392 lines
13 KiB
Python
392 lines
13 KiB
Python
from __future__ import unicode_literals
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import random
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import re
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import six
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EC2_RESOURCE_TO_PREFIX = {
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'customer-gateway': 'cgw',
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'dhcp-options': 'dopt',
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'image': 'ami',
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'instance': 'i',
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'internet-gateway': 'igw',
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'network-acl': 'acl',
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'network-interface': 'eni',
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'network-interface-attachment': 'eni-attach',
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'reserved-instance': 'uuid4',
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'route-table': 'rtb',
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'route-table-association': 'rtbassoc',
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'security-group': 'sg',
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'snapshot': 'snap',
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'spot-instance-request': 'sir',
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'subnet': 'subnet',
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'reservation': 'r',
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'volume': 'vol',
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'vpc': 'vpc',
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'vpc-elastic-ip': 'eipalloc',
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'vpc-elastic-ip-association': 'eipassoc',
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'vpc-peering-connection': 'pcx',
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'vpn-connection': 'vpn',
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'vpn-gateway': 'vgw'}
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EC2_PREFIX_TO_RESOURCE = dict((v, k) for (k, v) in EC2_RESOURCE_TO_PREFIX.items())
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def random_id(prefix=''):
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size = 8
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chars = list(range(10)) + ['a', 'b', 'c', 'd', 'e', 'f']
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resource_id = ''.join(six.text_type(random.choice(chars)) for x in range(size))
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return '{0}-{1}'.format(prefix, resource_id)
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def random_ami_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['image'])
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def random_instance_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['instance'])
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def random_reservation_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['reservation'])
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def random_security_group_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['security-group'])
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def random_snapshot_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['snapshot'])
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def random_spot_request_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['spot-instance-request'])
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def random_subnet_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['subnet'])
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def random_subnet_association_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['route-table-association'])
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def random_volume_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['volume'])
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def random_vpc_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['vpc'])
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def random_vpc_peering_connection_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['vpc-peering-connection'])
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def random_eip_association_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['vpc-elastic-ip-association'])
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def random_internet_gateway_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['internet-gateway'])
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def random_route_table_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['route-table'])
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def random_eip_allocation_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['vpc-elastic-ip'])
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def random_dhcp_option_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['dhcp-options'])
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def random_eni_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['network-interface'])
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def random_eni_attach_id():
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return random_id(prefix=EC2_RESOURCE_TO_PREFIX['network-interface-attachment'])
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def random_public_ip():
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return '54.214.{0}.{1}'.format(random.choice(range(255)),
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random.choice(range(255)))
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def random_ip():
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return "127.{0}.{1}.{2}".format(
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random.randint(0, 255),
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random.randint(0, 255),
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random.randint(0, 255)
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)
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def generate_route_id(route_table_id, cidr_block):
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return "%s~%s" % (route_table_id, cidr_block)
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def split_route_id(route_id):
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values = string.split(route_id, '~')
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return values[0], values[1]
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def instance_ids_from_querystring(querystring_dict):
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instance_ids = []
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for key, value in querystring_dict.items():
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if 'InstanceId' in key:
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instance_ids.append(value[0])
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return instance_ids
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def image_ids_from_querystring(querystring_dict):
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image_ids = []
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for key, value in querystring_dict.items():
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if 'ImageId' in key:
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image_ids.append(value[0])
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return image_ids
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def route_table_ids_from_querystring(querystring_dict):
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route_table_ids = []
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for key, value in querystring_dict.items():
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if 'RouteTableId' in key:
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route_table_ids.append(value[0])
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return route_table_ids
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def vpc_ids_from_querystring(querystring_dict):
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vpc_ids = []
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for key, value in querystring_dict.items():
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if 'VpcId' in key:
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vpc_ids.append(value[0])
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return vpc_ids
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def sequence_from_querystring(parameter, querystring_dict):
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parameter_values = []
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for key, value in querystring_dict.items():
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if parameter in key:
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parameter_values.append(value[0])
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return parameter_values
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def tags_from_query_string(querystring_dict):
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prefix = 'Tag'
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suffix = 'Key'
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response_values = {}
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for key, value in querystring_dict.items():
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if key.startswith(prefix) and key.endswith(suffix):
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tag_index = key.replace(prefix + ".", "").replace("." + suffix, "")
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tag_key = querystring_dict.get("Tag.{0}.Key".format(tag_index))[0]
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tag_value_key = "Tag.{0}.Value".format(tag_index)
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if tag_value_key in querystring_dict:
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response_values[tag_key] = querystring_dict.get(tag_value_key)[0]
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else:
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response_values[tag_key] = None
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return response_values
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def dhcp_configuration_from_querystring(querystring, option=u'DhcpConfiguration'):
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"""
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turn:
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{u'AWSAccessKeyId': [u'the_key'],
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u'Action': [u'CreateDhcpOptions'],
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u'DhcpConfiguration.1.Key': [u'domain-name'],
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u'DhcpConfiguration.1.Value.1': [u'example.com'],
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u'DhcpConfiguration.2.Key': [u'domain-name-servers'],
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u'DhcpConfiguration.2.Value.1': [u'10.0.0.6'],
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u'DhcpConfiguration.2.Value.2': [u'10.0.0.7'],
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u'Signature': [u'uUMHYOoLM6r+sT4fhYjdNT6MHw22Wj1mafUpe0P0bY4='],
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u'SignatureMethod': [u'HmacSHA256'],
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u'SignatureVersion': [u'2'],
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u'Timestamp': [u'2014-03-18T21:54:01Z'],
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u'Version': [u'2013-10-15']}
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into:
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{u'domain-name': [u'example.com'], u'domain-name-servers': [u'10.0.0.6', u'10.0.0.7']}
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"""
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key_needle = re.compile(u'{0}.[0-9]+.Key'.format(option), re.UNICODE)
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response_values = {}
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for key, value in querystring.items():
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if key_needle.match(key):
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values = []
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key_index = key.split(".")[1]
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value_index = 1
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while True:
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value_key = u'{0}.{1}.Value.{2}'.format(option, key_index, value_index)
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if value_key in querystring:
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values.extend(querystring[value_key])
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else:
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break
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value_index += 1
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response_values[value[0]] = values
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return response_values
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def optional_from_querystring(parameter, querystring):
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parameter_array = querystring.get(parameter)
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return parameter_array[0] if parameter_array else None
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def filters_from_querystring(querystring_dict):
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response_values = {}
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for key, value in querystring_dict.items():
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match = re.search(r"Filter.(\d).Name", key)
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if match:
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filter_index = match.groups()[0]
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value_prefix = "Filter.{0}.Value".format(filter_index)
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filter_values = [filter_value[0] for filter_key, filter_value in querystring_dict.items() if
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filter_key.startswith(value_prefix)]
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response_values[value[0]] = filter_values
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return response_values
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def dict_from_querystring(parameter, querystring_dict):
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use_dict = {}
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for key, value in querystring_dict.items():
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match = re.search(r"{0}.(\d).(\w+)".format(parameter), key)
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if match:
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use_dict_index = match.groups()[0]
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use_dict_element_property = match.groups()[1]
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if not use_dict.get(use_dict_index):
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use_dict[use_dict_index] = {}
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use_dict[use_dict_index][use_dict_element_property] = value[0]
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return use_dict
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def keypair_names_from_querystring(querystring_dict):
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keypair_names = []
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for key, value in querystring_dict.items():
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if 'KeyName' in key:
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keypair_names.append(value[0])
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return keypair_names
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filter_dict_attribute_mapping = {
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'instance-state-name': 'state',
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'instance-id': 'id'
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}
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def passes_filter_dict(instance, filter_dict):
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for filter_name, filter_values in filter_dict.items():
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if filter_name in filter_dict_attribute_mapping:
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instance_attr = filter_dict_attribute_mapping[filter_name]
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instance_value = getattr(instance, instance_attr)
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if instance_value not in filter_values:
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return False
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elif filter_name.startswith('tag:'):
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tags = dict((tag['key'], tag['value']) for tag in instance.get_tags())
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tag_name = filter_name.replace('tag:', '', 1)
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tag_value = tags.get(tag_name)
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if tag_value not in filter_values:
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return False
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else:
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raise NotImplementedError(
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"Filter dicts have not been implemented in Moto for '%s' yet. Feel free to open an issue at https://github.com/spulec/moto/issues",
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filter_name)
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return True
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def filter_reservations(reservations, filter_dict):
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result = []
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for reservation in reservations:
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new_instances = []
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for instance in reservation.instances:
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if passes_filter_dict(instance, filter_dict):
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new_instances.append(instance)
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if new_instances:
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reservation.instances = new_instances
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result.append(reservation)
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return result
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def is_filter_matching(obj, filter, filter_value):
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value = obj.get_filter_value(filter)
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if isinstance(value, six.string_types):
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return value in filter_value
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try:
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value = set(value)
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return (value and value.issubset(filter_value)) or value.issuperset(filter_value)
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except TypeError:
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return value in filter_value
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def generic_filter(filters, objects):
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if filters:
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for (_filter, _filter_value) in filters.items():
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objects = [obj for obj in objects if is_filter_matching(obj, _filter, _filter_value)]
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return objects
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def simple_aws_filter_to_re(filter_string):
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import fnmatch
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tmp_filter = filter_string.replace('\?','[?]')
