qa: add localized version of Thomas Mueller's snaptest-2.sh

http://github.com/vinzent/ceph-testsuite/blob/master/tests/snaptest-2

qa/workunits/snaptest-2.sh

@@ -0,0 +1,57 @@
+#!/bin/bash
+
+echo "Create dir 100 to 199 ..."
+for i in $(seq 100 199); do
+	echo "    create dir $i"
+	mkdir "$i"
+	for y in $(seq 10 20); do
+		echo "This is a test file before any snapshot was taken." >"$i/$y"
+	done
+done
+
+echo "Take first snapshot .snap/test1"
+mkdir .snap/test1
+
+echo "Create dir 200 to 299 ..."
+for i in $(seq 200 299); do
+	echo "    create dir $i"
+        mkdir $i
+        for y in $(seq 20 29); do
+                echo "This is a test file. Created after .snap/test1" >"$i/$y"
+        done
+done
+
+echo "Create a snapshot in every first level dir ..."
+for dir in $(ls); do
+	echo "    create $dir/.snap/snap-subdir-test"
+	mkdir "$dir/.snap/snap-subdir-test"
+	for y in $(seq 30 39); do
+		echo "        create $dir/$y file after the snapshot"
+                echo "This is a test file. Created after $dir/.snap/snap-subdir-test" >"$dir/$y"
+        done
+done
+
+echo "Take second snapshot .snap/test2"
+mkdir .snap/test2
+
+echo "Copy content of .snap/test1 to copyofsnap1 ..."
+mkdir copyofsnap1
+cp -R .snap/test1 copyofsnap1/
+
+
+echo "Take third snapshot .snap/test3"
+mkdir .snap/test3
+
+echo "Delete the snapshots..."
+
+find ./ -type d -print0 | \
+        xargs -0 -I% -n1 find %/.snap -mindepth 1 -maxdepth 1 \
+                         \( ! -name "_*" \) -print0 2>/dev/null
+
+find ./ -type d -print0 | \
+	xargs -0 -I% -n1 find %/.snap -mindepth 1 -maxdepth 1 \
+                         \( ! -name "_*" \) -print0 2>/dev/null | \
+	xargs -0 -n1 rmdir
+
+echo "Delete all the files and directories ..."
+rm -Rf ./*