Add ability to enable static credentials mode in tempest

For some test cases (Barbican, Ldap) we need to have an ability
to set tempest to work with static credentials.

Change-Id: If93445cc27b087d4f3a1a0dbb456b3c7acef0923
Related-Prod: https://mirantis.jira.com/browse/PROD-18731
diff --git a/metadata/service/tempest/test_accounts.yml b/metadata/service/tempest/test_accounts.yml
new file mode 100644
index 0000000..db80c3c
--- /dev/null
+++ b/metadata/service/tempest/test_accounts.yml
@@ -0,0 +1,23 @@
+parameters:
+  _param:
+    runtest_tempest_test_accounts_cfg_path: ${_param:runtest_tempest_cfg_dir}/accounts.yaml
+    runtest_tempest_test_accounts_enabled: True
+    runtest_tempest_test_accounts_admin_access_enabled: False
+    runtest_tempest_test_accounts_prefix: Tempest_Test
+    runtest_tempest_concurrency: 2
+    runtest_tempest_use_dynamic_credentials: False
+    runtest_tempest_test_accounts_file: /root/tempest/accounts.yaml
+    runtest_tempest_test_accounts_roles:
+      - Member
+  runtest:
+    tempest:
+      concurrency: ${_param:runtest_tempest_concurrency}
+      auth:
+        create_isolated_networks: false
+        test_accounts_file: ${_param:runtest_tempest_test_accounts_file}
+      test_accounts:
+        enabled: ${_param:runtest_tempest_test_accounts_enabled}
+        cfg_path: ${_param:runtest_tempest_test_accounts_cfg_path}
+        admin_access_enabled: ${_param:runtest_tempest_test_accounts_admin_access_enabled}
+        prefix: ${_param:runtest_tempest_test_accounts_prefix}
+        roles: ${_param:runtest_tempest_test_accounts_roles}