mirror of
https://github.com/kevingruesser/bootstrap-vz.git
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102 lines
3.5 KiB
Python
102 lines
3.5 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 initd
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from bootstrapvz.common.tasks import loopback
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def initialize():
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# Regardless of of loglevel, we don't want boto debug stuff, it's very noisy
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import logging
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logging.getLogger('boto').setLevel(logging.INFO)
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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.json'))
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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 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.json'))
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if data['virtualization'] == 'pvm' and data['system']['bootloader'] != 'pvgrub':
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error('Paravirtualized AMIs only support pvgrub as a bootloader', ['system', 'bootloader'])
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if data['virtualization'] == 'hvm' and data['system']['bootloader'] == 'pvgrub':
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error('HVM AMIs only support extlinux as a bootloader', ['system', 'bootloader'])
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def resolve_tasks(taskset, manifest):
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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.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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tasks.network.EnableDHCPCDDNS,
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initd.AddExpandRoot,
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initd.RemoveHWClock,
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tasks.initd.AddEC2InitScripts,
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initd.InstallInitScripts,
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tasks.ami.RegisterAMI,
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])
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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(boot.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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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(tasks.ebs.Create, volume.Delete)
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counter_task(tasks.ebs.Attach, volume.Detach)
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counter_task(tasks.ami.BundleImage, tasks.ami.RemoveBundle)
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