blob: 89edbda410c2f1852b64a44b68ebebbe28dd97c1 [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 time
import pexpect
import re
import traceback
import os.path
import pydoc
import re
sys.path.append("../")
from drivers.common.clidriver import CLI
class OnosCliDriver(CLI):
def __init__(self):
'''
Initialize client
'''
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
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 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.info(self.name + ":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.log.error( traceback.print_exc() )
main.log.info(":::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::")
main.cleanup()
main.exit()
def disconnect(self):
'''
Called when Test is complete to disconnect the ONOS handle.
'''
response = ''
try:
self.handle.sendline("")
i = self.handle.expect(["onos>","\$"])
if i == 0:
self.handle.sendline("system:shutdown")
self.handle.expect("Confirm")
self.handle.sendline("yes")
self.handle.expect("\$")
self.handle.sendline("\n")
self.handle.expect("\$")
self.handle.sendline("exit")
self.handle.expect("closed")
except pexpect.EOF:
main.log.error(self.name + ": EOF exception found")
main.log.error(self.name + ": " + self.handle.before)
except:
main.log.error(self.name + ": Connection failed to the host")
response = main.FALSE
return response
def set_cell(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 ONOS_CELL variable.
#Note that this variable name is subject to change
# and that this driver will have to change accordingly
self.handle.expect("ONOS_CELL="+str(cellname))
handle_before = self.handle.before
handle_after = self.handle.after
#Get the rest of the handle
self.handle.sendline("")
self.handle.expect("\$")
handle_more = self.handle.before
main.log.info("Cell call returned: "+handle_before+
handle_after + handle_more)
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def start_onos_cli(self, ONOS_ip):
try:
self.handle.sendline("")
self.handle.expect("\$")
#Wait for onos start (-w) and enter onos cli
self.handle.sendline("onos -w "+str(ONOS_ip))
i = self.handle.expect([
"onos>",
pexpect.TIMEOUT],timeout=60)
if i == 0:
main.log.info(str(ONOS_ip)+" CLI Started successfully")
return main.TRUE
else:
#If failed, send ctrl+c to process and try again
main.log.info("Starting CLI failed. Retrying...")
self.handle.sendline("\x03")
self.handle.sendline("onos -w "+str(ONOS_ip))
i = self.handle.expect(["onos>",pexpect.TIMEOUT],
timeout=30)
if i == 0:
return main.TRUE
else:
main.log.error("Connection to CLI "+\
str(ONOS_ip)+" timeout")
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def sendline(self, cmd_str):
'''
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:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline(cmd_str)
self.handle.expect("onos>")
handle = self.handle.before
self.handle.sendline("")
self.handle.expect("onos>")
handle += self.handle.before
handle += self.handle.after
main.log.info("Command sent.")
ansi_escape = re.compile(r'\x1b[^m]*m')
handle = ansi_escape.sub('', handle)
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
#IMPORTANT NOTE:
#For all cli commands, naming convention should match
#the cli command replacing ':' with '_'.
#Ex) onos:topology > onos_topology
# onos:links > onos_links
# feature:list > feature_list
def add_node(self, node_id, ONOS_ip, tcp_port=""):
'''
Adds a new cluster node by ID and address information.
