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Merge pull request #8683 from kuldeepkash/bgp_gshut
tests: Add bgp_gshut_topo1 test suite
This commit is contained in:
Russ White
GitHub
commit
3d7bd27619
221
tests/topotests/bgp_gshut_topo1/ebgp_gshut_topo1.json
Normal file
221
tests/topotests/bgp_gshut_topo1/ebgp_gshut_topo1.json
Normal file
@ -0,0 +1,221 @@
|
||||
{
|
||||
"ipv4base": "10.0.0.0",
|
||||
"ipv4mask": 24,
|
||||
"ipv6base": "fd00::",
|
||||
"ipv6mask": 64,
|
||||
"link_ip_start": {
|
||||
"ipv4": "10.0.1.0",
|
||||
"v4mask": 24,
|
||||
"ipv6": "fd00::",
|
||||
"v6mask": 64
|
||||
},
|
||||
"lo_prefix": {
|
||||
"ipv4": "1.0.",
|
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"v4mask": 32,
|
||||
"ipv6": "2001:DB8:F::",
|
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"v6mask": 128
|
||||
},
|
||||
"routers": {
|
||||
"r1": {
|
||||
"links": {
|
||||
"r2": {"ipv4": "auto", "ipv6": "auto"},
|
||||
"r3": {"ipv4": "auto", "ipv6": "auto"}
|
||||
},
|
||||
"bgp": {
|
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"local_as": "100",
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"redistribute": [
|
||||
{"redist_type": "static"}
|
||||
],
|
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"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r1": {
|
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"keepalivetimer": 1,
|
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"holddowntimer": 3
|
||||
}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"keepalivetimer": 1,
|
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"holddowntimer": 3
|
||||
}
|
||||
}
|
||||
}
|
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}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"redistribute": [
|
||||
{"redist_type": "static"}
|
||||
],
|
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"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
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"r1": {
|
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"keepalivetimer": 1,
|
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"holddowntimer": 3
|
||||
}
|
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}
|
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},
|
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"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"keepalivetimer": 1,
|
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"holddowntimer": 3
|
||||
}
|
||||
}
|
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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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"static_routes":[
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{
|
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"network":"100.0.10.1/32",
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"no_of_ip":5,
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"next_hop":"Null0"
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},
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{
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"network":"1::1/128",
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"no_of_ip":5,
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"next_hop":"Null0"
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}]
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},
|
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"r2": {
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"links": {
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"r1": {"ipv4": "auto", "ipv6": "auto"},
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"r4": {"ipv4": "auto", "ipv6": "auto"}
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},
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"bgp": {
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"local_as": "200",
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"address_family": {
|
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"ipv4": {
|
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"unicast": {
|
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"neighbor": {
|
||||
"r1": {
|
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"dest_link": {
|
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"r2": {}
|
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}
|
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},
|
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"r4": {
|
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"dest_link": {
|
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"r2": {}
|
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}
|
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}
|
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}
|
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}
|
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},
|
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"ipv6": {
|
||||
"unicast": {
|
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"neighbor": {
|
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"r1": {
|
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"dest_link": {
|
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"r2": {}
|
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}
|
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},
|
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"r4": {
|
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"dest_link": {
|
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"r2": {}
|
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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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},
|
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"r3": {
|
||||
"links": {
|
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"r1": {"ipv4": "auto", "ipv6": "auto"},
|
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"r4": {"ipv4": "auto", "ipv6": "auto"}
|
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},
|
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"bgp": {
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"local_as": "300",
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"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r1": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
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}
|
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}
|
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}
|
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}
|
