from TestKey import TestKey
from TestSlice import TestSlice
+# inserts a backslash before each occurence of the following chars
+# \ " ' < > & | ; ( ) $ * ~ @
+def backslash_shell_specials (command):
+ result=''
+ for char in command:
+ if char in "\\\"'<>&|;()$*~@":
+ result +='\\'+char
+ else:
+ result +=char
+ return result
+
# step methods must take (self, options) and return a boolean
class TestPlc:
def connect (self):
pass
- # build the full command so command gets run in the chroot/vserver
- def run_command(self,command):
+ # command gets run in the chroot/vserver
+ def host_to_guest(self,command):
if self.vserver:
return "vserver %s exec %s"%(self.vservername,command)
else:
- return "chroot /plc/root sh -c \\\"%s\\\""%command
+ return "chroot /plc/root %s"%backslash_shell_specials(command)
- def ssh_command(self,command):
+ # command gets run on the right box
+ def to_host(self,command):
if self.is_local():
return command
else:
- return "ssh %s sh -c '\"%s\"'"%(self.plc_spec['hostname'],command)
+ return "ssh %s %s"%(self.plc_spec['hostname'],backslash_shell_specials(command))
def full_command(self,command):
- return self.ssh_command(self.run_command(command))
+ return self.to_host(self.host_to_guest(command))
def run_in_guest (self,command):
return utils.system(self.full_command(command))
def run_in_host (self,command):
- return utils.system(self.ssh_command(command))
+ return utils.system(self.to_host(command))
# xxx quick n dirty
def run_in_guest_piped (self,local,remote):
return utils.system(local+" | "+self.full_command(remote))
+ # copy a file to the myplc root image - pass in_data=True if the file must go in /plc/data
+ def copy_in_guest (self, localfile, remotefile, in_data=False):
+ if in_data:
+ chroot_dest="/plc/data"
+ else:
+ chroot_dest="/plc/root"
+ if self.is_local():
+ if not self.vserver:
+ utils.system("cp %s %s/%s"%(localfile,chroot_dest,remotefile))
+ else:
+ utils.system("cp %s /vservers/%s/%s"%(localfile,self.vservername,remotefile))
+ else:
+ if not self.vserver:
+ utils.system("scp %s %s:%s/%s"%(localfile,self.plc_spec['hostname'],chroot_dest,remotefile))
+ else:
+ utils.system("scp %s %s@/vservers/%s/%s"%(localfile,self.plc_spec['hostname'],self.vservername,remotefile))
+
def auth_root (self):
return {'Username':self.plc_spec['PLC_ROOT_USER'],
'AuthMethod':'password',
return site
raise Exception,"Cannot locate site %s"%sitename
+ def locate_node (self,nodename):
+ for site in self.plc_spec['sites']:
+ for node in site['nodes']:
+ if node['node_fields']['hostname'] == nodename:
+ return (site,node)
+ raise Exception,"Cannot locate node %s"%nodename
+
def locate_key (self,keyname):
for key in self.plc_spec['keys']:
if key['name'] == keyname:
return key
raise Exception,"Cannot locate key %s"%keyname
-
- def kill_all_vmwares(self):
- utils.header('Killing any running vmware or vmplayer instance')
- utils.system('pgrep vmware | xargs -r kill')
- utils.system('pgrep vmplayer | xargs -r kill ')
- utils.system('pgrep vmware | xargs -r kill -9')
- utils.system('pgrep vmplayer | xargs -r kill -9')
+ #this to catch up all different hostboxes used in this plc
+ def locate_hostBoxes(self,site_spec):
+ #Get The first host box to avoid returning a long list with the same host box
+ #in case only one is used for all the nodes
+ HostBoxes=[site_spec['nodes'][0]['host_box']]
+ for node_spec in site_spec['nodes']:
+ if node_spec['host_box']!= HostBoxes[0]:
+ HostBoxes.append( node_spec['host_box'])
+
+ return HostBoxes
+
def kill_all_qemus(self):
for site_spec in self.plc_spec['sites']:
test_site = TestSite (self,site_spec)
- for node_spec in site_spec['nodes']:
- TestNode (self,test_site,node_spec).stop_qemu()
-
- def clear_ssh_config (self):
- # using ssh -o "BatchMode yes" is too tricky due to quoting - let's use the config
- utils.header("Setting BatchMode and StrictHostKeyChecking in ssh config")
