forked from jakub/ansible
Add Ansible playbook for updating Nextcloud DB and Redis on VM via Proxmox
This commit is contained in:
martin.fencl
293
nextcloud/update_nextcloud_db_redis.yml
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293
nextcloud/update_nextcloud_db_redis.yml
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# nextcloud/update_nextcloud_db_redis.yml
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- name: Update Nextcloud DB and Redis on VM via Proxmox
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hosts: proxmox
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gather_facts: false
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become: true
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become_user: root
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become_method: sudo
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vars:
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# --- Connection to VM (provided by Semaphore env vars) ---
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vm_ip: "{{ lookup('env', 'VM_IP') }}"
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vm_user: "{{ lookup('env', 'VM_USER') }}"
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vm_pass: "{{ lookup('env', 'VM_PASS') }}"
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use_sudo: false
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# --- Debug / retries ---
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DEBUG: "{{ lookup('env', 'DEBUG') | default(0) | int }}"
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RETRIES: "{{ lookup('env', 'RETRIES') | default(25) | int }}"
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# --- Nextcloud specifics ---
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nextcloud_project: "nextcloud-collabora"
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nextcloud_compose_file: "/data/compose/nextcloud/docker-compose-nextcloud.yml"
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# Service names from docker-compose file
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nextcloud_web_service: "nextcloud"
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nextcloud_db_service: "nextclouddb"
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redis_service: "redis"
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# Backup directory on the VM (timestamped on controller)
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backup_dir: "/data/compose/nextcloud/backup-db-redis-{{ lookup('pipe', 'date +%F-%H%M%S') }}"
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nextcloud_base_url: "https://cloud.martinfencl.eu"
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nextcloud_status_url: "{{ nextcloud_base_url }}/status.php"
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# Docker command prefix (consistent behavior and quiet hints)
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docker_prefix: "unalias docker 2>/dev/null || true; DOCKER_CLI_HINTS=0; command docker"
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# --- Backup phase commands (run on VM) ---
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# Same idea as in update_nextcloud.yml: maintenance on + config/custom_apps + DB dump
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nextcloud_backup_commands:
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- >
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mkdir -p "{{ backup_dir }}"
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- >
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docker exec -u www-data nextcloud php occ maintenance:mode --on
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- >
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docker exec nextcloud sh -c 'tar czf /tmp/nextcloud_conf.tgz -C /var/www/html config custom_apps'
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- >
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docker cp nextcloud:/tmp/nextcloud_conf.tgz "{{ backup_dir }}/nextcloud_conf.tgz"
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- >
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docker exec nextcloud rm /tmp/nextcloud_conf.tgz || true
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- >
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docker exec nextcloud-db sh -c 'command -v mariadb-dump >/dev/null && mariadb-dump -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE" || mysqldump -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE"' > "{{ backup_dir }}/db.sql"
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# --- DB + Redis upgrade commands (run on VM) ---
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db_redis_upgrade_commands:
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# Update MariaDB service
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- >
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{{ docker_prefix }} compose -p {{ nextcloud_project }} -f {{ nextcloud_compose_file }} pull {{ nextcloud_db_service }}
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- >
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{{ docker_prefix }} compose -p {{ nextcloud_project }} -f {{ nextcloud_compose_file }} up -d --no-deps --force-recreate {{ nextcloud_db_service }}
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# Simple DB health check (non-fatal)
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- >
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docker exec nextcloud-db sh -c 'mysqladmin ping -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE"' || true
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# Update Redis service
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- >
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{{ docker_prefix }} compose -p {{ nextcloud_project }} -f {{ nextcloud_compose_file }} pull {{ redis_service }}
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- >
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{{ docker_prefix }} compose -p {{ nextcloud_project }} -f {{ nextcloud_compose_file }} up -d --no-deps --force-recreate {{ redis_service }}
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# Simple Redis health check (non-fatal)
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- >
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docker exec redis redis-cli PING || true
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tasks:
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- name: Ensure sshpass is installed (for password-based SSH)
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ansible.builtin.apt:
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name: sshpass
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state: present
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update_cache: yes
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- name: Nextcloud | Show current version before DB/Redis upgrade (DEBUG)
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ansible.builtin.command:
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argv:
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- sshpass
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- -e
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- ssh
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- -o
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- StrictHostKeyChecking=no
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- -o
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- ConnectTimeout=15
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- "{{ vm_user }}@{{ vm_ip }}"
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- bash
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- -lc
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- 'docker exec -u www-data nextcloud php occ -V || true'
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environment:
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SSHPASS: "{{ vm_pass }}"
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register: nc_version_before
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changed_when: false
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failed_when: false
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when: DEBUG == 1
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# -------------------------
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# Backup phase
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# -------------------------
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- name: Nextcloud | Run backup commands on VM (via SSH)
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ansible.builtin.command:
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argv:
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- sshpass
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- -e
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- ssh
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- -o
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- StrictHostKeyChecking=no
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- -o
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- ConnectTimeout=15
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- "{{ vm_user }}@{{ vm_ip }}"
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- "{{ ('sudo ' if use_sudo else '') + item }}"
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environment:
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SSHPASS: "{{ vm_pass }}"
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loop: "{{ nextcloud_backup_commands }}"
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loop_control:
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index_var: idx
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label: "backup-cmd-{{ idx }}"
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register: nc_backup_cmds
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changed_when: false
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no_log: "{{ DEBUG == 0 }}"
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- name: Nextcloud | Show outputs of backup commands (DEBUG)
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ansible.builtin.debug:
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msg: |
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CMD: {{ item.item }}
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RC: {{ item.rc }}
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STDOUT:
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{{ (item.stdout | default('')).strip() }}
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STDERR:
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{{ (item.stderr | default('')).strip() }}
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loop: "{{ nc_backup_cmds.results }}"
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when: DEBUG == 1
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- name: Nextcloud | Fail play if any backup command failed
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ansible.builtin.assert:
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that: "item.rc == 0"
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fail_msg: "Nextcloud DB/Redis backup step failed on VM: {{ item.item }} (rc={{ item.rc }})"
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success_msg: "All Nextcloud DB/Redis backup commands succeeded."
