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https://github.com/kevingruesser/bootstrap-vz.git
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eca54d6c21
The outer double-quotes (") were breaking things on some versions
of Docker, such as the one currently available on Travis.
66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
from bootstrapvz.base import Task
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from bootstrapvz.common import phases
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from bootstrapvz.common.tools import log_check_call
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class CreateDockerfileEntry(Task):
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description = 'Creating the Dockerfile entry'
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phase = phases.preparation
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@classmethod
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def run(cls, info):
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info._docker['dockerfile'] = []
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class CreateImage(Task):
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description = 'Creating docker image'
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phase = phases.image_registration
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@classmethod
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def run(cls, info):
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from pipes import quote
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tar_cmd = ['tar', '--create', '--numeric-owner',
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'--directory', info.volume.path, '.']
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docker_cmd = ['docker', 'import']
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for instruction in info._docker['dockerfile']:
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docker_cmd.extend(['--change', instruction])
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docker_cmd.extend(['-', info.manifest.name.format(**info.manifest_vars)])
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cmd = ' '.join(map(quote, tar_cmd)) + ' | ' + ' '.join(map(quote, docker_cmd))
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[info._docker['image_id']] = log_check_call([cmd], shell=True)
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class PopulateLabels(Task):
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description = 'Populating docker labels'
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phase = phases.image_registration
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successors = [CreateImage]
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@classmethod
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def run(cls, info):
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import pyrfc3339
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from datetime import datetime
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import pytz
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labels = {}
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labels['name'] = info.manifest.name.format(**info.manifest_vars)
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# Inspired by https://github.com/projectatomic/ContainerApplicationGenericLabels
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# See here for the discussion on the debian-cloud mailing list
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# https://lists.debian.org/debian-cloud/2015/05/msg00071.html
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labels['architecture'] = info.manifest.system['architecture']
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labels['build-date'] = pyrfc3339.generate(datetime.utcnow().replace(tzinfo=pytz.utc))
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if 'labels' in info.manifest.provider:
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for label, value in info.manifest.provider['labels'].items():
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labels[label] = value.format(**info.manifest_vars)
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from pipes import quote
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for label, value in labels.items():
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info._docker['dockerfile'].append('LABEL {}={}'.format(label, quote(value)))
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class AppendManifestDockerfile(Task):
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description = 'Appending Dockerfile instructions from the manifest'
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phase = phases.image_registration
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predecessors = [PopulateLabels]
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successors = [CreateImage]
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@classmethod
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def run(cls, info):
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info._docker['dockerfile'].extend(info.manifest.provider['dockerfile'])
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