initial code repo

[stor4nfv.git] / src / ceph / qa / workunits / rbd / map-unmap.sh

diff --git a/src/ceph/qa/workunits/rbd/map-unmap.sh b/src/ceph/qa/workunits/rbd/map-unmap.sh
new file mode 100755 (executable)
index 0000000..ce7d20f
--- /dev/null
+++ b/src/ceph/qa/workunits/rbd/map-unmap.sh
@@ -0,0 +1,44 @@
+#!/bin/bash -ex
+
+RUN_TIME=300           # approximate duration of run (seconds)
+
+[ $# -eq 1 ] && RUN_TIME="$1"
+
+IMAGE_NAME="image-$$"
+IMAGE_SIZE="1024"      # MB
+
+function get_time() {
+       date '+%s'
+}
+
+function times_up() {
+       local end_time="$1"
+
+       test $(get_time) -ge "${end_time}"
+}
+
+function map_unmap() {
+       [ $# -eq 1 ] || exit 99
+       local image_name="$1"
+
+       local dev
+       dev="$(sudo rbd map "${image_name}")"
+       sudo rbd unmap "${dev}"
+}
+
+#### Start
+
+rbd create "${IMAGE_NAME}" --size="${IMAGE_SIZE}"
+
+COUNT=0
+START_TIME=$(get_time)
+END_TIME=$(expr $(get_time) + ${RUN_TIME})
+while ! times_up "${END_TIME}"; do
+       map_unmap "${IMAGE_NAME}"
+       COUNT=$(expr $COUNT + 1)
+done
+ELAPSED=$(expr "$(get_time)" - "${START_TIME}")
+
+rbd rm "${IMAGE_NAME}"
+
+echo "${COUNT} iterations completed in ${ELAPSED} seconds"