It can be useful to create a post transaction snapshot to allow tools
(e.g. snapper) to analyze the differences introduced by the yum
transaction.
Add 'create_snapshots_in_post' to main section of fs-snapshot.conf.
Signed-off-by: Mike Snitzer <msnitzer@fedoraproject.org>
---
docs/yum-fs-snapshot.conf.5 | 4 ++++
plugins/fs-snapshot/fs-snapshot.conf | 1 +
plugins/fs-snapshot/fs-snapshot.py | 10 +++++++++-
3 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/docs/yum-fs-snapshot.conf.5 b/docs/yum-fs-snapshot.conf.5
index dc5c0c1..4ac623a 100644
--- a/docs/yum-fs-snapshot.conf.5
+++ b/docs/yum-fs-snapshot.conf.5
@@ -20,6 +20,10 @@ utilizes configuration options in the form of
.IP exclude
This is a space delimited list of the mount points you do not wish to have
snapshotted by this plugin.
+.SH OPTION
+.IP create_snapshots_in_post
+This is a boolean value used to control whether snapshots are also created
+after running the yum transaction.
.SH OPTION - [lvm] section
.IP enabled
This is a boolean value used to control whether LVM snapshots will be
diff --git a/plugins/fs-snapshot/fs-snapshot.conf b/plugins/fs-snapshot/fs-snapshot.conf
index 3a67c69..9ada717 100644
--- a/plugins/fs-snapshot/fs-snapshot.conf
+++ b/plugins/fs-snapshot/fs-snapshot.conf
@@ -1,5 +1,6 @@
[main]
enabled = 1
+create_snapshots_in_post = 0
[lvm]
enabled = 0
diff --git a/plugins/fs-snapshot/fs-snapshot.py b/plugins/fs-snapshot/fs-snapshot.py
index 7483c2d..32a1f17 100644
--- a/plugins/fs-snapshot/fs-snapshot.py
+++ b/plugins/fs-snapshot/fs-snapshot.py
@@ -287,7 +287,7 @@ def _create_lvm_snapshot(conduit, snapshot_tag, volume):
return 1
return 2
-def pretrans_hook(conduit):
+def create_snapshots(conduit):
"""
This runs before the transaction starts. Try to snapshot anything and
everything that is snapshottable, since we do not know what an RPM will
@@ -304,3 +304,11 @@ def pretrans_hook(conduit):
elif rc == 2 and hasattr(conduit, 'registerPackageName'):
# A snapshot was successfully created
conduit.registerPackageName("yum-plugin-fs-snapshot")
+
+def pretrans_hook(conduit):
+ create_snapshots(conduit)
+
+def posttrans_hook(conduit):
+ create_snapshots_in_post = conduit.confBool('main', 'create_snapshots_in_post', default=0)
+ if create_snapshots_in_post:
+ create_snapshots(conduit)
--
1.8.1
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