Fix CI build failures (#140)

* TravisCI: revert to Trusty as distro, Xenial does not support rabbitmq yet
* CircleCI: add rabbitmq service
* AppVeyor: remove rabbitmq service install and don't test RabbitMQ exporter

.travis.yml

@@ -1,4 +1,5 @@
 language: go
+dist: trusty
 
 services:
   - rabbitmq
@@ -8,13 +9,13 @@ sudo: false
 matrix:
   include:
     - go: "1.9.x"
-    - go: "1.10.x"     
+    - go: "1.10.x"
     - go: "1.11.x"
       env:
         - GO111MODULE=on
     - go: "1.12.x"
       env:
-        - GO111MODULE=on      
+        - GO111MODULE=on
     - go: "tip"
       env:
         - GO111MODULE=on

appveyor.yml

@@ -10,9 +10,6 @@ environment:
   GOFLAGS: -mod=readonly
 
 install:
-  - choco install rabbitmq --ignoredependencies -y
-  - echo %PATH%
-  - echo %GOPATH%
   - set PATH=%GOPATH%\bin;c:\go\bin;%PATH%
   - go version
   - go env

circle.yml

@@ -7,5 +7,10 @@ jobs:
       - image: circleci/golang
     steps:
       - checkout
+      - run: echo 'deb http://www.rabbitmq.com/debian/ testing main' | sudo tee /etc/apt/sources.list.d/rabbitmq.list
+      - run: wget -O- https://www.rabbitmq.com/rabbitmq-release-signing-key.asc | sudo apt-key add -
+      - run: sudo apt-get update
+      - run: sudo apt-get install rabbitmq-server
+      - run: sudo service rabbitmq-server start
       - run: go get -t -v -d ./...
       - run: make vet test bench

reporter/amqp/amqp_test.go

@@ -19,7 +19,7 @@ var spans = []*model.SpanModel{
 }
 
 func TestRabbitProduce(t *testing.T) {
-	address := "amqp://guest:guest@127.0.0.1:5672/"
+	address := "amqp://guest:guest@localhost:5672/"
 	_, ch, closeFunc := setupRabbit(t, address)
 	defer closeFunc()