| #!/bin/sh | |
| # Kenneth Finnegan, 2010 | |
| # kennethfinnegan.blogspot.com | |
| # | |
| # status.sh - CGI script to print current Chumby health and statistics | |
| # | |
| # Install in web server cgi-bin/ folder | |
| # Schedule with cron to prevent stale cache: | |
| # 0 * * * * /.../cgi-bin/status.sh > /dev/null | |
| # | |
| # Revision History: | |
| # 2010 11 28: Initial implementation | |
| # 2010 11 29: Implement status caching to prevent excessive CPU usage | |
| # 2010 12 03: Fix ifconfig status to automatically switch ifs and | |
| # to not print lo status. | |
| # Moved cache to /tmp/ | |
| # 2010 12 05: Fixed header spacing to match updated ACC_TOTAL output from | |
| # logrotate.sh | |
| # Set file location variables | |
| STUBDIR="/mnt/storage/lighty/cgi-bin" | |
| CACHEDIR="/tmp" | |
| LOGDIR="/mnt/storage/logs" | |
| STATCACHE="$CACHEDIR/cgi.cache.status" | |
| ACC_TODAY="$LOGDIR/lighttpd.access.log" | |
| ACC_TOTAL="$LOGDIR/lighttpd.access.log.total" | |
| ANALYTICS="$STUBDIR/analytics.html.part" | |
| # Calculate seconds since epoch for cache and current time | |
| if [ -f $STATCACHE ]; then | |
| CACHEAGE=`stat -c %Y $STATCACHE` | |
| else | |
| touch $STATCACHE | |
| CACHEAGE=0 | |
| fi | |
| NOW=`date +%s` | |
| # Print cache to current request | |
| echo "Content-type: text/html" | |
| echo "" | |
| echo "<html><head><title>Chumby Status</title></head>" | |
| echo "<body>" | |
| cat $ANALYTICS | |
| echo "<pre>" | |
| echo " ---- Current Chumby Status ----</pre>" | |
| echo '<a href="http://kennethfinnegan.blogspot.com/2010/11/chumby-status-cgi-script.html"><pre>How this web page works</pre></a><br><pre>' | |
| cat $STATCACHE | |
| echo "</pre>" | |
| echo "<pre>" | |
| cat /etc/motd | |
| echo "</pre>" | |
| echo "</body>" | |
| # Generate new status cache if older than 20 seconds | |
| if [ `expr $NOW - $CACHEAGE` -gt 20 ] | |
| then | |
| cat > $STATCACHE << EOF | |
| `awk '{print "Load avg (1/5/15 min): "$1" "$2" "$3}' /proc/loadavg` | |
| HTTP requests processed since midnight: `wc -l < $ACC_TODAY` | |
| `echo -e "DATE\t UNIQUIE\tTOTAL"` | |
| `tail -n 7 $ACC_TOTAL` | |
| `df -m | grep -v -e none -e tmpfs` | |
| `free | head -n 2` | |
| `ifconfig | grep -e Link -e inet -e bytes | grep -A 3 -e eth0 -e wlan0` | |
| Report generated at: `date "+%F %k:%M:%S %Z"` | |
| EOF | |
| fi |
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