mirror of
https://github.com/SickGear/SickGear.git
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395 lines
14 KiB
Python
395 lines
14 KiB
Python
# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
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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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High-level abstraction of an EC2 server
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"""
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import boto
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import boto.utils
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from boto.compat import StringIO
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from boto.mashups.iobject import IObject
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from boto.pyami.config import Config, BotoConfigPath
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from boto.mashups.interactive import interactive_shell
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from boto.sdb.db.model import Model
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from boto.sdb.db.property import StringProperty
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import os
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class ServerSet(list):
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def __getattr__(self, name):
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results = []
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is_callable = False
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for server in self:
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try:
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val = getattr(server, name)
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if callable(val):
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is_callable = True
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results.append(val)
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except:
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results.append(None)
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if is_callable:
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self.map_list = results
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return self.map
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return results
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def map(self, *args):
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results = []
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for fn in self.map_list:
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results.append(fn(*args))
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return results
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class Server(Model):
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@property
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def ec2(self):
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if self._ec2 is None:
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self._ec2 = boto.connect_ec2()
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return self._ec2
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@classmethod
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def Inventory(cls):
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"""
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Returns a list of Server instances, one for each Server object
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persisted in the db
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"""
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l = ServerSet()
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rs = cls.find()
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for server in rs:
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l.append(server)
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return l
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@classmethod
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def Register(cls, name, instance_id, description=''):
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s = cls()
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s.name = name
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s.instance_id = instance_id
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s.description = description
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s.save()
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return s
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def __init__(self, id=None, **kw):
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super(Server, self).__init__(id, **kw)
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self._reservation = None
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self._instance = None
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self._ssh_client = None
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self._pkey = None
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self._config = None
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self._ec2 = None
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name = StringProperty(unique=True, verbose_name="Name")
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instance_id = StringProperty(verbose_name="Instance ID")
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config_uri = StringProperty()
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ami_id = StringProperty(verbose_name="AMI ID")
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zone = StringProperty(verbose_name="Availability Zone")
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security_group = StringProperty(verbose_name="Security Group", default="default")
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key_name = StringProperty(verbose_name="Key Name")
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elastic_ip = StringProperty(verbose_name="Elastic IP")
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instance_type = StringProperty(verbose_name="Instance Type")
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description = StringProperty(verbose_name="Description")
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log = StringProperty()
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def setReadOnly(self, value):
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raise AttributeError
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def getInstance(self):
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if not self._instance:
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if self.instance_id:
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try:
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rs = self.ec2.get_all_reservations([self.instance_id])
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except:
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return None
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if len(rs) > 0:
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self._reservation = rs[0]
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self._instance = self._reservation.instances[0]
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return self._instance
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instance = property(getInstance, setReadOnly, None, 'The Instance for the server')
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def getAMI(self):
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if self.instance:
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return self.instance.image_id
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ami = property(getAMI, setReadOnly, None, 'The AMI for the server')
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def getStatus(self):
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if self.instance:
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self.instance.update()
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return self.instance.state
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status = property(getStatus, setReadOnly, None,
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'The status of the server')
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def getHostname(self):
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if self.instance:
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return self.instance.public_dns_name
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hostname = property(getHostname, setReadOnly, None,
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'The public DNS name of the server')
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def getPrivateHostname(self):
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if self.instance:
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return self.instance.private_dns_name
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private_hostname = property(getPrivateHostname, setReadOnly, None,
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'The private DNS name of the server')
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def getLaunchTime(self):
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if self.instance:
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return self.instance.launch_time
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launch_time = property(getLaunchTime, setReadOnly, None,
