107 lines
3.6 KiB
Python
107 lines
3.6 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2017 Google LLC. All Rights Reserved.
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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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"""Support library for execution with the container builds submit command."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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import threading
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from googlecloudsdk.core import log
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from googlecloudsdk.core.util import keyboard_interrupt
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import six
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class MashHandler(object):
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"""MashHandler only invokes its base handler once.
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On the third attempt, the execution is hard-killed.
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"""
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def __init__(self, base_handler):
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self._interrupts = 0
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self._base_handler = base_handler
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self._lock = threading.Lock()
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def __call__(self, signal_number, stack_frame):
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with self._lock:
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self._interrupts += 1
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# Copy the interrupts count and perform the handler outside of this
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# lock context. The handler can take a long time and we want to make
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# sure that future interrupts don't wait for it.
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interrupts = self._interrupts
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if interrupts == 1:
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# Only do the base handler once.
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self._base_handler(signal_number, stack_frame)
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elif interrupts == 3:
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# If we detect mashing, fallback to gcloud's original handler.
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keyboard_interrupt.HandleInterrupt(signal_number, stack_frame)
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def GetCancelBuildHandler(client, messages, build_ref):
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"""Returns a handler to cancel a build.
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Args:
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client: base_api.BaseApiClient, An instance of the Cloud Build client.
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messages: Module containing the definitions of messages for Cloud Build.
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build_ref: Build reference. Expects a cloudbuild.projects.locations.builds
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but also supports cloudbuild.projects.builds.
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"""
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def _CancelBuildHandler(unused_signal_number, unused_stack_frame):
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"""Cancels the build_ref build.
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Args:
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unused_signal_number: The signal caught.
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unused_stack_frame: The interrupt stack frame.
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Raises:
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InvalidUserInputError: if project ID or build ID is not specified.
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"""
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log.status.Print('Cancelling...')
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# accepting both build_refs and legacy build_refs
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project_id = None
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if hasattr(build_ref, 'projectId'):
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project_id = build_ref.projectId
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elif hasattr(build_ref, 'projectsId'):
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project_id = build_ref.projectsId
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build_id = None
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if hasattr(build_ref, 'id'):
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build_id = build_ref.id
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elif hasattr(build_ref, 'buildsId'):
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build_id = build_ref.buildsId
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location = None
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if hasattr(build_ref, 'locationsId'):
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location = build_ref.locationsId
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if location is not None:
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cancel_name = 'projects/{project}/locations/{location}/builds/{buildId}'
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name = cancel_name.format(
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project=project_id, location=location, buildId=build_id)
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client.projects_locations_builds.Cancel(
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messages.CancelBuildRequest(
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name=name))
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else:
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client.projects_builds.Cancel(
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messages.CloudbuildProjectsBuildsCancelRequest(
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projectId=project_id, id=build_id))
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log.status.Print('Cancelled [{r}].'.format(r=six.text_type(build_ref)))
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return _CancelBuildHandler
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