mirror of https://github.com/GNS3/gns3-server
Julien Duponchelle
10 years ago
parent
01ab91722b
commit
a3e4b81837
@ -1,5 +0,0 @@
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export OS_USERNAME=username
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export OS_PASSWORD=""
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export OS_TENANT_NAME=000000
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export OS_AUTH_URL=https://identity.api.rackspacecloud.com/v2.0/
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export OS_REGION_NAME=ord
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@ -1,243 +0,0 @@
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""" Create a new GNS3 Server Rackspace image with the provided options. """
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import argparse
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import getpass
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import os
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import sys
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import uuid
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from fabric.api import env
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from fabric.contrib.files import exists
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from github import Github
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from novaclient.v1_1 import client
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from string import Template
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from time import sleep
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POLL_SEC = 20
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GNS3_REPO = 'gns3/gns3-server'
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PLANC_REPO = 'planctechnologies/gns3-server'
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OS_AUTH_URL = 'https://identity.api.rackspacecloud.com/v2.0/'
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UBUNTU_BASE_ID = '5cc098a5-7286-4b96-b3a2-49f4c4f82537'
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def main():
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"""
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Get the user options and perform the image creation.
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Creates a new instance, installs the required software, creates an image
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from the instance, and then deletes the instance.
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"""
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github = Github()
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args = get_cli_args()
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if args.username:
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username = args.username
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else:
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if 'OS_USERNAME' in os.environ:
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username = os.environ.get('OS_USERNAME')
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else:
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username = raw_input('Enter Rackspace username: ')
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if args.password:
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password = args.password
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else:
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if 'OS_PASSWORD' in os.environ:
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password = os.environ.get('OS_PASSWORD')
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else:
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password = getpass.getpass('Enter Rackspace password: ')
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if args.tenant:
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tenant = args.tenant
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else:
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if 'OS_TENANT_NAME' in os.environ:
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tenant = os.environ.get('OS_TENANT_NAME')
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else:
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tenant = raw_input('Enter Rackspace Tenant ID: ')
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if args.region:
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region = args.region
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else:
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if 'OS_REGION_NAME' in os.environ:
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region = os.environ.get('OS_REGION_NAME')
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else:
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region = raw_input('Enter Rackspace Region Name: ')
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if args.source == 'release':
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# get the list of releases, present them to the user, save the url
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repo = github.get_repo(GNS3_REPO)
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keyword = "tag"
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i = 1
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branch_opts = {}
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for tag in repo.get_tags():
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branch_opts[i] = tag.name
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i += 1
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elif args.source == 'dev':
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# get the list of dev branches, present them to the user, save the url
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repo = github.get_repo(PLANC_REPO)
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keyword = "branch"
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i = 1
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branch_opts = {}
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for branch in repo.get_branches():
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branch_opts[i] = branch.name
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i += 1
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prompt_text = "Select a %s" % keyword
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selected_branch = prompt_user_select(branch_opts, prompt_text)
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if args.image_name:
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image_name = args.image_name
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else:
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image_name = "gns3-%s-%s-%s" % (args.source, selected_branch,
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uuid.uuid4().hex[0:4])
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if args.on_boot:
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on_boot = True
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else:
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on_boot = False
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startup_script = create_script(repo.svn_url, selected_branch, on_boot)
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server_name = uuid.uuid4().hex
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instance = create_instance(username, password, tenant, region, server_name,
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startup_script)
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passwd = uuid.uuid4().hex
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instance.change_password(passwd)
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# wait for the password change to be processed. Continuing while
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# a password change is processing will cause image creation to fail.
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sleep(POLL_SEC * 6)
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env.host_string = str(instance.accessIPv4)
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env.user = "root"
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env.password = passwd
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sys.stdout.write("Installing software...")
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sys.stdout.flush()
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while True:
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if exists('/tmp/gns-install-complete'):
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break
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sleep(POLL_SEC)
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sys.stdout.write(".")
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sys.stdout.flush()
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print("Done.")