Required:
* node_id
* ONOS_ip
Optional:
* tcp_port
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("add-node "+
str(node_id)+" "+
str(ONOS_ip)+" "+
str(tcp_port))
i = self.handle.expect([
"Error",
"onos>" ])
#Clear handle to get previous output
self.handle.sendline("")
self.handle.expect("onos>")
handle = self.handle.before
if i == 0:
main.log.error("Error in adding node")
main.log.error(handle)
return main.FALSE
else:
main.log.info("Node "+str(ONOS_ip)+" added")
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def remove_node(self, node_id):
'''
Removes a cluster by ID
Issues command: 'remove-node [<node-id>]'
Required:
* node_id
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("remove-node "+str(node_id))
self.handle.expect("onos>")
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def nodes(self):
'''
List the nodes currently visible
Issues command: 'nodes'
Returns: entire handle of list of nodes
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("nodes")
self.handle.expect("onos>")
self.handle.sendline("")
self.handle.expect("onos>")
handle = self.handle.before
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def topology(self):
'''
Shows the current state of the topology
by issusing command: 'onos> onos:topology'
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
#either onos:topology or 'topology' will work in CLI
self.handle.sendline("onos:topology")
self.handle.expect("onos>")
handle = self.handle.before
main.log.info("onos:topology returned: " +
str(handle))
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def feature_install(self, feature_str):
'''
Installs a specified feature
by issuing command: 'onos> feature:install <feature_str>'
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("feature:install "+str(feature_str))
self.handle.expect("onos>")
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def feature_uninstall(self, feature_str):
'''
Uninstalls a specified feature
by issuing command: 'onos> feature:uninstall <feature_str>'
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("feature:uninstall "+str(feature_str))
self.handle.expect("onos>")
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def devices(self, json_format=True, grep_str=""):
'''
Lists all infrastructure devices or switches
Optional argument:
* grep_str - pass in a string to grep
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
if json_format:
if not grep_str:
self.handle.sendline("devices -j")
self.handle.expect("devices -j")
self.handle.expect("onos>")
else:
self.handle.sendline("devices -j | grep '"+
str(grep_str)+"'")
self.handle.expect("devices -j | grep '"+str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
'''
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
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
'''
#print "repr(handle) =", repr(handle)
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
#print "repr(handle1) = ", repr(handle1)
return handle1
else:
if not grep_str:
self.handle.sendline("devices")
self.handle.expect("onos>")
else:
self.handle.sendline("devices | grep '"+
str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
#print "handle =",handle
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def links(self, json_format=True, grep_str=""):
'''
Lists all core links
Optional argument:
* grep_str - pass in a string to grep
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
if json_format:
if not grep_str:
self.handle.sendline("links -j")
self.handle.expect("links -j")
self.handle.expect("onos>")
else:
self.handle.sendline("links -j | grep '"+
str(grep_str)+"'")
self.handle.expect("links -j | grep '"+str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
'''
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
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
'''
#print "repr(handle) =", repr(handle)
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
#print "repr(handle1) = ", repr(handle1)
return handle1
else:
if not grep_str:
self.handle.sendline("links")
self.handle.expect("onos>")
else:
self.handle.sendline("links | grep '"+
str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
#print "handle =",handle
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def ports(self, json_format=True, grep_str=""):
'''
Lists all ports
Optional argument:
* grep_str - pass in a string to grep
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
if json_format:
if not grep_str:
self.handle.sendline("ports -j")
self.handle.expect("ports -j")
self.handle.expect("onos>")
else:
self.handle.sendline("ports -j | grep '"+
str(grep_str)+"'")
self.handle.expect("ports -j | grep '"+str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
'''
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:
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
'''
#print "repr(handle) =", repr(handle)
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
#print "repr(handle1) = ", repr(handle1)
return handle1
else:
if not grep_str:
self.handle.sendline("ports")
self.handle.expect("onos>")
self.handle.sendline("")
self.handle.expect("onos>")
else:
self.handle.sendline("ports | grep '"+
str(grep_str)+"'")
self.handle.expect("onos>")
self.handle.sendline("")
self.handle.expect("onos>")
handle = self.handle.before
#print "handle =",handle
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def roles(self, json_format=True, grep_str=""):
'''
Lists all devices and the controllers with roles assigned to them
Optional argument:
* grep_str - pass in a string to grep
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
if json_format:
if not grep_str:
self.handle.sendline("roles -j")
self.handle.expect("roles -j")
self.handle.expect("onos>")
else:
self.handle.sendline("roles -j | grep '"+
str(grep_str)+"'")
self.handle.expect("roles -j | grep '"+str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
'''
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:
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
'''
#print "repr(handle) =", repr(handle)
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
#print "repr(handle1) = ", repr(handle1)
return handle1
else:
if not grep_str:
self.handle.sendline("roles")
self.handle.expect("onos>")
self.handle.sendline("")
self.handle.expect("onos>")
else:
self.handle.sendline("roles | grep '"+
str(grep_str)+"'")
self.handle.expect("onos>")
self.handle.sendline("")
self.handle.expect("onos>")
handle = self.handle.before
#print "handle =",handle
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def get_role(self, device_id):
'''
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:
Dict of the role assignments for the given device or
None if not match
'''
try:
import json
if device_id == None:
return None
else:
raw_roles = self.roles()
roles_json = json.loads(raw_roles)
#search json for the device with id then return the device
for device in roles_json:
#print device
if str(device_id) in device['id']:
return device
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def paths(self, src_id, dst_id):
'''
Returns string of paths, and the cost.
