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lvmdump: Add -l, to collect a state dump from lvmetad.

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This commit is contained in:
Petr Rockai 2012-10-11 22:42:20 +02:00
parent 8557b412f6
commit 4022fd3e79
1 changed files with 22 additions and 1 deletions
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23
scripts/lvmdump.sh
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@ -33,11 +33,14 @@ BASENAME=basename
UDEVADM=udevadm
UNAME=uname
TR=tr
SOCAT=socat # either socat or nc is needed for dumping lvmetad state
NC=nc
# user may override lvm and dmsetup location by setting LVM_BINARY
# and DMSETUP_BINARY respectively
LVM=${LVM_BINARY-lvm}
DMSETUP=${DMSETUP_BINARY-dmsetup}
LVMETAD_SOCKET=${LVM_LVMETAD_SOCKET-/var/run/lvm/lvmetad.socket}
die() {
code=$1; shift
@ -57,6 +60,7 @@ function usage {
echo " -d <directory> dump into a directory instead of tarball"
echo " -c if running clvmd, gather cluster data as well"
echo " -u gather udev info and context"
echo " -l gather lvmetad state if running"
echo ""
exit 1
@ -66,7 +70,7 @@ advanced=0
clustered=0
metadata=0
udev=0
while getopts :acd:hmu opt; do
while getopts :acd:hmul opt; do
case $opt in
s) sysreport=1 ;;
a) advanced=1 ;;
@ -75,6 +79,7 @@ while getopts :acd:hmu opt; do
h) usage ;;
m) metadata=1 ;;
u) udev=1 ;;
l) lvmetad=1 ;;
:) echo "$0: $OPTARG requires a value:"; usage ;;
\?) echo "$0: unknown option $OPTARG"; usage ;;
*) usage ;;
@ -240,6 +245,22 @@ if (( $udev )); then
log "$CP -aR /lib/udev/rules.d \"$udev_dir/rules_lib\" 2>> \"$log\""
fi
if (( $lvmetad )); then
(echo 'request="dump"'; echo '##') | {
if type -p $SOCAT >& /dev/null; then
echo "$SOCAT unix-connect:$LVMETAD_SOCKET -" >> "$log"
$SOCAT "unix-connect:$LVMETAD_SOCKET" - 2>> "$log"
elif echo | $NC -U "$LVMETAD_SOCKET"; then
echo "$NC -U $LVMETAD_SOCKET" >> "$log"
$NC -U "$LVMETAD_SOCKET" 2>> "$log"
else
myecho "WARNING: Neither socat nor nc -U seems to be available." 1>&2
echo "# DUMP FAILED"
return 1
fi
} > "$dir/lvmetad.txt"
fi
if test -z "$userdir"; then
lvm_dump="$dirbase.tgz"
myecho "Creating report tarball in $HOME/$lvm_dump..."