Enable CI failures for linting (#164)

* use golangci-lint

* enable dead firehose event tests

* add some ignore for files that I won't be fixing right now

* fix errcheck problems in cfn/wrap_test.go

* fix errcheck for cfn/wrap.go

* fix previously dead kinesis firehose tests

.golangci.yml

@@ -0,0 +1,19 @@
+run:
+  skip-files:
+    # These were code-generated, and cannot be changed without breaking RPC compatability.
+    - lambda/messages/*.go
+
+    # FIXME
+    # events/codebuild.go:18:2: SA9004: only the first constant in this group has an explicit type (staticcheck)
+    # 	CodeBuildPhaseStatusFailed     CodeBuildPhaseStatus = "FAILED"
+    # 	^
+    # events/codebuild.go:31:2: SA9004: only the first constant in this group has an explicit type (staticcheck)
+    # 	CodeBuildPhaseTypeSubmitted       CodeBuildPhaseType = "SUBMITTED"
+    # 	^
+    - events/codebuild.go
+
+    # FIXME
+    # events/codedeploy.go:16:2: SA9004: only the first constant in this group has an explicit type (staticcheck)
+    #	CodeDeployDeploymentStateFailure CodeDeployDeploymentState = "FAILURE"
+    #	^
+    - events/codedeploy.go

.travis.yml

@@ -11,8 +11,8 @@ before_install:
   - go mod download
 
 install:
-  - go get golang.org/x/lint/golint
   - go get github.com/haya14busa/goverage
+  - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.21.0
 
 matrix:
   allow_failures:
@@ -24,13 +24,12 @@ notifications:
 
 before_script:
   - PKGS=$(go list ./...)
-  - LINT_PKGS=$(go list ./... | grep -Ev 'aws-lambda-go/lambda')
 
 script:
   - diff -u <(echo -n) <(gofmt -d ./)                                    # Fail if a .go file hasn't been formatted with gofmt
   - goverage -v -race -covermode=atomic -coverprofile=coverage.txt $PKGS # Run all tests with coverage
   - go vet -v ./...                                                      # static analyisis
-  - golint $LINT_PKGS                                                    # lint - ignore failures for now
+  - golangci-lint run ./...
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

cfn/wrap.go

@@ -34,7 +34,8 @@ func lambdaWrapWithClient(lambdaFunction CustomResourceFunction, client httpClie
 			if funcDidPanic {
 				r.Status = StatusFailed
 				r.Reason = "Function panicked, see log stream for details"
-				r.sendWith(client)
+				// FIXME: something should be done if an error is returned here
+				_ = r.sendWith(client)
 			}
 		}()
 

cfn/wrap_test.go

@@ -46,7 +46,8 @@ func TestCopyLambdaLogStream(t *testing.T) {
 		return
 	}
 
-	lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+	_, err := lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+	assert.NoError(t, err)
 	lambdacontext.LogStreamName = lgs
 }
 
@@ -72,7 +73,8 @@ func TestPanicSendsFailure(t *testing.T) {
 	}
 
 	assert.Panics(t, func() {
-		lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+		_, err := lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+		assert.NoError(t, err)
 	})
 
 	assert.True(t, didSendStatus, "FAILED should be sent to CloudFormation service")
@@ -99,7 +101,8 @@ func TestDontCopyLogicalResourceId(t *testing.T) {
 		return
 	}
 
-	lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+	_, err := lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+	assert.NoError(t, err)
 }
 
 func TestWrappedError(t *testing.T) {
@@ -123,7 +126,8 @@ func TestWrappedError(t *testing.T) {
 		return
 	}
 
-	lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+	_, err := lambdaWrapWithClient(fn, client)(context.TODO(), *testEvent)
+	assert.NoError(t, err)
 }
 
 func TestWrappedSendFailure(t *testing.T) {