1 ##############################################################################
2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
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
20 from yardstick import ssh
21 from yardstick.benchmark.contexts.base import Context
22 from yardstick.common import constants as consts
24 LOG = logging.getLogger(__name__)
27 class NodeContext(Context):
28 """Class that handle nodes info"""
30 __context_type__ = "Node"
40 super(NodeContext, self).__init__()
42 def read_config_file(self):
43 """Read from config file"""
45 with open(self.file_path) as stream:
46 LOG.info("Parsing pod file: %s", self.file_path)
47 cfg = yaml.load(stream)
50 def init(self, attrs):
51 """initializes itself from the supplied arguments"""
52 self.name = attrs["name"]
53 self.file_path = attrs.get("file", "pod.yaml")
56 cfg = self.read_config_file()
57 except IOError as ioerror:
58 if ioerror.errno == errno.ENOENT:
60 os.path.join(consts.YARDSTICK_ROOT_PATH, self.file_path)
61 cfg = self.read_config_file()
65 self.nodes.extend(cfg["nodes"])
66 self.controllers.extend([node for node in cfg["nodes"]
67 if node["role"] == "Controller"])
68 self.computes.extend([node for node in cfg["nodes"]
69 if node["role"] == "Compute"])
70 self.baremetals.extend([node for node in cfg["nodes"]
71 if node["role"] == "Baremetal"])
72 LOG.debug("Nodes: %r", self.nodes)
73 LOG.debug("Controllers: %r", self.controllers)
74 LOG.debug("Computes: %r", self.computes)
75 LOG.debug("BareMetals: %r", self.baremetals)
77 self.env = attrs.get('env', {})
78 LOG.debug("Env: %r", self.env)
81 config_type = self.env.get('type', '')
82 if config_type == 'ansible':
83 self._dispatch_ansible('setup')
84 elif config_type == 'script':
85 self._dispatch_script('setup')
88 config_type = self.env.get('type', '')
89 if config_type == 'ansible':
90 self._dispatch_ansible('teardown')
91 elif config_type == 'script':
92 self._dispatch_script('teardown')
93 super(NodeContext, self).undeploy()
95 def _dispatch_script(self, key):
96 steps = self.env.get(key, [])
98 for host, info in step.items():
99 self._execute_script(host, info)
101 def _dispatch_ansible(self, key):
107 self._do_ansible_job(step)
109 def _do_ansible_job(self, path):
110 cmd = 'ansible-playbook -i inventory.ini %s' % path
111 p = subprocess.Popen(cmd, shell=True, cwd=consts.ANSIBLE_DIR)
114 def _get_server(self, attr_name):
115 """lookup server info by name from context
116 attr_name: a name for a server listed in nodes config file
118 if isinstance(attr_name, collections.Mapping):
121 if self.name != attr_name.split(".")[1]:
123 node_name = attr_name.split(".")[0]
124 matching_nodes = (n for n in self.nodes if n["name"] == node_name)
127 # A clone is created in order to avoid affecting the
129 node = dict(next(matching_nodes))
130 except StopIteration:
134 duplicate = next(matching_nodes)
135 except StopIteration:
138 raise ValueError("Duplicate nodes!!! Nodes: %s %s",
139 (matching_nodes, duplicate))
141 node["name"] = attr_name
144 def _execute_script(self, node_name, info):
145 if node_name == 'local':
146 self._execute_local_script(info)
148 self._execute_remote_script(node_name, info)
150 def _execute_remote_script(self, node_name, info):
151 prefix = self.env.get('prefix', '')
152 script, options = self._get_script(info)
154 script_file = pkg_resources.resource_filename(prefix, script)
156 self._get_client(node_name)
157 self.client._put_file_shell(script_file, '~/{}'.format(script))
159 cmd = 'sudo bash {} {}'.format(script, options)
160 status, stdout, stderr = self.client.execute(cmd)
162 raise RuntimeError(stderr)
164 def _execute_local_script(self, info):
165 script, options = self._get_script(info)
166 script = os.path.join(consts.YARDSTICK_ROOT_PATH, script)
167 cmd = ['bash', script, options]
169 p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
170 LOG.debug('\n%s', p.communicate()[0])
172 def _get_script(self, info):
173 return info.get('script'), info.get('options', '')
175 def _get_client(self, node_name):
176 node = self._get_node_info(node_name.strip())
179 raise SystemExit('No such node')
181 self.client = ssh.SSH.from_node(node, defaults={'user': 'ubuntu'})
183 self.client.wait(timeout=600)
185 def _get_node_info(self, name):
186 return next((n for n in self.nodes if n['name'].strip() == name))