root / tools / confd-client @ 18397489
History | View | Annotate | Download (8.5 kB)
| 1 |
#!/usr/bin/python |
|---|---|
| 2 |
# |
| 3 |
|
| 4 |
# Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc. |
| 5 |
# |
| 6 |
# This program is free software; you can redistribute it and/or modify |
| 7 |
# it under the terms of the GNU General Public License as published by |
| 8 |
# the Free Software Foundation; either version 2 of the License, or |
| 9 |
# (at your option) any later version. |
| 10 |
# |
| 11 |
# This program is distributed in the hope that it will be useful, but |
| 12 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 |
# General Public License for more details. |
| 15 |
# |
| 16 |
# You should have received a copy of the GNU General Public License |
| 17 |
# along with this program; if not, write to the Free Software |
| 18 |
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 19 |
# 02110-1301, USA. |
| 20 |
|
| 21 |
# pylint: disable=C0103 |
| 22 |
|
| 23 |
"""confd client program |
| 24 |
|
| 25 |
This is can be used to test and debug confd daemon functionality. |
| 26 |
|
| 27 |
""" |
| 28 |
|
| 29 |
import sys |
| 30 |
import optparse |
| 31 |
import time |
| 32 |
|
| 33 |
from ganeti import constants |
| 34 |
from ganeti import cli |
| 35 |
from ganeti import utils |
| 36 |
from ganeti import pathutils |
| 37 |
|
| 38 |
from ganeti.confd import client as confd_client |
| 39 |
|
| 40 |
USAGE = ("\tconfd-client [--addr=host] [--hmac=key]")
|
| 41 |
|
| 42 |
LOG_HEADERS = {
|
| 43 |
0: "- ", |
| 44 |
1: "* ", |
| 45 |
2: "", |
| 46 |
} |
| 47 |
|
| 48 |
OPTIONS = [ |
| 49 |
cli.cli_option("--hmac", dest="hmac", default=None,
|
| 50 |
help="Specify HMAC key instead of reading" |
| 51 |
" it from the filesystem", |
| 52 |
metavar="<KEY>"), |
| 53 |
cli.cli_option("-a", "--address", dest="mc", default="localhost",
|
| 54 |
help="Server IP to query (default: 127.0.0.1)", |
| 55 |
metavar="<ADDRESS>"), |
| 56 |
cli.cli_option("-r", "--requests", dest="requests", default=100,
|
| 57 |
help="Number of requests for the timing tests", |
| 58 |
type="int", metavar="<REQUESTS>"), |
| 59 |
] |
| 60 |
|
| 61 |
|
| 62 |
def Log(msg, *args, **kwargs): |
| 63 |
"""Simple function that prints out its argument. |
| 64 |
|
| 65 |
""" |
| 66 |
if args: |
| 67 |
msg = msg % args |
| 68 |
indent = kwargs.get("indent", 0)
|
| 69 |
sys.stdout.write("%*s%s%s\n" % (2 * indent, "",
|
| 70 |
LOG_HEADERS.get(indent, " "), msg)) |
| 71 |
sys.stdout.flush() |
| 72 |
|
| 73 |
|
| 74 |
def LogAtMost(msgs, count, **kwargs): |
| 75 |
"""Log at most count of given messages. |
| 76 |
|
| 77 |
""" |
| 78 |
for m in msgs[:count]: |
| 79 |
Log(m, **kwargs) |
| 80 |
if len(msgs) > count: |
| 81 |
Log("...", **kwargs)
|
| 82 |
|
| 83 |
|
| 84 |
def Err(msg, exit_code=1): |
| 85 |
"""Simple error logging that prints to stderr. |
| 86 |
|
| 87 |
""" |
| 88 |
sys.stderr.write(msg + "\n") |
| 89 |
sys.stderr.flush() |
| 90 |
sys.exit(exit_code) |
| 91 |
|
| 92 |
|
| 93 |
def Usage(): |
| 94 |
"""Shows program usage information and exits the program.""" |
| 95 |
|
| 96 |
print >> sys.stderr, "Usage:" |
| 97 |
print >> sys.stderr, USAGE |
| 98 |
sys.exit(2) |
| 99 |
|
| 100 |
|
| 101 |
class TestClient(object): |
| 102 |
"""Confd test client.""" |
| 103 |
|
| 104 |
