/boto-2.5.2/boto/mashups/order.py
Python | 211 lines | 173 code | 15 blank | 23 comment | 20 complexity | fa5bca9d67ad4de609164ca6edd404f0 MD5 | raw file
- # Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
- #
- # 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.
- """
- High-level abstraction of an EC2 order for servers
- """
- import boto
- import boto.ec2
- from boto.mashups.server import Server, ServerSet
- from boto.mashups.iobject import IObject
- from boto.pyami.config import Config
- from boto.sdb.persist import get_domain, set_domain
- import time, StringIO
- InstanceTypes = ['m1.small', 'm1.large', 'm1.xlarge', 'c1.medium', 'c1.xlarge']
- class Item(IObject):
-
- def __init__(self):
- self.region = None
- self.name = None
- self.instance_type = None
- self.quantity = 0
- self.zone = None
- self.ami = None
- self.groups = []
- self.key = None
- self.ec2 = None
- self.config = None
- def set_userdata(self, key, value):
- self.userdata[key] = value
- def get_userdata(self, key):
- return self.userdata[key]
- def set_region(self, region=None):
- if region:
- self.region = region
- else:
- l = [(r, r.name, r.endpoint) for r in boto.ec2.regions()]
- self.region = self.choose_from_list(l, prompt='Choose Region')
- def set_name(self, name=None):
- if name:
- self.name = name
- else:
- self.name = self.get_string('Name')
- def set_instance_type(self, instance_type=None):
- if instance_type:
- self.instance_type = instance_type
- else:
- self.instance_type = self.choose_from_list(InstanceTypes, 'Instance Type')
- def set_quantity(self, n=0):
- if n > 0:
- self.quantity = n
- else:
- self.quantity = self.get_int('Quantity')
- def set_zone(self, zone=None):
- if zone:
- self.zone = zone
- else:
- l = [(z, z.name, z.state) for z in self.ec2.get_all_zones()]
- self.zone = self.choose_from_list(l, prompt='Choose Availability Zone')
-
- def set_ami(self, ami=None):
- if ami:
- self.ami = ami
- else:
- l = [(a, a.id, a.location) for a in self.ec2.get_all_images()]
- self.ami = self.choose_from_list(l, prompt='Choose AMI')
- def add_group(self, group=None):
- if group:
- self.groups.append(group)
- else:
- l = [(s, s.name, s.description) for s in self.ec2.get_all_security_groups()]
- self.groups.append(self.choose_from_list(l, prompt='Choose Security Group'))
- def set_key(self, key=None):
- if key:
- self.key = key
- else:
- l = [(k, k.name, '') for k in self.ec2.get_all_key_pairs()]
- self.key = self.choose_from_list(l, prompt='Choose Keypair')
- def update_config(self):
- if not self.config.has_section('Credentials'):
- self.config.add_section('Credentials')
- self.config.set('Credentials', 'aws_access_key_id', self.ec2.aws_access_key_id)
- self.config.set('Credentials', 'aws_secret_access_key', self.ec2.aws_secret_access_key)
- if not self.config.has_section('Pyami'):
- self.config.add_section('Pyami')
- sdb_domain = get_domain()
- if sdb_domain:
- self.config.set('Pyami', 'server_sdb_domain', sdb_domain)
- self.config.set('Pyami', 'server_sdb_name', self.name)
- def set_config(self, config_path=None):
- if not config_path:
- config_path = self.get_filename('Specify Config file')
- self.config = Config(path=config_path)
- def get_userdata_string(self):
- s = StringIO.StringIO()
- self.config.write(s)
- return s.getvalue()
- def enter(self, **params):
- self.region = params.get('region', self.region)
- if not self.region:
- self.set_region()
- self.ec2 = self.region.connect()
- self.name = params.get('name', self.name)
- if not self.name:
- self.set_name()
- self.instance_type = params.get('instance_type', self.instance_type)
- if not self.instance_type:
- self.set_instance_type()
- self.zone = params.get('zone', self.zone)
- if not self.zone:
- self.set_zone()
- self.quantity = params.get('quantity', self.quantity)
- if not self.quantity:
- self.set_quantity()
- self.ami = params.get('ami', self.ami)
- if not self.ami:
- self.set_ami()
- self.groups = params.get('groups', self.groups)
- if not self.groups:
- self.add_group()
- self.key = params.get('key', self.key)
- if not self.key:
- self.set_key()
- self.config = params.get('config', self.config)
- if not self.config:
- self.set_config()
- self.update_config()
- class Order(IObject):
- def __init__(self):
- self.items = []
- self.reservation = None
- def add_item(self, **params):
- item = Item()
- item.enter(**params)
- self.items.append(item)
- def display(self):
- print 'This Order consists of the following items'
- print
- print 'QTY\tNAME\tTYPE\nAMI\t\tGroups\t\t\tKeyPair'
- for item in self.items:
- print '%s\t%s\t%s\t%s\t%s\t%s' % (item.quantity, item.name, item.instance_type,
- item.ami.id, item.groups, item.key.name)
- def place(self, block=True):
- if get_domain() == None:
- print 'SDB Persistence Domain not set'
- domain_name = self.get_string('Specify SDB Domain')
- set_domain(domain_name)
- s = ServerSet()
- for item in self.items:
- r = item.ami.run(min_count=1, max_count=item.quantity,
- key_name=item.key.name, user_data=item.get_userdata_string(),
- security_groups=item.groups, instance_type=item.instance_type,
- placement=item.zone.name)
- if block:
- states = [i.state for i in r.instances]
- if states.count('running') != len(states):
- print states
- time.sleep(15)
- states = [i.update() for i in r.instances]
- for i in r.instances:
- server = Server()
- server.name = item.name
- server.instance_id = i.id
- server.reservation = r
- server.save()
- s.append(server)
- if len(s) == 1:
- return s[0]
- else:
- return s
-
-