bootstrap-vz/bootstrapvz/providers/ec2/tasks/host.py

29 lines
857 B
Python

from bootstrapvz.base import Task
from bootstrapvz.common import phases
from bootstrapvz.common.tasks import host
class AddExternalCommands(Task):
description = 'Determining required external commands for EC2 bootstrapping'
phase = phases.preparation
successors = [host.CheckExternalCommands]
@classmethod
def run(cls, info):
if info.manifest.volume['backing'] == 's3':
info.host_dependencies['euca-bundle-image'] = 'euca2ools'
info.host_dependencies['euca-upload-bundle'] = 'euca2ools'
class GetInfo(Task):
description = 'Retrieving instance metadata'
phase = phases.preparation
@classmethod
def run(cls, info):
import urllib2
import json
metadata_url = 'http://169.254.169.254/latest/dynamic/instance-identity/document'
response = urllib2.urlopen(url=metadata_url, timeout=5)
info.host = json.load(response)
return info