[thirdparty/mdadm.git] / tests / 00createnames

set -x -e

# Test how <devname> and --name= are handled for create mode.
# We need to check three properties, generated from those parameters:
# - devnode name
# - link in /dev/md/ (MD_DEVNAME property from --detail --export)
# - name in metadata (MD_NAME property from --examine --export)

function _verify() {
  local DEVNODE_NAME="$1"
  local WANTED_LINK="$2"
  local WANTED_NAME="$3"

  local RES="$(mdadm -D --export $DEVNODE_NAME | grep MD_DEVNAME)"
  if [[ "$?" != "0" ]]; then
    echo "Cannot get details for $DEVNODE_NAME - unexpected devnode."
    exit 1
  fi

  if [[ "$WANTED_LINK" != "empty" ]]; then
    local EXPECTED="MD_DEVNAME=$WANTED_LINK"
      if [[ "$RES" != "$EXPECTED" ]]; then
        echo "$RES doesn't match $EXPECTED."
        exit 1
      fi
  fi


  local RES="$(mdadm -E --export $dev0 | grep MD_NAME)"
  if [[ "$?" != "0" ]]; then
    echo "Cannot get metadata from $dev0."
    exit 1
  fi

  local EXPECTED="MD_NAME=$(hostname):$WANTED_NAME"
  if [[ "$RES" != "$EXPECTED" ]]; then
    echo "$RES doesn't match $EXPECTED."
    exit 1
  fi
}

function _create() {
  local DEVNAME=$1
  local NAME=$2

  if [[ -z "$NAME" ]]; then
    mdadm -CR "$DEVNAME" -l0 -n 1 $dev0 --force
  else
    mdadm -CR "$DEVNAME" --name="$NAME" -l0 -n 1 $dev0 --force
  fi

  if [[ "$?" != "0" ]]; then
    echo "Cannot create device."
    exit 1
  fi
}

# The most trivial case.
_create "/dev/md/name"
_verify "/dev/md127" "name" "name"
mdadm -S "/dev/md127"

_create "name"
_verify "/dev/md127" "name" "name"
mdadm -S "/dev/md127"

# Use 'mdX' as name.
_create "/dev/md/md0"
_verify "/dev/md127" "md0" "md0"
mdadm -S "/dev/md127"

_create "md0"
_verify "/dev/md127" "md0" "md0"
mdadm -S "/dev/md127"

# <devnode> is used to create MD_DEVNAME but, name is used to create MD_NAME.
_create "/dev/md/devnode" "name"
_verify "/dev/md127" "devnode" "name"
mdadm -S "/dev/md127"

_create "devnode" "name"
_verify "/dev/md127" "devnode" "name"
mdadm -S "/dev/md127"

# Devnode points to /dev/ directory. MD_DEVNAME doesn't exist.
_create "/dev/md0"
_verify "/dev/md0" "empty" "0"
mdadm -S "/dev/md0"

# Devnode points to /dev/ directory and name is set.
_create "/dev/md0" "name"
_verify "/dev/md0" "empty" "name"
mdadm -S "/dev/md0"
Commit	Line	Data
b7671c82 MT	1	set -x -e
	2
	3	# Test how <devname> and --name= are handled for create mode.
	4	# We need to check three properties, generated from those parameters:
	5	# - devnode name
	6	# - link in /dev/md/ (MD_DEVNAME property from --detail --export)
	7	# - name in metadata (MD_NAME property from --examine --export)
	8
	9	function _verify() {
	10	local DEVNODE_NAME="$1"
	11	local WANTED_LINK="$2"
	12	local WANTED_NAME="$3"
	13
	14	local RES="$(mdadm -D --export $DEVNODE_NAME \| grep MD_DEVNAME)"
	15	if [[ "$?" != "0" ]]; then
	16	echo "Cannot get details for $DEVNODE_NAME - unexpected devnode."
	17	exit 1
	18	fi
	19
	20	if [[ "$WANTED_LINK" != "empty" ]]; then
	21	local EXPECTED="MD_DEVNAME=$WANTED_LINK"
	22	if [[ "$RES" != "$EXPECTED" ]]; then
	23	echo "$RES doesn't match $EXPECTED."
	24	exit 1
	25	fi
	26	fi
	27
	28
	29	local RES="$(mdadm -E --export $dev0 \| grep MD_NAME)"
	30	if [[ "$?" != "0" ]]; then
	31	echo "Cannot get metadata from $dev0."
	32	exit 1
	33	fi
	34
	35	local EXPECTED="MD_NAME=$(hostname):$WANTED_NAME"
	36	if [[ "$RES" != "$EXPECTED" ]]; then
	37	echo "$RES doesn't match $EXPECTED."
	38	exit 1
	39	fi
	40	}
	41
	42	function _create() {
	43	local DEVNAME=$1
	44	local NAME=$2
	45
	46	if [[ -z "$NAME" ]]; then
	47	mdadm -CR "$DEVNAME" -l0 -n 1 $dev0 --force
	48	else
	49	mdadm -CR "$DEVNAME" --name="$NAME" -l0 -n 1 $dev0 --force
	50	fi
	51
	52	if [[ "$?" != "0" ]]; then
	53	echo "Cannot create device."
	54	exit 1
	55	fi
	56	}
	57
	58	# The most trivial case.
	59	_create "/dev/md/name"
	60	_verify "/dev/md127" "name" "name"
	61	mdadm -S "/dev/md127"
	62
	63	_create "name"
	64	_verify "/dev/md127" "name" "name"
65	mdadm -S "/dev/md127"
66
67	# Use 'mdX' as name.
68	_create "/dev/md/md0"
69	_verify "/dev/md127" "md0" "md0"
70	mdadm -S "/dev/md127"
71
72	_create "md0"
73	_verify "/dev/md127" "md0" "md0"
74	mdadm -S "/dev/md127"
75
76	# <devnode> is used to create MD_DEVNAME but, name is used to create MD_NAME.
77	_create "/dev/md/devnode" "name"
78	_verify "/dev/md127" "devnode" "name"
79	mdadm -S "/dev/md127"
80
81	_create "devnode" "name"
82	_verify "/dev/md127" "devnode" "name"
83	mdadm -S "/dev/md127"
84
85	# Devnode points to /dev/ directory. MD_DEVNAME doesn't exist.
86	_create "/dev/md0"
87	_verify "/dev/md0" "empty" "0"
88	mdadm -S "/dev/md0"
89
90	# Devnode points to /dev/ directory and name is set.
91	_create "/dev/md0" "name"
92	_verify "/dev/md0" "empty" "name"
93	mdadm -S "/dev/md0"