678 lines
23 KiB
Python
678 lines
23 KiB
Python
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# Copyright (c) 2006-2012 Mitch Garnaat http://garnaat.org/
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# Copyright (c) 2010, Eucalyptus Systems, Inc.
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# Copyright (c) 2012 Amazon.com, Inc. or its affiliates. All Rights Reserved
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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"""
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Represents an EC2 Instance
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"""
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import boto
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from boto.ec2.ec2object import EC2Object, TaggedEC2Object
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from boto.resultset import ResultSet
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from boto.ec2.address import Address
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from boto.ec2.blockdevicemapping import BlockDeviceMapping
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from boto.ec2.image import ProductCodes
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from boto.ec2.networkinterface import NetworkInterface
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from boto.ec2.group import Group
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import base64
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class InstanceState(object):
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"""
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The state of the instance.
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:ivar code: The low byte represents the state. The high byte is an
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opaque internal value and should be ignored. Valid values:
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* 0 (pending)
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* 16 (running)
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* 32 (shutting-down)
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* 48 (terminated)
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* 64 (stopping)
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* 80 (stopped)
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:ivar name: The name of the state of the instance. Valid values:
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* "pending"
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* "running"
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* "shutting-down"
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* "terminated"
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* "stopping"
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* "stopped"
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"""
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def __init__(self, code=0, name=None):
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self.code = code
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self.name = name
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def __repr__(self):
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return '%s(%d)' % (self.name, self.code)
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def startElement(self, name, attrs, connection):
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pass
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def endElement(self, name, value, connection):
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if name == 'code':
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self.code = int(value)
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elif name == 'name':
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self.name = value
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else:
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setattr(self, name, value)
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class InstancePlacement(object):
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"""
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The location where the instance launched.
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:ivar zone: The Availability Zone of the instance.
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:ivar group_name: The name of the placement group the instance is
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in (for cluster compute instances).
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:ivar tenancy: The tenancy of the instance (if the instance is
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running within a VPC). An instance with a tenancy of dedicated
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runs on single-tenant hardware.
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"""
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def __init__(self, zone=None, group_name=None, tenancy=None):
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self.zone = zone
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self.group_name = group_name
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self.tenancy = tenancy
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def __repr__(self):
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return self.zone
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def startElement(self, name, attrs, connection):
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pass
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def endElement(self, name, value, connection):
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if name == 'availabilityZone':
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self.zone = value
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elif name == 'groupName':
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self.group_name = value
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elif name == 'tenancy':
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self.tenancy = value
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else:
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setattr(self, name, value)
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class Reservation(EC2Object):
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"""
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Represents a Reservation response object.
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:ivar id: The unique ID of the Reservation.
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:ivar owner_id: The unique ID of the owner of the Reservation.
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:ivar groups: A list of Group objects representing the security
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groups associated with launched instances.
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:ivar instances: A list of Instance objects launched in this
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Reservation.
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"""
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def __init__(self, connection=None):
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super(Reservation, self).__init__(connection)
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self.id = None
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self.owner_id = None
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self.groups = []
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self.instances = []
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def __repr__(self):
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return 'Reservation:%s' % self.id
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def startElement(self, name, attrs, connection):
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if name == 'instancesSet':
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self.instances = ResultSet([('item', Instance)])
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return self.instances
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elif name == 'groupSet':
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self.groups = ResultSet([('item', Group)])
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return self.groups
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else:
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return None
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def endElement(self, name, value, connection):
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if name == 'reservationId':
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self.id = value
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elif name == 'ownerId':
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self.owner_id = value
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else:
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setattr(self, name, value)
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def stop_all(self, dry_run=False):
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for instance in self.instances:
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instance.stop(dry_run=dry_run)
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class Instance(TaggedEC2Object):
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"""
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Represents an instance.
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:ivar id: The unique ID of the Instance.
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:ivar groups: A list of Group objects representing the security
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groups associated with the instance.
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:ivar public_dns_name: The public dns name of the instance.
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:ivar private_dns_name: The private dns name of the instance.