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'The time the Server was started')
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def getConsoleOutput(self):
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if self.instance:
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return self.instance.get_console_output()
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console_output = property(getConsoleOutput, setReadOnly, None,
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'Retrieve the console output for server')
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def getGroups(self):
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if self._reservation:
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return self._reservation.groups
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else:
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return None
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groups = property(getGroups, setReadOnly, None,
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'The Security Groups controlling access to this server')
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def getConfig(self):
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if not self._config:
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remote_file = BotoConfigPath
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local_file = '%s.ini' % self.instance.id
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self.get_file(remote_file, local_file)
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self._config = Config(local_file)
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return self._config
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def setConfig(self, config):
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local_file = '%s.ini' % self.instance.id
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fp = open(local_file)
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config.write(fp)
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fp.close()
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self.put_file(local_file, BotoConfigPath)
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self._config = config
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config = property(getConfig, setConfig, None,
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'The instance data for this server')
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def set_config(self, config):
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"""
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Set SDB based config
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"""
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self._config = config
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self._config.dump_to_sdb("botoConfigs", self.id)
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def load_config(self):
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self._config = Config(do_load=False)
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self._config.load_from_sdb("botoConfigs", self.id)
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def stop(self):
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if self.instance:
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self.instance.stop()
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def start(self):
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self.stop()
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ec2 = boto.connect_ec2()
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ami = ec2.get_all_images(image_ids = [str(self.ami_id)])[0]
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groups = ec2.get_all_security_groups(groupnames=[str(self.security_group)])
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if not self._config:
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self.load_config()
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if not self._config.has_section("Credentials"):
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self._config.add_section("Credentials")
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self._config.set("Credentials", "aws_access_key_id", ec2.aws_access_key_id)
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self._config.set("Credentials", "aws_secret_access_key", ec2.aws_secret_access_key)
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if not self._config.has_section("Pyami"):
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self._config.add_section("Pyami")
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if self._manager.domain:
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self._config.set('Pyami', 'server_sdb_domain', self._manager.domain.name)
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self._config.set("Pyami", 'server_sdb_name', self.name)
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cfg = StringIO()
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self._config.write(cfg)
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cfg = cfg.getvalue()
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r = ami.run(min_count=1,
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max_count=1,
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key_name=self.key_name,
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security_groups = groups,
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instance_type = self.instance_type,
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placement = self.zone,
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user_data = cfg)
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i = r.instances[0]
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self.instance_id = i.id
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self.put()
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if self.elastic_ip:
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ec2.associate_address(self.instance_id, self.elastic_ip)
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def reboot(self):
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if self.instance:
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self.instance.reboot()
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def get_ssh_client(self, key_file=None, host_key_file='~/.ssh/known_hosts',
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uname='root'):
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import paramiko
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if not self.instance:
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print('No instance yet!')
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return
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if not self._ssh_client:
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if not key_file:
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iobject = IObject()
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key_file = iobject.get_filename('Path to OpenSSH Key file')
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self._pkey = paramiko.RSAKey.from_private_key_file(key_file)
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self._ssh_client = paramiko.SSHClient()
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self._ssh_client.load_system_host_keys()
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self._ssh_client.load_host_keys(os.path.expanduser(host_key_file))
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self._ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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self._ssh_client.connect(self.instance.public_dns_name,
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username=uname, pkey=self._pkey)
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return self._ssh_client
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def get_file(self, remotepath, localpath):
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ssh_client = self.get_ssh_client()
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sftp_client = ssh_client.open_sftp()
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sftp_client.get(remotepath, localpath)
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def put_file(self, localpath, remotepath):
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ssh_client = self.get_ssh_client()
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sftp_client = ssh_client.open_sftp()
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sftp_client.put(localpath, remotepath)
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def listdir(self, remotepath):
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ssh_client = self.get_ssh_client()
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sftp_client = ssh_client.open_sftp()
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return sftp_client.listdir(remotepath)
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def shell(self, key_file=None):
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ssh_client = self.get_ssh_client(key_file)
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channel = ssh_client.invoke_shell()
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interactive_shell(channel)
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def bundle_image(self, prefix, key_file, cert_file, size):
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print('bundling image...')
