+# Thierry Parmentelat <thierry.parmentelat@inria.fr>
+# Copyright (C) 2010 INRIA
+#
import utils
import os, os.path
import datetime
from TestKey import TestKey
from TestUser import TestUser
from TestNode import TestNode
+from TestSsh import TestSsh
class TestSlice:
self.test_plc=test_plc
self.test_site=test_site
self.slice_spec=slice_spec
-
+ self.test_ssh=TestSsh(self.test_plc.test_ssh)
+
def name(self):
return self.slice_spec['slice_fields']['name']
+
+ def get_slice(self,slice_name):
+ for slice_spec in self.test_plc.plc_spec['slices']:
+ if(slice_spec['slice_fields']['name']== slice_name):
+ return slice_spec
- def delete_slice(self):
+ def owner_auth(self):
owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
- auth = TestUser(self,self.test_site,owner_spec).auth()
- slice_fields = self.slice_spec['slice_fields']
- slice_name = slice_fields['name']
- self.test_plc.server.DeleteSlice(auth,slice_fields['name'])
- utils.header("Deleted slice %s"%slice_fields['name'])
+ return TestUser(self,self.test_site,owner_spec).auth()
-
+ def slice_name (self):
+ return self.slice_spec['slice_fields']['name']
+
+ # init slice with people, and then add nodes
def create_slice(self):
- owner_spec = self.test_site.locate_user(self.slice_spec['owner'])
- auth = TestUser(self,self.test_site,owner_spec).auth()
+ auth = self.owner_auth()
slice_fields = self.slice_spec['slice_fields']
slice_name = slice_fields['name']
-
- self.test_plc.server.AddSlice(auth,slice_fields)
+ utils.header("Creating slice %s"%slice_name)
+ self.test_plc.apiserver.AddSlice(auth,slice_fields)
for username in self.slice_spec['usernames']:
user_spec=self.test_site.locate_user(username)
test_user=TestUser(self,self.test_site,user_spec)
- self.test_plc.server.AddPersonToSlice(auth, test_user.name(), slice_name)
+ self.test_plc.apiserver.AddPersonToSlice(auth, test_user.name(), slice_name)
+ # add initscript code or name as appropriate
+ if self.slice_spec.has_key('initscriptcode'):
+ iscode=self.slice_spec['initscriptcode']
+ utils.header("Adding initscript code %s in %s"%(iscode,slice_name))
+ self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'initscript_code',iscode)
+ elif self.slice_spec.has_key('initscriptname'):
+ isname=self.slice_spec['initscriptname']
+ utils.header("Adding initscript name %s in %s"%(isname,slice_name))
+ self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'initscript',isname)
+ if self.slice_spec.has_key ('vref'):
+ vref_value=self.slice_spec['vref']
+ self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'vref',vref_value)
+
+ self.add_nodes()
+ # just add the nodes and handle tags
+ def add_nodes (self):
+ auth = self.owner_auth()
+ slice_name = self.slice_name()
hostnames=[]
for nodename in self.slice_spec['nodenames']:
node_spec=self.test_site.locate_node(nodename)
test_node=TestNode(self,self.test_site,node_spec)
hostnames += [test_node.name()]
utils.header("Adding %r in %s"%(hostnames,slice_name))
- self.test_plc.server.AddSliceToNodes(auth, slice_name, hostnames)
- if self.slice_spec.has_key('initscriptname'):
- isname=self.slice_spec['initscriptname']
- utils.header("Adding initscript %s in %s"%(isname,slice_name))
- self.test_plc.server.AddSliceAttribute(self.test_plc.auth_root(), slice_name,'initscript',isname)
+ self.test_plc.apiserver.AddSliceToNodes(auth, slice_name, hostnames)
- def clear_known_hosts (self):
- utils.header("Messing with known_hosts for slice %s"%self.name())
- # scan nodenames
- for nodename in self.slice_spec['nodenames']:
- self.test_plc.run_in_guest("sed -i -e /^%s/d /root/.ssh/known_hosts"%nodename)
- #scan public key and update the known_host file in the root image
- self.test_plc.scan_publicKeys(self.slice_spec['nodenames'])
-
- def locate_key(self,slice_spec):
+ # trash the slice altogether
+ def delete_slice(self):
+ auth = self.owner_auth()
+ slice_name = self.slice_name()
+ utils.header("Deleting slice %s"%slice_name)
+ self.test_plc.apiserver.DeleteSlice(auth,slice_name)
+
+ # keep the slice alive and just delete nodes
+ def delete_nodes (self):
+ auth = self.owner_auth()
+ slice_name = self.slice_name()
+ print 'retrieving slice %s'%slice_name
+ slice=self.test_plc.apiserver.GetSlices(auth,slice_name)[0]
+ node_ids=slice['node_ids']
+ utils.header ("Deleting %d nodes from slice %s"%\
+ (len(node_ids),slice_name))
+ self.test_plc.apiserver.DeleteSliceFromNodes (auth,slice_name, node_ids)
+
+ def locate_key(self):
# locate the first avail. key
found=False
- for username in slice_spec['usernames']:
+ for username in self.slice_spec['usernames']:
user_spec=self.test_site.locate_user(username)
- for keyname in user_spec['keynames']:
- key_spec=self.test_plc.locate_key(keyname)
+ for key_name in user_spec['key_names']:
+ key_spec=self.test_plc.locate_key(key_name)
test_key=TestKey(self.test_plc,key_spec)
publickey=test_key.publicpath()
privatekey=test_key.privatepath()
- keyname=test_key.name()
if os.path.isfile(publickey) and os.path.isfile(privatekey):
found=True
- #create dir in plc root image
- remote_privatekey="/root/keys/%s.rsa"%keyname