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:ivar state: The string representation of the instance's current state.
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:ivar state_code: An integer representation of the instance's
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current state.
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:ivar previous_state: The string representation of the instance's
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previous state.
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:ivar previous_state_code: An integer representation of the
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instance's current state.
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:ivar key_name: The name of the SSH key associated with the instance.
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:ivar instance_type: The type of instance (e.g. m1.small).
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:ivar launch_time: The time the instance was launched.
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:ivar image_id: The ID of the AMI used to launch this instance.
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:ivar placement: The availability zone in which the instance is running.
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:ivar placement_group: The name of the placement group the instance
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is in (for cluster compute instances).
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:ivar placement_tenancy: The tenancy of the instance, if the instance
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is running within a VPC. An instance with a tenancy of dedicated
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runs on a single-tenant hardware.
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:ivar kernel: The kernel associated with the instance.
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:ivar ramdisk: The ramdisk associated with the instance.
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:ivar architecture: The architecture of the image (i386|x86_64).
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:ivar hypervisor: The hypervisor used.
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:ivar virtualization_type: The type of virtualization used.
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:ivar product_codes: A list of product codes associated with this instance.
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:ivar ami_launch_index: This instances position within it's launch group.
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:ivar monitored: A boolean indicating whether monitoring is enabled or not.
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:ivar monitoring_state: A string value that contains the actual value
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of the monitoring element returned by EC2.
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:ivar spot_instance_request_id: The ID of the spot instance request
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if this is a spot instance.
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:ivar subnet_id: The VPC Subnet ID, if running in VPC.
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:ivar vpc_id: The VPC ID, if running in VPC.
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:ivar private_ip_address: The private IP address of the instance.
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:ivar ip_address: The public IP address of the instance.
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:ivar platform: Platform of the instance (e.g. Windows)
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:ivar root_device_name: The name of the root device.
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:ivar root_device_type: The root device type (ebs|instance-store).
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:ivar block_device_mapping: The Block Device Mapping for the instance.
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:ivar state_reason: The reason for the most recent state transition.
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:ivar interfaces: List of Elastic Network Interfaces associated with
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this instance.
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:ivar ebs_optimized: Whether instance is using optimized EBS volumes
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or not.
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:ivar instance_profile: A Python dict containing the instance
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profile id and arn associated with this instance.
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"""
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def __init__(self, connection=None):
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super(Instance, self).__init__(connection)
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self.id = None
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self.dns_name = None
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self.public_dns_name = None
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self.private_dns_name = None
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self.key_name = None
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self.instance_type = None
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self.launch_time = None
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self.image_id = None
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self.kernel = None
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self.ramdisk = None
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self.product_codes = ProductCodes()
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self.ami_launch_index = None
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self.monitored = False
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self.monitoring_state = None
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self.spot_instance_request_id = None
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self.subnet_id = None
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self.vpc_id = None
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self.private_ip_address = None
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self.ip_address = None
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self.requester_id = None
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self._in_monitoring_element = False
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self.persistent = False
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self.root_device_name = None
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self.root_device_type = None
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self.block_device_mapping = None
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self.state_reason = None
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self.group_name = None
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self.client_token = None
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self.eventsSet = None
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self.groups = []
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self.platform = None
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self.interfaces = []
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self.hypervisor = None
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self.virtualization_type = None
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self.architecture = None
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self.instance_profile = None
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self._previous_state = None
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self._state = InstanceState()
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self._placement = InstancePlacement()
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def __repr__(self):
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return 'Instance:%s' % self.id
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@property
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def state(self):
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return self._state.name
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@property
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def state_code(self):
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return self._state.code
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@property
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def previous_state(self):
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if self._previous_state:
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return self._previous_state.name
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return None
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@property
