From af05a96501a93fe62d963c84f0afd2832995d2a9 Mon Sep 17 00:00:00 2001
From: Ian Fijolek <ian@iamthefij.com>
Date: Tue, 1 Nov 2022 15:03:08 -0700
Subject: [PATCH] Add playbook for recovering nomad cluster with peers.json

---
 nomad/recover-nomad.yaml | 45 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 nomad/recover-nomad.yaml

diff --git a/nomad/recover-nomad.yaml b/nomad/recover-nomad.yaml
new file mode 100644
index 0000000..d9b41e1
--- /dev/null
+++ b/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