Issues command: onos:paths <src> <dst>
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("onos:paths "+
str(src_id) + " " + str(dst_id))
i = self.handle.expect([
"Error",
"onos>"])
self.handle.sendline("")
self.handle.expect("onos>")
handle = self.handle.before
if i == 0:
main.log.error("Error in getting paths")
return (handle, "Error")
else:
path = handle.split(";")[0]
cost = handle.split(";")[1]
return (path, cost)
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def hosts(self, json_format=True, grep_str=""):
'''
Lists all discovered hosts
Optional argument:
* grep_str - pass in a string to grep
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
if json_format:
if not grep_str:
self.handle.sendline("hosts -j")
self.handle.expect("hosts -j")
self.handle.expect("onos>")
else:
self.handle.sendline("hosts -j | grep '"+
str(grep_str)+"'")
self.handle.expect("hosts -j | grep '"+str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
'''
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
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
'''
#print "repr(handle) =", repr(handle)
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle1 = ansi_escape.sub('', handle)
#print "repr(handle1) = ", repr(handle1)
return handle1
else:
if not grep_str:
self.handle.sendline("hosts")
self.handle.expect("onos>")
else:
self.handle.sendline("hosts | grep '"+
str(grep_str)+"'")
self.handle.expect("onos>")
handle = self.handle.before
#print "handle =",handle
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def get_host(self, mac):
'''
Return the first host from the hosts api whose 'id' contains 'mac'
Note: mac must be a colon seperated mac address, but could be a partial mac address
Return None if there is no match
'''
import json
try:
if mac == None:
return None
else:
mac = mac
raw_hosts = self.hosts()
hosts_json = json.loads(raw_hosts)
#search json for the host with mac then return the device
for host in hosts_json:
#print "%s in %s?" % (mac, host['id'])
if mac in host['id']:
return host
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def get_hosts_id(self, host_list):
'''
Obtain list of hosts
Issues command: 'onos> hosts'
Required:
* host_list: 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:
onos_host_list = []
for host in host_list:
host = host.replace("h", "")
host_hex = hex(int(host)).zfill(12)
host_hex = str(host_hex).replace('x','0')
i = iter(str(host_hex))
host_hex = ":".join(a+b for a,b in zip(i,i))
host_hex = host_hex + "/-1"
onos_host_list.append(host_hex)
return onos_host_list
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def add_host_intent(self, host_id_one, host_id_two):
'''
Required:
* host_id_one: ONOS host id for host1
* host_id_two: ONOS host id for host2
Description:
Adds a host-to-host intent (bidrectional) by
specifying the two hosts.