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def previous_state_code(self):
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if self._previous_state:
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return self._previous_state.code
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return 0
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@property
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def placement(self):
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return self._placement.zone
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@property
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def placement_group(self):
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return self._placement.group_name
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@property
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def placement_tenancy(self):
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return self._placement.tenancy
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def startElement(self, name, attrs, connection):
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retval = super(Instance, self).startElement(name, attrs, connection)
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if retval is not None:
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return retval
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if name == 'monitoring':
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self._in_monitoring_element = True
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elif name == 'blockDeviceMapping':
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self.block_device_mapping = BlockDeviceMapping()
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return self.block_device_mapping
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elif name == 'productCodes':
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return self.product_codes
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elif name == 'stateReason':
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self.state_reason = SubParse('stateReason')
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return self.state_reason
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elif name == 'groupSet':
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self.groups = ResultSet([('item', Group)])
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return self.groups
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elif name == "eventsSet":
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self.eventsSet = SubParse('eventsSet')
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return self.eventsSet
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elif name == 'networkInterfaceSet':
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self.interfaces = ResultSet([('item', NetworkInterface)])
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return self.interfaces
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elif name == 'iamInstanceProfile':
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self.instance_profile = SubParse('iamInstanceProfile')
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return self.instance_profile
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elif name == 'currentState':
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return self._state
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elif name == 'previousState':
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self._previous_state = InstanceState()
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return self._previous_state
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elif name == 'instanceState':
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return self._state
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elif name == 'placement':
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return self._placement
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return None
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def endElement(self, name, value, connection):
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if name == 'instanceId':
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self.id = value
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elif name == 'imageId':
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self.image_id = value
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elif name == 'dnsName' or name == 'publicDnsName':
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self.dns_name = value # backwards compatibility
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self.public_dns_name = value
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elif name == 'privateDnsName':
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self.private_dns_name = value
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elif name == 'keyName':
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self.key_name = value
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elif name == 'amiLaunchIndex':
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self.ami_launch_index = value
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elif name == 'previousState':
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self.previous_state = value
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elif name == 'instanceType':
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self.instance_type = value
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elif name == 'rootDeviceName':
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self.root_device_name = value
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elif name == 'rootDeviceType':
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self.root_device_type = value
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elif name == 'launchTime':
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self.launch_time = value
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elif name == 'platform':
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self.platform = value
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elif name == 'kernelId':
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self.kernel = value
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elif name == 'ramdiskId':
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self.ramdisk = value
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elif name == 'state':
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if self._in_monitoring_element:
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self.monitoring_state = value
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if value == 'enabled':
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self.monitored = True
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self._in_monitoring_element = False
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elif name == 'spotInstanceRequestId':
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self.spot_instance_request_id = value
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elif name == 'subnetId':
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self.subnet_id = value
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elif name == 'vpcId':
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self.vpc_id = value
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elif name == 'privateIpAddress':
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self.private_ip_address = value
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elif name == 'ipAddress':
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self.ip_address = value
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elif name == 'requesterId':
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self.requester_id = value
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elif name == 'persistent':
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if value == 'true':
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self.persistent = True
|
||
|
|
else:
|
||
|
|
self.persistent = False
|
||
|
|
elif name == 'groupName':
|
||
|
|
if self._in_monitoring_element:
|
||
|
|
self.group_name = value
|
||
|
|
elif name == 'clientToken':
|
||
|
|
self.client_token = value
|
||
|
|
elif name == "eventsSet":
|
||
|
|
self.events = value
|
||
|
|
elif name == 'hypervisor':
|
||
|
|
self.hypervisor = value
|
||
|
|
elif name == 'virtualizationType':
|
||
|
|
self.virtualization_type = value
|
||
|
|
elif name == 'architecture':
|
||
|
|
self.architecture = value
|
||
|
|
elif name == 'ebsOptimized':
|
||
|
|
self.ebs_optimized = (value == 'true')
|
||
|
|
else:
|
||
|
|
setattr(self, name, value)
|
||
|
|
|
||
|
|
def _update(self, updated):
|
||
|
|
self.__dict__.update(updated.__dict__)
|
||
|
|
|
||
|
|
def update(self, validate=False, dry_run=False):
|
||
|
|
"""
|
||
|
|
Update the instance's state information by making a call to fetch
|
||
|
|
the current instance attributes from the service.
