refactor ec2 response structure
This commit is contained in:
Steve Pulec
parent
1d42cc3f53
commit
568d99dd42
5 changed files with 65 additions and 39 deletions
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@ -1,323 +0,0 @@
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import boto
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from urlparse import parse_qs
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from jinja2 import Template
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from .models import ec2_backend
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from .utils import instance_ids_from_querystring, camelcase_to_underscores
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def instances(uri, body, headers):
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if body:
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querystring = parse_qs(body)
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else:
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querystring = parse_qs(headers)
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action = querystring['Action'][0]
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instance_ids = instance_ids_from_querystring(querystring)
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if action == 'DescribeInstances':
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template = Template(EC2_DESCRIBE_INSTANCES)
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return template.render(reservations=ec2_backend.all_reservations())
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elif action == 'RunInstances':
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min_count = int(querystring.get('MinCount', ['1'])[0])
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new_reservation = ec2_backend.add_instances(min_count)
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template = Template(EC2_RUN_INSTANCES)
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return template.render(reservation=new_reservation)
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elif action == 'TerminateInstances':
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instances = ec2_backend.terminate_instances(instance_ids)
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template = Template(EC2_TERMINATE_INSTANCES)
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return template.render(instances=instances)
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elif action == 'RebootInstances':
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instances = ec2_backend.reboot_instances(instance_ids)
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template = Template(EC2_REBOOT_INSTANCES)
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return template.render(instances=instances)
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elif action == 'StopInstances':
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instances = ec2_backend.stop_instances(instance_ids)
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template = Template(EC2_STOP_INSTANCES)
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return template.render(instances=instances)
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elif action == 'StartInstances':
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instances = ec2_backend.start_instances(instance_ids)
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template = Template(EC2_START_INSTANCES)
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return template.render(instances=instances)
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elif action == 'DescribeInstanceAttribute':
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# TODO this and modify below should raise IncorrectInstanceState if instance not in stopped state
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attribute = querystring.get("Attribute")[0]
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normalized_attribute = camelcase_to_underscores(attribute)
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instance_id = instance_ids[0]
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instance = ec2_backend.get_instance(instance_id)
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value = getattr(instance, normalized_attribute)
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template = Template(EC2_DESCRIBE_INSTANCE_ATTRIBUTE)
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return template.render(instance=instance, attribute=attribute, value=value)
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elif action == 'ModifyInstanceAttribute':
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for key, value in querystring.iteritems():
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if '.Value' in key:
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break
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value = querystring.get(key)[0]
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normalized_attribute = camelcase_to_underscores(key.split(".")[0])
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instance_id = instance_ids[0]
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instance = ec2_backend.get_instance(instance_id)
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setattr(instance, normalized_attribute, value)
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return EC2_MODIFY_INSTANCE_ATTRIBUTE
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else:
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import pdb;pdb.set_trace()
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return EC2_REBOOT_INSTANCE
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EC2_RUN_INSTANCES = """<RunInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<reservationId>{{ reservation.id }}</reservationId>
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<ownerId>111122223333</ownerId>
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<groupSet>
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<item>
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<groupId>sg-245f6a01</groupId>
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<groupName>default</groupName>
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</item>
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</groupSet>
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<instancesSet>
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{% for instance in reservation.instances %}
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<item>
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<instanceId>{{ instance.id }}</instanceId>
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<imageId>ami-60a54009</imageId>
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<instanceState>
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<code>0</code>
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<name>pending</name>
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</instanceState>
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<privateDnsName/>
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<dnsName/>
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<reason/>
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<amiLaunchIndex>0</amiLaunchIndex>
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<instanceType>m1.small</instanceType>
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<launchTime>2007-08-07T11:51:50.000Z</launchTime>
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<placement>
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<availabilityZone>us-east-1b</availabilityZone>
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<groupName/>
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<tenancy>default</tenancy>
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</placement>
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<monitoring>
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<state>enabled</state>
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</monitoring>
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<sourceDestCheck>true</sourceDestCheck>
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<groupSet>
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<item>
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<groupId>sg-245f6a01</groupId>
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<groupName>default</groupName>
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</item>
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</groupSet>
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<virtualizationType>paravirtual</virtualizationType>
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<clientToken/>
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<hypervisor>xen</hypervisor>
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<ebsOptimized>false</ebsOptimized>
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</item>
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{% endfor %}
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</instancesSet>
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</RunInstancesResponse>"""
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EC2_DESCRIBE_INSTANCES = """<DescribeInstancesResponse xmlns='http://ec2.amazonaws.com/doc/2012-12-01/'>
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<requestId>fdcdcab1-ae5c-489e-9c33-4637c5dda355</requestId>
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<reservationSet>
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{% for reservation in reservations %}
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<item>
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<reservationId>{{ reservation.id }}</reservationId>
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<ownerId>111122223333</ownerId>
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<groupSet>
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<item>
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<groupId>sg-1a2b3c4d</groupId>
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<groupName>my-security-group</groupName>
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</item>
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</groupSet>
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<instancesSet>
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{% for instance in reservation.instances %}
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<item>
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<instanceId>{{ instance.id }}</instanceId>
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<imageId>ami-1a2b3c4d</imageId>
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<instanceState>
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<code>16</code>
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<name>{{ instance.state }}</name>
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</instanceState>
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<privateDnsName/>
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<dnsName/>
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<reason/>
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<keyName>gsg-keypair</keyName>
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<amiLaunchIndex>0</amiLaunchIndex>
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<productCodes/>
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<instanceType>c1.medium</instanceType>
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<launchTime>YYYY-MM-DDTHH:MM:SS+0000</launchTime>
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<placement>
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<availabilityZone>us-west-2a</availabilityZone>
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<groupName/>
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<tenancy>default</tenancy>
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</placement>
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<platform>windows</platform>
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<monitoring>
