add playbook for networkid private key backups

playbooks/networkid_pk_backup.yaml

@@ -0,0 +1,41 @@
+# Standards: 0.2
+---
+- name: Backup networkid secret key
+  hosts: polkadot,cumulus,encointer
+  gather_facts: True
+  tasks:
+    - name: Find network ID directory
+      become: True
+      become_user: root
+      ansible.builtin.find:
+        paths: "{{ default_database_path }}"
+        file_type: directory
+      register: network_dir
+
+    - name: Extract subdomain from hostname
+      ansible.builtin.set_fact:
+        subdomain: "{{ inventory_hostname.split('.')[0] }}"
+
+    # - name: Backup secrets from servers to local storage
+    #   become: True
+    #   become_user: root
+    #   ansible.builtin.copy:
+    #     src: "{{ network_dir.files[0].path }}/network/secret_ed25519"
+    #     dest: "/opt/backup/{{ subdomain }}_secret_ed25519"
+    #     owner: root
+    #     group: root
+    #     mode: 0600
+    #     remote_src: True
+    #   when: network_dir.matched > 0
+    #   tags: backup
+
+    - name: Backup secrets from servers to local storage
+      become: True
+      become_user: root
+      ansible.builtin.fetch:
+        src: "{{ network_dir.files[0].path }}/network/secret_ed25519"
+        dest: "/opt/backup/{{ subdomain }}_secret_ed25519"
+        flat: yes
+      when: network_dir.matched > 0
+      tags: backup
+...