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gerrit.onosproject.org / OnosSystemTest / 0fc9e565a1b783830a6b3978426feda2a6663a0d / . / TestON / drivers / common / cli / onosclidriver.py
blob: 2bd8480dd7a396865d4665566f3e6ad7a2a60526 [file] [log] [blame]
#!/usr/bin/env python
"""
This driver enters the onos> prompt to issue commands.
Please follow the coding style demonstrated by existing
functions and document properly.
If you are a contributor to the driver, please
list your email here for future contact:
jhall@onlab.us
andrew@onlab.us
shreya@onlab.us
OCT 13 2014
"""
import sys
import pexpect
import re
import json
import types
import time
sys.path.append( "../" )
from drivers.common.clidriver import CLI
class OnosCliDriver( CLI ):
def __init__( self ):
"""
Initialize client
"""
self.name = None
self.home = None
self.handle = None
super( CLI, self ).__init__()
def connect( self, **connectargs ):
"""
Creates ssh handle for ONOS cli.
"""
try:
for key in connectargs:
vars( self )[ key ] = connectargs[ key ]
self.home = "~/onos"
for key in self.options:
if key == "home":
self.home = self.options[ 'home' ]
break
if self.home is None or self.home == "":
self.home = "~/onos"
self.name = self.options[ 'name' ]
self.handle = super( OnosCliDriver, self ).connect(
user_name=self.user_name,
ip_address=self.ip_address,
port=self.port,
pwd=self.pwd,
home=self.home )
self.handle.sendline( "cd " + self.home )
self.handle.expect( "\$" )
if self.handle:
return self.handle
else:
main.log.info( "NO ONOS HANDLE" )
return main.FALSE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def disconnect( self ):
"""
Called when Test is complete to disconnect the ONOS handle.
"""
response = main.TRUE
try:
if self.handle:
i = self.logout()
if i == main.TRUE:
self.handle.sendline( "" )
self.handle.expect( "\$" )
self.handle.sendline( "exit" )
self.handle.expect( "closed" )
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
response = main.FALSE
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
except ValueError:
main.log.exception( "Exception in discconect of " + self.name )
response = main.TRUE
except Exception:
main.log.exception( self.name + ": Connection failed to the host" )
response = main.FALSE
return response
def logout( self ):
"""
Sends 'logout' command to ONOS cli
Returns main.TRUE if exited CLI and
main.FALSE on timeout (not guranteed you are disconnected)
None on TypeError
Exits test on unknown error or pexpect exits unexpectedly
"""
try:
if self.handle:
self.handle.sendline( "" )
i = self.handle.expect( [ "onos>", "\$", pexpect.TIMEOUT ],
timeout=10 )
if i == 0: # In ONOS CLI
self.handle.sendline( "logout" )
self.handle.expect( "\$" )
return main.TRUE
elif i == 1: # not in CLI
return main.TRUE
elif i == 3: # Timeout
return main.FALSE
else:
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": eof exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except ValueError:
main.log.error( self.name +
"ValueError exception in logout method" )
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def setCell( self, cellname ):
"""
Calls 'cell <name>' to set the environment variables on ONOSbench
Before issuing any cli commands, set the environment variable first.
"""
try:
if not cellname:
main.log.error( "Must define cellname" )
main.cleanup()
main.exit()
else:
self.handle.sendline( "cell " + str( cellname ) )
# Expect the cellname in the ONOSCELL variable.
# Note that this variable name is subject to change
# and that this driver will have to change accordingly
self.handle.expect(str(cellname))
handleBefore = self.handle.before
handleAfter = self.handle.after
# Get the rest of the handle
self.handle.sendline("")
self.handle.expect("\$")
handleMore = self.handle.before
main.log.info( "Cell call returned: " + handleBefore +
handleAfter + handleMore )
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": eof exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def startOnosCli( self, ONOSIp, karafTimeout="" ):
"""
karafTimeout is an optional argument. karafTimeout value passed
by user would be used to set the current karaf shell idle timeout.
Note that when ever this property is modified the shell will exit and
the subsequent login would reflect new idle timeout.
Below is an example to start a session with 60 seconds idle timeout
( input value is in milliseconds ):
tValue = "60000"
main.ONOScli1.startOnosCli( ONOSIp, karafTimeout=tValue )
Note: karafTimeout is left as str so that this could be read
and passed to startOnosCli from PARAMS file as str.
"""
try:
self.handle.sendline( "" )
x = self.handle.expect( [
"\$", "onos>" ], timeout=10 )
if x == 1:
main.log.info( "ONOS cli is already running" )
return main.TRUE
# Wait for onos start ( -w ) and enter onos cli
self.handle.sendline( "onos -w " + str( ONOSIp ) )
i = self.handle.expect( [
"onos>",
pexpect.TIMEOUT ], timeout=60 )
if i == 0:
main.log.info( str( ONOSIp ) + " CLI Started successfully" )
if karafTimeout:
self.handle.sendline(
"config:property-set -p org.apache.karaf.shell\
sshIdleTimeout " +
karafTimeout )
self.handle.expect( "\$" )
self.handle.sendline( "onos -w " + str( ONOSIp ) )
self.handle.expect( "onos>" )
return main.TRUE
else:
# If failed, send ctrl+c to process and try again
main.log.info( "Starting CLI failed. Retrying..." )
self.handle.send( "\x03" )
self.handle.sendline( "onos -w " + str( ONOSIp ) )
i = self.handle.expect( [ "onos>", pexpect.TIMEOUT ],
timeout=30 )
if i == 0:
main.log.info( str( ONOSIp ) + " CLI Started " +
"successfully after retry attempt" )
if karafTimeout:
self.handle.sendline(
"config:property-set -p org.apache.karaf.shell\
sshIdleTimeout " +
karafTimeout )
self.handle.expect( "\$" )
self.handle.sendline( "onos -w " + str( ONOSIp ) )
self.handle.expect( "onos>" )
return main.TRUE
else:
main.log.error( "Connection to CLI " +
str( ONOSIp ) + " timeout" )
return main.FALSE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def log( self, cmdStr, level="" ):
"""
log the commands in the onos CLI.
returns main.TRUE on success
returns main.FALSE if Error occurred
Available level: DEBUG, TRACE, INFO, WARN, ERROR
Level defaults to INFO
"""
try:
lvlStr = ""
if level:
lvlStr = "--level=" + level
self.handle.sendline( "" )
self.handle.expect( "onos>" )
self.handle.sendline( "log:log " + lvlStr + " " + cmdStr )
self.handle.expect( "onos>" )
response = self.handle.before
if re.search( "Error", response ):
return main.FALSE
return main.TRUE
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def sendline( self, cmdStr ):
"""
Send a completely user specified string to
the onos> prompt. Use this function if you have
a very specific command to send.
Warning: There are no sanity checking to commands
sent using this method.
