60 lines
1.2 KiB
Bash
Executable file
60 lines
1.2 KiB
Bash
Executable file
#!/bin/bash
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source "$(dirname $(readlink -f "$0"))/config.sh"
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function do_notify {
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msg="$1"
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curl "http://[::1]:51641/plain" -F message="$msg"
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}
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function do_one {
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if [ "$#" -lt 4 ] ; then
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>&2 echo "Missing argument to do_one."
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return
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fi
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url="$1"
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pattern="$2"
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msg="$3"
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elt_id="$4"
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state_path="$STATE_DIR/$elt_id"
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echo -n "Polling $url… "
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curl -s "$url" | grep -q "$pattern"
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no_match="$?"
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if [ "$no_match" -eq 1 ]; then
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if [ -f "$state_path" ] ; then
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echo "no match anymore"
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rm -f "$state_path"
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else
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echo "still no match"
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fi
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else # match
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if ! [ -f "$state_path" ] ; then # no previous match
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echo "now matches"
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touch "$state_path"
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do_notify "$msg"
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else
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echo "still matches"
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fi
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fi
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}
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if [ "${#URLS[@]}" -ne "${#PATTERNS[@]}" ] \
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|| [ "${#URLS[@]}" -ne "${#MESSAGES[@]}" ]
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then
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>&2 echo "Bad configuration: unbalanced number of elements"
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exit 2
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fi
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mkdir -p "$STATE_DIR"
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for elt_id in "${!URLS[@]}"; do
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do_one \
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"${URLS[$elt_id]}" \
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"${PATTERNS[$elt_id]}" \
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"${MESSAGES[$elt_id]}" \
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"$elt_id"
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done
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