add influxdb reporter

metrics.sh

@@ -5,9 +5,9 @@ INTERVAL=1
 REPORTER=stdout # TODO: handle multiple reporters
 
 # env
-export LC_ALL=en_US.UTF-8
-export LANG=en_US.UTF-8
-export LANGUAGE=en_US.UTF-8
+LC_ALL=en_US.UTF-8
+LANG=en_US.UTF-8
+LANGUAGE=en_US.UTF-8
 
 # handle opts
 opts_spec=":dhvr:"

reporters/file.sh

@@ -1,12 +1,5 @@
 #!/bin/sh
 
-report () {
-  local METRIC=$1
-  local VALUE=$2
-  local DATE=$(iso_date)
-  echo "$DATE $METRIC: $VALUE" >> $FILE_LOCATION
-}
-
 init () {
   if [ -z $FILE_LOCATION ]; then
     echo "Missing configuration: \$FILE_LOCATION"
@@ -18,6 +11,13 @@ init () {
   fi
 }
 
+report () {
+  local METRIC=$1
+  local VALUE=$2
+  local DATE=$(iso_date)
+  echo "$DATE $METRIC: $VALUE" >> $FILE_LOCATION
+}
+
 docs () {
   echo "Write to a file or named pipe."
   echo "\$FILE_LOCATION=$FILE_LOCATION"

reporters/influxdb.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+init () {
+  if [ -z $INFLUXDB_API_ENDPOINT ]; then
+    echo "Error: influxdb requires \$INFLUXDB_API_ENDPOINT to be set"
+    exit 1
+  fi
+}
+
+report () {
+  local METRIC=$1
+  local VALUE=$2
+  curl -X POST -d "[{\"name\":\"$METRIC\",\"columns\":[\"value\"],\"points\":[[$VALUE]]}]" $INFLUXDB_API_ENDPOINT
+}
+
+docs () {
+  echo "Send data to InfluxDB."
+  echo "\$INFLUXDB_API_ENDPOINT="
+}

reporters/keen_io.sh

@@ -22,8 +22,8 @@ init() {
 }
 
 report () {
-  METRIC=$1
-  VALUE=$2
+  local METRIC=$1
+  local VALUE=$2
   curl -s $__keen_io_api_url -H "Content-Type: application/json" \
                   -d "{\"metric\": \"$METRIC\", \"value\": $VALUE}" > /dev/null
 }

reporters/stathat.sh

@@ -8,8 +8,8 @@ init () {
 }
 
 report () {
-  METRIC=$1
-  VALUE=$2
+  local METRIC=$1
+  local VALUE=$2
   curl -s -d "stat=$METRIC&ezkey=$STATHAT_API_KEY&value=$VALUE" \
                                       http://api.stathat.com/ez > /dev/null
 }

reporters/stdout.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 
 report () {
-  METRIC=$1
-  VALUE=$2
+  local METRIC=$1
+  local VALUE=$2
   echo $METRIC: $VALUE
 }