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},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r1": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"dest_link": {
|
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"r3": {}
|
||||
}
|
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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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"r4": {
|
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"links": {
|
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"r2": {"ipv4": "auto", "ipv6": "auto"},
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"r3": {"ipv4": "auto", "ipv6": "auto"}
|
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},
|
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"bgp": {
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"local_as": "400",
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"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
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}
|
||||
}
|
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}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
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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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}
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}
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}
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221
tests/topotests/bgp_gshut_topo1/ibgp_gshut_topo1.json
Normal file
221
tests/topotests/bgp_gshut_topo1/ibgp_gshut_topo1.json
Normal file
@ -0,0 +1,221 @@
|
||||
{
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"ipv4base": "10.0.0.0",
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||||
"ipv4mask": 24,
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||||
"ipv6base": "fd00::",
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||||
"ipv6mask": 64,
|
||||
"link_ip_start": {
|
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"ipv4": "10.0.1.0",
|
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"v4mask": 24,
|
||||
"ipv6": "fd00::",
|
||||
"v6mask": 64
|
||||
},
|
||||
"lo_prefix": {
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"ipv4": "1.0.",
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"v4mask": 32,
|
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"ipv6": "2001:DB8:F::",
|
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"v6mask": 128
|
||||
},
|
||||
"routers": {
|
||||
"r1": {
|
||||
"links": {
|
||||
"r2": {"ipv4": "auto", "ipv6": "auto"},
|
||||
"r3": {"ipv4": "auto", "ipv6": "auto"}
|
||||
},
|
||||
"bgp": {
|
||||
"local_as": "100",
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||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"redistribute": [
|
||||
{"redist_type": "static"}
|
||||
],
|
||||
"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"keepalivetimer": 1,
|
||||
"holddowntimer": 3
|
||||
}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"keepalivetimer": 1,
|
||||
"holddowntimer": 3
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
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"ipv6": {
|
||||
"unicast": {
|
||||
"redistribute": [
|
||||
{"redist_type": "static"}
|
||||
],
|
||||
"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"keepalivetimer": 1,
|
||||
"holddowntimer": 3
|
||||
}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"keepalivetimer": 1,
|
||||
"holddowntimer": 3
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
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},
|
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"static_routes":[
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{
|
||||
"network":"100.0.10.1/32",
|
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"no_of_ip":5,
|
||||
"next_hop":"Null0"
|
||||
},
|
||||
{
|
||||
"network":"1::1/128",
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||||
"no_of_ip":5,
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||||
"next_hop":"Null0"
|
||||
}]
|
||||
},
|
||||
"r2": {
|
||||
"links": {
|
||||
"r1": {"ipv4": "auto", "ipv6": "auto"},
|
||||
"r4": {"ipv4": "auto", "ipv6": "auto"}
|
||||
},
|
||||
"bgp": {
|
||||
"local_as": "100",
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||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r1": {
|
||||
"dest_link": {
|
||||
"r2": {}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"dest_link": {
|
||||
"r2": {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
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"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r1": {
|
||||
"dest_link": {
|
||||
"r2": {}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"dest_link": {
|
||||
"r2": {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"links": {
|
||||
"r1": {"ipv4": "auto", "ipv6": "auto"},
|
||||
"r4": {"ipv4": "auto", "ipv6": "auto"}
|
||||
},
|
||||
"bgp": {
|
||||
"local_as": "100",
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r1": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r1": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"dest_link": {
|
||||
"r3": {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"r4": {
|
||||
"links": {
|
||||
"r2": {"ipv4": "auto", "ipv6": "auto"},
|
||||
"r3": {"ipv4": "auto", "ipv6": "auto"}
|
||||
},
|
||||
"bgp": {
|
||||
"local_as": "200",
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r2": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
||||
},
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r4": {}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
630
tests/topotests/bgp_gshut_topo1/test_ebgp_gshut_topo1.py
Normal file
630
tests/topotests/bgp_gshut_topo1/test_ebgp_gshut_topo1.py
Normal file
@ -0,0 +1,630 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
#
|
||||
# Copyright (c) 2021 by VMware, Inc. ("VMware")
|
||||
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
|
||||
# ("NetDEF") in this file.
|
||||
#
|
||||
# Permission to use, copy, modify, and/or distribute this software
|
||||
# for any purpose with or without fee is hereby granted, provided
|
||||
# that the above copyright notice and this permission notice appear
|
||||
# in all copies.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
|
||||
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
|
||||
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
|
||||
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
||||
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
||||
# OF THIS SOFTWARE.
|
||||
#
|
||||
|
||||
|
||||
"""
|
||||
Following tests are covered to test ecmp functionality on BGP GSHUT.
