1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from __future__ import absolute_import
import errno
import subprocess
import os
import collections
import logging
import yaml
import pkg_resources
from yardstick import ssh
from yardstick.benchmark.contexts.base import Context
from yardstick.common import constants as consts
LOG = logging.getLogger(__name__)
class NodeContext(Context):
"""Class that handle nodes info"""
__context_type__ = "Node"
def __init__(self):
self.name = None
self.file_path = None
self.nodes = []
self.controllers = []
self.computes = []
self.baremetals = []
self.env = {}
super(NodeContext, self).__init__()
def read_config_file(self):
"""Read from config file"""
with open(self.file_path) as stream:
LOG.info("Parsing pod file: %s", self.file_path)
cfg = yaml.load(stream)
return cfg
def init(self, attrs):
"""initializes itself from the supplied arguments"""
self.name = attrs["name"]
self.file_path = attrs.get("file", "pod.yaml")
try:
cfg = self.read_config_file()
except IOError as ioerror:
if ioerror.errno == errno.ENOENT:
self.file_path = \
os.path.join(consts.YARDSTICK_ROOT_PATH, self.file_path)
cfg = self.read_config_file()
else:
raise
self.nodes.extend(cfg["nodes"])
self.controllers.extend([node for node in cfg["nodes"]
if node["role"] == "Controller"])
self.computes.extend([node for node in cfg["nodes"]
if node["role"] == "Compute"])
self.baremetals.extend([node for node in cfg["nodes"]
if node["role"] == "Baremetal"])
LOG.debug("Nodes: %r", self.nodes)
LOG.debug("Controllers: %r", self.controllers)
LOG.debug("Computes: %r", self.computes)
LOG.debug("BareMetals: %r", self.baremetals)
self.env = attrs.get('env', {})
LOG.debug("Env: %r", self.env)
def deploy(self):
config_type = self.env.get('type', '')
if config_type == 'ansible':
self._dispatch_ansible('setup')
elif config_type == 'script':
self._dispatch_script('setup')
def undeploy(self):
config_type = self.env.get('type', '')
if config_type == 'ansible':
self._dispatch_ansible('teardown')
elif config_type == 'script':
self._dispatch_script('teardown')
super(NodeContext, self).undeploy()
def _dispatch_script(self, key):
steps = self.env.get(key, [])
for step in steps:
for host, info in step.items():
self._execute_script(host, info)
def _dispatch_ansible(self, key):
try:
step = self.env[key]
except KeyError:
pass
else:
self._do_ansible_job(step)
def _do_ansible_job(self, path):
cmd = 'ansible-playbook -i inventory.ini %s' % path
p = subprocess.Popen(cmd, shell=True, cwd=consts.ANSIBLE_DIR)
p.communicate()
def _get_server(self, attr_name):
"""lookup server info by name from context
attr_name: a name for a server listed in nodes config file
"""
if isinstance(attr_name, collections.Mapping):
return None
if self.name != attr_name.split(".")[1]:
return None
node_name = attr_name.split(".")[0]
matching_nodes = (n for n in self.nodes if n["name"] == node_name)
try:
# A clone is created in order to avoid affecting the
# original one.
node = dict(next(matching_nodes))
except StopIteration:
return None
try:
duplicate = next(matching_nodes)
except StopIteration:
pass
else:
raise ValueError("Duplicate nodes!!! Nodes: %s %s",
(matching_nodes, duplicate))
node["name"] = attr_name
return node
def _execute_script(self, node_name, info):
if node_name == 'local':
self._execute_local_script(info)
else:
self._execute_remote_script(node_name, info)
def _execute_remote_script(self, node_name, info):
prefix = self.env.get('prefix', '')
script, options = self._get_script(info)
script_file = pkg_resources.resource_filename(prefix, script)
self._get_client(node_name)
self.client._put_file_shell(script_file, '~/{}'.format(script))
cmd = 'sudo bash {} {}'.format(script, options)
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
def _execute_local_script(self, info):
script, options = self._get_script(info)
script = os.path.join(consts.YARDSTICK_ROOT_PATH, script)
cmd = ['bash', script, options]
p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
LOG.debug('\n%s', p.communicate()[0])
def _get_script(self, info):
return info.get('script'), info.get('options', '')
def _get_client(self, node_name):
node = self._get_node_info(node_name.strip())
if node is None:
raise SystemExit('No such node')
user = node.get('user', 'ubuntu')
ssh_port = node.get("ssh_port", ssh.DEFAULT_PORT)
ip = node.get('ip')
pwd = node.get('password')
key_fname = node.get('key_filename', '/root/.ssh/id_rsa')
if pwd is not None:
LOG.debug("Log in via pw, user:%s, host:%s, password:%s",
user, ip, pwd)
self.client = ssh.SSH(user, ip, password=pwd, port=ssh_port)
else:
LOG.debug("Log in via key, user:%s, host:%s, key_filename:%s",
user, ip, key_fname)
self.client = ssh.SSH(user, ip, key_filename=key_fname,
port=ssh_port)
self.client.wait(timeout=600)
def _get_node_info(self, name):
return next((n for n in self.nodes if n['name'].strip() == name))
|