12 #old_handler = signal.getsignal(signal.SIGCHLD)
14 #def sig_handler(signum, stack):
15 # """ Handle SIGCHLD signal """
17 # if signum == signal.SIGCHLD:
22 # if old_handler != signal.SIG_DFL:
23 # old_handler(signum, stack)
25 #orig_sig_handler = signal.signal(signal.SIGCHLD, sig_handler)
27 from config import config
28 from optparse import OptionParser
29 parser = OptionParser()
30 parser.set_defaults(filename=None,
37 parser.add_option("-f", "--nodelist", dest="filename", metavar="FILE",
38 help="Provide the input file for the node list")
39 parser.add_option("", "--pcuid", dest="pcuid", metavar="id",
40 help="Provide the id for a single pcu")
41 parser.add_option("", "--cachenodes", action="store_true",
42 help="Cache node lookup from PLC")
43 parser.add_option("", "--dbname", dest="dbname", metavar="FILE",
44 help="Specify the name of the database to which the information is saved")
45 parser.add_option("", "--refresh", action="store_true", dest="refresh",
46 help="Refresh the cached values")
47 parser.add_option("-i", "--increment", action="store_true", dest="increment",
48 help="Increment round number to force refresh or retry")
49 config = config(parser)
53 COMON_COTOPURL= "http://summer.cs.princeton.edu/status/tabulator.cgi?" + \
54 "table=table_nodeview&" + \
55 "dumpcols='name,resptime,sshstatus,uptime,lastcotop'&" + \
58 #"select='lastcotop!=0'"
61 plc_lock = threading.Lock()
63 externalState = {'round': round, 'nodes': {'a': None}}
68 from reboot import pcu_name
76 def nmap_portstatus(status):
78 l_nmap = status.split()
81 continue_probe = False
83 results = port.split('/')
84 ps[results[0]] = results[1]
85 if results[1] == "open":
87 return (ps, continue_probe)
89 def collectPingAndSSH(pcuname, cohash):
94 ### GET PCU ######################
100 l_pcu = plc.GetPCUs({'pcu_id' : pcuname})
103 site_id = l_pcu[0]['site_id']
105 node_ids = l_pcu[0]['node_ids']
106 l_node = plc.getNodes(node_ids, ['hostname', 'last_contact',
110 values[node['hostname']] = node['ports'][0]
112 values['nodenames'] = [node['hostname'] for node in l_node]
113 # NOTE: this is for a dry run later. It doesn't matter which node.
114 values['node_id'] = l_node[0]['node_id']
117 values.update(l_pcu[0])
119 continue_probe = False
124 traceback.print_exc()
126 continue_probe = False
129 if b_except: return (None, None)
131 if values['hostname'] is not None:
132 values['hostname'] = values['hostname'].strip()
134 if values['ip'] is not None:
135 values['ip'] = values['ip'].strip()
137 #### COMPLETE ENTRY #######################
139 values['complete_entry'] = []
140 #if values['protocol'] is None or values['protocol'] is "":
141 # values['complete_entry'] += ["protocol"]
142 if values['model'] is None or values['model'] is "":
143 values['complete_entry'] += ["model"]
144 # Cannot continue due to this condition
145 continue_probe = False
147 if values['password'] is None or values['password'] is "":
148 values['complete_entry'] += ["password"]
149 # Cannot continue due to this condition
150 continue_probe = False
152 if len(values['complete_entry']) > 0:
153 continue_probe = False
155 if values['hostname'] is None or values['hostname'] is "":
156 values['complete_entry'] += ["hostname"]
157 if values['ip'] is None or values['ip'] is "":
158 values['complete_entry'] += ["ip"]
160 # If there are no nodes associated with this PCU, then we cannot continue.
161 if len(values['node_ids']) == 0:
162 continue_probe = False
163 values['complete_entry'] += ['NoNodeIds']
165 #### DNS and IP MATCH #######################
166 if values['hostname'] is not None and values['hostname'] is not "" and \
167 values['ip'] is not None and values['ip'] is not "":
168 #print "Calling socket.gethostbyname(%s)" % values['hostname']
170 ipaddr = socket.gethostbyname(values['hostname'])
171 if ipaddr == values['ip']:
172 values['dnsmatch'] = "DNS-OK"
174 values['dnsmatch'] = "DNS-MISMATCH"
175 continue_probe = False
177 except Exception, err:
178 values['dnsmatch'] = "DNS-NOENTRY"
179 values['hostname'] = values['ip']
182 if values['ip'] is not None and values['ip'] is not "":
183 values['dnsmatch'] = "NOHOSTNAME"
184 values['hostname'] = values['ip']
186 values['dnsmatch'] = "NO-DNS-OR-IP"
187 values['hostname'] = "No_entry_in_DB"
188 continue_probe = False
190 #### RUN NMAP ###############################
193 (oval,eval) = nmap.run_noexcept("nmap -oG - -P0 -p22,23,80,443,5869,16992 %s | grep Host:" % pcu_name(values))
194 # NOTE: an empty / error value for oval, will still work.
