1 # Thierry Parmentelat <thierry.parmentelat@inria.fr>
2 # Copyright (C) 2010 INRIA
6 from datetime import datetime, timedelta
9 from TestKey import TestKey
10 from TestUser import TestUser
11 from TestNode import TestNode
12 from TestSsh import TestSsh
13 from Completer import Completer, CompleterTask
15 class CompleterTaskSshSlice (CompleterTask):
17 def __init__ (self, test_plc, hostname, slicename, private_key,command, expected, dry_run):
18 self.test_plc=test_plc
19 self.hostname=hostname
20 self.slicename=slicename
21 self.private_key=private_key
24 self.expected=expected
25 def run (self, silent):
26 (site_spec,node_spec) = self.test_plc.locate_hostname(self.hostname)
27 test_ssh = TestSsh (self.hostname,key=self.private_key,username=self.slicename)
28 full_command = test_ssh.actual_command(self.command)
29 retcod = utils.system (full_command, silent=silent)
30 if self.dry_run: return True
31 if self.expected: return retcod==0
32 else: return retcod!=0
33 def failure_message (self):
35 return "Could not ssh into sliver %s@%s"%(self.slicename,self.hostname)
37 return "Could still ssh into sliver%s@%s (that was expected to be down)"%(self.slicename,self.hostname)
41 def __init__ (self,test_plc,test_site,slice_spec):
42 self.test_plc=test_plc
43 self.test_site=test_site
44 self.slice_spec=slice_spec
45 self.test_ssh=TestSsh(self.test_plc.test_ssh)
48 return self.slice_spec['slice_fields']['name']
50 def get_slice(self,slice_name):
51 for slice_spec in self.test_plc.plc_spec['slices']:
52 if(slice_spec['slice_fields']['name']== slice_name):
56 owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
57 return TestUser(self,self.test_site,owner_spec).auth()
59 def slice_name (self):
60 return self.slice_spec['slice_fields']['name']
62 # init slice with people, and then add nodes
63 def create_slice(self):
64 auth = self.owner_auth()
65 slice_fields = self.slice_spec['slice_fields']
66 slice_name = slice_fields['name']
67 utils.header("Creating slice %s"%slice_name)
68 self.test_plc.apiserver.AddSlice(auth,slice_fields)
69 for username in self.slice_spec['usernames']:
70 user_spec=self.test_site.locate_user(username)
71 test_user=TestUser(self,self.test_site,user_spec)
72 self.test_plc.apiserver.AddPersonToSlice(auth, test_user.name(), slice_name)
73 # add initscript code or name as appropriate
74 if self.slice_spec.has_key('initscriptcode'):
75 iscode=self.slice_spec['initscriptcode']
76 utils.header("Adding initscript code %s in %s"%(iscode,slice_name))
77 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'initscript_code',iscode)
78 elif self.slice_spec.has_key('initscriptname'):
79 isname=self.slice_spec['initscriptname']
80 utils.header("Adding initscript name %s in %s"%(isname,slice_name))
81 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'initscript',isname)
82 if 'omf-friendly' in self.slice_spec:
83 utils.header("Making slice %s OMF-friendly"%slice_name)
84 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'vref','omf')
85 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'omf_control','yes')
86 # setting vref directly like this was useful for multi-arch tests long ago - see wifilab
87 # however this should rather use other tags by now, so we drop this for now
88 # if self.slice_spec.has_key ('vref'):
89 # vref_value=self.slice_spec['vref']
90 # self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'vref',vref_value)
94 def check_vsys_defaults (self, options, *args, **kwds):
95 "check vsys tags match PLC_VSYS_DEFAULTS"
96 auth = self.owner_auth()
97 slice_fields = self.slice_spec['slice_fields']
98 slice_name = slice_fields['name']
99 vsys_tags = self.test_plc.apiserver.GetSliceTags (auth,{'tagname':'vsys','name':slice_name})
100 values=[ st['value'] for st in vsys_tags ]
101 expected=self.test_plc.plc_spec['expected_vsys_tags']
102 result = set(values) == set(expected)
104 print 'Check vsys defaults with slice %s'%slice_name
105 print 'Expected %s'%expected
106 print 'Got %s'%values
109 # just add the nodes and handle tags
110 def add_nodes (self):
111 auth = self.owner_auth()
112 slice_name = self.slice_name()
114 for nodename in self.slice_spec['nodenames']:
115 node_spec=self.test_site.locate_node(nodename)
116 test_node=TestNode(self,self.test_site,node_spec)
117 hostnames += [test_node.name()]
118 utils.header("Adding %r in %s"%(hostnames,slice_name))
