feat: WMT client versioning, release management and force-update playbook
- api/wmt.py: add GET /api/wmt/client/version and GET /api/wmt/client/download endpoints; rewrite submit_update_request with dedup logic - web/wmt.py: add releases, releases_upload, releases_delete, releases_build routes; build-from-folder excludes hidden/data/venv/pyc files - web/main.py: admin per-device delete route; clear-device-logs route; pass devices list to admin template - templates/wmt/releases.html: new release management page (current release info, upload form, build-from-folder card) - templates/admin.html: replace nuclear clear-devices with clear-logs + per-device delete table - templates/base.html: add Client Releases nav link in WMT sidebar section - templates/ansible/execute.html: add Update WMT Code playbook card - ansible/playbooks/update_wmt_code.yml: rsync WMT_project to clients excluding data/; backs up app.py; restarts wmt service - ansible_service.py: register update_wmt_code description - .gitignore: whitelist update_wmt_code.yml
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---
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# Update WMT client code from the controller's WMT_project folder
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# ──────────────────────────────────────────────────────────────────────────
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# Use this for devices that have not yet received the HTTP auto-update,
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# or whenever you need to force a code push from the server.
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#
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# What this playbook does:
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# 1. Ensure WMT directory exists on the target
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# 2. Back up the current app.py as app.py.bak.<version>
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# 3. Copy everything from /home/pi/Desktop/WMT_project/ on the CONTROLLER
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# → /home/pi/Desktop/WMT/ on the TARGET
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# The data/ directory on the target is fully preserved (never touched)
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# 4. Fix file ownership
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# 5. Restart the wmt systemd service
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#
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# The data/ directory (config.txt, idmasa.txt, tag.txt, log.txt, device_info.txt)
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# is intentionally excluded — device-specific settings stay intact.
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#
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# Run via: Ansible > Playbooks > "Update WMT Code"
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# ──────────────────────────────────────────────────────────────────────────
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- name: Update WMT client code from WMT_project folder
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hosts: all
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gather_facts: false
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become: false
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vars:
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controller_src: /home/pi/Desktop/WMT_project/
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wmt_dir: /home/pi/Desktop/WMT
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tasks:
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# ── 1. Ensure WMT directory exists ────────────────────────────────────
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- name: Ensure WMT directory exists on target
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file:
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path: "{{ wmt_dir }}"
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state: directory
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owner: pi
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group: pi
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mode: '0755'
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# ── 2. Back up current app.py ─────────────────────────────────────────
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- name: Read first line of current app.py (for backup filename)
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shell: head -1 {{ wmt_dir }}/app.py 2>/dev/null || echo "unknown"
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register: local_first_line
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changed_when: false
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ignore_errors: true
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- name: Extract local version number
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set_fact:
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local_version: >-
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{{ local_first_line.stdout
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| regex_search('version\s+([\d.]+)', '\1')
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| first | default('old') }}
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- name: Back up current app.py
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copy:
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src: "{{ wmt_dir }}/app.py"
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dest: "{{ wmt_dir }}/app.py.bak.{{ local_version }}"
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remote_src: true
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owner: pi
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group: pi
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mode: preserve
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ignore_errors: true
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- name: Show backup info
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debug:
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msg: "Backed up app.py v{{ local_version }} → app.py.bak.{{ local_version }}"
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# ── 3. Snapshot data/ before copy (audit) ────────────────────────────
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- name: List current data/ files (audit)
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shell: ls -1 {{ wmt_dir }}/data/ 2>/dev/null || echo "(empty or missing)"
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register: data_files_before
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changed_when: false
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- name: Show data/ files that will be preserved
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debug:
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msg: "data/ contents (will NOT be changed): {{ data_files_before.stdout_lines }}"
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# ── 4. Sync WMT_project → WMT on target, excluding data/ ─────────────
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# synchronize uses rsync under the hood; delegate_to pushes
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# from the controller to the target.
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- name: Sync WMT_project to target (exclude data/ and junk files)
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synchronize:
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src: "{{ controller_src }}"
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dest: "{{ wmt_dir }}/"
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recursive: true
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delete: false
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checksum: true
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rsync_opts:
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- "--exclude=data/"
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- "--exclude=.git/"
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- "--exclude=.gitignore"
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- "--exclude=__pycache__/"
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- "--exclude=*.pyc"
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- "--exclude=*.pyo"
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- "--exclude=*.log"
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- "--exclude=*.bak"
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- "--exclude=venv/"
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- "--exclude=.venv/"
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- "--exclude=node_modules/"
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- "--exclude=.*"
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register: sync_result
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- name: Show sync summary
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debug:
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msg: "Sync completed. Changed: {{ sync_result.changed }}"
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# ── 5. Fix ownership ──────────────────────────────────────────────────
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- name: Set correct ownership on WMT directory
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become: true
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file:
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path: "{{ wmt_dir }}"
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owner: pi
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group: pi
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recurse: true
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# ── 6. Verify data/ is still intact ──────────────────────────────────
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- name: List data/ files after update (verification)
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shell: ls -1 {{ wmt_dir }}/data/ 2>/dev/null || echo "(empty)"
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register: data_files_after
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changed_when: false
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- name: Show data/ contents after update (should match before)
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debug:
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msg: "{{ data_files_after.stdout_lines }}"
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# ── 7. Restart WMT service ────────────────────────────────────────────
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- name: Restart WMT systemd service
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become: true
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systemd:
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name: wmt
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state: restarted
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enabled: true
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register: service_result
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ignore_errors: true
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- name: Show service state
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debug:
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msg: "WMT service state: {{ service_result.status.ActiveState | default('unknown') }}"
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when: service_result is not failed
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- name: Warn if service restart failed
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debug:
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msg: "WARNING: wmt service restart failed – the device may need a manual reboot."
