forked from freifunk-franken/firmware
Fabian Bläse
25c5edcf3c
Because nodewatcher is executed using a cron, but our cron has no way to report the origin of a specific log entry, a 'nodewatcher:' prefix is added to all debug output. Signed-off-by: Fabian Bläse <fabian@blaese.de> Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
50 lines
1.1 KiB
Bash
Executable File
50 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
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# License; GPL v3
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test -f /tmp/started || exit
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# Allow only one instance
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lockfile="/var/lock/${0##*/}.lock"
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if ! lock -n "$lockfile"; then
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echo "Only one instance of $0 allowed."
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exit 1
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fi
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trap "lock -u \"$lockfile\"" INT TERM EXIT
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[ -s /etc/config/nodewatcher ] || exit 1
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SCRIPT_DATA_FILE=$(uci get nodewatcher.@script[0].data_file)
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debug() {
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(>&2 echo "nodewatcher: $1")
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}
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#This method generates the crawl data XML file that is being fetched by netmon
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#and provided by a small local httpd
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crawl() {
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debug "Putting all information into a XML-File and save it at $SCRIPT_DATA_FILE"
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DATA="<?xml version='1.0' standalone='yes'?><data>"
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for f in /usr/lib/nodewatcher.d/*.sh; do
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tmp="$($f)"
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DATA="$DATA$tmp"
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done
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DATA="$DATA</data>"
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#write data to xml file that provides the data on httpd
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SCRIPT_DATA_DIR=$(dirname "$SCRIPT_DATA_FILE")
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test -d "$SCRIPT_DATA_DIR" || mkdir -p "$SCRIPT_DATA_DIR"
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echo "$DATA" | gzip | tee "$SCRIPT_DATA_FILE" | alfred -s 64
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}
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LANG=C
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#Erzeugt die statusdaten
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debug "Generate actual status data"
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crawl
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exit 0
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