"""
try:
logStr = "\"Sending CLI command: '" + cmdStr + "'\""
self.log( logStr )
self.handle.sendline( cmdStr )
i = self.handle.expect( ["onos>", "\$", pexpect.TIMEOUT] )
response = self.handle.before
if i == 2:
self.handle.sendline()
self.handle.expect( "\$" )
response += self.handle.before
print response
try:
print self.handle.after
except:
pass
# TODO: do something with i
main.log.info( "Command '" + str( cmdStr ) + "' sent to "
+ self.name + "." )
# Remove control strings from output
ansiEscape = re.compile( r'\x1b[^m]*m' )
response = ansiEscape.sub( '', response )
# Remove extra return chars that get added
response = re.sub( r"\s\r", "", response )
response = response.strip()
# parse for just the output, remove the cmd from response
output = response.split( cmdStr, 1 )[1]
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
# IMPORTANT NOTE:
# For all cli commands, naming convention should match
# the cli command changing 'a:b' with 'aB'.
# Ex ) onos:topology > onosTopology
# onos:links > onosLinks
# feature:list > featureList
def addNode( self, nodeId, ONOSIp, tcpPort="" ):
"""
Adds a new cluster node by ID and address information.
Required:
* nodeId
* ONOSIp
Optional:
* tcpPort
"""
try:
cmdStr = "add-node " + str( nodeId ) + " " +\
str( ONOSIp ) + " " + str( tcpPort )
handle = self.sendline( cmdStr )
if re.search( "Error", handle ):
main.log.error( "Error in adding node" )
main.log.error( handle )
return main.FALSE
else:
main.log.info( "Node " + str( ONOSIp ) + " added" )
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def removeNode( self, nodeId ):
"""
Removes a cluster by ID
Issues command: 'remove-node [<node-id>]'
Required:
* nodeId
"""
try:
cmdStr = "remove-node " + str( nodeId )
self.sendline( cmdStr )
# TODO: add error checking. Does ONOS give any errors?
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def nodes( self, jsonFormat=True):
"""
List the nodes currently visible
Issues command: 'nodes'
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "nodes -j"
output = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
parsedOutput = ansiEscape.sub( '', output )
return parsedOutput
else:
cmdStr = "nodes"
output = self.sendline( cmdStr )
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def topology( self ):
"""
Definition:
Returns the ouput of topology command.
Return:
topology = current ONOS topology
"""
try:
# either onos:topology or 'topology' will work in CLI
cmdStr = "topology -j"
handle = self.sendline( cmdStr )
main.log.info( "topology -j returned: " + str( handle ) )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def featureInstall( self, featureStr ):
"""
Installs a specified feature
by issuing command: 'onos> feature:install <feature_str>'
"""
try:
cmdStr = "feature:install " + str( featureStr )
self.sendline( cmdStr )
# TODO: Check for possible error responses from karaf
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.log.report( "Failed to install feature" )
main.log.report( "Exiting test" )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.log.report( "Failed to install feature" )
main.log.report( "Exiting test" )
main.cleanup()
main.exit()
def featureUninstall( self, featureStr ):
"""
Uninstalls a specified feature
by issuing command: 'onos> feature:uninstall <feature_str>'
"""
try:
cmdStr = 'feature:list -i | grep "' + featureStr + '"'
handle = self.sendline( cmdStr )
if handle != '':
cmdStr = "feature:uninstall " + str( featureStr )
self.sendline( cmdStr )
# TODO: Check for possible error responses from karaf
else:
main.log.info( "Feature needs to be installed before " +
"uninstalling it" )
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def deviceRemove( self, deviceId ):
"""
Removes particular device from storage
TODO: refactor this function
"""
try:
cmdStr = "device-remove "+str(deviceId)
self.sendline( cmdStr )
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def devices( self, jsonFormat=True ):
"""
Lists all infrastructure devices or switches
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "devices -j"
handle = self.sendline( cmdStr )
"""
handle variable here contains some ANSI escape color code
sequences at the end which are invisible in the print command
output. To make that escape sequence visible, use repr()
function. The repr( handle ) output when printed shows the
ANSI escape sequences. In json.loads( somestring ), this
somestring variable is actually repr( somestring ) and
json.loads would fail with the escape sequence. So we take off
that escape sequence using:
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
"""
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
return handle1
else:
cmdStr = "devices"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def balanceMasters( self ):
"""
This balances the devices across all controllers
by issuing command: 'onos> onos:balance-masters'
If required this could be extended to return devices balanced output.
"""
try:
cmdStr = "onos:balance-masters"
self.sendline( cmdStr )
# TODO: Check for error responses from ONOS
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def links( self, jsonFormat=True ):
"""
Lists all core links
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "links -j"
handle = self.sendline( cmdStr )
"""
handle variable here contains some ANSI escape color code
sequences at the end which are invisible in the print command
output. To make that escape sequence visible, use repr()
function. The repr( handle ) output when printed shows the ANSI
escape sequences. In json.loads( somestring ), this somestring
variable is actually repr( somestring ) and json.loads would
fail with the escape sequence. So we take off that escape
sequence using:
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
"""
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
return handle1
else:
cmdStr = "links"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def ports( self, jsonFormat=True ):
"""
Lists all ports
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "ports -j"
handle = self.sendline( cmdStr )
"""
handle variable here contains some ANSI escape color code
sequences at the end which are invisible in the print command
output. To make that escape sequence visible, use repr()
function. The repr( handle ) output when printed shows the ANSI
escape sequences. In json.loads( somestring ), this somestring
variable is actually repr( somestring ) and json.loads would
fail with the escape sequence. So we take off that escape
sequence using the following commands:
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
"""
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
return handle1
else:
cmdStr = "ports"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def roles( self, jsonFormat=True ):
"""
Lists all devices and the controllers with roles assigned to them
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "roles -j"
handle = self.sendline( cmdStr )
"""
handle variable here contains some ANSI escape color code
sequences at the end which are invisible in the print command
output. To make that escape sequence visible, use repr()
function. The repr( handle ) output when printed shows the ANSI
escape sequences. In json.loads( somestring ), this somestring
variable is actually repr( somestring ) and json.loads would
fail with the escape sequence.
So we take off that escape sequence using the following
commads:
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
"""
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
return handle1
else:
cmdStr = "roles"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getRole( self, deviceId ):
"""
Given the a string containing the json representation of the "roles"
cli command and a partial or whole device id, returns a json object
containing the roles output for the first device whose id contains
"device_id"
Returns:
A dict of the role assignments for the given device or
None if no match
"""
try:
if deviceId is None:
return None
else:
rawRoles = self.roles()
rolesJson = json.loads( rawRoles )
# search json for the device with id then return the device
for device in rolesJson:
# print device
if str( deviceId ) in device[ 'id' ]:
return device
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def rolesNotNull( self ):
"""
Iterates through each device and checks if there is a master assigned
Returns: main.TRUE if each device has a master
main.FALSE any device has no master
"""
try:
rawRoles = self.roles()
rolesJson = json.loads( rawRoles )
# search json for the device with id then return the device
for device in rolesJson:
# print device
if device[ 'master' ] == "none":
main.log.warn( "Device has no master: " + str( device ) )
return main.FALSE
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def paths( self, srcId, dstId ):
"""
Returns string of paths, and the cost.
