592 lines
21 KiB
Python
Executable File
592 lines
21 KiB
Python
Executable File
#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Interactive shell based on Django:
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#
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# Copyright (c) 2005, the Lawrence Journal-World
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the name of Django nor the names of its contributors may be
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# used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""
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CLI interface for nova management.
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"""
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import datetime
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import gettext
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import os
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import re
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import sys
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import time
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import IPy
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# If ../nova/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
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sys.path.insert(0, possible_topdir)
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gettext.install('nova', unicode=1)
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from nova import context
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from nova import crypto
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from nova import db
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from nova import exception
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from nova import flags
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from nova import quota
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from nova import utils
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from nova.auth import manager
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from nova.cloudpipe import pipelib
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FLAGS = flags.FLAGS
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flags.DECLARE('fixed_range', 'nova.network.manager')
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flags.DECLARE('num_networks', 'nova.network.manager')
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flags.DECLARE('network_size', 'nova.network.manager')
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flags.DECLARE('vlan_start', 'nova.network.manager')
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flags.DECLARE('vpn_start', 'nova.network.manager')
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class VpnCommands(object):
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"""Class for managing VPNs."""
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def __init__(self):
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self.manager = manager.AuthManager()
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self.pipe = pipelib.CloudPipe()
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def list(self, project=None):
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"""Print a listing of the VPN data for one or all projects.
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args: [project=all]"""
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print "%-12s\t" % 'project',
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print "%-20s\t" % 'ip:port',
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print "%-20s\t" % 'private_ip',
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print "%s" % 'state'
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if project:
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projects = [self.manager.get_project(project)]
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else:
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projects = self.manager.get_projects()
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# NOTE(vish): This hits the database a lot. We could optimize
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# by getting all networks in one query and all vpns
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# in aother query, then doing lookups by project
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for project in projects:
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print "%-12s\t" % project.name,
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ipport = "%s:%s" % (project.vpn_ip, project.vpn_port)
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print "%-20s\t" % ipport,
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ctxt = context.get_admin_context()
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vpn = db.instance_get_project_vpn(ctxt, project.id)
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if vpn:
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address = None
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state = 'down'
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if vpn.get('fixed_ip', None):
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address = vpn['fixed_ip']['address']
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if project.vpn_ip and utils.vpn_ping(project.vpn_ip,
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project.vpn_port):
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state = 'up'
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print address,
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print vpn['host'],
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print vpn['ec2_id'],
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print vpn['state_description'],
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print state
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else:
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print None
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def spawn(self):
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"""Run all VPNs."""
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for p in reversed(self.manager.get_projects()):
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if not self._vpn_for(p.id):
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print 'spawning %s' % p.id
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self.pipe.launch_vpn_instance(p.id)
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time.sleep(10)
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def run(self, project_id):
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"""Start the VPN for a given project."""
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self.pipe.launch_vpn_instance(project_id)
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def change(self, project_id, ip, port):
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"""Change the ip and port for a vpn.
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args: project, ip, port"""
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project = self.manager.get_project(project_id)
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if not project:
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print 'No project %s' % (project_id)
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return
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admin = context.get_admin_context()
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network_ref = db.project_get_network(admin, project_id)
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db.network_update(admin,
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network_ref['id'],
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{'vpn_public_address': ip,
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'vpn_public_port': int(port)})
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class ShellCommands(object):
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def bpython(self):
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"""Runs a bpython shell.
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Falls back to Ipython/python shell if unavailable"""
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self.run('bpython')
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def ipython(self):
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"""Runs an Ipython shell.
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Falls back to Python shell if unavailable"""
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self.run('ipython')
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def python(self):
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"""Runs a python shell.
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Falls back to Python shell if unavailable"""
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self.run('python')
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def run(self, shell=None):
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"""Runs a Python interactive interpreter.
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args: [shell=bpython]"""
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if not shell:
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shell = 'bpython'
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if shell == 'bpython':
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try:
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import bpython
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bpython.embed()
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except ImportError:
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shell = 'ipython'
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if shell == 'ipython':
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try:
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import IPython
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# Explicitly pass an empty list as arguments, because
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# otherwise IPython would use sys.argv from this script.
