X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=system%2FTestSlice.py;h=f5049d3b471a8b90ed65975cd95a49a2ff2f13e9;hb=55177a1292ca841809a3194015d32f76f1f0420c;hp=02d6caa9e1feb7fa28f021c9c491b81319aa7925;hpb=eb4d7e9f9e7f77d6f2e49aab70dd715a43708230;p=tests.git diff --git a/system/TestSlice.py b/system/TestSlice.py index 02d6caa..f5049d3 100644 --- a/system/TestSlice.py +++ b/system/TestSlice.py @@ -1,12 +1,40 @@ +# Thierry Parmentelat +# 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_message (self): + if self.expected: + return "Could not ssh into sliver %s@%s"%(self.slicename,self.hostname) + else: + return "Could still ssh into sliver%s@%s (that was expected to be down)"%(self.slicename,self.hostname) class TestSlice: @@ -24,121 +52,198 @@ class TestSlice: 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 clear_known_hosts (self): -# utils.header("Messing with known_hosts for slice %s"%self.name()) -# hostnames=[] -# # scan nodenames -# for nodename in self.slice_spec['nodenames']: -# (site_spec,node_spec) = self.test_plc.locate_node(nodename) -# hostnames.append(node_spec['node_fields']['hostname']) -# self.test_plc.run_in_guest("sed -i -e /^%s/d /root/.ssh/known_hosts"%node_spec['node_fields']['hostname']) -# #scan public key and update the known_host file in the root image -# self.test_plc.scan_publicKeys(hostnames) + self.test_plc.apiserver.AddSliceToNodes(auth, slice_name, hostnames) - def locate_key(self,slice_spec): - # locate the first avail. key - found=False - for username in slice_spec['usernames']: + # 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) - for keyname in user_spec['keynames']: - key_spec=self.test_plc.locate_key(keyname) - 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 -p /root/keys" ) - self.test_plc.copy_in_guest(privatekey,remote_privatekey,True) - - return (found,remote_privatekey) - - def do_check_slice(self,minutes,options): -# self.clear_known_hosts() - timeout = datetime.datetime.now()+datetime.timedelta(minutes=minutes) + 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 - slice_spec = self.slice_spec - (found,remote_privatekey)=self.locate_key(slice_spec) - if not found : + 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 - restarted=[] - tocheck=[] - for nodename in slice_spec['nodenames']: + 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) - tocheck.append(node_spec['node_fields']['hostname']) - - while tocheck: - for hostname in tocheck: - (site_spec,node_spec) = self.test_plc.locate_host(hostname) - date_test_ssh = TestSsh (hostname,key=remote_privatekey,username=self.name()) - # this can be ran locally as we have the key - utils.header('Trying to enter into slice %s@%s'%(self.name(),hostname)) - date = date_test_ssh.run("date") - if not date: - utils.header("Successfuly entered slice %s on %s"%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="/etc/planetlab/root_ssh_key.rsa") - access=self.test_plc.run_in_guest(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("FAILURE to ssh into %s@%s"%(self.name(),hostname)) - return False - time.sleep (15) - # for an empty slice - return True + 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/ exists on the filesystem" + return self.check_rootfs_tasks(options,expected=True) + def slice_fs_deleted__tasks (self, options): + "checks that /vservers/ 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() + if expected: + failure_message = "Could not stat %s"%rootfs + else: + failure_message = "Sliver rootfs still present in %s"%rootfs + class CompleterTaskRootfs (CompleterTaskNodeSsh): + def __init__ (self, nodename, qemuname): + CompleterTaskNodeSsh.__init__(self,nodename, qemuname, local_key, expected=expected, + message=failure_message, command="ls -d %s"%rootfs) + def failure_epilogue (self): + 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 ]