From edd1d3174982c5f4d5253944369002e9343cd5e4 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 10 Jan 2024 15:53:25 +0100
Subject: storage/lvm/base: allow global volumes

---
 roles/storage/lvm/base/defaults/main.yml     | 27 ++++++++++++++++++++++++
 roles/storage/lvm/base/filter_plugins/lvm.py | 31 ++++++++++++++++++++++++++++
 roles/storage/lvm/base/tasks/main.yml        | 11 +++++++++-
 roles/storage/lvm/volume/defaults/main.yml   |  2 +-
 roles/storage/lvm/volume/tasks/main.yml      |  1 -
 5 files changed, 69 insertions(+), 3 deletions(-)
 create mode 100644 roles/storage/lvm/base/filter_plugins/lvm.py

(limited to 'roles/storage')

diff --git a/roles/storage/lvm/base/defaults/main.yml b/roles/storage/lvm/base/defaults/main.yml
index 74dc0c20..36df4a51 100644
--- a/roles/storage/lvm/base/defaults/main.yml
+++ b/roles/storage/lvm/base/defaults/main.yml
@@ -6,3 +6,30 @@ lvm_groups: {}
 #     pvs:
 #     - /dev/sdb
 #     - /dev/sdc1
+
+lvm_volumes: {}
+
+# lvm_volumes:
+#   system/test:
+#     vg: "{{ host_name }}"
+#     lv: test
+#     size: 1G
+#     fs: ext4
+#     dest: /srv/test
+#   foo/test: &_lvm_thinpool_foo_test_
+#     vg: foo
+#     lv: test
+#     thinpool: true
+#     size: 4G
+#   foo/blub:
+#     parent: *_lvm_thinpool_foo_test_
+#     lv: blub
+#     size: 3G
+#     fs: ext4
+#     dest: /srv/blub
+#   foo/hugo:
+#     parent: *_lvm_thinpool_foo_test_
+#     lv: hugo
+#     size: 2G
+#     fs: ext4
+#     dest: /srv/hugo
diff --git a/roles/storage/lvm/base/filter_plugins/lvm.py b/roles/storage/lvm/base/filter_plugins/lvm.py
new file mode 100644
index 00000000..0f8b1e97
--- /dev/null
+++ b/roles/storage/lvm/base/filter_plugins/lvm.py
@@ -0,0 +1,31 @@
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+from functools import partial
+
+from ansible import errors
+
+
+def lvm_volume_list(data):
+    try:
+        thinpools = []
+        volumes = []
+        for name, volume in data.items():
+            entry = {'name': name, 'volume': volume}
+            if 'thinpool' in volume and volume['thinpool'] == True:
+                thinpools.append(entry)
+            else:
+                volumes.append(entry)
+        return thinpools + volumes
+    except Exception as e:
+        raise errors.AnsibleFilterError("lvm_volume_list(): %s" % str(e))
+
+
+class FilterModule(object):
+
+    filter_map = {
+        'lvm_volume_list': lvm_volume_list,
+    }
+
+    def filters(self):
+        return self.filter_map
diff --git a/roles/storage/lvm/base/tasks/main.yml b/roles/storage/lvm/base/tasks/main.yml
index ddcd49c7..75af733b 100644
--- a/roles/storage/lvm/base/tasks/main.yml
+++ b/roles/storage/lvm/base/tasks/main.yml
@@ -1,5 +1,5 @@
 ---
-- name: create volume groups
+- name: create lvm volume groups
   loop: "{{ lvm_groups | dict2items }}"
   loop_control:
     label: "{{ item.key }}"
@@ -10,3 +10,12 @@
     pesize: "{{ item.value.pesize | default(omit) }}"
     pv_options: "{{ item.value.pv_options | default(omit) }}"
     state: present
+
+- name: create lvm volumes
+  loop: "{{ lvm_volumes | lvm_volume_list }}"
+  loop_control:
+    label: "{{ item.name }}"
+  vars:
+    lvm_volume: "{{ item.volume }}"
+  include_role:
+    name: storage/lvm/volume
diff --git a/roles/storage/lvm/volume/defaults/main.yml b/roles/storage/lvm/volume/defaults/main.yml
index a64a7c86..6c0d6cf5 100644
--- a/roles/storage/lvm/volume/defaults/main.yml
+++ b/roles/storage/lvm/volume/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 # lvm_volume:
 #   parent:
-#     type: lvm
+#     thinpool: true
 #     ...
 #   vg: foo
 #   lv: bar
diff --git a/roles/storage/lvm/volume/tasks/main.yml b/roles/storage/lvm/volume/tasks/main.yml
index 166d6ff8..5b9cb1e7 100644
--- a/roles/storage/lvm/volume/tasks/main.yml
+++ b/roles/storage/lvm/volume/tasks/main.yml
@@ -4,7 +4,6 @@
   assert:
     msg: "the volume parent must be a lvm thinpool"
     that:
-    - lvm_volume.parent.type == 'lvm'
     - (lvm_volume.parent.thinpool | default(false))
 
 - name: install thin-provisioning-tools
-- 
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