Implement Elastic IP
This commit is contained in:
Ilya Sukhanov
parent
a63601e481
commit
f8f8d25426
@ -15,6 +15,9 @@ from .utils import (
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random_subnet_id,
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random_volume_id,
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random_vpc_id,
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random_eip_association_id,
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random_eip_allocation_id,
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random_ip,
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)
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@ -575,9 +578,92 @@ class SpotRequestBackend(object):
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return requests
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class ElasticAddress():
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def __init__(self, domain):
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self.public_ip = random_ip()
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self.allocation_id = random_eip_allocation_id() if domain == "vpc" else None
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self.domain = domain
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self.instance = None
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self.association_id = None
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class ElasticAddressBackend(object):
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def __init__(self):
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self.addresses = []
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super(ElasticAddressBackend, self).__init__()
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def allocate_address(self, domain):
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address = ElasticAddress(domain)
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self.addresses.append(address)
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return address
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def address_by_ip(self, ips):
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return [address for address in self.addresses
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if address.public_ip in ips]
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def address_by_allocation(self, allocation_ids):
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return [address for address in self.addresses
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if address.allocation_id in allocation_ids]
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def address_by_association(self, association_ids):
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return [address for address in self.addresses
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if address.association_id in association_ids]
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def associate_address(self, instance, address=None, allocation_id=None, reassociate=False):
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eips = []
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if address:
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eips = self.address_by_ip([address])
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elif allocation_id:
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eips = self.address_by_allocation([allocation_id])
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eip = eips[0] if len(eips) > 0 else None
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if eip and eip.instance is None or reassociate:
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eip.instance = instance
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if eip.domain == "vpc":
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eip.association_id = random_eip_association_id()
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return eip
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else:
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return None
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def describe_addresses(self):
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return self.addresses
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def disassociate_address(self, address=None, association_id=None):
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eips = []
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if address:
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eips = self.address_by_ip([address])
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elif association_id:
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eips = self.address_by_association([association_id])
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if eips:
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eip = eips[0]
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eip.instance = None
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eip.association_id = None
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return True
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else:
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return False
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def release_address(self, address=None, allocation_id=None):
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eips = []
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if address:
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eips = self.address_by_ip([address])
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elif allocation_id:
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eips = self.address_by_allocation([allocation_id])
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if eips:
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eip = eips[0]
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self.disassociate_address(address=eip.public_ip)
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eip.allocation_id = None
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self.addresses.remove(eip)
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return True
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else:
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return False
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class EC2Backend(BaseBackend, InstanceBackend, TagBackend, AmiBackend,
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RegionsAndZonesBackend, SecurityGroupBackend, EBSBackend,
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VPCBackend, SubnetBackend, SpotRequestBackend):
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VPCBackend, SubnetBackend, SpotRequestBackend, ElasticAddressBackend):
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pass
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@ -1,21 +1,132 @@
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from jinja2 import Template
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from moto.ec2.models import ec2_backend
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from moto.ec2.utils import resource_ids_from_querystring
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from moto.ec2.utils import sequence_from_querystring
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class ElasticIPAddresses(object):
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def allocate_address(self):
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raise NotImplementedError('ElasticIPAddresses.allocate_address is not yet implemented')
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if "Domain" in self.querystring:
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domain = self.querystring.get('Domain')[0]
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if domain != "vpc":
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return "Invalid domain:{0}.".format(domain), dict(status=400)
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else:
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domain = "standard"
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address = ec2_backend.allocate_address(domain)
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template = Template(ALLOCATE_ADDRESS_RESPONSE)
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return template.render(address=address)
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def associate_address(self):
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raise NotImplementedError('ElasticIPAddresses.associate_address is not yet implemented')
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if "InstanceId" in self.querystring:
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instance = ec2_backend.get_instance(self.querystring['InstanceId'][0])
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elif "NetworkInterfaceId" in self.querystring:
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raise NotImplementedError("Lookup by allocation id not implemented")
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else:
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return "Invalid request, expect InstanceId/NetworkId parameter.", dict(status=400)
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reassociate = False
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if "AllowReassociation" in self.querystring:
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reassociate = self.querystring['AllowReassociation'][0] == "true"
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if "PublicIp" in self.querystring:
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eip = ec2_backend.associate_address(instance, address=self.querystring['PublicIp'][0], reassociate=reassociate)
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elif "AllocationId" in self.querystring:
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eip = ec2_backend.associate_address(instance, allocation_id=self.querystring['AllocationId'][0], reassociate=reassociate)
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else:
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return "Invalid request, expect PublicIp/AllocationId parameter.", dict(status=400)
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if eip:
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template = Template(ASSOCIATE_ADDRESS_RESPONSE)
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return template.render(address=eip)
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else:
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return "Failed to associate address.", dict(status=400)
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def describe_addresses(self):
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raise NotImplementedError('ElasticIPAddresses.describe_addresses is not yet implemented')
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template = Template(DESCRIBE_ADDRESS_RESPONSE)
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if "Filter.1.Name" in self.querystring:
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raise NotImplementedError("Filtering not supported in describe_address.")
