2020-02-23 20:19:26 +00:00
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#! /bin/bash
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# -*- sh -*-
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declare -a QUERY=(${QUERY_STRING//&/ })
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ACTION=${QUERY[0]}
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TARGET=${QUERY[-1]}
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[ "$TARGET" = "$ACTION" ] && TARGET=""
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cat <<EOT
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Content-type: text/html
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>RPiRENA Data Acqusition</title>
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</head>
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<body>
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2021-09-17 08:36:11 +00:00
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<h1>Live plots of $(hostname)</h1>
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2020-02-23 20:19:26 +00:00
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EOT
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2021-09-17 08:36:11 +00:00
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exec 2>&1
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2020-02-23 20:19:26 +00:00
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if [ -z "$ACTION" ]
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then
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RUNNING=""
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2021-09-17 08:36:11 +00:00
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for r in python rpirena-auto.py
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2020-02-23 20:19:26 +00:00
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do
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if sudo -u stephan /usr/bin/killall -s 0 -r "$r" 2>/dev/null
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then
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RUNNING="$r"
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echo "<h2>$r is running!</h2>"
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fi
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done
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[ -z "$RUNNING" ] && echo "<h2>rpirena is NOT running.</h2>"
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cat <<EOT
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<h2>Please choose an action:</h2>
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<ul>
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<li/><a href="rpirena-control?halt">Shutdown</a> the Raspberry Pi (sudo halt).
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EOT
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[ -z "$RUNNING" ] && cat <<EOF
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2021-09-17 08:36:11 +00:00
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<li/><a href="rpirena-control?start">Start</a> rpirena-auto.py (sudo /etc/rc.local start_rpirena).
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2020-02-23 20:19:26 +00:00
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EOF
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[ "$RUNNING" = 'rpirena-auto.py' ] && cat <<EOF
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<li/><a href="rpirena-control?stop">Stop</a> rpirena-auto.py (echo "stop" > ~stephan/rpirena/auto-run).
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<li/><a href="rpirena-control?restart">Restart</a> a new data file (echo "restart" > ~stephan/rpirena/auto-run).
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EOF
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cat <<EOT
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2021-09-17 08:36:11 +00:00
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<li/><a href="rpirena">Return to the Plots.</a>
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2020-02-23 20:19:26 +00:00
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</ul>
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<pre>
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EOT
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ps axfu | grep -v ' 0.0 *0 *0 .*]$'
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cat <<EOT
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</pre>
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</body>
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</html>
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EOT
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exit 0
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fi
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case "$ACTION" in
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restart|stop)
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if sudo -u stephan /usr/bin/killall -s 0 -r 'rpirena-auto.py'
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then
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CONFIRM="<a href=\"rpirena?${ACTION}\">Really ${ACTION} the acquisition</a>"
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else
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CONFIRM='rpirena-auto.py is not running.'
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fi
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;;
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start)
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if sudo -u stephan /usr/bin/killall -s 0 -r 'rpirena(-auto)?.py'
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then
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CONFIRM='rpirena(-auto)?.py is running'
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else
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if [ "$TARGET" = "force" ]
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then
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echo "<pre>"
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2021-09-17 08:36:11 +00:00
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sudo /etc/rc.local start_rpirena
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2020-02-23 20:19:26 +00:00
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sleep 1
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echo "</pre>"
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CONFIRM="sudo /etc/rc.local was executed"
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else
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CONFIRM='<a href="rpirena-control?start&force">Really start rpirena-auto.py?</a>'
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fi
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fi
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;;
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halt)
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if [ "$TARGET" = "force" ]
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then
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echo "</ul><h2>Shutdown in procgress, bye …</h2>sudo /sbin/halt</body></html>"
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sleep 1
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sudo /sbin/halt
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exit 0
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else
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CONFIRM='<a href="rpirena-control?halt&force">Really shutdown the Raspberry Pi?</a>'
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fi
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;;
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esac
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cat <<EOT
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<h2>Please confirm:</h2>
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<ul>
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<li/> $CONFIRM
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<li/> <a href="rpirena?old">No thanks, back to the Plots</a>.
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</ul>
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<pre>
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EOT
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ps axfu | grep -v ' 0.0 *0 *0 .*]$'
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cat <<EOT
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</pre>
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</body>
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</html>
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EOT
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