2c201e160e
- Update printer list when connected via VPN - Prevent printer removal, when logging in without a connection to the school network
50 lines
1.4 KiB
Django/Jinja
50 lines
1.4 KiB
Django/Jinja
#!/usr/bin/bash
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set -eu
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## Exit if first printserver is not reachable
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ping -c1 -W1 {{ printservers | first }} || exit 0
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printservers="{{ printservers | join(' ') }}"
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hostgroup="$(id -Gn "${HOSTNAME^^}$")"
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usergroup="$(id -Gn "${SUDO_USER}")"
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installedprinters="$(lpstat -v | cut -f 3 -d" " | sed 's/:$//' )"
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cat <<EOF
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Hostgroups: ${hostgroup}
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Usergroups: ${usergroup}
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Local print queues:
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${installedprinters}
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EOF
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## Remove all printers not wanted:
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for p in $installedprinters ; do
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printer_ip=$(lpstat -v "${p}" | sed -nE "s%.*ipp://(.+)/printers.*%\1%p")
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if [[ -n $printer_ip ]] && (echo "${printservers}" | grep -w -q "${printer_ip}"); then
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echo "Removing print queue '$p'."
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lpadmin -x "$p"
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fi
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done
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installedprinters="$(lpstat -v | cut -f 3 -d" " | sed 's/:$//' )"
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## Add all printers needed:
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for ps in $printservers ; do
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echo "Checking print server '$ps' for available printers:"
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printers="$(timeout 5 lpstat -h "$ps" -U "${SUDO_USER}" -v | sed -E 's/^.+ (\w+): .+$/\1/')"
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echo -e "$printers\n"
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for p in $printers; do
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if [[ "${hostgroup}" =~ "$p" ]] || [[ "${usergroup}" =~ "$p" ]] ; then
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if [[ "$installedprinters" =~ "$p" ]] ; then
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echo "Print queue '$p' already available."
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else
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echo "Adding print queue '$p'."
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timeout 10 lpadmin -p "$p" -E -v \
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"ipp://$ps/printers/$p" \
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-m "driverless:ipp://$ps/printers/$p" || echo "Adding queue '$p' failed."
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installedprinters+=" $p"
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fi
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fi
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done
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done
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