Scripts to download files from google storage based on sha1 sums

third_party/gsutil/boto/ec2/image.py

+# Copyright (c) 2006-2010 Mitch Garnaat http://garnaat.org/
+# Copyright (c) 2010, Eucalyptus Systems, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish, dis-
+# tribute, sublicense, and/or sell copies of the Software, and to permit
+# persons to whom the Software is furnished to do so, subject to the fol-
+# lowing conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
+# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+from boto.ec2.ec2object import EC2Object, TaggedEC2Object
+from boto.ec2.blockdevicemapping import BlockDeviceMapping
+
+class ProductCodes(list):
+
+    def startElement(self, name, attrs, connection):
+        pass
+
+    def endElement(self, name, value, connection):
+        if name == 'productCode':
+            self.append(value)
+    
+class Image(TaggedEC2Object):
+    """
+    Represents an EC2 Image
+    """
+    
+    def __init__(self, connection=None):
+        TaggedEC2Object.__init__(self, connection)
+        self.id = None
+        self.location = None
+        self.state = None
+        self.ownerId = None  # for backwards compatibility
+        self.owner_id = None
+        self.owner_alias = None
+        self.is_public = False
+        self.architecture = None
+        self.platform = None
+        self.type = None
+        self.kernel_id = None
+        self.ramdisk_id = None
+        self.name = None
+        self.description = None
+        self.product_codes = ProductCodes()
+        self.block_device_mapping = None
+        self.root_device_type = None
+        self.root_device_name = None
+        self.virtualization_type = None
+        self.hypervisor = None
+        self.instance_lifecycle = None
+
+    def __repr__(self):
+        return 'Image:%s' % self.id
+
+    def startElement(self, name, attrs, connection):
+        retval = TaggedEC2Object.startElement(self, name, attrs, connection)
+        if retval is not None:
+            return retval
+        if name == 'blockDeviceMapping':
+            self.block_device_mapping = BlockDeviceMapping()
+            return self.block_device_mapping
+        elif name == 'productCodes':
+            return self.product_codes
+        else:
+            return None
+
+    def endElement(self, name, value, connection):
+        if name == 'imageId':
+            self.id = value
+        elif name == 'imageLocation':
+            self.location = value
+        elif name == 'imageState':
+            self.state = value
+        elif name == 'imageOwnerId':
+            self.ownerId = value # for backwards compatibility
+            self.owner_id = value
+        elif name == 'isPublic':
+            if value == 'false':
+                self.is_public = False
+            elif value == 'true':
+                self.is_public = True
+            else:
+                raise Exception(
+                    'Unexpected value of isPublic %s for image %s'%(
+                        value, 
+                        self.id
+                    )
+                )
+        elif name == 'architecture':
+            self.architecture = value
+        elif name == 'imageType':
+            self.type = value
+        elif name == 'kernelId':
+            self.kernel_id = value
+        elif name == 'ramdiskId':
+            self.ramdisk_id = value
+        elif name == 'imageOwnerAlias':
+            self.owner_alias = value
+        elif name == 'platform':
+            self.platform = value
+        elif name == 'name':
+            self.name = value
+        elif name == 'description':
+            self.description = value
+        elif name == 'rootDeviceType':
+            self.root_device_type = value
+        elif name == 'rootDeviceName':
+            self.root_device_name = value
+        elif name == 'virtualizationType':
+            self.virtualization_type = value
+        elif name == 'hypervisor':
+            self.hypervisor = value
+        elif name == 'instanceLifecycle':
+            self.instance_lifecycle = value
+        else:
+            setattr(self, name, value)
+
+    def _update(self, updated):
+        self.__dict__.update(updated.__dict__)
+
+    def update(self, validate=False):
+        """
+        Update the image's state information by making a call to fetch
+        the current image attributes from the service.
+
+        :type validate: bool
+        :param validate: By default, if EC2 returns no data about the
+                         image 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_images([self.id])
+        if len(rs) > 0:
+            img = rs[0]
+            if img.id == self.id:
+                self._update(img)
+        elif validate:
+            raise ValueError('%s is not a valid Image ID' % self.id)
+        return self.state
+
+    def run(self, min_count=1, max_count=1, key_name=None, 
+            security_groups=None, user_data=None,
+            addressing_type=None, instance_type='m1.small', placement=None,
+            kernel_id=None, ramdisk_id=None,
+            monitoring_enabled=False, subnet_id=None,
+            block_device_map=None,
+            disable_api_termination=False,
+            instance_initiated_shutdown_behavior=None,
+            private_ip_address=None,
+            placement_group=None, security_group_ids=None,
+            additional_info=None, instance_profile_name=None,
+            instance_profile_arn=None, tenancy=None):
+
+        """
+        Runs this instance.
+        
+        :type min_count: int
+        :param min_count: The minimum number of instances to start
+        
+        :type max_count: int
+        :param max_count: The maximum number of instances to start
+        
+        :type key_name: string
+        :param key_name: The name of the keypair to run this instance with.
+        
+        :type security_groups: 
+        :param security_groups:
+        
+        :type user_data: 
+        :param user_data:
+        
+        :type addressing_type: 
+        :param daddressing_type:
+        
+        :type instance_type: string
+        :param instance_type: The type of instance to run.  Current choices are:
+                              m1.small | m1.large | m1.xlarge | c1.medium |
+                              c1.xlarge | m2.xlarge | m2.2xlarge |
+                              m2.4xlarge | cc1.4xlarge
+        
+        :type placement: string
+        :param placement: The availability zone in which to launch the instances
+
+        :type kernel_id: string
+        :param kernel_id: The ID of the kernel with which to launch the instances
+        
+        :type ramdisk_id: string
+        :param ramdisk_id: The ID of the RAM disk with which to launch the instances
+        
+        :type monitoring_enabled: bool
+        :param monitoring_enabled: Enable CloudWatch monitoring on the instance.
