Go 1.7.4 -> 1.7.5

closes #2324

circle.yml

@@ -4,9 +4,9 @@ machine:
   post:
     - sudo service zookeeper stop
     - go version
-    - go version | grep 1.7.4 || sudo rm -rf /usr/local/go
-    - wget https://storage.googleapis.com/golang/go1.7.4.linux-amd64.tar.gz
-    - sudo tar -C /usr/local -xzf go1.7.4.linux-amd64.tar.gz
+    - go version | grep 1.7.5 || sudo rm -rf /usr/local/go
+    - wget https://storage.googleapis.com/golang/go1.7.5.linux-amd64.tar.gz
+    - sudo tar -C /usr/local -xzf go1.7.5.linux-amd64.tar.gz
     - go version
 
 dependencies:

internal/models/running_output.go

@@ -90,6 +90,9 @@ func NewRunningOutput(
 // AddMetric adds a metric to the output. This function can also write cached
 // points if FlushBufferWhenFull is true.
 func (ro *RunningOutput) AddMetric(m telegraf.Metric) {
+	if m == nil {
+		return
+	}
 	// Filter any tagexclude/taginclude parameters before adding metric
 	if ro.Config.Filter.IsActive() {
 		// In order to filter out tags, we need to create a new metric, since

internal/models/running_output_test.go

@@ -75,6 +75,23 @@ func BenchmarkRunningOutputAddFailWrites(b *testing.B) {
 	}
 }
 
+func TestAddingNilMetric(t *testing.T) {
+	conf := &OutputConfig{
+		Filter: Filter{},
+	}
+
+	m := &mockOutput{}
+	ro := NewRunningOutput("test", m, conf, 1000, 10000)
+
+	ro.AddMetric(nil)
+	ro.AddMetric(nil)
+	ro.AddMetric(nil)
+
+	err := ro.Write()
+	assert.NoError(t, err)
+	assert.Len(t, m.Metrics(), 0)
+}
+
 // Test that NameDrop filters ger properly applied.
 func TestRunningOutput_DropFilter(t *testing.T) {
 	conf := &OutputConfig{

metric/metric.go

@@ -263,7 +263,7 @@ func (m *metric) Fields() map[string]interface{} {
 		case '"':
 			// string field
 			fieldMap[unescape(string(m.fields[i:][0:i1]), "fieldkey")] = unescape(string(m.fields[i:][i2+1:i3-1]), "fieldval")
-		case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+		case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
 			// number field
 			switch m.fields[i:][i3-1] {
 			case 'i':

metric/parse_test.go

@@ -44,6 +44,9 @@ cpu,host=foo,datacenter=us-east idle=99,busy=1i,b=true,s="string"
 cpu,host=foo,datacenter=us-east idle=99,busy=1i,b=true,s="string"
 `
 
+const negMetrics = `weather,host=local temp=-99i,temp_float=-99.4 1465839830100400200
+`
+
 // some metrics are invalid
 const someInvalid = `cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
 cpu,host=foo,datacenter=us-east usage_idle=99,usage_busy=1
@@ -85,6 +88,26 @@ func TestParse(t *testing.T) {
 	}
 }
 
+func TestParseNegNumbers(t *testing.T) {
+	metrics, err := Parse([]byte(negMetrics))
+	assert.NoError(t, err)
+	assert.Len(t, metrics, 1)
+
+	assert.Equal(t,
+		map[string]interface{}{
+			"temp":       int64(-99),
+			"temp_float": float64(-99.4),
+		},
+		metrics[0].Fields(),
+	)
+	assert.Equal(t,
+		map[string]string{
+			"host": "local",
+		},
+		metrics[0].Tags(),
+	)
+}
+
 func TestParseErrors(t *testing.T) {
 	start := time.Now()
 	metrics, err := Parse([]byte(someInvalid))

plugins/inputs/mqtt_consumer/mqtt_consumer_test.go

@@ -14,6 +14,7 @@ import (
 
 const (
 	testMsg         = "cpu_load_short,host=server01 value=23422.0 1422568543702900257\n"
+	testMsgNeg      = "cpu_load_short,host=server01 value=-23422.0 1422568543702900257\n"
 	testMsgGraphite = "cpu.load.short.graphite 23422 1454780029"
 	testMsgJSON     = "{\"a\": 5, \"b\": {\"c\": 6}}\n"
 	invalidMsg      = "cpu_load_short,host=server01 1422568543702900257\n"
@@ -76,13 +77,28 @@ func TestPersistentClientIDFail(t *testing.T) {
 	assert.Error(t, err)
 }
 
-// Test that the parser parses NATS messages into metrics
 func TestRunParser(t *testing.T) {
 	n, in := newTestMQTTConsumer()
 	acc := testutil.Accumulator{}
 	n.acc = &acc
 	defer close(n.done)
 
+	n.parser, _ = parsers.NewInfluxParser()
+	go n.receiver()
+	in <- mqttMsg(testMsgNeg)
+	time.Sleep(time.Millisecond * 250)
+
+	if a := acc.NFields(); a != 1 {
+		t.Errorf("got %v, expected %v", a, 1)
+	}
+}
+
+func TestRunParserNegativeNumber(t *testing.T) {
+	n, in := newTestMQTTConsumer()
+	acc := testutil.Accumulator{}
+	n.acc = &acc
+	defer close(n.done)
+
 	n.parser, _ = parsers.NewInfluxParser()
 	go n.receiver()
 	in <- mqttMsg(testMsg)

plugins/parsers/influx/parser_test.go

@@ -19,6 +19,7 @@ var (
 
 const (
 	validInflux          = "cpu_load_short,cpu=cpu0 value=10 1257894000000000000\n"
+	negativeFloat        = "cpu_load_short,cpu=cpu0 value=-13.4 1257894000000000000\n"
 	validInfluxNewline   = "\ncpu_load_short,cpu=cpu0 value=10 1257894000000000000\n"
 	validInfluxNoNewline = "cpu_load_short,cpu=cpu0 value=10 1257894000000000000"
 	invalidInflux        = "I don't think this is line protocol\n"
@@ -82,6 +83,18 @@ func TestParseValidInflux(t *testing.T) {
 		"cpu": "cpu0",
 	}, metrics[0].Tags())
 	assert.Equal(t, exptime, metrics[0].Time().UnixNano())
+
+	metrics, err = parser.Parse([]byte(negativeFloat))
+	assert.NoError(t, err)
+	assert.Len(t, metrics, 1)
+	assert.Equal(t, "cpu_load_short", metrics[0].Name())
+	assert.Equal(t, map[string]interface{}{
+		"value": float64(-13.4),
+	}, metrics[0].Fields())
+	assert.Equal(t, map[string]string{
+		"cpu": "cpu0",
+	}, metrics[0].Tags())
+	assert.Equal(t, exptime, metrics[0].Time().UnixNano())
 }
 
 func TestParseLineValidInflux(t *testing.T) {

scripts/build.py

@@ -83,9 +83,9 @@ targets = {
 }
 
 supported_builds = {
-    "windows": [ "amd64" ],
+    "windows": [ "amd64", "i386" ],
     "linux": [ "amd64", "i386", "armhf", "armel", "arm64", "static_amd64" ],
-    "freebsd": [ "amd64" ]
+    "freebsd": [ "amd64", "i386" ]
 }
 
 supported_packages = {