Issues command: onos:paths <src> <dst>
"""
try:
cmdStr = "onos:paths " + str( srcId ) + " " + str( dstId )
handle = self.sendline( cmdStr )
if re.search( "Error", handle ):
main.log.error( "Error in getting paths" )
return ( handle, "Error" )
else:
path = handle.split( ";" )[ 0 ]
cost = handle.split( ";" )[ 1 ]
return ( path, cost )
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return ( handle, "Error" )
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def hosts( self, jsonFormat=True ):
"""
Lists all discovered hosts
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "hosts -j"
handle = self.sendline( cmdStr )
"""
handle variable here contains some ANSI escape color code
sequences at the end which are invisible in the print command
output. To make that escape sequence visible, use repr()
function. The repr( handle ) output when printed shows the ANSI
escape sequences. In json.loads( somestring ), this somestring
variable is actually repr( somestring ) and json.loads would
fail with the escape sequence. So we take off that escape
sequence using:
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
"""
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
return handle1
else:
cmdStr = "hosts"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getHost( self, mac ):
"""
Return the first host from the hosts api whose 'id' contains 'mac'
Note: mac must be a colon separated mac address, but could be a
partial mac address
Return None if there is no match
"""
try:
if mac is None:
return None
else:
mac = mac
rawHosts = self.hosts()
hostsJson = json.loads( rawHosts )
# search json for the host with mac then return the device
for host in hostsJson:
# print "%s in %s?" % ( mac, host[ 'id' ] )
if not host:
pass
elif mac in host[ 'id' ]:
return host
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getHostsId( self, hostList ):
"""
Obtain list of hosts
Issues command: 'onos> hosts'
Required:
* hostList: List of hosts obtained by Mininet
IMPORTANT:
This function assumes that you started your
topology with the option '--mac'.
Furthermore, it assumes that value of VLAN is '-1'
Description:
Converts mininet hosts ( h1, h2, h3... ) into
ONOS format ( 00:00:00:00:00:01/-1 , ... )
"""
try:
onosHostList = []
for host in hostList:
host = host.replace( "h", "" )
hostHex = hex( int( host ) ).zfill( 12 )
hostHex = str( hostHex ).replace( 'x', '0' )
i = iter( str( hostHex ) )
hostHex = ":".join( a + b for a, b in zip( i, i ) )
hostHex = hostHex + "/-1"
onosHostList.append( hostHex )
return onosHostList
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def addHostIntent( self, hostIdOne, hostIdTwo ):
"""
Required:
* hostIdOne: ONOS host id for host1
* hostIdTwo: ONOS host id for host2
Description:
Adds a host-to-host intent ( bidirectional ) by
specifying the two hosts.
Returns:
A string of the intent id or None on Error
"""
try:
cmdStr = "add-host-intent " + str( hostIdOne ) +\
" " + str( hostIdTwo )
handle = self.sendline( cmdStr )
if re.search( "Error", handle ):
main.log.error( "Error in adding Host intent" )
main.log.debug( "Response from ONOS was: " + repr( handle ) )
return None
else:
main.log.info( "Host intent installed between " +
str( hostIdOne ) + " and " + str( hostIdTwo ) )
match = re.search('id=0x([\da-f]+),', handle)
if match:
return match.group()[3:-1]
else:
main.log.error( "Error, intent ID not found" )
main.log.debug( "Response from ONOS was: " +
repr( handle ) )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def addOpticalIntent( self, ingressDevice, egressDevice ):
"""
Required:
* ingressDevice: device id of ingress device
* egressDevice: device id of egress device
Optional:
TODO: Still needs to be implemented via dev side
Description:
Adds an optical intent by specifying an ingress and egress device
Returns:
A string of the intent id or None on error
"""
try:
cmdStr = "add-optical-intent " + str( ingressDevice ) +\
" " + str( egressDevice )
handle = self.sendline( cmdStr )
# If error, return error message
if re.search( "Error", handle ):
main.log.error( "Error in adding Optical intent" )
return None
else:
main.log.info( "Optical intent installed between " +
str( ingressDevice ) + " and " +
str( egressDevice ) )
match = re.search('id=0x([\da-f]+),', handle)
if match:
return match.group()[3:-1]
else:
main.log.error( "Error, intent ID not found" )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def addPointIntent(
self,
ingressDevice,
egressDevice,
portIngress="",
portEgress="",
ethType="",
ethSrc="",
ethDst="",
bandwidth="",
lambdaAlloc=False,
ipProto="",
ipSrc="",
ipDst="",
tcpSrc="",
tcpDst="" ):
"""
Required:
* ingressDevice: device id of ingress device
* egressDevice: device id of egress device
Optional:
* ethType: specify ethType
* ethSrc: specify ethSrc ( i.e. src mac addr )
* ethDst: specify ethDst ( i.e. dst mac addr )
* bandwidth: specify bandwidth capacity of link
* lambdaAlloc: if True, intent will allocate lambda
for the specified intent
* ipProto: specify ip protocol
* ipSrc: specify ip source address
* ipDst: specify ip destination address
* tcpSrc: specify tcp source port
* tcpDst: specify tcp destination port
Description:
Adds a point-to-point intent ( uni-directional ) by
specifying device id's and optional fields
Returns:
A string of the intent id or None on error
NOTE: This function may change depending on the
options developers provide for point-to-point
intent via cli
"""
try:
# If there are no optional arguments
if not ethType and not ethSrc and not ethDst\
and not bandwidth and not lambdaAlloc \
and not ipProto and not ipSrc and not ipDst \
and not tcpSrc and not tcpDst:
cmd = "add-point-intent"
else:
cmd = "add-point-intent"
if ethType:
cmd += " --ethType " + str( ethType )
if ethSrc:
cmd += " --ethSrc " + str( ethSrc )
if ethDst:
cmd += " --ethDst " + str( ethDst )
if bandwidth:
cmd += " --bandwidth " + str( bandwidth )
if lambdaAlloc:
cmd += " --lambda "
if ipProto:
cmd += " --ipProto " + str( ipProto )
if ipSrc:
cmd += " --ipSrc " + str( ipSrc )
if ipDst:
cmd += " --ipDst " + str( ipDst )
if tcpSrc:
cmd += " --tcpSrc " + str( tcpSrc )
if tcpDst:
cmd += " --tcpDst " + str( tcpDst )
# Check whether the user appended the port
# or provided it as an input
if "/" in ingressDevice:
cmd += " " + str( ingressDevice )
else:
if not portIngress:
main.log.error( "You must specify the ingress port" )
# TODO: perhaps more meaningful return
# Would it make sense to throw an exception and exit
# the test?
return None
cmd += " " + \
str( ingressDevice ) + "/" +\
str( portIngress ) + " "
if "/" in egressDevice:
cmd += " " + str( egressDevice )
else:
if not portEgress:
main.log.error( "You must specify the egress port" )
return None
cmd += " " +\
str( egressDevice ) + "/" +\
str( portEgress )
handle = self.sendline( cmd )
# If error, return error message
if re.search( "Error", handle ):
main.log.error( "Error in adding point-to-point intent" )
return None
else:
# TODO: print out all the options in this message?
main.log.info( "Point-to-point intent installed between " +
str( ingressDevice ) + " and " +
str( egressDevice ) )
match = re.search('id=0x([\da-f]+),', handle)
if match:
return match.group()[3:-1]
else:
main.log.error( "Error, intent ID not found" )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def addMultipointToSinglepointIntent(
self,
ingressDeviceList,
egressDevice,
portIngressList=None,
portEgress="",
ethType="",
ethSrc="",
ethDst="",
bandwidth="",
lambdaAlloc=False,
ipProto="",
ipSrc="",
ipDst="",
tcpSrc="",
tcpDst="",
setEthSrc="",
setEthDst="" ):
"""
Note:
This function assumes the format of all ingress devices
is same. That is, all ingress devices include port numbers
with a "/" or all ingress devices could specify device
ids and port numbers seperately.
