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tests: add bgp_l3vpn_hidden topotest
Test that leaving the hidden BGP instance state is working.
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
(cherry picked from commit 118afe4690)
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Louis Scalbert
parent
a634290dc1
commit
5aa0bb5156
0
tests/topotests/bgp_l3vpn_hidden/__init__.py
Normal file
0
tests/topotests/bgp_l3vpn_hidden/__init__.py
Normal file
52
tests/topotests/bgp_l3vpn_hidden/ce1/frr.conf
Normal file
52
tests/topotests/bgp_l3vpn_hidden/ce1/frr.conf
Normal file
@ -0,0 +1,52 @@
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debug bgp neighbor-events
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!
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ip prefix-list PLIST-LAN seq 10 permit 172.20.0.0/16 le 24
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!
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ipv6 prefix-list PLIST-LAN6 seq 10 permit 2001:db8::/32 le 64
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!
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route-map RMAP-LAN permit 10
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match ip address prefix-list PLIST-LAN
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exit
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!
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route-map RMAP-LAN6 permit 10
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match ipv6 address prefix-list PLIST-LAN6
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exit
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!
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interface eth-lan
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ip address 172.20.1.1/24
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ipv6 address 2001:db8:1::ff/64
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exit
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!
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interface eth-pe1
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ip address 172.16.1.254/24
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ipv6 address 3fff:1::ff/64
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exit
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!
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router bgp 65501
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bgp router-id 172.16.1.254
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no bgp ebgp-requires-policy
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bgp bestpath compare-routerid
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neighbor 172.16.1.1 remote-as external
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neighbor 172.16.1.1 bfd profile BGP
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neighbor 3fff:1::1 remote-as external
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neighbor 3fff:1::1 bfd profile BGP
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!
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address-family ipv4 unicast
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redistribute connected route-map RMAP-LAN
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neighbor 172.16.1.1 next-hop-self
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no neighbor 3fff:1::1 activate
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exit-address-family
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!
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address-family ipv6 unicast
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redistribute connected route-map RMAP-LAN6
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neighbor 3fff:1::1 activate
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neighbor 3fff:1::1 next-hop-self
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exit-address-family
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exit
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bfd
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profile BGP
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transmit-interval 2000
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receive-interval 2000
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exit
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!
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exit
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@ -0,0 +1,24 @@
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{
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"vrfName": "default",
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"routerId": "172.16.1.254",
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"localAS": 65501,
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"routes": {
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"172.20.1.0/24": [
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{
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"valid": true,
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"bestpath": true,
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"peerId": "(unspec)",
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"path": "",
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"nexthops": [
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{
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"ip": "0.0.0.0",
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"hostname": "ce1",
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"used": true
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}
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]
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}
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]
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},
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"totalRoutes": 1,
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"totalPaths": 1
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}
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@ -0,0 +1 @@
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show_bgp_ipv4_unicast.json
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@ -0,0 +1 @@
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{}
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@ -0,0 +1,25 @@
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{
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"vrfName": "default",
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"routerId": "172.16.1.254",
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"localAS": 65501,
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"routes": {
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"2001:db8:1::/64": [
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{
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"valid": true,
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"bestpath": true,
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"peerId": "(unspec)",
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"path": "",
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"nexthops": [
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{
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"ip": "::",
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"hostname": "ce1",
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"scope": "global",
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"used": true
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}
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]
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}
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]
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},
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"totalRoutes": 1,
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"totalPaths": 1
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}
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@ -0,0 +1 @@
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show_bgp_ipv6_unicast.json
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@ -0,0 +1 @@
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{}
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24
tests/topotests/bgp_l3vpn_hidden/ce1/show_bgp_summary.json
Normal file
24
tests/topotests/bgp_l3vpn_hidden/ce1/show_bgp_summary.json
Normal file
@ -0,0 +1,24 @@
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{
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"default": {
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"ipv4Unicast": {
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"routerId": "172.16.1.254",
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"peers": {
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"172.16.1.1": {
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"hostname": "pe1",
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"state": "Established"
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}
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},
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"totalPeers": 1
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},
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"ipv6Unicast": {
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"routerId": "172.16.1.254",
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"peers": {
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"3fff:1::1": {
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"hostname": "pe1",
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"state": "Established"
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}
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},
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"totalPeers": 1
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}
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}
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}
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107
tests/topotests/bgp_l3vpn_hidden/pe1/frr.conf
Normal file
107
tests/topotests/bgp_l3vpn_hidden/pe1/frr.conf
Normal file
@ -0,0 +1,107 @@
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mpls label dynamic-block 1000 1048575
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!