def __init__(self): |
| 105 |
"""Constructor.""" |
| 106 |
self.opts = None |
| 107 |
self.cluster_master = None |
| 108 |
self.instance_ips = None |
| 109 |
self.is_timing = False |
| 110 |
self.ParseOptions() |
| 111 |
|
| 112 |
def ParseOptions(self): |
| 113 |
"""Parses the command line options. |
| 114 |
|
| 115 |
In case of command line errors, it will show the usage and exit the |
| 116 |
program. |
| 117 |
|
| 118 |
""" |
| 119 |
parser = optparse.OptionParser(usage="\n%s" % USAGE, |
| 120 |
version=("%%prog (ganeti) %s" %
|
| 121 |
constants.RELEASE_VERSION), |
| 122 |
option_list=OPTIONS) |
| 123 |
|
| 124 |
options, args = parser.parse_args() |
| 125 |
if args: |
| 126 |
Usage() |
| 127 |
|
| 128 |
if options.hmac is None: |
| 129 |
options.hmac = utils.ReadFile(pathutils.CONFD_HMAC_KEY) |
| 130 |
self.hmac_key = options.hmac |
| 131 |
|
| 132 |
self.mc_list = [options.mc] |
| 133 |
|
| 134 |
self.opts = options |
| 135 |
|
| 136 |
def ConfdCallback(self, reply): |
| 137 |
"""Callback for confd queries""" |
| 138 |
if reply.type == confd_client.UPCALL_REPLY: |
| 139 |
answer = reply.server_reply.answer |
| 140 |
reqtype = reply.orig_request.type |
| 141 |
if reply.server_reply.status != constants.CONFD_REPL_STATUS_OK: |
| 142 |
Log("Query %s gave non-ok status %s: %s" % (reply.orig_request,
|
| 143 |
reply.server_reply.status, |
| 144 |
reply.server_reply)) |
| 145 |
if self.is_timing: |
| 146 |
Err("Aborting timing tests")
|
| 147 |
if reqtype == constants.CONFD_REQ_CLUSTER_MASTER: |
| 148 |
Err("Cannot continue after master query failure")
|
| 149 |
if reqtype == constants.CONFD_REQ_INSTANCES_IPS_LIST: |
| 150 |
Err("Cannot continue after instance IP list query failure")
|
| 151 |
return |
| 152 |
if self.is_timing: |
| 153 |
return |
| 154 |
if reqtype == constants.CONFD_REQ_PING: |
| 155 |
Log("Ping: OK")
|
| 156 |
elif reqtype == constants.CONFD_REQ_CLUSTER_MASTER: |
| 157 |
Log("Master: OK (%s)", answer)
|
| 158 |
if self.cluster_master is None: |
| 159 |
# only assign the first time, in the plain query |
| 160 |
self.cluster_master = answer |
| 161 |
elif reqtype == constants.CONFD_REQ_NODE_ROLE_BYNAME: |
| 162 |
if answer == constants.CONFD_NODE_ROLE_MASTER: |
| 163 |
Log("Node role for master: OK",)
|
| 164 |
else: |
| 165 |
Err("Node role for master: wrong: %s" % answer)
|
| 166 |
elif reqtype == constants.CONFD_REQ_NODE_PIP_LIST: |
| 167 |
Log("Node primary ip query: OK")
|
| 168 |
LogAtMost(answer, 5, indent=1) |
| 169 |
elif reqtype == constants.CONFD_REQ_MC_PIP_LIST: |
| 170 |
Log("Master candidates primary IP query: OK")
|
| 171 |
LogAtMost(answer, 5, indent=1) |
| 172 |
elif reqtype == constants.CONFD_REQ_INSTANCES_IPS_LIST: |
| 173 |
Log("Instance primary IP query: OK")
|
| 174 |
if not answer: |
| 175 |
Log("no IPs received", indent=1)
|
| 176 |
else: |
| 177 |
LogAtMost(answer, 5, indent=1) |
| 178 |
self.instance_ips = answer |
| 179 |
elif reqtype == constants.CONFD_REQ_NODE_PIP_BY_INSTANCE_IP: |
| 180 |
Log("Instance IP to node IP query: OK")
|
| 181 |
if not answer: |
| 182 |
Log("no mapping received", indent=1)
|
| 183 |
else: |
| 184 |
LogAtMost(answer, 5, indent=1) |
| 185 |
else: |
| 186 |
Log("Unhandled reply %s, please fix the client", reqtype)
|
| 187 |
print answer |
| 188 |
|
| 189 |
def DoConfdRequestReply(self, req): |
