Add playbook for restoring offline'd node

playbooks/node-up.yaml

@@ -0,0 +1,56 @@
+---
+- name: Online nodes
+  hosts: cluster
+  vars_prompt:
+    - name: skylab_datastore_encryption_password
+      prompt: Enter datastore block decryption password
+      private: true
+  roles:
+    - role: datastore
+      when: "'datastore' in skylab_roles | default([])"
+  tasks:
+    - name: Fetch node swarm ID
+      ansible.builtin.command:
+        cmd: !unsafe docker info --format '{{ .Swarm.NodeID}}'
+      changed_when: false
+      register: _docker_node_id_raw
+
+    - name: Update node availability
+      vars:
+        ansible_python_interpreter: "{{ skylab_state_dir }}/ansible-runtime/bin/python"
+      community.docker.docker_node:
+        availability: active
+        hostname: "{{ _docker_node_id_raw.stdout.strip() }}"
+
+    - name: Determine node addresses
+      vars:
+        _node_addresses:
+          - "{{ lookup('vars', 'ansible_' + skylab_cluster.interface.access).ipv4.address | ansible.netcommon.ipaddr('host/prefix') }}"
+      ansible.builtin.set_fact:
+        _node_addresses: "{{ _node_addresses + [item.address | ansible.netcommon.ipaddr('host/prefix')] }}"
+      loop: "{{ lookup('vars', 'ansible_' + skylab_cluster.interface.access).ipv4_secondaries }}"
+      loop_control:
+        label: "{{ item.address }}"
+
+    - name: Determine cluster access addresses
+      run_once: true
+      vars:
+        _cluster_node_ips: []
+      ansible.builtin.set_fact:
+        _cluster_node_ips: "{{ _cluster_node_ips + [hostvars[item].skylab_cluster.address | ansible.netcommon.ipaddr('host/prefix')] }}"
+      loop: "{{ groups.cluster }}"
+
+    - name: Remove alternative node IPs
+      become: true
+      when: item in _cluster_node_ips and item != (skylab_cluster.address | ansible.netcommon.ipaddr('host/prefix'))
+      ansible.builtin.command:
+        cmd: ip address delete {{ item | ansible.netcommon.ipaddr('host/prefix') }} dev {{ skylab_cluster.interface.access }}
+      changed_when: true
+      loop: "{{ _node_addresses }}"
+
+    - name: Add node IP
+      become: true
+      when: skylab_cluster.address | ansible.netcommon.ipaddr('host/prefix') not in _node_addresses
+      ansible.builtin.command:
+        cmd: ip address add {{ skylab_cluster.address | ansible.netcommon.ipaddr('host/prefix') }} dev {{ skylab_cluster.interface.access }}
+      changed_when: true

roles/datastore/tasks/gluster.yaml

@@ -14,6 +14,13 @@
     path: /mnt/brick/datastore
     state: directory
 
+- name: Start and disable glusterd
+  become: true
+  ansible.builtin.systemd:
+    name: glusterd
+    state: started
+    enabled: false
+
 - name: Fetch peer status
   become: true
   ansible.builtin.command:

roles/datastore/tasks/mounts.yaml

@@ -60,6 +60,7 @@
   block:
     - name: Prompt for decryption key
       no_log: true
+      when: skylab_datastore_encryption_password is not defined
       ansible.builtin.pause:
         prompt: >-
           Datastore device {{ inventory_hostname }}:/dev/{{ skylab_datastore_device }} is not
@@ -73,7 +74,7 @@
         device: /dev/{{ skylab_datastore_device }}
         state: opened
         name: brick
-        passphrase: "{{ _luks_decryption_key.user_input }}"
+        passphrase: "{{ _luks_decryption_key.user_input | default(skylab_datastore_encryption_password) }}"
 
     - name: Fetch updated block device information
       ansible.builtin.command:

roles/server/tasks/main.yaml

@@ -16,3 +16,9 @@
 - name: Configure hostsfile
   when: skylab_direct_peers is defined
   ansible.builtin.include_tasks: hosts.yaml
+
+- name: Enable tmpfs mount
+  become: true
+  ansible.builtin.systemd:
+    name: tmp.mount
+    enabled: true

roles/swarm/tasks/join.yaml

@@ -30,6 +30,12 @@
     remote_addrs: "{{ _docker_swarm_manager_addresses }}"
     join_token: "{{ _docker_swarm_join_token.stdout.strip() }}"
 
+- name: Fetch node swarm ID
+  ansible.builtin.command:
+    cmd: !unsafe docker info --format '{{ .Swarm.NodeID}}'
+  changed_when: false
+  register: _docker_node_id_raw
+
 # For newly added nodes we don't want to have services be automatically scheduled on them
 # until the configuration is complete. The node-up playbook will be responsible for updating
 # the node to make it available in the cluster again
@@ -38,4 +44,4 @@
     ansible_python_interpreter: "{{ skylab_ansible_venv }}/bin/python"
   community.docker.docker_node:
     availability: drain
-    hostname: "{{ skylab_hostname }}"
+    hostname: "{{ _docker_node_id_raw.stdout.strip() }}"