nodepool/nodepool/cmd/nodepoolcmd.py

337 lines
14 KiB
Python

#!/usr/bin/env python
#
# Copyright 2013 OpenStack Foundation
#
# 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.
import argparse
import logging.config
import sys
import time
from nodepool import nodedb
from nodepool import nodepool
from nodepool.version import version_info as npc_version_info
from prettytable import PrettyTable
class NodePoolCmd(object):
def __init__(self):
self.args = None
def parse_arguments(self):
parser = argparse.ArgumentParser(description='Node pool.')
parser.add_argument('-c', dest='config',
default='/etc/nodepool/nodepool.yaml',
help='path to config file')
parser.add_argument('--version', action='version',
version=npc_version_info.version_string(),
help='show version')
parser.add_argument('--debug', dest='debug', action='store_true',
help='show DEBUG level logging')
subparsers = parser.add_subparsers(title='commands',
description='valid commands',
help='additional help')
cmd_list = subparsers.add_parser('list', help='list nodes')
cmd_list.set_defaults(func=self.list)
cmd_image_list = subparsers.add_parser(
'image-list', help='list images from providers')
cmd_image_list.set_defaults(func=self.image_list)
cmd_dib_image_list = subparsers.add_parser(
'dib-image-list',
help='list images built with diskimage-builder')
cmd_dib_image_list.set_defaults(func=self.dib_image_list)
cmd_image_update = subparsers.add_parser(
'image-update',
help='rebuild the image and upload to provider')
cmd_image_update.add_argument(
'provider',
help='provider name (`all` for uploading to all providers)')
cmd_image_update.add_argument('image', help='image name')
cmd_image_update.set_defaults(func=self.image_update)
cmd_image_build = subparsers.add_parser(
'image-build',
help='build image using diskimage-builder')
cmd_image_build.add_argument('image', help='image name')
cmd_image_build.set_defaults(func=self.image_build)
cmd_alien_list = subparsers.add_parser(
'alien-list',
help='list nodes not accounted for by nodepool')
cmd_alien_list.set_defaults(func=self.alien_list)
cmd_alien_list.add_argument('provider', help='provider name',
nargs='?')
cmd_alien_image_list = subparsers.add_parser(
'alien-image-list',
help='list images not accounted for by nodepool')
cmd_alien_image_list.set_defaults(func=self.alien_image_list)
cmd_alien_image_list.add_argument('provider', help='provider name',
nargs='?')
cmd_hold = subparsers.add_parser(
'hold',
help='place a node in the HOLD state')
cmd_hold.set_defaults(func=self.hold)
cmd_hold.add_argument('id', help='node id')
cmd_delete = subparsers.add_parser(
'delete',
help='place a node in the DELETE state')
cmd_delete.set_defaults(func=self.delete)
cmd_delete.add_argument('id', help='node id')
cmd_delete.add_argument('--now',
action='store_true',
help='delete the node in the foreground')
cmd_image_delete = subparsers.add_parser(
'image-delete',
help='delete an image')
cmd_image_delete.set_defaults(func=self.image_delete)
cmd_image_delete.add_argument('id', help='image id')
cmd_dib_image_delete = subparsers.add_parser(
'dib-image-delete',
help='delete image built with diskimage-builder')
cmd_dib_image_delete.set_defaults(func=self.dib_image_delete)
cmd_dib_image_delete.add_argument('id', help='dib image id')
cmd_image_upload = subparsers.add_parser(
'image-upload',
help='upload an image to a provider ')
cmd_image_upload.set_defaults(func=self.image_upload)
cmd_image_upload.add_argument(
'provider',
help='provider name (`all` for uploading to all providers)',
nargs='?', default='all')
cmd_image_upload.add_argument('image', help='image name')
self.args = parser.parse_args()
def setup_logging(self):
if self.args.debug:
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(levelname)s %(name)s: '
'%(message)s')
else:
logging.basicConfig(level=logging.INFO,
format='%(asctime)s %(levelname)s %(name)s: '
'%(message)s')
def list(self, node_id=None):
t = PrettyTable(["ID", "Provider", "AZ", "Label", "Target", "Hostname",
"NodeName", "Server ID", "IP", "State",
"Age (hours)"])
t.align = 'l'
now = time.time()
with self.pool.getDB().getSession() as session:
for node in session.getNodes():
if node_id and node.id != node_id:
continue
t.add_row([node.id, node.provider_name, node.az,
node.label_name, node.target_name, node.hostname,
node.nodename, node.external_id, node.ip,
nodedb.STATE_NAMES[node.state],
'%.02f' % ((now - node.state_time) / 3600)])
print t
def dib_image_list(self):
t = PrettyTable(["ID", "Image", "Filename", "Version",
"State", "Age (hours)"])
t.align = 'l'
now = time.time()
with self.pool.getDB().getSession() as session:
for image in session.getDibImages():
t.add_row([image.id, image.image_name,
image.filename, image.version,
nodedb.STATE_NAMES[image.state],
'%.02f' % ((now - image.state_time) / 3600)])
print t
def image_list(self):
t = PrettyTable(["ID", "Provider", "Image", "Hostname", "Version",
"Image ID", "Server ID", "State", "Age (hours)"])
t.align = 'l'
now = time.time()
with self.pool.getDB().getSession() as session:
for image in session.getSnapshotImages():
t.add_row([image.id, image.provider_name, image.image_name,
image.hostname, image.version,
image.external_id, image.server_external_id,
nodedb.STATE_NAMES[image.state],
'%.02f' % ((now - image.state_time) / 3600)])
print t
def image_update(self):
with self.pool.getDB().getSession() as session:
self.pool.reconfigureManagers(self.pool.config)
label = self.pool.config.labels.get(self.args.image)
def provider_save_image(provider_name):
"""Method to save an image to the given provider.