|
||
|
|
|
||
|
|
:type validate: bool
|
||
|
|
:param validate: By default, if EC2 returns no data about the
|
||
|
|
instance the update method returns quietly. If
|
||
|
|
the validate param is True, however, it will
|
||
|
|
raise a ValueError exception if no data is
|
||
|
|
returned from EC2.
|
||
|
|
"""
|
||
|
|
rs = self.connection.get_all_reservations([self.id], dry_run=dry_run)
|
||
|
|
if len(rs) > 0:
|
||
|
|
r = rs[0]
|
||
|
|
for i in r.instances:
|
||
|
|
if i.id == self.id:
|
||
|
|
self._update(i)
|
||
|
|
elif validate:
|
||
|
|
raise ValueError('%s is not a valid Instance ID' % self.id)
|
||
|
|
return self.state
|
||
|
|
|
||
|
|
def terminate(self, dry_run=False):
|
||
|
|
"""
|
||
|
|
Terminate the instance
|
||
|
|
"""
|
||
|
|
rs = self.connection.terminate_instances([self.id], dry_run=dry_run)
|
||
|
|
if len(rs) > 0:
|
||
|
|
self._update(rs[0])
|
||
|
|
|
||
|
|
def stop(self, force=False, dry_run=False):
|
||
|
|
"""
|
||
|
|
Stop the instance
|
||
|
|
|
||
|
|
:type force: bool
|
||
|
|
:param force: Forces the instance to stop
|
||
|
|
|
||
|
|
:rtype: list
|
||
|
|
:return: A list of the instances stopped
|
||
|
|
"""
|
||
|
|
rs = self.connection.stop_instances([self.id], force, dry_run=dry_run)
|
||
|
|
if len(rs) > 0:
|
||
|
|
self._update(rs[0])
|
||
|
|
|
||
|
|
def start(self, dry_run=False):
|
||
|
|
"""
|
||
|
|
Start the instance.
|
||
|
|
"""
|
||
|
|
rs = self.connection.start_instances([self.id], dry_run=dry_run)
|
||
|
|
if len(rs) > 0:
|
||
|
|
self._update(rs[0])
|
||
|
|
|
||
|
|
def reboot(self, dry_run=False):
|
||
|
|
return self.connection.reboot_instances([self.id], dry_run=dry_run)
|
||
|
|
|
||
|
|
def get_console_output(self, dry_run=False):
|
||
|
|
"""
|
||
|
|
Retrieves the console output for the instance.
|
||
|
|
|
||
|
|
:rtype: :class:`boto.ec2.instance.ConsoleOutput`
|
||
|
|
:return: The console output as a ConsoleOutput object
|
||
|
|
"""
|
||
|
|
return self.connection.get_console_output(self.id, dry_run=dry_run)
|
||
|
|
|
||
|
|
def confirm_product(self, product_code, dry_run=False):
|
||
|
|
return self.connection.confirm_product_instance(
|
||
|
|
self.id,
|
||
|
|
product_code,
|
||
|
|
dry_run=dry_run
|
||
|
|
)
|
||
|
|
|
||
|
|
def use_ip(self, ip_address, dry_run=False):
|
||
|
|
"""
|
||
|
|
Associates an Elastic IP to the instance.
|
||
|
|
|
||
|
|
:type ip_address: Either an instance of
|
||
|
|
:class:`boto.ec2.address.Address` or a string.
|
||
|
|
:param ip_address: The IP address to associate
|
||
|
|
with the instance.