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interface lo
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ip address 192.168.0.1/32
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ipv6 address 3fff::192:168:0:1/128
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!
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interface eth-rr1
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ip address 10.0.1.1/24
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!
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interface eth-ce1
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ip address 172.16.1.1/24
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ipv6 address 3fff:1::1/64
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!
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router bgp 65000
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bgp router-id 192.168.0.1
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no bgp ebgp-requires-policy
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no bgp default ipv4-unicast
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neighbor 192.168.0.101 remote-as 65000
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neighbor 192.168.0.101 bfd profile BGP
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neighbor 192.168.0.101 update-source 192.168.0.1
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neighbor 3fff::192:168:0:101 remote-as 65000
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neighbor 3fff::192:168:0:101 bfd profile BGP
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neighbor 3fff::192:168:0:101 update-source 3fff::192:168:0:1
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!
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address-family ipv4 unicast
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no neighbor 192.168.0.101 activate
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exit-address-family
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!
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address-family ipv4 vpn
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neighbor 192.168.0.101 activate
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neighbor 192.168.0.101 soft-reconfiguration inbound
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exit-address-family
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!
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address-family ipv6 vpn
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neighbor 3fff::192:168:0:101 activate
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neighbor 3fff::192:168:0:101 soft-reconfiguration inbound
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exit-address-family
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!
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router bgp 65000 vrf RED
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bgp router-id 192.168.0.1
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no bgp ebgp-requires-policy
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bgp bestpath compare-routerid
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neighbor 172.16.1.254 remote-as external
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neighbor 172.16.1.254 bfd profile BGP
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neighbor 3fff:1::ff remote-as external
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neighbor 3fff:1::ff bfd profile BGP
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!
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address-family ipv4 unicast
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label vpn export 100
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rd vpn export 65000:100
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rt vpn both 65000:100
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export vpn
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import vpn
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neighbor 172.16.1.254 next-hop-self
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no neighbor 3fff:1::ff activate
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exit-address-family
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!
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address-family ipv6 unicast
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label vpn export 200
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rd vpn export 65000:100
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rt vpn both 65000:100
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export vpn
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import vpn
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neighbor 3fff:1::ff activate
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neighbor 3fff:1::ff next-hop-self
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exit-address-family
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exit
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!
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interface lo
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ip router isis 1
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isis hello-interval 2
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ipv6 router isis 1
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!
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interface eth-rr1
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ip router isis 1
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isis hello-interval 2
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ipv6 router isis 1
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!
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router isis 1
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lsp-gen-interval 2
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net 10.0000.0000.0000.0000.0000.0000.0000.0000.0001.00
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metric-style wide
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exit
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!
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mpls ldp
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router-id 192.168.0.1
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!
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address-family ipv4
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discovery transport-address 192.168.0.1
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!
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interface eth-rr1
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!
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address-family ipv6
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discovery transport-address 3fff::192:168:0:1
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!
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interface eth-rr1
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!
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!
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!
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bfd
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profile BGP
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transmit-interval 2000
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receive-interval 2000
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exit
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!