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shell = IPython.Shell.IPShell(argv=[])
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shell.mainloop()
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except ImportError:
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shell = 'python'
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if shell == 'python':
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import code
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try:
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# Try activating rlcompleter, because it's handy.
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import readline
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except ImportError:
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pass
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else:
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# We don't have to wrap the following import in a 'try',
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# because we already know 'readline' was imported successfully.
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import rlcompleter
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readline.parse_and_bind("tab:complete")
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code.interact()
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def script(self, path):
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"""Runs the script from the specifed path with flags set properly.
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arguments: path"""
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exec(compile(open(path).read(), path, 'exec'), locals(), globals())
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class RoleCommands(object):
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"""Class for managing roles."""
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def __init__(self):
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self.manager = manager.AuthManager()
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def add(self, user, role, project=None):
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"""adds role to user
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if project is specified, adds project specific role
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arguments: user, role [project]"""
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self.manager.add_role(user, role, project)
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def has(self, user, role, project=None):
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"""checks to see if user has role
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if project is specified, returns True if user has
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the global role and the project role
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arguments: user, role [project]"""
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print self.manager.has_role(user, role, project)
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def remove(self, user, role, project=None):
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"""removes role from user
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if project is specified, removes project specific role
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arguments: user, role [project]"""
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self.manager.remove_role(user, role, project)
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class UserCommands(object):
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"""Class for managing users."""
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@staticmethod
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def _print_export(user):
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"""Print export variables to use with API."""
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print 'export EC2_ACCESS_KEY=%s' % user.access
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print 'export EC2_SECRET_KEY=%s' % user.secret
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def __init__(self):
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self.manager = manager.AuthManager()
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def admin(self, name, access=None, secret=None):
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"""creates a new admin and prints exports
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arguments: name [access] [secret]"""
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user = self.manager.create_user(name, access, secret, True)
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self._print_export(user)
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def create(self, name, access=None, secret=None):
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"""creates a new user and prints exports
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arguments: name [access] [secret]"""
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user = self.manager.create_user(name, access, secret, False)
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self._print_export(user)
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def delete(self, name):
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"""deletes an existing user
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arguments: name"""
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self.manager.delete_user(name)
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def exports(self, name):
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"""prints access and secrets for user in export format
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arguments: name"""
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user = self.manager.get_user(name)
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if user:
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self._print_export(user)
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else:
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print "User %s doesn't exist" % name
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def list(self):
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"""lists all users
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arguments: <none>"""
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for user in self.manager.get_users():
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print user.name
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def modify(self, name, access_key, secret_key, is_admin):
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"""update a users keys & admin flag
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arguments: accesskey secretkey admin
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leave any field blank to ignore it, admin should be 'T', 'F', or blank
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"""
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if not is_admin:
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is_admin = None
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elif is_admin.upper()[0] == 'T':
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is_admin = True
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else:
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is_admin = False
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self.manager.modify_user(name, access_key, secret_key, is_admin)
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def revoke(self, user_id, project_id=None):
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"""revoke certs for a user
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arguments: user_id [project_id]"""
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if project_id:
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crypto.revoke_certs_by_user_and_project(user_id, project_id)
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else:
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crypto.revoke_certs_by_user(user_id)
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class ProjectCommands(object):
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"""Class for managing projects."""
