Release 4.13 cherry pick pr 7996: test if nb db successfully initiali…

…zes after nfs mount (#8295)

* test if nb db successfully initializes after nfs mount

Signed-off-by: Mahesh Shetty <[email protected]>
Co-authored-by: Mahesh Shetty <[email protected]>

conf/README.md

@@ -248,6 +248,9 @@ higher priority).
 * `ibm_flash` - Set to `true` if you are running on the system with IBM Flash storageSystem.
 * `ms_env_type` - to choose managed service environment type staging or production, default set to staging
 * `lvmo` - set to True if it's LVMO deployment - mainly used for reporting purpose.
+* `nb_nfs_server` - NFS server used for testing noobaa db NFS mount test
+* `nb_nfs_mount` - NFS mount point used specifically for testing noobaa db NFS mount test
+
 #### UPGRADE
 
 Upgrade related configuration data.

tests/manage/mcg/test_db_nfs_mount.py

@@ -0,0 +1,109 @@
+import pytest
+import logging
+
+from ocs_ci.framework import config
+from ocs_ci.utility import templating
+from ocs_ci.ocs import constants
+from ocs_ci.helpers import helpers
+from ocs_ci.ocs.resources.pod import (
+    wait_for_pods_to_be_running,
+)
+from ocs_ci.framework.pytest_customization.marks import (
+    tier2,
+    bugzilla,
+    polarion_id,
+    vsphere_platform_required,
+)
+from ocs_ci.ocs.ocp import OCP
+
+logger = logging.getLogger(__name__)
+
+
+class TestNoobaaDbNFSMount:
+    @pytest.fixture()
+    def mount_ngix_pod(self, request):
+        # try to mount the reesi004 nfs mount to nginx pod
+        nginx_pod_data = templating.load_yaml(constants.NGINX_POD_YAML)
+        nginx_pod_data["metadata"]["namespace"] = constants.OPENSHIFT_STORAGE_NAMESPACE
+        nginx_pod_data["spec"]["containers"][0]["volumeMounts"][0]["name"] = "nfs-vol"
+        nginx_pod_data["spec"]["containers"][0]["volumeMounts"][0][
+            "mountPath"
+        ] = "/var/nfs"
+        nginx_pod_data["spec"]["volumes"][0]["name"] = "nfs-vol"
+        nginx_pod_data["spec"]["volumes"][0]["nfs"] = dict()
+        nginx_pod_data["spec"]["volumes"][0]["nfs"]["server"] = config.ENV_DATA.get(
+            "nb_nfs_server"
+        )
+        nginx_pod_data["spec"]["volumes"][0]["nfs"]["path"] = config.ENV_DATA.get(
+            "nb_nfs_mount"
+        )
+        nginx_pod_data["spec"]["volumes"][0].pop("persistentVolumeClaim")
+        nginx_pod = helpers.create_resource(**nginx_pod_data)
+
+        helpers.wait_for_resource_state(
+            nginx_pod,
+            constants.STATUS_RUNNING,
+        )
+        logger.info(f"Pod {nginx_pod.name} is created and running")
+
+        def finalizer():
+            nginx_pod.delete()
+            logger.info(f"Deleted the nginx pod {nginx_pod.name}")
+
+        request.addfinalizer(finalizer)
+
+    @pytest.fixture()
+    def mount_noobaa_db_pod(self, request):
+
+        # scale down noobaa db stateful set
+        helpers.modify_statefulset_replica_count(
+            constants.NOOBAA_DB_STATEFULSET, replica_count=0
+        )
+        logger.info("Scaled down noobaa db sts")
+
+        # patch the noobaa db stateful set to mount nfs
+        ocp_obj = OCP(
+            kind=constants.STATEFULSET,
+            resource_name=constants.NOOBAA_DB_STATEFULSET,
+            namespace=config.ENV_DATA["cluster_namespace"],
+        )
+        params = (
+            '{"spec": {"template": {"spec": {"containers": [{"name": "db", "volumeMounts": '
+            '[{"mountPath": "/var/nfs", "name": "nfs-vol"}]}], "volumes":[{"name": "nfs-vol", '
+            f'"nfs": {{"server": "{config.ENV_DATA.get("nb_nfs_server")}", '
+            f'"path": "{config.ENV_DATA.get("nb_nfs_mount")}"}}}}]}}}}}}}}'
+        )
+        ocp_obj.patch(params=params, format_type="strategic")
+        logger.info("Patched noobaa sts to mount nfs")
+
+        # scale up the noobaa db stateful set
+        helpers.modify_statefulset_replica_count(
+            constants.NOOBAA_DB_STATEFULSET, replica_count=1
+        )
+        logger.info("Scaled up the noobaa sts")
+
+        def finalizer():
+            params = (
+                '[{"op": "remove", "path": "/spec/template/spec/containers/0/volumeMounts/0"},'
+                '{"op": "remove", "path": "/spec/template/spec/volumes/0"}]'
+            )
+            ocp_obj.patch(params=params, format_type="json")
+            logger.info("Patched noobaa-db-pod back to the default")
+            assert wait_for_pods_to_be_running(
+                pod_names=["noobaa-db-pg-0"]
+            ), "Noobaa db pod didnt came up running"
+
+        request.addfinalizer(finalizer)
+
+    @tier2
+    @vsphere_platform_required
+    @bugzilla("2115616")
+    @polarion_id("OCS-4950")
+    def test_db_nfs_mount(self, mount_ngix_pod, mount_noobaa_db_pod):
+        """
+        This test verifies noobaa db pod mounts nfs share successfully
+        """
+        assert wait_for_pods_to_be_running(
+            pod_names=["noobaa-db-pg-0"]
+        ), "Noobaa db pod didnt came up running, maybe nfs mount failed"
+        logger.info("No issues with mounting nfs to noobaa db pod")