- self.run_in_guest("sed -i -e '/BatchMode/d' /root/.ssh/config 2> /dev/null")
- self.run_in_guest_piped("echo BatchMode yes", "cat >> /root/.ssh/config")
- self.run_in_guest("sed -i -e '/StrictHostKeyChecking/d' /root/.ssh/config 2> /dev/null")
- self.run_in_guest_piped("echo StrictHostKeyChecking no", "cat >> /root/.ssh/config")
+ hostboxes_list=self.locate_hostBoxes(site_spec)
+ if (hostboxes_list):
+ for node_spec in site_spec['nodes']:
+ TestNode(self,test_site,node_spec).stop_qemu(node_spec)
+ else:
+ utils.header("No emulated node running on this PLC config ignore the kill() step")
+
+ def clear_ssh_config (self,options):
+ # install local ssh_config file as root's .ssh/config - ssh should be quiet
+ # dir might need creation first
+ self.run_in_guest("mkdir /root/.ssh")
+ self.run_in_guest("chmod 700 /root/.ssh")
+ # this does not work - > redirection somehow makes it until an argument to cat
+ #self.run_in_guest_piped("cat ssh_config","cat > /root/.ssh/config")
+ self.copy_in_guest("ssh_config","/root/.ssh/config",True)
+ return True
#################### step methods
##### Clean up the /plc directory
self.run_in_host('rm -rf /plc/data')
##### stop any running vservers
- self.run_in_host('for vserver in $(cd /vservers ; ls) ; do vserver $vserver stop ; done')
+ self.run_in_host('for vserver in $(ls /vservers/* | sed -e s,/vservers/,,) ; do vserver $vserver stop ; done')
return True
def uninstall_vserver(self,options):
self.server.AddNodeToNodeGroup(auth,node,nodegroupname)
return True
- def check_nodes(self,options):
- time.sleep(10)#Wait for the qemu to mount. Only matter of display
- status=True
- start_time = datetime.datetime.now()
- dead_time=datetime.datetime.now()+ datetime.timedelta(minutes=5)
- booted_nodes=[]
+ def all_hostnames (self) :
+ hostnames = []
for site_spec in self.plc_spec['sites']:
- test_site = TestSite (self,site_spec)
- utils.header("Starting checking for nodes in site %s"%self.name())
- notfullybooted_nodes=[ node_spec['node_fields']['hostname'] for node_spec in site_spec['nodes'] ]
- nbr_nodes= len(notfullybooted_nodes)
- while (status):
- for node_spec in site_spec['nodes']:
- hostname=node_spec['node_fields']['hostname']
- if (hostname in notfullybooted_nodes): #to avoid requesting already booted node
- test_node=TestNode (self,test_site,node_spec)
- host_box=test_node.host_box()
- node_status=test_node.get_node_status(hostname)
- if (node_status):
- booted_nodes.append(hostname)
- del notfullybooted_nodes[notfullybooted_nodes.index(hostname)]
- if ( not notfullybooted_nodes): break
- elif ( start_time <= dead_time ) :
- start_time=datetime.datetime.now()+ datetime.timedelta(minutes=2)
- time.sleep(15)
- else: status=False
- for nodeup in booted_nodes : utils.header("Node %s correctly installed and booted"%nodeup)
- for nodedown in notfullybooted_nodes : utils.header("Node %s not fully booted"%nodedown)
- return status
+ hostnames += [ node_spec['node_fields']['hostname'] \
+ for node_spec in site_spec['nodes'] ]
+ return hostnames
+
+ # gracetime : during the first <gracetime> minutes nothing gets printed
+ def do_check_nodesStatus (self, minutes, gracetime=2):
+ # compute timeout
+ timeout = datetime.datetime.now()+datetime.timedelta(minutes=minutes)
+ graceout = datetime.datetime.now()+datetime.timedelta(minutes=gracetime)
+ # the nodes that haven't checked yet - start with a full list and shrink over time
+ tocheck = self.all_hostnames()
+ utils.header("checking nodes %r"%tocheck)
+ # create a dict hostname -> status
+ status = dict ( [ (hostname,'undef') for hostname in tocheck ] )
+ while tocheck:
+ # get their status
+ tocheck_status=self.server.GetNodes(self.auth_root(), tocheck, ['hostname','boot_state' ] )
+ # update status
+ for array in tocheck_status:
+ hostname=array['hostname']
+ boot_state=array['boot_state']
+ if boot_state == 'boot':
