1 ##############################################################################
2 # Copyright (c) 2017 Huawei Technologies Co.,Ltd.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
10 from __future__ import absolute_import
17 from yardstick.benchmark.contexts.base import Context
18 from yardstick.orchestrator import kubernetes
19 from yardstick.common import kubernetes_utils as k8s_utils
20 from yardstick.common import utils
22 LOG = logging.getLogger(__name__)
26 class KubernetesContext(Context):
27 """Class that handle nodes info"""
29 __context_type__ = "Kubernetes"
34 self.public_key_path = ''
36 super(KubernetesContext, self).__init__(host_name_separator='-')
38 def init(self, attrs):
39 super(KubernetesContext, self).init(attrs)
41 self.template = kubernetes.KubernetesTemplate(self.name, attrs)
42 self.ssh_key = '{}-key'.format(self.name)
43 self.key_path = self._get_key_path()
44 self.public_key_path = '{}.pub'.format(self.key_path)
47 LOG.info('Creating ssh key')
51 self._create_networks()
52 LOG.info('Launch containers')
54 self._create_services()
56 self.template.get_rc_pods()
58 self._wait_until_running()
61 self._delete_ssh_key()
64 self._delete_services()
65 self._delete_networks()
68 super(KubernetesContext, self).undeploy()
70 def _wait_until_running(self):
71 while not all(self._check_pod_status(p) for p in self.template.pods):
74 def _check_pod_status(self, pod):
75 status = k8s_utils.read_pod_status(pod)
76 LOG.debug('%s:%s', pod, status)
77 if status == 'Failed':
78 LOG.error('Pod %s status is failed', pod)
80 if status != 'Running':
84 def _create_services(self):
85 for obj in self.template.service_objs:
88 def _delete_services(self):
89 for obj in self.template.service_objs:
92 def _create_rcs(self):
93 for obj in self.template.k8s_objs:
94 self._create_rc(obj.get_template())
96 def _create_rc(self, template):
97 k8s_utils.create_replication_controller(template)
99 def _delete_rcs(self):
100 for rc in self.template.rcs:
103 def _delete_rc(self, rc):
104 k8s_utils.delete_replication_controller(rc)
106 def _delete_pods(self):
107 for pod in self.template.pods:
108 self._delete_pod(pod)
110 def _delete_pod(self, pod):
111 k8s_utils.delete_pod(pod)
113 def _create_crd(self):
114 LOG.info('Create Custom Resource Definition elements')
115 for crd in self.template.crd:
118 def _delete_crd(self):
119 LOG.info('Delete Custom Resource Definition elements')
120 for crd in self.template.crd:
123 def _create_networks(self): # pragma: no cover
124 LOG.info('Create Network elements')
125 for net in self.template.network_objs:
128 def _delete_networks(self): # pragma: no cover
129 LOG.info('Create Network elements')
130 for net in self.template.network_objs:
133 def _get_key_path(self):
134 task_id = self.name.split('-')[-1]
135 k = 'files/yardstick_key-{}'.format(task_id)
136 return pkg_resources.resource_filename('yardstick.resources', k)
138 def _set_ssh_key(self):
139 rsa_key = paramiko.RSAKey.generate(bits=BITS_LENGTH)
141 LOG.info('Writing private key')
142 rsa_key.write_private_key_file(self.key_path)
144 LOG.info('Writing public key')
145 key = '{} {}\n'.format(rsa_key.get_name(), rsa_key.get_base64())
146 with open(self.public_key_path, 'w') as f:
149 LOG.info('Create configmap for ssh key')
150 k8s_utils.create_config_map(self.ssh_key, {'authorized_keys': key})
152 def _delete_ssh_key(self):
153 k8s_utils.delete_config_map(self.ssh_key)
154 utils.remove_file(self.key_path)
155 utils.remove_file(self.public_key_path)
157 def _get_server(self, name):
158 service_name = '{}-service'.format(name)
159 service = k8s_utils.get_service_by_name(service_name).ports[0]
162 'name': service.name,
163 'ip': self._get_node_ip(),
164 'private_ip': k8s_utils.get_pod_by_name(name).status.pod_ip,
165 'ssh_port': service.node_port,
167 'key_filename': self.key_path,
172 def _get_node_ip(self):
173 return k8s_utils.get_node_list().items[0].status.addresses[0].address
175 def _get_network(self, attr_name):
178 def _get_physical_nodes(self):
181 def _get_physical_node_for_server(self, server_name):