#!/usr/bin/env python
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
from __future__ import absolute_import, print_function
create_kwargs = create_kwargs.copy()
create_kwargs.setdefault('external_ip', None)
create_kwargs.setdefault('ex_metadata', {})
+ self._project = auth_kwargs.get("project")
super(ComputeNodeDriver, self).__init__(
auth_kwargs, list_kwargs, create_kwargs,
driver_class)
+ self._sizes_by_name = {sz.name: sz for sz in self.sizes.itervalues()}
+ self._disktype_links = {dt.name: self._object_link(dt)
+ for dt in self.real.ex_list_disktypes()}
@staticmethod
- def _name_key(cloud_object):
- return cloud_object.name
+ def _object_link(cloud_object):
+ return cloud_object.extra.get('selfLink')
def _init_image(self, image_name):
return 'image', self.search_for(
- image_name, 'list_images', self._name_key)
-
- def _init_location(self, location_name):
- return 'location', self.search_for(
- location_name, 'list_locations', self._name_key)
+ image_name, 'list_images', self._name_key, ex_project=self._project)
def _init_network(self, network_name):
return 'ex_network', self.search_for(
self.create_kwargs['ex_metadata']['sshKeys'] = (
'root:' + ssh_file.read().strip())
- def list_sizes(self):
- return super(ComputeNodeDriver, self).list_sizes(
- self.create_kwargs['location'])
-
- def arvados_create_kwargs(self, arvados_node):
- cluster_id, _, node_id = arvados_node['uuid'].split('-')
- result = {'name': 'compute-{}-{}'.format(node_id, cluster_id),
+ def create_cloud_name(self, arvados_node):
+ uuid_parts = arvados_node['uuid'].split('-', 2)
+ return 'compute-{parts[2]}-{parts[0]}'.format(parts=uuid_parts)
+
+ def arvados_create_kwargs(self, size, arvados_node):
+ name = self.create_cloud_name(arvados_node)
+
+ if size.scratch > 375000:
+ self._logger.warning("Requested %d MB scratch space, but GCE driver currently only supports attaching a single 375 GB disk.", size.scratch)
+
+ disks = [
+ {'autoDelete': True,
+ 'boot': True,
+ 'deviceName': name,
+ 'initializeParams':
+ {'diskName': name,
+ 'diskType': self._disktype_links['pd-standard'],
+ 'sourceImage': self._object_link(self.create_kwargs['image']),
+ },
+ 'type': 'PERSISTENT',
+ },
+ {'autoDelete': True,
+ 'boot': False,
+ # Boot images rely on this device name to find the SSD.
+ # Any change must be coordinated in the image.
+ 'deviceName': 'tmp',
+ 'initializeParams':
+ {'diskType': self._disktype_links['local-ssd'],
+ },
+ 'type': 'SCRATCH',
+ },
+ ]
+ result = {'name': name,
'ex_metadata': self.create_kwargs['ex_metadata'].copy(),
- 'ex_tags': list(self.node_tags)}
- result['ex_metadata']['arv-ping-url'] = self._make_ping_url(
- arvados_node)
- result['ex_metadata']['booted_at'] = time.strftime(ARVADOS_TIMEFMT,
- time.gmtime())
- result['ex_metadata']['hostname'] = arvados_node_fqdn(arvados_node)
+ 'ex_tags': list(self.node_tags),
+ 'ex_disks_gce_struct': disks,
+ }
+ result['ex_metadata'].update({
+ 'arv-ping-url': self._make_ping_url(arvados_node),
+ 'booted_at': time.strftime(ARVADOS_TIMEFMT, time.gmtime()),
+ 'hostname': arvados_node_fqdn(arvados_node),
+ })
return result
+
def list_nodes(self):
# The GCE libcloud driver only supports filtering node lists by zone.
# Do our own filtering based on tag list.
- return [node for node in
- super(ComputeNodeDriver, self).list_nodes()
- if self.node_tags.issubset(node.extra.get('tags', []))]
-
- def destroy_node(self, cloud_node):
- return super(ComputeNodeDriver, self).destroy_node(
- cloud_node, destroy_boot_disk=True)
+ nodelist = [node for node in
+ super(ComputeNodeDriver, self).list_nodes()
+ if self.node_tags.issubset(node.extra.get('tags', []))]
+ # As of 0.18, the libcloud GCE driver sets node.size to the size's name.
+ # It's supposed to be the actual size object. Check that it's not,
+ # and monkeypatch the results when that's the case.
+ if nodelist and not hasattr(nodelist[0].size, 'id'):
+ for node in nodelist:
+ node.size = self._sizes_by_name[node.size]
+ return nodelist
@classmethod
def _find_metadata(cls, metadata_items, key):
raise
def sync_node(self, cloud_node, arvados_node):
+ # Update the cloud node record to ensure we have the correct metadata
+ # fingerprint.
+ cloud_node = self.real.ex_get_node(cloud_node.name, cloud_node.extra['zone'])
+
+ # We can't store the FQDN on the name attribute or anything like it,
+ # because (a) names are static throughout the node's life (so FQDN
+ # isn't available because we don't know it at node creation time) and
+ # (b) it can't contain dots. Instead stash it in metadata.
hostname = arvados_node_fqdn(arvados_node)
metadata_req = cloud_node.extra['metadata'].copy()
metadata_items = metadata_req.setdefault('items', [])
self._find_metadata(metadata_items, 'hostname')['value'] = hostname
except KeyError:
metadata_items.append({'key': 'hostname', 'value': hostname})
- response = self.real.connection.async_request(
- '/zones/{}/instances/{}/setMetadata'.format(
- cloud_node.extra['zone'].name, cloud_node.name),
- method='POST', data=metadata_req)
- if not response.success():
- raise Exception("setMetadata error: {}".format(response.error))
+
+ self.real.ex_set_node_metadata(cloud_node, metadata_items)
+
+ @classmethod
+ def node_fqdn(cls, node):
+ # See sync_node comment.
+ return cls._get_metadata(node.extra['metadata'].get('items', []),
+ 'hostname', '')
@classmethod
def node_start_time(cls, node):
node.extra['metadata']['items'], 'booted_at'))
except KeyError:
return 0
+
+ @classmethod
+ def node_id(cls, node):
+ return node.id
projects / arvados.git / blobdiff