+ utils.header ("%s has reached the 'boot' state"%hostname)
+ else:
+ # if it's a real node, never mind
+ (site_spec,node_spec)=self.locate_node(hostname)
+ if TestNode.is_real_model(node_spec['node_fields']['model']):
+ utils.header("WARNING - Real node %s in %s - ignored"%(hostname,boot_state))
+ # let's cheat
+ boot_state = 'boot'
+ if datetime.datetime.now() > graceout:
+ utils.header ("%s still in '%s' state"%(hostname,boot_state))
+ graceout=datetime.datetime.now()+datetime.timedelta(1)
+ status[hostname] = boot_state
+ # refresh tocheck
+ tocheck = [ hostname for (hostname,boot_state) in status.iteritems() if boot_state != 'boot' ]
+ if not tocheck:
+ return True
+ if datetime.datetime.now() > timeout:
+ for hostname in tocheck:
+ utils.header("FAILURE due to %s in '%s' state"%(hostname,status[hostname]))
+ return False
+ # otherwise, sleep for a while
+ time.sleep(15)
+ # only useful in empty plcs
+ return True
+
+ def check_nodesStatus(self,options):
+ return self.do_check_nodesStatus(minutes=5)
+
+ #to scan and store the nodes's public keys and avoid to ask for confirmation when ssh
+ def scan_publicKeys(self,hostnames):
+ try:
+ temp_knownhosts="/root/known_hosts"
+ remote_knownhosts="/root/.ssh/known_hosts"
+ self.run_in_host("touch %s"%temp_knownhosts )
+ for hostname in hostnames:
+ utils.header("Scan Public %s key and store it in the known_host file(under the root image) "%hostname)
+ scan=self.run_in_host('ssh-keyscan -t rsa %s >> %s '%(hostname,temp_knownhosts))
+ #Store the public keys in the right root image
+ self.copy_in_guest(temp_knownhosts,remote_knownhosts,True)
+ #clean the temp keys file used
+ self.run_in_host('rm -f %s '%temp_knownhosts )
+ except Exception, err:
+ print err
+
+ def do_check_nodesSsh(self,minutes):
+ # compute timeout
+ timeout = datetime.datetime.now()+datetime.timedelta(minutes=minutes)
+ #graceout = datetime.datetime.now()+datetime.timedelta(minutes=gracetime)
+ tocheck = self.all_hostnames()
+ self.scan_publicKeys(tocheck)
+ utils.header("checking Connectivity on nodes %r"%tocheck)
+ while tocheck:
+ for hostname in tocheck:
+ # try to ssh in nodes
+ access=self.run_in_guest('ssh -i /etc/planetlab/root_ssh_key.rsa root@%s date'%hostname )
+ if (not access):
+ utils.header('The node %s is sshable -->'%hostname)
+ # refresh tocheck
+ tocheck.remove(hostname)
+ else:
+ (site_spec,node_spec)=self.locate_node(hostname)
+ if TestNode.is_real_model(node_spec['node_fields']['model']):
+ utils.header ("WARNING : check ssh access into real node %s - skipped"%hostname)
+ tocheck.remove(hostname)
+ if not tocheck:
+ return True
+ if datetime.datetime.now() > timeout:
+ for hostname in tocheck:
+ utils.header("FAILURE to ssh into %s"%hostname)
+ return False
+ # otherwise, sleep for a while
+ time.sleep(15)
+ # only useful in empty plcs
+ return True
+
+ def check_nodesConnectivity(self, options):
+ return self.do_check_nodesSsh(minutes=2)
+
+ def standby(self,options):
+ #Method for waiting a while when nodes are booting and being sshable,giving time to NM to be up
+ utils.header('Entering in StanbdBy mode for 10min at %s'%datetime.datetime.now())
+ time.sleep(600)
+ utils.header('Exist StandBy mode at %s'%datetime.datetime.now())
+ return True
def bootcd (self, options):
for site_spec in self.plc_spec['sites']:
site_spec = self.locate_site (slice_spec['sitename'])
test_site = TestSite(self,site_spec)
test_slice=TestSlice(self,test_site,slice_spec)
- status=test_slice.do_check_slices()
+ status=test_slice.do_check_slice(options)
return status
def start_nodes (self, options):
- self.kill_all_vmwares()
self.kill_all_qemus()
- utils.header("Starting vmware nodes")
+ utils.header("Starting nodes")
for site_spec in self.plc_spec['sites']:
TestSite(self,site_spec).start_nodes (options)
return True
def stop_nodes (self, options):
- self.kill_all_vmwares ()
self.kill_all_qemus()
return True