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loop: "{{ nc_backup_cmds.results }}"
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loop_control:
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index_var: idx
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label: "backup-cmd-{{ idx }}"
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# -------------------------
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# DB + Redis upgrade phase
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# -------------------------
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- name: Nextcloud | Run DB/Redis upgrade commands on VM (via SSH)
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ansible.builtin.command:
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argv:
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- sshpass
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- -e
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- ssh
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- -o
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- StrictHostKeyChecking=no
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- -o
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- ConnectTimeout=15
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- "{{ vm_user }}@{{ vm_ip }}"
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- bash
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- -lc
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- "{{ ('sudo ' if use_sudo else '') + item }}"
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environment:
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SSHPASS: "{{ vm_pass }}"
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loop: "{{ db_redis_upgrade_commands }}"
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loop_control:
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index_var: idx
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label: "db-redis-cmd-{{ idx }}"
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register: nc_db_redis_cmds
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changed_when: false
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failed_when: false
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no_log: "{{ DEBUG == 0 }}"
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- name: Nextcloud | Show outputs of DB/Redis upgrade commands (DEBUG)
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ansible.builtin.debug:
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msg: |
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CMD: {{ item.item }}
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RC: {{ item.rc }}
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STDOUT:
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{{ (item.stdout | default('')).strip() }}
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STDERR:
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{{ (item.stderr | default('')).strip() }}
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loop: "{{ nc_db_redis_cmds.results }}"
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when: DEBUG == 1
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- name: Nextcloud | Fail play if any DB/Redis upgrade command failed
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ansible.builtin.assert:
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that: "item.rc == 0"
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fail_msg: "Nextcloud DB/Redis upgrade step failed on VM: {{ item.item }} (rc={{ item.rc }})"
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success_msg: "All Nextcloud DB/Redis upgrade commands succeeded."
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loop: "{{ nc_db_redis_cmds.results }}"
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loop_control:
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index_var: idx
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label: "db-redis-cmd-{{ idx }}"
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# -------------------------
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# Disable maintenance + readiness check
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# -------------------------
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- name: Nextcloud | Disable maintenance mode after DB/Redis upgrade
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ansible.builtin.command:
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argv:
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- sshpass
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- -e
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- ssh
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- -o
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- StrictHostKeyChecking=no
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- -o
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- ConnectTimeout=15
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- "{{ vm_user }}@{{ vm_ip }}"
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- "{{ ('sudo ' if use_sudo else '') }}docker exec -u www-data nextcloud php occ maintenance:mode --off"
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environment:
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SSHPASS: "{{ vm_pass }}"
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register: nc_maint_off
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changed_when: false
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no_log: "{{ DEBUG == 0 }}"
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- name: Nextcloud | Wait for status.php (controller first)
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ansible.builtin.uri:
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url: "{{ nextcloud_status_url }}"
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method: GET
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return_content: true
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validate_certs: true
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status_code: 200
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register: nc_status_controller
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delegate_to: localhost
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run_once: true
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retries: "{{ RETRIES }}"
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delay: 4
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failed_when: false
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changed_when: false
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- name: Nextcloud | VM-side fetch status.php (JSON via Python)
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ansible.builtin.command:
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argv:
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- sshpass
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- -e
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- ssh
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- -o
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- StrictHostKeyChecking=no
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- -o
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- ConnectTimeout=15
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- "{{ vm_user }}@{{ vm_ip }}"
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- bash
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- -lc
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- |
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python3 - <<'PY'
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import json, urllib.request, sys
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try:
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with urllib.request.urlopen("{{ nextcloud_status_url }}", timeout=15) as r:
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sys.stdout.write(r.read().decode())
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except Exception:
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pass
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PY
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environment:
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SSHPASS: "{{ vm_pass }}"
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register: nc_status_vm
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changed_when: false
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failed_when: false
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when: nc_status_controller.status | default(0) != 200 or nc_status_controller.json is not defined
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no_log: "{{ DEBUG == 0 }}"
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- name: Nextcloud | Choose status JSON (controller wins, else VM)
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ansible.builtin.set_fact:
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nextcloud_status_json: >-
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{{
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(nc_status_controller.json
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if (nc_status_controller.status | default(0)) == 200 and (nc_status_controller.json is defined)
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else (
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(nc_status_vm.stdout | default('') | trim | length > 0)
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| ternary((nc_status_vm.stdout | trim | from_json), omit)
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)
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)
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}}
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failed_when: false
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- name: Nextcloud | Print concise status summary (DEBUG)
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ansible.builtin.debug:
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msg: >-
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Nextcloud {{ nextcloud_status_json.version | default('?') }}
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(installed={{ nextcloud_status_json.installed | default('?') }},
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maintenance={{ nextcloud_status_json.maintenance | default('?') }},
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needsDbUpgrade={{ nextcloud_status_json.needsDbUpgrade | default('?') }})
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when: nextcloud_status_json is defined and DEBUG == 1
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- name: Nextcloud | Status JSON not available (DEBUG)
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ansible.builtin.debug:
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msg: "status.php is not reachable or did not return JSON."
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when: nextcloud_status_json is not defined and DEBUG == 1
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