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45 lines
1.2 KiB
45 lines
1.2 KiB
#!/bin/bash |
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# |
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# Note: libvirt hook scripts execute with uid=0(root) gid=0(root) for all |
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# operations, i.e., started, stopped. |
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# |
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function log { |
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echo "$(date -Is):libvirt_hooks:ws; $@" >>/var/log/anvil.log; |
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} |
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log "wsargs=$@" |
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domain_xml=$(</dev/stdin) |
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operation="$2" |
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# Operation migrate will: |
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# 1. Trigger migrate->prepare->start->started operation on the destination host. |
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# 2. Trigger stopped->release operations on the source host. |
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if [[ ! $operation =~ ^(started|stopped)$ ]] |
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then |
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exit |
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fi |
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guest_uuid=$( sed -En "s/^.*<uuid>([^[:space:]]+)<.*$/\1/p" <<<"$domain_xml" ) |
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ws_server_uuid_flag="--server-uuid $guest_uuid" |
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ws_open_flag="" |
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ws_port_flag="" |
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if [[ $operation == "started" ]] |
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then |
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ws_open_flag="--open" |
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# Cannot call $ virsh vncdisplay... because libvirt hooks |
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# cannot call anything related to libvirt, i.e., virsh, because |
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# a deadlock will happen. |
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server_vnc_port=$( sed -En "s/^.*<graphics.*type=['\"]vnc['\"].*port=['\"]([[:digit:]]+)['\"].*$/\1/p" <<<"$domain_xml" ) |
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ws_port_flag="--server-vnc-port $server_vnc_port" |
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fi |
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ws_command_args="$ws_server_uuid_flag $ws_port_flag $ws_open_flag" |
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log "wscmd=$ws_command_args" |
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anvil-manage-vnc-pipe $ws_command_args &
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