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image_url = '%s%s/global/images/%s' % (
GCE_URL, os_cloud, image_id)
if scheduling is None:
# use GCE's default
scheduling_option = {}
elif scheduling == 'preemptible':
scheduling_option = {
'preemptible': True
}
else:
raise InstanceError(""Unknown scheduling option: '%s'"" % scheduling)
if isinstance(tags, types.StringTypes):
tags = tags.split(',')
elif isinstance(tags, collections.Sequence):
# ok, nothing to do
pass
elif tags is not None:
raise TypeError(
""The `tags` argument to `gce.start_instance`""
"" should be a string or a list, got {T} instead""
.format(T=type(tags)))
# construct the request body
if node_name:
instance_id = node_name.lower().replace('_', '-') # GCE doesn't allow ""_""
else:
instance_id = 'elasticluster-%s' % uuid.uuid4()
with open(public_key_path, 'r') as f:
public_key_content = f.read()
instance = {
'name': instance_id,
'machineType': machine_type_url,
'tags': {
'items': tags,
},
'scheduling': scheduling_option,
'disks': [{
'autoDelete': 'true',
'boot': 'true',
'type': 'PERSISTENT',
'initializeParams' : {
'diskName': ""%s-disk"" % instance_id,
'diskType': boot_disk_type_url,
'diskSizeGb': boot_disk_size_gb,
'sourceImage': image_url
}
}],
'networkInterfaces': [
{'accessConfigs': [
{'type': 'ONE_TO_ONE_NAT',
'name': 'External NAT'
}],
'network': network_url
}],
'serviceAccounts': [
{'email': self._email,
'scopes': GCE_DEFAULT_SCOPES
}],
""metadata"": {
""kind"": ""compute#metadata"",
""items"": [
{
""key"": ""sshKeys"",
""value"": ""%s:%s"" % (username, public_key_content)
}
]
}
}
# create the instance
gce = self._connect()
request = gce.instances().insert(
project=self._project_id, body=instance, zone=self._zone)
try:
response = self._execute_request(request)
response = self._wait_until_done(response)
self._check_response(response)
return instance_id
except (HttpError, CloudProviderError) as e:
log.error(""Error creating instance `%s`"" % e)
raise InstanceError(""Error creating instance `%s`"" % e)"
4985,"def _get_image_url(self, image_id):
""""""Gets the url for the specified image. Unfortunatly this only works
for images uploaded by the user. The images provided by google will
not be found.
:param str image_id: image identifier
:return: str - api url of the image
""""""
gce = self._connect()
filter = ""name eq %s"" % image_id
request = gce.images().list(project=self._project_id, filter=filter)
response = self._execute_request(request)
response = self._wait_until_done(response)