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image_id = create_image(username, password, tenant, region, instance,
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image_name)
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instance.delete()
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def prompt_user_select(opts, text="Please select"):
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""" Ask the user to select an option from the provided list. """
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print("%s" % text)
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print("=" * len(text))
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for o in opts:
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print("(%s)\t%s" % (o, opts[o]))
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while True:
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selected = raw_input("Select: ")
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try:
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return opts[int(selected)]
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except (KeyError, ValueError):
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print("Invalid selection. Try again")
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def create_instance(username, password, tenant, region, server_name, script,
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auth_url=OS_AUTH_URL):
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""" Create a new instance. """
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sys.stdout.write("Creating instance...")
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sys.stdout.flush()
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nc = client.Client(username, password, tenant, auth_url,
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region_name=region)
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server = nc.servers.create(server_name, UBUNTU_BASE_ID, 2,
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config_drive=True, userdata=script)
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while True:
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server = nc.servers.get(server.id)
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if server.status == 'ACTIVE':
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break
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sleep(POLL_SEC)
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sys.stdout.write(".")
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sys.stdout.flush()
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print("Done.")
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return server
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def create_script(git_url, git_branch, on_boot):
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""" Create the start-up script. """
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script_template = Template(open('script_template', 'r').read())
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params = {'git_url': git_url, 'git_branch': git_branch, 'rc_local': ''}
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if on_boot:
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params['rc_local'] = "echo '/usr/local/bin/gns3-server' >> /etc/rc.local"
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return script_template.substitute(params)
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def create_image(username, password, tenant, region, server,
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image_name, auth_url=OS_AUTH_URL):
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""" Create a Rackspace image based on the server instance. """
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nc = client.Client(username, password, tenant, auth_url,
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region_name=region)
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sys.stdout.write("Creating image %s..." % image_name)
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sys.stdout.flush()
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image_id = server.create_image(image_name)
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while True:
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server = nc.servers.get(server.id)
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if getattr(server, 'OS-EXT-STS:task_state') is None:
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break
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sleep(POLL_SEC)
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sys.stdout.write(".")
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sys.stdout.flush()
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print("Done.")
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return image_id
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def get_cli_args():
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""" Parse the CLI input. """
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parser = argparse.ArgumentParser(
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description='Create a new GNS3 image',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument(
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'--rackspace_username', dest='username', action='store')
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parser.add_argument(
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'--rackspace_password', dest='password', action='store')
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parser.add_argument(
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'--rackspace_tenant', dest='tenant', action='store')
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parser.add_argument(
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'--rackspace_region', dest='region', action='store')
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parser.add_argument(
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'--source', dest='source', action='store', choices=['release', 'dev'],
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default='release', help='specify the gns3-server source location')
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parser.add_argument(
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'--branch', dest='branch', action='store',
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help='specify the branch/tag')
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parser.add_argument(
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'--start-on-boot', dest='on_boot', action='store_true',
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default=False, help='start the GNS3-server when the image boots')
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parser.add_argument(
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'--image-name', dest='image_name', action='store',
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help='the name of the image to be created')
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return parser.parse_args()
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if __name__ == "__main__":
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main()
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@ -1,3 +0,0 @@
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fabric
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pygithub
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python-novaclient
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@ -1,10 +0,0 @@
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create_image.py:
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- uses fabric, which doesn't support Python 3
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- prompts for Rackspace credentials if environment variables not set
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- see .novarc for example env variables
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- note that the novaclient library uses the Rackspace password and -not-
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the API key
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- use '--help' for help with arguments
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@ -1,19 +0,0 @@
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#!/bin/bash
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export DEBIAN_FRONTEND=noninteractive
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apt-get -y update
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apt-get -o Dpkg::Options::="--force-confnew" --force-yes -fuy dist-upgrade
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apt-get -y install git
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apt-get -y install python3-setuptools
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apt-get -y install python3-netifaces
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apt-get -y install python3-pip
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mkdir -p /opt/gns3
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pushd /opt/gns3
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git clone --branch ${git_branch} ${git_url}
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cd gns3-server
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pip3 install -r dev-requirements.txt
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python3 ./setup.py install
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${rc_local}
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touch /tmp/gns-install-complete
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