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exit
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29
tests/topotests/bgp_l3vpn_hidden/pe1/show_bgp_ipv4_vpn.json
Normal file
29
tests/topotests/bgp_l3vpn_hidden/pe1/show_bgp_ipv4_vpn.json
Normal file
@ -0,0 +1,29 @@
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{
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"vrfName": "default",
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"routerId": "192.168.0.1",
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"localAS": 65000,
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"routes": {
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"routeDistinguishers": {
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"65000:100": {
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"172.20.1.0/24": [
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{
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"valid": true,
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"bestpath": true,
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"peerId": "(unspec)",
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"path": "65501",
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"nhVrfName": "RED",
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"nexthops": [
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{
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"ip": "172.16.1.254",
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"hostname": "pe1",
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"used": true
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}
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]
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}
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]
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}
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}
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},
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"totalRoutes": 1,
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"totalPaths": 1
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}
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@ -0,0 +1 @@
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{}
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29
tests/topotests/bgp_l3vpn_hidden/pe1/show_bgp_ipv6_vpn.json
Normal file
29
tests/topotests/bgp_l3vpn_hidden/pe1/show_bgp_ipv6_vpn.json
Normal file
@ -0,0 +1,29 @@
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{
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"vrfName": "default",
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"routerId": "192.168.0.1",
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"localAS": 65000,
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"routes": {
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"routeDistinguishers": {
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"65000:100": {
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"2001:db8:1::/64": [
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{
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"valid": true,
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"bestpath": true,
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"peerId": "(unspec)",
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"path": "65501",
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"nhVrfName": "RED",
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"nexthops": [
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{
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"ip": "3fff:1::ff",
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"hostname": "pe1",
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"used": true
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}
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]
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}
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]
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}
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}
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},
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"totalRoutes": 1,
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"totalPaths": 1
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}
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@ -0,0 +1 @@
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{}
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46
tests/topotests/bgp_l3vpn_hidden/pe1/show_bgp_summary.json
Normal file
46
tests/topotests/bgp_l3vpn_hidden/pe1/show_bgp_summary.json
Normal file
@ -0,0 +1,46 @@
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{
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"default": {
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"ipv4Vpn": {
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"routerId": "192.168.0.1",
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"peers": {
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"192.168.0.101": {
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"hostname": "rr1",
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"state": "Established"
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}
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},
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"totalPeers": 1
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},
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"ipv6Vpn": {
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"routerId": "192.168.0.1",
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"peers": {
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"3fff::192:168:0:101": {
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"hostname": "rr1",
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"state": "Established"
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}
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},
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"totalPeers": 1
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}
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},
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"RED": {
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"ipv4Unicast": {
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"routerId": "192.168.0.1",
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"peers": {
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"172.16.1.254": {
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"hostname": "ce1",
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"state": "Established"
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}
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},
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"totalPeers": 1
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},
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"ipv6Unicast": {
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"routerId": "192.168.0.1",
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"peers": {
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"3fff:1::ff": {
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"hostname": "ce1",
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"state": "Established"
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}
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},
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"totalPeers": 1
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}
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}
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}
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79
tests/topotests/bgp_l3vpn_hidden/rr1/frr.conf
Normal file
79
tests/topotests/bgp_l3vpn_hidden/rr1/frr.conf
Normal file
@ -0,0 +1,79 @@
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mpls label dynamic-block 1000 1048575
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!
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interface lo
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ip address 192.168.0.101/32
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ipv6 address 3fff::192:168:0:101/128
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!
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interface eth-pe1
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ip address 10.0.1.101/24
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!
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router bgp 65000
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bgp router-id 192.168.0.101
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bgp cluster-id 192.168.0.101
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bgp log-neighbor-changes
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no bgp default ipv4-unicast
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neighbor PE peer-group
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neighbor PE remote-as 65000
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neighbor PE bfd profile BGP
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neighbor PE update-source 192.168.0.101
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neighbor PE6 peer-group
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neighbor PE6 remote-as 65000
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neighbor PE6 bfd profile BGP
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neighbor PE6 update-source 3fff::192:168:0:101
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neighbor 192.168.0.1 peer-group PE
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neighbor 3fff::192:168:0:1 peer-group PE6
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!
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address-family ipv4 unicast
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no neighbor PE activate
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exit-address-family
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!
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address-family ipv4 vpn
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neighbor PE activate
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neighbor PE route-reflector-client
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neighbor PE soft-reconfiguration inbound
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exit-address-family
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!
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address-family ipv6 vpn
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neighbor PE6 activate
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neighbor PE6 route-reflector-client
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neighbor PE6 soft-reconfiguration inbound
|
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exit-address-family
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!
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!