Required:
* ingressDeviceList: List of device ids of ingress device
( Atleast 2 ingress devices required in the list )
* egressDevice: device id of egress device
Optional:
* ethType: specify ethType
* ethSrc: specify ethSrc ( i.e. src mac addr )
* ethDst: specify ethDst ( i.e. dst mac addr )
* bandwidth: specify bandwidth capacity of link
* lambdaAlloc: if True, intent will allocate lambda
for the specified intent
* ipProto: specify ip protocol
* ipSrc: specify ip source address
* ipDst: specify ip destination address
* tcpSrc: specify tcp source port
* tcpDst: specify tcp destination port
* setEthSrc: action to Rewrite Source MAC Address
* setEthDst: action to Rewrite Destination MAC Address
Description:
Adds a multipoint-to-singlepoint intent ( uni-directional ) by
specifying device id's and optional fields
Returns:
A string of the intent id or None on error
NOTE: This function may change depending on the
options developers provide for multipoint-to-singlepoint
intent via cli
"""
try:
# If there are no optional arguments
if not ethType and not ethSrc and not ethDst\
and not bandwidth and not lambdaAlloc\
and not ipProto and not ipSrc and not ipDst\
and not tcpSrc and not tcpDst and not setEthSrc\
and not setEthDst:
cmd = "add-multi-to-single-intent"
else:
cmd = "add-multi-to-single-intent"
if ethType:
cmd += " --ethType " + str( ethType )
if ethSrc:
cmd += " --ethSrc " + str( ethSrc )
if ethDst:
cmd += " --ethDst " + str( ethDst )
if bandwidth:
cmd += " --bandwidth " + str( bandwidth )
if lambdaAlloc:
cmd += " --lambda "
if ipProto:
cmd += " --ipProto " + str( ipProto )
if ipSrc:
cmd += " --ipSrc " + str( ipSrc )
if ipDst:
cmd += " --ipDst " + str( ipDst )
if tcpSrc:
cmd += " --tcpSrc " + str( tcpSrc )
if tcpDst:
cmd += " --tcpDst " + str( tcpDst )
if setEthSrc:
cmd += " --setEthSrc " + str( setEthSrc )
if setEthDst:
cmd += " --setEthDst " + str( setEthDst )
# Check whether the user appended the port
# or provided it as an input
if portIngressList is None:
for ingressDevice in ingressDeviceList:
if "/" in ingressDevice:
cmd += " " + str( ingressDevice )
else:
main.log.error( "You must specify " +
"the ingress port" )
# TODO: perhaps more meaningful return
return main.FALSE
else:
if len( ingressDeviceList ) == len( portIngressList ):
for ingressDevice, portIngress in zip( ingressDeviceList, portIngressList ):
cmd += " " + \
str( ingressDevice ) + "/" +\
str( portIngress ) + " "
else:
main.log.error( "Device list and port list does not have the same length" )
return main.FALSE
if "/" in egressDevice:
cmd += " " + str( egressDevice )
else:
if not portEgress:
main.log.error( "You must specify " +
"the egress port" )
return main.FALSE
cmd += " " +\
str( egressDevice ) + "/" +\
str( portEgress )
print "cmd= ", cmd
handle = self.sendline( cmd )
# If error, return error message
if re.search( "Error", handle ):
main.log.error( "Error in adding multipoint-to-singlepoint " +
"intent" )
return None
else:
match = re.search('id=0x([\da-f]+),', handle)
if match:
return match.group()[3:-1]
else:
main.log.error( "Error, intent ID not found" )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def addSinglepointToMultipointIntent(
self,
ingressDevice,
egressDeviceList,
portIngress="",
portEgressList=None,
ethType="",
ethSrc="",
ethDst="",
bandwidth="",
lambdaAlloc=False,
ipProto="",
ipSrc="",
ipDst="",
tcpSrc="",
tcpDst="",
setEthSrc="",
setEthDst="" ):
"""
Note:
This function assumes the format of all egress devices
is same. That is, all egress devices include port numbers
with a "/" or all egress devices could specify device
ids and port numbers seperately.
Required:
* EgressDeviceList: List of device ids of egress device
( Atleast 2 eress devices required in the list )
* ingressDevice: device id of ingress device
Optional:
* ethType: specify ethType
* ethSrc: specify ethSrc ( i.e. src mac addr )
* ethDst: specify ethDst ( i.e. dst mac addr )
* bandwidth: specify bandwidth capacity of link
* lambdaAlloc: if True, intent will allocate lambda
for the specified intent
* ipProto: specify ip protocol
* ipSrc: specify ip source address
* ipDst: specify ip destination address
* tcpSrc: specify tcp source port
* tcpDst: specify tcp destination port
* setEthSrc: action to Rewrite Source MAC Address
* setEthDst: action to Rewrite Destination MAC Address
Description:
Adds a singlepoint-to-multipoint intent ( uni-directional ) by
specifying device id's and optional fields
Returns:
A string of the intent id or None on error
NOTE: This function may change depending on the
options developers provide for singlepoint-to-multipoint
intent via cli
"""
try:
# If there are no optional arguments
if not ethType and not ethSrc and not ethDst\
and not bandwidth and not lambdaAlloc\
and not ipProto and not ipSrc and not ipDst\
and not tcpSrc and not tcpDst and not setEthSrc\
and not setEthDst:
cmd = "add-single-to-multi-intent"
else:
cmd = "add-single-to-multi-intent"
if ethType:
cmd += " --ethType " + str( ethType )
if ethSrc:
cmd += " --ethSrc " + str( ethSrc )
if ethDst:
cmd += " --ethDst " + str( ethDst )
if bandwidth:
cmd += " --bandwidth " + str( bandwidth )
if lambdaAlloc:
cmd += " --lambda "
if ipProto:
cmd += " --ipProto " + str( ipProto )
if ipSrc:
cmd += " --ipSrc " + str( ipSrc )
if ipDst:
cmd += " --ipDst " + str( ipDst )
if tcpSrc:
cmd += " --tcpSrc " + str( tcpSrc )
if tcpDst:
cmd += " --tcpDst " + str( tcpDst )
if setEthSrc:
cmd += " --setEthSrc " + str( setEthSrc )
if setEthDst:
cmd += " --setEthDst " + str( setEthDst )
# Check whether the user appended the port
# or provided it as an input
if "/" in ingressDevice:
cmd += " " + str( ingressDevice )
else:
if not portIngress:
main.log.error( "You must specify " +
"the Ingress port" )
return main.FALSE
cmd += " " +\
str( ingressDevice ) + "/" +\
str( portIngress )
if portEgressList is None:
for egressDevice in egressDeviceList:
if "/" in egressDevice:
cmd += " " + str( egressDevice )
else:
main.log.error( "You must specify " +
"the egress port" )
# TODO: perhaps more meaningful return
return main.FALSE
else:
if len( egressDeviceList ) == len( portEgressList ):
for egressDevice, portEgress in zip( egressDeviceList, portEgressList ):
cmd += " " + \
str( egressDevice ) + "/" +\
str( portEgress )
else:
main.log.error( "Device list and port list does not have the same length" )
return main.FALSE
print "cmd= ", cmd
handle = self.sendline( cmd )
# If error, return error message
if re.search( "Error", handle ):
main.log.error( "Error in adding singlepoint-to-multipoint " +
"intent" )
return None
else:
match = re.search('id=0x([\da-f]+),', handle)
if match:
return match.group()[3:-1]
else:
main.log.error( "Error, intent ID not found" )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def removeIntent( self, intentId, app='org.onosproject.cli',
purge=False, sync=False ):
"""
Remove intent for specified application id and intent id
Optional args:-
-s or --sync: Waits for the removal before returning
-p or --purge: Purge the intent from the store after removal
Returns:
main.False on error and
cli output otherwise
"""
try:
cmdStr = "remove-intent "
if purge:
cmdStr += " -p"
if sync:
cmdStr += " -s"
cmdStr += " " + app + " " + str( intentId )
handle = self.sendline( cmdStr )
if re.search( "Error", handle ):
main.log.error( "Error in removing intent" )
return main.FALSE
else:
# TODO: Should this be main.TRUE
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def routes( self, jsonFormat=False ):
"""
NOTE: This method should be used after installing application:
onos-app-sdnip
Optional:
* jsonFormat: enable output formatting in json
Description:
Obtain all routes in the system
"""
try:
if jsonFormat:
cmdStr = "routes -j"
handleTmp = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle = ansiEscape.sub( '', handleTmp )
else:
cmdStr = "routes"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def intents( self, jsonFormat=True ):
"""
Optional:
* jsonFormat: enable output formatting in json
Description:
Obtain intents currently installed
"""
try:
if jsonFormat:
cmdStr = "intents -j"
handle = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle = ansiEscape.sub( '', handle )
else:
cmdStr = "intents"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getIntentState(self, intentsId, intentsJson=None):
"""
Check intent state.
Accepts a single intent ID (string type) or a list of intent IDs.
Returns the state(string type) of the id if a single intent ID is
accepted.
Returns a dictionary with intent IDs as the key and its
corresponding states as the values
Parameters:
intentId: intent ID (string type)
intentsJson: parsed json object from the onos:intents api
Returns:
state = An intent's state- INSTALL,WITHDRAWN etc.
stateDict = Dictionary of intent's state. intent ID as the keys and
state as the values.
"""
try:
state = "State is Undefined"
if not intentsJson:
intentsJsonTemp = json.loads( self.intents() )
else:
intentsJsonTemp = json.loads( intentsJson )
if isinstance( intentsId, types.StringType ):
for intent in intentsJsonTemp:
if intentsId == intent['id']:
state = intent['state']
return state
main.log.info( "Cannot find intent ID" + str( intentsId ) +
" on the list" )
return state
elif isinstance( intentsId, types.ListType ):
dictList = []
for ID in intentsId:
stateDict = {}
for intents in intentsJsonTemp:
if ID == intents['id']:
stateDict['state'] = intents['state']
stateDict['id'] = ID
dictList.append( stateDict )
break
if len( intentsId ) != len( dictList ):
main.log.info( "Cannot find some of the intent ID state" )
return dictList
else:
main.log.info("Invalid intents ID entry")
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def flows( self, jsonFormat=True ):
"""
Optional:
* jsonFormat: enable output formatting in json
Description:
Obtain flows currently installed
"""
try:
if jsonFormat:
cmdStr = "flows -j"
handle = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle = ansiEscape.sub( '', handle )
else:
cmdStr = "flows"
handle = self.sendline( cmdStr )
if re.search( "Error:", handle ):
main.log.error( self.name + ".flows() response: " +
str( handle ) )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def pushTestIntents( self, dpidSrc, dpidDst, numIntents,
numMult="", appId="", report=True ):
"""
Description:
Push a number of intents in a batch format to
a specific point-to-point intent definition
Required:
* dpidSrc: specify source dpid
* dpidDst: specify destination dpid
* numIntents: specify number of intents to push
Optional:
* numMult: number multiplier for multiplying
the number of intents specified
* appId: specify the application id init to further
modularize the intents
* report: default True, returns latency information
"""
try:
cmd = "push-test-intents " +\
str( dpidSrc ) + " " + str( dpidDst ) + " " +\
str( numIntents )
if numMult:
cmd += " " + str( numMult )
# If app id is specified, then numMult
# must exist because of the way this command
if appId:
cmd += " " + str( appId )
handle = self.sendline( cmd )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle = ansiEscape.sub( '', handle )
if report:
latResult = []
main.log.info( handle )
# Split result by newline
newline = handle.split( "\r\r\n" )
# Ignore the first object of list, which is empty
newline = newline[ 1: ]
# Some sloppy parsing method to get the latency
for result in newline:
result = result.split( ": " )
# Append the first result of second parse
latResult.append( result[ 1 ].split( " " )[ 0 ] )
main.log.info( latResult )
return latResult
else:
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def intentsEventsMetrics( self, jsonFormat=True ):
"""
Description:Returns topology metrics
Optional:
* jsonFormat: enable json formatting of output
"""
try:
if jsonFormat:
cmdStr = "intents-events-metrics -j"
handle = self.sendline( cmdStr )
# Some color thing that we want to escape
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle = ansiEscape.sub( '', handle )
else:
cmdStr = "intents-events-metrics"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def topologyEventsMetrics( self, jsonFormat=True ):
"""
Description:Returns topology metrics
Optional:
* jsonFormat: enable json formatting of output
"""
try:
if jsonFormat:
cmdStr = "topology-events-metrics -j"
handle = self.sendline( cmdStr )
# Some color thing that we want to escape
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle = ansiEscape.sub( '', handle )
else:
cmdStr = "topology-events-metrics"
handle = self.sendline( cmdStr )
if handle:
return handle
else:
# Return empty json
return '{}'
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
# Wrapper functions ****************
# Wrapper functions use existing driver
# functions and extends their use case.
# For example, we may use the output of
# a normal driver function, and parse it
# using a wrapper function
def getAllIntentsId( self ):
"""
Description:
Obtain all intent id's in a list
"""
try:
# Obtain output of intents function
intentsStr = self.intents(jsonFormat=False)
intentIdList = []
# Parse the intents output for ID's
intentsList = [ s.strip() for s in intentsStr.splitlines() ]
for intents in intentsList:
match = re.search('id=0x([\da-f]+),', intents)
if match:
tmpId = match.group()[3:-1]
intentIdList.append( tmpId )
return intentIdList
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def FlowAddedCount( self, deviceId ):
"""
Determine the number of flow rules for the given device id that are
in the added state
"""
try:
cmdStr = "flows any " + str( deviceId ) + " | " +\
"grep 'state=ADDED' | wc -l"
handle = self.sendline( cmdStr )
return handle
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getAllDevicesId( self ):
"""
Use 'devices' function to obtain list of all devices
and parse the result to obtain a list of all device
id's. Returns this list. Returns empty list if no
devices exist
List is ordered sequentially
This function may be useful if you are not sure of the
device id, and wish to execute other commands using
the ids. By obtaining the list of device ids on the fly,
you can iterate through the list to get mastership, etc.
