509 lines
17 KiB
Python
509 lines
17 KiB
Python
# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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DEPRECATED functions that implement the same command line interface as the
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legacy glance client.
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"""
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import argparse
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import sys
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import urlparse
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from glanceclient.common import utils
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SUCCESS = 0
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FAILURE = 1
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def get_image_fields_from_args(args):
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"""
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Validate the set of arguments passed as field name/value pairs
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and return them as a mapping.
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"""
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fields = {}
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for arg in args:
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pieces = arg.strip(',').split('=')
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if len(pieces) != 2:
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msg = ("Arguments should be in the form of field=value. "
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"You specified %s." % arg)
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raise RuntimeError(msg)
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fields[pieces[0]] = pieces[1]
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return fields
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def get_image_filters_from_args(args):
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"""Build a dictionary of query filters based on the supplied args."""
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try:
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fields = get_image_fields_from_args(args)
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except RuntimeError as e:
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print e
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return FAILURE
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SUPPORTED_FILTERS = ['name', 'disk_format', 'container_format', 'status',
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'min_ram', 'min_disk', 'size_min', 'size_max',
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'changes-since']
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filters = {}
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for (key, value) in fields.items():
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if key not in SUPPORTED_FILTERS:
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key = 'property-%s' % (key,)
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filters[key] = value
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return filters
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def print_image_formatted(client, image):
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"""
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Formatted print of image metadata.
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:param client: The Glance client object
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:param image: The image metadata
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"""
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uri_parts = urlparse.urlparse(client.endpoint)
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if uri_parts.port:
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hostbase = "%s:%s" % (uri_parts.hostname, uri_parts.port)
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else:
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hostbase = uri_parts.hostname
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print "URI: %s://%s/v1/images/%s" % (uri_parts.scheme, hostbase, image.id)
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print "Id: %s" % image.id
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print "Public: " + (image.is_public and "Yes" or "No")
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print "Protected: " + (image.protected and "Yes" or "No")
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print "Name: %s" % getattr(image, 'name', '')
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print "Status: %s" % image.status
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print "Size: %d" % int(image.size)
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print "Disk format: %s" % getattr(image, 'disk_format', '')
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print "Container format: %s" % getattr(image, 'container_format', '')
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print "Minimum Ram Required (MB): %s" % image.min_ram
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print "Minimum Disk Required (GB): %s" % image.min_disk
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if hasattr(image, 'owner'):
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print "Owner: %s" % image.owner
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if len(image.properties) > 0:
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for k, v in image.properties.items():
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print "Property '%s': %s" % (k, v)
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print "Created at: %s" % image.created_at
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if hasattr(image, 'deleted_at'):
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print "Deleted at: %s" % image.deleted_at
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if hasattr(image, 'updated_at'):
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print "Updated at: %s" % image.updated_at
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@utils.arg('--silent-upload', action="store_true",
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help="DEPRECATED! Animations are always off.")
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@utils.arg('fields', default=[], nargs='*', help=argparse.SUPPRESS)
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def do_add(gc, args):
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"""DEPRECATED! Use image-create instead."""
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try:
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fields = get_image_fields_from_args(args.fields)
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except RuntimeError as e:
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print e
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return FAILURE
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image_meta = {
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'is_public': utils.string_to_bool(
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fields.pop('is_public', 'False')),
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'protected': utils.string_to_bool(
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fields.pop('protected', 'False')),
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'min_disk': fields.pop('min_disk', 0),
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'min_ram': fields.pop('min_ram', 0),
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}
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#NOTE(bcwaldon): Use certain properties only if they are explicitly set
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optional = ['id', 'name', 'disk_format', 'container_format']
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for field in optional:
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if field in fields:
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image_meta[field] = fields.pop(field)
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# Strip any args that are not supported
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unsupported_fields = ['status', 'size']
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for field in unsupported_fields:
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if field in fields.keys():
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print 'Found non-settable field %s. Removing.' % field
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fields.pop(field)
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# We need either a location or image data/stream to add...
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image_data = None
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if 'location' in fields.keys():
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image_meta['location'] = fields.pop('location')
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if 'checksum' in fields.keys():
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image_meta['checksum'] = fields.pop('checksum')
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elif 'copy_from' in fields.keys():
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image_meta['copy_from'] = fields.pop('copy_from')
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else:
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# Grab the image data stream from stdin or redirect,
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# otherwise error out
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image_data = sys.stdin
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image_meta['data'] = image_data
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# allow owner to be set when image is created
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if 'owner' in fields.keys():
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image_meta['owner'] = fields.pop('owner')
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# Add custom attributes, which are all the arguments remaining
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image_meta['properties'] = fields
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if not args.dry_run:
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image = gc.images.create(**image_meta)
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print "Added new image with ID: %s" % image.id
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if args.verbose:
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print "Returned the following metadata for the new image:"
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for k, v in sorted(image.to_dict().items()):
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print " %(k)30s => %(v)s" % locals()
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else:
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print "Dry run. We would have done the following:"
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def _dump(dict):
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for k, v in sorted(dict.items()):
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print " %(k)30s => %(v)s" % locals()
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print "Add new image with metadata:"
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_dump(image_meta)
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return SUCCESS
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@utils.arg('id', metavar='<IMAGE_ID>', help='ID of image to describe.')