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interface lo
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ip router isis 1
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isis hello-interval 2
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ipv6 router isis 1
|
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!
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interface eth-pe1
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ip router isis 1
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isis hello-interval 2
|
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ipv6 router isis 1
|
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!
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!
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router isis 1
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lsp-gen-interval 2
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net 10.0000.0000.0000.0000.0000.0000.0000.0000.0100.00
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metric-style wide
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exit
|
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!
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mpls ldp
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router-id 192.168.0.101
|
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!
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address-family ipv4
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discovery transport-address 192.168.0.101
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!
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interface eth-pe1
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!
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address-family ipv6
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discovery transport-address 3fff::192:168:0:101
|
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!
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interface eth-pe1
|
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!
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bfd
|
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profile BGP
|
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transmit-interval 2000
|
||||
receive-interval 2000
|
||||
exit
|
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!
|
||||
exit
|
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28
tests/topotests/bgp_l3vpn_hidden/rr1/show_bgp_ipv4_vpn.json
Normal file
28
tests/topotests/bgp_l3vpn_hidden/rr1/show_bgp_ipv4_vpn.json
Normal file
@ -0,0 +1,28 @@
|
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{
|
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"vrfName": "default",
|
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"routerId": "192.168.0.101",
|
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"localAS": 65000,
|
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"routes": {
|
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"routeDistinguishers": {
|
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"65000:100": {
|
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"172.20.1.0/24": [
|
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{
|
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"valid": true,
|
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"bestpath": true,
|
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"peerId": "192.168.0.1",
|
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"path": "65501",
|
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"nexthops": [
|
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{
|
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"ip": "192.168.0.1",
|
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"hostname": "pe1",
|
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"used": true
|
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}
|
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]
|
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}
