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Optimize IP OSPF Parsers #780

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2abfdda
sh ip ospf int optimization
virrsa May 26, 2023
3131b45
added changelog for show ip ospf interface
virrsa May 29, 2023
0eb1a58
optimized show ip ospf neighbours detail parser
virrsa May 29, 2023
fd4123a
Merge branch 'CiscoTestAutomation:master' into ipOspfOptimization
virrsa May 29, 2023
3953ccc
Merge branch 'CiscoTestAutomation:master' into ipOspfOptimization
virrsa Aug 18, 2023
111b282
regex match adjustments
virrsa Aug 18, 2023
9e47d44
updated changelog
virrsa Aug 18, 2023
89e4ae7
removed commented lines
virrsa Sep 18, 2023
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8 changes: 8 additions & 0 deletions changelog/undistributed/changelog_show_ip_ospf_iosxe_20230529110227.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
--------------------------------------------------------------------------------
Fix
--------------------------------------------------------------------------------
* IOSXE
* Modified ShowIpOspfInterface:
* Optimized parser by having it call additional commands once rather than call them for every instance, interface, etc...
* Modified ShowIpOspfNeighborDetail
* Optimized parser by having it call additional commands once rather than call them for every instance, interface, etc...
102 changes: 55 additions & 47 deletions src/genie/libs/parser/iosxe/show_ospf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1933,6 +1933,18 @@ def cli(self, interface=None, output=None):
# TE Opaque LSA: Source of link information OSPF
p31_1 = re.compile(r'^TE +Opaque +LSA: +(?P<te_opaque_lsa>[\S\s]+)$')

# Parse additional commands that are needed
cmd = 'show running-config | section router ospf'
ospf_out = self.device.execute(cmd)
cmd = 'show running-config | i virtual-link'
vl_out = self.device.execute(cmd)
cmd = 'show running-config | i sham-link'
sl_out = self.device.execute(cmd)
cmd = 'show ip ospf virtual-links'
ospfvl_out = self.device.execute(cmd)
cmd = 'show ip ospf sham-links'
ospfsl_out = self.device.execute(cmd)

for line in out.splitlines():
line = line.strip()

Expand Down Expand Up @@ -2004,10 +2016,7 @@ def cli(self, interface=None, output=None):
vl_transit_area_id = None

# Execute command to get virtual-link address
cmd = 'show ip ospf virtual-links | i {interface}'.format(interface=interface)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in ospfvl_out.splitlines():
line = line.rstrip()
# Virtual Link OSPF_VL0 to router 10.100.5.5 is down
p = re.search('Virtual +Link +(?P<intf>(\S+)) +to +router'
Expand All @@ -2020,10 +2029,7 @@ def cli(self, interface=None, output=None):

# Execute command to get virtual-link transit_area_id
if vl_addr is not None:
cmd = 'show running-config | i virtual-link | i {addr}'.format(addr=vl_addr)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in vl_out.splitlines():
line = line.rstrip()
# area 1 virtual-link 10.100.5.5
q = re.search('area +(?P<q_area>(\d+)) +virtual-link'
Expand All @@ -2045,10 +2051,7 @@ def cli(self, interface=None, output=None):
sl_remote_id = None

# Execute command to get sham-link remote_id
cmd = 'show ip ospf sham-links | i {interface}'.format(interface=interface)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in ospfsl_out.splitlines():
line = line.rstrip()
# Sham Link OSPF_SL1 to address 10.151.22.22 is up
p = re.search('Sham +Link +(?P<intf>(\S+)) +to +address'
Expand All @@ -2060,10 +2063,8 @@ def cli(self, interface=None, output=None):

# Execute command to get sham-link local_id
if sl_remote_id is not None:
cmd = 'show running-config | i sham-link | i {remote}'.format(remote=sl_remote_id)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in sl_out.splitlines():
line = line.rstrip()
# area 1 sham-link 10.229.11.11 10.151.22.22 cost 111 ttl-security hops 3
q = re.search('area +(?P<q_area>(\d+)) +sham-link'
Expand All @@ -2083,10 +2084,8 @@ def cli(self, interface=None, output=None):
intf_name = '{} {}'.format(sl_local_id, sl_remote_id)

# Get VRF information based on OSPF instance
cmd = 'show running-config | section router ospf {}'.format(instance)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in ospf_out.splitlines():
line = line.rstrip()