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@utils.arg('fields', default=[], nargs='*', help=argparse.SUPPRESS)
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def do_update(gc, args):
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"""DEPRECATED! Use image-update instead."""
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try:
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fields = get_image_fields_from_args(args.fields)
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except RuntimeError as e:
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print e
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return FAILURE
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image_meta = {}
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# Strip any args that are not supported
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nonmodifiable_fields = ['created_at', 'deleted_at', 'deleted',
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'updated_at', 'size', 'status']
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for field in nonmodifiable_fields:
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if field in fields.keys():
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print 'Found non-modifiable field %s. Removing.' % field
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fields.pop(field)
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base_image_fields = ['disk_format', 'container_format', 'name',
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'min_disk', 'min_ram', 'location', 'owner',
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'copy_from']
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for field in base_image_fields:
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fvalue = fields.pop(field, None)
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if fvalue is not None:
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image_meta[field] = fvalue
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# Have to handle "boolean" values specially...
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if 'is_public' in fields:
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image_meta['is_public'] = utils.string_to_bool(fields.pop('is_public'))
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if 'protected' in fields:
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image_meta['protected'] = utils.string_to_bool(fields.pop('protected'))
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# Add custom attributes, which are all the arguments remaining
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image_meta['properties'] = fields
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if not args.dry_run:
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image = gc.images.update(args.id, **image_meta)
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print "Updated image %s" % args.id
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if args.verbose:
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print "Updated image metadata for image %s:" % args.id
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print_image_formatted(gc, image)
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else:
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def _dump(dict):
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for k, v in sorted(dict.items()):
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print " %(k)30s => %(v)s" % locals()
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print "Dry run. We would have done the following:"
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print "Update existing image with metadata:"
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_dump(image_meta)
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return SUCCESS
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@utils.arg('id', metavar='<IMAGE_ID>', help='ID of image to describe.')
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def do_delete(gc, args):
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"""DEPRECATED! Use image-delete instead."""
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if not (args.force or
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user_confirm("Delete image %s?" % args.id, default=False)):
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print 'Not deleting image %s' % args.id
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return FAILURE
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gc.images.get(args.id).delete()
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@utils.arg('id', metavar='<IMAGE_ID>', help='ID of image to describe.')
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def do_show(gc, args):
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"""DEPRECATED! Use image-show instead."""
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image = gc.images.get(args.id)
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print_image_formatted(gc, image)
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return SUCCESS
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def _get_images(gc, args):
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parameters = {
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'filters': get_image_filters_from_args(args.filters),
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'page_size': args.limit,
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}
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optional_kwargs = ['marker', 'sort_key', 'sort_dir']
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for kwarg in optional_kwargs:
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value = getattr(args, kwarg, None)
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if value is not None:
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parameters[kwarg] = value
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return gc.images.list(**parameters)
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@utils.arg('--limit', dest="limit", metavar="LIMIT", default=10,
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type=int, help="Page size to use while requesting image metadata")
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@utils.arg('--marker', dest="marker", metavar="MARKER",
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default=None, help="Image index after which to begin pagination")
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@utils.arg('--sort_key', dest="sort_key", metavar="KEY",
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help="Sort results by this image attribute.")
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@utils.arg('--sort_dir', dest="sort_dir", metavar="[desc|asc]",
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help="Sort results in this direction.")
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@utils.arg('filters', default=[], nargs='*', help=argparse.SUPPRESS)
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def do_index(gc, args):
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"""DEPRECATED! Use image-list instead."""
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images = _get_images(gc, args)
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if not images:
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return SUCCESS
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pretty_table = PrettyTable()
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pretty_table.add_column(36, label="ID")
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pretty_table.add_column(30, label="Name")
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pretty_table.add_column(20, label="Disk Format")
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pretty_table.add_column(20, label="Container Format")
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pretty_table.add_column(14, label="Size", just="r")
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print pretty_table.make_header()
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for image in images:
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print pretty_table.make_row(image.id,
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image.name,
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image.disk_format,
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image.container_format,
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image.size)
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@utils.arg('--limit', dest="limit", metavar="LIMIT", default=10,
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type=int, help="Page size to use while requesting image metadata")
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@utils.arg('--marker', dest="marker", metavar="MARKER",
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default=None, help="Image index after which to begin pagination")
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@utils.arg('--sort_key', dest="sort_key", metavar="KEY",
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help="Sort results by this image attribute.")
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@utils.arg('--sort_dir', dest="sort_dir", metavar="[desc|asc]",
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help="Sort results in this direction.")
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@utils.arg('filters', default='', nargs='*', help=argparse.SUPPRESS)
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def do_details(gc, args):
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"""DEPRECATED! Use image-list instead."""
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images = _get_images(gc, args)
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for i, image in enumerate(images):
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if i == 0:
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print "=" * 80
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print_image_formatted(gc, image)
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print "=" * 80
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def do_clear(gc, args):
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"""DEPRECATED!"""
