4 # Helper functions that minipulate the PLC api.
6 # Faiyaz Ahmed <faiyaza@cs.princeton.edu
8 # $Id: plc.py,v 1.13 2007/04/02 20:57:57 faiyaza Exp $
11 from emailTxt import *
18 logger = logging.getLogger("monitor")
20 XMLRPC_SERVER = 'https://www.planet-lab.org/PLCAPI/'
23 Returns list of nodes in dbg as reported by PLC
27 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
28 anon = {'AuthMethod': "anonymous"}
29 for node in api.GetNodes(anon, {"boot_state":"dbg"},["hostname"]):
30 dbgNodes.append(node['hostname'])
31 logger.info("%s nodes in debug according to PLC." %len(dbgNodes))
36 Returns loginbase for given nodename
39 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
40 anon = {'AuthMethod': "anonymous"}
41 site_id = api.GetNodes (anon, {"hostname": nodename}, ['site_id'])
43 loginbase = api.GetSites (anon, site_id[0], ["login_base"])
44 return loginbase[0]['login_base']
47 Returns list of slices for a site.
49 def slices(loginbase):
51 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
52 sliceids = api.GetSites (auth.auth, {"login_base" : loginbase}, ["slice_ids"])[0]['slice_ids']
53 for slice in api.GetSlices(auth.auth, {"slice_id" : sliceids}, ["name"]):
54 siteslices.append(slice['name'])
58 Returns dict of PCU info of a given node.
61 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
62 anon = {'AuthMethod': "anonymous"}
63 nodeinfo = api.GetNodes(auth.auth, {"hostname": nodename}, ["pcu_ids", "ports"])[0]
64 if nodeinfo['pcu_ids']:
65 sitepcu = api.GetPCUs(auth.auth, nodeinfo['pcu_ids'])[0]
66 sitepcu[nodename] = nodeinfo["ports"][0]
69 logger.info("%s doesn't have PCU" % nodename)
73 Returns all site nodes for site id (loginbase).
75 def getSiteNodes(loginbase):
76 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
78 anon = {'AuthMethod': "anonymous"}
80 nodeids = api.GetSites(anon, {"login_base": loginbase})[0]['node_ids']
81 for node in api.GetNodes(anon, {"node_id": nodeids}):
82 nodelist.append(node['hostname'])
83 except Exception, exc:
84 logger.info("getSiteNodes: %s" % exc)
89 Sets boot state of a node.
91 def nodeBootState(nodename, state):
92 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
94 return api.UpdateNode(auth.auth, nodename, {'boot_state': state})
95 except Exception, exc:
96 logger.info("nodeBootState: %s" % exc)
99 Sends Ping Of Death to node.
101 def nodePOD(nodename):
102 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
103 logger.info("Sending POD to %s" % nodename)
106 return api.RebootNode(auth.auth, nodename)
107 except Exception, exc:
108 logger.info("nodePOD: %s" % exc)
111 Freeze all site slices.
113 def suspendSlices(nodename):
114 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
115 for slice in slices(siteId(nodename)):
116 logger.info("Suspending slice %s" % slice)
119 api.AddSliceAttribute(auth.auth, slice, "enabled", "0")
120 except Exception, exc:
121 logger.info("suspendSlices: %s" % exc)
124 #I'm commenting this because this really should be a manual process.
126 #Enable suspended site slices.
128 #def enableSlices(nodename, slicelist):
129 # api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
130 # for slice in slices(siteId(nodename)):
131 # logger.info("Suspending slice %s" % slice)
132 # api.SliceAttributeAdd(auth.auth, slice, "plc_slice_state", {"state" : "suspended"})
136 Removes ability to create slices. Returns previous max_slices
138 def removeSliceCreation(nodename):
139 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
141 loginbase = siteId(nodename)
142 numslices = api.GetSites(auth.auth, {"login_base": loginbase},
143 ["max_slices"])[0]['max_slices']
144 logger.info("Removing slice creation for site %s" % loginbase)
146 api.UpdateSite(auth.auth, loginbase, {'max_slices': 0})
147 except Exception, exc:
148 logger.info("removeSliceCreation: %s" % exc)
153 def enableSliceCreation(nodename, maxslices):
154 api = xmlrpclib.Server(XMLRPC_SERVER, verbose=False)
155 anon = {'AuthMethod': "anonymous"}
156 siteid = api.AnonAdmQuerySite (anon, {"node_hostname": nodename})
158 logger.info("Enabling slice creation for site %s" % siteId(nodename))
161 api.AdmUpdateSite(auth.auth, siteid[0], {"max_slices" : maxslices})
162 except Exception, exc:
163 logger.info("API: %s" % exc)
165 logger.debug("Cant find site for %s. Cannot enable creation." % nodename)
168 logger.setLevel(logging.DEBUG)
169 ch = logging.StreamHandler()
170 ch.setLevel(logging.DEBUG)
171 formatter = logging.Formatter('logger - %(message)s')
172 ch.setFormatter(formatter)
173 logger.addHandler(ch)
174 #print getpcu("kupl2.ittc.ku.edu")
175 #print getpcu("planetlab1.cse.msu.edu")
176 #print getpcu("alice.cs.princeton.edu")
178 #nodeBootState("alice.cs.princeton.edu", "boot")
179 #freezeSite("alice.cs.princeton.edu")
180 print removeSliceCreation("alice.cs.princeton.edu")
181 #enableSliceCreation("alice.cs.princeton.edu", 1024)
182 #print getSiteNodes("princeton")
183 #print siteId("alice.cs.princeton.edu")
184 #print nodePOD("alice.cs.princeton.edu")
185 #print slices("princeton")
187 if __name__=="__main__":