337 lines
14 KiB
Python
337 lines
14 KiB
Python
#!/usr/bin/env python
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#
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# Copyright 2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import logging.config
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import sys
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import time
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from nodepool import nodedb
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from nodepool import nodepool
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from nodepool.version import version_info as npc_version_info
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from prettytable import PrettyTable
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class NodePoolCmd(object):
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def __init__(self):
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self.args = None
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def parse_arguments(self):
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parser = argparse.ArgumentParser(description='Node pool.')
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parser.add_argument('-c', dest='config',
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default='/etc/nodepool/nodepool.yaml',
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help='path to config file')
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parser.add_argument('--version', action='version',
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version=npc_version_info.version_string(),
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help='show version')
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parser.add_argument('--debug', dest='debug', action='store_true',
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help='show DEBUG level logging')
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subparsers = parser.add_subparsers(title='commands',
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description='valid commands',
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help='additional help')
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cmd_list = subparsers.add_parser('list', help='list nodes')
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cmd_list.set_defaults(func=self.list)
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cmd_image_list = subparsers.add_parser(
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'image-list', help='list images from providers')
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cmd_image_list.set_defaults(func=self.image_list)
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cmd_dib_image_list = subparsers.add_parser(
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'dib-image-list',
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help='list images built with diskimage-builder')
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cmd_dib_image_list.set_defaults(func=self.dib_image_list)
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cmd_image_update = subparsers.add_parser(
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'image-update',
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help='rebuild the image and upload to provider')
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cmd_image_update.add_argument(
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'provider',
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help='provider name (`all` for uploading to all providers)')
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cmd_image_update.add_argument('image', help='image name')
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cmd_image_update.set_defaults(func=self.image_update)
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cmd_image_build = subparsers.add_parser(
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'image-build',
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help='build image using diskimage-builder')
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cmd_image_build.add_argument('image', help='image name')
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cmd_image_build.set_defaults(func=self.image_build)
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cmd_alien_list = subparsers.add_parser(
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'alien-list',
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help='list nodes not accounted for by nodepool')
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cmd_alien_list.set_defaults(func=self.alien_list)
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cmd_alien_list.add_argument('provider', help='provider name',
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nargs='?')
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cmd_alien_image_list = subparsers.add_parser(
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'alien-image-list',
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help='list images not accounted for by nodepool')
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cmd_alien_image_list.set_defaults(func=self.alien_image_list)
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cmd_alien_image_list.add_argument('provider', help='provider name',
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nargs='?')
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cmd_hold = subparsers.add_parser(
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'hold',
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help='place a node in the HOLD state')
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cmd_hold.set_defaults(func=self.hold)
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cmd_hold.add_argument('id', help='node id')
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cmd_delete = subparsers.add_parser(
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'delete',
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help='place a node in the DELETE state')
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cmd_delete.set_defaults(func=self.delete)
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cmd_delete.add_argument('id', help='node id')
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cmd_delete.add_argument('--now',
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action='store_true',
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help='delete the node in the foreground')
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cmd_image_delete = subparsers.add_parser(
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'image-delete',
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help='delete an image')
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cmd_image_delete.set_defaults(func=self.image_delete)
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cmd_image_delete.add_argument('id', help='image id')
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cmd_dib_image_delete = subparsers.add_parser(
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'dib-image-delete',
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help='delete image built with diskimage-builder')
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cmd_dib_image_delete.set_defaults(func=self.dib_image_delete)
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cmd_dib_image_delete.add_argument('id', help='dib image id')
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cmd_image_upload = subparsers.add_parser(
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'image-upload',
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help='upload an image to a provider ')
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cmd_image_upload.set_defaults(func=self.image_upload)
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cmd_image_upload.add_argument(
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'provider',
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help='provider name (`all` for uploading to all providers)',
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nargs='?', default='all')
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cmd_image_upload.add_argument('image', help='image name')
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self.args = parser.parse_args()
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def setup_logging(self):
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if self.args.debug:
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logging.basicConfig(level=logging.DEBUG,
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format='%(asctime)s %(levelname)s %(name)s: '
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'%(message)s')
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else:
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logging.basicConfig(level=logging.INFO,
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format='%(asctime)s %(levelname)s %(name)s: '
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'%(message)s')
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def list(self, node_id=None):
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t = PrettyTable(["ID", "Provider", "AZ", "Label", "Target", "Hostname",
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"NodeName", "Server ID", "IP", "State",
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"Age (hours)"])
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t.align = 'l'
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now = time.time()
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with self.pool.getDB().getSession() as session:
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for node in session.getNodes():
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if node_id and node.id != node_id:
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continue
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t.add_row([node.id, node.provider_name, node.az,
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node.label_name, node.target_name, node.hostname,
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node.nodename, node.external_id, node.ip,
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nodedb.STATE_NAMES[node.state],
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'%.02f' % ((now - node.state_time) / 3600)])
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print t
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def dib_image_list(self):
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t = PrettyTable(["ID", "Image", "Filename", "Version",
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"State", "Age (hours)"])
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t.align = 'l'
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now = time.time()
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with self.pool.getDB().getSession() as session:
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for image in session.getDibImages():
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t.add_row([image.id, image.image_name,
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image.filename, image.version,
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nodedb.STATE_NAMES[image.state],
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'%.02f' % ((now - image.state_time) / 3600)])
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print t
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def image_list(self):
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t = PrettyTable(["ID", "Provider", "Image", "Hostname", "Version",
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"Image ID", "Server ID", "State", "Age (hours)"])
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t.align = 'l'
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now = time.time()
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with self.pool.getDB().getSession() as session:
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for image in session.getSnapshotImages():
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t.add_row([image.id, image.provider_name, image.image_name,
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image.hostname, image.version,
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image.external_id, image.server_external_id,
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nodedb.STATE_NAMES[image.state],
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'%.02f' % ((now - image.state_time) / 3600)])
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print t
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def image_update(self):
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with self.pool.getDB().getSession() as session:
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self.pool.reconfigureManagers(self.pool.config)
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label = self.pool.config.labels.get(self.args.image)
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def provider_save_image(provider_name):
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"""Method to save an image to the given provider.
