added docker image unit test with OpenTSDB

outputs/opentsdb/opentsdb_test.go

@@ -3,20 +3,11 @@ package opentsdb
 import (
 	"reflect"
 	"testing"
-)
 
-var (
+        "github.com/influxdb/telegraf/testutil"
-	fakeHost = "metrics.example.com"
+        "github.com/stretchr/testify/require"
-	fakePort = 4242
 )
 
-func fakeOpenTSDB() *OpenTSDB {
-	var o OpenTSDB
-	o.Host = fakeHost
-	o.Port = fakePort
-	return &o
-}
-
 func TestBuildTagsTelnet(t *testing.T) {
 	var tagtests = []struct {
 		bpIn    map[string]string
@@ -51,3 +42,21 @@ func TestBuildTagsTelnet(t *testing.T) {
 		}
 	}
 }
+func TestWrite(t *testing.T) {
+        if testing.Short() {
+                t.Skip("Skipping integration test in short mode")
+        }
+
+        o := &OpenTSDB{
+                Host: testutil.GetLocalHost() ,
+                Port: 24242,
+        }
+
+        // Verify that we can connect to the OpenTSDB instance
+        err := o.Connect()
+        require.NoError(t, err)
+
+        // Verify that we can successfully write data to OpenTSDB
+        err = o.Write(testutil.MockBatchPoints())
+        require.NoError(t, err)
+}

scripts/docker-compose.yml

@@ -25,3 +25,9 @@ kafka:
     environment:
         ADVERTISED_HOST:
         ADVERTISED_PORT: 9092
+
+opentsdb:
+    image: lancope/opentsdb
+    ports:
+        - "24242:4242"
+