Update go version to 1.15 in travis.yml, github actions, dockerfiles

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.12
+        go-version: 1.15
     - uses: actions/checkout@v2
       with:
         path: src/github.com/aws/amazon-ecs-agent
@@ -28,7 +28,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.12
+        go-version: 1.15
     - uses: actions/checkout@v2
       with:
         submodules: true
@@ -46,7 +46,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.12
+        go-version: 1.15
     - uses: actions/checkout@v2
       with:
         submodules: true

.travis.yml

@@ -1,15 +1,15 @@
 language: go
 go_import_path: github.com/aws/amazon-ecs-agent
 sudo: false
-go:
-  - 1.12
 
 matrix:
   include:
     - os: linux
+      go: 1.15
       script:
         - make test
         - make analyze-cover-profile
     - os: windows
+      go: 1.12
       script:
         - go test -v -race -tags unit -coverprofile cover.out -timeout 40s ./agent/...

agent/api/task/util_test.go

@@ -16,13 +16,14 @@
 package task
 
 import (
+	"fmt"
 	"reflect"
 	"testing"
 )
 
 func taskN(n int) *Task {
 	return &Task{
-		Arn: string(n),
+		Arn: fmt.Sprint(n),
 	}
 }
 

misc/fluent-logger/Dockerfile

@@ -10,7 +10,7 @@
 # on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 # express or implied. See the License for the specific language governing
 # permissions and limitations under the License.
-FROM golang:1.12
+FROM golang:1.15
 
 MAINTAINER Amazon Web Services, Inc.
 COPY fluent-logger /

misc/gremlin/Makefile

@@ -15,7 +15,7 @@
 all: gremlin image
 
 gremlin: gremlin.go
-	docker run -v $(shell pwd):/out -v $(shell pwd)/gremlin.go:/in/gremlin.go -e CGO_ENABLED=0 golang:1.12 go build -a -x -ldflags '-s' -o /out/gremlin /in/gremlin.go
+	docker run -v $(shell pwd):/out -v $(shell pwd)/gremlin.go:/in/gremlin.go -e CGO_ENABLED=0 golang:1.15 go build -a -x -ldflags '-s' -o /out/gremlin /in/gremlin.go
 
 image: gremlin
 	@./docker-image

misc/netkitten/Makefile

@@ -15,7 +15,7 @@
 all: netkitten image
 
 netkitten:
-	docker run -v $(shell pwd):/out -v $(shell pwd)/netkitten.go:/in/netkitten.go -e CGO_ENABLED=0 golang:1.12 go build -a -installsuffix cgo -ldflags '-s' -o /out/netkitten /in/netkitten.go
+	docker run -v $(shell pwd):/out -v $(shell pwd)/netkitten.go:/in/netkitten.go -e CGO_ENABLED=0 golang:1.15 go build -a -installsuffix cgo -ldflags '-s' -o /out/netkitten /in/netkitten.go
 
 image: netkitten
 	@./docker-image

scripts/dockerfiles/Dockerfile.buildECSCNIPlugins

@@ -11,7 +11,7 @@
 # express or implied. See the License for the specific language governing
 # permissions and limitations under the License.
 
-FROM golang:1.12
+FROM golang:1.15
 MAINTAINER Amazon Web Services, Inc.
 
 ENV XDG_CACHE_HOME /tmp

scripts/dockerfiles/Dockerfile.cleanbuild

@@ -11,7 +11,7 @@
 # express or implied. See the License for the specific language governing
 # permissions and limitations under the License.
 
-FROM golang:1.12
+FROM golang:1.15
 MAINTAINER Amazon Web Services, Inc.
 
 ENV XDG_CACHE_HOME /tmp

scripts/dockerfiles/Dockerfile.test

@@ -32,7 +32,7 @@ RUN apt-get update && apt-get install -y \
 		--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV GOLANG_VERSION 1.12.4
+ENV GOLANG_VERSION 1.15
 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
 ENV GOLANG_DOWNLOAD_SHA256 d7d1f1f88ddfe55840712dc1747f37a790cbcaa448f6c9cf51bbe10aa65442f5