#!/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
self.tags = {key[4:]: value
for key, value in list_kwargs.iteritems()
if key.startswith('tag:')}
+ # Tags are assigned at instance creation time
+ create_kwargs.setdefault('ex_metadata', {})
+ create_kwargs['ex_metadata'].update(self.tags)
super(ComputeNodeDriver, self).__init__(
auth_kwargs, {'ex_filters': list_kwargs}, create_kwargs,
driver_class)
- for key in self.create_kwargs.keys():
- init_method = getattr(self, '_init_' + key, None)
- if init_method is not None:
- new_pair = init_method(self.create_kwargs.pop(key))
- if new_pair is not None:
- self.create_kwargs[new_pair[0]] = new_pair[1]
def _init_image_id(self, image_id):
- return 'image', self.search_for(image_id, 'list_images')
-
- def _init_ping_host(self, ping_host):
- self.ping_host = ping_host
+ return 'image', self.search_for(image_id, 'list_images', ex_owner='self')
def _init_security_groups(self, group_names):
return 'ex_security_groups', [
def _init_subnet_id(self, subnet_id):
return 'ex_subnet', self.search_for(subnet_id, 'ex_list_subnets')
- def _init_ssh_key(self, filename):
- with open(filename) as ssh_file:
- key = cloud_base.NodeAuthSSHKey(ssh_file.read())
- return 'auth', key
-
- def arvados_create_kwargs(self, arvados_node):
- result = {'name': arvados_node_fqdn(arvados_node)}
- ping_secret = arvados_node['info'].get('ping_secret')
- if ping_secret is not None:
- ping_url = ('https://{}/arvados/v1/nodes/{}/ping?ping_secret={}'.
- format(self.ping_host, arvados_node['uuid'],
- ping_secret))
- result['ex_userdata'] = ping_url
- return result
-
- def post_create_node(self, cloud_node):
- self.real.ex_create_tags(cloud_node, self.tags)
+ create_cloud_name = staticmethod(arvados_node_fqdn)
+
+ def arvados_create_kwargs(self, size, arvados_node):
+ kw = {'name': self.create_cloud_name(arvados_node),
+ 'ex_userdata': self._make_ping_url(arvados_node)}
+ # libcloud/ec2 disk sizes are in GB, Arvados/SLURM "scratch" value is in MB
+ scratch = int(size.scratch / 1000) + 1
+ if scratch > size.disk:
+ volsize = scratch - size.disk
+ if volsize > 16384:
+ # Must be 1-16384 for General Purpose SSD (gp2) devices
+ # https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_EbsBlockDevice.html
+ self._logger.warning("Requested EBS volume size %d is too large, capping size request to 16384 GB", volsize)
+ volsize = 16384
+ kw["ex_blockdevicemappings"] = [{
+ "DeviceName": "/dev/xvdt",
+ "Ebs": {
+ "DeleteOnTermination": True,
+ "VolumeSize": volsize,
+ "VolumeType": "gp2"
+ }}]
+ return kw
def sync_node(self, cloud_node, arvados_node):
self.real.ex_create_tags(cloud_node,
{'Name': arvados_node_fqdn(arvados_node)})
+ def list_nodes(self):
+ # Need to populate Node.size
+ nodes = super(ComputeNodeDriver, self).list_nodes()
+ for n in nodes:
+ if not n.size:
+ n.size = self.sizes[n.extra["instance_type"]]
+ return nodes
+
+ @classmethod
+ def node_fqdn(cls, node):
+ return node.name
+
@classmethod
def node_start_time(cls, node):
time_str = node.extra['launch_time'].split('.', 2)[0] + 'UTC'
return time.mktime(time.strptime(
time_str,'%Y-%m-%dT%H:%M:%S%Z')) - time.timezone
+
+ @classmethod
+ def node_id(cls, node):
+ return node.id