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):
34 return "Could not ssh into slice %s @ %s"%(self.slicename,self.hostname)
38 def __init__ (self,test_plc,test_site,slice_spec):
39 self.test_plc=test_plc
40 self.test_site=test_site
41 self.slice_spec=slice_spec
42 self.test_ssh=TestSsh(self.test_plc.test_ssh)
45 return self.slice_spec['slice_fields']['name']
47 def get_slice(self,slice_name):
48 for slice_spec in self.test_plc.plc_spec['slices']:
49 if(slice_spec['slice_fields']['name']== slice_name):
53 owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
54 return TestUser(self,self.test_site,owner_spec).auth()
56 def slice_name (self):
57 return self.slice_spec['slice_fields']['name']
59 # init slice with people, and then add nodes
60 def create_slice(self):
61 auth = self.owner_auth()
62 slice_fields = self.slice_spec['slice_fields']
63 slice_name = slice_fields['name']
64 utils.header("Creating slice %s"%slice_name)
65 self.test_plc.apiserver.AddSlice(auth,slice_fields)
66 for username in self.slice_spec['usernames']:
67 user_spec=self.test_site.locate_user(username)
68 test_user=TestUser(self,self.test_site,user_spec)
69 self.test_plc.apiserver.AddPersonToSlice(auth, test_user.name(), slice_name)
70 # add initscript code or name as appropriate
71 if self.slice_spec.has_key('initscriptcode'):
72 iscode=self.slice_spec['initscriptcode']
73 utils.header("Adding initscript code %s in %s"%(iscode,slice_name))
74 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'initscript_code',iscode)
75 elif self.slice_spec.has_key('initscriptname'):
76 isname=self.slice_spec['initscriptname']
77 utils.header("Adding initscript name %s in %s"%(isname,slice_name))
78 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'initscript',isname)
79 if self.slice_spec.has_key ('vref'):
80 vref_value=self.slice_spec['vref']
81 self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'vref',vref_value)
85 def check_vsys_defaults (self, options, *args, **kwds):
86 "check vsys tags match PLC_VSYS_DEFAULTS"
87 auth = self.owner_auth()
88 slice_fields = self.slice_spec['slice_fields']
89 slice_name = slice_fields['name']
90 vsys_tags = self.test_plc.apiserver.GetSliceTags (auth,{'tagname':'vsys','name':slice_name})
91 values=[ st['value'] for st in vsys_tags ]
92 expected=self.test_plc.plc_spec['expected_vsys_tags']
93 result = set(values) == set(expected)
95 print 'Check vsys defaults with slice %s'%slice_name
96 print 'Expected %s'%expected
100 # just add the nodes and handle tags
101 def add_nodes (self):
102 auth = self.owner_auth()
103 slice_name = self.slice_name()
105 for nodename in self.slice_spec['nodenames']:
106 node_spec=self.test_site.locate_node(nodename)
107 test_node=TestNode(self,self.test_site,node_spec)
108 hostnames += [test_node.name()]
109 utils.header("Adding %r in %s"%(hostnames,slice_name))
110 self.test_plc.apiserver.AddSliceToNodes(auth, slice_name, hostnames)
112 # trash the slice altogether
113 def delete_slice(self):
114 auth = self.owner_auth()
115 slice_name = self.slice_name()
116 utils.header("Deleting slice %s"%slice_name)
117 self.test_plc.apiserver.DeleteSlice(auth,slice_name)
119 # keep the slice alive and just delete nodes
120 def delete_nodes (self):
121 auth = self.owner_auth()
122 slice_name = self.slice_name()
123 print 'retrieving slice %s'%slice_name
124 slice=self.test_plc.apiserver.GetSlices(auth,slice_name)[0]
125 node_ids=slice['node_ids']
126 utils.header ("Deleting %d nodes from slice %s"%\
127 (len(node_ids),slice_name))
128 self.test_plc.apiserver.DeleteSliceFromNodes (auth,slice_name, node_ids)
130 def locate_private_key(self):
132 for username in self.slice_spec['usernames']:
133 user_spec=self.test_site.locate_user(username)
134 key_names += user_spec['key_names']
135 return self.test_plc.locate_private_key_from_key_names (key_names)
137 # trying to reach the slice through ssh - expected to answer
138 def ssh_slice (self, options, *args, **kwds):
139 "tries to ssh-enter the slice with the user key, to ensure slice creation"
140 return self.do_ssh_slice(options, expected=True, *args, **kwds)
142 # when we expect the slice is not reachable
143 def ssh_slice_off (self, options, *args, **kwds):
144 "tries to ssh-enter the slice with the user key, expecting it to be unreachable"
145 return self.do_ssh_slice(options, expected=False, *args, **kwds)
147 def do_ssh_slice(self,options,expected=True,
148 timeout_minutes=20,silent_minutes=10,period_seconds=15,command=None):
149 "tries to enter a slice"
151 timeout = timedelta(minutes=timeout_minutes)
152 graceout = timedelta(minutes=silent_minutes)
153 period = timedelta(seconds=period_seconds)
155 command="echo hostname ; hostname; echo id; id; echo uname -a ; uname -a"
157 private_key=self.locate_private_key()
159 utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
162 # convert nodenames to real hostnames
163 if expected: msg="ssh slice access enabled"
164 else: msg="ssh slice access disabled"
165 utils.header("checking for %s -- slice %s"%(msg,self.name()))
168 slicename=self.name()
169 dry_run = getattr(options,'dry_run',False)
170 for nodename in self.slice_spec['nodenames']:
171 (site_spec,node_spec) = self.test_plc.locate_node(nodename)
172 tasks.append( CompleterTaskSshSlice(self.test_plc,node_spec['node_fields']['hostname'],
173 slicename,private_key,command,expected,dry_run))
174 return Completer (tasks).run (timeout, graceout, period)
176 def ssh_slice_basics (self, options, *args, **kwds):
177 "the slice is expected to be UP and we just check a few simple sanity commands, including 'ps' to check for /proc"
179 if not self.do_ssh_slice_once(options,expected=True, command='true'): overall=False
180 if not self.do_ssh_slice_once(options,expected=False, command='false'): overall=False
181 if not self.do_ssh_slice_once(options,expected=False, command='someimprobablecommandname'): overall=False
182 if not self.do_ssh_slice_once(options,expected=True, command='ps'): overall=False
185 # pick just one nodename and runs the ssh command once
186 def do_ssh_slice_once(self,options,command,expected):
188 private_key=self.locate_private_key()
190 utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
193 # convert nodenames to real hostnames
194 slice_spec = self.slice_spec
195 nodename=slice_spec['nodenames'][0]
196 (site_spec,node_spec) = self.test_plc.locate_node(nodename)
197 hostname=node_spec['node_fields']['hostname']
199 if expected: msg="%s to return TRUE from ssh"%command
200 else: msg="%s to return FALSE from ssh"%command
202 utils.header("checking %s -- slice %s on node %s"%(msg,self.name(),hostname))
203 (site_spec,node_spec) = self.test_plc.locate_hostname(hostname)
204 test_ssh = TestSsh (hostname,key=private_key,username=self.name())
205 full_command = test_ssh.actual_command(command)
206 retcod = utils.system (full_command,silent=True)
207 if getattr(options,'dry_run',None): return True
208 if expected: success = retcod==0
209 else: success = retcod!=0
210 if not success: utils.header ("WRONG RESULT for %s"%msg)