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if not (args.force or
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user_confirm("Delete all images?", default=False)):
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print 'Not deleting any images'
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return FAILURE
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images = gc.images.list()
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for image in images:
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if args.verbose:
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print 'Deleting image %s "%s" ...' % (image.id, image.name),
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try:
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image.delete()
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if args.verbose:
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print 'done'
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except Exception as e:
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print 'Failed to delete image %s' % image.id
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print e
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return FAILURE
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return SUCCESS
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@utils.arg('image_id', help='Image ID to filters members with.')
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def do_image_members(gc, args):
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"""DEPRECATED! Use member-list instead."""
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members = gc.image_members.list(image=args.image_id)
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sharers = 0
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# Output the list of members
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for memb in members:
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can_share = ''
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if memb.can_share:
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can_share = ' *'
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sharers += 1
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print "%s%s" % (memb.member_id, can_share)
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# Emit a footnote
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if sharers > 0:
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print "\n(*: Can share image)"
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@utils.arg('--can-share', default=False, action="store_true",
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help="Allow member to further share image.")
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@utils.arg('member_id',
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help='ID of member (typically tenant) to grant access.')
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def do_member_images(gc, args):
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"""DEPRECATED! Use member-list instead."""
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members = gc.image_members.list(member=args.member_id)
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if not len(members):
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print "No images shared with member %s" % args.member_id
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return SUCCESS
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sharers = 0
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# Output the list of images
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for memb in members:
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can_share = ''
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if memb.can_share:
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can_share = ' *'
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sharers += 1
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print "%s%s" % (memb.image_id, can_share)
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# Emit a footnote
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if sharers > 0:
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print "\n(*: Can share image)"
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@utils.arg('--can-share', default=False, action="store_true",
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help="Allow member to further share image.")
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@utils.arg('image_id', help='ID of image to describe.')
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@utils.arg('member_id',
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help='ID of member (typically tenant) to grant access.')
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def do_members_replace(gc, args):
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"""DEPRECATED!"""
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if not args.dry_run:
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for member in gc.image_members.list(image=args.image_id):
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gc.image_members.delete(args.image_id, member.member_id)
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gc.image_members.create(args.image_id, args.member_id, args.can_share)
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else:
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print "Dry run. We would have done the following:"
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print ('Replace members of image %s with "%s"'
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% (args.image_id, args.member_id))
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if args.can_share:
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print "New member would have been able to further share image."
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@utils.arg('--can-share', default=False, action="store_true",
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help="Allow member to further share image.")
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@utils.arg('image_id', help='ID of image to describe.')
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@utils.arg('member_id',
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help='ID of member (typically tenant) to grant access.')
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def do_member_add(gc, args):
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"""DEPRECATED! Use member-create instead."""
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if not args.dry_run:
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gc.image_members.create(args.image_id, args.member_id, args.can_share)
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else:
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print "Dry run. We would have done the following:"
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print ('Add "%s" to membership of image %s' %
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(args.member_id, args.image_id))
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if args.can_share:
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print "New member would have been able to further share image."
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def user_confirm(prompt, default=False):
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"""
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Yes/No question dialog with user.
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:param prompt: question/statement to present to user (string)
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:param default: boolean value to return if empty string
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is received as response to prompt
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"""
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if default:
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prompt_default = "[Y/n]"
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else:
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prompt_default = "[y/N]"
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# for bug 884116, don't issue the prompt if stdin isn't a tty
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if not (hasattr(sys.stdin, 'isatty') and sys.stdin.isatty()):
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return default
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answer = raw_input("%s %s " % (prompt, prompt_default))
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if answer == "":
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return default
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else:
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return answer.lower() in ("yes", "y")
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class PrettyTable(object):
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"""Creates an ASCII art table
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Example:
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ID Name Size Hits
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--- ----------------- ------------ -----
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122 image 22 0
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"""
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def __init__(self):
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self.columns = []
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def add_column(self, width, label="", just='l'):
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"""Add a column to the table
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:param width: number of characters wide the column should be
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:param label: column heading
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:param just: justification for the column, 'l' for left,
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'r' for right
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"""
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self.columns.append((width, label, just))
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def make_header(self):
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label_parts = []
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break_parts = []
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for width, label, _ in self.columns:
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# NOTE(sirp): headers are always left justified
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label_part = self._clip_and_justify(label, width, 'l')
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label_parts.append(label_part)
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break_part = '-' * width
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break_parts.append(break_part)
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label_line = ' '.join(label_parts)
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break_line = ' '.join(break_parts)
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return '\n'.join([label_line, break_line])
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def make_row(self, *args):
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row = args
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row_parts = []
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for data, (width, _, just) in zip(row, self.columns):
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row_part = self._clip_and_justify(data, width, just)
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row_parts.append(row_part)
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row_line = ' '.join(row_parts)
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return row_line
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@staticmethod
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def _clip_and_justify(data, width, just):
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# clip field to column width
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clipped_data = str(data)[:width]
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if just == 'r':
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# right justify
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justified = clipped_data.rjust(width)
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else:
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# left justify
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justified = clipped_data.ljust(width)
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return justified
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