|
||
|
|
|
||
|
|
:rtype: bool
|
||
|
|
:return: True if successful
|
||
|
|
"""
|
||
|
|
|
||
|
|
if isinstance(ip_address, Address):
|
||
|
|
ip_address = ip_address.public_ip
|
||
|
|
return self.connection.associate_address(
|
||
|
|
self.id,
|
||
|
|
ip_address,
|
||
|
|
dry_run=dry_run
|
||
|
|
)
|
||
|
|
|
||
|
|
def monitor(self, dry_run=False):
|
||
|
|
return self.connection.monitor_instance(self.id, dry_run=dry_run)
|
||
|
|
|
||
|
|
def unmonitor(self, dry_run=False):
|
||
|
|
return self.connection.unmonitor_instance(self.id, dry_run=dry_run)
|
||
|
|
|
||
|
|
def get_attribute(self, attribute, dry_run=False):
|
||
|
|
"""
|
||
|
|
Gets an attribute from this instance.
|
||
|
|
|
||
|
|
:type attribute: string
|
||
|
|
:param attribute: The attribute you need information about
|
||
|
|
Valid choices are:
|
||
|
|
|
||
|
|
* instanceType
|
||
|
|
* kernel
|
||
|
|
* ramdisk
|
||
|
|
* userData
|
||
|
|
* disableApiTermination
|
||
|
|
* instanceInitiatedShutdownBehavior
|
||
|
|
* rootDeviceName
|
||
|
|
* blockDeviceMapping
|
||
|
|
* productCodes
|
||
|
|
* sourceDestCheck
|
||
|
|
* groupSet
|
||
|
|
* ebsOptimized
|
||
|
|
|
||
|
|
:rtype: :class:`boto.ec2.image.InstanceAttribute`
|
||
|
|
:return: An InstanceAttribute object representing the value of the
|
||
|
|
attribute requested
|
||
|
|
"""
|
||
|
|
return self.connection.get_instance_attribute(
|
||
|
|
self.id,
|
||
|
|
attribute,
|
||
|
|
dry_run=dry_run
|
||
|
|
)
|
||
|
|
|
||
|
|
def modify_attribute(self, attribute, value, dry_run=False):
|
||
|
|
"""
|
||
|
|
Changes an attribute of this instance
|
||
|
|
|
||
|
|
:type attribute: string
|
||
|
|
:param attribute: The attribute you wish to change.
|
||
|
|
|
||
|
|
* instanceType - A valid instance type (m1.small)
|
||
|
|
* kernel - Kernel ID (None)
|
||
|
|
* ramdisk - Ramdisk ID (None)
|
||
|
|
* userData - Base64 encoded String (None)
|
||
|
|
* disableApiTermination - Boolean (true)
|
||
|
|
* instanceInitiatedShutdownBehavior - stop|terminate
|
||
|
|
* sourceDestCheck - Boolean (true)
|
||
|
|
* groupSet - Set of Security Groups or IDs
|
||
|
|
* ebsOptimized - Boolean (false)
|
||
|
|
|
||
|
|
:type value: string
|
||
|
|
:param value: The new value for the attribute
|
||
|
|
|
||
|
|
:rtype: bool
|
||
|
|
:return: Whether the operation succeeded or not
|
||
|
|
"""
|
||
|
|
return self.connection.modify_instance_attribute(
|
||
|
|
self.id,
|
||
|
|
attribute,
|
||
|
|
value,
|
||
|
|
dry_run=dry_run
|
||
|
|
)
|
||
|
|
|
||
|
|
def reset_attribute(self, attribute, dry_run=False):
|
||
|
|
"""
|
||
|
|
Resets an attribute of this instance to its default value.
|
||
|
|
|
||
|
|
:type attribute: string
|
||
|
|
:param attribute: The attribute to reset. Valid values are:
|
||
|
|
kernel|ramdisk
|
||
|
|
|
||
|
|
:rtype: bool
|
||
|
|
:return: Whether the operation succeeded or not
|
||
|
|
"""
|
||
|
|
return self.connection.reset_instance_attribute(
|
||
|
|
self.id,
|
||
|
|
attribute,
|
||
|
|
dry_run=dry_run
|
||
|
|
)
|
||
|
|
|
||
|
|
def create_image(self, name, description=None, no_reboot=False,
|
||
|
|
dry_run=False):
|
||
|
|
"""
|
||
|
|
Will create an AMI from the instance in the running or stopped
|
||
|
|
state.