"""
try:
# Call devices and store result string
devicesStr = self.devices( jsonFormat=False )
idList = []
if not devicesStr:
main.log.info( "There are no devices to get id from" )
return idList
# Split the string into list by comma
deviceList = devicesStr.split( "," )
# Get temporary list of all arguments with string 'id='
tempList = [ dev for dev in deviceList if "id=" in dev ]
# Split list further into arguments before and after string
# 'id='. Get the latter portion ( the actual device id ) and
# append to idList
for arg in tempList:
idList.append( arg.split( "id=" )[ 1 ] )
return idList
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getAllNodesId( self ):
"""
Uses 'nodes' function to obtain list of all nodes
and parse the result of nodes to obtain just the
node id's.
Returns:
list of node id's
"""
try:
nodesStr = self.nodes( jsonFormat=True )
idList = []
# Sample nodesStr output
# id=local, address=127.0.0.1:9876, state=ACTIVE *
if not nodesStr:
main.log.info( "There are no nodes to get id from" )
return idList
nodesJson = json.loads( nodesStr )
idList = [ node.get('id') for node in nodesJson ]
return idList
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getDevice( self, dpid=None ):
"""
Return the first device from the devices api whose 'id' contains 'dpid'
Return None if there is no match
"""
try:
if dpid is None:
return None
else:
dpid = dpid.replace( ':', '' )
rawDevices = self.devices()
devicesJson = json.loads( rawDevices )
# search json for the device with dpid then return the device
for device in devicesJson:
# print "%s in %s?" % ( dpid, device[ 'id' ] )
if dpid in device[ 'id' ]:
return device
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def checkStatus( self, ip, numoswitch, numolink, logLevel="info" ):
"""
Checks the number of switches & links that ONOS sees against the
supplied values. By default this will report to main.log, but the
log level can be specified.
Params: ip = ip used for the onos cli
numoswitch = expected number of switches
numolink = expected number of links
logLevel = level to log to. Currently accepts
'info', 'warn' and 'report'
logLevel can
Returns: main.TRUE if the number of switches and links are correct,
main.FALSE if the number of switches and links is incorrect,
and main.ERROR otherwise
"""
try:
topology = self.getTopology( ip )
if topology == {}:
return main.ERROR
output = ""
# Is the number of switches is what we expected
devices = topology.get( 'devices', False )
links = topology.get( 'links', False )
if devices is False or links is False:
return main.ERROR
switchCheck = ( int( devices ) == int( numoswitch ) )
# Is the number of links is what we expected
linkCheck = ( int( links ) == int( numolink ) )
if ( switchCheck and linkCheck ):
# We expected the correct numbers
output += "The number of links and switches match " +\
"what was expected"
result = main.TRUE
else:
output += "The number of links and switches does not match " +\
"what was expected"
result = main.FALSE
output = output + "\n ONOS sees %i devices (%i expected) \
and %i links (%i expected)" % (
int( devices ), int( numoswitch ), int( links ),
int( numolink ) )
if logLevel == "report":
main.log.report( output )
elif logLevel == "warn":
main.log.warn( output )
else:
main.log.info( output )
return result
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def deviceRole( self, deviceId, onosNode, role="master" ):
"""
Calls the device-role cli command.
deviceId must be the id of a device as seen in the onos devices command
onosNode is the ip of one of the onos nodes in the cluster
role must be either master, standby, or none
Returns:
main.TRUE or main.FALSE based on argument verification and
main.ERROR if command returns and error
"""
try:
if role.lower() == "master" or role.lower() == "standby" or\
role.lower() == "none":
cmdStr = "device-role " +\
str( deviceId ) + " " +\
str( onosNode ) + " " +\
str( role )
handle = self.sendline( cmdStr )
if re.search( "Error", handle ):
# end color output to escape any colours
# from the cli
main.log.error( self.name + ": " +
handle + '\033[0m' )
return main.ERROR
return main.TRUE
else:
main.log.error( "Invalid 'role' given to device_role(). " +
"Value was '" + str(role) + "'." )
return main.FALSE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def clusters( self, jsonFormat=True ):
"""
Lists all clusters
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
try:
if jsonFormat:
cmdStr = "clusters -j"
handle = self.sendline( cmdStr )
"""
handle variable here contains some ANSI escape color code
sequences at the end which are invisible in the print command
output. To make that escape sequence visible, use repr()
function. The repr( handle ) output when printed shows the ANSI
escape sequences. In json.loads( somestring ), this somestring
variable is actually repr( somestring ) and json.loads would
fail with the escape sequence. So we take off that escape
sequence using:
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
"""
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
handle1 = ansiEscape.sub( '', handle )
return handle1
else:
cmdStr = "clusters"
handle = self.sendline( cmdStr )
return handle
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def electionTestLeader( self ):
"""
CLI command to get the current leader for the Election test application
NOTE: Requires installation of the onos-app-election feature
Returns: Node IP of the leader if one exists
None if none exists
Main.FALSE on error
"""
try:
cmdStr = "election-test-leader"
response = self.sendline( cmdStr )
# Leader
leaderPattern = "The\scurrent\sleader\sfor\sthe\sElection\s" +\
"app\sis\s(?P<node>.+)\."
nodeSearch = re.search( leaderPattern, response )
if nodeSearch:
node = nodeSearch.group( 'node' )
main.log.info( "Election-test-leader on " + str( self.name ) +
" found " + node + " as the leader" )
return node
# no leader
nullPattern = "There\sis\scurrently\sno\sleader\selected\sfor\s" +\
"the\sElection\sapp"
nullSearch = re.search( nullPattern, response )
if nullSearch:
main.log.info( "Election-test-leader found no leader on " +
self.name )
return None
# error
errorPattern = "Command\snot\sfound"
if re.search( errorPattern, response ):
main.log.error( "Election app is not loaded on " + self.name )
# TODO: Should this be main.ERROR?
return main.FALSE
else:
main.log.error( "Error in election_test_leader: " +
"unexpected response" )
main.log.error( repr( response ) )
return main.FALSE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.FALSE
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def electionTestRun( self ):
"""
CLI command to run for leadership of the Election test application.
NOTE: Requires installation of the onos-app-election feature
Returns: Main.TRUE on success
Main.FALSE on error
"""
try:
cmdStr = "election-test-run"
response = self.sendline( cmdStr )
# success
successPattern = "Entering\sleadership\selections\sfor\sthe\s" +\
"Election\sapp."
search = re.search( successPattern, response )
if search:
main.log.info( self.name + " entering leadership elections " +
"for the Election app." )
return main.TRUE
# error
errorPattern = "Command\snot\sfound"
if re.search( errorPattern, response ):
main.log.error( "Election app is not loaded on " + self.name )
return main.FALSE
else:
main.log.error( "Error in election_test_run: " +
"unexpected response" )
main.log.error( repr( response ) )
return main.FALSE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.FALSE
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def electionTestWithdraw( self ):
"""
* CLI command to withdraw the local node from leadership election for
* the Election test application.
