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.kubernetes import KubernetesTemplate
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 template_cfg = attrs.get('servers', {})
42 self.template = KubernetesTemplate(self.name, template_cfg)
44 self.ssh_key = '{}-key'.format(self.name)
46 self.key_path = self._get_key_path()
47 self.public_key_path = '{}.pub'.format(self.key_path)
50 LOG.info('Creating ssh key')
53 LOG.info('Launch containers')
55 self._create_services()
57 self.template.get_rc_pods()
59 self._wait_until_running()
62 self._delete_ssh_key()
65 self._delete_services()
67 super(KubernetesContext, self).undeploy()
69 def _wait_until_running(self):
70 while not all(self._check_pod_status(p) for p in self.template.pods):
73 def _check_pod_status(self, pod):
74 status = k8s_utils.read_pod_status(pod)
75 LOG.debug('%s:%s', pod, status)
76 if status == 'Failed':
77 LOG.error('Pod %s status is failed', pod)
79 if status != 'Running':
83 def _create_services(self):
84 for obj in self.template.service_objs:
87 def _delete_services(self):
88 for obj in self.template.service_objs:
91 def _create_rcs(self):
92 for obj in self.template.k8s_objs:
93 self._create_rc(obj.get_template())
95 def _create_rc(self, template):
96 k8s_utils.create_replication_controller(template)
98 def _delete_rcs(self):
99 for rc in self.template.rcs:
102 def _delete_rc(self, rc):
103 k8s_utils.delete_replication_controller(rc)
105 def _delete_pods(self):
106 for pod in self.template.pods:
107 self._delete_pod(pod)
109 def _delete_pod(self, pod):
110 k8s_utils.delete_pod(pod)
112 def _get_key_path(self):
113 task_id = self.name.split('-')[-1]
114 k = 'files/yardstick_key-{}'.format(task_id)
115 return pkg_resources.resource_filename('yardstick.resources', k)
117 def _set_ssh_key(self):
118 rsa_key = paramiko.RSAKey.generate(bits=BITS_LENGTH)
120 LOG.info('Writing private key')
121 rsa_key.write_private_key_file(self.key_path)
123 LOG.info('Writing public key')
124 key = '{} {}\n'.format(rsa_key.get_name(), rsa_key.get_base64())
125 with open(self.public_key_path, 'w') as f:
128 LOG.info('Create configmap for ssh key')
129 k8s_utils.create_config_map(self.ssh_key, {'authorized_keys': key})
131 def _delete_ssh_key(self):
132 k8s_utils.delete_config_map(self.ssh_key)
133 utils.remove_file(self.key_path)
134 utils.remove_file(self.public_key_path)
136 def _get_server(self, name):
137 service_name = '{}-service'.format(name)
138 service = k8s_utils.get_service_by_name(service_name).ports[0]
141 'name': service.name,
142 'ip': self._get_node_ip(),
143 'private_ip': k8s_utils.get_pod_by_name(name).status.pod_ip,
144 'ssh_port': service.node_port,
146 'key_filename': self.key_path,
151 def _get_node_ip(self):
152 return k8s_utils.get_node_list().items[0].status.addresses[0].address
154 def _get_network(self, attr_name):