Switch to golangci-lint

Makefile

@@ -1,3 +1,4 @@
+GOLANGCI_LINT_ARGS := --enable=gosec --enable=dupl
 TESTREPORT := test-results.xml
 
 # XXX BUG(mweber) "go env GOBIN" is empty?
@@ -34,17 +35,12 @@ test: build
 
 .PHONY: lint
 lint: dep
-	go list ./... | grep -v vendor | xargs go vet
-	go list ./... | grep -v vendor | xargs golint
-	ineffassign .
-	gosec -quiet ./...
+	golangci-lint run $(GOLANGCI_LINT_ARGS)
 
 .PHONY: prereq
 prereq:
 	go get github.com/golang/dep/cmd/dep
-	go get golang.org/x/lint/golint
-	go get github.com/gordonklaus/ineffassign
-	go get github.com/securego/gosec/cmd/gosec/...
+	go get github.com/golangci/golangci-lint/cmd/golangci-lint
 	go get gotest.tools/gotestsum
 
 .PHONY: clean

clients/splunk/error.go

@@ -27,10 +27,7 @@ func (e APIError) Error() string {
 // Empty returns true if empty. Otherwise, at least 1 error message is
 // present and false is returned.
 func (e APIError) Empty() bool {
-	if len(e.Messages) == 0 {
-		return true
-	}
-	return false
+	return len(e.Messages) == 0
 }
 
 // relevantError returns any non-nil http-related error (creating the request,

clients/splunk/testing.go

@@ -203,6 +203,7 @@ func NewTestSplunkServiceWithTempAdmin() (cleanup func(), conn *API, err error)
 	clConn := conn
 	clCleanup := cleanup
 	cleanup = func() {
+		// nolint:errcheck
 		// #nosec G104
 		clConn.AccessControl.Authentication.Users.Delete(testUser)
 		clCleanup()

clients/splunk/user_test.go

@@ -31,6 +31,7 @@ func TestUserService_Create(t *testing.T) {
 
 	user, _, err := userSvc.Create(params)
 	assert.NilError(t, err)
+	// nolint:errcheck
 	defer userSvc.Delete(user.Name)
 	assert.Equal(t, user.Name, params.Name)
 	assert.Equal(t, user.Content.Email, params.Email)
@@ -53,6 +54,7 @@ func TestUserService_Update_Email(t *testing.T) {
 
 	user, _, err := userSvc.Create(params)
 	assert.NilError(t, err)
+	// nolint:errcheck
 	defer userSvc.Delete(user.Name)
 	assert.Equal(t, user.Name, params.Name)
 
@@ -69,11 +71,12 @@ func TestUserService_Update_Password(t *testing.T) {
 
 	user, _, err := userSvc.Create(params)
 	assert.NilError(t, err)
+	// nolint:errcheck
 	defer userSvc.Delete(user.Name)
 	assert.NilError(t, err)
 	assert.Equal(t, user.Name, params.Name)
 
-	user, _, err = userSvc.Update(user.Name, &UpdateUserOptions{
+	_, _, err = userSvc.Update(user.Name, &UpdateUserOptions{
 		Password: "changed1234",
 	})
 	assert.NilError(t, err)
@@ -95,6 +98,7 @@ func TestUserService_Update_OwnPassword(t *testing.T) {
 	params := testUserParams("")
 	user, _, err := userSvc.Create(params)
 	assert.NilError(t, err)
+	// nolint:errcheck
 	defer userSvc.Delete(user.Name)
 
 	_, _, err = userSvc.Update(user.Name, &UpdateUserOptions{

cmd/vault-plugin-splunk/main.go

@@ -26,6 +26,7 @@ func main() {
 
 	// all plugins ignore Parse errors
 	// #nosec G104
+	// nolint:errcheck
 	flags.Parse(os.Args[1:])
 
 	printField := func(field, value string) {

conn.go

@@ -78,6 +78,7 @@ func (config *splunkConfig) store(ctx context.Context, s logical.Storage, name s
 			if err != nil {
 				// config was not stored => cancel cleanup
 				// #nosec G104
+				// nolint:errcheck
 				framework.DeleteWAL(ctx, s, walID)
 			}
 		}()

util.go

@@ -19,6 +19,7 @@ func getValue(data *framework.FieldData, op logical.Operation, key string) (inte
 	return nil, false
 }
 
+// nolint:deadcode,unused
 func decodeValue(data *framework.FieldData, op logical.Operation, key string, v interface{}) error {
 	raw, ok := getValue(data, op, key)
 	if ok {