#NOTE: Requires installation of the onos-app-election feature
Returns: Main.TRUE on success
Main.FALSE on error
"""
try:
cmdStr = "election-test-withdraw"
response = self.sendline( cmdStr )
# success
successPattern = "Withdrawing\sfrom\sleadership\selections\sfor" +\
"\sthe\sElection\sapp."
if re.search( successPattern, response ):
main.log.info( self.name + " withdrawing from leadership " +
"elections for the Election app." )
return main.TRUE
# error
errorPattern = "Command\snot\sfound"
if re.search( errorPattern, response ):
main.log.error( "Election app is not loaded on " + self.name )
return main.FALSE
else:
main.log.error( "Error in election_test_withdraw: " +
"unexpected response" )
main.log.error( repr( response ) )
return main.FALSE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.FALSE
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getDevicePortsEnabledCount( self, dpid ):
"""
Get the count of all enabled ports on a particular device/switch
"""
try:
dpid = str( dpid )
cmdStr = "onos:ports -e " + dpid + " | wc -l"
output = self.sendline( cmdStr )
if re.search( "No such device", output ):
main.log.error( "Error in getting ports" )
return ( output, "Error" )
else:
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return ( output, "Error" )
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getDeviceLinksActiveCount( self, dpid ):
"""
Get the count of all enabled ports on a particular device/switch
"""
try:
dpid = str( dpid )
cmdStr = "onos:links " + dpid + " | grep ACTIVE | wc -l"
output = self.sendline( cmdStr )
if re.search( "No such device", output ):
main.log.error( "Error in getting ports " )
return ( output, "Error " )
else:
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return ( output, "Error " )
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def getAllIntentIds( self ):
"""
Return a list of all Intent IDs
"""
try:
cmdStr = "onos:intents | grep id="
output = self.sendline( cmdStr )
if re.search( "Error", output ):
main.log.error( "Error in getting ports" )
return ( output, "Error" )
else:
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return ( output, "Error" )
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def intentSummary( self ):
"""
Returns a dictionary containing the current intent states and the count
"""
try:
intents = self.intents( )
intentStates = []
for intent in json.loads( intents ):
intentStates.append( intent.get( 'state', None ) )
out = [ (i, intentStates.count( i ) ) for i in set( intentStates ) ]
main.log.info( dict( out ) )
return dict( out )
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except Exception:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def leaders( self, jsonFormat=True ):
"""
Returns the output of the leaders command.
Optional argument:
* jsonFormat - boolean indicating if you want output in json
"""
# FIXME: add json output
# Sample JSON
# {
# "electedTime": "13m ago",
# "epoch": 4,
# "leader": "10.128.30.17",
# "topic": "intent-partition-3"
# },
try:
if jsonFormat:
cmdStr = "onos:leaders -j"
output = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
cleanedOutput = ansiEscape.sub( '', output )
return cleanedOutput
else:
cmdStr = "onos:leaders"
output = self.sendline( cmdStr )
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def pendingMap( self, jsonFormat=True ):
"""
Returns the output of the intent Pending map.
"""
try:
if jsonFormat:
cmdStr = "onos:intents -p -j"
output = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
cleanedOutput = ansiEscape.sub( '', output )
return cleanedOutput
else:
cmdStr = "onos:intents -p"
output = self.sendline( cmdStr )
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def partitions( self, jsonFormat=True ):
"""
Returns the output of the raft partitions command for ONOS.
"""
# Sample JSON
# {
# "leader": "tcp://10.128.30.11:7238",
# "members": [
# "tcp://10.128.30.11:7238",
# "tcp://10.128.30.17:7238",
# "tcp://10.128.30.13:7238",
# ],
# "name": "p1",
# "term": 3
# },
try:
if jsonFormat:
cmdStr = "onos:partitions -j"
output = self.sendline( cmdStr )
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
cleanedOutput = ansiEscape.sub( '', output )
return cleanedOutput
else:
cmdStr = "onos:partitions"
output = self.sendline( cmdStr )
return output
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def apps( self, jsonFormat=True ):
"""
Returns the output of the apps command for ONOS. This command lists
information about installed ONOS applications
"""
# Sample JSON object
# [{"name":"org.onosproject.openflow","id":0,"version":"1.2.0",
# "description":"ONOS OpenFlow protocol southbound providers",
# "origin":"ON.Lab","permissions":"[]","featuresRepo":"",
# "features":"[onos-openflow]","state":"ACTIVE"}]
try:
if jsonFormat:
cmdStr = "onos:apps -j"
output = self.sendline( cmdStr )
assert "Error executing command" not in output
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
cleanedOutput = ansiEscape.sub( '', output )
return cleanedOutput
else:
cmdStr = "onos:apps"
output = self.sendline( cmdStr )
assert "Error executing command" not in output
return output
# FIXME: look at specific exceptions/Errors
except AssertionError:
main.log.error( "Error in processing onos:app command: " +
str( output ) )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def appStatus( self, appName ):
"""
Uses the onos:apps cli command to return the status of an application.
Returns:
"ACTIVE" - If app is installed and activated
"INSTALLED" - If app is installed and deactivated
"UNINSTALLED" - If app is not installed
None - on error
"""
try:
if not isinstance( appName, types.StringType ):
main.log.error( self.name + ".appStatus(): appName must be" +
" a string" )
return None
output = self.apps( jsonFormat=True )
appsJson = json.loads( output )
state = None
for app in appsJson:
if appName == app.get('name'):
state = app.get('state')
break
if state == "ACTIVE" or state == "INSTALLED":
return state
elif state is None:
return "UNINSTALLED"
elif state:
main.log.error( "Unexpected state from 'onos:apps': " +
str( state ) )
return state
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def app( self, appName, option ):
"""
Interacts with the app command for ONOS. This command manages
application inventory.