195 (values['portstatus'], continue_probe) = nmap_portstatus(oval)
197 values['portstatus'] = None
200 ###### DRY RUN ############################
201 if 'node_ids' in values and len(values['node_ids']) > 0:
202 rb_ret = reboot.reboot_test(values['nodenames'][0], values, continue_probe, 1, True)
204 rb_ret = "Not_Run" # No nodes to test"
206 values['reboot'] = rb_ret
208 ### GET PLC SITE ######################
213 d_site = plc.getSites({'site_id': site_id},
214 ['max_slices', 'slice_ids', 'node_ids', 'login_base'])
218 traceback.print_exc()
221 if b_except: return (None, None)
223 if d_site and len(d_site) > 0:
224 max_slices = d_site[0]['max_slices']
225 num_slices = len(d_site[0]['slice_ids'])
226 num_nodes = len(d_site[0]['node_ids'])
227 loginbase = d_site[0]['login_base']
228 values['plcsite'] = {'num_nodes' : num_nodes,
229 'max_slices' : max_slices,
230 'num_slices' : num_slices,
231 'login_base' : loginbase,
232 'status' : 'SUCCESS'}
234 values['plcsite'] = {'status' : "GS_FAILED"}
236 print "____________________________________"
239 print "____________________________________"
241 errors['traceback'] = traceback.format_exc()
242 print errors['traceback']
244 values['checked'] = time.time()
245 return (pcuname, values, errors)
247 def recordPingAndSSH(request, result):
251 (nodename, values, errors) = result
253 if values is not None:
254 global_round = externalState['round']
255 pcu_id = "id_%s" % nodename
256 externalState['nodes'][pcu_id]['values'] = values
257 externalState['nodes'][pcu_id]['round'] = global_round
260 print "%d %s %s" % (count, nodename, externalState['nodes'][pcu_id]['values'])
261 soltesz.dbDump(config.dbname, externalState)
263 if errors is not None:
264 pcu_id = "id_%s" % nodename
265 errorState[pcu_id] = errors
266 soltesz.dbDump("findbadpcu_errors", errorState)
268 # this will be called when an exception occurs within a thread
269 def handle_exception(request, result):
270 print "Exception occured in request %s" % request.requestID
272 print "Result: %s" % i
275 def checkAndRecordState(l_pcus, cohash):
278 global_round = externalState['round']
280 tp = threadpool.ThreadPool(20)
282 # CREATE all the work requests
283 for pcuname in l_pcus:
284 pcu_id = "id_%s" % pcuname
285 if pcuname not in externalState['nodes']:
286 #print type(externalState['nodes'])
288 externalState['nodes'][pcu_id] = {'round': 0, 'values': []}
290 node_round = externalState['nodes'][pcu_id]['round']
291 if node_round < global_round:
292 # recreate node stats when refreshed
293 #print "%s" % nodename
294 req = threadpool.WorkRequest(collectPingAndSSH, [pcuname, cohash], {},
295 None, recordPingAndSSH, handle_exception)
298 # We just skip it, since it's "up to date"
300 print "%d %s %s" % (count, pcu_id, externalState['nodes'][pcu_id]['values'])
303 # WAIT while all the work requests are processed.
308 except KeyboardInterrupt:
311 except threadpool.NoResultsPending:
312 print "All results collected."
320 externalState = soltesz.if_cached_else(1, config.dbname, lambda : externalState)
324 # update global round number to force refreshes across all nodes
325 externalState['round'] += 1
327 if config.filename == None and config.pcuid == None:
328 print "Calling API GetPCUs() : refresh(%s)" % config.refresh
329 l_pcus = soltesz.if_cached_else_refresh(1,
330 config.refresh, "pculist", lambda : plc.GetPCUs())
331 l_pcus = [pcu['pcu_id'] for pcu in l_pcus]
332 elif config.filename is not None:
333 l_pcus = config.getListFromFile(config.filename)
334 l_pcus = [int(pcu) for pcu in l_pcus]
335 elif config.pcuid is not None:
336 l_pcus = [ config.pcuid ]
337 l_pcus = [int(pcu) for pcu in l_pcus]
340 checkAndRecordState(l_pcus, cohash)
345 logger = logging.getLogger("monitor")
346 logger.setLevel(logging.DEBUG)
347 fh = logging.FileHandler("monitor.log", mode = 'a')
348 fh.setLevel(logging.DEBUG)
349 formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
350 fh.setFormatter(formatter)
351 logger.addHandler(fh)
354 if __name__ == '__main__':
356 # NOTE: evidently, there is a bizarre interaction between iLO and ssh
357 # when LANG is set... Do not know why. Unsetting LANG, fixes the problem.
358 if 'LANG' in os.environ:
359 del os.environ['LANG']
362 except Exception, err:
363 print "Exception: %s" % err
364 print "Saving data... exitting."
365 soltesz.dbDump(config.dbname, externalState)