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Make sure that the command socket exists and is a socket.

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This handles the case of running an updated supervisor on an old image which doesn't support host commands - printing out a nice message and waiting rather than exiting silently.
This commit is contained in:
Pagan Gazzard 2014-08-19 18:09:19 +01:00 committed by Pablo Carranza Vélez
parent 33441c74e7
commit a9672bd5af
1 changed files with 12 additions and 6 deletions
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18
src/enterContainer.sh
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@ -3,10 +3,16 @@ SOCKET_NAME=test-${1}-${2}-${3}
HOST_DATA_PATH=/resin-data/resin-supervisor
HOST_SOCKET=${HOST_DATA_PATH}/${SOCKET_NAME}
SUPERVISOR_SOCKET_PATH=/data
COMMAND_SOCKET=${SUPERVISOR_SOCKET_PATH}/host
echo "
rm -f ${HOST_SOCKET}
socat UNIX-LISTEN:${HOST_SOCKET} EXEC:'${HOST_DATA_PATH}/enter.sh ${1}',pty,setsid,setpgid,stderr,ctty &
exit
" | socat UNIX:${SUPERVISOR_SOCKET_PATH}/host - >& /dev/null
socat UNIX:${SUPERVISOR_SOCKET_PATH}/${SOCKET_NAME} -,raw,echo=0
if [ ! -S ${COMMAND_SOCKET} ]; then
echo 'TTY mode not supported on this image, please update.'
sleep infinity
else
echo "
rm -f ${HOST_SOCKET}
socat UNIX-LISTEN:${HOST_SOCKET} EXEC:'${HOST_DATA_PATH}/enter.sh ${1}',pty,setsid,setpgid,stderr,ctty &
exit
" | socat UNIX:${COMMAND_SOCKET} - >& /dev/null
socat UNIX:${SUPERVISOR_SOCKET_PATH}/${SOCKET_NAME} -,raw,echo=0
fi