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- #!/bin/bash
- # `snapctl get services` returns a JSON array, example:
- #{
- #"n6801": {
- # "listen": 6801,
- # "vnc": "localhost:5901"
- #},
- #"n6802": {
- # "listen": 6802,
- # "vnc": "localhost:5902"
- #}
- #}
- snapctl get services | jq -c '.[]' | while read service; do # for each service the user sepcified..
- # get the important data for the service (listen port, VNC host:port)
- listen_port="$(echo $service | jq --raw-output '.listen')"
- vnc_host_port="$(echo $service | jq --raw-output '.vnc')" # --raw-output removes any quotation marks from the output
-
- # check whether those values are valid
- expr "$listen_port" : '^[0-9]\+$' > /dev/null
- listen_port_valid=$?
- if [ ! $listen_port_valid ] || [ -z "$vnc_host_port" ]; then
- # invalid values mean the service is disabled, do nothing except for printing a message (logged in /var/log/system or systemd journal)
- echo "novnc: not starting service ${service} with listen_port ${listen_port} and vnc_host_port ${vnc_host_port}"
- else
- # start (and fork with '&') the service using the specified listen port and VNC host:port
- $SNAP/novnc_proxy --listen $listen_port --vnc $vnc_host_port &
- fi
- done
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