"""
try:
# Validate argument types
valid = True
if not isinstance( appName, types.StringType ):
main.log.error( self.name + ".app(): appName must be a " +
"string" )
valid = False
if not isinstance( option, types.StringType ):
main.log.error( self.name + ".app(): option must be a string" )
valid = False
if not valid:
return main.FALSE
# Validate Option
option = option.lower()
# NOTE: Install may become a valid option
if option == "activate":
pass
elif option == "deactivate":
pass
elif option == "uninstall":
pass
else:
# Invalid option
main.log.error( "The ONOS app command argument only takes " +
"the values: (activate|deactivate|uninstall)" +
"; was given '" + option + "'")
return main.FALSE
cmdStr = "onos:app " + option + " " + appName
output = self.sendline( cmdStr )
if "Error executing command" in output:
main.log.error( "Error in processing onos:app command: " +
str( output ) )
return main.FALSE
elif "No such application" in output:
main.log.error( "The application '" + appName +
"' is not installed in ONOS" )
return main.FALSE
elif "Command not found:" in output:
main.log.error( "Error in processing onos:app command: " +
str( output ) )
return main.FALSE
elif "Unsupported command:" in output:
main.log.error( "Incorrect command given to 'app': " +
str( output ) )
# NOTE: we may need to add more checks here
# else: Command was successful
#main.log.debug( "app response: " + repr( output ) )
return main.TRUE
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.ERROR
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def activateApp( self, appName, check=True ):
"""
Activate an app that is already installed in ONOS
appName is the hierarchical app name, not the feature name
If check is True, method will check the status of the app after the
command is issued
Returns main.TRUE if the command was successfully sent
main.FALSE if the cli responded with an error or given
incorrect input
"""
try:
if not isinstance( appName, types.StringType ):
main.log.error( self.name + ".activateApp(): appName must be" +
" a string" )
return main.FALSE
status = self.appStatus( appName )
if status == "INSTALLED":
response = self.app( appName, "activate" )
if check and response == main.TRUE:
for i in range(10): # try 10 times then give up
# TODO: Check with Thomas about this delay
status = self.appStatus( appName )
if status == "ACTIVE":
return main.TRUE
else:
main.log.debug( "The state of application " +
appName + " is " + status )
time.sleep( 1 )
return main.FALSE
else: # not 'check' or command didn't succeed
return response
elif status == "ACTIVE":
return main.TRUE
elif status == "UNINSTALLED":
main.log.error( self.name + ": Tried to activate the " +
"application '" + appName + "' which is not " +
"installed." )
else:
main.log.error( "Unexpected return value from appStatus: " +
str( status ) )
return main.ERROR
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.ERROR
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def deactivateApp( self, appName, check=True ):
"""
Deactivate an app that is already activated in ONOS
appName is the hierarchical app name, not the feature name
If check is True, method will check the status of the app after the
command is issued
Returns main.TRUE if the command was successfully sent
main.FALSE if the cli responded with an error or given
incorrect input
"""
try:
if not isinstance( appName, types.StringType ):
main.log.error( self.name + ".deactivateApp(): appName must " +
"be a string" )
return main.FALSE
status = self.appStatus( appName )
if status == "INSTALLED":
return main.TRUE
elif status == "ACTIVE":
response = self.app( appName, "deactivate" )
if check and response == main.TRUE:
for i in range(10): # try 10 times then give up
status = self.appStatus( appName )
if status == "INSTALLED":
return main.TRUE
else:
time.sleep( 1 )
return main.FALSE
else: # not check or command didn't succeed
return response
elif status == "UNINSTALLED":
main.log.warn( self.name + ": Tried to deactivate the " +
"application '" + appName + "' which is not " +
"installed." )
return main.TRUE
else:
main.log.error( "Unexpected return value from appStatus: " +
str( status ) )
return main.ERROR
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.ERROR
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def uninstallApp( self, appName, check=True ):
"""
Uninstall an app that is already installed in ONOS
appName is the hierarchical app name, not the feature name
If check is True, method will check the status of the app after the
command is issued
Returns main.TRUE if the command was successfully sent
main.FALSE if the cli responded with an error or given
incorrect input
"""
# TODO: check with Thomas about the state machine for apps
try:
if not isinstance( appName, types.StringType ):
main.log.error( self.name + ".uninstallApp(): appName must " +
"be a string" )
return main.FALSE
status = self.appStatus( appName )
if status == "INSTALLED":
response = self.app( appName, "uninstall" )
if check and response == main.TRUE:
for i in range(10): # try 10 times then give up
status = self.appStatus( appName )
if status == "UNINSTALLED":
return main.TRUE
else:
time.sleep( 1 )
return main.FALSE
else: # not check or command didn't succeed
return response
elif status == "ACTIVE":
main.log.warn( self.name + ": Tried to uninstall the " +
"application '" + appName + "' which is " +
"currently active." )
response = self.app( appName, "uninstall" )
if check and response == main.TRUE:
for i in range(10): # try 10 times then give up
status = self.appStatus( appName )
if status == "UNINSTALLED":
return main.TRUE
else:
time.sleep( 1 )
return main.FALSE
else: # not check or command didn't succeed
return response
elif status == "UNINSTALLED":
return main.TRUE
else:
main.log.error( "Unexpected return value from appStatus: " +
str( status ) )
return main.ERROR
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return main.ERROR
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def appIDs( self, jsonFormat=True ):
"""
Show the mappings between app id and app names given by the 'app-ids'
cli command
"""
try:
cmdStr = "app-ids"
if jsonFormat:
cmdStr += " -j"
output = self.sendline( cmdStr )
assert "Error executing command" not in output
ansiEscape = re.compile( r'\r\r\n\x1b[^m]*m' )
cleanedOutput = ansiEscape.sub( '', output )
return cleanedOutput
else:
output = self.sendline( cmdStr )
assert "Error executing command" not in output
return output
except AssertionError:
main.log.error( "Error in processing onos:app-ids command: " +
str( output ) )
return None
except TypeError:
main.log.exception( self.name + ": Object not as expected" )
return None
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()
def appToIDCheck( self ):
"""
This method will check that each application's ID listed in 'apps' is
the same as the ID listed in 'app-ids'. The check will also check that
there are no duplicate IDs issued. Note that an app ID should be
a globaly unique numerical identifier for app/app-like features. Once
an ID is registered, the ID is never freed up so that if an app is
reinstalled it will have the same ID.
Returns: main.TRUE if the check passes and
main.FALSE if the check fails or
main.ERROR if there is some error in processing the test
"""
try:
ids = json.loads( self.appIDs( jsonFormat=True ) )
apps = json.loads( self.apps( jsonFormat=True ) )
result = main.TRUE
for app in apps:
appID = app.get( 'id' )
if appID is None:
main.log.error( "Error parsing app: " + str( app ) )
result = main.FALSE
appName = app.get( 'name' )
if appName is None:
main.log.error( "Error parsing app: " + str( app ) )
result = main.FALSE
# get the entry in ids that has the same appID
current = filter(lambda item: item[ 'id' ] == appID, ids)
# main.log.debug( "Comparing " + str( app ) + " to " +
# str( current ) )
if not current: # if ids doesn't have this id
result = main.FALSE
main.log.error( "'app-ids' does not have the ID for " +
str( appName ) + " that apps does." )
elif len( current ) > 1:
# there is more than one app with this ID
result = main.FALSE
# We will log this later in the method
elif not current[0][ 'name' ] == appName:
currentName = current[0][ 'name' ]
result = main.FALSE
main.log.error( "'app-ids' has " + str( currentName ) +
" registered under id:" + str( appID ) +
" but 'apps' has " + str( appName ) )
else:
pass # id and name match!
# now make sure that app-ids has no duplicates
idsList = []
namesList = []
for item in ids:
idsList.append( item[ 'id' ] )
namesList.append( item[ 'name' ] )
if len( idsList ) != len( set( idsList ) ) or\
len( namesList ) != len( set( namesList ) ):
main.log.error( "'app-ids' has some duplicate entries: \n"
+ json.dumps( ids,
sort_keys=True,
indent=4,
separators=( ',', ': ' ) ) )
result = main.FALSE
return result
except ( ValueError, TypeError ):
main.log.exception( self.name + ": Object not as expected" )
return main.ERROR
except pexpect.EOF:
main.log.error( self.name + ": EOF exception found" )
main.log.error( self.name + ": " + self.handle.before )
main.cleanup()
main.exit()
except:
main.log.exception( self.name + ": Uncaught exception!" )
main.cleanup()
main.exit()