|
||||
1. Verify graceful-shutdown functionality with eBGP peers
|
||||
2. Verify graceful-shutdown functionality when daemons
|
||||
bgpd/zebra/staticd and frr services are restarted with eBGP peers
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import time
|
||||
import json
|
||||
import pytest
|
||||
|
||||
# Save the Current Working Directory to find configuration files.
|
||||
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||
sys.path.append(os.path.join(CWD, "../"))
|
||||
sys.path.append(os.path.join(CWD, "../../"))
|
||||
|
||||
# pylint: disable=C0413
|
||||
# Import topogen and topotest helpers
|
||||
from lib.topogen import Topogen, get_topogen
|
||||
from mininet.topo import Topo
|
||||
from time import sleep
|
||||
|
||||
from lib.common_config import (
|
||||
start_topology,
|
||||
write_test_header,
|
||||
write_test_footer,
|
||||
verify_rib,
|
||||
create_static_routes,
|
||||
check_address_types,
|
||||
interface_status,
|
||||
reset_config_on_routers,
|
||||
step,
|
||||
get_frr_ipv6_linklocal,
|
||||
kill_router_daemons,
|
||||
start_router_daemons,
|
||||
stop_router,
|
||||
start_router,
|
||||
create_route_maps,
|
||||
create_bgp_community_lists,
|
||||
delete_route_maps,
|
||||
required_linux_kernel_version,
|
||||
)
|
||||
from lib.topolog import logger
|
||||
from lib.bgp import (
|
||||
verify_bgp_convergence,
|
||||
create_router_bgp,
|
||||
clear_bgp,
|
||||
verify_bgp_rib,
|
||||
verify_bgp_attributes,
|
||||
)
|
||||
from lib.topojson import build_topo_from_json, build_config_from_json
|
||||
|
||||
# Reading the data from JSON File for topology and configuration creation
|
||||
jsonFile = "{}/ebgp_gshut_topo1.json".format(CWD)
|
||||
try:
|
||||
with open(jsonFile, "r") as topoJson:
|
||||
topo = json.load(topoJson)
|
||||
except IOError:
|
||||
logger.info("Could not read file:", jsonFile)
|
||||
|
||||
# Global variables
|
||||
NETWORK = {"ipv4": "100.0.10.1/32", "ipv6": "1::1/128"}
|
||||
NEXT_HOP_IP_1 = {"ipv4": "10.0.2.1", "ipv6": "fd00:0:0:1::1"}
|
||||
NEXT_HOP_IP_2 = {"ipv4": "10.0.4.2", "ipv6": "fd00:0:0:3::2"}
|
||||
PREFERRED_NEXT_HOP = "link_local"
|
||||
BGP_CONVERGENCE = False
|
||||
|
||||
|
||||
class GenerateTopo(Topo):
|
||||
"""
|
||||
Test topology builder
|
||||
|
||||
* `Topo`: Topology object
|
||||
"""
|
||||
|
||||
def build(self, *_args, **_opts):
|
||||
"Build function"
|
||||
tgen = get_topogen(self)
|
||||
|
||||
# This function only purpose is to create topology
|
||||
# as defined in input json file.
|
||||
#
|
||||
# Create topology (setup module)
|
||||
# Creating 2 routers topology, r1, r2in IBGP
|
||||
# Bring up topology
|
||||
|
||||
# Building topology from json file
|
||||
build_topo_from_json(tgen, topo)
|
||||
|
||||
|
||||
def setup_module(mod):
|
||||
"""
|
||||
Sets up the pytest environment
|
||||
|
||||
* `mod`: module name
|
||||
"""
