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858647bb6d
str will tend to present a more normal looking error string. Use that so that a user does not have the impression there is a code issue on expected errors.
96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2017 Lenovo
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# provide managing firmware update process and firmware repository if/when
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# the time comes
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import confluent.exceptions as exc
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import confluent.messages as msg
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import eventlet
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updatesbytarget = {}
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def execupdate(handler, filename, updateobj):
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try:
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handler(filename, progress=updateobj.handle_progress)
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updateobj.handle_progress({'phase': 'complete', 'progress': 100.0})
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except Exception as e:
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updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
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'detail': str(e)})
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class Updater(object):
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def __init__(self, node, handler, filename, tenant=None, name=None):
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self.node = node
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self.phase = 'initializing'
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self.detail = ''
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self.percent = 0.0
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self.updateproc = eventlet.spawn(execupdate, handler, filename, self)
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if (node, tenant) not in updatesbytarget:
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updatesbytarget[(node, tenant)] = {}
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if name is None:
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name = 1
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while '{0}'.format(name) in updatesbytarget[(node, tenant)]:
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name += 1
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self.name = '{0}'.format(name)
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updatesbytarget[(node, tenant)][self.name] = self
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def handle_progress(self, progress):
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self.phase = progress['phase']
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self.percent = float(progress['progress'])
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self.detail = progress.get('detail', '')
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def cancel(self):
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self.updateproc.kill()
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@property
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def progress(self):
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return {'phase': self.phase, 'progress': self.percent,
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'detail': self.detail}
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def remove_updates(nodes, tenant, element):
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if len(element) < 5:
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raise exc.InvalidArgumentException()
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upid = element[-1]
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for node in nodes:
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try:
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upd = updatesbytarget[(node, tenant)][upid]
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except KeyError:
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raise exc.NotFoundException('No active update matches request')
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upd.cancel()
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del updatesbytarget[(node, tenant)][upid]
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yield msg.DeletedResource(
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'nodes/{0}/inventory/firmware/updates/active/{1}'.format(
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node, upid))
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def list_updates(nodes, tenant, element):
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showmode = False
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if len(element) > 4:
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showmode = True
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upid = element[-1]
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for node in nodes:
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if showmode:
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try:
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updater = updatesbytarget[(node, tenant)][upid]
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except KeyError:
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raise exc.NotFoundException('No matching update process found')
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yield msg.KeyValueData(updater.progress, name=node)
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else:
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for updateid in updatesbytarget.get((node, tenant), {}):
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yield msg.ChildCollection(updateid)
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