Add playbook for recovering nomad cluster with peers.json

nomad/recover-nomad.yaml

@@ -0,0 +1,45 @@
+---
+- name: Recovery Nomad
+  hosts: nomad_instances
+
+  tasks:
+    - name: Stop Nomad
+      systemd:
+        name: nomad
+        state: stopped
+      become: true
+
+    - name: Get node-id
+      slurp:
+        src: /var/nomad/server/node-id
+      register: nomad_node_id
+      become: true
+
+    - name: Node Id
+      debug:
+        msg: "node_id: {{ nomad_node_id.content }}"
+
+    - name: Address
+      debug:
+        msg: "address: {{ ansible_default_ipv4.address }}"
+
+    - name: Save
+      copy:
+        dest: /var/nomad/server/raft/peers.json
+        content: |
+          [
+          {% for host in ansible_play_hosts|reject('equalto', inventory_hostname) -%}
+            {
+            "id": "{{ hostvars[host].nomad_node_id.content }}",
+            "address": "{{ hostvars[host].ansible_default_ipv4.address }}:4647",
+            "non_voter": false
+            }{% if not loop.last %},{% endif %}
+          {% endfor -%}
+          ]
+      become: true
+
+    - name: Restart Nomad
+      systemd:
+        name: nomad
+        state: restarted
+      become: true