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')
50 LOG.info('Launch containers')
52 self._create_services()
54 self.template.get_rc_pods()
56 self._wait_until_running()
59 self._delete_ssh_key()
62 self._delete_services()
64 super(KubernetesContext, self).undeploy()
66 def _wait_until_running(self):
67 while not all(self._check_pod_status(p) for p in self.template.pods):
70 def _check_pod_status(self, pod):
71 status = k8s_utils.read_pod_status(pod)
72 LOG.debug('%s:%s', pod, status)
73 if status == 'Failed':
74 LOG.error('Pod %s status is failed', pod)
76 if status != 'Running':
80 def _create_services(self):
81 for obj in self.template.service_objs:
84 def _delete_services(self):
85 for obj in self.template.service_objs:
88 def _create_rcs(self):
89 for obj in self.template.k8s_objs:
90 self._create_rc(obj.get_template())
92 def _create_rc(self, template):
93 k8s_utils.create_replication_controller(template)
95 def _delete_rcs(self):
96 for rc in self.template.rcs:
99 def _delete_rc(self, rc):
100 k8s_utils.delete_replication_controller(rc)
102 def _delete_pods(self):
103 for pod in self.template.pods:
104 self._delete_pod(pod)
106 def _delete_pod(self, pod):
107 k8s_utils.delete_pod(pod)
109 def _get_key_path(self):
110 task_id = self.name.split('-')[-1]
111 k = 'files/yardstick_key-{}'.format(task_id)
112 return pkg_resources.resource_filename('yardstick.resources', k)
114 def _set_ssh_key(self):
115 rsa_key = paramiko.RSAKey.generate(bits=BITS_LENGTH)
117 LOG.info('Writing private key')
118 rsa_key.write_private_key_file(self.key_path)
120 LOG.info('Writing public key')
121 key = '{} {}\n'.format(rsa_key.get_name(), rsa_key.get_base64())
122 with open(self.public_key_path, 'w') as f:
125 LOG.info('Create configmap for ssh key')
126 k8s_utils.create_config_map(self.ssh_key, {'authorized_keys': key})
128 def _delete_ssh_key(self):
129 k8s_utils.delete_config_map(self.ssh_key)
130 utils.remove_file(self.key_path)
131 utils.remove_file(self.public_key_path)
133 def _get_server(self, name):
134 service_name = '{}-service'.format(name)
135 service = k8s_utils.get_service_by_name(service_name).ports[0]
138 'name': service.name,
139 'ip': self._get_node_ip(),
140 'private_ip': k8s_utils.get_pod_by_name(name).status.pod_ip,
141 'ssh_port': service.node_port,
143 'key_filename': self.key_path,
148 def _get_node_ip(self):
149 return k8s_utils.get_node_list().items[0].status.addresses[0].address
151 def _get_network(self, attr_name):
154 def _get_physical_nodes(self):
157 def _get_physical_node_for_server(self, server_name):