+        
+        :type subnet_id: string
+        :param subnet_id: The subnet ID within which to launch the instances for VPC.
+        
+        :type private_ip_address: string
+        :param private_ip_address: If you're using VPC, you can optionally use
+                                   this parameter to assign the instance a
+                                   specific available IP address from the
+                                   subnet (e.g., 10.0.0.25).
+
+        :type block_device_map: :class:`boto.ec2.blockdevicemapping.BlockDeviceMapping`
+        :param block_device_map: A BlockDeviceMapping data structure
+                                 describing the EBS volumes associated
+                                 with the Image.
+
+        :type disable_api_termination: bool
+        :param disable_api_termination: If True, the instances will be locked
+                                        and will not be able to be terminated
+                                        via the API.
+
+        :type instance_initiated_shutdown_behavior: string
+        :param instance_initiated_shutdown_behavior: Specifies whether the instance
+                                                     stops or terminates on instance-initiated
+                                                     shutdown. Valid values are:
+                                                     stop | terminate
+
+        :type placement_group: string
+        :param placement_group: If specified, this is the name of the placement
+                                group in which the instance(s) will be launched.
+
+        :type additional_info: string
+        :param additional_info:  Specifies additional information to make
+            available to the instance(s)
+
+        :type security_group_ids: 
+        :param security_group_ids:
+
+        :type instance_profile_name: string
+        :param instance_profile_name: The name of an IAM instance profile to use.
+
+        :type instance_profile_arn: string
+        :param instance_profile_arn: The ARN of an IAM instance profile to use.
+        
+        :type tenancy: string
+        :param tenancy: The tenancy of the instance you want to launch. An
+                        instance with a tenancy of 'dedicated' runs on
+                        single-tenant hardware and can only be launched into a
+                        VPC. Valid values are: "default" or "dedicated".
+                        NOTE: To use dedicated tenancy you MUST specify a VPC
+                        subnet-ID as well.
+
+        :rtype: Reservation
+        :return: The :class:`boto.ec2.instance.Reservation` associated with the request for machines
+
+        """
+
+        return self.connection.run_instances(self.id, min_count, max_count,
+                                             key_name, security_groups,
+                                             user_data, addressing_type,
+                                             instance_type, placement,
+                                             kernel_id, ramdisk_id,
+                                             monitoring_enabled, subnet_id,
+                                             block_device_map, disable_api_termination,
+                                             instance_initiated_shutdown_behavior,
+                                             private_ip_address, placement_group, 
+                                             security_group_ids=security_group_ids,
+                                             additional_info=additional_info, 
+                                             instance_profile_name=instance_profile_name,
+                                             instance_profile_arn=instance_profile_arn,
+                                             tenancy=tenancy)
+
+    def deregister(self, delete_snapshot=False):
+        return self.connection.deregister_image(self.id, delete_snapshot)
+
+    def get_launch_permissions(self):
+        img_attrs = self.connection.get_image_attribute(self.id,
+                                                        'launchPermission')
+        return img_attrs.attrs
+
+    def set_launch_permissions(self, user_ids=None, group_names=None):
+        return self.connection.modify_image_attribute(self.id,
+                                                      'launchPermission',
+                                                      'add',
+                                                      user_ids,
+                                                      group_names)
+
+    def remove_launch_permissions(self, user_ids=None, group_names=None):
+        return self.connection.modify_image_attribute(self.id,
+                                                      'launchPermission',
+                                                      'remove',
+                                                      user_ids,
+                                                      group_names)
+
+    def reset_launch_attributes(self):
+        return self.connection.reset_image_attribute(self.id,
+                                                     'launchPermission')
+
+    def get_kernel(self):
+        img_attrs =self.connection.get_image_attribute(self.id, 'kernel')
+        return img_attrs.kernel
+
+    def get_ramdisk(self):
+        img_attrs = self.connection.get_image_attribute(self.id, 'ramdisk')
+        return img_attrs.ramdisk
+
+class ImageAttribute:
+
+    def __init__(self, parent=None):
+        self.name = None
+        self.kernel = None
+        self.ramdisk = None
+        self.attrs = {}
+
+    def startElement(self, name, attrs, connection):
+        if name == 'blockDeviceMapping':
+            self.attrs['block_device_mapping'] = BlockDeviceMapping()
+            return self.attrs['block_device_mapping']
+        else:
+            return None
+
+    def endElement(self, name, value, connection):
+        if name == 'launchPermission':
+            self.name = 'launch_permission'
+        elif name == 'group':
+            if 'groups' in self.attrs:
+                self.attrs['groups'].append(value)
+            else:
+                self.attrs['groups'] = [value]
+        elif name == 'userId':
+            if 'user_ids' in self.attrs:
+                self.attrs['user_ids'].append(value)
+            else:
+                self.attrs['user_ids'] = [value]
+        elif name == 'productCode':
+            if 'product_codes' in self.attrs:
+                self.attrs['product_codes'].append(value)
+            else:
+                self.attrs['product_codes'] = [value]
+        elif name == 'imageId':
+            self.image_id = value
+        elif name == 'kernel':
+            self.kernel = value
+        elif name == 'ramdisk':
+            self.ramdisk = value
+        else:
+            setattr(self, name, value)