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This works either by uploading a previously build dib
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image or by spinning up a node and taking a snapshot
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of that node.
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This is a closure around the DB session and label being
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updated.
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"""
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if provider_name in label.diskimage_providers:
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self.pool.uploadImage(session, provider_name,
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label.name)
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elif provider_name in label.snapshot_providers:
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self.pool.updateImage(session, provider_name,
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label.name)
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elif provider_name in self.pool.config.providers:
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raise Exception("Provider %s does not provide label %s"
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% (provider_name, label.name))
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else:
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raise Exception("Provider %s does not exist"
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% provider_name)
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if label and self.args.provider == 'all':
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if label.diskimage_providers:
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self.image_build()
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for provider_name in label.providers:
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provider_save_image(provider_name)
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elif label:
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if label.diskimage_providers.get(self.args.provider):
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self.image_build()
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provider_save_image(self.args.provider)
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else:
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raise Exception("Trying to update unknown label: %s"
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% self.args.image)
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def image_build(self):
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if self.args.image not in self.pool.config.diskimages:
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# only can build disk images, not snapshots
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raise Exception("Trying to build a non disk-image-builder "
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"image: %s" % self.args.image)
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self.pool.reconfigureImageBuilder()
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self.pool.buildImage(self.pool.config.diskimages[self.args.image])
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self.pool.waitForBuiltImages()
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def image_upload(self):
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self.pool.reconfigureManagers(self.pool.config)
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if not self.args.image in self.pool.config.diskimages:
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# only can build disk images, not snapshots
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raise Exception("Trying to upload a non disk-image-builder "
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"image: %s" % self.args.image)
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with self.pool.getDB().getSession() as session:
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if self.args.provider == 'all':
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# iterate for all providers listed in label
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for provider in self.pool.config.providers.values():
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for image in provider.images.values():
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if self.args.image == image.name:
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self.pool.uploadImage(session, provider.name,
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self.args.image)
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break
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else:
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self.pool.uploadImage(session, self.args.provider,
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self.args.image)
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def alien_list(self):
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self.pool.reconfigureManagers(self.pool.config)
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t = PrettyTable(["Provider", "Hostname", "Server ID", "IP"])
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t.align = 'l'
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with self.pool.getDB().getSession() as session:
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for provider in self.pool.config.providers.values():
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if (self.args.provider and
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provider.name != self.args.provider):
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continue
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manager = self.pool.getProviderManager(provider)
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for server in manager.listServers():
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if not session.getNodeByExternalID(
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provider.name, server['id']):
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t.add_row([provider.name, server['name'], server['id'],
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server['public_v4']])
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print t
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def alien_image_list(self):
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self.pool.reconfigureManagers(self.pool.config)
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t = PrettyTable(["Provider", "Name", "Image ID"])
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t.align = 'l'
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with self.pool.getDB().getSession() as session:
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for provider in self.pool.config.providers.values():
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if (self.args.provider and
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provider.name != self.args.provider):
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continue
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manager = self.pool.getProviderManager(provider)
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for image in manager.listImages():
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if image['metadata'].get('image_type') == 'snapshot':
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if not session.getSnapshotImageByExternalID(
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provider.name, image['id']):
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t.add_row([provider.name, image['name'],
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image['id']])
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print t
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def hold(self):
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node_id = None
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with self.pool.getDB().getSession() as session:
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node = session.getNode(self.args.id)
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node.state = nodedb.HOLD
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node_id = node.id
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self.list(node_id=node_id)
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def delete(self):
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self.pool.reconfigureManagers(self.pool.config)
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with self.pool.getDB().getSession() as session:
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node = session.getNode(self.args.id)
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if not node:
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print "Node %s not found." % self.args.id
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elif self.args.now:
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self.pool._deleteNode(session, node)
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else:
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node.state = nodedb.DELETE
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self.list(node_id=node.id)
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def dib_image_delete(self):
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self.pool.reconfigureManagers(self.pool.config)
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with self.pool.getDB().getSession() as session:
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dib_image = session.getDibImage(self.args.id)
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self.pool.deleteDibImage(dib_image)
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def image_delete(self):
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self.pool.reconfigureManagers(self.pool.config)
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self.pool.deleteImage(self.args.id)
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def main(self):
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self.pool = nodepool.NodePool(self.args.config)
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config = self.pool.loadConfig()
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self.pool.reconfigureDatabase(config)
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self.pool.setConfig(config)
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self.args.func()
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def main():
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npc = NodePoolCmd()
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npc.parse_arguments()
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npc.setup_logging()
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return npc.main()
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if __name__ == "__main__":
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sys.exit(main())
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