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<state>disabled</state>
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</monitoring>
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<subnetId>subnet-1a2b3c4d</subnetId>
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<vpcId>vpc-1a2b3c4d</vpcId>
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<privateIpAddress>10.0.0.12</privateIpAddress>
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<ipAddress>46.51.219.63</ipAddress>
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<sourceDestCheck>true</sourceDestCheck>
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<groupSet>
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<item>
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<groupId>sg-1a2b3c4d</groupId>
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<groupName>my-security-group</groupName>
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</item>
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</groupSet>
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<architecture>x86_64</architecture>
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<rootDeviceType>ebs</rootDeviceType>
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<rootDeviceName>/dev/sda1</rootDeviceName>
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<blockDeviceMapping>
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<item>
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<deviceName>/dev/sda1</deviceName>
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<ebs>
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<volumeId>vol-1a2b3c4d</volumeId>
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<status>attached</status>
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<attachTime>YYYY-MM-DDTHH:MM:SS.SSSZ</attachTime>
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<deleteOnTermination>true</deleteOnTermination>
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</ebs>
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</item>
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</blockDeviceMapping>
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<virtualizationType>hvm</virtualizationType>
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<clientToken>ABCDE1234567890123</clientToken>
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<tagSet>
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<item>
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<key>Name</key>
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<value>Windows Instance</value>
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</item>
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</tagSet>
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<hypervisor>xen</hypervisor>
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<networkInterfaceSet>
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<item>
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<networkInterfaceId>eni-1a2b3c4d</networkInterfaceId>
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<subnetId>subnet-1a2b3c4d</subnetId>
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<vpcId>vpc-1a2b3c4d</vpcId>
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<description>Primary network interface</description>
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<ownerId>111122223333</ownerId>
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<status>in-use</status>
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<privateIpAddress>10.0.0.12</privateIpAddress>
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<macAddress>1b:2b:3c:4d:5e:6f</macAddress>
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<sourceDestCheck>true</sourceDestCheck>
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<groupSet>
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<item>
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<groupId>sg-1a2b3c4d</groupId>
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<groupName>my-security-group</groupName>
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</item>
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</groupSet>
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<attachment>
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<attachmentId>eni-attach-1a2b3c4d</attachmentId>
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<deviceIndex>0</deviceIndex>
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<status>attached</status>
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<attachTime>YYYY-MM-DDTHH:MM:SS+0000</attachTime>
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<deleteOnTermination>true</deleteOnTermination>
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</attachment>
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<association>
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<publicIp>46.51.219.63</publicIp>
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<ipOwnerId>111122223333</ipOwnerId>
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</association>
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<privateIpAddressesSet>
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<item>
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<privateIpAddress>10.0.0.12</privateIpAddress>
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<primary>true</primary>
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<association>
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<publicIp>46.51.219.63</publicIp>
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<ipOwnerId>111122223333</ipOwnerId>
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</association>
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</item>
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<item>
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<privateIpAddress>10.0.0.14</privateIpAddress>
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<primary>false</primary>
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<association>
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<publicIp>46.51.221.177</publicIp>
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<ipOwnerId>111122223333</ipOwnerId>
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</association>
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</item>
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</privateIpAddressesSet>
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</item>
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</networkInterfaceSet>
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</item>
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{% endfor %}
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</instancesSet>
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</item>
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{% endfor %}
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</reservationSet>
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</DescribeInstancesResponse>"""
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EC2_TERMINATE_INSTANCES = """
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<TerminateInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<instancesSet>
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{% for instance in instances %}
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<item>
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<instanceId>{{ instance.id }}</instanceId>
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<currentState>
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<code>32</code>
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<name>shutting-down</name>
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</currentState>
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<previousState>
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<code>16</code>
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<name>running</name>
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</previousState>
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</item>
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{% endfor %}
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</instancesSet>
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</TerminateInstancesResponse>"""
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EC2_STOP_INSTANCES = """
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<StopInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<instancesSet>
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{% for instance in instances %}
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<item>
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<instanceId>{{ instance.id }}</instanceId>
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<currentState>
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<code>32</code>
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<name>{{ instance.state }}</name>
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</currentState>
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<previousState>
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<code>16</code>
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<name>running</name>
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</previousState>
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</item>
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{% endfor %}
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</instancesSet>
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</StopInstancesResponse>"""
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EC2_START_INSTANCES = """
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<StartInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<instancesSet>
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{% for instance in instances %}
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<item>
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<instanceId>{{ instance.id }}</instanceId>
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<currentState>
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<code>32</code>
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<name>{{ instance.state }}</name>
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</currentState>
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<previousState>
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<code>16</code>
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<name>running</name>
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</previousState>
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</item>
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{% endfor %}
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</instancesSet>
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</StartInstancesResponse>"""
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EC2_REBOOT_INSTANCES = """<RebootInstancesResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<return>true</return>
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</RebootInstancesResponse>"""
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EC2_DESCRIBE_INSTANCE_ATTRIBUTE = """<DescribeInstanceAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<instanceId>{{ instance.id }}</instanceId>
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<{{ attribute }}>
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<value>{{ value }}</value>
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</{{ attribute }}>
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</DescribeInstanceAttributeResponse>"""
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EC2_MODIFY_INSTANCE_ATTRIBUTE = """<ModifyInstanceAttributeResponse xmlns="http://ec2.amazonaws.com/doc/2012-12-01/">
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<requestId>59dbff89-35bd-4eac-99ed-be587EXAMPLE</requestId>
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<return>true</return>
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</ModifyInstanceAttributeResponse>"""
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