mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 18:21:39 +01:00
Juergen Gross
8937d44628
With 9pfs being fully available in Xenstore-stubdom now, there is no reason to not fully support all logging capabilities in stubdom. Open the logfile on stubdom only after the 9pfs file system has been mounted. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Jason Andryuk <jandryuk@gmail.com> Reviewed-by: Julien Grall <jgrall@amazon.com> Acked-by: Anthony PERARD <anthony.perard@citrix.com>
112 lines
3.3 KiB
Bash
112 lines
3.3 KiB
Bash
#!/bin/bash
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#
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# Copyright (c) 2016 SUSE Linux GmbH
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of version 2.1 of the GNU Lesser General Public
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# License as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; If not, see <http://www.gnu.org/licenses/>.
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#
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XENSTORED=@XENSTORED@
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. @XEN_SCRIPT_DIR@/hotplugpath.sh
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test_xenstore () {
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test -f @XEN_RUN_DIR@/xenstored.pid
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return $?
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}
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timeout_xenstore () {
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local time=0
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local timeout=30
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while [ $time -lt $timeout ] && ! test_xenstore ; do
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echo -n .
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time=$(($time+1))
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sleep 1
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done
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echo
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# Exit if we timed out
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if ! [ $time -lt $timeout ] ; then
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echo "Could not start $@"
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return 1
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fi
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return 0
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}
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test_xenstore && exit 0
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test -f @CONFIG_DIR@/@CONFIG_LEAF_DIR@/xencommons && . @CONFIG_DIR@/@CONFIG_LEAF_DIR@/xencommons
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[ "$XENSTORETYPE" = "" ] && XENSTORETYPE=daemon
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/bin/mkdir -p @XEN_RUN_DIR@
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[ "$XENSTORETYPE" = "daemon" ] && {
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[ -z "$XENSTORED_TRACE" ] || XENSTORED_ARGS="$XENSTORED_ARGS -T @XEN_LOG_DIR@/xenstored-trace.log"
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[ -z "$XENSTORED_MAX_OPEN_FDS" ] && XENSTORED_MAX_OPEN_FDS=unlimited
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[ -z "$XENSTORED" ] && XENSTORED=@XENSTORED@
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[ -x "$XENSTORED" ] || {
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echo "No xenstored found"
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exit 1
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}
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XS_OOM_SCORE=-$((${XENSTORED_OOM_MEM_THRESHOLD:-50} * 10))
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[ "$XENSTORED_MAX_OPEN_FDS" = "unlimited" ] || {
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[ -z "${XENSTORED_MAX_OPEN_FDS//[0-9]}" ] &&
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[ -n "$XENSTORED_MAX_OPEN_FDS" ] || {
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echo "XENSTORED_MAX_OPEN_FDS=$XENSTORED_MAX_OPEN_FDS invalid"
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echo "Setting to default \"unlimited\"."
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XENSTORED_MAX_OPEN_FDS=unlimited
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}
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}
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[ -r /proc/sys/fs/nr_open ] && {
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MAX_FDS=`cat /proc/sys/fs/nr_open`
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[ "$XENSTORED_MAX_OPEN_FDS" = "unlimited" ] && XENSTORED_MAX_OPEN_FDS=$MAX_FDS
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[ $XENSTORED_MAX_OPEN_FDS -gt $MAX_FDS ] && {
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echo "XENSTORED_MAX_OPEN_FDS exceeds system limit."
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echo "Setting to \"$MAX_FDS\"."
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XENSTORED_MAX_OPEN_FDS=$MAX_FDS
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}
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}
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rm -f @XEN_RUN_DIR@/xenstored.pid
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echo -n Starting $XENSTORED...
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prlimit --nofile=$XENSTORED_MAX_OPEN_FDS $XENSTORED --pid-file @XEN_RUN_DIR@/xenstored.pid $XENSTORED_ARGS
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systemd-notify --booted 2>/dev/null || timeout_xenstore $XENSTORED || exit 1
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XS_PID=`cat @XEN_RUN_DIR@/xenstored.pid`
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echo $XS_OOM_SCORE >/proc/$XS_PID/oom_score_adj
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exit 0
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}
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[ "$XENSTORETYPE" = "domain" ] && {
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[ -z "$XENSTORE_DOMAIN_KERNEL" ] && XENSTORE_DOMAIN_KERNEL=@LIBEXEC@/boot/xenstore-stubdom.gz
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XENSTORE_DOMAIN_ARGS="$XENSTORE_DOMAIN_ARGS --kernel $XENSTORE_DOMAIN_KERNEL"
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[ -z "$XENSTORE_DOMAIN_SIZE" ] && XENSTORE_DOMAIN_SIZE=8
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XENSTORE_DOMAIN_ARGS="$XENSTORE_DOMAIN_ARGS --memory $XENSTORE_DOMAIN_SIZE"
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[ -z "$XENSTORE_MAX_DOMAIN_SIZE" ] || XENSTORE_DOMAIN_ARGS="$XENSTORE_DOMAIN_ARGS --maxmem $XENSTORE_MAX_DOMAIN_SIZE"
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[ -z "$XENSTORED_TRACE" ] || XENSTORE_DOMAIN_ARGS="$XENSTORE_DOMAIN_ARGS -T xenstored-trace.log"
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echo -n Starting $XENSTORE_DOMAIN_KERNEL...
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${LIBEXEC_BIN}/init-xenstore-domain $XENSTORE_DOMAIN_ARGS || exit 1
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systemd-notify --ready 2>/dev/null
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exit 0
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}
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echo "illegal value $XENSTORETYPE for XENSTORETYPE"
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exit 1
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