services/nodemanager/arvnodeman/computenode/driver/azure.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import absolute_import, print_function
   4
   5 import time
   6
   7 import libcloud.compute.base as cloud_base
   8 import libcloud.compute.providers as cloud_provider
   9 import libcloud.compute.types as cloud_types
  10
  11 from . import BaseComputeNodeDriver
  12 from .. import arvados_node_fqdn, arvados_timestamp, ARVADOS_TIMEFMT
  13
  14 class ComputeNodeDriver(BaseComputeNodeDriver):
  15
  16     DEFAULT_DRIVER = cloud_provider.get_driver(cloud_types.Provider.AZURE_ARM)
  17     SEARCH_CACHE = {}
  18
  19     def __init__(self, auth_kwargs, list_kwargs, create_kwargs,
  20                  driver_class=DEFAULT_DRIVER):
  21
  22         if not list_kwargs.get("ex_resource_group"):
  23             raise Exception("Must include ex_resource_group in Cloud List configuration (list_kwargs)")
  24
  25         create_kwargs["ex_resource_group"] = list_kwargs["ex_resource_group"]
  26
  27         self.tags = {key[4:]: value
  28                      for key, value in create_kwargs.iteritems()
  29                      if key.startswith('tag_')}
  30         # filter out tags from create_kwargs
  31         create_kwargs = {key: value
  32                          for key, value in create_kwargs.iteritems()
  33                          if not key.startswith('tag_')}
  34         super(ComputeNodeDriver, self).__init__(
  35             auth_kwargs, list_kwargs, create_kwargs,
  36             driver_class)
  37
  38     def arvados_create_kwargs(self, arvados_node):
  39         cluster_id, _, node_id = arvados_node['uuid'].split('-')
  40         name = 'compute-{}-{}'.format(node_id, cluster_id)
  41         tags = {
  42             'booted_at': time.strftime(ARVADOS_TIMEFMT, time.gmtime()),
  43             'arv-ping-url': self._make_ping_url(arvados_node)
  44         }
  45         tags.update(self.tags)
  46         return {
  47             'name': name,
  48             'ex_tags': tags,
  49         }
  50
  51     def sync_node(self, cloud_node, arvados_node):
  52         self.real.ex_create_tags(cloud_node,
  53                                  {'hostname': arvados_node_fqdn(arvados_node)})
  54
  55     def _init_image(self, urn):
  56         return "image", self.get_image(urn)
  57
  58     def post_create_node(self, cloud_node):
  59         self.real.ex_run_command(cloud_node,
  60                                  """bash -c '
  61                                  mkdir -p /var/tmp/arv-node-data/meta-data
  62                                  echo "%s" > /var/tmp/arv-node-data/arv-ping-url
  63                                  echo "%s" > /var/tmp/arv-node-data/meta-data/instance-id
  64                                  echo "%s" > /var/tmp/arv-node-data/meta-data/instance-type
  65                                  echo "%s" > /var/tmp/arv-node-data/meta-data/local-ipv4
  66                                  '""" % (self._make_ping_url(arvados_node),
  67                                          cloud_node.id,
  68                                          cloud_node.extra["properties"]["hardwareProfile"]["vmSize"],
  69                                          cloud_node.private_ips[0]),
  70                                  timestamp=int(time.time()))
  71
  72     def list_nodes(self):
  73         # Azure only supports filtering node lists by resource group.
  74         # Do our own filtering based on tag.
  75         return [node for node in
  76                 super(ComputeNodeDriver, self).list_nodes()
  77                 if node.extra["tags"].get("arvados-class") == self.tags["arvados-class"]]
  78
  79     @classmethod
  80     def node_fqdn(cls, node):
  81         return node.extra["tags"].get("hostname")
  82
  83     @classmethod
  84     def node_start_time(cls, node):
  85         return arvados_timestamp(node.extra["tags"].get("booted_at"))