From 8e6831ca47a9bd39e65bd03f9ad6ca03f4c8f1ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20Gonz=C3=A1lez?= <cgonzalez@opennebula.systems>
Date: Fri, 6 Mar 2020 09:45:55 +0100
Subject: [PATCH] F #4089: Improve firecracker clean.sh (#4319)

---
 src/vmm_mad/remotes/lib/firecracker/clean.sh | 26 +++++++++++++-------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/vmm_mad/remotes/lib/firecracker/clean.sh b/src/vmm_mad/remotes/lib/firecracker/clean.sh
index c05a3156dc..e442ae4302 100755
--- a/src/vmm_mad/remotes/lib/firecracker/clean.sh
+++ b/src/vmm_mad/remotes/lib/firecracker/clean.sh
@@ -16,6 +16,8 @@
 # limitations under the License.                                             #
 #--------------------------------------------------------------------------- #
 
+source /var/tmp/one/scripts_common.sh
+
 # exit when any command fails
 set -e
 
@@ -62,14 +64,20 @@ function wait_cgroup () {
           [ ! -z "$(lsof $1)" ]; do continue; done
 }
 
-DIR="$CGROUP_PATH/cpu/firecracker/$VM_NAME"
-wait_cgroup $DIR
-if [ -d "$DIR" ]; then rmdir "$DIR"; fi
+function clean_cgroups () {
+    DIR="$CGROUP_PATH/cpu/firecracker/$VM_NAME"
+    wait_cgroup $DIR
+    if [ -d "$DIR" ]; then rmdir "$DIR"; fi
 
-DIR="$CGROUP_PATH/cpuset/firecracker/$VM_NAME"
-wait_cgroup $DIR
-if [ -d "$DIR" ]; then rmdir "$DIR"; fi
+    DIR="$CGROUP_PATH/cpuset/firecracker/$VM_NAME"
+    wait_cgroup $DIR
+    if [ -d "$DIR" ]; then rmdir "$DIR"; fi
 
-DIR="$CGROUP_PATH/pids/firecracker/$VM_NAME"
-wait_cgroup $DIR
-if [ -d "$DIR" ]; then rmdir "$DIR"; fi
+    DIR="$CGROUP_PATH/pids/firecracker/$VM_NAME"
+    wait_cgroup $DIR
+    if [ -d "$DIR" ]; then rmdir "$DIR"; fi
+}
+
+retry 3 clean_cgroups
+
+exit 0