added script to report metrics to InfluxDB

tools/report_metric.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+if [ "$#" -lt 2 ]; then
+	echo "Usage: $0 measurement_name field1=value1 field2=value2 ... -- tag1=tag1value tag2=tag2value"
+	echo "Example: $0 builds success=true warnings=235 time=123 -- branch=master comitter=stv0g"
+	exit -1
+fi
+
+HOST=${INFLUXDB_HOST:-localhost}
+PORT=${INFLUXDB_PORT:-8086}
+DB=${INFLUXDB_DATABASE:-builds}
+
+CURL_OPTS="-i -XPOST"
+
+if [ -n "${INFLUXDB_USER}" -a -n "${INFLUXDB_PASSWORD}" ]; then
+	CURL_OPTS+=" -u ${INFLUXDB_USER}:${INFLUXDB_PASSWORD}"
+fi
+
+function join_by {
+	local IFS="$1"
+	shift
+	echo "$*"
+}
+
+search() {
+	local i=0;
+	for str in ${@:2}; do
+		if [ "$str" = "$1" ]; then
+			echo $i
+			return
+		else
+			((i++))
+		fi
+	done
+	echo ""
+}
+
+I=$(search "--" $@)
+
+if [ -n "$I" ]; then
+	TAGS=",$(join_by , ${@:(($I+2))})"
+	VALUES=${@:2:(($I-1))}
+else
+	VALUES=${@:2}
+fi
+
+MEASUREMENT=$1
+TS=$(date +%s%N)
+
+curl ${CURL_OPTS} "http://${HOST}:${PORT}/write?db=${DB}" --data-binary "${MEASUREMENT}${TAGS} ${VALUES} ${TS}"