Local modifications to ClusterLabs/Anvil by Alteeve
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#!/bin/bash
#
# Note: libvirt hook scripts execute with uid=0(root) gid=0(root) for all
# operations, i.e., started, stopped.
#
# TODO: re-enable after the possible libvirt deadlock is fixed.
exit 0
{
echo "wsargs=$@"
domain_xml=$(</dev/stdin)
guest_name="$1"
operation="$2"
# Operation migrate will:
# 1. Trigger migrate->prepare->start->started operation on the destination host.
# 2. Trigger stopped->release operations on the source host.
if [[ "$operation" == "started" || "$operation" == "stopped" ]]
then
ws_open_flag=""
ws_port_flag=""
ws_suuid_flag=""
if [[ "$operation" == "started" ]]
then
ws_open_flag="--open"
# Cannot call $ virsh vncdisplay... because libvirt hooks
# cannot call anything related to libvirt, i.e., virsh, because
# a deadlock will happen.
server_vnc_port=$( grep "<graphics.*type=['\"]vnc['\"]" <<<$domain_xml | grep -oPm1 "(?<=port=['\"])\d+" )
ws_port_flag="--server-vnc-port ${server_vnc_port}"
server_uuid=$( grep -oPm1 "(?<=<uuid>)[^\s]+(?=<)" <<<$domain_xml )
ws_suuid_flag="--server-uuid ${server_uuid}"
local_host_uuid=$(</etc/anvil/host.uuid)
update_sql="UPDATE servers SET server_host_uuid = '$local_host_uuid' WHERE server_name = '$guest_name';"
echo "wsupdate=$update_sql"
anvil-access-module --query "$update_sql" --mode write
fi
ws_command_args="--server \"$guest_name\" $ws_suuid_flag --server-host-uuid local $ws_port_flag --component ws $ws_open_flag"
echo "wscmd=$ws_command_args"
striker-manage-vnc-pipes --server "$guest_name" $ws_suuid_flag --server-host-uuid local $ws_port_flag --component ws $ws_open_flag
echo "wscmd_exit=$?"
# Don't interrupt libvirt regardless of whether websockify gets setup
# successfully.
exit 0
fi
} >>/var/log/anvil.log