Allow NotificationChannel import process to set project from the URI …

…(#9022) (#6327)

Signed-off-by: Modular Magician <[email protected]>

.changelog/9022.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+monitoring: fixed bug where importing `google_monitoring_notification_channel` failed when no default project was supplied in provider configuration or through environment variables
+```

google-beta/services/monitoring/resource_monitoring_notification_channel.go

@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"log"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/customdiff"
@@ -540,10 +541,21 @@ func resourceMonitoringNotificationChannelImport(d *schema.ResourceData, meta in
 	config := meta.(*transport_tpg.Config)
 
 	// current import_formats can't import fields with forward slashes in their value
-	if err := tpgresource.ParseImportId([]string{"(?P<project>[^ ]+) (?P<name>[^ ]+)", "(?P<name>[^ ]+)"}, d, config); err != nil {
+	if err := tpgresource.ParseImportId([]string{"(?P<name>.+)"}, d, config); err != nil {
 		return nil, err
 	}
 
+	stringParts := strings.Split(d.Get("name").(string), "/")
+	if len(stringParts) < 2 {
+		return nil, fmt.Errorf(
+			"Could not split project from name: %s",
+			d.Get("name"),
+		)
+	}
+
+	if err := d.Set("project", stringParts[1]); err != nil {
+		return nil, fmt.Errorf("Error setting project: %s", err)
+	}
 	return []*schema.ResourceData{d}, nil
 }