openstack/nova
Code Issues Proposed changes
16882ad36b
nova/bin/nova-manage
Soren Hansen e9fd01e58b Re-run nova-manage under sudo if unable to read conffile 
Having to manually sudo to the nova user to make things work is
tedious. Make it so that if we can't read the conffile, we just
re-exec under sudo.

Fixes bug 805695

Change-Id: I322cece80ca757c69147fb3f8474ad137d9bff82
2012-02-04 00:26:26 +01:00

2383 lines
93 KiB
Python
Executable File
Raw Blame History

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# Interactive shell based on Django:
#
# Copyright (c) 2005, the Lawrence Journal-World
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of Django nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
CLI interface for nova management.
"""
import ast
import gettext
import glob
import json
import math
import netaddr
import optparse
import os
import StringIO
import sys
import time
# If ../nova/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
os.pardir,
os.pardir))
if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')):
sys.path.insert(0, POSSIBLE_TOPDIR)
gettext.install('nova', unicode=1)
from nova import context
from nova import crypto
from nova import db
from nova import exception
from nova import flags
from nova import image
from nova import log as logging
from nova import quota
from nova import rpc
from nova import utils
from nova import version
from nova import vsa
from nova.api.ec2 import ec2utils
from nova.auth import manager
from nova.cloudpipe import pipelib
from nova.compute import instance_types
from nova.compute import vm_states
from nova.db import migration
from nova.volume import volume_types
FLAGS = flags.FLAGS
flags.DECLARE('flat_network_bridge', 'nova.network.manager')
flags.DECLARE('num_networks', 'nova.network.manager')
flags.DECLARE('multi_host', 'nova.network.manager')
flags.DECLARE('network_size', 'nova.network.manager')
flags.DECLARE('vlan_start', 'nova.network.manager')
flags.DECLARE('vpn_start', 'nova.network.manager')
flags.DECLARE('default_floating_pool', 'nova.network.manager')
flags.DECLARE('public_interface', 'nova.network.linux_net')
flags.DECLARE('libvirt_type', 'nova.virt.libvirt.connection')
# Decorators for actions
def args(*args, **kwargs):
def _decorator(func):
func.__dict__.setdefault('options', []).insert(0, (args, kwargs))
return func
return _decorator
def param2id(object_id):
"""Helper function to convert various id types to internal id.
args: [object_id], e.g. 'vol-0000000a' or 'volume-0000000a' or '10'
"""
if '-' in object_id:
return ec2utils.ec2_id_to_id(object_id)
else:
return int(object_id)
class VpnCommands(object):
"""Class for managing VPNs."""
def __init__(self):
self.manager = manager.AuthManager()
self.pipe = pipelib.CloudPipe()
@args('--project', dest="project", metavar='<Project name>',
help='Project name')
def list(self, project=None):
"""Print a listing of the VPN data for one or all projects."""
print "WARNING: This method only works with deprecated auth"
print "%-12s\t" % 'project',
print "%-20s\t" % 'ip:port',
print "%-20s\t" % 'private_ip',
print "%s" % 'state'
if project:
projects = [self.manager.get_project(project)]
else:
projects = self.manager.get_projects()
# NOTE(vish): This hits the database a lot. We could optimize
# by getting all networks in one query and all vpns
# in aother query, then doing lookups by project
for project in projects:
print "%-12s\t" % project.name,
ipport = "%s:%s" % (project.vpn_ip, project.vpn_port)
print "%-20s\t" % ipport,
ctxt = context.get_admin_context()
vpn = db.instance_get_project_vpn(ctxt, project.id)
if vpn:
address = None
state = 'down'
if vpn.get('fixed_ip', None):
address = vpn['fixed_ip']['address']
if project.vpn_ip and utils.vpn_ping(project.vpn_ip,
project.vpn_port):
state = 'up'
print address,
print vpn['host'],
print ec2utils.id_to_ec2_id(vpn['id']),
print vpn['vm_state'],
print state
else:
print None
def spawn(self):
"""Run all VPNs."""
print "WARNING: This method only works with deprecated auth"
ctxt = context.get_admin_context()
for p in reversed(self.manager.get_projects()):
if self._vpn_for(ctxt, p.id):
print 'spawning %s' % p.id
self.pipe.launch_vpn_instance(p.id, p.project_manager_id)
time.sleep(10)
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--user', dest="user_id", metavar='<user name>', help='User name')
def run(self, project_id, user_id):
"""Start the VPN for a given project and user."""
if not user_id:
print "WARNING: This method only works with deprecated auth"
user_id = self.manager.get_project(project_id).project_manager_id
self.pipe.launch_vpn_instance(project_id, user_id)
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--ip', dest="ip", metavar='<IP Address>', help='IP Address')
@args('--port', dest="port", metavar='<Port>', help='Port')
def change(self, project_id, ip, port):
"""Change the ip and port for a vpn.
this will update all networks associated with a project
not sure if that's the desired behavior or not, patches accepted
"""
# TODO(tr3buchet): perhaps this shouldn't update all networks
# associated with a project in the future
admin_context = context.get_admin_context()
networks = db.project_get_networks(admin_context, project_id)
for network in networks:
db.network_update(admin_context,
network['id'],
{'vpn_public_address': ip,
'vpn_public_port': int(port)})
def _vpn_for(self, context, project_id):
"""Get the VPN instance for a project ID."""
for instance in db.instance_get_all_by_project(context, project_id):
if (instance['image_id'] == str(FLAGS.vpn_image_id)
and not instance['vm_state'] in [vm_states.DELETED]):
return instance
class ShellCommands(object):
def bpython(self):
"""Runs a bpython shell.
Falls back to Ipython/python shell if unavailable"""
self.run('bpython')
def ipython(self):
"""Runs an Ipython shell.
Falls back to Python shell if unavailable"""
self.run('ipython')
def python(self):
"""Runs a python shell.
Falls back to Python shell if unavailable"""
self.run('python')
@args('--shell', dest="shell", metavar='<bpython|ipython|python >',
help='Python shell')
def run(self, shell=None):
"""Runs a Python interactive interpreter."""
if not shell:
shell = 'bpython'
if shell == 'bpython':
try:
import bpython
bpython.embed()
except ImportError:
shell = 'ipython'
if shell == 'ipython':
try:
import IPython
# Explicitly pass an empty list as arguments, because
# otherwise IPython would use sys.argv from this script.
shell = IPython.Shell.IPShell(argv=[])
shell.mainloop()
except ImportError:
shell = 'python'
if shell == 'python':
import code
try:
# Try activating rlcompleter, because it's handy.
import readline
except ImportError:
pass
else:
# We don't have to wrap the following import in a 'try',
# because we already know 'readline' was imported successfully.
import rlcompleter
readline.parse_and_bind("tab:complete")
code.interact()
@args('--path', dest='path', metavar='<path>', help='Script path')
def script(self, path):
"""Runs the script from the specifed path with flags set properly.
arguments: path"""
exec(compile(open(path).read(), path, 'exec'), locals(), globals())
@args('--filename', dest='filename', metavar='<path>', default=False,
help='Export file path')
def export(self, filename):
"""Export Nova users into a file that can be consumed by Keystone"""
def create_file(filename):
data = generate_data()
with open(filename, 'w') as f:
f.write(data.getvalue())
def tenants(data, am):
for project in am.get_projects():
print >> data, ("tenant add '%s'" %
(project.name))
for u in project.member_ids:
user = am.get_user(u)
print >> data, ("user add '%s' '%s' '%s'" %
(user.name, user.access, project.name))
print >> data, ("credentials add 'EC2' '%s:%s' '%s' '%s'" %
(user.access, project.id, user.secret, project.id))
def roles(data, am):
for role in am.get_roles():
print >> data, ("role add '%s'" % (role))
def grant_roles(data, am):
roles = am.get_roles()
for project in am.get_projects():
for u in project.member_ids:
user = am.get_user(u)
for role in db.user_get_roles_for_project(ctxt, u,
project.id):
print >> data, ("role grant '%s', '%s', '%s')," %
(user.name, role, project.name))
print >> data
def generate_data():
data = StringIO.StringIO()
am = manager.AuthManager()
tenants(data, am)
roles(data, am)
grant_roles(data, am)
data.seek(0)
return data
ctxt = context.get_admin_context()
if filename:
create_file(filename)
else:
data = generate_data()
print data.getvalue()
class RoleCommands(object):
"""Class for managing roles."""
def __init__(self):
self.manager = manager.AuthManager()
@args('--user', dest="user", metavar='<user name>', help='User name')
@args('--role', dest="role", metavar='<user role>', help='User role')
@args('--project', dest="project", metavar='<Project name>',
help='Project name')
def add(self, user, role, project=None):
"""adds role to user
if project is specified, adds project specific role"""
if project:
projobj = self.manager.get_project(project)
if not projobj.has_member(user):
print "%s not a member of %s" % (user, project)
return
self.manager.add_role(user, role, project)
@args('--user', dest="user", metavar='<user name>', help='User name')
@args('--role', dest="role", metavar='<user role>', help='User role')
@args('--project', dest="project", metavar='<Project name>',
help='Project name')
def has(self, user, role, project=None):
"""checks to see if user has role
if project is specified, returns True if user has
the global role and the project role"""
print self.manager.has_role(user, role, project)
@args('--user', dest="user", metavar='<user name>', help='User name')
@args('--role', dest="role", metavar='<user role>', help='User role')
@args('--project', dest="project", metavar='<Project name>',
help='Project name')
def remove(self, user, role, project=None):
"""removes role from user
if project is specified, removes project specific role"""
self.manager.remove_role(user, role, project)
def _db_error(caught_exception):
print caught_exception
print _("The above error may show that the database has not "
"been created.\nPlease create a database using "
"'nova-manage db sync' before running this command.")
exit(1)
class UserCommands(object):
"""Class for managing users."""
@staticmethod
def _print_export(user):
"""Print export variables to use with API."""
print 'export EC2_ACCESS_KEY=%s' % user.access
print 'export EC2_SECRET_KEY=%s' % user.secret
def __init__(self):
self.manager = manager.AuthManager()
@args('--name', dest="name", metavar='<admin name>', help='Admin name')
@args('--access', dest="access", metavar='<access>', help='Access')
@args('--secret', dest="secret", metavar='<secret>', help='Secret')
def admin(self, name, access=None, secret=None):
"""creates a new admin and prints exports"""
try:
user = self.manager.create_user(name, access, secret, True)
except exception.DBError, e:
_db_error(e)
self._print_export(user)
@args('--name', dest="name", metavar='<name>', help='User name')
@args('--access', dest="access", metavar='<access>', help='Access')
@args('--secret', dest="secret", metavar='<secret>', help='Secret')
def create(self, name, access=None, secret=None):
"""creates a new user and prints exports"""
try:
user = self.manager.create_user(name, access, secret, False)
except exception.DBError, e:
_db_error(e)
self._print_export(user)
@args('--name', dest="name", metavar='<name>', help='User name')
def delete(self, name):
"""deletes an existing user
arguments: name"""
self.manager.delete_user(name)
@args('--name', dest="name", metavar='<admin name>', help='User name')
def exports(self, name):
"""prints access and secrets for user in export format"""
user = self.manager.get_user(name)
if user:
self._print_export(user)
else:
print "User %s doesn't exist" % name
def list(self):
"""lists all users"""
for user in self.manager.get_users():
print user.name
@args('--name', dest="name", metavar='<name>', help='User name')
@args('--access', dest="access_key", metavar='<access>',
help='Access key')
@args('--secret', dest="secret_key", metavar='<secret>',
help='Secret key')
@args('--is_admin', dest='is_admin', metavar="<'T'|'F'>",
help='Is admin?')
def modify(self, name, access_key, secret_key, is_admin):
"""update a users keys & admin flag
arguments: accesskey secretkey admin
leave any field blank to ignore it, admin should be 'T', 'F', or blank
"""
if not is_admin:
is_admin = None
elif is_admin.upper()[0] == 'T':
is_admin = True
else:
is_admin = False
self.manager.modify_user(name, access_key, secret_key, is_admin)
@args('--name', dest="user_id", metavar='<name>', help='User name')
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
def revoke(self, user_id, project_id=None):
"""revoke certs for a user"""
if project_id:
crypto.revoke_certs_by_user_and_project(user_id, project_id)
else:
crypto.revoke_certs_by_user(user_id)
class ProjectCommands(object):
"""Class for managing projects."""
def __init__(self):
self.manager = manager.AuthManager()
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--user', dest="user_id", metavar='<name>', help='User name')
def add(self, project_id, user_id):
"""Adds user to project"""
try:
self.manager.add_to_project(user_id, project_id)
except exception.UserNotFound as ex:
print ex
raise
@args('--project', dest="name", metavar='<Project name>',
help='Project name')
@args('--user', dest="project_manager", metavar='<user>',
help='Project manager')
@args('--desc', dest="description", metavar='<description>',
help='Description')
def create(self, name, project_manager, description=None):
"""Creates a new project"""
try:
self.manager.create_project(name, project_manager, description)
except exception.UserNotFound as ex:
print ex
raise
@args('--project', dest="name", metavar='<Project name>',
help='Project name')
@args('--user', dest="project_manager", metavar='<user>',
help='Project manager')
@args('--desc', dest="description", metavar='<description>',
help='Description')
def modify(self, name, project_manager, description=None):
"""Modifies a project"""
try:
self.manager.modify_project(name, project_manager, description)
except exception.UserNotFound as ex:
print ex
raise
@args('--project', dest="name", metavar='<Project name>',
help='Project name')
def delete(self, name):
"""Deletes an existing project"""
try:
self.manager.delete_project(name)
except exception.ProjectNotFound as ex:
print ex
raise
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--user', dest="user_id", metavar='<name>', help='User name')
@args('--file', dest="filename", metavar='<filename>',
help='File name(Default: novarc)')
def environment(self, project_id, user_id, filename='novarc'):
"""Exports environment variables to an sourcable file"""
try:
rc = self.manager.get_environment_rc(user_id, project_id)
except (exception.UserNotFound, exception.ProjectNotFound) as ex:
print ex
raise
if filename == "-":
sys.stdout.write(rc)
else:
with open(filename, 'w') as f:
f.write(rc)
@args('--user', dest="username", metavar='<username>', help='User name')
def list(self, username=None):
"""Lists all projects"""
for project in self.manager.get_projects(username):
print project.name
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--key', dest="key", metavar='<key>', help='Key')
@args('--value', dest="value", metavar='<value>', help='Value')
def quota(self, project_id, key=None, value=None):
"""Set or display quotas for project"""
ctxt = context.get_admin_context()
if key:
if value.lower() == 'unlimited':
value = None
try:
db.quota_update(ctxt, project_id, key, value)
except exception.ProjectQuotaNotFound:
db.quota_create(ctxt, project_id, key, value)
project_quota = quota.get_project_quotas(ctxt, project_id)
for key, value in project_quota.iteritems():
if value is None:
value = 'unlimited'
print '%s: %s' % (key, value)
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--user', dest="user_id", metavar='<name>', help='User name')
def remove(self, project_id, user_id):
"""Removes user from project"""
try:
self.manager.remove_from_project(user_id, project_id)
except (exception.UserNotFound, exception.ProjectNotFound) as ex:
print ex
raise
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
def scrub(self, project_id):
"""Deletes data associated with project"""
admin_context = context.get_admin_context()
networks = db.project_get_networks(admin_context, project_id)
for network in networks:
db.network_disassociate(admin_context, network['id'])
groups = db.security_group_get_by_project(admin_context, project_id)
for group in groups:
db.security_group_destroy(admin_context, group['id'])
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
@args('--user', dest="user_id", metavar='<name>', help='User name')
@args('--file', dest="filename", metavar='<filename>',
help='File name(Default: nova.zip)')
def zipfile(self, project_id, user_id, filename='nova.zip'):
"""Exports credentials for project to a zip file"""
try:
zip_file = self.manager.get_credentials(user_id, project_id)
if filename == "-":
sys.stdout.write(zip_file)
else:
with open(filename, 'w') as f:
f.write(zip_file)
except (exception.UserNotFound, exception.ProjectNotFound) as ex:
print ex
raise
except db.api.NoMoreNetworks:
print _('No more networks available. If this is a new '
'installation, you need\nto call something like this:\n\n'
' nova-manage network create pvt 10.0.0.0/8 10 64\n\n')
except exception.ProcessExecutionError, e:
print e
print _("The above error may show that the certificate db has "
"not been created.\nPlease create a database by running "
"a nova-api server on this host.")
AccountCommands = ProjectCommands
class FixedIpCommands(object):
"""Class for managing fixed ip."""
@args('--host', dest="host", metavar='<host>', help='Host')
def list(self, host=None):
"""Lists all fixed ips (optionally by host)"""
ctxt = context.get_admin_context()
try:
if host is None:
fixed_ips = db.fixed_ip_get_all(ctxt)
else:
fixed_ips = db.fixed_ip_get_all_by_instance_host(ctxt, host)
except exception.NotFound as ex:
print "error: %s" % ex
sys.exit(2)
instances = db.instance_get_all(context.get_admin_context())
instances_by_id = {}
for instance in instances:
instances_by_id[instance['id']] = instance
print "%-18s\t%-15s\t%-15s\t%s" % (_('network'),
_('IP address'),
_('hostname'),
_('host'))
for fixed_ip in fixed_ips:
hostname = None
host = None
mac_address = None
if fixed_ip['instance']:
instance = instances_by_id[fixed_ip['instance_id']]
hostname = instance['hostname']
host = instance['host']
print "%-18s\t%-15s\t%-15s\t%s" % (
fixed_ip['network']['cidr'],
fixed_ip['address'],
hostname, host)
@args('--address', dest="address", metavar='<ip address>',
help='IP address')
def reserve(self, address):
"""Mark fixed ip as reserved
arguments: address"""
self._set_reserved(address, True)
@args('--address', dest="address", metavar='<ip address>',
help='IP address')
def unreserve(self, address):
"""Mark fixed ip as free to use
arguments: address"""
self._set_reserved(address, False)
def _set_reserved(self, address, reserved):
ctxt = context.get_admin_context()
try:
fixed_ip = db.fixed_ip_get_by_address(ctxt, address)
if fixed_ip is None:
raise exception.NotFound('Could not find address')
db.fixed_ip_update(ctxt, fixed_ip['address'],
{'reserved': reserved})
except exception.NotFound as ex:
print "error: %s" % ex
sys.exit(2)
class FloatingIpCommands(object):
"""Class for managing floating ip."""
@args('--ip_range', dest="ip_range", metavar='<range>', help='IP range')
@args('--pool', dest="pool", metavar='<pool>', help='Optional pool')
@args('--interface', dest="interface", metavar='<interface>',
help='Optional interface')
def create(self, ip_range, pool=None, interface=None):
"""Creates floating ips for zone by range"""
addresses = netaddr.IPNetwork(ip_range)
admin_context = context.get_admin_context()
if not pool:
pool = FLAGS.default_floating_pool
if not interface:
interface = FLAGS.public_interface
for address in addresses.iter_hosts():
db.floating_ip_create(admin_context,
{'address': str(address),
'pool': pool,
'interface': interface})
@args('--ip_range', dest="ip_range", metavar='<range>', help='IP range')
def delete(self, ip_range):
"""Deletes floating ips by range"""
for address in netaddr.IPNetwork(ip_range).iter_hosts():
db.floating_ip_destroy(context.get_admin_context(),
str(address))
@args('--host', dest="host", metavar='<host>', help='Host')
def list(self, host=None):
"""Lists all floating ips (optionally by host)
Note: if host is given, only active floating IPs are returned"""
ctxt = context.get_admin_context()
if host is None:
floating_ips = db.floating_ip_get_all(ctxt)
else:
floating_ips = db.floating_ip_get_all_by_host(ctxt, host)
for floating_ip in floating_ips:
instance_id = None
if floating_ip['fixed_ip_id']:
fixed_ip = db.fixed_ip_get(ctxt, floating_ip['fixed_ip_id'])
instance = db.instance_get(ctxt, fixed_ip['instance_id'])
instance_id = instance.get('uuid', "none")
print "%s\t%s\t%s\t%s\t%s" % (floating_ip['project_id'],
floating_ip['address'],
instance_id,
floating_ip['pool'],
floating_ip['interface'])
class NetworkCommands(object):
"""Class for managing networks."""
@args('--label', dest="label", metavar='<label>',
help='Label for network (ex: public)')
@args('--fixed_range_v4', dest="fixed_range_v4", metavar='<x.x.x.x/yy>',
help='IPv4 subnet (ex: 10.0.0.0/8)')
@args('--num_networks', dest="num_networks", metavar='<number>',
help='Number of networks to create')
@args('--network_size', dest="network_size", metavar='<number>',
help='Number of IPs per network')
@args('--vlan', dest="vlan_start", metavar='<vlan id>', help='vlan id')
@args('--vpn', dest="vpn_start", help='vpn start')
@args('--fixed_range_v6', dest="fixed_range_v6",
help='IPv6 subnet (ex: fe80::/64')
@args('--gateway', dest="gateway", help='gateway')
@args('--gateway_v6', dest="gateway_v6", help='ipv6 gateway')
@args('--bridge', dest="bridge",
metavar='<bridge>',
help='VIFs on this network are connected to this bridge')
@args('--bridge_interface', dest="bridge_interface",
metavar='<bridge interface>',
help='the bridge is connected to this interface')
@args('--multi_host', dest="multi_host", metavar="<'T'|'F'>",
help='Multi host')
@args('--dns1', dest="dns1", metavar="<DNS Address>", help='First DNS')
@args('--dns2', dest="dns2", metavar="<DNS Address>", help='Second DNS')
@args('--uuid', dest="uuid", metavar="<network uuid>",
help='Network UUID')
@args('--project_id', dest="project_id", metavar="<project id>",
help='Project id')
@args('--priority', dest="priority", metavar="<number>",
help='Network interface priority')
def create(self, label=None, fixed_range_v4=None, num_networks=None,
network_size=None, multi_host=None, vlan_start=None,
vpn_start=None, fixed_range_v6=None, gateway=None,
gateway_v6=None, bridge=None, bridge_interface=None,
dns1=None, dns2=None, project_id=None, priority=None,
uuid=None):
"""Creates fixed ips for host by range"""
# check for certain required inputs
if not label:
raise exception.NetworkNotCreated(req='--label')
if not (fixed_range_v4 or fixed_range_v6):
req = '--fixed_range_v4 or --fixed_range_v6'
raise exception.NetworkNotCreated(req=req)
bridge = bridge or FLAGS.flat_network_bridge
if not bridge:
bridge_required = ['nova.network.manager.FlatManager',
'nova.network.manager.FlatDHCPManager']
if FLAGS.network_manager in bridge_required:
raise exception.NetworkNotCreated(req='--bridge')
bridge_interface = bridge_interface or FLAGS.flat_interface or \
FLAGS.vlan_interface
if not bridge_interface:
interface_required = ['nova.network.manager.VlanManager']
if FLAGS.network_manager in interface_required:
raise exception.NetworkNotCreated(req='--bridge_interface')
# sanitize other input using FLAGS if necessary
if not num_networks:
num_networks = FLAGS.num_networks
if not network_size and fixed_range_v4:
fixnet = netaddr.IPNetwork(fixed_range_v4)
each_subnet_size = fixnet.size / int(num_networks)
if each_subnet_size > FLAGS.network_size:
network_size = FLAGS.network_size
subnet = 32 - int(math.log(network_size, 2))
oversize_msg = _('Subnet(s) too large, defaulting to /%s.'
' To override, specify network_size flag.') % subnet
print oversize_msg
else:
network_size = fixnet.size
if not multi_host:
multi_host = FLAGS.multi_host
else:
multi_host = multi_host == 'T'
if not vlan_start:
vlan_start = FLAGS.vlan_start
if not vpn_start:
vpn_start = FLAGS.vpn_start
if not dns1 and FLAGS.flat_network_dns:
dns1 = FLAGS.flat_network_dns
if not network_size:
network_size = FLAGS.network_size
# create the network
net_manager = utils.import_object(FLAGS.network_manager)
net_manager.create_networks(context.get_admin_context(),
label=label,
cidr=fixed_range_v4,
multi_host=multi_host,
num_networks=int(num_networks),
network_size=int(network_size),
vlan_start=int(vlan_start),
vpn_start=int(vpn_start),
cidr_v6=fixed_range_v6,
gateway=gateway,
gateway_v6=gateway_v6,
bridge=bridge,
bridge_interface=bridge_interface,
dns1=dns1,
dns2=dns2,
project_id=project_id,
priority=priority,
uuid=uuid)
def list(self):
"""List all created networks"""
_fmt = "%-5s\t%-18s\t%-15s\t%-15s\t%-15s\t%-15s\t%-15s\t%-15s\t%-15s"
print _fmt % (_('id'),
_('IPv4'),
_('IPv6'),
_('start address'),
_('DNS1'),
_('DNS2'),
_('VlanID'),
_('project'),
_("uuid"))
for network in db.network_get_all(context.get_admin_context()):
print _fmt % (network.id,
network.cidr,
network.cidr_v6,
network.dhcp_start,
network.dns1,
network.dns2,
network.vlan,
network.project_id,
network.uuid)
def quantum_list(self):
"""List all created networks with Quantum-relevant fields"""
_fmt = "%-32s\t%-10s\t%-10s\t%s , %s"
print _fmt % (_('uuid'),
_('project'),
_('priority'),
_('cidr_v4'),
_('cidr_v6'))
for network in db.network_get_all(context.get_admin_context()):
print _fmt % (network.uuid,
network.project_id,
network.priority,
network.cidr,
network.cidr_v6)
@args('--fixed_range', dest="fixed_range", metavar='<x.x.x.x/yy>',
help='Network to delete')
@args('--uuid', dest='uuid', metavar='<uuid>',
help='UUID of network to delete')
def delete(self, fixed_range=None, uuid=None):
"""Deletes a network"""
if fixed_range is None and uuid is None:
raise Exception("Please specify either fixed_range or uuid")
net_manager = utils.import_object(FLAGS.network_manager)
if "QuantumManager" in FLAGS.network_manager:
if uuid is None:
raise Exception("UUID is required to delete Quantum Networks")
if fixed_range:
raise Exception("Deleting by fixed_range is not supported " \
"with the QuantumManager")
# delete the network
net_manager.delete_network(context.get_admin_context(),
fixed_range, uuid)
@args('--fixed_range', dest="fixed_range", metavar='<x.x.x.x/yy>',
help='Network to modify')
@args('--project', dest="project", metavar='<project name>',
help='Project name to associate')
@args('--host', dest="host", metavar='<host>',
help='Host to associate')
@args('--disassociate-project', action="store_true", dest='dis_project',
default=False, help='Disassociate Network from Project')
@args('--disassociate-host', action="store_true", dest='dis_host',
default=False, help='Disassociate Host from Project')
def modify(self, fixed_range, project=None, host=None,
dis_project=None, dis_host=None):
"""Associate/Disassociate Network with Project and/or Host
arguments: network project host
leave any field blank to ignore it
"""
admin_context = context.get_admin_context()
network = db.network_get_by_cidr(admin_context, fixed_range)
net = {}
#User can choose the following actions each for project and host.
#1) Associate (set not None value given by project/host parameter)
#2) Disassociate (set None by disassociate parameter)
#3) Keep unchanged (project/host key is not added to 'net')
if project:
net['project_id'] = project
elif dis_project:
net['project_id'] = None
if host:
net['host'] = host
elif dis_host:
net['host'] = None
db.network_update(admin_context, network['id'], net)
class VmCommands(object):
"""Class for mangaging VM instances."""
@args('--host', dest="host", metavar='<host>', help='Host')
def list(self, host=None):
"""Show a list of all instances"""
print "%-10s %-15s %-10s %-10s %-26s %-9s %-9s %-9s" \
" %-10s %-10s %-10s %-5s" % (
_('instance'),
_('node'),
_('type'),
_('state'),
_('launched'),
_('image'),
_('kernel'),
_('ramdisk'),
_('project'),
_('user'),
_('zone'),
_('index'))
if host is None:
instances = db.instance_get_all(context.get_admin_context())
else:
instances = db.instance_get_all_by_host(
context.get_admin_context(), host)
for instance in instances:
print "%-10s %-15s %-10s %-10s %-26s %-9s %-9s %-9s" \
" %-10s %-10s %-10s %-5d" % (
instance['display_name'],
instance['host'],
instance['instance_type'].name,
instance['vm_state'],
instance['launched_at'],
instance['image_ref'],
instance['kernel_id'],
instance['ramdisk_id'],
instance['project_id'],
instance['user_id'],
instance['availability_zone'],
instance['launch_index'])
def _migration(self, ec2_id, dest, block_migration=False,
disk_over_commit=False):
"""Migrates a running instance to a new machine.
:param ec2_id: instance id which comes from euca-describe-instance.
:param dest: destination host name.
:param block_migration: if True, do block_migration.
"""
ctxt = context.get_admin_context()
instance_id = ec2utils.ec2_id_to_id(ec2_id)
if (FLAGS.connection_type != 'libvirt' or
(FLAGS.connection_type == 'libvirt' and
FLAGS.libvirt_type not in ['kvm', 'qemu'])):
msg = _('Only KVM and QEmu are supported for now. Sorry!')
raise exception.Error(msg)
if FLAGS.volume_driver != 'nova.volume.driver.ISCSIDriver':
msg = _("Support only ISCSIDriver. Sorry!")
raise exception.Error(msg)
rpc.call(ctxt,
FLAGS.scheduler_topic,
{"method": "live_migration",
"args": {"instance_id": instance_id,
"dest": dest,
"topic": FLAGS.compute_topic,
"block_migration": block_migration,
"disk_over_commit": disk_over_commit}})
print _('Migration of %s initiated.'
'Check its progress using euca-describe-instances.') % ec2_id
@args('--ec2_id', dest='ec2_id', metavar='<ec2 id>', help='EC2 ID')
@args('--dest', dest='dest', metavar='<Destanation>',
help='destanation node')
def live_migration(self, ec2_id, dest):
"""Migrates a running instance to a new machine."""
self._migration(ec2_id, dest)
@args('--ec2_id', dest='ec2_id', metavar='<ec2 id>', help='EC2 ID')
@args('--dest', dest='dest', metavar='<Destanation>',
help='destanation node')
@args('--disk_over_commit', dest='disk_over_commit',
metavar='<overcommit flag>',
help='Allow overcommit (default Flase)')
def block_migration(self, ec2_id, dest, disk_over_commit=False):
"""Migrates a running instance to a new machine with storage data."""
self._migration(ec2_id, dest, True, disk_over_commit)
class ServiceCommands(object):
"""Enable and disable running services"""
@args('--host', dest='host', metavar='<host>', help='Host')
@args('--service', dest='service', metavar='<service>',
help='Nova service')
def list(self, host=None, service=None):
"""
Show a list of all running services. Filter by host & service name.
"""
ctxt = context.get_admin_context()
now = utils.utcnow()
services = db.service_get_all(ctxt)
if host:
services = [s for s in services if s['host'] == host]
if service:
services = [s for s in services if s['binary'] == service]
print_format = "%-16s %-36s %-16s %-10s %-5s %-10s"
print print_format % (
_('Binary'),
_('Host'),
_('Zone'),
_('Status'),
_('State'),
_('Updated_At'))
for svc in services:
delta = now - (svc['updated_at'] or svc['created_at'])
alive = abs(utils.total_seconds(delta)) <= FLAGS.service_down_time
art = (alive and ":-)") or "XXX"
active = 'enabled'
if svc['disabled']:
active = 'disabled'
print print_format % (svc['binary'], svc['host'],
svc['availability_zone'], active, art,
svc['updated_at'])
@args('--host', dest='host', metavar='<host>', help='Host')
@args('--service', dest='service', metavar='<service>',
help='Nova service')
def enable(self, host, service):
"""Enable scheduling for a service"""
ctxt = context.get_admin_context()
svc = db.service_get_by_args(ctxt, host, service)
if not svc:
print "Unable to find service"
return
db.service_update(ctxt, svc['id'], {'disabled': False})
@args('--host', dest='host', metavar='<host>', help='Host')
@args('--service', dest='service', metavar='<service>',
help='Nova service')
def disable(self, host, service):
"""Disable scheduling for a service"""
ctxt = context.get_admin_context()
svc = db.service_get_by_args(ctxt, host, service)
if not svc:
print "Unable to find service"
return
db.service_update(ctxt, svc['id'], {'disabled': True})
@args('--host', dest='host', metavar='<host>', help='Host')
def describe_resource(self, host):
"""Describes cpu/memory/hdd info for host.
:param host: hostname.
"""
result = rpc.call(context.get_admin_context(),
FLAGS.scheduler_topic,
{"method": "show_host_resources",
"args": {"host": host}})
if not isinstance(result, dict):
print _('An unexpected error has occurred.')
print _('[Result]'), result
else:
# Printing a total and used_now
# (NOTE)The host name width 16 characters
print '%(a)-25s%(b)16s%(c)8s%(d)8s%(e)8s' % {"a": _('HOST'),
"b": _('PROJECT'),
"c": _('cpu'),
"d": _('mem(mb)'),
"e": _('hdd')}
print '%(a)-16s(total)%(b)26s%(c)8s%(d)8s' %\
{"a": host,
"b": result['resource']['vcpus'],
"c": result['resource']['memory_mb'],
"d": result['resource']['local_gb']}
print '%(a)-16s(used_now)%(b)23s%(c)8s%(d)8s' %\
{"a": host,
"b": result['resource']['vcpus_used'],
"c": result['resource']['memory_mb_used'],
"d": result['resource']['local_gb_used']}
# Printing a used_max
cpu_sum = 0
mem_sum = 0
hdd_sum = 0
for p_id, val in result['usage'].items():
cpu_sum += val['vcpus']
mem_sum += val['memory_mb']
hdd_sum += val['root_gb']
hdd_sum += val['ephemeral_gb']
print '%(a)-16s(used_max)%(b)23s%(c)8s%(d)8s' % {"a": host,
"b": cpu_sum,
"c": mem_sum,
"d": hdd_sum}
for p_id, val in result['usage'].items():
print '%(a)-25s%(b)16s%(c)8s%(d)8s%(e)8s' % {
"a": host,
"b": p_id,
"c": val['vcpus'],
"d": val['memory_mb'],
"e": val['root_gb'] + val['ephemeral_gb']}
class HostCommands(object):
"""List hosts"""
def list(self, zone=None):
"""Show a list of all physical hosts. Filter by zone.
args: [zone]"""
print "%-25s\t%-15s" % (_('host'),
_('zone'))
ctxt = context.get_admin_context()
now = utils.utcnow()
services = db.service_get_all(ctxt)
if zone:
services = [s for s in services if s['availability_zone'] == zone]
hosts = []
for srv in services:
if not [h for h in hosts if h['host'] == srv['host']]:
hosts.append(srv)
for h in hosts:
print "%-25s\t%-15s" % (h['host'], h['availability_zone'])
class DbCommands(object):
"""Class for managing the database."""
def __init__(self):
pass
@args('--version', dest='version', metavar='<version>',
help='Database version')
def sync(self, version=None):
"""Sync the database up to the most recent version."""
return migration.db_sync(version)
def version(self):
"""Print the current database version."""
print migration.db_version()
class VersionCommands(object):
"""Class for exposing the codebase version."""
def __init__(self):
pass
def list(self):
print _("%s (%s)") %\
(version.version_string(), version.version_string_with_vcs())
def __call__(self):
self.list()
class VsaCommands(object):
"""Methods for dealing with VSAs"""
def __init__(self, *args, **kwargs):
self.manager = manager.AuthManager()
self.vsa_api = vsa.API()
self.context = context.get_admin_context()
self._format_str_vsa = "%(id)-5s %(vsa_id)-15s %(name)-25s "\
"%(type)-10s %(vcs)-6s %(drives)-9s %(stat)-10s "\
"%(az)-10s %(time)-10s"
self._format_str_volume = "\t%(id)-4s %(name)-15s %(size)-5s "\
"%(stat)-10s %(att)-20s %(time)s"
self._format_str_drive = "\t%(id)-4s %(name)-15s %(size)-5s "\
"%(stat)-10s %(host)-20s %(type)-4s %(tname)-10s %(time)s"
self._format_str_instance = "\t%(id)-4s %(name)-10s %(dname)-20s "\
"%(image)-12s %(type)-10s %(fl_ip)-15s %(fx_ip)-15s "\
"%(stat)-10s %(host)-15s %(time)s"
def _print_vsa_header(self):
print self._format_str_vsa %\
dict(id=_('ID'),
vsa_id=_('vsa_id'),
name=_('displayName'),
type=_('vc_type'),
vcs=_('vc_cnt'),
drives=_('drive_cnt'),
stat=_('status'),
az=_('AZ'),
time=_('createTime'))
def _print_vsa(self, vsa):
print self._format_str_vsa %\
dict(id=vsa['id'],
vsa_id=vsa['name'],
name=vsa['display_name'],
type=vsa['vsa_instance_type'].get('name', None),
vcs=vsa['vc_count'],
drives=vsa['vol_count'],
stat=vsa['status'],
az=vsa['availability_zone'],
time=str(vsa['created_at']))
def _print_volume_header(self):
print _(' === Volumes ===')
print self._format_str_volume %\
dict(id=_('ID'),
name=_('name'),
size=_('size'),
stat=_('status'),
att=_('attachment'),
time=_('createTime'))
def _print_volume(self, vol):
print self._format_str_volume %\
dict(id=vol['id'],
name=vol['display_name'] or vol['name'],
size=vol['size'],
stat=vol['status'],
att=vol['attach_status'],
time=str(vol['created_at']))
def _print_drive_header(self):
print _(' === Drives ===')
print self._format_str_drive %\
dict(id=_('ID'),
name=_('name'),
size=_('size'),
stat=_('status'),
host=_('host'),
type=_('type'),
tname=_('typeName'),
time=_('createTime'))
def _print_drive(self, drive):
if drive['volume_type_id'] is not None and drive.get('volume_type'):
drive_type_name = drive['volume_type'].get('name')
else:
drive_type_name = ''
print self._format_str_drive %\
dict(id=drive['id'],
name=drive['display_name'],
size=drive['size'],
stat=drive['status'],
host=drive['host'],
type=drive['volume_type_id'],
tname=drive_type_name,
time=str(drive['created_at']))
def _print_instance_header(self):
print _(' === Instances ===')
print self._format_str_instance %\
dict(id=_('ID'),
name=_('name'),
dname=_('disp_name'),
image=_('image'),
type=_('type'),
fl_ip=_('floating_IP'),
fx_ip=_('fixed_IP'),
stat=_('status'),
host=_('host'),
time=_('createTime'))
def _print_instance(self, vc):
fixed_addr = None
floating_addr = None
if vc['fixed_ips']:
fixed = vc['fixed_ips'][0]
fixed_addr = fixed['address']
if fixed['floating_ips']:
floating_addr = fixed['floating_ips'][0]['address']
floating_addr = floating_addr or fixed_addr
print self._format_str_instance %\
dict(id=vc['id'],
name=ec2utils.id_to_ec2_id(vc['id']),
dname=vc['display_name'],
image=('ami-%08x' % int(vc['image_ref'])),
type=vc['instance_type']['name'],
fl_ip=floating_addr,
fx_ip=fixed_addr,
stat=vc['vm_state'],
host=vc['host'],
time=str(vc['created_at']))
def _list(self, context, vsas, print_drives=False,
print_volumes=False, print_instances=False):
if vsas:
self._print_vsa_header()
for vsa in vsas:
self._print_vsa(vsa)
vsa_id = vsa.get('id')
if print_instances:
instances = self.vsa_api.get_all_vsa_instances(context, vsa_id)
if instances:
print
self._print_instance_header()
for instance in instances:
self._print_instance(instance)
print
if print_drives:
drives = self.vsa_api.get_all_vsa_drives(context, vsa_id)
if drives:
self._print_drive_header()
for drive in drives:
self._print_drive(drive)
print
if print_volumes:
volumes = self.vsa_api.get_all_vsa_volumes(context, vsa_id)
if volumes:
self._print_volume_header()
for volume in volumes:
self._print_volume(volume)
print
@args('--storage', dest='storage',
metavar="[{'drive_name': 'type', 'num_drives': N, 'size': M},..]",
help='Initial storage allocation for VSA')
@args('--name', dest='name', metavar="<name>", help='VSA name')
@args('--description', dest='description', metavar="<description>",
help='VSA description')
@args('--vc', dest='vc_count', metavar="<number>", help='Number of VCs')
@args('--instance_type', dest='instance_type_name', metavar="<name>",
help='Instance type name')
@args('--image', dest='image_name', metavar="<name>", help='Image name')
@args('--shared', dest='shared', action="store_true", default=False,
help='Use shared drives')
@args('--az', dest='az', metavar="<zone:host>", help='Availability zone')
@args('--user', dest="user_id", metavar='<User name>',
help='User name')
@args('--project', dest="project_id", metavar='<Project name>',
help='Project name')
def create(self, storage='[]', name=None, description=None, vc_count=1,
instance_type_name=None, image_name=None, shared=None,
az=None, user_id=None, project_id=None):
"""Create a VSA."""
if project_id is None:
try:
project_id = os.getenv("EC2_ACCESS_KEY").split(':')[1]
except Exception as exc:
print _("Failed to retrieve project id: %(exc)s") % exc
raise
if user_id is None:
try:
project = self.manager.get_project(project_id)
user_id = project.project_manager_id
except Exception as exc:
print _("Failed to retrieve user info: %(exc)s") % exc
raise
is_admin = self.manager.is_admin(user_id)
ctxt = context.RequestContext(user_id, project_id, is_admin=is_admin)
if not is_admin and \
not self.manager.is_project_member(user_id, project_id):
msg = _("%(user_id)s must be an admin or a "
"member of %(project_id)s")
LOG.warn(msg % locals())
raise ValueError(msg % locals())
# Sanity check for storage string
storage_list = []
if storage is not None:
try:
storage_list = ast.literal_eval(storage)
except Exception:
print _("Invalid string format %s") % storage
raise
for node in storage_list:
if ('drive_name' not in node) or ('num_drives' not in node):
print (_("Invalid string format for element %s. " \
"Expecting keys 'drive_name' & 'num_drives'"),
str(node))
raise KeyError
if instance_type_name == '':
instance_type_name = None
instance_type = instance_types.get_instance_type_by_name(
instance_type_name)
if image_name == '':
image_name = None
if shared in [None, False, "--full_drives"]:
shared = False
elif shared in [True, "--shared"]:
shared = True
else:
raise ValueError(_('Shared parameter should be set either to "\
"--shared or --full_drives'))
values = {
'display_name': name,
'display_description': description,
'vc_count': int(vc_count),
'instance_type': instance_type,
'image_name': image_name,
'availability_zone': az,
'storage': storage_list,
'shared': shared,
}
result = self.vsa_api.create(ctxt, **values)
self._list(ctxt, [result])
@args('--id', dest='vsa_id', metavar="<vsa_id>", help='VSA ID')
@args('--name', dest='name', metavar="<name>", help='VSA name')
@args('--description', dest='description', metavar="<description>",
help='VSA description')
@args('--vc', dest='vc_count', metavar="<number>", help='Number of VCs')
def update(self, vsa_id, name=None, description=None, vc_count=None):
"""Updates name/description of vsa and number of VCs."""
values = {}
if name is not None:
values['display_name'] = name
if description is not None:
values['display_description'] = description
if vc_count is not None:
values['vc_count'] = int(vc_count)
vsa_id = ec2utils.ec2_id_to_id(vsa_id)
result = self.vsa_api.update(self.context, vsa_id=vsa_id, **values)
self._list(self.context, [result])
@args('--id', dest='vsa_id', metavar="<vsa_id>", help='VSA ID')
def delete(self, vsa_id):
"""Delete a VSA."""
vsa_id = ec2utils.ec2_id_to_id(vsa_id)
self.vsa_api.delete(self.context, vsa_id)
@args('--id', dest='vsa_id', metavar="<vsa_id>",
help='VSA ID (optional)')
@args('--all', dest='all', action="store_true", default=False,
help='Show all available details')
@args('--drives', dest='drives', action="store_true",
help='Include drive-level details')
@args('--volumes', dest='volumes', action="store_true",
help='Include volume-level details')
@args('--instances', dest='instances', action="store_true",
help='Include instance-level details')
def list(self, vsa_id=None, all=False,
drives=False, volumes=False, instances=False):
"""Describe all available VSAs (or particular one)."""
vsas = []
if vsa_id is not None:
internal_id = ec2utils.ec2_id_to_id(vsa_id)
vsa = self.vsa_api.get(self.context, internal_id)
vsas.append(vsa)
else:
vsas = self.vsa_api.get_all(self.context)
if all:
drives = volumes = instances = True
self._list(self.context, vsas, drives, volumes, instances)
def update_capabilities(self):
"""Forces updates capabilities on all nova-volume nodes."""
rpc.fanout_cast(context.get_admin_context(),
FLAGS.volume_topic,
{"method": "notification",
"args": {"event": "startup"}})
class VsaDriveTypeCommands(object):
"""Methods for dealing with VSA drive types"""
def __init__(self, *args, **kwargs):
super(VsaDriveTypeCommands, self).__init__(*args, **kwargs)
self.context = context.get_admin_context()
self._drive_type_template = '%s_%sGB_%sRPM'
def _list(self, drives):
format_str = "%-5s %-30s %-10s %-10s %-10s %-20s %-10s %s"
if len(drives):
print format_str %\
(_('ID'),
_('name'),
_('type'),
_('size_gb'),
_('rpm'),
_('capabilities'),
_('visible'),
_('createTime'))
for name, vol_type in drives.iteritems():
drive = vol_type.get('extra_specs')
print format_str %\
(str(vol_type['id']),
drive['drive_name'],
drive['drive_type'],
drive['drive_size'],
drive['drive_rpm'],
drive.get('capabilities', ''),
str(drive.get('visible', '')),
str(vol_type['created_at']))
@args('--type', dest='type', metavar="<type>",
help='Drive type (SATA, SAS, SSD, etc.)')
@args('--size', dest='size_gb', metavar="<gb>", help='Drive size in GB')
@args('--rpm', dest='rpm', metavar="<rpm>", help='RPM')
@args('--capabilities', dest='capabilities', default=None,
metavar="<string>", help='Different capabilities')
@args('--hide', dest='hide', action="store_true", default=False,
help='Show or hide drive')
@args('--name', dest='name', metavar="<name>", help='Drive name')
def create(self, type, size_gb, rpm, capabilities=None,
hide=False, name=None):
"""Create drive type."""
hide = True if hide in [True, "True", "--hide", "hide"] else False
if name is None:
name = self._drive_type_template % (type, size_gb, rpm)
extra_specs = {'type': 'vsa_drive',
'drive_name': name,
'drive_type': type,
'drive_size': size_gb,
'drive_rpm': rpm,
'visible': True,
}
if hide:
extra_specs['visible'] = False
if capabilities is not None and capabilities != '':
extra_specs['capabilities'] = capabilities
volume_types.create(self.context, name, extra_specs)
result = volume_types.get_volume_type_by_name(self.context, name)
self._list({name: result})
@args('--name', dest='name', metavar="<name>", help='Drive name')
@args('--purge', action="store_true", dest='purge', default=False,
help='purge record from database')
def delete(self, name, purge):
"""Marks instance types / flavors as deleted"""
try:
if purge:
volume_types.purge(self.context, name)
verb = "purged"
else:
volume_types.destroy(self.context, name)
verb = "deleted"
except exception.ApiError:
print "Valid volume type name is required"
sys.exit(1)
except exception.DBError, e:
print "DB Error: %s" % e
sys.exit(2)
except Exception:
sys.exit(3)
else:
print "%s %s" % (name, verb)
@args('--all', dest='all', action="store_true", default=False,
help='Show all drives (including invisible)')
@args('--name', dest='name', metavar="<name>",
help='Show only specified drive')
def list(self, all=False, name=None):
"""Describe all available VSA drive types (or particular one)."""
all = False if all in ["--all", False, "False"] else True
search_opts = {'extra_specs': {'type': 'vsa_drive'}}
if name is not None:
search_opts['extra_specs']['name'] = name
if not all:
search_opts['extra_specs']['visible'] = '1'
drives = volume_types.get_all_types(self.context,
search_opts=search_opts)
self._list(drives)
@args('--name', dest='name', metavar="<name>", help='Drive name')
@args('--type', dest='type', metavar="<type>",
help='Drive type (SATA, SAS, SSD, etc.)')
@args('--size', dest='size_gb', metavar="<gb>", help='Drive size in GB')
@args('--rpm', dest='rpm', metavar="<rpm>", help='RPM')
@args('--capabilities', dest='capabilities', default=None,
metavar="<string>", help='Different capabilities')
@args('--visible', dest='visible',
metavar="<show|hide>", help='Show or hide drive')
def update(self, name, type=None, size_gb=None, rpm=None,
capabilities=None, visible=None):
"""Update drive type."""
volume_type = volume_types.get_volume_type_by_name(self.context, name)
extra_specs = {'type': 'vsa_drive'}
if type:
extra_specs['drive_type'] = type
if size_gb:
extra_specs['drive_size'] = size_gb
if rpm:
extra_specs['drive_rpm'] = rpm
if capabilities:
extra_specs['capabilities'] = capabilities
if visible is not None:
if visible in ["show", True, "True"]:
extra_specs['visible'] = True
elif visible in ["hide", False, "False"]:
extra_specs['visible'] = False
else:
raise ValueError(_('visible parameter should be set to '\
'show or hide'))
db.api.volume_type_extra_specs_update_or_create(self.context,
volume_type['id'],
extra_specs)
result = volume_types.get_volume_type_by_name(self.context, name)
self._list({name: result})
class VolumeCommands(object):
"""Methods for dealing with a cloud in an odd state"""
@args('--volume', dest='volume_id', metavar='<volume id>',
help='Volume ID')
def delete(self, volume_id):
"""Delete a volume, bypassing the check that it
must be available."""
ctxt = context.get_admin_context()
volume = db.volume_get(ctxt, param2id(volume_id))
host = volume['host']
if not host:
print "Volume not yet assigned to host."
print "Deleting volume from database and skipping rpc."
db.volume_destroy(ctxt, param2id(volume_id))
return
if volume['status'] == 'in-use':
print "Volume is in-use."
print "Detach volume from instance and then try again."
return
rpc.cast(ctxt,
db.queue_get_for(ctxt, FLAGS.volume_topic, host),
{"method": "delete_volume",
"args": {"volume_id": volume['id']}})
@args('--volume', dest='volume_id', metavar='<volume id>',
help='Volume ID')
def reattach(self, volume_id):
"""Re-attach a volume that has previously been attached
to an instance. Typically called after a compute host
has been rebooted."""
ctxt = context.get_admin_context()
volume = db.volume_get(ctxt, param2id(volume_id))
if not volume['instance_id']:
print "volume is not attached to an instance"
return
instance = db.instance_get(ctxt, volume['instance_id'])
host = instance['host']
rpc.cast(ctxt,
db.queue_get_for(ctxt, FLAGS.compute_topic, host),
{"method": "attach_volume",
"args": {"instance_id": instance['id'],
"volume_id": volume['id'],
"mountpoint": volume['mountpoint']}})
class InstanceTypeCommands(object):
"""Class for managing instance types / flavors."""
def _print_instance_types(self, name, val):
deleted = ('', ', inactive')[val["deleted"] == 1]
print ("%s: Memory: %sMB, VCPUS: %s, Root: %sGB, Ephemeral: %sGb, "
"FlavorID: %s, Swap: %sMB, RXTX Factor: %s") % (
name, val["memory_mb"], val["vcpus"], val["root_gb"],
val["ephemeral_gb"], val["flavorid"], val["swap"],
val["rxtx_factor"])
@args('--name', dest='name', metavar='<name>',
help='Name of instance type/flavor')
@args('--memory', dest='memory', metavar='<memory size>',
help='Memory size')
@args('--cpu', dest='vcpus', metavar='<num cores>', help='Number cpus')
@args('--root_gb', dest='root_gb', metavar='<root_gb>',
help='Root disk size')
@args('--ephemeral_gb', dest='ephemeral_gb', metavar='<ephemeral_gb>',
help='Ephemeral disk size')
@args('--flavor', dest='flavorid', metavar='<flavor id>',
help='Flavor ID')
@args('--swap', dest='swap', metavar='<swap>', help='Swap')
@args('--rxtx_factor', dest='rxtx_factor', metavar='<rxtx_factor>',
help='rxtx_factor')
def create(self, name, memory, vcpus, root_gb, ephemeral_gb, flavorid,
swap=0, rxtx_factor=1):
"""Creates instance types / flavors"""
try:
instance_types.create(name, memory, vcpus, root_gb,
ephemeral_gb, flavorid, swap, rxtx_factor)
except exception.InvalidInput, e:
print "Must supply valid parameters to create instance_type"
print e
sys.exit(1)
except exception.ApiError, e:
print "\n\n"
print "\n%s" % e
print "Please ensure instance_type name and flavorid are unique."
print "To complete remove a instance_type, use the --purge flag:"
print "\n # nova-manage instance_type delete <name> --purge\n"
print "Currently defined instance_type names and flavorids:"
self.list("--all")
sys.exit(2)
except Exception:
print "Unknown error"
sys.exit(3)
else:
print "%s created" % name
@args('--name', dest='name', metavar='<name>',
help='Name of instance type/flavor')
@args('--purge', action="store_true", dest='purge', default=False,
help='purge record from database')
def delete(self, name, purge):
"""Marks instance types / flavors as deleted"""
try:
if purge:
instance_types.purge(name)
verb = "purged"
else:
instance_types.destroy(name)
verb = "deleted"
except exception.ApiError:
print "Valid instance type name is required"
sys.exit(1)
except exception.DBError, e:
print "DB Error: %s" % e
sys.exit(2)
except Exception:
sys.exit(3)
else:
print "%s %s" % (name, verb)
@args('--name', dest='name', metavar='<name>',
help='Name of instance type/flavor')
def list(self, name=None):
"""Lists all active or specific instance types / flavors"""
try:
if name is None:
inst_types = instance_types.get_all_types()
elif name == "--all":
inst_types = instance_types.get_all_types(True)
else:
inst_types = instance_types.get_instance_type_by_name(name)
except exception.DBError, e:
_db_error(e)
if isinstance(inst_types.values()[0], dict):
for k, v in inst_types.iteritems():
self._print_instance_types(k, v)
else:
self._print_instance_types(name, inst_types)
class ImageCommands(object):
"""Methods for dealing with a cloud in an odd state"""
def __init__(self, *args, **kwargs):
self.image_service = image.get_default_image_service()
def _register(self, container_format, disk_format,
path, owner, name=None, is_public='T',
architecture='x86_64', kernel_id=None, ramdisk_id=None):
meta = {'is_public': (is_public == 'T'),
'name': name,
'container_format': container_format,
'disk_format': disk_format,
'properties': {'image_state': 'available',
'project_id': owner,
'architecture': architecture,
'image_location': 'local'}}
if kernel_id:
meta['properties']['kernel_id'] = kernel_id
if ramdisk_id:
meta['properties']['ramdisk_id'] = ramdisk_id
elevated = context.get_admin_context()
try:
with open(path) as ifile:
image = self.image_service.create(elevated, meta, ifile)
new = image['id']
print _("Image registered to %(new)s (%(path)s).") % locals()
return new
except Exception as exc:
print _("Failed to register %(path)s: %(exc)s") % locals()
sys.exit(1)
@args('--image', dest='image', metavar='<image>', help='Image')
@args('--kernel', dest='kernel', metavar='<kernel>', help='Kernel')
@args('--ram', dest='ramdisk', metavar='<ramdisk>', help='RAM disk')
@args('--owner', dest='owner', metavar='<owner>', help='Image owner')
@args('--name', dest='name', metavar='<name>', help='Image name')
@args('--public', dest='is_public', metavar="<'T'|'F'>",
help='Image public or not')
@args('--arch', dest='architecture', metavar='<arch>',
help='Architecture')
def all_register(self, image, kernel, ramdisk, owner, name=None,
is_public='T', architecture='x86_64'):
"""Uploads an image, kernel, and ramdisk into the image_service"""
kernel_id = self.kernel_register(kernel, owner, None,
is_public, architecture)
ramdisk_id = self.ramdisk_register(ramdisk, owner, None,
is_public, architecture)
self.image_register(image, owner, name, is_public,
architecture, 'ami', 'ami',
kernel_id, ramdisk_id)
@args('--path', dest='path', metavar='<path>', help='Image path')
@args('--owner', dest='owner', metavar='<owner>', help='Image owner')
@args('--name', dest='name', metavar='<name>', help='Image name')
@args('--public', dest='is_public', metavar="<'T'|'F'>",
help='Image public or not')
@args('--arch', dest='architecture', metavar='<arch>',
help='Architecture')
@args('--cont_format', dest='container_format',
metavar='<container format>',
help='Container format(default bare)')
@args('--disk_format', dest='disk_format', metavar='<disk format>',
help='Disk format(default: raw)')
@args('--kernel', dest='kernel_id', metavar='<kernel>', help='Kernel')
@args('--ram', dest='ramdisk_id', metavar='<ramdisk>', help='RAM disk')
def image_register(self, path, owner, name=None, is_public='T',
architecture='x86_64', container_format='bare',
disk_format='raw', kernel_id=None, ramdisk_id=None):
"""Uploads an image into the image_service"""
return self._register(container_format, disk_format, path,
owner, name, is_public, architecture,
kernel_id, ramdisk_id)
@args('--path', dest='path', metavar='<path>', help='Image path')
@args('--owner', dest='owner', metavar='<owner>', help='Image owner')
@args('--name', dest='name', metavar='<name>', help='Image name')
@args('--public', dest='is_public', metavar="<'T'|'F'>",
help='Image public or not')
@args('--arch', dest='architecture', metavar='<arch>',
help='Architecture')
def kernel_register(self, path, owner, name=None, is_public='T',
architecture='x86_64'):
"""Uploads a kernel into the image_service"""
return self._register('aki', 'aki', path, owner, name,
is_public, architecture)
@args('--path', dest='path', metavar='<path>', help='Image path')
@args('--owner', dest='owner', metavar='<owner>', help='Image owner')
@args('--name', dest='name', metavar='<name>', help='Image name')
@args('--public', dest='is_public', metavar="<'T'|'F'>",
help='Image public or not')
@args('--arch', dest='architecture', metavar='<arch>',
help='Architecture')
def ramdisk_register(self, path, owner, name=None, is_public='T',
architecture='x86_64'):
"""Uploads a ramdisk into the image_service"""
return self._register('ari', 'ari', path, owner, name,
is_public, architecture)
def _lookup(self, old_image_id):
elevated = context.get_admin_context()
try:
internal_id = ec2utils.ec2_id_to_id(old_image_id)
image = self.image_service.show(elevated, internal_id)
except (exception.InvalidEc2Id, exception.ImageNotFound):
image = self.image_service.show_by_name(elevated, old_image_id)
return image['id']
def _old_to_new(self, old):
mapping = {'machine': 'ami',
'kernel': 'aki',
'ramdisk': 'ari'}
container_format = mapping[old['type']]
disk_format = container_format
if container_format == 'ami' and not old.get('kernelId'):
container_format = 'bare'
disk_format = 'raw'
new = {'disk_format': disk_format,
'container_format': container_format,
'is_public': old['isPublic'],
'name': old['imageId'],
'properties': {'image_state': old['imageState'],
'project_id': old['imageOwnerId'],
'architecture': old['architecture'],
'image_location': old['imageLocation']}}
if old.get('kernelId'):
new['properties']['kernel_id'] = self._lookup(old['kernelId'])
if old.get('ramdiskId'):
new['properties']['ramdisk_id'] = self._lookup(old['ramdiskId'])
return new
def _convert_images(self, images):
elevated = context.get_admin_context()
for image_path, image_metadata in images.iteritems():
meta = self._old_to_new(image_metadata)
old = meta['name']
try:
with open(image_path) as ifile:
image = self.image_service.create(elevated, meta, ifile)
new = image['id']
print _("Image %(old)s converted to %(new)s.") % locals()
except Exception as exc:
print _("Failed to convert %(old)s: %(exc)s") % locals()
@args('--dir', dest='directory', metavar='<path>',
help='Images directory')
def convert(self, directory):
"""Uploads old objectstore images in directory to new service"""
machine_images = {}
other_images = {}
directory = os.path.abspath(directory)
for fn in glob.glob("%s/*/info.json" % directory):
try:
image_path = os.path.join(fn.rpartition('/')[0], 'image')
with open(fn) as metadata_file:
image_metadata = json.load(metadata_file)
if image_metadata['type'] == 'machine':
machine_images[image_path] = image_metadata
else:
other_images[image_path] = image_metadata
except Exception:
print _("Failed to load %(fn)s.") % locals()
# NOTE(vish): do kernels and ramdisks first so images
self._convert_images(other_images)
self._convert_images(machine_images)
class StorageManagerCommands(object):
"""Class for mangaging Storage Backends and Flavors"""
def flavor_list(self, flavor=None):
ctxt = context.get_admin_context()
try:
if flavor is None:
flavors = db.sm_flavor_get_all(ctxt)
else:
flavors = db.sm_flavor_get(ctxt, flavor)
except exception.NotFound as ex:
print "error: %s" % ex
sys.exit(2)
print "%-18s\t%-20s\t%s" % (_('id'),
_('Label'),
_('Description'))
for flav in flavors:
print "%-18s\t%-20s\t%s" % (
flav['id'],
flav['label'],
flav['description'])
def flavor_create(self, label, desc):
# TODO flavor name must be unique
try:
db.sm_flavor_create(context.get_admin_context(),
dict(label=label,
description=desc))
except exception.DBError, e:
_db_error(e)
def flavor_delete(self, label):
try:
db.sm_flavor_delete(context.get_admin_context(), label)
except exception.DBError, e:
_db_error(e)
def _splitfun(self, item):
i = item.split("=")
return i[0:2]
def backend_list(self, backend_conf_id=None):
ctxt = context.get_admin_context()
try:
if backend_conf_id is None:
backends = db.sm_backend_conf_get_all(ctxt)
else:
backends = db.sm_backend_conf_get(ctxt, backend_conf_id)
except exception.NotFound as ex:
print "error: %s" % ex
sys.exit(2)
print "%-5s\t%-10s\t%-40s\t%-10s\t%s" % (_('id'),
_('Flavor id'),
_('SR UUID'),
_('SR Type'),
_('Config Parameters'),)
for b in backends:
print "%-5s\t%-10s\t%-40s\t%-10s\t%s" % (b['id'],
b['flavor_id'],
b['sr_uuid'],
b['sr_type'],
b['config_params'],)
def backend_add(self, flavor_label, sr_type, *args):
# TODO Add backend_introduce.
ctxt = context.get_admin_context()
params = dict(map(self._splitfun, args))
if 'sr_uuid' in params:
try:
backend = db.sm_backend_conf_get_by_sr(ctxt,
params['sr_uuid'])
except exception.DBError, e:
_db_error(e)
if backend:
if len(backend) > 1:
print 'error: Multiple backends found with given sr_uuid'
sys.exit(2)
print 'Backend config found. Would you like to recreate this?'
print '(WARNING:Recreating will destroy all VDIs on backend!!)'
c = raw_input('Proceed? (y/n) ')
if c == 'y' or c == 'Y':
try:
db.sm_backend_conf_update(ctxt, backend['id'],
dict(created=False))
except exception.DBError, e:
_db_error(e)
return
else:
print 'Backend config not found. Would you like to create it?'
print '(WARNING: Creating will destroy all data on backend!!!)'
c = raw_input('Proceed? (y/n) ')
if c != 'y' and c != 'Y':
return
print '(WARNING: Creating will destroy all data on backend!!!)'
c = raw_input('Proceed? (y/n) ')
if c == 'y' or c == 'Y':
if flavor_label is None:
print "error: backend needs to be associated with flavor"
sys.exit(2)
try:
flavors = db.sm_flavor_get(ctxt, flavor_label)
except exception.NotFound as ex:
print "error: %s" % ex
sys.exit(2)
config_params = "".join(['%s=%s ' %
(key, params[key]) for key in params])
try:
db.sm_backend_conf_create(ctxt,
dict(flavor_id=flavors[0]['id'],
sr_uuid=None,
sr_type=sr_type,
config_params=config_params))
except exception.DBError, e:
_db_error(e)
def backend_remove(self, backend_conf_id):
try:
db.sm_backend_conf_delete(context.get_admin_context(),
backend_conf_id)
except exception.DBError, e:
_db_error(e)
class AgentBuildCommands(object):
"""Class for managing agent builds."""
def create(self, os, architecture, version, url, md5hash,
hypervisor='xen'):
"""Creates a new agent build."""
ctxt = context.get_admin_context()
agent_build = db.agent_build_create(ctxt,
{'hypervisor': hypervisor,
'os': os,
'architecture': architecture,
'version': version,
'url': url,
'md5hash': md5hash})
def delete(self, os, architecture, hypervisor='xen'):
"""Deletes an existing agent build."""
ctxt = context.get_admin_context()
agent_build_ref = db.agent_build_get_by_triple(ctxt,
hypervisor, os, architecture)
db.agent_build_destroy(ctxt, agent_build_ref['id'])
def list(self, hypervisor=None):
"""Lists all agent builds.
arguments: <none>"""
fmt = "%-10s %-8s %12s %s"
ctxt = context.get_admin_context()
by_hypervisor = {}
for agent_build in db.agent_build_get_all(ctxt):
buildlist = by_hypervisor.get(agent_build.hypervisor)
if not buildlist:
buildlist = by_hypervisor[agent_build.hypervisor] = []
buildlist.append(agent_build)
for key, buildlist in by_hypervisor.iteritems():
if hypervisor and key != hypervisor:
continue
print "Hypervisor: %s" % key
print fmt % ('-' * 10, '-' * 8, '-' * 12, '-' * 32)
for agent_build in buildlist:
print fmt % (agent_build.os, agent_build.architecture,
agent_build.version, agent_build.md5hash)
print ' %s' % agent_build.url
print
def modify(self, os, architecture, version, url, md5hash,
hypervisor='xen'):
"""Update an existing agent build."""
ctxt = context.get_admin_context()
agent_build_ref = db.agent_build_get_by_triple(ctxt,
hypervisor, os, architecture)
db.agent_build_update(ctxt, agent_build_ref['id'],
{'version': version,
'url': url,
'md5hash': md5hash})
class ConfigCommands(object):
"""Class for exposing the flags defined by flag_file(s)."""
def __init__(self):
pass
def list(self):
for key, value in FLAGS.FlagValuesDict().iteritems():
if value is not None:
print '%s = %s' % (key, value)
class GetLogCommands(object):
"""Get logging information"""
def errors(self):
"""Get all of the errors from the log files"""
if FLAGS.logdir:
error_found = 0
logs = [x for x in os.listdir(FLAGS.logdir) if x.endswith('.log')]
for file in logs:
log_file = os.path.join(FLAGS.logdir, file)
lines = [line.strip() for line in open(log_file, "r")]
lines.reverse()
print_name = 0
for index, line in enumerate(lines):
if line.find(" ERROR ") > 0:
error_found += 1
if print_name == 0:
print log_file + ":-"
print_name = 1
print "Line %d : %s" % (len(lines) - index, line)
if error_found == 0:
print "No errors in logfiles!"
def syslog(self, num_entries=10):
"""Get <num_entries> of the nova syslog events"""
entries = int(num_entries)
count = 0
lines = [line.strip() for line in open('/var/log/syslog', "r")]
lines.reverse()
print "Last %s nova syslog entries:-" % (entries)
for line in lines:
if line.find("nova") > 0:
count += 1
print "%s" % (line)
if count == entries:
break
if count == 0:
print "No nova entries in syslog!"
CATEGORIES = [
('account', AccountCommands),
('agent', AgentBuildCommands),
('config', ConfigCommands),
('db', DbCommands),
('drive', VsaDriveTypeCommands),
('fixed', FixedIpCommands),
('flavor', InstanceTypeCommands),
('floating', FloatingIpCommands),
('host', HostCommands),
('instance_type', InstanceTypeCommands),
('image', ImageCommands),
('network', NetworkCommands),
('project', ProjectCommands),
('role', RoleCommands),
('service', ServiceCommands),
('shell', ShellCommands),
('sm', StorageManagerCommands),
('user', UserCommands),
('version', VersionCommands),
('vm', VmCommands),
('volume', VolumeCommands),
('vpn', VpnCommands),
('vsa', VsaCommands),
('logs', GetLogCommands)]
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."""
flagfile = utils.default_flagfile()
if flagfile and not os.access(flagfile, os.R_OK):
st = os.stat(flagfile)
print "Could not read %s. Re-running with sudo" % flagfile
try:
os.execvp('sudo', ['sudo', '-u', '#%s' % st.st_uid] + sys.argv)
except:
print 'sudo failed, continuing as if nothing happened'
argv = FLAGS(sys.argv)
logging.setup()
script_name = argv.pop(0)
if len(argv) < 1:
print _("\nOpenStack Nova version: %s (%s)\n") %\
(version.version_string(), version.version_string_with_vcs())
print script_name + " category action [<args>]"
print _("Available categories:")
for k, _v 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:
if hasattr(command_object, '__call__'):
action = ''
fn = command_object.__call__
else:
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)
else:
action = argv.pop(0)
matches = lazy_match(action, actions)
action, fn = matches[0]
# For not decorated methods
options = getattr(fn, 'options', [])
usage = "%%prog %s %s <args> [options]" % (category, action)
parser = optparse.OptionParser(usage=usage)
for ar, kw in options:
parser.add_option(*ar, **kw)
(opts, fn_args) = parser.parse_args(argv)
fn_kwargs = vars(opts)
for k, v in fn_kwargs.items():
if v is None:
del fn_kwargs[k]
# call the action with the remaining arguments
try:
fn(*fn_args, **fn_kwargs)
rpc.cleanup()
sys.exit(0)
except TypeError:
print _("Possible wrong number of arguments supplied")
print fn.__doc__
parser.print_help()
raise
except Exception:
print _("Command failed, please check log for more info")
raise
if __name__ == '__main__':
main()
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