def bash_delete_tag(self, node, intf, soft_error=True):
"""
Function to remove the vlan tag from the host eth interfaces.
Note: soft_error=True because in the common use case, we
just want to log the error but not trigger failure.
"""
t = test.Test()
n = t.node(node)
try:
n.sudo("vconfig rem %s" % intf)
except:
output = helpers.exception_info_value()
helpers.log("Output: %s" % output)
# Catch error:
# ERROR: trying to remove VLAN -:eth1.20:- error: No such device
if helpers.any_match(str(output), r'error: No such devices'):
helpers.test_error(
"vconfig rem error - no such device '%s'" % intf,
soft_error)
return False
else:
helpers.test_error(
'Uncaught exception:\n%s' % helpers.exception_info(),
soft_error)
return False
return True
def mininet_bugreport(self):
t = test.Test()
mn = t.mininet()
mn.cli('bugreport')
out = mn.cli_content()
location = helpers.any_match(out, r'Bugreport left at')
helpers.log("Bugreport Location is: %s" % location)
return location
def mininet_ping(self, src, dst, count=5):
t = test.Test()
mn = t.mininet()
mn.cli('%s ping %s -c %s' % (src, dst, count))
out = mn.cli_content()
unreachable = helpers.any_match(out, r'is unreachable')
if unreachable:
helpers.log("Network is unreachable. Assuming 100% packet loss.")
return 100
loss = helpers.any_match(out, r', (\d+)% packet loss')
if loss:
helpers.log("packet loss: %s" % loss)
return loss[0]
helpers.test_error("Uncaught condition")
def mininet_pingall(self):
t = test.Test()
mn = t.mininet()
mn.cli('pingall')
out = mn.cli_content()
drop = helpers.any_match(out, r'Results: (\d+)% dropped')
helpers.log("drop: %s" % drop)
if int(drop[0]) > 0:
helpers.test_failure(drop[0] + "% packet drop")
return out
def mininet_l3_ping(self, src, dst, count=5, options="None"):
t = test.Test()
mn = t.mininet()
if options == "None":
mn.cli('%s ping %s -c %s -W 2' % (src, dst, count))
else:
mn.cli('%s ping %s -c %s -W 2 %s' % (src, dst, count, options))
out = mn.cli_content()
loss = helpers.any_match(out, r', (\d+)% packet loss')
helpers.log("packet loss: %s" % loss)
return loss[0]