forked from pool/libguestfs
Olaf Hering
86bc25c3c2
OBS-URL: https://build.opensuse.org/package/show/Virtualization/libguestfs?expand=0&rev=27
78 lines
2.1 KiB
Bash
78 lines
2.1 KiB
Bash
#!/bin/bash
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#%stage: block
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#%modules: dm-mod virtio_blk virtio_console virtio_net virtio_pci virtio_scsi
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#%programs: guestfsd lvm mdadm lsmod ip date cat
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#
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# from libguestfs-1.19.34/appliance/init:
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# Scan for MDs.
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mdadm -As --auto=yes --run
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# Scan for LVM.
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modprobe dm_mod ||:
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lvm vgscan --ignorelockingfailure
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lvm vgchange -ay --ignorelockingfailure
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# Improve virtio-blk performance (RHBZ#509383).
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for f in /sys/block/vd*/queue/rotational; do echo 1 > $f; done
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# These are useful when debugging.
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if grep -sq guestfs_verbose=1 /proc/cmdline; then
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ls -lR /dev
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cat /proc/mounts
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lvm pvs
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lvm vgs
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lvm lvs
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ip a
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ip r
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lsmod
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#hwclock -r
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date
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#ping -n -v -c 5 10.0.2.2
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#ping -n -v -c 5 10.0.2.4
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echo -n "uptime: "; cat /proc/uptime
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fi
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if ! grep -sq guestfs_rescue=1 /proc/cmdline; then
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# Run the daemon under valgrind if ./configure --enable-valgrind-daemon
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vg_channel=/dev/virtio-ports/org.libguestfs.valgrind
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if [ -w $vg_channel ]; then
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if [ -r /etc/guestfsd.suppressions ]; then
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suppressions="--suppressions=/etc/guestfsd.suppressions"
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fi
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exec 3>$vg_channel
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vg="valgrind --leak-check=full --log-fd=3 --error-exitcode=119 --max-stackframe=8388608 --child-silent-after-fork=yes $suppressions"
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echo "enabling valgrind: $vg"
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fi
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# The host will kill qemu abruptly if guestfsd shuts down normally
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$vg guestfsd
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# Otherwise we try to clean up gracefully. For example, this ensures that a
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# core dump generated by the guest daemon will be written to disk.
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else
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# Use appliance in rescue mode, also used by the virt-rescue command.
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eval $(grep -Eo 'TERM=[^[:space:]]+' /proc/cmdline)
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PS1='><rescue> '
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export TERM PS1
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echo
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echo "------------------------------------------------------------"
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echo
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echo "Welcome to virt-rescue, the libguestfs rescue shell."
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echo
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echo "Note: The contents of / are the rescue appliance."
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echo "You have to mount the guest's partitions under /sysroot"
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echo "before you can examine them."
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echo
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bash -i
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echo
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echo "virt-rescue: Syncing the disk now before exiting ..."
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echo
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fi
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echo s > /proc/sysrq-trigger
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echo o > /proc/sysrq-trigger
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