chore: upgrade spanner samples to new client surface (#1952)

Author: bshaffer

spanner/composer.json

@@ -1,5 +1,5 @@
 {
     "require": {
-        "google/cloud-spanner": "^1.62.1"
+        "google/cloud-spanner": "^1.68"
     }
 }

spanner/src/enable_fine_grained_access.php

@@ -24,9 +24,11 @@
 namespace Google\Cloud\Samples\Spanner;
 
 // [START spanner_enable_fine_grained_access]
-use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
 use \Google\Cloud\Iam\V1\Binding;
 use \Google\Type\Expr;
+use Google\Cloud\Iam\V1\GetIamPolicyRequest;
+use Google\Cloud\Iam\V1\SetIamPolicyRequest;
+use Google\Cloud\Spanner\Admin\Database\V1\Client\DatabaseAdminClient;
 
 /**
  * Enable Fine Grained Access.
@@ -54,7 +56,9 @@ function enable_fine_grained_access(
 ): void {
     $adminClient = new DatabaseAdminClient();
     $resource = sprintf('projects/%s/instances/%s/databases/%s', $projectId, $instanceId, $databaseId);
-    $policy = $adminClient->getIamPolicy($resource);
+    $getIamPolicyRequest = (new GetIamPolicyRequest())
+        ->setResource($resource);
+    $policy = $adminClient->getIamPolicy($getIamPolicyRequest);
 
     // IAM conditions need at least version 3
     if ($policy->getVersion() != 3) {
@@ -70,7 +74,10 @@ function enable_fine_grained_access(
         ])
     ]);
     $policy->setBindings([$binding]);
-    $adminClient->setIamPolicy($resource, $policy);
+    $setIamPolicyRequest = (new SetIamPolicyRequest())
+        ->setResource($resource)
+        ->setPolicy($policy);
+    $adminClient->setIamPolicy($setIamPolicyRequest);
 
     printf('Enabled fine-grained access in IAM' . PHP_EOL);
 }

spanner/src/list_database_roles.php

@@ -24,7 +24,8 @@
 namespace Google\Cloud\Samples\Spanner;
 
 // [START spanner_list_database_roles]
-use Google\Cloud\Spanner\Admin\Database\V1\DatabaseAdminClient;
+use Google\Cloud\Spanner\Admin\Database\V1\Client\DatabaseAdminClient;
+use Google\Cloud\Spanner\Admin\Database\V1\ListDatabaseRolesRequest;
 
 /**
  * List Database roles in the given database.
@@ -44,8 +45,10 @@ function list_database_roles(
 ): void {
     $adminClient = new DatabaseAdminClient();
     $resource = sprintf('projects/%s/instances/%s/databases/%s', $projectId, $instanceId, $databaseId);
+    $listDatabaseRolesRequest = (new ListDatabaseRolesRequest())
+        ->setParent($resource);
 
-    $roles = $adminClient->listDatabaseRoles($resource);
+    $roles = $adminClient->listDatabaseRoles($listDatabaseRolesRequest);
     printf('List of Database roles:' . PHP_EOL);
     foreach ($roles as $role) {
         printf($role->getName() . PHP_EOL);