3 # Helper functions that minipulate the PLC api.
5 # Faiyaz Ahmed <faiyaza@cs.princeton.edu>
6 # Copyright (C) 2006, 2007 The Trustees of Princeton University
8 # $Id: plc.py,v 1.9 2007/02/12 19:54:56 mef Exp $
11 from emailTxt import *
16 import getpass, getopt
19 logger = logging.getLogger("monitor")
20 XMLRPC_SERVER = 'https://www2.planet-lab.org/PLCAPI/'
21 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False, allow_none = True)
25 """Returns list of nodes in dbg as reported by PLC"""
29 allnodes = api.GetNodes(auth, None, ['hostname','boot_state'])
31 if node['boot_state'] == 'dbg': dbgNodes.append(node['hostname'])
32 logger.info("%d nodes in debug according to PLC." %len(dbgNodes))
37 """Returns loginbase for given nodename"""
41 site_ids = api.GetNodes(auth, [nodename], ['site_id'])
42 if len(site_ids) == 1:
43 site_id = [site_ids[0]['site_id']]
44 loginbase = api.GetSites (auth, site_id, ["login_base"])
45 return loginbase[0]['login_base']
48 """Returns list of slices for a site."""
52 printUsage("not enough arguments; please provide loginbase")
57 printUsage("requires admin privs")
60 slices = api.GetSlices (auth, {'name':"%s_*"%loginbase},['name'])
61 slices = map(lambda x: x['name'],slices)
65 """Returns dict of PCU info of a given node."""
68 nodename = argv[0].lower()
70 printUsage("requires admin privs")
73 pcus = api.GetNodes(auth, [nodename], ['pcu_ids'])
75 pcus = map(lambda x: x['pcu_ids'],pcus)[0]
76 nodepcus = api.GetPCUs(auth,pcus)
82 def getSiteNodes(argv):
83 """Returns all site nodes for site id (loginbase)."""
86 printUsage("not enough arguments; please provide loginbase")
91 site_ids = api.GetSites(auth, {'login_base': "%s" % loginbase}, ['node_ids'])
92 if len(site_ids) == 1:
93 node_ids = site_ids[0]['node_ids']
94 nodes = api.GetNodes(auth,node_ids,['hostname'])
95 nodelist = map(lambda x: x['hostname'], nodes)
96 elif len(site_ids) == 0:
97 logger.info("getSiteNodes: can't find site %s" %loginbase)
101 def renewAllSlices (argv):
102 """Sets the expiration date of all slices to given date"""
106 # convert time string using fmt "%B %d %Y" to epoch integer
108 newexp = int(time.mktime(time.strptime(newexp,"%B %d %Y")))
109 except ValueError, e:
110 errormsg = """Expecting date to be in Month Day Year
112 new expiration date provided %s""" % newexp
116 slices = api.GetSlices(auth)
119 exp = int(slice['expires'])
120 olddate = time.asctime(time.localtime(exp))
121 slice_attributes = api.GetSliceAttributes(auth,slice['slice_attribute_ids'])
122 for slice_attribute in slice_attributes:
123 if slice_attribute['name'] == "enabled":
124 print "%s is suspended" % name
126 newdate = time.asctime(time.localtime(newexp))
127 ret = api.SliceRenew(auth,name,newexp)
129 print "failed to renew %s" %name
131 def nodeBootState(argv):
132 """Sets boot state of a node."""
136 printUsage("not enough arguments")
145 printUsage("requires admin privs")
148 node = api.GetNodes(auth, [nodename], ['node_id','boot_state'])
152 logger.info("%s boot_state=%s" %(nodename, node['boot_state']))
153 if len(argv) >=2 and not config.debug:
154 logger.info("Setting node %s boot_state=%s" %(nodename, state))
155 node_id = node['node_id']
156 api.UpdateNode(auth, node_id, {'boot_state': state})
157 except Exception, exc:
158 logger.info("nodeBootState: %s" % exc)
160 logger.info("Cant find node %s to toggle boot state" % nodename)
164 """Sends Ping Of Death to node."""