# Skip the show command line so as to not match
Expand Down Expand Up @@ -4306,6 +4305,20 @@ def cli(self, neighbor='', output=None):
' +(?P<num2>(\d+)) +msec$')

p13 = re.compile(r'^SR +adj +label +(?P<sr_adj_label>\d+)$')

# Parse additional commands that are needed
cmd = 'show running-config | section router ospf'
ospf_out = self.device.execute(cmd)
cmd = 'show running-config | i virtual-link'
vl_out = self.device.execute(cmd)
cmd = 'show running-config | i sham-link'
sl_out = self.device.execute(cmd)
cmd = 'show ip ospf virtual-links'
ospfvl_out = self.device.execute(cmd)
cmd = 'show ip ospf sham-links'
ospfsl_out = self.device.execute(cmd)
cmd = 'show ip ospf interface'
ospfint_out = self.device.execute(cmd)

for line in out.splitlines():
line = line.strip()
Expand All @@ -4331,26 +4344,33 @@ def cli(self, neighbor='', output=None):
router_id = None
bfd_state = m.groupdict().get('bfd_state', None)
# Get OSPF process ID from 'show ip ospf interface'
cmd = 'show ip ospf interface {}'.format(interface)
out = self.device.execute(cmd)
flag = False

for line in out.splitlines():
for line in ospfint_out.splitlines():
line = line.rstrip()

p = re.search('^(?P<interface>(\S+)) +is( +administratively)?'
' +(?P<enable>(unknown|up|down)), +line +protocol'
' +is +(?P<line_protocol>(up|down))'
'(?: +\(\S+\))?$', line)

# Process ID 2, Router ID 10.229.11.11, Network Type SHAM_LINK, Cost: 111
p = re.search('Process +ID +(?P<instance>(\S+)), +Router +ID'
' +(?P<router_id>(\S+)) +(.*)', line)
if p:
instance = str(p.groupdict()['instance'])
router_id = str(p.groupdict()['router_id'])
break
p_interface = str(p.groupdict()['interface'])
if (p_interface == interface):
flag = True

if (flag == True):
# Process ID 2, Router ID 10.229.11.11, Network Type SHAM_LINK, Cost: 111
p = re.search('Process +ID +(?P<instance>(\S+)), +Router +ID +(?P<router_id>(\S+)) +(.*)', line)
if p:
flag = False
instance = str(p.groupdict()['instance'])
router_id = str(p.groupdict()['router_id'])
break

# Get VRF information using the ospf instance
if instance is not None:
cmd = 'show running-config | section router ospf {}'.format(instance)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in ospf_out.splitlines():
line = line.rstrip()

# Skip the show command line so as to not match
Expand Down Expand Up @@ -4395,10 +4415,7 @@ def cli(self, neighbor='', output=None):
vl_transit_area_id = None

# Execute command to get virtual-link address
cmd = 'show ip ospf virtual-links | i {interface}'.format(interface=interface)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in ospfvl_out.splitlines():
line = line.rstrip()
# Virtual Link OSPF_VL0 to router 10.100.5.5 is down
p = re.search('Virtual +Link +(?P<intf>(\S+)) +to +router'
Expand All @@ -4411,10 +4428,7 @@ def cli(self, neighbor='', output=None):

# Execute command to get virtual-link transit_area_id
if vl_addr is not None and router_id is not None:
cmd = 'show running-config | i virtual-link | i {addr}'.format(addr=vl_addr)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in vl_out.splitlines():
line = line.rstrip()
# area 1 virtual-link 10.100.5.5
q = re.search('area +(?P<q_area>(\d+)) +virtual-link'
Expand All @@ -4436,10 +4450,7 @@ def cli(self, neighbor='', output=None):
sl_remote_id = None

# Execute command to get sham-link remote_id
cmd = 'show ip ospf sham-links | i {interface}'.format(interface=interface)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in ospfsl_out.splitlines():
line = line.rstrip()
# Sham Link OSPF_SL1 to address 10.151.22.22 is up
p = re.search('Sham +Link +(?P<intf>(\S+)) +to +address'
Expand All @@ -4451,10 +4462,7 @@ def cli(self, neighbor='', output=None):

# Execute command to get sham-link local_id
if sl_remote_id is not None:
cmd = 'show running-config | i sham-link | i {remote}'.format(remote=sl_remote_id)
out = self.device.execute(cmd)

for line in out.splitlines():
for line in sl_out.splitlines():
line = line.rstrip()
# area 1 sham-link 10.229.11.11 10.151.22.22 cost 111 ttl-security hops 3
q = re.search('area +(?P<q_area>(\d+)) +sham-link'
Expand Down