Fixes CPU pinning policy when overriding VNFD EPA

[osm/osmclient.git] / osmclient / common / utils.py

diff --git a/osmclient/common/utils.py b/osmclient/common/utils.py
index 8e78459..6d5ebd8 100644 (file)
--- a/osmclient/common/utils.py
+++ b/osmclient/common/utils.py
@@ -15,18 +15,64 @@
 #    under the License.
 
 import time
+from uuid import UUID
+import hashlib
+import tarfile
+import re
+import yaml
 
 
-def wait_for_value(func, result=True, wait_time=10, catch_exception = None ):
+def wait_for_value(func, result=True, wait_time=10, catch_exception=None):
     maxtime = time.time() + wait_time
     while time.time() < maxtime:
         try:
             if func() == result:
-                return True 
-        except catch_exception as inst:
+                return True
+        except catch_exception:
             pass
-        time.sleep(1)
+        time.sleep(5)
     try:
         return func() == result
-    except catch_exception as inst:
+    except catch_exception:
         return False
+
+
+def validate_uuid4(uuid_text):
+    try:
+        UUID(uuid_text)
+        return True
+    except (ValueError, TypeError):
+        return False
+
+
+def md5(fname):
+    hash_md5 = hashlib.md5()
+    with open(fname, "rb") as f:
+        for chunk in iter(lambda: f.read(4096), b""):
+            hash_md5.update(chunk)
+    return hash_md5.hexdigest()
+
+
+def get_key_val_from_pkg(descriptor_file):
+    # method opens up a package and finds the name of the resulting
+    # descriptor (vnfd or nsd name)
+    tar = tarfile.open(descriptor_file)
+    yamlfile = None
+    for member in tar.getmembers():
+        if (re.match('.*.yaml', member.name) and
+                len(member.name.split('/')) == 2):
+            yamlfile = member.name
+            break
+    if yamlfile is None:
+        return None
+
+    dict = yaml.safe_load(tar.extractfile(yamlfile))
+    result = {}
+    for k in dict:
+        if 'nsd' in k:
+            result['type'] = 'nsd'
+        else:
+            result['type'] = 'vnfd'
+
+    tar.close()
+    return result