Allow using in repo configuration for cloudbuild trigger

google/resource_cloudbuild_build_trigger.go

@@ -36,6 +36,12 @@ func resourceCloudBuildTrigger() *schema.Resource {
 				Computed: true,
 				ForceNew: true,
 			},
+			"filename": &schema.Schema{
+				Type:          schema.TypeString,
+				Optional:      true,
+				ForceNew:      true,
+				ConflictsWith: []string{"build"},
+			},
 			"build": {
 				Type:        schema.TypeList,
 				Description: "Contents of the build template.",
@@ -142,7 +148,12 @@ func resourceCloudbuildBuildTriggerCreate(d *schema.ResourceData, meta interface
 		buildTrigger.Description = v.(string)
 	}
 
-	buildTrigger.Build = expandCloudbuildBuildTriggerBuild(d)
+	if v, ok := d.GetOk("filename"); ok {
+		buildTrigger.Filename = v.(string)
+	} else {
+		buildTrigger.Build = expandCloudbuildBuildTriggerBuild(d)
+	}
+
 	buildTrigger.TriggerTemplate = expandCloudbuildBuildTriggerTemplate(d, project)
 
 	tstr, err := json.Marshal(buildTrigger)
@@ -179,7 +190,10 @@ func resourceCloudbuildBuildTriggerRead(d *schema.ResourceData, meta interface{}
 	if buildTrigger.TriggerTemplate != nil {
 		d.Set("trigger_template", flattenCloudbuildBuildTriggerTemplate(d, config, buildTrigger.TriggerTemplate))
 	}
-	if buildTrigger.Build != nil {
+
+	if buildTrigger.Filename != "" {
+		d.Set("filename", buildTrigger.Filename)
+	} else if buildTrigger.Build != nil {
 		d.Set("build", flattenCloudbuildBuildTriggerBuild(d, config, buildTrigger.Build))
 	}
 

google/resource_cloudbuild_build_trigger_test.go

@@ -7,6 +7,7 @@ import (
 	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
+	cloudbuild "google.golang.org/api/cloudbuild/v1"
 )
 
 func TestAccCloudBuildTrigger_basic(t *testing.T) {
@@ -37,24 +38,80 @@ func TestAccCloudBuildTrigger_basic(t *testing.T) {
 	})
 }
 
+func TestAccCloudBuildTrigger_filename(t *testing.T) {
+	t.Parallel()
+
+	projectID := "terraform-" + acctest.RandString(10)
+	projectOrg := getTestOrgFromEnv(t)
+	projectBillingAccount := getTestBillingAccountFromEnv(t)
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckGoogleCloudBuildTriggerVersionsDestroyed,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testGoogleCloudBuildTrigger_filename(projectID, projectOrg, projectBillingAccount),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckGoogleCloudFilenameConfig("google_cloudbuild_trigger.filename_build_trigger"),
+				),
+			},
+			resource.TestStep{
+				Config: testGoogleCloudBuildTrigger_removed(projectID, projectOrg, projectBillingAccount),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckGoogleCloudBuildTriggerWasRemovedFromState("google_cloudbuild_trigger.filename_build_trigger"),
+				),
+			},
+		},
+	})
+
+}
+
+func testAccGetBuildTrigger(s *terraform.State, resourceName string) (*cloudbuild.BuildTrigger, error) {
+	rs, ok := s.RootModule().Resources[resourceName]
+	if !ok {
+		return nil, fmt.Errorf("Resource not found: %s", resourceName)
+	}
+
+	if rs.Primary.ID == "" {
+		return nil, fmt.Errorf("No ID is set")
+	}
+
+	config := testAccProvider.Meta().(*Config)
+	project := rs.Primary.Attributes["project"]
+
+	trigger, err := config.clientBuild.Projects.Triggers.Get(project, rs.Primary.ID).Do()
+	if err != nil {
+		return nil, fmt.Errorf("Trigger does not exist")
+	}
+
+	return trigger, nil
+}
+
 func testAccCheckGoogleCloudBuildTriggerExists(resourceName string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
+		_, err := testAccGetBuildTrigger(s, resourceName)
 