This works either by uploading a previously build dib
image or by spinning up a node and taking a snapshot
of that node.
This is a closure around the DB session and label being
updated.
"""
if provider_name in label.diskimage_providers:
self.pool.uploadImage(session, provider_name,
label.name)
elif provider_name in label.snapshot_providers:
self.pool.updateImage(session, provider_name,
label.name)
elif provider_name in self.pool.config.providers:
raise Exception("Provider %s does not provide label %s"
% (provider_name, label.name))
else:
raise Exception("Provider %s does not exist"
% provider_name)
if label and self.args.provider == 'all':
if label.diskimage_providers:
self.image_build()
for provider_name in label.providers:
provider_save_image(provider_name)
elif label:
if label.diskimage_providers.get(self.args.provider):
self.image_build()
provider_save_image(self.args.provider)
else:
raise Exception("Trying to update unknown label: %s"
% self.args.image)
def image_build(self):
if self.args.image not in self.pool.config.diskimages:
# only can build disk images, not snapshots
raise Exception("Trying to build a non disk-image-builder "
"image: %s" % self.args.image)
self.pool.reconfigureImageBuilder()
self.pool.buildImage(self.pool.config.diskimages[self.args.image])
self.pool.waitForBuiltImages()
def image_upload(self):
self.pool.reconfigureManagers(self.pool.config)
if not self.args.image in self.pool.config.diskimages:
# only can build disk images, not snapshots
raise Exception("Trying to upload a non disk-image-builder "
"image: %s" % self.args.image)
with self.pool.getDB().getSession() as session:
if self.args.provider == 'all':
# iterate for all providers listed in label
for provider in self.pool.config.providers.values():
for image in provider.images.values():
if self.args.image == image.name:
self.pool.uploadImage(session, provider.name,
self.args.image)
break
else:
self.pool.uploadImage(session, self.args.provider,
self.args.image)
def alien_list(self):
self.pool.reconfigureManagers(self.pool.config)
t = PrettyTable(["Provider", "Hostname", "Server ID", "IP"])
t.align = 'l'
with self.pool.getDB().getSession() as session:
for provider in self.pool.config.providers.values():
if (self.args.provider and
provider.name != self.args.provider):
continue
manager = self.pool.getProviderManager(provider)
for server in manager.listServers():
if not session.getNodeByExternalID(
provider.name, server['id']):
t.add_row([provider.name, server['name'], server['id'],
server['public_v4']])
print t
def alien_image_list(self):
self.pool.reconfigureManagers(self.pool.config)
t = PrettyTable(["Provider", "Name", "Image ID"])
t.align = 'l'
with self.pool.getDB().getSession() as session:
for provider in self.pool.config.providers.values():
if (self.args.provider and
provider.name != self.args.provider):
continue
manager = self.pool.getProviderManager(provider)
for image in manager.listImages():
if image['metadata'].get('image_type') == 'snapshot':
if not session.getSnapshotImageByExternalID(
provider.name, image['id']):
t.add_row([provider.name, image['name'],
image['id']])
print t
def hold(self):
node_id = None
with self.pool.getDB().getSession() as session:
node = session.getNode(self.args.id)
node.state = nodedb.HOLD
node_id = node.id
self.list(node_id=node_id)
def delete(self):
self.pool.reconfigureManagers(self.pool.config)
with self.pool.getDB().getSession() as session:
node = session.getNode(self.args.id)
if not node:
print "Node %s not found." % self.args.id
elif self.args.now:
self.pool._deleteNode(session, node)
else:
node.state = nodedb.DELETE
self.list(node_id=node.id)
def dib_image_delete(self):
self.pool.reconfigureManagers(self.pool.config)
with self.pool.getDB().getSession() as session:
dib_image = session.getDibImage(self.args.id)
self.pool.deleteDibImage(dib_image)
def image_delete(self):
self.pool.reconfigureManagers(self.pool.config)
self.pool.deleteImage(self.args.id)
def main(self):
self.pool = nodepool.NodePool(self.args.config)
config = self.pool.loadConfig()
self.pool.reconfigureDatabase(config)
self.pool.setConfig(config)
self.args.func()
def main():
npc = NodePoolCmd()
npc.parse_arguments()
npc.setup_logging()
return npc.main()
if __name__ == "__main__":
sys.exit(main())