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Manually send SIGHUP to vtysh when the current session was disconnected #1801

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merged 2 commits into from
Jun 20, 2018
Merged

Manually send SIGHUP to vtysh when the current session was disconnected #1801

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Manually send SIGHUP to vtysh when the current session was disconnected
pavel-shirshov Jun 19, 2018
0e251f9
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pavel-shirshov Jun 19, 2018
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15 changes: 14 additions & 1 deletion dockers/docker-fpm-frr/base_image_files/vtysh
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Original file line number Diff line number Diff line change
@@ -1,3 +1,16 @@
#!/bin/bash

docker exec -i bgp vtysh "$@"
# Determine whether stdout is on a terminal
if [ -t 1 ] ; then
# Prepare a function to send HUP signal to vtysh in the container
# we mark the new instance of vtysh with the current tty as a tag
TTY=$(tty)
function cleanup
{
docker exec -i bgp pkill -HUP -f "vtysh $TTY"
}
trap cleanup HUP
docker exec -ti bgp vtysh "$TTY" "$@"
else
docker exec -i bgp vtysh "$@"
fi
15 changes: 14 additions & 1 deletion dockers/docker-fpm-quagga/base_image_files/vtysh
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Original file line number Diff line number Diff line change
@@ -1,3 +1,16 @@
#!/bin/bash

docker exec -i bgp vtysh "$@"
# Determine whether stdout is on a terminal
if [ -t 1 ] ; then
# Prepare a function to send HUP signal to vtysh in the container
# we mark the new instance of vtysh with the current tty as a tag
TTY=$(tty)
function cleanup
{
docker exec -i bgp pkill -HUP -f "vtysh $TTY"
}
trap cleanup HUP
docker exec -ti bgp vtysh "$TTY" "$@"
else
docker exec -i bgp vtysh "$@"
fi