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 LOG.info('Launch containers')
53 self._create_services()
55 self.template.get_rc_pods()
57 self._wait_until_running()
60 self._delete_ssh_key()
63 self._delete_services()
66 super(KubernetesContext, self).undeploy()
68 def _wait_until_running(self):
69 while not all(self._check_pod_status(p) for p in self.template.pods):
72 def _check_pod_status(self, pod):
73 status = k8s_utils.read_pod_status(pod)
74 LOG.debug('%s:%s', pod, status)
75 if status == 'Failed':
76 LOG.error('Pod %s status is failed', pod)
78 if status != 'Running':
82 def _create_services(self):
83 for obj in self.template.service_objs:
86 def _delete_services(self):
87 for obj in self.template.service_objs:
90 def _create_rcs(self):
91 for obj in self.template.k8s_objs:
92 self._create_rc(obj.get_template())
94 def _create_rc(self, template):
95 k8s_utils.create_replication_controller(template)
97 def _delete_rcs(self):
98 for rc in self.template.rcs:
101 def _delete_rc(self, rc):
102 k8s_utils.delete_replication_controller(rc)
104 def _delete_pods(self):
105 for pod in self.template.pods:
106 self._delete_pod(pod)
108 def _delete_pod(self, pod):
109 k8s_utils.delete_pod(pod)
111 def _create_crd(self):
112 LOG.info('Create Custom Resource Definition elements')
113 for crd in self.template.crd:
116 def _delete_crd(self):
117 LOG.info('Delete Custom Resource Definition elements')
118 for crd in self.template.crd:
121 def _get_key_path(self):
122 task_id = self.name.split('-')[-1]
123 k = 'files/yardstick_key-{}'.format(task_id)
124 return pkg_resources.resource_filename('yardstick.resources', k)
126 def _set_ssh_key(self):
127 rsa_key = paramiko.RSAKey.generate(bits=BITS_LENGTH)
129 LOG.info('Writing private key')
130 rsa_key.write_private_key_file(self.key_path)
132 LOG.info('Writing public key')
133 key = '{} {}\n'.format(rsa_key.get_name(), rsa_key.get_base64())
134 with open(self.public_key_path, 'w') as f:
137 LOG.info('Create configmap for ssh key')
138 k8s_utils.create_config_map(self.ssh_key, {'authorized_keys': key})
140 def _delete_ssh_key(self):
141 k8s_utils.delete_config_map(self.ssh_key)
142 utils.remove_file(self.key_path)
143 utils.remove_file(self.public_key_path)
145 def _get_server(self, name):
146 service_name = '{}-service'.format(name)
147 service = k8s_utils.get_service_by_name(service_name).ports[0]
150 'name': service.name,
151 'ip': self._get_node_ip(),
152 'private_ip': k8s_utils.get_pod_by_name(name).status.pod_ip,
153 'ssh_port': service.node_port,
155 'key_filename': self.key_path,
160 def _get_node_ip(self):
161 return k8s_utils.get_node_list().items[0].status.addresses[0].address
163 def _get_network(self, attr_name):
166 def _get_physical_nodes(self):
169 def _get_physical_node_for_server(self, server_name):