|
||||
]
|
||||
}
|
||||
}
|
||||
},
|
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"totalRoutes": 1,
|
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"totalPaths": 1
|
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}
|
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@ -0,0 +1,12 @@
|
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{
|
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"vrfName": "default",
|
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"routerId": "192.168.0.101",
|
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"localAS": 65000,
|
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"routes": {
|
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"routeDistinguishers": {
|
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"65000:100": {}
|
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}
|
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},
|
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"totalRoutes": 0,
|
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"totalPaths": 0
|
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}
|
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28
tests/topotests/bgp_l3vpn_hidden/rr1/show_bgp_ipv6_vpn.json
Normal file
28
tests/topotests/bgp_l3vpn_hidden/rr1/show_bgp_ipv6_vpn.json
Normal file
@ -0,0 +1,28 @@
|
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{
|
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"vrfName": "default",
|
||||
"routerId": "192.168.0.101",
|
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"localAS": 65000,
|
||||
"routes": {
|
||||
"routeDistinguishers": {
|
||||
"65000:100": {
|
||||
"2001:db8:1::/64": [
|
||||
{
|
||||
"valid": true,
|
||||
"bestpath": true,
|
||||
"peerId": "3fff::192:168:0:1",
|
||||
"path": "65501",
|
||||
"nexthops": [
|
||||
{
|
||||
"ip": "3fff::192:168:0:1",
|
||||
"hostname": "pe1",
|
||||
"used": true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
},
|
||||
"totalRoutes": 1,
|
||||
"totalPaths": 1
|
||||
}
|
||||
@ -0,0 +1,12 @@
|
||||
{
|
||||
"vrfName": "default",
|
||||
"routerId": "192.168.0.101",
|
||||
"localAS": 65000,
|
||||
"routes": {
|
||||
"routeDistinguishers": {
|
||||
"65000:100": {}
|
||||
}
|
||||
},
|
||||
"totalRoutes": 0,
|
||||
"totalPaths": 0
|
||||
}
|
||||
24
tests/topotests/bgp_l3vpn_hidden/rr1/show_bgp_summary.json
Normal file
24
tests/topotests/bgp_l3vpn_hidden/rr1/show_bgp_summary.json
Normal file
@ -0,0 +1,24 @@
|
||||
{
|
||||
"default": {
|
||||
"ipv4Vpn": {
|
||||
"routerId": "192.168.0.101",
|
||||
"peers": {
|
||||
"192.168.0.1": {
|
||||
"hostname": "pe1",
|
||||
"state": "Established"
|
||||
}
|
||||
},
|
||||
"totalPeers": 1
|
||||
},
|
||||
"ipv6Vpn": {
|
||||
"routerId": "192.168.0.101",
|
||||
"peers": {
|
||||
"3fff::192:168:0:1": {
|
||||
"hostname": "pe1",
|
||||
"state": "Established"
|
||||
}
|
||||
},
|
||||
"totalPeers": 1
|
||||
}
|
||||
}
|
||||
}
|
||||
287
tests/topotests/bgp_l3vpn_hidden/test_bgp_l3vpn_hidden.py
Normal file
287
tests/topotests/bgp_l3vpn_hidden/test_bgp_l3vpn_hidden.py
Normal file
@ -0,0 +1,287 @@
|
||||
#!/usr/bin/env python
|
||||
# SPDX-License-Identifier: ISC
|
||||
|
||||
|
||||
"""
|
||||
Test BGP hidden
|
||||
See https://github.com/FRRouting/frr/commit/4d0e7a49cf8d4311a485281fa50bbff6ee8ca6cc
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import re
|
||||
import json
|
||||
import pytest
|
||||
import functools
|
||||
|
||||
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||
sys.path.append(os.path.join(CWD, "../"))
|
||||
|
||||
# pylint: disable=C0413
|
||||
from lib import topotest
|
||||
from lib.topolog import logger
|
||||
from lib.topogen import Topogen, TopoRouter, get_topogen
|
||||
from lib.common_config import step
|
||||
|
||||
|
||||
pytestmark = [pytest.mark.bgpd, pytest.mark.bfdd, pytest.mark.isisd, pytest.mark.ldpd]
|
||||
|
||||
|
||||
def build_topo(tgen):
|
||||
"""
|
||||
+---+ +---+ +---+
|
||||
|ce1|---|pe1|---|rr1|
|
||||
+---+ +---+ +---+"""
|
||||
|
||||
