Initial commit

ansible/roles/linstor_storage/tasks/main.yml

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+---
+# tasks file for linstor_storage
+
+- name: Configure LVM global_filter for DRBD safely
+  ansible.builtin.lineinfile:
+    path: /etc/lvm/lvm.conf
+    insertafter: '^[ \t]*devices[ \t]*\{'
+    # This regex ensures we only ever have ONE DRBD filter line, replacing the old one if it exists
+    regexp: '^[ \t]*global_filter[ \t]*=.*r\|\^/dev/drbd\|'
+    line: '        global_filter = [ "r|^/dev/drbd|", "r|^/dev/mapper/[lL]instor|" ]'
+    state: present
+
+- name: Ensure Volume Groups exist for raw disks
+  community.general.lvg:
+    vg: "{{ item.vg_name }}"
+    pvs: "{{ item.targets[inventory_hostname] }}"
+  loop: "{{ linstor_storage_pools }}"
+  # Jinja2 magic: Only run this LVM task if the target string starts with '/dev/'
+  when: item.targets[inventory_hostname].startswith('/dev/')
+
+- name: Ensure LVM Thin Pools exist for raw disks
+  community.general.lvol:
+    vg: "{{ item.vg_name }}"
+    lv: "{{ item.thin_name }}"
+    size: "100%FREE"
+    opts: "-T -Zn"
+    shrink: false
+  loop: "{{ linstor_storage_pools }}"
+  when: item.targets[inventory_hostname].startswith('/dev/')
+
+# ---------------------------------------------------------
+# LINSTOR STORAGE REGISTRATION (Executed ONLY on Node 1)
+# ---------------------------------------------------------
+
+- name: Register Storage Pools in LINSTOR
+  ansible.builtin.shell: |
+    set -o pipefail
+
+    # We use Jinja2 to write a custom bash loop for exactly the nodes in our inventory
+    {% for host in groups['proxmox'] %}
+    {% set target = item.targets[host] %}
+    {% set lvm_path = (item.vg_name + '/' + item.thin_name) if target.startswith('/dev/') else target %}
+
+    if ! linstor storage-pool list | grep -q " {{ host }} .* {{ item.pool_name }} "; then
+      linstor storage-pool create lvmthin "{{ host }}" "{{ item.pool_name }}" "{{ lvm_path }}" > /dev/null
+      echo "changed"
+    fi
+    {% endfor %}
+  args:
+    executable: /bin/bash
+  register: linstor_storage_pool_create
+  changed_when: "'changed' in linstor_storage_pool_create.stdout"
+  loop: "{{ linstor_storage_pools }}"
+  when: inventory_hostname == groups['proxmox'][0]
+
+- name: Create Resource Groups and Volume Groups
+  ansible.builtin.shell: |
+    set -o pipefail
+    if ! linstor resource-group list | grep -q " {{ item.rg_name }} "; then
+      linstor resource-group create "{{ item.rg_name }}" --storage-pool "{{ item.pool_name }}" --place-count 3 > /dev/null
+      linstor volume-group create "{{ item.rg_name }}" > /dev/null
+      echo "changed"
+    fi
+  args:
+    executable: /bin/bash
+  register: linstor_storage_rg_create
+  changed_when: "'changed' in linstor_storage_rg_create.stdout"
+  loop: "{{ linstor_storage_pools }}"
+  when: inventory_hostname == groups['proxmox'][0]