| 190 |
self.confd_counting_callback.RegisterQuery(req.rsalt) |
| 191 |
self.confd_client.SendRequest(req, async=False) |
| 192 |
while not self.confd_counting_callback.AllAnswered(): |
| 193 |
if not self.confd_client.ReceiveReply(): |
| 194 |
Err("Did not receive all expected confd replies")
|
| 195 |
break |
| 196 |
|
| 197 |
def TestConfd(self): |
| 198 |
"""Run confd queries for the cluster. |
| 199 |
|
| 200 |
""" |
| 201 |
Log("Checking confd results")
|
| 202 |
|
| 203 |
filter_callback = confd_client.ConfdFilterCallback(self.ConfdCallback) |
| 204 |
counting_callback = confd_client.ConfdCountingCallback(filter_callback) |
| 205 |
self.confd_counting_callback = counting_callback |
| 206 |
|
| 207 |
self.confd_client = confd_client.ConfdClient(self.hmac_key, |
| 208 |
self.mc_list, |
| 209 |
counting_callback) |
| 210 |
|
| 211 |
tests = [ |
| 212 |
{"type": constants.CONFD_REQ_PING},
|
| 213 |
{"type": constants.CONFD_REQ_CLUSTER_MASTER},
|
| 214 |
{"type": constants.CONFD_REQ_CLUSTER_MASTER,
|
| 215 |
"query": {constants.CONFD_REQQ_FIELDS:
|
| 216 |
[constants.CONFD_REQFIELD_NAME, |
| 217 |
constants.CONFD_REQFIELD_IP, |
| 218 |
constants.CONFD_REQFIELD_MNODE_PIP, |
| 219 |
]}}, |
| 220 |
{"type": constants.CONFD_REQ_NODE_ROLE_BYNAME},
|
| 221 |
{"type": constants.CONFD_REQ_NODE_PIP_LIST},
|
| 222 |
{"type": constants.CONFD_REQ_MC_PIP_LIST},
|
| 223 |
{"type": constants.CONFD_REQ_INSTANCES_IPS_LIST,
|
| 224 |
"query": None}, |
| 225 |
{"type": constants.CONFD_REQ_NODE_PIP_BY_INSTANCE_IP},
|
| 226 |
] |
| 227 |
|
| 228 |
for kwargs in tests: |
| 229 |
if kwargs["type"] == constants.CONFD_REQ_NODE_ROLE_BYNAME: |
| 230 |
assert self.cluster_master is not None |
| 231 |
kwargs["query"] = self.cluster_master |
| 232 |
elif kwargs["type"] == constants.CONFD_REQ_NODE_PIP_BY_INSTANCE_IP: |
| 233 |
kwargs["query"] = {constants.CONFD_REQQ_IPLIST: self.instance_ips}
|
| 234 |
|
| 235 |
# pylint: disable=W0142 |
| 236 |
# used ** magic |
| 237 |
req = confd_client.ConfdClientRequest(**kwargs) |
| 238 |
self.DoConfdRequestReply(req) |
| 239 |
|
| 240 |
def TestTiming(self): |
| 241 |
"""Run timing tests. |
| 242 |
|
| 243 |
""" |
| 244 |
# timing tests |
| 245 |
if self.opts.requests <= 0: |
| 246 |
return |
| 247 |
Log("Timing tests")
|
| 248 |
self.is_timing = True |
| 249 |
self.TimingOp("ping", {"type": constants.CONFD_REQ_PING})
|
| 250 |
self.TimingOp("instance ips",
|
| 251 |
{"type": constants.CONFD_REQ_INSTANCES_IPS_LIST})
|
| 252 |
|
| 253 |
def TimingOp(self, name, kwargs): |
| 254 |
"""Run a single timing test. |
| 255 |
|
| 256 |
""" |
| 257 |
start = time.time() |
| 258 |
for _ in range(self.opts.requests): |
| 259 |
# pylint: disable=W0142 |
| 260 |
req = confd_client.ConfdClientRequest(**kwargs) |
| 261 |
self.DoConfdRequestReply(req) |
| 262 |
stop = time.time() |
| 263 |
per_req = 1000 * (stop - start) / self.opts.requests |
| 264 |
Log("%.3fms per %s request", per_req, name, indent=1)
|
| 265 |
|
| 266 |
def Run(self): |
| 267 |
"""Run all the tests. |
| 268 |
|
| 269 |
""" |
| 270 |
self.TestConfd() |
| 271 |
self.TestTiming() |
| 272 |
|
| 273 |
|
| 274 |
def main(): |
| 275 |
"""Main function. |
| 276 |
|
| 277 |
""" |
| 278 |
return TestClient().Run() |
| 279 |
|
| 280 |
|
| 281 |
if __name__ == "__main__": |
| 282 |
main() |