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elif "PublicIp.1" in self.querystring:
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public_ips = sequence_from_querystring("PublicIp", self.querystring)
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addresses = ec2_backend.address_by_ip(public_ips)
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elif "AllocationId.1" in self.querystring:
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allocation_ids = sequence_from_querystring("AllocationId", self.querystring)
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addresses = ec2_backend.address_by_allocation(allocation_ids)
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else:
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addresses = ec2_backend.describe_addresses()
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return template.render(addresses=addresses)
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def disassociate_address(self):
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raise NotImplementedError('ElasticIPAddresses.disassociate_address is not yet implemented')
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if "PublicIp" in self.querystring:
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disassociated = ec2_backend.disassociate_address(address=self.querystring['PublicIp'][0])
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elif "AssociationId" in self.querystring:
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disassociated = ec2_backend.disassociate_address(association_id=self.querystring['AssociationId'][0])
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else:
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return "Invalid request, expect PublicIp/AssociationId parameter.", dict(status=400)
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if disassociated:
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return Template(DISASSOCIATE_ADDRESS_RESPONSE).render()
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else:
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return "Address conresponding to PublicIp/AssociationIP not found.", dict(status=400)
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def release_address(self):
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raise NotImplementedError('ElasticIPAddresses.release_address is not yet implemented')
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if "PublicIp" in self.querystring:
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released = ec2_backend.release_address(address=self.querystring['PublicIp'][0])
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elif "AllocationId" in self.querystring:
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released = ec2_backend.release_address(allocation_id=self.querystring['AllocationId'][0])
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else:
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return "Invalid request, expect PublicIp/AllocationId parameter.", dict(status=400)
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if released:
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return Template(RELEASE_ADDRESS_RESPONSE).render()
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else:
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return "Address conresponding to PublicIp/AssociationIP not found.", dict(status=400)
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ALLOCATE_ADDRESS_RESPONSE = """<AllocateAddressResponse xmlns="http://ec2.amazonaws.com/doc/2013-07-15/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<publicIp>{{ address.public_ip }}</publicIp>
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<domain>{{ address.domain }}</domain>
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{% if address.allocation_id %}
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<allocationId>{{ address.allocation_id }}</allocationId>
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{% endif %}
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</AllocateAddressResponse>"""
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ASSOCIATE_ADDRESS_RESPONSE = """<AssociateAddressResponse xmlns="http://ec2.amazonaws.com/doc/2013-07-15/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<return>true</return>
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{% if address.association_id %}
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<associationId>{{ address.association_id }}</associationId>
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{% endif %}
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</AssociateAddressResponse>"""
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DESCRIBE_ADDRESS_RESPONSE = """<DescribeAddressesResponse xmlns="http://ec2.amazonaws.com/doc/2013-07-15/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<addressesSet>
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{% for address in addresses %}
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<item>
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<publicIp>{{ address.public_ip }}</publicIp>
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<domain>{{ address.domain }}</domain>
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{% if address.instance %}
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<instanceId>{{ address.instance.id }}</instanceId>
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{% else %}
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<instanceId/>
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{% endif %}
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{% if address.association_id %}
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<associationId>{{ address.association_id }}</associationId>
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{% endif %}
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</item>
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{% endfor %}
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</addressesSet>
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</DescribeAddressesResponse>"""
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DISASSOCIATE_ADDRESS_RESPONSE = """<DisassociateAddressResponse xmlns="http://ec2.amazonaws.com/doc/2013-07-15/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<return>true</return>
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</DisassociateAddressResponse>"""
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RELEASE_ADDRESS_RESPONSE = """<ReleaseAddressResponse xmlns="http://ec2.amazonaws.com/doc/2013-07-15/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<return>true</return>
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</ReleaseAddressResponse>"""
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@ -46,6 +46,22 @@ def random_vpc_id():