|
||
|
|
|
||
|
|
:type name: string
|
||
|
|
:param name: The name of the new image
|
||
|
|
|
||
|
|
:type description: string
|
||
|
|
:param description: An optional human-readable string describing
|
||
|
|
the contents and purpose of the AMI.
|
||
|
|
|
||
|
|
:type no_reboot: bool
|
||
|
|
:param no_reboot: An optional flag indicating that the bundling process
|
||
|
|
should not attempt to shutdown the instance before
|
||
|
|
bundling. If this flag is True, the responsibility
|
||
|
|
of maintaining file system integrity is left to the
|
||
|
|
owner of the instance.
|
||
|
|
|
||
|
|
:rtype: string
|
||
|
|
:return: The new image id
|
||
|
|
"""
|
||
|
|
return self.connection.create_image(
|
||
|
|
self.id,
|
||
|
|
name,
|
||
|
|
description,
|
||
|
|
no_reboot,
|
||
|
|
dry_run=dry_run
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class ConsoleOutput(object):
|
||
|
|
def __init__(self, parent=None):
|
||
|
|
self.parent = parent
|
||
|
|
self.instance_id = None
|
||
|
|
self.timestamp = None
|
||
|
|
self.output = None
|
||
|
|
|
||
|
|
def startElement(self, name, attrs, connection):
|
||
|
|
return None
|
||
|
|
|
||
|
|
def endElement(self, name, value, connection):
|
||
|
|
if name == 'instanceId':
|
||
|
|
self.instance_id = value
|
||
|
|
elif name == 'timestamp':
|
||
|
|
self.timestamp = value
|
||
|
|
elif name == 'output':
|
||
|
|
self.output = base64.b64decode(value)
|
||
|
|
else:
|
||
|
|
setattr(self, name, value)
|
||
|
|
|
||
|
|
|
||
|
|
class InstanceAttribute(dict):
|
||
|
|
ValidValues = ['instanceType', 'kernel', 'ramdisk', 'userData',
|
||
|
|
'disableApiTermination',
|
||
|
|
'instanceInitiatedShutdownBehavior',
|
||
|
|
'rootDeviceName', 'blockDeviceMapping', 'sourceDestCheck',
|
||
|
|
'groupSet']
|
||
|
|
|
||
|
|
def __init__(self, parent=None):
|
||
|
|
dict.__init__(self)
|
||
|
|
self.instance_id = None
|
||
|
|
self.request_id = None
|
||
|
|
self._current_value = None
|
||
|
|
|
||
|
|
def startElement(self, name, attrs, connection):
|
||
|
|
if name == 'blockDeviceMapping':
|
||
|
|
self[name] = BlockDeviceMapping()
|
||
|
|
return self[name]
|
||
|
|
elif name == 'groupSet':
|
||
|
|
self[name] = ResultSet([('item', Group)])
|
||
|
|
return self[name]
|
||
|
|
else:
|
||
|
|
return None
|
||
|
|
|
||
|
|
def endElement(self, name, value, connection):
|
||
|
|
if name == 'instanceId':
|
||
|
|
self.instance_id = value
|
||
|
|
elif name == 'requestId':
|
||
|
|
self.request_id = value
|
||
|
|
elif name == 'value':
|
||
|
|
if value == 'true':
|
||
|
|
value = True
|
||
|
|
elif value == 'false':
|
||
|
|
value = False
|
||
|
|
self._current_value = value
|
||
|
|
elif name in self.ValidValues:
|
||
|
|
self[name] = self._current_value
|
||
|
|
|
||
|
|
|
||
|
|
class SubParse(dict):
|
||
|
|
def __init__(self, section, parent=None):
|
||
|
|
dict.__init__(self)
|
||
|
|
self.section = section
|
||
|
|
|
||
|
|
def startElement(self, name, attrs, connection):
|
||
|
|
return None
|
||
|
|
|
||
|
|
def endElement(self, name, value, connection):
|
||
|
|
if name != self.section:
|
||
|
|
self[name] = value
|