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---
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#
# Generic tasks, no matter what kind of server we're using (internal/external)
#
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- import_tasks : tasks/util/detect_existing_postgres_version.yml
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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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- name : Warn if on an old version of Postgres
debug :
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msg : "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"
when : "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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- name : Ensure Postgres environment variables file created
template :
src : "{{ role_path }}/templates/env/{{ item }}.j2"
dest : "{{ matrix_environment_variables_data_path }}/{{ item }}"
mode : 0640
with_items :
- "env-postgres-pgsql-docker"
- "env-postgres-server-docker"
- name : Ensure matrix-postgres-cli script created
template :
src : "{{ role_path }}/templates/usr-local-bin/matrix-postgres-cli.j2"
dest : "/usr/local/bin/matrix-postgres-cli"
mode : 0750
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- name : Ensure matrix-make-user-admin script created
template :
src : "{{ role_path }}/templates/usr-local-bin/matrix-make-user-admin.j2"
dest : "/usr/local/bin/matrix-make-user-admin"
mode : 0750
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#
# Tasks related to setting up an internal postgres server
#
- name : Ensure postgres data path exists
file :
path : "{{ matrix_postgres_data_path }}"
state : directory
mode : 0700
owner : "{{ matrix_user_username }}"
group : "{{ matrix_user_username }}"
when : "not matrix_postgres_use_external"
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- name : Ensure matrix-postgres.service installed
template :
src : "{{ role_path }}/templates/systemd/matrix-postgres.service.j2"
dest : "/etc/systemd/system/matrix-postgres.service"
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mode : 0644
when : "not matrix_postgres_use_external"
#
# 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 : path="/etc/systemd/system/matrix-postgres.service"
register : matrix_postgres_service_stat
when : matrix_postgres_use_external
- name : Ensure matrix-postgres is stopped
service : name=matrix-postgres state=stopped daemon_reload=yes
when : "matrix_postgres_use_external and matrix_postgres_service_stat.stat.exists"
- name : Ensure matrix-postgres.service doesn't exist
file :
path : "/etc/systemd/system/matrix-postgres.service"
state : absent
when : "matrix_postgres_use_external 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 }}"
register : matrix_postgres_data_path_stat
when : matrix_postgres_use_external
# We just want to notify the user. Deleting data is too destructive.
- name : Notify if matrix-postgres local data remains
debug :
msg : "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 that."
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when : "matrix_postgres_use_external and matrix_postgres_data_path_stat.stat.exists"