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return random_id(prefix='vpc')
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def random_eip_association_id():
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return random_id(prefix='eipassoc')
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def random_eip_allocation_id():
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return random_id(prefix='eipalloc')
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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 instance_ids_from_querystring(querystring_dict):
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instance_ids = []
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for key, value in querystring_dict.iteritems():
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@ -62,6 +78,14 @@ def image_ids_from_querystring(querystring_dict):
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return image_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.iteritems():
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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 resource_ids_from_querystring(querystring_dict):
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prefix = 'ResourceId'
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response_values = {}
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@ -1,9 +1,194 @@
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"""Test mocking of Elatic IP Address"""
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import boto
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from boto.exception import EC2ResponseError
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import sure # noqa
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from moto import mock_ec2
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import logging
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import types
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@mock_ec2
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def test_elastic_ip_addresses():
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pass
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def test_eip_allocate_classic():
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"""Allocate/release Classic EIP"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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standard = conn.allocate_address()
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standard.should.be.a(boto.ec2.address.Address)
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standard.public_ip.should.be.a(types.UnicodeType)
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standard.instance_id.should.be.none
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standard.domain.should.be.equal("standard")
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standard.release()
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standard.should_not.be.within(conn.get_all_addresses())
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@mock_ec2
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def test_eip_allocate_vpc():
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"""Allocate/release VPC EIP"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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vpc = conn.allocate_address(domain="vpc")
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vpc.should.be.a(boto.ec2.address.Address)
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vpc.domain.should.be.equal("vpc")
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logging.debug("vpc alloc_id:".format(vpc.allocation_id))
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vpc.release()
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@mock_ec2
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def test_eip_allocate_invalid_domain():
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"""Allocate EIP invalid domain"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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conn.allocate_address.when.called_with(domain="bogus").should.throw(EC2ResponseError)
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@mock_ec2
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def test_eip_associate_classic():
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"""Associate/Disassociate EIP to classic instance"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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reservation = conn.run_instances('ami-1234abcd')
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instance = reservation.instances[0]
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eip = conn.allocate_address()
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eip.instance_id.should.be.none
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conn.associate_address.when.called_with(public_ip=eip.public_ip).should.throw(EC2ResponseError)
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conn.associate_address(instance_id=instance.id, public_ip=eip.public_ip)
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eip = conn.get_all_addresses(addresses=[eip.public_ip])[0] # no .update() on address ):
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eip.instance_id.should.be.equal(instance.id)
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conn.disassociate_address(public_ip=eip.public_ip)
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eip = conn.get_all_addresses(addresses=[eip.public_ip])[0] # no .update() on address ):
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eip.instance_id.should.be.equal(u'')
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eip.release()
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eip.should_not.be.within(conn.get_all_addresses())
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eip = None
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instance.terminate()
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@mock_ec2
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def test_eip_associate_vpc():
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"""Associate/Disassociate EIP to VPC instance"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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reservation = conn.run_instances('ami-1234abcd')
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instance = reservation.instances[0]
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eip = conn.allocate_address(domain='vpc')
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eip.instance_id.should.be.none
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conn.associate_address.when.called_with(allocation_id=eip.allocation_id).should.throw(EC2ResponseError)
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conn.associate_address(instance_id=instance.id, allocation_id=eip.allocation_id)