168 printUsage("not enough arguments")
173 printUsage("requires admin privs")
176 node = api.GetNodes(auth, [nodename], ['node_id'])
179 logger.info("Sending POD to %s" % nodename)
182 api.RebootNode(auth, node['node_id'])
183 except Exception, exc:
184 logger.info("nodePOD: %s" % exc)
186 logger.info("Cant find node %s to send POD." % nodename)
188 def suspendSlices(argv):
189 """Freeze all site slices."""
193 printUsage("requires admin privs")
196 if argv[0].find(".") <> -1: siteslices = slices([siteId(argv)])
197 else: siteslices = slices(argv)
199 for slice in siteslices:
200 logger.info("Suspending slice %s" % slice)
203 api.AddSliceAttribute(auth, slice, "plc_slice_state", "suspended")
204 except Exception, exc:
205 logger.info("suspendSlices: %s" % exc)
208 def enableSlices(argv):
209 """Enable suspended site slices."""
213 printUsage("requires admin privs")
216 if argv[0].find(".") <> -1:
217 slices = api.GetSlices(auth,[siteId(argv)])
219 gSlices = {'name':"%s_*"%argv[0]}
220 slices = api.GetSlices(auth,gSlices)
223 logger.info("unfreezing slice %s" % slice['name'])
224 slice_attributes = api.GetSliceAttributes(auth,slice['slice_attribute_ids'])
225 for slice_attribute in slice_attributes:
226 if slice_attribute['name'] == "plc_slice_state":
227 api.DeleteSliceAttribute(auth, slice_attribute['slice_attribute_id'])
229 def setSliceMax(argv):
230 """Set max_slices for Slice. Returns previous max_slices"""
233 printUsage("requires admin privs")
238 if name.find(".") <> -1:
239 site_ids = api.GetNodes(auth, [name], ['site_id'])
240 if len(site_ids) == 1:
241 site_id = [site_ids[0]['site_id']]
242 loginbase = api.GetSites (auth, site_id, ["login_base"])
244 printUsage("invalid hostname %s" % name)
247 site_ids = api.GetSites(auth, {'login_base': "%s" % name}, ['site_id'])
248 if len(site_ids) == 1:
249 siteid = site_ids[0]['site_id']
252 numslices = api.GetSites(auth, [siteid], ["max_slices"])[0]['max_slices']
254 api.UpdateSite(auth, siteid, {'max_slices': val})
255 logger.info("_SetSliceMax: %s max_slices was %d set to %d" % (loginbase,numslices,val))
257 except Exception, exc:
258 logger.info("_SetSliceMax: %s" % exc)
262 Usage: %s [-u user] [-p password] [-r role] CMD
265 -u PLC account username
266 -p PLC account password
271 def printUsage(error = None):
274 print "%s %s" %(sys.argv[0],error)
277 for name,function in funclist:
278 print "%20s\t%20s" % (name, function.__doc__)
288 (opts, argv) = getopt.getopt(sys.argv[1:], "u:p:r:h")
293 for (opt, optval) in opts:
307 password = getpass.getpass()
308 except (EOFError, KeyboardInterrupt):
312 auth['Username'] = user
313 auth['AuthMethod'] = "password"
314 auth['AuthString'] = password
317 cmd = functbl.get(argv[0], None)
322 logger.setLevel(logging.DEBUG)
323 ch = logging.StreamHandler()
324 ch.setLevel(logging.DEBUG)
325 formatter = logging.Formatter('logger - %(message)s')
326 ch.setFormatter(formatter)
327 logger.addHandler(ch)
328 result = cmd(argv[1:])
332 funclist = (("nodesDbg",nodesDbg),
336 ("siteNodes", getSiteNodes),
337 ("nodeBootState", nodeBootState),
338 ("nodePOD", nodePOD),
339 ("freezeSlices", suspendSlices),
340 ("unfreezeSlices", enableSlices),
341 ("setSliceMax", setSliceMax),
342 ("renewAllSlices", renewAllSlices))
348 if __name__=="__main__":