+# Thierry Parmentelat <thierry.parmentelat@inria.fr>
+# Copyright (C) 2010 INRIA
+#
import utils
import os, os.path
-import datetime
+from datetime import datetime, timedelta
import time
from TestKey import TestKey
from TestUser import TestUser
-from TestNode import TestNode
+from TestNode import TestNode, CompleterTaskNodeSsh
+from TestSsh import TestSsh
+from Completer import Completer, CompleterTask
+
+class CompleterTaskSliceSsh (CompleterTask):
+
+ def __init__ (self, test_plc, hostname, slicename, private_key,command, expected, dry_run):
+ self.test_plc=test_plc
+ self.hostname=hostname
+ self.slicename=slicename
+ self.private_key=private_key
+ self.command=command
+ self.dry_run=dry_run
+ self.expected=expected
+ def run (self, silent):
+ (site_spec,node_spec) = self.test_plc.locate_hostname(self.hostname)
+ test_ssh = TestSsh (self.hostname,key=self.private_key,username=self.slicename)
+ full_command = test_ssh.actual_command(self.command)
+ retcod = utils.system (full_command, silent=silent)
+ if self.dry_run: return True
+ if self.expected: return retcod==0
+ else: return retcod!=0
+ def failure_epilogue (self):
+ if self.expected:
+ print "Could not ssh into sliver %s@%s"%(self.slicename,self.hostname)
+ else:
+ print "Could still ssh into sliver%s@%s (that was expected to be down)"%(self.slicename,self.hostname)
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 'omf-friendly' in self.slice_spec:
+ utils.header("Making slice %s OMF-friendly"%slice_name)
+ self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'vref','omf')
+ self.test_plc.apiserver.AddSliceTag(self.test_plc.auth_root(), slice_name,'omf_control','yes')
+# setting vref directly like this was useful for multi-arch tests long ago - see wifilab
+# however this should rather use other tags by now, so we drop this for now
+# 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)
+ # epilogue
+ self.add_nodes()
+
+ def check_vsys_defaults (self, options, *args, **kwds):
+ "check vsys tags match PLC_VSYS_DEFAULTS"
+ auth = self.owner_auth()
+ slice_fields = self.slice_spec['slice_fields']
+ slice_name = slice_fields['name']
+ vsys_tags = self.test_plc.apiserver.GetSliceTags (auth,{'tagname':'vsys','name':slice_name})
+ values=[ st['value'] for st in vsys_tags ]
+ expected=self.test_plc.plc_spec['expected_vsys_tags']
+ result = set(values) == set(expected)
+ if not result:
+ print 'Check vsys defaults with slice %s'%slice_name
+ print 'Expected %s'%expected
+ print 'Got %s'%values
+ return result
+ # 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)
+ test_node=TestNode(self.test_plc,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)
-
-
- def delete_known_hosts(self):
- utils.header("Messing with known_hosts (cleaning hostnames starting with 'test[0-9]')")
- sed_command="sed -i -e '/^test[0-9]/d' /root/.ssh/known_hosts"
- utils.system(sed_command)
-
- ###the logic is quit wrong, must be rewritten
- def do_check_slices(self):
- utils.header("wainting for the node to fully boot")
- time.sleep(120)
- bool=bool1=True
- secondes=15
- self.delete_known_hosts()
- start_time = datetime.datetime.now()
- dead_time=start_time + datetime.timedelta(minutes=5)##adding 3minutes
- for slice_spec in self.test_plc.plc_spec['slices']:
- for hostname in slice_spec['nodenames']:
- slicename=slice_spec['slice_fields']['name']
- # locate the first avail. key
- found=False
- for username in 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)
- publickey=TestKey(self.test_plc,key_spec).publicpath()
- privatekey=TestKey(self.test_plc,key_spec).privatepath()
- if os.path.isfile(publickey) and os.path.isfile(privatekey):
- found=True
- break
- if not found:
- raise Exception,"Cannot find a valid key for slice %s"%slicename
-
- while(bool):
- utils.header('restarting nm on %s'%hostname)
- access=utils.system('ssh -i /etc/planetlab/root_ssh_key.rsa root@%s service nm restart'%hostname )
- if (access==0):
- utils.header('nm restarted on %s'%hostname)
- while(bool1):
- utils.header('trying to connect to %s@%s'%(slicename,hostname))
- Date=utils.system('ssh -i %s %s@%s date'%(privatekey,slicename,hostname))
- if (Date==0):
- break
- elif ( start_time <= dead_time ) :
- start_time=datetime.datetime.now()+ datetime.timedelta(seconds=30)
- time.sleep(secondes)
- else:
- bool1=False
- if(bool1):
- utils.header('connected to %s@%s -->'%(slicename,hostname))
- else:
- utils.header('%s@%s : last chance - restarting nm on %s'%(slicename,hostname,hostname))
- access=utils.system('ssh -i /etc/planetlab/root_ssh_key.rsa root@%s service nm restart'%hostname)
- time.sleep(120)##temoprally adding some delay due to the network slowness
- if (access==0):
- utils.header('trying to connect (2) to %s@%s'%(slicename,hostname))
- Date=utils.system('ssh -i %s %s@%s date'%(privatekey,slicename,hostname))
- if (Date==0):
- utils.header('connected to %s@%s -->'%(slicename,hostname))
- else:
- utils.header('giving up with to %s@%s -->'%(slicename,hostname))
- return False
- else :
- utils.header('Last chance failed on %s@%s -->'%(slicename,hostname))
- break
- elif ( start_time <= dead_time ) :
- start_time=datetime.datetime.now()+ datetime.timedelta(minutes=1)
