qemu-ga: sample fsfreeze-script

PATCH New Tomoki Sekiyama 1 participant 1 message Nov 8, 2012

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Tomoki Sekiyama

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2012-11-08 12:05 UTC #0 lore raw

PATCH 2/2 qemu-ga: sample fsfreeze-script

Adds sample scripts for --fsfreeze-script option of qemu-ga.
-fsfreeze.sh: iterates and execute scripts in fsfreeze.d/ -fsfreeze.d/mysql-flush.sh: quiesce MySQL before snapshot

Signed-off-by Tomoki Sekiyama <[email protected]>

---
 .gitignore                                         |  1 +
 .../fsfreeze.d/mysql-flush.sh                      | 41 ++++++++++++++++++++++
 .../fsfreeze-script-sample/fsfreeze.sh             | 17 +++++++++
 3 files changed, 59 insertions(+)
 create mode 100755 docs/qemu-guest-agent/fsfreeze-script-sample/fsfreeze.d/mysql-flush.sh
 create mode 100755 docs/qemu-guest-agent/fsfreeze-script-sample/fsfreeze.sh

.gitignore +1 -0

index bd6ba1c..867cb86 100644
@@ -68,6 +68,7 @@ fsdev/virtfs-proxy-helper.pod
 *.tp
 *.vr
 *.d
+!fsfreeze.d
 *.o
 *.lo
 *.la

docs/qemu-guest-agent/fsfreeze-script-sample/fsfreeze.d/mysql-flush.sh new file +41 -0

41 lines not on this page · raw message

docs/qemu-guest-agent/fsfreeze-script-sample/fsfreeze.sh new file +17 -0

new file mode 100755
index 0000000..b402107
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# This script is executed when a guest agent receives fsfreeze-freeze and
+# fsfreeze-thaw command when it is specified in --fsfreeze-script/-F option
+# of qemu-ga or placed in default path (/etc/qemu/fsfreeze-script.sh).
+# When the agent receives fsfreeze-freeze command, the script is issued with
+# "freeze" argument before the filesystem is freezed.. And for fsfreeze-thaw,
+# it is issued with "thaw" argument after filesystem is thawed.
+#
+# This script iterates executables in directory "fsfreeze.d" with the
+# specified argument.
+
+cd `dirname $0`
+cd fsfreeze.d
+for x in *; do
+	[ -x ./$x ] && ./$x $1
+done

Signature · 1 line

1.7.11.7