|
||||
|
||||
global ADDR_TYPES
|
||||
|
||||
# Required linux kernel version for this suite to run.
|
||||
result = required_linux_kernel_version("4.16")
|
||||
if result is not True:
|
||||
pytest.skip("Kernel requirements are not met")
|
||||
|
||||
testsuite_run_time = time.asctime(time.localtime(time.time()))
|
||||
logger.info("Testsuite start time: {}".format(testsuite_run_time))
|
||||
logger.info("=" * 40)
|
||||
|
||||
logger.info("Running setup_module to create topology")
|
||||
|
||||
# This function initiates the topology build with Topogen...
|
||||
tgen = Topogen(GenerateTopo, mod.__name__)
|
||||
# ... and here it calls Mininet initialization functions.
|
||||
|
||||
# Starting topology, create tmp files which are loaded to routers
|
||||
# to start deamons and then start routers
|
||||
start_topology(tgen)
|
||||
|
||||
# Creating configuration from JSON
|
||||
build_config_from_json(tgen, topo)
|
||||
|
||||
# Don't run this test if we have any failure.
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
# Api call verify whether BGP is converged
|
||||
ADDR_TYPES = check_address_types()
|
||||
|
||||
BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
|
||||
assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
|
||||
BGP_CONVERGENCE
|
||||
)
|
||||
|
||||
logger.info("Running setup_module() done")
|
||||
|
||||
|
||||
def teardown_module():
|
||||
"""
|
||||
Teardown the pytest environment.
|
||||
|
||||
* `mod`: module name
|
||||
"""
|
||||
|
||||
logger.info("Running teardown_module to delete topology")
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
# Stop toplogy and Remove tmp files
|
||||
tgen.stop_topology()
|
||||
|
||||
|
||||
###########################
|
||||
# Local APIs
|
||||
###########################
|
||||
|
||||
|
||||
def next_hop_per_address_family(
|
||||
tgen, dut, peer, addr_type, next_hop_dict, preferred_next_hop=PREFERRED_NEXT_HOP
|
||||
):
|
||||
"""
|
||||
This function returns link_local or global next_hop per address-family
|
||||
"""
|
||||
|
||||
intferface = topo["routers"][peer]["links"]["{}".format(dut)]["interface"]
|
||||
if addr_type == "ipv6" and "link_local" in preferred_next_hop:
|
||||
next_hop = get_frr_ipv6_linklocal(tgen, peer, intf=intferface)
|
||||
else:
|
||||
next_hop = next_hop_dict[addr_type]
|
||||
|
||||
return next_hop
|
||||
|
||||
|
||||
###########################
|
||||
# TESTCASES
|
||||
###########################
|
||||
|
||||
|
||||
def test_verify_graceful_shutdown_functionality_with_eBGP_peers_p0(request):
|
||||
"""
|
||||
Verify graceful-shutdown functionality with eBGP peers
|
||||
"""
|
||||
|
||||
tc_name = request.node.name
|
||||
write_test_header(tc_name)
|
||||
tgen = get_topogen()
|
||||
reset_config_on_routers(tgen)
|
||||
|
||||
step("Done in base config: Configure base config as per the topology")
|
||||
step("Base config should be up, verify using BGP convergence")
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Done in base config: Advertise prefixes from R1")
|
||||
step("Verify BGP routes are received at R3 with best path from R3 to R1")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r3"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r3", "r1", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r3", "r4", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("On R1 configure:")
|
||||
step("Create standard bgp community-list to permit graceful-shutdown:")
|
||||
input_dict_1 = {
|
||||
"r1": {
|
||||
"bgp_community_lists": [
|
||||
{
|
||||
"community_type": "standard",
|
||||
"action": "permit",
|
||||
"name": "GSHUT",
|
||||
"value": "graceful-shutdown",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
||||
result = create_bgp_community_lists(tgen, input_dict_1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Create route-map to set community GSHUT in OUT direction")
|
||||
|
||||
input_dict_2 = {
|
||||
"r1": {
|
||||
"route_maps": {
|
||||
"GSHUT-OUT": [
|
||||
{
|
||||
"action": "permit",
|
||||
"seq_id": "10",
|
||||
"set": {"community": {"num": "graceful-shutdown"}},
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_route_maps(tgen, input_dict_2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
input_dict_3 = {
|
||||
"r1": {
|
||||
"bgp": {
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_router_bgp(tgen, topo, input_dict_3)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step(
|
||||
"FRR is setting local-pref to 0 by-default on receiver GSHUT community, "
|
||||
"below step is not needed, but keeping for reference"
|
||||
)
|
||||
step(
|
||||
"On R3, apply route-map IN direction to match GSHUT community "
|
||||
"and set local-preference to 0."