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def __init__(self):
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self.manager = manager.AuthManager()
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def add(self, project_id, user_id):
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"""Adds user to project
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arguments: project_id user_id"""
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self.manager.add_to_project(user_id, project_id)
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def create(self, name, project_manager, description=None):
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"""Creates a new project
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arguments: name project_manager [description]"""
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self.manager.create_project(name, project_manager, description)
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def delete(self, name):
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"""Deletes an existing project
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arguments: name"""
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self.manager.delete_project(name)
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def environment(self, project_id, user_id, filename='novarc'):
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"""Exports environment variables to an sourcable file
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arguments: project_id user_id [filename='novarc]"""
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rc = self.manager.get_environment_rc(user_id, project_id)
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with open(filename, 'w') as f:
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f.write(rc)
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def list(self):
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"""Lists all projects
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arguments: <none>"""
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for project in self.manager.get_projects():
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print project.name
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def quota(self, project_id, key=None, value=None):
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"""Set or display quotas for project
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arguments: project_id [key] [value]"""
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ctxt = context.get_admin_context()
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if key:
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quo = {'project_id': project_id, key: value}
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try:
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db.quota_update(ctxt, project_id, quo)
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except exception.NotFound:
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db.quota_create(ctxt, quo)
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project_quota = quota.get_quota(ctxt, project_id)
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for key, value in project_quota.iteritems():
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print '%s: %s' % (key, value)
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def remove(self, project_id, user_id):
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"""Removes user from project
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arguments: project_id user_id"""
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self.manager.remove_from_project(user_id, project_id)
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def scrub(self, project_id):
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"""Deletes data associated with project
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arguments: project_id"""
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ctxt = context.get_admin_context()
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network_ref = db.project_get_network(ctxt, project_id)
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db.network_disassociate(ctxt, network_ref['id'])
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groups = db.security_group_get_by_project(ctxt, project_id)
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for group in groups:
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db.security_group_destroy(ctxt, group['id'])
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def zipfile(self, project_id, user_id, filename='nova.zip'):
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"""Exports credentials for project to a zip file
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arguments: project_id user_id [filename='nova.zip]"""
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try:
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zip_file = self.manager.get_credentials(user_id, project_id)
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with open(filename, 'w') as f:
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f.write(zip_file)
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except db.api.NoMoreNetworks:
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print ('No more networks available. If this is a new '
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'installation, you need\nto call something like this:\n\n'
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' nova-manage network create 10.0.0.0/8 10 64\n\n')
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class FloatingIpCommands(object):
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"""Class for managing floating ip."""
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def create(self, host, range):
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"""Creates floating ips for host by range
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arguments: host ip_range"""
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for address in IPy.IP(range):
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db.floating_ip_create(context.get_admin_context(),
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{'address': str(address),
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'host': host})
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def delete(self, ip_range):
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"""Deletes floating ips by range
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arguments: range"""
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for address in IPy.IP(ip_range):
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db.floating_ip_destroy(context.get_admin_context(),
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str(address))
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def list(self, host=None):
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"""Lists all floating ips (optionally by host)
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arguments: [host]"""
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ctxt = context.get_admin_context()
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if host == None:
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floating_ips = db.floating_ip_get_all(ctxt)
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else:
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floating_ips = db.floating_ip_get_all_by_host(ctxt, host)
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for floating_ip in floating_ips:
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instance = None
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if floating_ip['fixed_ip']:
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instance = floating_ip['fixed_ip']['instance']['ec2_id']
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print "%s\t%s\t%s" % (floating_ip['host'],
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floating_ip['address'],
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instance)
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class NetworkCommands(object):
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"""Class for managing networks."""
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def create(self, fixed_range=None, num_networks=None,
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network_size=None, vlan_start=None, vpn_start=None):
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"""Creates fixed ips for host by range
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arguments: [fixed_range=FLAG], [num_networks=FLAG],
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[network_size=FLAG], [vlan_start=FLAG],
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[vpn_start=FLAG]"""
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if not fixed_range:
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fixed_range = FLAGS.fixed_range
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if not num_networks:
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num_networks = FLAGS.num_networks
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if not network_size:
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network_size = FLAGS.network_size
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if not vlan_start:
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vlan_start = FLAGS.vlan_start
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if not vpn_start:
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vpn_start = FLAGS.vpn_start
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net_manager = utils.import_object(FLAGS.network_manager)
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net_manager.create_networks(context.get_admin_context(),
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fixed_range, int(num_networks),
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int(network_size), int(vlan_start),
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int(vpn_start))
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class ServiceCommands(object):
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"""Enable and disable running services"""
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def list(self, host=None, service=None):
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"""Show a list of all running services. Filter by host & service name.
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args: [host] [service]"""
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ctxt = context.get_admin_context()
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now = datetime.datetime.utcnow()
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services = db.service_get_all(ctxt)
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if host:
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services = [s for s in services if s['host'] == host]
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if service:
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services = [s for s in services if s['binary'] == service]
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for svc in services:
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delta = now - (svc['updated_at'] or svc['created_at'])
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alive = (delta.seconds <= 15)
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art = (alive and ":-)") or "XXX"
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active = 'enabled'
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if svc['disabled']:
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active = 'disabled'
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print "%-10s %-10s %-8s %s %s" % (svc['host'], svc['binary'],
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active, art,
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svc['updated_at'])
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def enable(self, host, service):
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"""Enable scheduling for a service
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args: host service"""
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ctxt = context.get_admin_context()
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svc = db.service_get_by_args(ctxt, host, service)
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if not svc:
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print "Unable to find service"
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return
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db.service_update(ctxt, svc['id'], {'disabled': False})
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def disable(self, host, service):
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"""Disable scheduling for a service
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args: host service"""
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ctxt = context.get_admin_context()
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svc = db.service_get_by_args(ctxt, host, service)
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if not svc:
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print "Unable to find service"
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return
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db.service_update(ctxt, svc['id'], {'disabled': True})
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class LogCommands(object):
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def request(self, request_id, logfile='/var/log/nova.log'):
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"""Show all fields in the log for the given request. Assumes you
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haven't changed the log format too much.
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ARGS: request_id [logfile]"""
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lines = utils.execute("cat %s | grep '\[%s '" % (logfile, request_id))
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print re.sub('#012', "\n", "\n".join(lines))
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CATEGORIES = [
|
|
('user', UserCommands),
|
|
('project', ProjectCommands),
|
|
('role', RoleCommands),
|
|
('shell', ShellCommands),
|
|
('vpn', VpnCommands),
|
|
('floating', FloatingIpCommands),
|
|
('network', NetworkCommands),
|
|
('service', ServiceCommands),
|
|
('log', LogCommands)]
|
|
|
|
|
|
def lazy_match(name, key_value_tuples):
|
|
"""Finds all objects that have a key that case insensitively contains
|
|
[name] key_value_tuples is a list of tuples of the form (key, value)
|
|
returns a list of tuples of the form (key, value)"""
|
|
result = []
|
|
for (k, v) in key_value_tuples:
|
|
if k.lower().find(name.lower()) == 0:
|
|
result.append((k, v))
|
|
if len(result) == 0:
|
|
print "%s does not match any options:" % name
|
|
for k, _v in key_value_tuples:
|
|
print "\t%s" % k
|
|
sys.exit(2)
|
|
if len(result) > 1:
|
|
print "%s matched multiple options:" % name
|
|
for k, _v in result:
|
|
print "\t%s" % k
|
|
sys.exit(2)
|
|
return result
|
|
|
|
|
|
def methods_of(obj):
|
|
"""Get all callable methods of an object that don't start with underscore
|
|
returns a list of tuples of the form (method_name, method)"""
|
|
result = []
|
|
for i in dir(obj):
|
|
if callable(getattr(obj, i)) and not i.startswith('_'):
|
|
result.append((i, getattr(obj, i)))
|
|
return result
|
|
|
|
|
|
def main():
|
|
"""Parse options and call the appropriate class/method."""
|
|
utils.default_flagfile()
|
|
argv = FLAGS(sys.argv)
|
|
|
|
script_name = argv.pop(0)
|
|
if len(argv) < 1:
|
|
print script_name + " category action [<args>]"
|
|
print "Available categories:"
|
|
for k, _ in CATEGORIES:
|
|
print "\t%s" % k
|
|
sys.exit(2)
|
|
category = argv.pop(0)
|
|
matches = lazy_match(category, CATEGORIES)
|
|
# instantiate the command group object
|
|
category, fn = matches[0]
|
|
command_object = fn()
|
|
actions = methods_of(command_object)
|
|
if len(argv) < 1:
|
|
print script_name + " category action [<args>]"
|
|
print "Available actions for %s category:" % category
|
|
for k, _v in actions:
|
|
print "\t%s" % k
|
|
sys.exit(2)
|
|
action = argv.pop(0)
|
|
matches = lazy_match(action, actions)
|
|
action, fn = matches[0]
|
|
# call the action with the remaining arguments
|
|
try:
|
|
fn(*argv)
|
|
sys.exit(0)
|
|
except TypeError:
|
|
print "Possible wrong number of arguments supplied"
|
|
print "%s %s: %s" % (category, action, fn.__doc__)
|
|
raise
|
|
|
|
if __name__ == '__main__':
|
|
main()
|