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("add-host-intent "+
str(host_id_one) + " " + str(host_id_two))
self.handle.expect("onos>")
handle = self.handle.before
print "handle =", handle
main.log.info("Intent installed between "+
str(host_id_one) + " and " + str(host_id_two))
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def add_optical_intent(self, ingress_device, egress_device):
'''
Required:
* ingress_device: device id of ingress device
* egress_device: device id of egress device
Optional:
TODO: Still needs to be implemented via dev side
'''
try:
self.handle.sendline("add-optical-intent "+
str(ingress_device) + " " + str(egress_device))
self.handle.expect("add-optical-intent")
i = self.handle.expect([
"Error",
"onos>"])
handle = self.handle.before
#If error, return error message
if i == 0:
return handle
else:
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def add_point_intent(self, ingress_device, port_ingress,
egress_device, port_egress, ethType="", ethSrc="",
ethDst="", bandwidth="", lambda_alloc=False):
'''
Required:
* ingress_device: device id of ingress device
* egress_device: 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
* lambda_alloc: if True, intent will allocate lambda
for the specified intent
Description:
Adds a point-to-point intent (uni-directional) by
specifying device id's and optional fields
NOTE: This function may change depending on the
options developers provide for point-to-point
intent via cli
'''
try:
cmd = ""
#If there are no optional arguments
if not ethType and not ethSrc and not ethDst\
and not bandwidth and not lambda_alloc:
cmd = "add-point-intent "+\
str(ingress_device) + "/" + str(port_ingress) + " " +\
str(egress_device) + "/" + str(port_egress)
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 lambda_alloc:
cmd += " --lambda "
cmd += " "+str(ingress_device) +\
"/" + str(port_ingress) + " " +\
str(egress_device) + "/" + str(port_egress)
self.handle.sendline(cmd)
i = self.handle.expect([
"Error",
"onos>"])
self.handle.sendline("intents")
self.handle.expect("onos>")
Intenthandle = self.handle.before
if i == 0:
main.log.error("Error in adding point-to-point intent")
return handle
else:
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def remove_intent(self, intent_id):
'''
Remove intent for specified intent id
'''
try:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("remove-intent "+str(intent_id))
i = self.handle.expect([
"Error",
"onos>"])
handle = self.handle.before
if i == 0:
main.log.error("Error in removing intent")
return handle
else:
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def intents(self, json_format = False):
'''
Optional:
* json_format: enable output formatting in json
Description:
Obtain intents currently installed
'''
try:
if json_format:
self.handle.sendline("intents -j")
self.handle.expect("intents -j")
self.handle.expect("onos>")
handle = self.handle.before
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle = ansi_escape.sub('', handle)
else:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("intents")
self.handle.expect("onos>")
handle = self.handle.before
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def flows(self, json_format = False):
'''
Optional:
* json_format: enable output formatting in json
Description:
Obtain flows currently installed
'''
try:
if json_format:
self.handle.sendline("flows -j")
self.handle.expect("flows -j")
self.handle.expect("onos>")
handle = self.handle.before
else:
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("flows")
self.handle.expect("onos>")
handle = self.handle.before
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def intents_events_metrics(self, json_format=True):
'''
Description:Returns topology metrics
Optional:
* json_format: enable json formatting of output
'''
try:
if json_format:
self.handle.sendline("intents-events-metrics -j")
self.handle.expect("intents-events-metrics -j")
self.handle.expect("onos>")
handle = self.handle.before
#Some color thing that we want to escape
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle = ansi_escape.sub('', handle)
else:
self.handle.sendline("intents-events-metrics")
self.handle.expect("intents-events-metrics")
self.handle.expect("onos>")
handle = self.handle.before
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def topology_events_metrics(self, json_format=True):
'''
Description:Returns topology metrics
Optional:
* json_format: enable json formatting of output
'''
try:
if json_format:
self.handle.sendline("topology-events-metrics -j")
self.handle.expect("topology-events-metrics -j")
self.handle.expect("onos>")
handle = self.handle.before
#Some color thing that we want to escape
ansi_escape = re.compile(r'\r\r\n\x1b[^m]*m')
handle = ansi_escape.sub('', handle)
else:
self.handle.sendline("topology-events-metrics")
self.handle.expect("topology-events-metrics")
self.handle.expect("onos>")
handle = self.handle.before
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