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tmp_filter = tmp_filter.replace('\*','[*]')
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tmp_filter = fnmatch.translate(tmp_filter)
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return tmp_filter
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# not really random ( http://xkcd.com/221/ )
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def random_key_pair():
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return {
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'fingerprint': ('1f:51:ae:28:bf:89:e9:d8:1f:25:5d:37:2d:'
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'7d:b8:ca:9f:f5:f1:6f'),
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'material': """---- BEGIN RSA PRIVATE KEY ----
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MIICiTCCAfICCQD6m7oRw0uXOjANBgkqhkiG9w0BAQUFADCBiDELMAkGA1UEBhMC
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VVMxCzAJBgNVBAgTAldBMRAwDgYDVQQHEwdTZWF0dGxlMQ8wDQYDVQQKEwZBbWF6
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b24xFDASBgNVBAsTC0lBTSBDb25zb2xlMRIwEAYDVQQDEwlUZXN0Q2lsYWMxHzAd
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BgkqhkiG9w0BCQEWEG5vb25lQGFtYXpvbi5jb20wHhcNMTEwNDI1MjA0NTIxWhcN
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MTIwNDI0MjA0NTIxWjCBiDELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAldBMRAwDgYD
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VQQHEwdTZWF0dGxlMQ8wDQYDVQQKEwZBbWF6b24xFDASBgNVBAsTC0lBTSBDb25z
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b2xlMRIwEAYDVQQDEwlUZXN0Q2lsYWMxHzAdBgkqhkiG9w0BCQEWEG5vb25lQGFt
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YXpvbi5jb20wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAMaK0dn+a4GmWIWJ
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21uUSfwfEvySWtC2XADZ4nB+BLYgVIk60CpiwsZ3G93vUEIO3IyNoH/f0wYK8m9T
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rDHudUZg3qX4waLG5M43q7Wgc/MbQITxOUSQv7c7ugFFDzQGBzZswY6786m86gpE
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Ibb3OhjZnzcvQAaRHhdlQWIMm2nrAgMBAAEwDQYJKoZIhvcNAQEFBQADgYEAtCu4
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nUhVVxYUntneD9+h8Mg9q6q+auNKyExzyLwaxlAoo7TJHidbtS4J5iNmZgXL0Fkb
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FFBjvSfpJIlJ00zbhNYS5f6GuoEDmFJl0ZxBHjJnyp378OD8uTs7fLvjx79LjSTb
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NYiytVbZPQUQ5Yaxu2jXnimvw3rrszlaEXAMPLE
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-----END RSA PRIVATE KEY-----"""
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}
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def get_prefix(resource_id):
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resource_id_prefix, separator, after = resource_id.partition('-')
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if resource_id_prefix == EC2_RESOURCE_TO_PREFIX['network-interface']:
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if after.startswith('attach'):
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resource_id_prefix = EC2_RESOURCE_TO_PREFIX['network-interface-attachment']
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if not resource_id_prefix in EC2_RESOURCE_TO_PREFIX.values():
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uuid4hex = re.compile('[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15}\Z', re.I)
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if uuid4hex.match(resource_id) is not None:
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resource_id_prefix = EC2_RESOURCE_TO_PREFIX['reserved-instance']
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else:
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return None
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return resource_id_prefix
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def is_valid_resource_id(resource_id):
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valid_prefixes = EC2_RESOURCE_TO_PREFIX.values()
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resource_id_prefix = get_prefix(resource_id)
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if not resource_id_prefix in valid_prefixes:
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return False
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resource_id_pattern = resource_id_prefix + '-[0-9a-f]{8}'
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resource_pattern_re = re.compile(resource_id_pattern)
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return resource_pattern_re.match(resource_id) is not None
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def is_valid_cidr(cird):
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cidr_pattern = '^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(\d|[1-2]\d|3[0-2]))$'
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cidr_pattern_re = re.compile(cidr_pattern)
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return cidr_pattern_re.match(cird) is not None
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