+ # trash the slice altogether
+ def delete_slice(self):
+ auth = self.owner_auth()
+ slice_name = self.slice_name()
+ utils.header("Deleting slice {}".format(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 {}'.format(slice_name))
+ slice=self.test_plc.apiserver.GetSlices(auth, slice_name)[0]
+ node_ids=slice['node_ids']
+ utils.header ("Deleting {} nodes from slice {}"\
+ .format(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 {}".format(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 {} -- slice {}".format(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
+
+ 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 {}".format(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="{} to return TRUE from ssh".format(command)
+ else:
+ msg="{} to return FALSE from ssh".format(command)
+
+ utils.header("checking {} -- slice {} on node {}".format(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, timeout=10)
+ 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 {}".format(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/{}".format(self.name())
+ class CompleterTaskRootfs (CompleterTaskNodeSsh):
+ def __init__ (self, nodename, qemuname):
+ CompleterTaskNodeSsh.__init__(self, nodename, qemuname, local_key, expected=expected,
+ command="ls -d {}".format(rootfs))
+ def failure_epilogue (self):
+ if expected:
+ print("Could not stat {} - was expected to be present".format(rootfs))
+ else:
+ print("Sliver rootfs {} still present - this is unexpected".format(rootfs))
+ utils.system(self.test_ssh.actual_command("ls -l {rootfs}; du -hs {rootfs}".format(**locals()),
+ dry_run=self.dry_run, timeout=20))
+ return [ CompleterTaskRootfs (nodename, qemuname) for (nodename,qemuname) in node_infos ]