Added Ceph health test

Change-Id: If2f318169e841cdd278c76c237f040b09d7b87ea
diff --git a/cvp_checks/tests/ceph/test_ceph_status.py b/cvp_checks/tests/ceph/test_ceph_status.py
new file mode 100644
index 0000000..ffd7bed
--- /dev/null
+++ b/cvp_checks/tests/ceph/test_ceph_status.py
@@ -0,0 +1,39 @@
+import json
+
+import pytest
+
+
+def test_ceph_osd(local_salt_client):
+    osd_fail = local_salt_client.cmd(
+        'ceph:osd',
+        'cmd.run',
+        ['ceph osd tree | grep down'],
+        expr_form='pillar')
+    if not osd_fail:
+        pytest.skip("Ceph is not found on this environment")
+    assert not osd_fail.values()[0], \
+        "Some osds are in down state or ceph is not found".format(
+        osd_fail.values()[0])
+
+
+def test_ceph_health(local_salt_client):
+    get_status = local_salt_client.cmd(
+        'ceph:mon',
+        'cmd.run',
+        ['ceph -s -f json'],
+        expr_form='pillar')
+    if not get_status:
+        pytest.skip("Ceph is not found on this environment")
+    status = json.loads(get_status.values()[0])["health"]
+    health = status["status"] if 'status' in status \
+        else status["overall_status"]
+
+    # Health structure depends on Ceph version, so condition is needed:
+    if 'checks' in status:
+        summary = "Summary: {}".format(
+            [i["summary"]["message"] for i in status["checks"].values()])
+    else:
+        summary = status["summary"]
+
+    assert health == "HEALTH_OK",\
+        "Ceph status is not expected. {}".format(summary)