def connect_routers(tgen, left, right):
|
||||
for rname in [left, right]:
|
||||
if rname not in tgen.routers().keys():
|
||||
tgen.add_router(rname)
|
||||
|
||||
switch = tgen.add_switch("s-{}-{}".format(left, right))
|
||||
switch.add_link(tgen.gears[left], nodeif="eth-{}".format(right))
|
||||
switch.add_link(tgen.gears[right], nodeif="eth-{}".format(left))
|
||||
if "ce" not in right and "ce" not in left:
|
||||
tgen.gears[left].cmd(f"sysctl net.mpls.conf.eth-{right}.input=1")
|
||||
tgen.gears[right].cmd(f"sysctl net.mpls.conf.eth-{left}.input=1")
|
||||
|
||||
def connect_switchs(tgen, rname, switch):
|
||||
if rname not in tgen.routers().keys():
|
||||
tgen.add_router(rname)
|
||||
|
||||
switch.add_link(tgen.gears[rname], nodeif="eth-{}".format(switch.name))
|
||||
|
||||
def connect_lan(tgen, rname):
|
||||
if rname not in tgen.routers().keys():
|
||||
tgen.add_router(rname)
|
||||
|
||||
# Extra LAN interfaces. Not used for communication with hosts, just to
|
||||
# hold an address we use to inject routes
|
||||
switch = tgen.add_switch("s-{}".format(rname))
|
||||
switch.add_link(tgen.gears[rname], nodeif="eth-lan")
|
||||
|
||||
# directly connected without switch routers
|
||||
connect_routers(tgen, "rr1", "pe1")
|
||||
connect_routers(tgen, "pe1", "ce1")
|
||||
connect_lan(tgen, "ce1")
|
||||
|
||||
|
||||
def setup_module(mod):
|
||||
tgen = Topogen(build_topo, mod.__name__)
|
||||
tgen.start_topology()
|
||||
|
||||
pe1 = tgen.gears["pe1"]
|
||||
pe1.cmd(
|
||||
f"""
|
||||
ip link add RED type vrf table 100
|
||||
ip link set RED up
|
||||
ip link set eth-ce1 master RED
|
||||
"""
|
||||
)
|
||||
|
||||
router_list = tgen.routers()
|
||||
|
||||
for _, (rname, router) in enumerate(router_list.items(), 1):
|
||||
router.load_frr_config(
|
||||
os.path.join(CWD, "{}/frr.conf".format(rname)),
|
||||
[
|
||||
(TopoRouter.RD_ZEBRA, None),
|
||||
(TopoRouter.RD_MGMTD, None),
|
||||
(TopoRouter.RD_BFD, None),
|
||||
(TopoRouter.RD_LDP, None),
|
||||
(TopoRouter.RD_ISIS, None),
|
||||
(TopoRouter.RD_BGP, None),
|
||||
],
|
||||
)
|
||||
|
||||
tgen.start_router()
|
||||
|
||||
|
||||
def teardown_module(mod):
|
||||
tgen = get_topogen()
|
||||
tgen.stop_topology()
|
||||
|
||||
|
||||
def check_bgp_convergence(step=None):
|
||||
"""
|
||||
out was generated using
|
||||
|
||||
FRRGIT=/path/git/frr
|
||||
|
||||
vtysh -c 'show bgp vrf all summary json' | jq . | egrep -v 'ersion|idType|connections|peerState|pfx|outq|inq|msg|As|rib|Count|Memory|Uptime|vrf|\"as|failedPeers|displayedPeers|dynamicPeers' | awk '/ "bestPath": {/ {c=3; next} c-- > 0 {next} 1' | sed -E 's|"totalPeers": (.+),|"totalPeers": \1|g;s|"Established",|"Established"|g' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_summary.json
|
||||
|
||||
vtysh -c 'show bgp ipv4 vpn json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv4_vpn_step1.json
|
||||
vtysh -c 'show bgp ipv6 vpn json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|fe80|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv6_vpn_step1.json
|
||||
|
||||
vtysh -c 'show bgp ipv4 unicast json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv4_unicast.json
|
||||
vtysh -c 'show bgp ipv6 unicast json' | jq . | egrep -v 'selectionReason|pathFrom|prefix|locPrf|ersion|weight|origin|vrfId|afi|defaultLocPrf|network|fe80|nhVrfId|announceNexthopSelf|metric|multipath|linkLocalOnly|length' | jq . >$FRRGIT/tests/topotests/bgp_l3vpn_hidden/$HOSTNAME/show_bgp_ipv6_unicast.json
|
||||
"""
|
||||
tgen = get_topogen()
|
||||
|
||||
logger.info("waiting for bgp convergence")
|
||||
|
||||
step_suffix = f"_step{step}" if step else ""
|
||||
|
||||
if not step:
|
||||
logger.info("Check BGP summary")
|
||||
for rname, router in tgen.routers().items():
|
||||
reffile = os.path.join(CWD, f"{rname}/show_bgp_summary.json")
|
||||
expected = json.loads(open(reffile).read())
|
||||
cmd = "show bgp vrf all summary json"
|
||||
test_func = functools.partial(
|
||||
topotest.router_json_cmp, router, cmd, expected
|
||||
)
|
||||
_, res = topotest.run_and_expect(test_func, None, count=60, wait=1)
