), nothing would have gotten stopped. It's nice to leave this running in such cases.
|
|
- name: Ensure systemd services blocking the database import are stopped
|
|
ansible.builtin.service:
|
|
name: "{{ item }}"
|
|
state: stopped
|
|
failed_when: false
|
|
with_items: "{{ matrix_postgres_db_migration_request.systemd_services_to_stop }}"
|
|
|
|
- name: Import {{ matrix_postgres_db_migration_request.engine_old }} database from {{ matrix_postgres_db_migration_request.src }} into Postgres # noqa name[template]
|
|
ansible.builtin.command:
|
|
cmd: >-
|
|
{{ matrix_host_command_docker }} run
|
|
--rm
|
|
--user={{ matrix_user_uid }}:{{ matrix_user_gid }}
|
|
--cap-drop=ALL
|
|
--network={{ matrix_docker_network }}
|
|
--mount type=bind,src={{ matrix_postgres_db_migration_request.src }},dst=/in.db,ro
|
|
--entrypoint=/bin/sh
|
|
{{ matrix_postgres_pgloader_docker_image }}
|
|
-c
|
|
'pgloader {{ matrix_postgres_db_migration_request.pgloader_options | default([]) | join(' ') }} /in.db {{ matrix_postgres_db_migration_request.dst }}'
|
|
register: matrix_postgres_migrate_db_to_postgres_import_result
|
|
changed_when: matrix_postgres_migrate_db_to_postgres_import_result.rc == 0
|
|
|
|
- when: "matrix_postgres_db_migration_request.additional_psql_statements_list | default([]) | length > 0"
|
|
block:
|
|
- ansible.builtin.import_role:
|
|
name: matrix-postgres
|
|
tasks_from: detect_existing_postgres_version
|
|
|
|
- ansible.builtin.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 }}"
|
|
|
|
- name: Execute additional Postgres SQL migration statements
|
|
ansible.builtin.command:
|
|
cmd: >-
|
|
{{ matrix_host_command_docker }} run
|
|
--rm
|
|
--user={{ matrix_user_uid }}:{{ matrix_user_gid }}
|
|
--cap-drop=ALL
|
|
--env-file={{ matrix_postgres_base_path }}/env-postgres-psql
|
|
--network={{ matrix_docker_network }}
|
|
{{ matrix_postgres_docker_image_to_use }}
|
|
psql --host=matrix-postgres --dbname={{ matrix_postgres_db_migration_request.additional_psql_statements_db_name }} --command='{{ item }}'
|
|
with_items: "{{ matrix_postgres_db_migration_request.additional_psql_statements_list }}"
|
|
register: matrix_postgres_migrate_db_to_postgres_additional_queries_result
|
|
changed_when: matrix_postgres_migrate_db_to_postgres_additional_queries_result.rc == 0
|
|
|
|
- name: Archive {{ matrix_postgres_db_migration_request.engine_old }} database ({{ matrix_postgres_db_migration_request.src }} -> {{ matrix_postgres_db_migration_request.src }}.backup) # noqa name[template]
|
|
ansible.builtin.command:
|
|
cmd: "mv {{ matrix_postgres_db_migration_request.src }} {{ matrix_postgres_db_migration_request.src }}.backup"
|
|
register: matrix_postgres_migrate_db_to_postgres_move_result
|
|
changed_when: matrix_postgres_migrate_db_to_postgres_move_result.rc == 0
|
|
|
|
- name: Inject result
|
|
ansible.builtin.set_fact:
|
|
matrix_playbook_runtime_results: |
|
|
{{
|
|
matrix_playbook_runtime_results | default([])
|
|
+
|
|
[
|
|
"NOTE: Your {{ matrix_postgres_db_migration_request.engine_old }} database file has been imported into Postgres. The original database file has been moved from `{{ matrix_postgres_db_migration_request.src }}` to `{{ matrix_postgres_db_migration_request.src }}.backup`. When you've confirmed that the import went well and everything works, you should be able to safely delete this file."
|
|
]
|
|
}}
|