- if not os.path.isfile(remote_privatekey):
- self.test_plc.run_in_guest("mkdir /root/keys" )
- self.test_plc.copy_in_guest(privatekey,remote_privatekey,True)
-
- return (found,remote_privatekey)
-
- def do_check_slice(self,options):
- bool=True
- self.clear_known_hosts()
- start_time = datetime.datetime.now()
- dead_time=start_time + datetime.timedelta(minutes=15)
- slice_spec = self.slice_spec
- for hostname in slice_spec['nodenames']:
- (site_spec,node_spec) = self.test_plc.locate_node(hostname)
- if TestNode.is_real_model(node_spec['node_fields']['model']):
- utils.header("WARNING : Checking slice %s on real node %s skipped"%(self.name(),hostname))
- continue
- (found,remote_privatekey)=self.locate_key(slice_spec)
- if not found :
- raise Exception,"Cannot find a valid key for slice %s"%self.name()
- break
- while (bool):
- utils.header('trying to connect to %s@%s'%(self.name(),hostname))
- Date=self.test_plc.run_in_guest('ssh -i %s %s@%s date'%(remote_privatekey,self.name(),hostname))
- if (Date==0):
- break
- elif ( start_time <= dead_time ) :
- start_time=datetime.datetime.now()+ datetime.timedelta(seconds=45)
- time.sleep(45)
- elif (options.forcenm):
- utils.header('%s@%s : restarting nm in case is in option on %s'%(self.name(),hostname,hostname))
- access=self.test_plc.run_in_guest('ssh -i /etc/planetlab/root_ssh_key.rsa root@%s service nm restart'%hostname)
- if (access==0):
- utils.header('nm restarted on %s'%hostname)
- else:
- utils.header('%s@%s : Failed to restart the NM on %s'%(self.name(),hostname,hostname))
- utils.header('Try to reconnect to %s@%s after the tentative of restarting NM'%(self.name(),hostname))
- connect=self.test_plc.run_in_guest('ssh -i %s %s@%s date'%(remote_privatekey,self.name(),hostname))
- if (not connect):
- utils.header('connected to %s@%s -->'%(self.name(),hostname))
- break
- else:
- utils.header('giving up with to %s@%s -->'%(self.name(),hostname))
- bool=False
- break
- else:
- bool=False
- break
- return bool
+ return (found,privatekey)
+
+
+ # trying to reach the slice through ssh - expected to answer
+ def ssh_slice (self, options, *args, **kwds):
+ "tries to ssh-enter the slice with the user key, to ensure slice creation"
+ return self.do_ssh_slice(options, expected=True, *args, **kwds)
+
+ # when we expect the slice is not reachable
+ def ssh_slice_off (self, options, *args, **kwds):
+ "tries to ssh-enter the slice with the user key, expecting it to be unreachable"
+ return self.do_ssh_slice(options, expected=False, *args, **kwds)
-
+ def do_ssh_slice(self,options,expected=True,timeout_minutes=20,silent_minutes=10,period=15):
+ timeout = datetime.datetime.now()+datetime.timedelta(minutes=timeout_minutes)
+ graceout = datetime.datetime.now()+datetime.timedelta(minutes=silent_minutes)
+ # locate a key
+ (found,remote_privatekey)=self.locate_key()
+ if not found :
+ utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
+ return False
+ # convert nodenames to real hostnames
+ slice_spec = self.slice_spec
+ restarted=[]
+ tocheck=[]
+ for nodename in slice_spec['nodenames']:
+ (site_spec,node_spec) = self.test_plc.locate_node(nodename)
+ tocheck.append(node_spec['node_fields']['hostname'])
+
+ if expected: msg="ssh slice access enabled"
+ else: msg="ssh slice access disabled"
+
+ utils.header("checking for %s -- slice %s on nodes %r"%(msg,self.name(),tocheck))
+ utils.header("max timeout is %d minutes, silent for %d minutes (period is %s)"%\
+ (timeout_minutes,silent_minutes,period))
+ while tocheck:
+ for hostname in tocheck:
+ (site_spec,node_spec) = self.test_plc.locate_hostname(hostname)
+ date_test_ssh = TestSsh (hostname,key=remote_privatekey,username=self.name())
+ command = date_test_ssh.actual_command("echo hostname ; hostname; echo id; id; echo uname -a ; uname -a")
+ date = utils.system (command, silent=datetime.datetime.now() < graceout)
+ if getattr(options,'dry_run',None): return True
+ if expected: success = date==0
+ else: success = date!=0
+
+ if success:
+ utils.header("OK %s - slice=%s@%s"%(msg,self.name(),hostname))
+ tocheck.remove(hostname)
+ else:
+ # real nodes will have been checked once in case they're up - skip if not
+ if TestNode.is_real_model(node_spec['node_fields']['model']):
+ utils.header("WARNING : Checking slice %s on real node %s skipped"%(self.name(),hostname))
+ tocheck.remove(hostname)
+ # nm restart after first failure, if requested
+ if options.forcenm and hostname not in restarted:
+ utils.header ("forcenm option : restarting nm on %s"%hostname)
+ restart_test_ssh=TestSsh(hostname,key="keys/key_admin.rsa")
+ access=restart_test_ssh.actual_command('service nm restart')
+ if (access==0):
+ utils.header('nm restarted on %s'%hostname)
+ else:
+ utils.header('Failed to restart nm on %s'%(hostname))
+ restarted.append(hostname)
+ if not tocheck:
+ # we're done
+ return True
+ if datetime.datetime.now() > timeout:
+ for hostname in tocheck:
+ utils.header("FAILED %s slice=%s@%s"%(msg,self.name(),hostname))
+ return False
+ # wait for the period
+ time.sleep (period)
+ # for an empty slice
+ return True