feat: creating reports on ZFS datasets

inventory.production.ini

@@ -1,10 +1,23 @@
 # Declare all servers here with their configuration variables
 # Please sort it alphabetically
 
-[all:vars]
+[monitoring]
+monitoring-01 ansible_ssh_host=34.1.5.157
+
+[ovh]
+ovh1 ansible_ssh_host=146.59.148.140
+ovh2 ansible_ssh_host=51.210.154.203
+ovh3 ansible_ssh_host=51.210.32.79
+
+[free]
+off1 ansible_ssh_host=213.36.253.206
+off2 ansible_ssh_host=213.36.253.208
+
+# servers that are configured using this repository
+[ops_installed:children]
+monitoring
+
+[ops_installed:vars]
 ansible_ssh_user=debian
 host_domain=infra.openfoodfacts.org
 ansible_host='{{ inventory_hostname }}.{{ host_domain }}'
-
-[monitoring]
-monitoring-01 ansible_ssh_host=34.1.5.157

jobs/configure.yml

@@ -1,6 +1,8 @@
 ---
 - name: Common configuration
-  hosts: all
+  # limit to host that were configured using this role
+  hosts:
+  - ops_installed
   gather_facts: true
   become: true
   roles:

jobs/reporting.yml

@@ -0,0 +1,12 @@
+---
+# The goal of this job is to generate a reports
+# of the current state of the servers
+# than can either serve as documentation of the architecture
+# or as a mean to check some requirements are met
+# (like number of backups replications)
+- name: Generate servers reports
+  hosts: all
+  gather_facts: true
+  become: true
+  roles:
+  - role: zfs_report

roles/zfs_report/tasks/display_dataset.yml

@@ -0,0 +1,5 @@
+- ansible.builtin.debug:
+    msg: "{{ zpool_name }}"
+- ansible.builtin.debug:
+    msg: "- {{ item.name }}"
+  loop: "{{ datasets }}"

roles/zfs_report/tasks/main.yml

@@ -0,0 +1,22 @@
+- name: "Get all ZFS pools"
+  community.general.zpool_facts:
+    parsable: true
+
+- name: "Get all ZFS datasets"
+  community.general.zfs_facts:
+    name: "{{ item.name }}"
+    parsable: true
+    recurse: true
+    type: volume
+  with_items: "{{ ansible_zfs_pools }}"
+  register: zfs_data
+
+- ansible.builtin.include_tasks:
+    file: display_dataset.yml
+    apply:
+      vars:
+        datasets: "{{ zfs_data_item.ansible_facts.ansible_zfs_datasets }}"
+        zpool_name: "{{ zfs_data_item.name }}"
+  with_items: "{{ zfs_data.results }}"
+  loop_control:
+    loop_var: zfs_data_item