fix datastream private connection sweeper (GoogleCloudPlatform#10201)

* fix datastream private connection sweeper

* update

* run gofmt

mmv1/products/datastream/PrivateConnection.yaml

@@ -25,6 +25,8 @@ description: |
 immutable: true
 schema_version: 1
 state_upgraders: true
+# Skipping the sweeper since the resource needs force-deletion
+skip_sweeper: true
 id_format: projects/{{project}}/locations/{{location}}/privateConnections/{{private_connection_id}}
 import_format:
   [

mmv1/third_party/terraform/services/datastream/resource_datastream_private_connection_sweeper.go

@@ -0,0 +1,126 @@
+package datastream
+
+import (
+	"context"
+	"log"
+	"strings"
+	"testing"
+
+	"github.com/hashicorp/terraform-provider-google/google/envvar"
+	"github.com/hashicorp/terraform-provider-google/google/sweeper"
+	"github.com/hashicorp/terraform-provider-google/google/tpgresource"
+	transport_tpg "github.com/hashicorp/terraform-provider-google/google/transport"
+)
+
+func init() {
+	sweeper.AddTestSweepers("DatastreamPrivateConnection", testSweepDatastreamPrivateConnection)
+}
+
+// At the time of writing, the CI only passes us-central1 as the region
+func testSweepDatastreamPrivateConnection(region string) error {
+	resourceName := "DatastreamPrivateConnection"
+	log.Printf("[INFO][SWEEPER_LOG] Starting sweeper for %s", resourceName)
+
+	config, err := sweeper.SharedConfigForRegion(region)
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] error getting shared config for region: %s", err)
+		return err
+	}
+
+	err = config.LoadAndValidate(context.Background())
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] error loading: %s", err)
+		return err
+	}
+
+	t := &testing.T{}
+	billingId := envvar.GetTestBillingAccountFromEnv(t)
+
+	// Setup variables to replace in list template
+	d := &tpgresource.ResourceDataMock{
+		FieldsInSchema: map[string]interface{}{
+			"project":         config.Project,
+			"region":          region,
+			"location":        region,
+			"zone":            "-",
+			"billing_account": billingId,
+		},
+	}
+
+	listTemplate := strings.Split("https://datastream.googleapis.com/v1/projects/{{project}}/locations/{{location}}/privateConnections", "?")[0]
+	listUrl, err := tpgresource.ReplaceVars(d, config, listTemplate)
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] error preparing sweeper list url: %s", err)
+		return nil
+	}
+
+	res, err := transport_tpg.SendRequest(transport_tpg.SendRequestOptions{
+		Config:    config,
+		Method:    "GET",
+		Project:   config.Project,
+		RawURL:    listUrl,
+		UserAgent: config.UserAgent,
+	})
+	if err != nil {
+		log.Printf("[INFO][SWEEPER_LOG] Error in response from request %s: %s", listUrl, err)
+		return nil
+	}
+
+	resourceList, ok := res["privateConnections"]
+	if !ok {
+		log.Printf("[INFO][SWEEPER_LOG] Nothing found in response.")
+		return nil
+	}
+
+	rl := resourceList.([]interface{})
+
+	log.Printf("[INFO][SWEEPER_LOG] Found %d items in %s list response.", len(rl), resourceName)
+	// Keep count of items that aren't sweepable for logging.
+	nonPrefixCount := 0
+	for _, ri := range rl {
+		obj := ri.(map[string]interface{})
+		var name string
+		// Id detected in the delete URL, attempt to use id.
+		if obj["id"] != nil {
+			name = tpgresource.GetResourceNameFromSelfLink(obj["id"].(string))
+		} else if obj["name"] != nil {
+			name = tpgresource.GetResourceNameFromSelfLink(obj["name"].(string))
+		} else {
+			log.Printf("[INFO][SWEEPER_LOG] %s resource name and id were nil", resourceName)
+			return nil
+		}
+		// Skip resources that shouldn't be sweeped
+		if !sweeper.IsSweepableTestResource(name) {
+			nonPrefixCount++
+			continue
+		}
+
+		deleteTemplate := "https://datastream.googleapis.com/v1/projects/{{project}}/locations/{{location}}/privateConnections/{{private_connection_id}}"
+		deleteUrl, err := tpgresource.ReplaceVars(d, config, deleteTemplate)
+		if err != nil {
+			log.Printf("[INFO][SWEEPER_LOG] error preparing delete url: %s", err)
+			return nil
+		}
+		deleteUrl = deleteUrl + name + "?force=true"
+
+		// Don't wait on operations as we may have a lot to delete
+		_, err = transport_tpg.SendRequest(transport_tpg.SendRequestOptions{
+			Config:    config,
+			Method:    "DELETE",
+			Project:   config.Project,
+			RawURL:    deleteUrl,
+			UserAgent: config.UserAgent,
+		})
+		if err != nil {
+			log.Printf("[INFO][SWEEPER_LOG] Error deleting for url %s : %s", deleteUrl, err)
+		} else {
+			log.Printf("[INFO][SWEEPER_LOG] Sent delete request for %s resource: %s", resourceName, name)
+		}
+	}
+
+	if nonPrefixCount > 0 {
+		log.Printf("[INFO][SWEEPER_LOG] %d items were non-sweepable and skipped.", nonPrefixCount)
+	}
+
+	return nil
+}