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eip = conn.get_all_addresses(addresses=[eip.public_ip])[0] # no .update() on address ):
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eip.instance_id.should.be.equal(instance.id)
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conn.disassociate_address(association_id=eip.association_id)
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eip = conn.get_all_addresses(addresses=[eip.public_ip])[0] # no .update() on address ):
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eip.instance_id.should.be.equal(u'')
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eip.association_id.should.be.none
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eip.release()
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eip = None
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instance.terminate()
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@mock_ec2
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def test_eip_reassociate():
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"""reassociate EIP"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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reservation = conn.run_instances('ami-1234abcd')
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instance = reservation.instances[0]
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eip = conn.allocate_address()
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conn.associate_address(instance_id=instance.id, public_ip=eip.public_ip)
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conn.associate_address.when.called_with(instance_id=instance.id, public_ip=eip.public_ip, allow_reassociation=False).should.throw(EC2ResponseError)
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conn.associate_address.when.called_with(instance_id=instance.id, public_ip=eip.public_ip, allow_reassociation=True).should_not.throw(EC2ResponseError)
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eip.release()
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eip = None
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instance.terminate()
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@mock_ec2
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def test_eip_associate_invalid_args():
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"""Associate EIP, invalid args """
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conn = boto.connect_ec2('the_key', 'the_secret')
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reservation = conn.run_instances('ami-1234abcd')
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instance = reservation.instances[0]
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eip = conn.allocate_address()
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conn.associate_address.when.called_with(instance_id=instance.id).should.throw(EC2ResponseError)
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instance.terminate()
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@mock_ec2
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def test_eip_disassociate_bogus_association():
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"""Disassociate bogus EIP"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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conn.disassociate_address.when.called_with(association_id="bogus").should.throw(EC2ResponseError)
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@mock_ec2
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def test_eip_release_bogus_eip():
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"""Release bogus EIP"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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conn.release_address.when.called_with(allocation_id="bogus").should.throw(EC2ResponseError)
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@mock_ec2
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def test_eip_disassociate_arg_error():
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"""Invalid arguments disassociate address"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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conn.disassociate_address.when.called_with().should.throw(EC2ResponseError)
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@mock_ec2
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def test_eip_release_arg_error():
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"""Invalid arguments release address"""
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conn = boto.connect_ec2('the_key', 'the_secret')
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conn.release_address.when.called_with().should.throw(EC2ResponseError)
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@mock_ec2
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def test_eip_describe():
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"""Listing of allocated Elastic IP Addresses."""
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conn = boto.connect_ec2('the_key', 'the_secret')
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eips = []
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number_of_classic_ips = 2
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number_of_vpc_ips = 2
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#allocate some IPs
|
||||
for _ in range(number_of_classic_ips):
|
||||
eips.append(conn.allocate_address())
|
||||
for _ in range(number_of_vpc_ips):
|
||||
eips.append(conn.allocate_address(domain='vpc'))
|
||||
len(eips).should.be.equal(number_of_classic_ips + number_of_vpc_ips)
|
||||
|
||||
# Can we find each one individually?
|
||||
for eip in eips:
|
||||
if eip.allocation_id:
|
||||
lookup_addresses = conn.get_all_addresses(allocation_ids=[eip.allocation_id])
|
||||
else:
|
||||
lookup_addresses = conn.get_all_addresses(addresses=[eip.public_ip])
|
||||
len(lookup_addresses).should.be.equal(1)
|
||||
lookup_addresses[0].public_ip.should.be.equal(eip.public_ip)
|
||||
|
||||
# Can we find first two when we search for them?
|
||||
lookup_addresses = conn.get_all_addresses(addresses=[eips[0].public_ip, eips[1].public_ip])
|
||||
len(lookup_addresses).should.be.equal(2)
|
||||
lookup_addresses[0].public_ip.should.be.equal(eips[0].public_ip)
|
||||
lookup_addresses[1].public_ip.should.be.equal(eips[1].public_ip)
|
||||
|
||||
#Release all IPs
|
||||
for eip in eips:
|
||||
eip.release()
|
||||
len(conn.get_all_addresses()).should.be.equal(0)
|
||||
|
||||
|
||||
@mock_ec2
|
||||
def test_eip_describe_none():
|
||||
"""Find nothing when seach for bogus IP"""
|
||||
conn = boto.connect_ec2('the_key', 'the_secret')
|
||||
lookup_addresses = conn.get_all_addresses(addresses=["256.256.256.256"])
|
||||
len(lookup_addresses).should.be.equal(0)
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user