-		rs, ok := s.RootModule().Resources[resourceName]
-		if !ok {
-			return fmt.Errorf("Resource not found: %s", resourceName)
+		if err != nil {
+			return fmt.Errorf("Trigger does not exist")
 		}
 
-		if rs.Primary.ID == "" {
-			return fmt.Errorf("No ID is set")
-		}
-		config := testAccProvider.Meta().(*Config)
-		project := rs.Primary.Attributes["project"]
+		return nil
+	}
+}
+
+func testAccCheckGoogleCloudFilenameConfig(resourceName string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		trigger, err := testAccGetBuildTrigger(s, resourceName)
 
-		_, err := config.clientBuild.Projects.Triggers.Get(project, rs.Primary.ID).Do()
 		if err != nil {
 			return fmt.Errorf("Trigger does not exist")
 		}
+
+		if trigger.Filename != "cloudbuild.yaml" {
+			return fmt.Errorf("Config filename mismatch: %s", trigger.Filename)
+		}
+
 		return nil
 	}
 }
@@ -147,6 +204,40 @@ resource "google_cloudbuild_trigger" "build_trigger" {
   `, projectID, projectID, projectOrg, projectBillingAccount)
 }
 
+func testGoogleCloudBuildTrigger_filename(projectID, projectOrg, projectBillingAccount string) string {
+	return fmt.Sprintf(`
+resource "google_project" "acceptance" {
+  name            = "%s"
+  project_id      = "%s"
+  org_id          = "%s"
+  billing_account = "%s"
+}
+
+resource "google_project_services" "acceptance" {
+  project = "${google_project.acceptance.project_id}"
+
+  services = [
+    "cloudbuild.googleapis.com",
+    "containerregistry.googleapis.com",
+    "logging.googleapis.com",
+    "pubsub.googleapis.com",
+    "storage-api.googleapis.com",
+  ]
+}
+
+resource "google_cloudbuild_trigger" "filename_build_trigger" {
+  project  = "${google_project_services.acceptance.project}"
+  description = "acceptance test build trigger"
+  trigger_template {
+    branch_name = "master"
+    project     = "${google_project_services.acceptance.project}"
+    repo_name   = "some-repo"
+  }
+  filename = "cloudbuild.yaml"
+}
+  `, projectID, projectID, projectOrg, projectBillingAccount)
+}
+
 func testGoogleCloudBuildTrigger_removed(projectID, projectOrg, projectBillingAccount string) string {
 	return fmt.Sprintf(`
 resource "google_project" "acceptance" {

website/docs/r/cloudbuild_trigger.html.markdown

@@ -33,6 +33,21 @@ resource "google_cloudbuild_trigger" "build_trigger" {
 }
 ```
 
+OR
+
+```hcl
+resource "google_cloudbuild_trigger" "build_trigger" {
+  project  = "my-project"
+  trigger_template {
+    branch_name = "master"
+    project     = "my-project"
+    repo_name   = "some-repo"
+  }
+  filename = "cloudbuild.yaml"
+}
+```
+
+
 ## Argument Reference
 
 (Argument descriptions sourced from https://godoc.org/google.golang.org/api/cloudbuild/v1#BuildTrigger)
@@ -59,6 +74,10 @@ will be expanded when the build is created:
     or resolved from the specified branch or tag.
   * `$SHORT_SHA`: first 7 characters of `$REVISION_ID` or `$COMMIT_SHA`.
 
+* `filename` - (Optional) Specify the path to a Cloud Build configuration file
+in the Git repo. This is mutually exclusive with `build`. This is typically
+`cloudbuild.yaml` however it can be specified by the user.
+
 ---
 
 The `trigger_template` block supports: