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nova/bin/nova-manage

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#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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 gettext
import glob
import json
import netaddr
import os
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.api.ec2 import ec2utils
from nova.auth import manager
from nova.cloudpipe import pipelib
from nova.compute import instance_types
from nova.db import migration
FLAGS = flags.FLAGS
flags.DECLARE('fixed_range', 'nova.network.manager')
flags.DECLARE('num_networks', '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('fixed_range_v6', 'nova.network.manager')
flags.DECLARE('gateway_v6', 'nova.network.manager')
flags.DECLARE('libvirt_type', 'nova.virt.libvirt.connection')
flags.DEFINE_flag(flags.HelpFlag())
flags.DEFINE_flag(flags.HelpshortFlag())
flags.DEFINE_flag(flags.HelpXMLFlag())
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()
def list(self, project=None):
"""Print a listing of the VPN data for one or all projects.
args: [project=all]"""
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['state_description'],
print state
else:
print None
def spawn(self):
"""Run all VPNs."""
for p in reversed(self.manager.get_projects()):
if not self._vpn_for(p.id):
print 'spawning %s' % p.id
self.pipe.launch_vpn_instance(p.id)
time.sleep(10)
def run(self, project_id):
"""Start the VPN for a given project."""
self.pipe.launch_vpn_instance(project_id)
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
args: project, ip, port"""
# TODO(tr3buchet): perhaps this shouldn't update all networks
# associated with a project in the future
project = self.manager.get_project(project_id)
if not project:
print 'No project %s' % (project_id)
return
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)})
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')
def run(self, shell=None):
"""Runs a Python interactive interpreter.
args: [shell=bpython]"""
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()
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())
class RoleCommands(object):
"""Class for managing roles."""
def __init__(self):
self.manager = manager.AuthManager()
def add(self, user, role, project=None):
"""adds role to user
if project is specified, adds project specific role
arguments: user, role [project]"""
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)
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
arguments: user, role [project]"""
print self.manager.has_role(user, role, project)
def remove(self, user, role, project=None):
"""removes role from user
if project is specified, removes project specific role
arguments: user, role [project]"""
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()
def admin(self, name, access=None, secret=None):
"""creates a new admin and prints exports
arguments: name [access] [secret]"""
try:
user = self.manager.create_user(name, access, secret, True)
except exception.DBError, e:
_db_error(e)
self._print_export(user)
def create(self, name, access=None, secret=None):
"""creates a new user and prints exports
arguments: name [access] [secret]"""
try:
user = self.manager.create_user(name, access, secret, False)
except exception.DBError, e:
_db_error(e)
self._print_export(user)
def delete(self, name):
"""deletes an existing user
arguments: name"""
self.manager.delete_user(name)
def exports(self, name):
"""prints access and secrets for user in export format
arguments: name"""
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
arguments: <none>"""
for user in self.manager.get_users():
print user.name
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)
def revoke(self, user_id, project_id=None):
"""revoke certs for a user
arguments: user_id [project_id]"""
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()
def add(self, project_id, user_id):
"""Adds user to project
arguments: project_id user_id"""
try:
self.manager.add_to_project(user_id, project_id)
except exception.UserNotFound as ex:
print ex
raise
def create(self, name, project_manager, description=None):
"""Creates a new project
arguments: name project_manager [description]"""
try:
self.manager.create_project(name, project_manager, description)
except exception.UserNotFound as ex:
print ex
raise
def modify(self, name, project_manager, description=None):
"""Modifies a project
arguments: name project_manager [description]"""
try:
self.manager.modify_project(name, project_manager, description)
except exception.UserNotFound as ex:
print ex
raise
def delete(self, name):
"""Deletes an existing project
arguments: name"""
try:
self.manager.delete_project(name)
except exception.ProjectNotFound as ex:
print ex
raise
def environment(self, project_id, user_id, filename='novarc'):
"""Exports environment variables to an sourcable file
arguments: project_id user_id [filename='novarc]"""
try:
rc = self.manager.get_environment_rc(user_id, project_id)
except (exception.UserNotFound, exception.ProjectNotFound) as ex:
print ex
raise
with open(filename, 'w') as f:
f.write(rc)
def list(self, username=None):
"""Lists all projects
arguments: [username]"""
for project in self.manager.get_projects(username):
print project.name
def quota(self, project_id, key=None, value=None):
"""Set or display quotas for project
arguments: project_id [key] [value]"""
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)
def remove(self, project_id, user_id):
"""Removes user from project
arguments: project_id user_id"""
try:
self.manager.remove_from_project(user_id, project_id)
except (exception.UserNotFound, exception.ProjectNotFound) as ex:
print ex
raise
def scrub(self, project_id):
"""Deletes data associated with project
arguments: project_id"""
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'])
def zipfile(self, project_id, user_id, filename='nova.zip'):
"""Exports credentials for project to a zip file
arguments: project_id user_id [filename='nova.zip]"""
try:
zip_file = self.manager.get_credentials(user_id, project_id)
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 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."""
def list(self, host=None):
"""Lists all fixed ips (optionally by host) arguments: [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_host(ctxt, host)
except exception.NotFound as ex:
print "error: %s" % ex
sys.exit(2)
print "%-18s\t%-15s\t%-17s\t%-15s\t%s" % (_('network'),
_('IP address'),
_('MAC address'),
_('hostname'),
_('host'))
for fixed_ip in fixed_ips:
hostname = None
host = None
mac_address = None
if fixed_ip['instance']:
instance = fixed_ip['instance']
hostname = instance['hostname']
host = instance['host']
mac_address = fixed_ip['mac_address']['address']
print "%-18s\t%-15s\t%-17s\t%-15s\t%s" % (
fixed_ip['network']['cidr'],
fixed_ip['address'],
mac_address, hostname, host)
class FloatingIpCommands(object):
"""Class for managing floating ip."""
def create(self, range):
"""Creates floating ips for zone by range
arguments: ip_range"""
for address in netaddr.IPNetwork(range):
db.floating_ip_create(context.get_admin_context(),
{'address': str(address)})
def delete(self, ip_range):
"""Deletes floating ips by range
arguments: range"""
for address in netaddr.IPNetwork(ip_range):
db.floating_ip_destroy(context.get_admin_context(),
str(address))
def list(self, host=None):
"""Lists all floating ips (optionally by host)
arguments: [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 = None
if floating_ip['fixed_ip']:
instance = floating_ip['fixed_ip']['instance']['hostname']
print "%s\t%s\t%s" % (floating_ip['host'],
floating_ip['address'],
instance)
class NetworkCommands(object):
"""Class for managing networks."""
def create(self, label=None, fixed_range=None, num_networks=None,
network_size=None, vlan_start=None,
vpn_start=None, fixed_range_v6=None, gateway_v6=None,
flat_network_bridge=None, bridge_interface=None):
"""Creates fixed ips for host by range
arguments: label, fixed_range, [num_networks=FLAG],
[network_size=FLAG], [vlan_start=FLAG],
[vpn_start=FLAG], [fixed_range_v6=FLAG], [gateway_v6=FLAG],
[flat_network_bridge=FLAG], [bridge_interface=FLAG]
If you wish to use a later argument fill in the gaps with 0s
Ex: network create private 10.0.0.0/8 1 15 0 0 0 0 xenbr1 eth1
network create private 10.0.0.0/8 1 15
"""
if not label:
msg = _('a label (ex: public) is required to create networks.')
print msg
raise TypeError(msg)
if not fixed_range:
msg = _('Fixed range in the form of 10.0.0.0/8 is '
'required to create networks.')
print msg
raise TypeError(msg)
if not num_networks:
num_networks = FLAGS.num_networks
if not network_size:
network_size = FLAGS.network_size
if not vlan_start:
vlan_start = FLAGS.vlan_start
if not vpn_start:
vpn_start = FLAGS.vpn_start
if not fixed_range_v6:
fixed_range_v6 = FLAGS.fixed_range_v6
if not flat_network_bridge:
flat_network_bridge = FLAGS.flat_network_bridge
if not bridge_interface:
bridge_interface = FLAGS.flat_interface or FLAGS.vlan_interface
if not gateway_v6:
gateway_v6 = FLAGS.gateway_v6
net_manager = utils.import_object(FLAGS.network_manager)
try:
net_manager.create_networks(context.get_admin_context(),
label=label,
cidr=fixed_range,
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_v6=gateway_v6,
bridge=flat_network_bridge,
bridge_interface=bridge_interface)
except ValueError, e:
print e
raise e
def list(self):
"""List all created networks"""
print "%-18s\t%-15s\t%-15s\t%-15s" % (_('network'),
_('netmask'),
_('start address'),
'DNS')
for network in db.network_get_all(context.get_admin_context()):
print "%-18s\t%-15s\t%-15s\t%-15s" % (network.cidr,
network.netmask,
network.dhcp_start,
network.dns)
def delete(self, fixed_range):
"""Deletes a network"""
network = db.network_get_by_cidr(context.get_admin_context(), \
fixed_range)
if network.project_id is not None:
raise ValueError(_('Network must be disassociated from project %s'
' before delete' % network.project_id))
db.network_delete_safe(context.get_admin_context(), network.id)
class VmCommands(object):
"""Class for mangaging VM instances."""
def list(self, host=None):
"""Show a list of all instances
:param host: show all instance on specified host.
:param instance: show specificed instance.
"""
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['hostname'],
instance['host'],
instance['instance_type'].name,
instance['state_description'],
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 live_migration(self, ec2_id, dest):
"""Migrates a running instance to a new machine.
:param ec2_id: instance id which comes from euca-describe-instance.
:param dest: destination host name.
"""
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.AOEDriver' and \
FLAGS.volume_driver != 'nova.volume.driver.ISCSIDriver'):
msg = _("Support only AOEDriver and 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}})
print _('Migration of %s initiated.'
'Check its progress using euca-describe-instances.') % ec2_id
class ServiceCommands(object):
"""Enable and disable running services"""
def list(self, host=None, service=None):
"""Show a list of all running services. Filter by host & service name.
args: [host] [service]"""
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]
for svc in services:
delta = now - (svc['updated_at'] or svc['created_at'])
alive = (delta.seconds <= 15)
art = (alive and ":-)") or "XXX"
active = 'enabled'
if svc['disabled']:
active = 'disabled'
print "%-10s %-10s %-8s %s %s" % (svc['host'], svc['binary'],
active, art,
svc['updated_at'])
def enable(self, host, service):
"""Enable scheduling for a service
args: host 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})
def disable(self, host, service):
"""Disable scheduling for a service
args: host 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})
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 type(result) != dict:
print _('An unexpected error has occurred.')
print _('[Result]'), result
else:
cpu = result['resource']['vcpus']
mem = result['resource']['memory_mb']
hdd = result['resource']['local_gb']
cpu_u = result['resource']['vcpus_used']
mem_u = result['resource']['memory_mb_used']
hdd_u = result['resource']['local_gb_used']
print 'HOST\t\t\tPROJECT\t\tcpu\tmem(mb)\tdisk(gb)'
print '%s(total)\t\t\t%s\t%s\t%s' % (host, cpu, mem, hdd)
print '%s(used)\t\t\t%s\t%s\t%s' % (host, cpu_u, mem_u, hdd_u)
for p_id, val in result['usage'].items():
print '%s\t\t%s\t\t%s\t%s\t%s' % (host,
p_id,
val['vcpus'],
val['memory_mb'],
val['local_gb'])
def update_resource(self, host):
"""Updates available vcpu/memory/disk info for host.
:param host: hostname.
"""
ctxt = context.get_admin_context()
service_refs = db.service_get_all_by_host(ctxt, host)
if len(service_refs) <= 0:
raise exception.Invalid(_('%s does not exist.') % host)
service_refs = [s for s in service_refs if s['topic'] == 'compute']
if len(service_refs) <= 0:
raise exception.Invalid(_('%s is not compute node.') % host)
rpc.call(ctxt,
db.queue_get_for(ctxt, FLAGS.compute_topic, host),
{"method": "update_available_resource"})
class DbCommands(object):
"""Class for managing the database."""
def __init__(self):
pass
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())
class VolumeCommands(object):
"""Methods for dealing with a cloud in an odd state"""
def delete(self, volume_id):
"""Delete a volume, bypassing the check that it
must be available.
