diff --git a/playbooks/update-homarr.yml b/playbooks/update-homarr.yml new file mode 100644 index 0000000..cb308dc --- /dev/null +++ b/playbooks/update-homarr.yml @@ -0,0 +1,145 @@ +--- +# ============================================================================ +# update-homarr.yml — pull latest Homarr image + recreate the running stack +# ============================================================================ +# Lightweight, routine updater. Does NOT rewrite docker-compose.yml and does NOT +# fetch secrets — it operates on the compose stack already deployed by +# deploy-homarr.yml, so any manual env/compose edits on the host are preserved. +# +# For a first-time / full (re)deploy use deploy-homarr.yml instead. +# +# Connects AS the `ansible` user via the deploy SSH key (same pattern as +# deploy-homarr.yml). Semaphore injects SSH_PRIVATE_KEY from Infisical. +# +# Usage: playbook playbooks/update-homarr.yml, extra vars: target=racknerd1 +# ============================================================================ + +- name: "PRECHECK — fetch deploy SSH key from Infisical" + hosts: localhost + gather_facts: false + vars: + infisical_url: "{{ lookup('env','INFISICAL_URL') | default('http://192.168.122.41:8080', true) }}" + infisical_env_slug: "{{ lookup('env','INFISICAL_ENV_SLUG') | default('dev', true) }}" + tasks: + - name: "[precheck] Infisical auth vars present?" + ansible.builtin.assert: + that: + - lookup('env','INFISICAL_CLIENT_ID') | length > 0 + - lookup('env','INFISICAL_CLIENT_SECRET') | length > 0 + - lookup('env','INFISICAL_PROJECT_ID') | length > 0 + fail_msg: "Missing INFISICAL_CLIENT_ID / _SECRET / _PROJECT_ID in Semaphore Environment." + + - name: "[precheck] Login to Infisical" + infisical.vault.login: + url: "{{ infisical_url }}" + auth_method: universal_auth + universal_auth_client_id: "{{ lookup('env','INFISICAL_CLIENT_ID') }}" + universal_auth_client_secret: "{{ lookup('env','INFISICAL_CLIENT_SECRET') }}" + register: infisical_login + + - name: "[precheck] Read secrets" + infisical.vault.read_secrets: + login_data: "{{ infisical_login.login_data }}" + project_id: "{{ lookup('env','INFISICAL_PROJECT_ID') }}" + env_slug: "{{ infisical_env_slug }}" + path: "/" + as_dict: true + register: infisical_secrets + + - name: "[precheck] stash SSH key for update play" + ansible.builtin.set_fact: + pc_ssh_privkey: "{{ infisical_secrets.secrets.SSH_PRIVATE_KEY }}" + no_log: true + + - name: "[precheck] write deploy private key to runner temp (0600)" + ansible.builtin.copy: + dest: "/tmp/homarr_deploy_key" + content: "{{ pc_ssh_privkey }}\n" + mode: "0600" + no_log: true + +- name: "Update Homarr (pull + recreate, as ansible user)" + hosts: "{{ target | default('racknerd1') }}" + gather_facts: false + vars: + deploy_user: ansible + homarr_dir: "/home/{{ deploy_user }}/docker/homarr" + homarr_port: 7575 + ansible_user: ansible + ansible_ssh_private_key_file: "/tmp/homarr_deploy_key" + ansible_ssh_common_args: "-o StrictHostKeyChecking=accept-new -o IdentitiesOnly=yes" + tasks: + - name: Reset connection so docker group membership is active in this session + ansible.builtin.meta: reset_connection + + - name: Gather facts (after connection reset) + ansible.builtin.setup: + + - name: Docker available (rootless, via docker group)? + ansible.builtin.command: docker version + register: dv + changed_when: false + failed_when: dv.rc != 0 + + - name: Existing compose stack present? + ansible.builtin.stat: + path: "{{ homarr_dir }}/docker-compose.yml" + register: compose_file + + - name: Fail early if stack not deployed + ansible.builtin.assert: + that: + - compose_file.stat.exists + fail_msg: >- + No docker-compose.yml at {{ homarr_dir }} — run deploy-homarr.yml first. + update-homarr.yml only updates an already-deployed stack. + + - name: Record image digest before update + ansible.builtin.command: + cmd: docker inspect --format '{{ '{{' }}.Image{{ '}}' }}' homarr + register: img_before + changed_when: false + failed_when: false + + - name: Pull latest image + recreate (compose preserved as-is) + community.docker.docker_compose_v2: + project_src: "{{ homarr_dir }}" + pull: always + state: present + recreate: auto + + - name: Record image digest after update + ansible.builtin.command: + cmd: docker inspect --format '{{ '{{' }}.Image{{ '}}' }}' homarr + register: img_after + changed_when: false + + - name: Wait for Homarr to be healthy + ansible.builtin.uri: + url: "http://127.0.0.1:{{ homarr_port }}/" + status_code: [200, 302, 307] + register: health + retries: 15 + delay: 5 + until: health.status is defined and health.status in [200, 302, 307] + + - name: Prune the now-dangling old image (best effort) + ansible.builtin.command: docker image prune -f + register: prune + changed_when: "'Total reclaimed space: 0B' not in prune.stdout" + failed_when: false + + - name: Result + ansible.builtin.debug: + msg: >- + Homarr on {{ inventory_hostname }}:{{ homarr_port }} — HTTP {{ health.status }}. + {{ 'Image updated.' if img_before.stdout != img_after.stdout else 'Already up to date (no image change).' }} + +- name: "Cleanup runner temp key" + hosts: localhost + gather_facts: false + tasks: + - name: "remove temp deploy key from runner" + ansible.builtin.file: + path: /tmp/homarr_deploy_key + state: absent