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Fix "Migrating to a new server" flow due to dynamic user/group creation

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This commit is contained in:
Slavi Pantaleev 2020-05-06 09:55:40 +03:00
parent 6032affc20
commit ccc7aaf0ce
2 changed files with 5 additions and 2 deletions
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6
docs/maintenance-migrating.md
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@ -1,8 +1,10 @@
# Migrating to new server # Migrating to new server
1. Prepare by lowering DNS TTL for your domains (`matrix.DOMAIN`, etc.), so that DNS record changes (step 4 below) would happen faster, leading ot less downtime 1. Prepare by lowering DNS TTL for your domains (`matrix.DOMAIN`, etc.), so that DNS record changes (step 4 below) would happen faster, leading ot less downtime
2. Stop all services on the old server and make sure they won't be starting again. Execute this on the old server: `systemctl disable --now matrix*` 2. Stop all services on the old server and make sure they won't be starting again. Execute this on the old server: `systemctl disable --now matrix*`
3. Copy directory `/matrix` from the old server to the new server. Make sure to preserve ownership and permissions (use `cp -p` or `rsync -ar`)! 3. Copy directory `/matrix` from the old server to the new server. Make sure to preserve ownership and permissions (use `cp -p` or `rsync -ar`)!
4. Make sure your DNS records are adjusted to point to the new server's IP address 4. Make sure your DNS records are adjusted to point to the new server's IP address
5. Remove old server from the `inventory/hosts` file and add new server. 5. Remove old server from the `inventory/hosts` file and add new server.
6. Run `ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start`. This will create the matrix user and group and start all services on the new server 6. Run `ansible-playbook -i inventory/hosts setup.yml --tags=setup-system-user`. This will create the `matrix` user and group on the new server
7. Because the `matrix` user and group are created dynamically on each server, the user/group id may differ between the old and new server. We suggest that you adjust ownership of `/matrix` files manually by running this on the new server: `chown -R matrix:matrix /matrix`.
8. Run `ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start` to finish the installation and start all services

1
roles/matrix-base/tasks/main.yml
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@ -18,6 +18,7 @@
when: run_setup|bool when: run_setup|bool
tags: tags:
- always - always
- setup-system-user
- import_tasks: "{{ role_path }}/tasks/setup_matrix_base.yml" - import_tasks: "{{ role_path }}/tasks/setup_matrix_base.yml"
when: run_setup|bool when: run_setup|bool