- time.sleep(secondes)
- else:
- bool=False
-
- return bool
+ self.test_plc.apiserver.AddSliceToNodes(auth, slice_name, hostnames)
+ # 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_private_key(self):
+ key_names=[]
+ for username in self.slice_spec['usernames']:
+ user_spec=self.test_site.locate_user(username)
+ key_names += user_spec['key_names']
+ return self.test_plc.locate_private_key_from_key_names (key_names)
+
+ # for TestPlc.slice_mapper__tasks
+ # i.e. returns a list of CompleterTasks that are merged into the same Completer run
+ # to avoid waiting for as many slices as the Plc has
+ # also the __doc__ lines are used for the TestPlc methods, e.g. just 'ssh_slice'
+ def ssh_slice__tasks (self, options, *args, **kwds):
+ "tries to ssh-enter the slice with the user key, to check for slice creation"
+ return self.ssh_tasks(options, expected=True, *args, **kwds)
+
+ # when we expect the slice is not reachable
+ def ssh_slice_off__tasks (self, options, *args, **kwds):
+ "tries to ssh-enter the slice with the user key, expecting it to be unreachable"
+ return self.ssh_tasks(options, expected=False, *args, **kwds)
+
+ def ssh_tasks(self,options, expected=True, command=None):
+# timeout_minutes=20,silent_minutes=10,period_seconds=15):
+# timeout = timedelta(minutes=timeout_minutes)
+# graceout = timedelta(minutes=silent_minutes)
+# period = timedelta(seconds=period_seconds)
+ if not command:
+ command="echo hostname ; hostname; echo id; id; echo uname -a ; uname -a"
+ # locate a key
+ private_key=self.locate_private_key()
+ if not private_key :
+ utils.header("WARNING: Cannot find a valid key for slice %s"%self.name())
+ return False
+
+ # convert nodenames to real hostnames
+ if expected: msg="ssh slice access enabled"
+ else: msg="ssh slice access disabled"
+ utils.header("checking for %s -- slice %s"%(msg,self.name()))
+
+ tasks=[]
+ slicename=self.name()
+ dry_run = getattr(options,'dry_run',False)
+ for nodename in self.slice_spec['nodenames']:
+ (site_spec,node_spec) = self.test_plc.locate_node(nodename)
+ tasks.append( CompleterTaskSliceSsh(self.test_plc,node_spec['node_fields']['hostname'],
+ slicename,private_key,command,expected,dry_run))
+ return tasks
+# return Completer (tasks).run (timeout, graceout, period)
+
+ def ssh_slice_basics (self, options, *args, **kwds):
+ "the slice is expected to be UP and we just check a few simple sanity commands, including 'ps' to check for /proc"
+ overall=True
+ if not self.do_ssh_slice_once(options,expected=True, command='true'): overall=False
+ if not self.do_ssh_slice_once(options,expected=False, command='false'): overall=False
+ if not self.do_ssh_slice_once(options,expected=False, command='someimprobablecommandname'): overall=False
+ if not self.do_ssh_slice_once(options,expected=True, command='ps'): overall=False
+ if not self.do_ssh_slice_once(options,expected=False, command='ls /vservers'): overall=False
+ return overall
+
+ # pick just one nodename and runs the ssh command once
+ def do_ssh_slice_once(self,options,command,expected):
+ # locate a key
+ private_key=self.locate_private_key()
+ if not private_key :
+ 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
+ nodename=slice_spec['nodenames'][0]
+ (site_spec,node_spec) = self.test_plc.locate_node(nodename)
+ hostname=node_spec['node_fields']['hostname']
+
+ if expected: msg="%s to return TRUE from ssh"%command
+ else: msg="%s to return FALSE from ssh"%command
+
+ utils.header("checking %s -- slice %s on node %s"%(msg,self.name(),hostname))
+ (site_spec,node_spec) = self.test_plc.locate_hostname(hostname)
+ test_ssh = TestSsh (hostname,key=private_key,username=self.name())
+ full_command = test_ssh.actual_command(command)
+ retcod = utils.system (full_command,silent=True)
+ if getattr(options,'dry_run',None): return True
+ if expected: success = retcod==0
+ else: success = retcod!=0
+ if not success: utils.header ("WRONG RESULT for %s"%msg)
+ return success
+
+ # for TestPlc.slice_mapper__tasks
+ # check that /vservers/<> is present/deleted
+ def slice_fs_present__tasks (self, options):
+ "checks that /vservers/<slicename> exists on the filesystem"
+ return self.check_rootfs_tasks(options,expected=True)
+ def slice_fs_deleted__tasks (self, options):
+ "checks that /vservers/<slicename> has been properly wiped off"
+ return self.check_rootfs_tasks (options,expected=False)
+
+ def check_rootfs_tasks (self, options, expected):
+ # use constant admin key
+ local_key = "keys/key_admin.rsa"
+ node_infos = self.test_plc.all_node_infos()
+ rootfs="/vservers/%s"%self.name()
+ class CompleterTaskRootfs (CompleterTaskNodeSsh):
+ def __init__ (self, nodename, qemuname):
+ CompleterTaskNodeSsh.__init__(self,nodename, qemuname, local_key, expected=expected,
+ command="ls -d %s"%rootfs)
+ def failure_epilogue (self):
+ if expected:
+ print "Could not stat %s - was expected to be present"%rootfs
+ else:
+ print "Sliver rootfs %s still present - this is unexpected"%rootfs
+ utils.system(self.test_ssh.actual_command("ls -l %s; du -hs %s"%(rootfs,rootfs),dry_run=self.dry_run))
+ return [ CompleterTaskRootfs (nodename, qemuname) for (nodename,qemuname) in node_infos ]