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print('\tcopying cert and pk over to /mnt directory on server')
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ssh_client = self.get_ssh_client()
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sftp_client = ssh_client.open_sftp()
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path, name = os.path.split(key_file)
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remote_key_file = '/mnt/%s' % name
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self.put_file(key_file, remote_key_file)
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path, name = os.path.split(cert_file)
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remote_cert_file = '/mnt/%s' % name
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self.put_file(cert_file, remote_cert_file)
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print('\tdeleting %s' % BotoConfigPath)
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# delete the metadata.ini file if it exists
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try:
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sftp_client.remove(BotoConfigPath)
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except:
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pass
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command = 'sudo ec2-bundle-vol '
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command += '-c %s -k %s ' % (remote_cert_file, remote_key_file)
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command += '-u %s ' % self._reservation.owner_id
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command += '-p %s ' % prefix
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command += '-s %d ' % size
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command += '-d /mnt '
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if self.instance.instance_type == 'm1.small' or self.instance_type == 'c1.medium':
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command += '-r i386'
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else:
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command += '-r x86_64'
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print('\t%s' % command)
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t = ssh_client.exec_command(command)
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response = t[1].read()
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print('\t%s' % response)
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print('\t%s' % t[2].read())
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print('...complete!')
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def upload_bundle(self, bucket, prefix):
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print('uploading bundle...')
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command = 'ec2-upload-bundle '
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command += '-m /mnt/%s.manifest.xml ' % prefix
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command += '-b %s ' % bucket
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command += '-a %s ' % self.ec2.aws_access_key_id
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command += '-s %s ' % self.ec2.aws_secret_access_key
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print('\t%s' % command)
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ssh_client = self.get_ssh_client()
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t = ssh_client.exec_command(command)
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response = t[1].read()
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print('\t%s' % response)
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print('\t%s' % t[2].read())
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print('...complete!')
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def create_image(self, bucket=None, prefix=None, key_file=None, cert_file=None, size=None):
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iobject = IObject()
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if not bucket:
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bucket = iobject.get_string('Name of S3 bucket')
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if not prefix:
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prefix = iobject.get_string('Prefix for AMI file')
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if not key_file:
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key_file = iobject.get_filename('Path to RSA private key file')
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if not cert_file:
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cert_file = iobject.get_filename('Path to RSA public cert file')
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if not size:
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size = iobject.get_int('Size (in MB) of bundled image')
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self.bundle_image(prefix, key_file, cert_file, size)
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self.upload_bundle(bucket, prefix)
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print('registering image...')
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self.image_id = self.ec2.register_image('%s/%s.manifest.xml' % (bucket, prefix))
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return self.image_id
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def attach_volume(self, volume, device="/dev/sdp"):
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"""
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Attach an EBS volume to this server
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:param volume: EBS Volume to attach
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:type volume: boto.ec2.volume.Volume
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:param device: Device to attach to (default to /dev/sdp)
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:type device: string
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"""
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if hasattr(volume, "id"):
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volume_id = volume.id
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else:
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volume_id = volume
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return self.ec2.attach_volume(volume_id=volume_id, instance_id=self.instance_id, device=device)
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def detach_volume(self, volume):
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"""
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Detach an EBS volume from this server
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:param volume: EBS Volume to detach
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:type volume: boto.ec2.volume.Volume
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"""
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if hasattr(volume, "id"):
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volume_id = volume.id
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else:
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volume_id = volume
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return self.ec2.detach_volume(volume_id=volume_id, instance_id=self.instance_id)
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def install_package(self, package_name):
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print('installing %s...' % package_name)
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command = 'yum -y install %s' % package_name
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print('\t%s' % command)
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ssh_client = self.get_ssh_client()
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t = ssh_client.exec_command(command)
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response = t[1].read()
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print('\t%s' % response)
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print('\t%s' % t[2].read())
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print('...complete!')
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