119 self.test_plc.apiserver.AddSliceToNodes(auth, slice_name, hostnames)
121 # trash the slice altogether
122 def delete_slice(self):
123 auth = self.owner_auth()
124 slice_name = self.slice_name()
125 utils.header("Deleting slice %s"%slice_name)
126 self.test_plc.apiserver.DeleteSlice(auth,slice_name)
128 # keep the slice alive and just delete nodes
129 def delete_nodes (self):
130 auth = self.owner_auth()
131 slice_name = self.slice_name()
132 print 'retrieving slice %s'%slice_name
133 slice=self.test_plc.apiserver.GetSlices(auth,slice_name)[0]
134 node_ids=slice['node_ids']
135 utils.header ("Deleting %d nodes from slice %s"%\
136 (len(node_ids),slice_name))
137 self.test_plc.apiserver.DeleteSliceFromNodes (auth,slice_name, node_ids)
139 def locate_private_key(self):
141 for username in self.slice_spec['usernames']:
142 user_spec=self.test_site.locate_user(username)
143 key_names += user_spec['key_names']
144 return self.test_plc.locate_private_key_from_key_names (key_names)
146 # to be used through TestPlc.slice_mapper_tasks
147 # i.e. returns a list of CompleterTasks that are merged into the same Completer run
148 # to avoid waiting for as many slices as the Plc has
149 # also the __doc__ lines are used for the TestPlc methods, e.g. just 'ssh_slice'
150 def ssh_slice__tasks (self, options, *args, **kwds):
151 "tries to ssh-enter the slice with the user key, to check for slice creation"
152 return self.ssh_tasks(options, expected=True, *args, **kwds)
154 # when we expect the slice is not reachable
155 def ssh_slice_off__tasks (self, options, *args, **kwds):
156 "tries to ssh-enter the slice with the user key, expecting it to be unreachable"
157 return self.ssh_tasks(options, expected=False, *args, **kwds)
159 def ssh_tasks(self,options, expected=True, command=None):
160 # timeout_minutes=20,silent_minutes=10,period_seconds=15):
161 # timeout = timedelta(minutes=timeout_minutes)
162 # graceout = timedelta(minutes=silent_minutes)
163 # period = timedelta(seconds=period_seconds)
165 command="echo hostname ; hostname; echo id; id; echo uname -a ; uname -a"
167 private_key=self.locate_private_key()
169 utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
172 # convert nodenames to real hostnames
173 if expected: msg="ssh slice access enabled"
174 else: msg="ssh slice access disabled"
175 utils.header("checking for %s -- slice %s"%(msg,self.name()))
178 slicename=self.name()
179 dry_run = getattr(options,'dry_run',False)
180 for nodename in self.slice_spec['nodenames']:
181 (site_spec,node_spec) = self.test_plc.locate_node(nodename)
182 tasks.append( CompleterTaskSshSlice(self.test_plc,node_spec['node_fields']['hostname'],
183 slicename,private_key,command,expected,dry_run))
185 # return Completer (tasks).run (timeout, graceout, period)
187 def ssh_slice_basics (self, options, *args, **kwds):
188 "the slice is expected to be UP and we just check a few simple sanity commands, including 'ps' to check for /proc"
190 if not self.do_ssh_slice_once(options,expected=True, command='true'): overall=False
191 if not self.do_ssh_slice_once(options,expected=False, command='false'): overall=False
192 if not self.do_ssh_slice_once(options,expected=False, command='someimprobablecommandname'): overall=False
193 if not self.do_ssh_slice_once(options,expected=True, command='ps'): overall=False
196 # pick just one nodename and runs the ssh command once
197 def do_ssh_slice_once(self,options,command,expected):
199 private_key=self.locate_private_key()
201 utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
204 # convert nodenames to real hostnames
205 slice_spec = self.slice_spec
206 nodename=slice_spec['nodenames'][0]
207 (site_spec,node_spec) = self.test_plc.locate_node(nodename)
208 hostname=node_spec['node_fields']['hostname']
210 if expected: msg="%s to return TRUE from ssh"%command
211 else: msg="%s to return FALSE from ssh"%command
213 utils.header("checking %s -- slice %s on node %s"%(msg,self.name(),hostname))
214 (site_spec,node_spec) = self.test_plc.locate_hostname(hostname)
215 test_ssh = TestSsh (hostname,key=private_key,username=self.name())
216 full_command = test_ssh.actual_command(command)
217 retcod = utils.system (full_command,silent=True)
218 if getattr(options,'dry_run',None): return True
219 if expected: success = retcod==0
220 else: success = retcod!=0
221 if not success: utils.header ("WRONG RESULT for %s"%msg)