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when: service_result is failed
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vars:
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wmt_dir: /home/pi/Desktop/WMT
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tmp_zip: /tmp/wmt_update.zip
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# Controller address – override on CLI with -e "server_url=http://..."
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server_url: "http://{{ hostvars[inventory_hostname]['ansible_host'] | default(ansible_host) | regex_replace('\\d+\\.\\d+$', '10.76.157.1') }}"
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tasks:
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# ── 0. Resolve server URL ─────────────────────────────────────────────
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# The monitoring server address is read from the device's own config.txt
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# so we don't have to hard-code it here.
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- name: Read server_host from WMT config.txt
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shell: |
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grep -E '^\s*server_host\s*=' {{ wmt_dir }}/data/config.txt 2>/dev/null \
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| head -1 | awk -F'=' '{print $2}' | tr -d ' \r\n'
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register: cfg_server_host
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changed_when: false
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ignore_errors: true
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- name: Read server_port from WMT config.txt
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shell: |
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grep -E '^\s*server_port\s*=' {{ wmt_dir }}/data/config.txt 2>/dev/null \
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| head -1 | awk -F'=' '{print $2}' | tr -d ' \r\n'
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register: cfg_server_port
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changed_when: false
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ignore_errors: true
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- name: Set monitoring server base URL
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set_fact:
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monitoring_base: "http://{{ cfg_server_host.stdout | default('rpi-ansible') }}:{{ cfg_server_port.stdout | default('5000') }}"
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- name: Show resolved server URL
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debug:
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msg: "Monitoring server: {{ monitoring_base }}"
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# ── 1. Check latest version on server ────────────────────────────────
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- name: Query latest WMT version from monitoring server
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uri:
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url: "{{ monitoring_base }}/api/wmt/client/version"
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method: GET
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return_content: true
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timeout: 15
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register: version_response
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ignore_errors: true
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- name: Show server version info
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debug:
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msg: "Server release: v{{ version_response.json.version | default('unknown') }} ({{ version_response.json.filename | default('n/a') }})"
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when: version_response is not failed
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- name: Fail if server version endpoint unreachable
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fail:
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msg: "Cannot reach {{ monitoring_base }}/api/wmt/client/version – is the server running?"
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when: version_response is failed
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# ── 2. Get current local version ─────────────────────────────────────
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- name: Read first line of local app.py
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shell: head -1 {{ wmt_dir }}/app.py 2>/dev/null || echo "unknown"
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register: local_first_line
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changed_when: false
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- name: Extract local version number
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set_fact:
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local_version: "{{ local_first_line.stdout | regex_search('version\\s+([\\d.]+)', '\\1') | first | default('0') }}"
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- name: Show local version
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debug:
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msg: "Local version: {{ local_version }} | Server version: {{ version_response.json.version }}"
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# ── 3. Ensure WMT directory exists ───────────────────────────────────
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- name: Ensure WMT directory exists
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file:
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path: "{{ wmt_dir }}"
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state: directory
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owner: pi
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group: pi
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mode: '0755'
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# ── 4. Download release zip ───────────────────────────────────────────
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- name: Download WMT release zip from monitoring server
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get_url:
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url: "{{ monitoring_base }}/api/wmt/client/download"
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dest: "{{ tmp_zip }}"
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force: true
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timeout: 120
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mode: '0644'
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# ── 5. Back up current app.py ─────────────────────────────────────────
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- name: Back up current app.py
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copy:
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src: "{{ wmt_dir }}/app.py"
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dest: "{{ wmt_dir }}/app.py.bak.{{ local_version }}"
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remote_src: true
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owner: pi
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group: pi
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mode: preserve
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ignore_errors: true
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# ── 6. Extract zip – skip data/ directory ─────────────────────────────
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- name: Extract WMT release zip (preserving data/ directory)
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shell: |
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cd {{ wmt_dir }}
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python3 - <<'EOF'
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import zipfile, os, sys
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zip_path = "{{ tmp_zip }}"
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dest = "{{ wmt_dir }}"
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skipped = 0
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extracted = 0
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with zipfile.ZipFile(zip_path, 'r') as zf:
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for member in zf.infolist():
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p = member.filename.replace('\\', '/')
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if p.startswith('data/') or p == 'data':
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skipped += 1
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continue
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zf.extract(member, dest)
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extracted += 1
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print(f"Extracted {extracted} files, skipped {skipped} data/ entries")
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EOF
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register: extract_result
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changed_when: true
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- name: Show extraction result
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debug:
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msg: "{{ extract_result.stdout }}"
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# ── 7. Fix ownership ──────────────────────────────────────────────────
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- name: Set correct ownership on WMT directory
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become: true
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file:
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path: "{{ wmt_dir }}"
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owner: pi
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group: pi
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recurse: true
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# ── 8. Clean up temp zip ──────────────────────────────────────────────
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- name: Remove temporary zip file
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file:
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path: "{{ tmp_zip }}"
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state: absent
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# ── 9. Restart WMT service ────────────────────────────────────────────
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- name: Restart WMT systemd service
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become: true
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systemd:
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name: wmt
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state: restarted
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enabled: true
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register: service_result
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ignore_errors: true
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- name: Show service restart result
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debug:
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msg: "Service state: {{ service_result.status.ActiveState | default('unknown') }}"
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when: service_result is not failed
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- name: Warn if service restart failed
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debug:
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msg: "WARNING: wmt service restart failed – the device may need a manual reboot."
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when: service_result is failed
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