|
||||
assertmsg = f"BGP did not converge. Error on {rname} {cmd}"
|
||||
assert res is None, assertmsg
|
||||
|
||||
logger.info("Check BGP IPv4/6 unicast/VPN table")
|
||||
for rname, router in tgen.routers().items():
|
||||
for ipv in [4, 6]:
|
||||
logger.info(f"Check BGP IPv4/6 unicast/VPN table: {rname} IPv{ipv}")
|
||||
safi = "unicast" if "ce" in rname else "vpn"
|
||||
reffile = os.path.join(
|
||||
CWD, f"{rname}/show_bgp_ipv{ipv}_{safi}{step_suffix}.json"
|
||||
)
|
||||
expected = json.loads(open(reffile).read())
|
||||
exact = not expected # exact match if json is void (ie. {})
|
||||
cmd = f"show bgp ipv{ipv} {safi} json"
|
||||
test_func = functools.partial(
|
||||
topotest.router_json_cmp,
|
||||
router,
|
||||
cmd,
|
||||
expected,
|
||||
exact=exact,
|
||||
)
|
||||
_, res = topotest.run_and_expect(test_func, None, count=120, wait=1)
|
||||
assertmsg = f"BGP did not converge. Error on {rname} {cmd}"
|
||||
assert res is None, assertmsg
|
||||
|
||||
|
||||
def configure_bgp(vrf=None, router_name="all", activate=False):
|
||||
tgen = get_topogen()
|
||||
|
||||
vrf_suffix = f" vrf {vrf}" if vrf else ""
|
||||
as_pattern = re.compile(rf"^router bgp (\d+){vrf_suffix}$")
|
||||
|
||||
for rname, router in tgen.routers().items():
|
||||
if router_name != "all" and router_name != rname:
|
||||
continue
|
||||
|
||||
if "ce" in rname:
|
||||
continue
|
||||
|
||||
as_number = ""
|
||||
cmds = []
|
||||
router_bgp = False
|
||||
with open(os.path.join(CWD, f"{rname}/frr.conf"), "r") as f:
|
||||
for line in f:
|
||||
line = line.strip()
|
||||
if "router bgp" in line:
|
||||
match = as_pattern.match(line)
|
||||
if match:
|
||||
as_number = match.group(1)
|
||||
router_bgp = True
|
||||
continue
|
||||
if router_bgp:
|
||||
# If we already hit "router bgp <as_number>" once,
|
||||
# and see another "router bgp" line, break.
|
||||
break
|
||||
if not router_bgp:
|
||||
# Only capture lines after we've matched "router bgp"
|
||||
continue
|
||||
cmds.append(line)
|
||||
|
||||
cfg = "configure terminal\n"
|
||||
if activate:
|
||||
cfg += f"router bgp {as_number}{vrf_suffix}\n"
|
||||
for cmd in cmds:
|
||||
cfg += f"{cmd}\n"
|
||||
else:
|
||||
cfg += f"no router bgp {as_number}{vrf_suffix}\n"
|
||||
|
||||
router.vtysh_cmd(cfg)
|
||||
|
||||
|
||||
def test_bgp_convergence():
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
check_bgp_convergence()
|
||||
|
||||
|
||||
def test_bgp_l3vpn_hidden_step1():
|
||||
"""
|
||||
Remove pe1 router bgp blocks
|
||||
The Default BGP instance becomes hidden
|
||||
"""
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
for vrf in ["RED", None]:
|
||||
configure_bgp(router_name="pe1", vrf=vrf, activate=False)
|
||||
|
||||
check_bgp_convergence(step=1)
|
||||
|
||||
|
||||
def test_bgp_l3vpn_hidden_step2():
|
||||
"""
|
||||
Restore pe1 router bgp blocks
|
||||
"""
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
for vrf in [None, "RED"]:
|
||||
configure_bgp(router_name="pe1", vrf=vrf, activate=True)
|
||||
|
||||
# identical to the intitial step
|
||||
check_bgp_convergence(step=None)
|
||||
|
||||
|
||||
def test_bgp_l3vpn_hidden_step3():
|
||||
"""
|
||||
Remove pe1 router bgp blocks
|
||||
The Default BGP instance becomes hidden
|
||||
"""
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
for vrf in ["RED", None]:
|
||||
configure_bgp(router_name="pe1", vrf=vrf, activate=False)
|
||||
|
||||
# identical to the intitial step 1
|
||||
check_bgp_convergence(step=1)
|
||||
|
||||
|
||||
def test_bgp_l3vpn_hidden_step4():
|
||||
"""
|
||||
Restore pe1 router bgp blocks
|
||||
Reconfigure VRF block first
|
||||
"""
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
for vrf in [None, "RED"]:
|
||||
configure_bgp(router_name="pe1", vrf=vrf, activate=True)
|
||||
|
||||
# identical to the intitial step
|
||||
check_bgp_convergence(step=None)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
args = ["-s"] + sys.argv[1:]
|
||||
sys.exit(pytest.main(args))
|
||||
Loading…
Reference in New Issue
Block a user