CNS: adding testcase and library for volnameprefix

Change-Id: I84968bcfe19aa8af73f185be178079a8373915b3
Signed-off-by: Apeksha D Khakharia <akhakhar@redhat.com>

2 files changed, 51 insertions, 1 deletions

diff --git a/cns-libs/cnslibs/common/dynamic_provisioning.py b/cns-libs/cnslibs/common/dynamic_provisioning.py
index fea44b4b..7c1d0168 100644
--- a/cns-libs/cnslibs/common/dynamic_provisioning.py
+++ b/cns-libs/cnslibs/common/dynamic_provisioning.py
@@ -159,6 +159,7 @@ def create_storage_class_file(hostname, sc_name, resturl,
                restsecretnamespace:str
                 ex: restsecretnamespace:"storage-project"
                restsecretname:str ex: restsecretname:"heketi-secret"
+               volumenameprefix:str ex: "dept_qe"
      Returns:
          bool: True if successful,
                otherwise False
@@ -173,7 +174,7 @@ def create_storage_class_file(hostname, sc_name, resturl,
     for key in ('secretnamespace', 'restuser', 'secretname',
                 'restauthenabled', 'restsecretnamespace',
                 'restsecretname', 'hacount', 'clusterids',
-                'chapauthenabled'):
+                'chapauthenabled', 'volumenameprefix'):
         if kwargs.get(key):
             data['parameters'][key] = kwargs.get(key)
 
diff --git a/cns-libs/cnslibs/common/heketi_ops.py b/cns-libs/cnslibs/common/heketi_ops.py
index f2473d66..8e36d331 100644
--- a/cns-libs/cnslibs/common/heketi_ops.py
+++ b/cns-libs/cnslibs/common/heketi_ops.py
@@ -2154,3 +2154,52 @@ def heketi_blockvolume_list(heketi_client_node, heketi_server_url, mode='cli',
         except:
             g.log.error("Failed to do blockvolume list using heketi")
             return False
+
+
+def verify_volume_name_prefix(hostname, prefix, namespace, pvc_name,
+                              heketi_server_url, **kwargs):
+    '''
+     This function checks if heketi voluem is present with
+     volname prefix
+     Args:
+         hostname (str): hostname on which we want
+                         to check the heketi vol
+         prefix (str): volnameprefix given in storageclass
+         namespace (str): namespace
+         pvc_name (str): name of the pvc
+         heketi_server_url (str): Heketi server url
+
+     Kwargs:
+        mode (str): Mode in which heketi command will be executed.
+            It can be cli|url. Defaults to cli.
+        **kwargs
+            The keys, values in kwargs are:
+                - json : (bool)
+                - secret : (str)|None
+                - user : (str)|None
+
+     Returns:
+         bool: True if volume found,
+               Fasle otherwise.
+    '''
+    (heketi_server_url,
+     json_arg, admin_key, user) = _set_heketi_global_flags(heketi_server_url,
+                                                           **kwargs)
+
+    heketi_vol_name_prefix = "%s_%s_%s_" % (prefix, namespace,
+                                            pvc_name)
+    cmd = ("heketi-cli -s %s volume list %s %s %s | grep %s" % (
+               heketi_server_url, json_arg, admin_key, user,
+               heketi_vol_name_prefix))
+    ret, out, err = g.run(hostname, cmd, "root")
+    if ret != 0:
+        if not out:
+            g.log.error("no heketi volume with volnameprefix - %s" % (
+                            heketi_vol_name_prefix))
+        else:
+            g.log.error("failed to execute cmd %s" % cmd)
+        return False
+    output = out.strip()
+    g.log.info("heketi volume with volnameprefix present %s" % (
+                   output))
+    return True