mirror of
https://github.com/kevingruesser/bootstrap-vz.git
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f62c8ade99
Up until now I didn't see the point of using spaces for indentation. However, the previous commit (a18bec3) was quite eye opening. Given that python is an indentation aware language, the amount of mistakes that went unnoticed because tabs and spaces were used at the same time (tabs for indentation and spaces for alignment) were unacceptable. E101,W191 have been re-enable in the tox flake8 checker and the documentation has been modified accordingly. The following files have been left as-is: * bootstrapvz/common/assets/extlinux/extlinux.conf * bootstrapvz/common/assets/init.d/expand-root * bootstrapvz/common/assets/init.d/generate-ssh-hostkeys * bootstrapvz/common/assets/init.d/squeeze/generate-ssh-hostkeys * bootstrapvz/plugins/docker_daemon/assets/init.d/docker * bootstrapvz/providers/ec2/assets/bin/growpart * bootstrapvz/providers/ec2/assets/grub.d/40_custom * bootstrapvz/providers/ec2/assets/init.d/ec2-get-credentials * bootstrapvz/providers/ec2/assets/init.d/ec2-run-user-data * docs/_static/taskoverview.coffee * docs/_static/taskoverview.less * tests/unit/subprocess.sh
131 lines
5.2 KiB
Python
131 lines
5.2 KiB
Python
from bootstrapvz.common import task_groups
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import tasks.packages
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import tasks.connection
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import tasks.host
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import tasks.ami
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import tasks.ebs
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import tasks.filesystem
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import tasks.boot
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import tasks.network
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import tasks.initd
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from bootstrapvz.common.tasks import volume
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from bootstrapvz.common.tasks import filesystem
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from bootstrapvz.common.tasks import boot
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from bootstrapvz.common.tasks import grub
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from bootstrapvz.common.tasks import initd
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from bootstrapvz.common.tasks import loopback
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from bootstrapvz.common.tasks import kernel
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def validate_manifest(data, validator, error):
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import os.path
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validator(data, os.path.join(os.path.dirname(__file__), 'manifest-schema.yml'))
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from bootstrapvz.common.bytes import Bytes
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if data['volume']['backing'] == 'ebs':
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volume_size = Bytes(0)
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for key, partition in data['volume']['partitions'].iteritems():
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if key != 'type':
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volume_size += Bytes(partition['size'])
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if int(volume_size % Bytes('1GiB')) != 0:
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msg = ('The volume size must be a multiple of 1GiB when using EBS backing')
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error(msg, ['volume', 'partitions'])
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else:
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validator(data, os.path.join(os.path.dirname(__file__), 'manifest-schema-s3.yml'))
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bootloader = data['system']['bootloader']
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virtualization = data['provider']['virtualization']
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backing = data['volume']['backing']
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partition_type = data['volume']['partitions']['type']
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enhanced_networking = data['provider']['enhanced_networking'] if 'enhanced_networking' in data['provider'] else None
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if virtualization == 'pvm' and bootloader != 'pvgrub':
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error('Paravirtualized AMIs only support pvgrub as a bootloader', ['system', 'bootloader'])
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if backing != 'ebs' and virtualization == 'hvm':
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error('HVM AMIs currently only work when they are EBS backed', ['volume', 'backing'])
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if backing == 's3' and partition_type != 'none':
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error('S3 backed AMIs currently only work with unpartitioned volumes', ['system', 'bootloader'])
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if enhanced_networking == 'simple' and virtualization != 'hvm':
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error('Enhanced networking only works with HVM virtualization', ['provider', 'virtualization'])
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def resolve_tasks(taskset, manifest):
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from bootstrapvz.common.releases import wheezy, jessie
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taskset.update(task_groups.get_standard_groups(manifest))
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taskset.update(task_groups.ssh_group)
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taskset.update([tasks.host.AddExternalCommands,
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tasks.packages.DefaultPackages,
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tasks.connection.SilenceBotoDebug,
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tasks.connection.GetCredentials,
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tasks.ami.AMIName,
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tasks.connection.Connect,
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boot.BlackListModules,
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boot.DisableGetTTYs,
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initd.AddExpandRoot,
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initd.RemoveHWClock,
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initd.InstallInitScripts,
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tasks.ami.RegisterAMI,
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])
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if manifest.release > wheezy:
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taskset.add(tasks.network.InstallNetworkingUDevHotplugAndDHCPSubinterface)
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if manifest.release <= wheezy:
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# The default DHCP client `isc-dhcp' doesn't work properly on wheezy and earlier
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taskset.add(tasks.network.InstallDHCPCD)
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taskset.add(tasks.network.EnableDHCPCDDNS)
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if manifest.release >= jessie:
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taskset.add(tasks.packages.AddWorkaroundGrowpart)
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taskset.add(initd.AdjustGrowpartWorkaround)
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if manifest.provider.get('install_init_scripts', True):
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taskset.add(tasks.initd.AddEC2InitScripts)
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if manifest.volume['partitions']['type'] != 'none':
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taskset.add(initd.AdjustExpandRootScript)
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if manifest.system['bootloader'] == 'pvgrub':
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taskset.add(grub.AddGrubPackage)
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taskset.add(tasks.boot.ConfigurePVGrub)
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if manifest.volume['backing'].lower() == 'ebs':
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taskset.update([tasks.host.GetInstanceMetadata,
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tasks.ebs.Create,
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tasks.ebs.Snapshot,
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])
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taskset.add(tasks.ebs.Attach)
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taskset.discard(volume.Attach)
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if manifest.volume['backing'].lower() == 's3':
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taskset.update([loopback.AddRequiredCommands,
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tasks.host.SetRegion,
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loopback.Create,
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tasks.filesystem.S3FStab,
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tasks.ami.BundleImage,
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tasks.ami.UploadImage,
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tasks.ami.RemoveBundle,
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])
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taskset.discard(filesystem.FStab)
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if manifest.provider.get('enhanced_networking', None) == 'simple':
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taskset.update([kernel.AddDKMSPackages,
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tasks.network.InstallEnhancedNetworking,
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kernel.UpdateInitramfs])
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taskset.update([filesystem.Format,
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volume.Delete,
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])
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def resolve_rollback_tasks(taskset, manifest, completed, counter_task):
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taskset.update(task_groups.get_standard_rollback_tasks(completed))
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counter_task(taskset, tasks.ebs.Create, volume.Delete)
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counter_task(taskset, tasks.ebs.Attach, volume.Detach)
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counter_task(taskset, tasks.ami.BundleImage, tasks.ami.RemoveBundle)
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