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 get_all_intents_id(self):
'''
Description:
Obtain all intent id's in a list
'''
try:
#Obtain output of intents function
intents_str = self.intents()
all_intent_list = []
intent_id_list = []
#Parse the intents output for ID's
intents_list = [s.strip() for s in intents_str.splitlines()]
for intents in intents_list:
if "onos>" in intents:
continue
elif "intents" in intents:
continue
else:
line_list = intents.split(" ")
all_intent_list.append(line_list[0])
all_intent_list = all_intent_list[1:-2]
for intents in all_intent_list:
if not intents:
continue
else:
intent_id_list.append(intents)
return intent_id_list
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def get_all_devices_id(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
devices_str = self.devices(json_format=False)
id_list = []
if not devices_str:
main.log.info("There are no devices to get id from")
return id_list
#Split the string into list by comma
device_list = devices_str.split(",")
#Get temporary list of all arguments with string 'id='
temp_list = [dev for dev in device_list 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 id_list
for arg in temp_list:
id_list.append(arg.split("id=")[1])
return id_list
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def get_all_nodes_id(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:
nodes_str = self.nodes()
id_list = []
if not nodes_str:
main.log.info("There are no nodes to get id from")
return id_list
#Sample nodes_str output
#id=local, address=127.0.0.1:9876, state=ACTIVE *
#Split the string into list by comma
nodes_list = nodes_str.split(",")
temp_list = [node for node in nodes_list if "id=" in node]
for arg in temp_list:
id_list.append(arg.split("id=")[1])
return id_list
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def get_device(self, dpid=None):
'''
Return the first device from the devices api whose 'id' contains 'dpid'
Return None if there is no match
'''
import json
try:
if dpid == None:
return None
else:
dpid = dpid.replace(':', '')
raw_devices = self.devices()
devices_json = json.loads(raw_devices)
#search json for the device with dpid then return the device
for device in devices_json:
#print "%s in %s?" % (dpid, device['id'])
if dpid in device['id']:
return device
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def check_status(self, ip, numoswitch, numolink, log_level="info"):
'''
Checks the number of swithes & links that ONOS sees against the
supplied values. By default this will report to main.log, but the
log level can be specifid.
Params: ip = ip used for the onos cli
numoswitch = expected number of switches
numlink = expected number of links
log_level = level to log to. Currently accepts 'info', 'warn' and 'report'
log_level can
Returns: main.TRUE if the number of switchs and links are correct,
main.FALSE if the numer of switches and links is incorrect,
and main.ERROR otherwise
'''
try:
topology = self.get_topology(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 == False or links == False:
return main.ERROR
switch_check = ( int(devices) == int(numoswitch) )
#Is the number of links is what we expected
link_check = ( int(links) == int(numolink) )
if (switch_check and link_check):
#We expected the correct numbers
output = output + "The number of links and switches match "\
+ "what was expected"
result = main.TRUE
else:
output = 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 log_level == "report":
main.log.report(output)
elif log_level == "warn":
main.log.warn(output)
else:
main.log.info(output)
return result
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.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
def device_role(self, device_id, onos_node, role="master"):
'''
Calls the device-role cli command.
device_id must be the id of a device as seen in the onos devices command
onos_node 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 argument varification.
When device-role supports errors this should be extended to
support that output
'''
try:
#print "beginning device_role... \n\tdevice_id:" + device_id
#print "\tonos_node: " + onos_node
#print "\trole: "+ role
if role.lower() == "master" or \
role.lower() == "standby" or \
role.lower() == "none":
self.handle.sendline("")
self.handle.expect("onos>")
self.handle.sendline("device-role " +
str(device_id) + " " +
str(onos_node) + " " +
str(role))
i= self.handle.expect(["Error","onos>"])
if i == 0:
output = str(self.handle.before)
self.handle.expect("onos>")
output = output + str(self.handle.before)
main.log.error(self.name + ": " +
output + '\033[0m')#end color output to escape any colours from the cli
return main.ERROR
self.handle.sendline("")
self.handle.expect("onos>")
return main.TRUE
else:
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:
main.log.info(self.name+" ::::::")
main.log.error( traceback.print_exc())
main.log.info(self.name+" ::::::")
main.cleanup()
main.exit()
#***********************************