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confluent/confluent_client/bin/nodesupport
Jarrod Johnson 620263db3e Add maxnodes argument to potentially risky commands
This uses the client maxnodes check to double check.  Useful
for clients that want to sanity check unexpectedly large numbers of
nodes.
2019-10-23 14:20:40 -04:00

153 lines
4.8 KiB
Python

#!/usr/bin/python2
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2018 Lenovo
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import optparse
import os
import signal
import sys
import time
try:
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
pass
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
sys.path.append(path)
import confluent.client as client
import confluent.screensqueeze as sq
exitcode = 0
def get_update_progress(session, url):
for res in session.read(url):
status = res['phase']
percent = res['progress']
detail = res['detail']
if status == 'error':
text = 'error!'
else:
text = '{0}: {1:3.0f}%'.format(status, percent)
return text, status, detail
def printerror(res, node=None):
global exitcode
if 'errorcode' in res:
exitcode = res['errorcode']
if 'error' in res:
if node:
sys.stderr.write('{0}: {1}\n'.format(node, res['error']))
else:
sys.stderr.write('{0}\n'.format(res['error']))
if 'errorcode' not in res:
exitcode = 1
for node in res.get('databynode', ()):
printerror(res['databynode'][node], node)
def download_servicedata(noderange, media, options):
global exitcode
session = client.Command()
output = sq.ScreenPrinter(noderange, session)
filename = os.path.abspath(media)
resource = '/noderange/{0}/support/servicedata/'.format(noderange)
upargs = {'filename': filename}
noderrs = {}
nodeurls = {}
session.stop_if_noderange_over(noderange, options.maxnodes)
for res in session.create(resource, upargs):
if 'created' not in res:
for nodename in res.get('databynode', ()):
output.set_output(nodename, 'error!')
noderrs[nodename] = res['databynode'][nodename].get(
'error', 'Unknown Error')
continue
watchurl = res['created']
currnode = watchurl.split('/')[1]
nodeurls[currnode] = '/' + watchurl
while nodeurls:
for node in list(nodeurls):
progress, status, err = get_update_progress(
session, nodeurls[node])
if status == 'error':
exitcode = 1
noderrs[node] = err
if status in ('error', 'complete', 'pending'):
list(session.delete(nodeurls[node]))
del nodeurls[node]
output.set_output(node, progress)
time.sleep(2)
allerrnodes = ','.join(noderrs)
if noderrs:
sys.stderr.write(
'Nodes had errors retrieving service data ({0})!\n'.format(allerrnodes))
for node in noderrs:
sys.stderr.write('{0}: {1}\n'.format(node, noderrs[node]))
funmap = {
'servicedata': download_servicedata,
}
class OptParser(optparse.OptionParser):
def format_epilog(self, formatter):
return self.expand_prog_name(self.epilog)
def main():
argparser = OptParser(
usage="Usage: %prog <noderange> servicedata "
"<filename>",
epilog='\nservicedata will save service data to the given '
'directory. It is saved to the location on the relevant '
'management server (the confluent server if running remote, '
'and the collective.manager if in collective)\n'
'\n\nSee `man %prog` for more info.\n')
argparser.add_option('-m', '--maxnodes', type='int',
help='Specify a maximum number of '
'nodes to download diagnostic data from, '
'prompting if over the threshold')
(options, args) = argparser.parse_args()
media = None
try:
noderange = args[0]
operation = args[1]
arglength = 2
if operation == 'servicedata':
media = args[2]
arglength = 3
if len(args) > arglength:
argparser.print_help()
sys.exit(1)
except IndexError:
argparser.print_help()
sys.exit(1)
client.check_globbing(noderange)
try:
handler = funmap[operation]
except KeyError:
argparser.print_help()
sys.exit(1)
handler(noderange, media, options)
if __name__ == '__main__':
main()