Test-2: Tests for PR # 175

tests/011-test-docker-root-volume-non-default-location.sh

@@ -0,0 +1,119 @@
+source $SRCDIR/libtest.sh
+
+main(){
+local docker_graph_option="--graph"
+local docker_graph_dir="/tmp/docker"
+local delimiter=" "
+
+# Test with $docker_graph_option = '--graph' and $docker_graph_dir = '/tmp/docker'
+# and $delimiter ' ' i.e --graph /tmp/docker
+if ! test_docker_root_volume_non_default $docker_graph_option $delimiter $docker_graph_dir; then
+   return 1
+fi
+
+# Test with $docker_graph_option = '--graph' and $docker_graph_dir = '/tmp/docker'
+# and $delimiter '=' i.e --graph=/tmp/docker
+delimiter="="
+if ! test_docker_root_volume_non_default $docker_graph_option $delimiter $docker_graph_dir; then
+   return 1
+fi
+
+# Test with $docker_graph_option = '-g' and $docker_graph_dir = '/tmp/docker'
+# and delimiter '=' i.e. -g=/tmp/docker
+docker_graph_option="-g"
+if ! test_docker_root_volume_non_default $docker_graph_option $delimiter $docker_graph_dir; then
+   return 1
+fi
+
+# Test with $docker_graph_option = '-g' and $docker_graph_dir = '/tmp/docker'
+# and delimiter ' ' i.e. -g /tmp/docker
+delimiter=" "
+if ! test_docker_root_volume_non_default $docker_graph_option $delimiter $docker_graph_dir; then
+   return 1
+fi
+}
+
+# Test DOCKER_ROOT_VOLUME= directive. Returns 0 on success and 1 on failure.
+test_docker_root_volume_non_default() {
+  local devs=$TEST_DEVS
+  local test_status=1
+  local testname=`basename "$0"`
+  local vg_name="dss-test-foo"
+  local docker_root_lv_name="docker-root-lv"
+
+  # Error out if any pre-existing volume group vg named dss-test-foo
+  if vg_exists "$vg_name"; then
+    echo "ERROR: $testname: Volume group $vg_name already exists." >> $LOGS
+    return $test_status
+  fi
+
+  # Create config file
+  cat << EOF > /etc/sysconfig/docker-storage-setup
+DEVS="$devs"
+VG=$vg_name
+DOCKER_ROOT_VOLUME=yes
+DOCKER_ROOT_VOLUME_SIZE=40%FREE
+EOF
+
+ # Create /etc/sysconfig/docker file.
+  if ! create_docker_config $1 $2 $3; then
+     echo "ERROR: $testname: Creating /etc/sysconfig/docker config file." >> $LOGS
+     cleanup $vg_name "$devs"
+     return $test_status
+  fi
+
+ # Run docker-storage-setup
+ $DSSBIN >> $LOGS 2>&1
+
+ # Test failed.
+ if [ $? -ne 0 ]; then
+    echo "ERROR: $testname: $DSSBIN Failed." >> $LOGS
+    cleanup $vg_name "$devs"
+    mv /etc/sysconfig/docker.backup /etc/sysconfig/docker >/dev/null 2>&1
+    rmdir "$3" >/dev/null 2>&1
+    return $test_status
+ fi
+
+  # Make sure $DOCKER_ROOT_VOLUME {docker-root-lv} got created
+  # successfully.
+  if lv_exists "$docker_root_lv_name"; then
+    test_status=0
+  fi
+
+   # Make sure $DOCKER_ROOT_VOLUME {docker-root-lv} is
+   # mounted on $docker_graph_dir
+   local mnt
+   mnt=$(findmnt -n -o TARGET --first-only --source /dev/${vg_name}/${docker_root_lv_name})
+   if [ "$mnt" == "$3" ];then
+      test_status=0
+   fi
+
+  $DSSBIN --reset >> $LOGS 2>&1
+  # Test failed.
+  if [ $? -eq 0 ]; then
+     if [ ! -e /etc/sysconfig/docker-storage ]; then
+          test_status=0
+     fi
+  fi
+  if [ ${test_status} -eq 1 ]; then
+     echo "ERROR: $testname: $DSSBIN --reset Failed." >> $LOGS
+  fi
+
+  cleanup $vg_name "$devs"
+  mv /etc/sysconfig/docker.backup /etc/sysconfig/docker >/dev/null 2>&1
+  rmdir "$3" >/dev/null 2>&1
+  return $test_status
+}
+
+create_docker_config(){
+# Take a backup if /etc/sysconfig/docker already exists.
+if [ -f /etc/sysconfig/docker ];then
+   mv /etc/sysconfig/docker /etc/sysconfig/docker.backup
+fi
+  cat << EOF > /etc/sysconfig/docker
+OPTIONS='--selinux-enabled --log-driver=journald $1$2$3'
+DOCKER_CERT_PATH=/etc/docker
+EOF
+}
+
+main "$@"