feat: add support to extending existing snapshots to required percentage

Reason: MVP requirements call for managment of snapshots as sets Result: Users can set minimum space available percentage for snapshots Signed-off-by: Todd Gill <[email protected]> Co-authored-by: Richard Megginson <[email protected]>
linux-system-roles · Jan 31, 2024 · 661b4f9 · 661b4f9
1 parent cfe092b
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diff --git a/README.md b/README.md
@@ -39,6 +39,9 @@ This variable is required. It supports one of the following values:
             snapshot are open, the merge is deferred until the next time the server reboots and the
             source logical volume is activated.
 
+- `extend`: Extend snapshot to have at least snapshot_lvm_percent_space_required space allocated to the
+            snapshot.  Allocations are rounded up to the next multiple of the volume group extent size.
+
 ### snapshot_lvm_set
 
 The snapshot role supports sets of volumes.  Sets may contain any number of volumes.

diff --git a/tasks/extend.yml b/tasks/extend.yml
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: MIT
+---
+- name: Extend Snapshot
+  ansible.builtin.script: "{{ __snapshot_cmd }}"
+  args:
+    executable: "{{ __snapshot_python }}"
+  register: snapshot_cmd