args: volume_id_id"""
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']}})
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.
args: volume_id_id"""
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, Storage: %sGB, FlavorID: %s, "
"Swap: %sGB, RXTX Quota: %sGB, RXTX Cap: %sMB%s") % (
name, val["memory_mb"], val["vcpus"], val["local_gb"],
val["flavorid"], val["swap"], val["rxtx_quota"],
val["rxtx_cap"], deleted)
def create(self, name, memory, vcpus, local_gb, flavorid,
swap=0, rxtx_quota=0, rxtx_cap=0):
"""Creates instance types / flavors
arguments: name memory vcpus local_gb flavorid [swap] [rxtx_quota]
[rxtx_cap]
"""
try:
instance_types.create(name, memory, vcpus, local_gb,
flavorid, swap, rxtx_quota, rxtx_cap)
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:
print "Unknown error"
sys.exit(3)
else:
print "%s created" % name
def delete(self, name, purge=None):
"""Marks instance types / flavors as deleted
arguments: name"""
try:
if purge == "--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:
sys.exit(3)
else:
print "%s %s" % (name, verb)
def list(self, name=None):
"""Lists all active or specific instance types / flavors
arguments: [name]"""
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'] = int(kernel_id)
if ramdisk_id:
meta['properties']['ramdisk_id'] = int(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 (%(new)08x).") % locals()
return new
except Exception as exc:
print _("Failed to register %(path)s: %(exc)s") % locals()
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
arguments: image kernel ramdisk owner [name] [is_public='T']
[architecture='x86_64']"""
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)
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
arguments: path owner [name] [is_public='T'] [architecture='x86_64']
[container_format='bare'] [disk_format='raw']
[kernel_id=None] [ramdisk_id=None]
"""
return self._register(container_format, disk_format, path,
owner, name, is_public, architecture,
kernel_id, ramdisk_id)
def kernel_register(self, path, owner, name=None, is_public='T',
architecture='x86_64'):
"""Uploads a kernel into the image_service
arguments: path owner [name] [is_public='T'] [architecture='x86_64']
"""
return self._register('aki', 'aki', path, owner, name,
is_public, architecture)
def ramdisk_register(self, path, owner, name=None, is_public='T',
architecture='x86_64'):
"""Uploads a ramdisk into the image_service
arguments: path owner [name] [is_public='T'] [architecture='x86_64']
"""
return self._register('ari', 'ari', path, owner, name,
is_public, architecture)
def _lookup(self, old_image_id):
try:
internal_id = ec2utils.ec2_id_to_id(old_image_id)
image = self.image_service.show(context, internal_id)
except (exception.InvalidEc2Id, exception.ImageNotFound):
image = self.image_service.show_by_name(context, 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 (%(new)08x).") % locals()
except Exception as exc:
print _("Failed to convert %(old)s: %(exc)s") % locals()
def convert(self, directory):
"""Uploads old objectstore images in directory to new service
arguments: directory"""
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 AgentBuildCommands(object):
"""Class for managing agent builds."""
def create(self, os, architecture, version, url, md5hash,
hypervisor='xen'):
"""Creates a new agent build.
arguments: os architecture version url md5hash [hypervisor='xen']"""
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.
arguments: os architecture [hypervisor='xen']"""
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.
arguments: os architecture version url md5hash [hypervisor='xen']
"""
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):
print FLAGS.FlagsIntoString()
CATEGORIES = [
('account', AccountCommands),
('agent', AgentBuildCommands),
('config', ConfigCommands),
('db', DbCommands),
('fixed', FixedIpCommands),
('flavor', InstanceTypeCommands),
('floating', FloatingIpCommands),
('instance_type', InstanceTypeCommands),
('image', ImageCommands),
('network', NetworkCommands),
('project', ProjectCommands),
('role', RoleCommands),
('service', ServiceCommands),
('shell', ShellCommands),
('user', UserCommands),
('version', VersionCommands),
('vm', VmCommands),
('volume', VolumeCommands),
('vpn', VpnCommands)]
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)
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:
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
except Exception:
print _("Command failed, please check log for more info")
raise
if __name__ == '__main__':
main()
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