1 files changed, 99 insertions, 0 deletions
diff --git a/tempest_lib/common/utils/data_utils.py b/tempest_lib/common/utils/data_utils.py
new file mode 100644
index 0000000..eec2474
--- /dev/null
+++ b/tempest_lib/common/utils/data_utils.py
@@ -0,0 +1,99 @@
+# Copyright 2012 OpenStack Foundation
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import itertools
+import netaddr
+import random
+import uuid
+
+
+def rand_uuid():
+    return str(uuid.uuid4())
+
+
+def rand_uuid_hex():
+    return uuid.uuid4().hex
+
+
+def rand_name(name=''):
+    randbits = str(random.randint(1, 0x7fffffff))
+    if name:
+        return name + '-' + randbits
+    else:
+        return randbits
+
+
+def rand_url():
+    randbits = str(random.randint(1, 0x7fffffff))
+    return 'https://url-' + randbits + '.com'
+
+
+def rand_int_id(start=0, end=0x7fffffff):
+    return random.randint(start, end)
+
+
+def rand_mac_address():
+    """Generate an Ethernet MAC address."""
+    # NOTE(vish): We would prefer to use 0xfe here to ensure that linux
+    #             bridge mac addresses don't change, but it appears to
+    #             conflict with libvirt, so we use the next highest octet
+    #             that has the unicast and locally administered bits set
+    #             properly: 0xfa.
+    #             Discussion: https://bugs.launchpad.net/nova/+bug/921838
+    mac = [0xfa, 0x16, 0x3e,
+           random.randint(0x00, 0xff),
+           random.randint(0x00, 0xff),
+           random.randint(0x00, 0xff)]
+    return ':'.join(["%02x" % x for x in mac])
+
+
+def parse_image_id(image_ref):
+    """Return the image id from a given image ref."""
+    return image_ref.rsplit('/')[-1]
+
+
+def arbitrary_string(size=4, base_text=None):
+    """Return size characters from base_text
+
+    Repeating the base_text infinitely if needed.
+    """
+    if not base_text:
+        base_text = 'test'
+    return ''.join(itertools.islice(itertools.cycle(base_text), size))
+
+
+def random_bytes(size=1024):
+    """Return size randomly selected bytes as a string."""
+    return ''.join([chr(random.randint(0, 255))
+                    for i in range(size)])
+
+
+def get_ipv6_addr_by_EUI64(cidr, mac):
+    # Check if the prefix is IPv4 address
+    is_ipv4 = netaddr.valid_ipv4(cidr)
+    if is_ipv4:
+        msg = "Unable to generate IP address by EUI64 for IPv4 prefix"
+        raise TypeError(msg)
+    try:
+        eui64 = int(netaddr.EUI(mac).eui64())
+        prefix = netaddr.IPNetwork(cidr)
+        return netaddr.IPAddress(prefix.first + eui64 ^ (1 << 57))
+    except (ValueError, netaddr.AddrFormatError):
+        raise TypeError('Bad prefix or mac format for generating IPv6 '
+                        'address by EUI-64: %(prefix)s, %(mac)s:'
+                        % {'prefix': cidr, 'mac': mac})
+    except TypeError:
+        raise TypeError('Bad prefix type for generate IPv6 address by '
+                        'EUI-64: %s' % cidr)