139 lines
5.6 KiB
Python
Executable File
139 lines
5.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2009 Chris Moyer http://coredumped.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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#
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# Utility to launch an EC2 Instance
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#
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VERSION="0.1"
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import boto.pyami.config
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from boto.utils import fetch_file
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import re, os
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import ConfigParser
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class Config(boto.pyami.config.Config):
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"""A special config class that also adds import abilities
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Directly in the config file. To have a config file import
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another config file, simply use "#import <path>" where <path>
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is either a relative path or a full URL to another config
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"""
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def __init__(self):
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ConfigParser.SafeConfigParser.__init__(self, {'working_dir' : '/mnt/pyami', 'debug' : '0'})
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def add_config(self, file_url):
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"""Add a config file to this configuration
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:param file_url: URL for the file to add, or a local path
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:type file_url: str
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"""
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if not re.match("^([a-zA-Z0-9]*:\/\/)(.*)", file_url):
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if not file_url.startswith("/"):
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file_url = os.path.join(os.getcwd(), file_url)
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file_url = "file://%s" % file_url
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(base_url, file_name) = file_url.rsplit("/", 1)
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base_config = fetch_file(file_url)
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base_config.seek(0)
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for line in base_config.readlines():
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match = re.match("^#import[\s\t]*([^\s^\t]*)[\s\t]*$", line)
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if match:
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self.add_config("%s/%s" % (base_url, match.group(1)))
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base_config.seek(0)
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self.readfp(base_config)
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def add_creds(self, ec2):
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"""Add the credentials to this config if they don't already exist"""
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if not self.has_section('Credentials'):
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self.add_section('Credentials')
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self.set('Credentials', 'aws_access_key_id', ec2.aws_access_key_id)
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self.set('Credentials', 'aws_secret_access_key', ec2.aws_secret_access_key)
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def __str__(self):
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"""Get config as string"""
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from StringIO import StringIO
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s = StringIO()
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self.write(s)
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return s.getvalue()
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if __name__ == "__main__":
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try:
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import readline
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except ImportError:
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pass
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import boto
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from optparse import OptionParser
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from boto.mashups.iobject import IObject
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parser = OptionParser(version=VERSION, usage="%prog [options] config_url")
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parser.add_option("-c", "--max-count", help="Maximum number of this type of instance to launch", dest="max_count", default="1")
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parser.add_option("--min-count", help="Minimum number of this type of instance to launch", dest="min_count", default="1")
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parser.add_option("-g", "--groups", help="Security Groups to add this instance to", action="append", dest="groups")
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parser.add_option("-a", "--ami", help="AMI to launch", dest="ami_id")
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parser.add_option("-t", "--type", help="Type of Instance (default m1.small)", dest="type", default="m1.small")
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parser.add_option("-k", "--key", help="Keypair", dest="key_name")
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parser.add_option("-z", "--zone", help="Zone (default us-east-1a)", dest="zone", default="us-east-1a")
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parser.add_option("-i", "--ip", help="Elastic IP", dest="elastic_ip")
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parser.add_option("-n", "--no-add-cred", help="Don't add a credentials section", default=False, action="store_true", dest="nocred")
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(options, args) = parser.parse_args()
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if len(args) < 1:
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import sys
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parser.print_help()
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sys.exit(1)
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file_url = os.path.expanduser(args[0])
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ec2 = boto.connect_ec2()
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cfg = Config()
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cfg.add_config(file_url)
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if not options.nocred:
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cfg.add_creds(ec2)
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iobj = IObject()
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if options.ami_id:
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ami = ec2.get_image(options.ami_id)
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else:
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ami_id = options.ami_id
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l = [(a, a.id, a.location) for a in ec2.get_all_images()]
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ami = iobj.choose_from_list(l, prompt='Choose AMI')
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if options.key_name:
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key_name = options.key_name
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else:
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l = [(k, k.name, '') for k in ec2.get_all_key_pairs()]
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key_name = iobj.choose_from_list(l, prompt='Choose Keypair').name
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if options.groups:
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groups = options.groups
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else:
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groups = []
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l = [(g, g.name, g.description) for g in ec2.get_all_security_groups()]
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g = iobj.choose_from_list(l, prompt='Choose Primary Security Group')
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while g != None:
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groups.append(g)
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l.remove((g, g.name, g.description))
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g = iobj.choose_from_list(l, prompt='Choose Additional Security Group (0 to quit)')
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r = ami.run(min_count=int(options.min_count), max_count=int(options.max_count),
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key_name=key_name, user_data=str(cfg),
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security_groups=groups, instance_type=options.type,
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placement=options.zone)
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