Issue #3437760: Keycloak related user counting drush commands

drupalorg/drupalorg.drush.inc

@@ -156,6 +156,9 @@ function drupalorg_drush_command() {
     'drupalorg-keycloak-random-users-integrity' => [
       'description' => 'Integrity check migration of random users',
     ],
+    'drupalorg-keycloak-users-count' => [
+      'description' => 'Reports total users in drupal and keycloak',
+    ],
   ];
 }
 
@@ -1872,3 +1875,26 @@ function drush_drupalorg_keycloak_random_users_integrity() {
   }
   printf("Finished integrity check of (%d) users.\n", count($uids));
 }
+
+function drush_drupalorg_keycloak_users_count() {
+  printf("Starting user counting.\n");
+  $drupal_users_count = db_select('users')
+    ->countQuery()
+    ->execute()
+    ->fetchField();
+  $drupal_authmap_count = db_select('authmap')
+    ->countQuery()
+    ->execute()
+    ->fetchField();
+  $integration = new KeycloakIntegration();
+  $keycloak_users_count = $integration->countUsers();
+  if ($drupal_users_count == $keycloak_users_count && $drupal_users_count == $drupal_authmap_count) {
+    printf("Total user count matches: %d.\n", $drupal_users_count);
+  }
+  else {
+    printf("Total user counts does not match.\n");
+    printf("Drupal users: %d.\n", $drupal_users_count);
+    printf("Drupal authmap: %d.\n", $drupal_authmap_count);
+    printf("Keycloak users: %d.\n", $keycloak_users_count);
+  }
+}

drupalorg/includes/KeycloakIntegration.php

@@ -333,4 +333,13 @@ class KeycloakIntegration {
     return $success;
   }
 
+  public function countUsers() {
+    $this->authenticate();
+    $result = $this->invoke(sprintf('admin/realms/%s/users/count', $this->authOptions()['realm']), 'GET');
+    $success = \in_array($result->getStatusCode(), range(200, 299), TRUE);
+    if ($success) {
+      return (string) $result->getBody();
+    }
+    return NULL;
+  }
 }