|
||||
)
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R3 and ensure all the neighbours state "
|
||||
"is established"
|
||||
)
|
||||
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Verify BGP routes on R3:")
|
||||
step("local pref for routes coming from R1 is set to 0.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
rmap_dict = {"r1": {"route_maps": {"GSHUT-OUT": [{"set": {"locPrf": 0}}],}}}
|
||||
|
||||
static_routes = [NETWORK[addr_type]]
|
||||
result = verify_bgp_attributes(
|
||||
tgen, addr_type, dut, static_routes, "GSHUT-OUT", rmap_dict
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Ensure that best path is selected from R4 to R3.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r3"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r3", "r1", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r3", "r4", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
def test_verify_restarting_zebra_bgpd_staticd_frr_with_eBGP_peers_p0(request):
|
||||
"""
|
||||
Verify graceful-shutdown functionality when daemons bgpd/zebra/staticd and
|
||||
frr services are restarted with eBGP peers
|
||||
"""
|
||||
|
||||
tc_name = request.node.name
|
||||
write_test_header(tc_name)
|
||||
tgen = get_topogen()
|
||||
reset_config_on_routers(tgen)
|
||||
|
||||
step("Done in base config: Configure base config as per the topology")
|
||||
step("Base config should be up, verify using BGP convergence")
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Done in base config: Advertise prefixes from R1")
|
||||
step("Verify BGP routes are received at R3 with best path from R3 to R1")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r3"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r3", "r1", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r3", "r4", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("On R1 configure:")
|
||||
step("Create standard bgp community-list to permit graceful-shutdown:")
|
||||
input_dict_1 = {
|
||||
"r1": {
|
||||
"bgp_community_lists": [
|
||||
{
|
||||
"community_type": "standard",
|
||||
"action": "permit",
|
||||
"name": "GSHUT",
|
||||
"value": "graceful-shutdown",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
||||
result = create_bgp_community_lists(tgen, input_dict_1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Create route-map to set community GSHUT in OUT direction")
|
||||
|
||||
input_dict_2 = {
|
||||
"r1": {
|
||||
"route_maps": {
|
||||
"GSHUT-OUT": [
|
||||
{
|
||||
"action": "permit",
|
||||
"seq_id": "10",
|
||||
"set": {"community": {"num": "graceful-shutdown"}},
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_route_maps(tgen, input_dict_2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
input_dict_3 = {
|
||||
"r1": {
|
||||
"bgp": {
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_router_bgp(tgen, topo, input_dict_3)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step(
|
||||
"FRR is setting local-pref to 0 by-default on receiver GSHUT community, "
|
||||
"below step is not needed, but keeping for reference"
|
||||
)
|
||||
step(
|
||||
"On R3, apply route-map IN direction to match GSHUT community "
|
||||
"and set local-preference to 0."
|
||||
)
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R3 and ensure all the neighbours state "
|
||||
"is established"
|
||||
)
|
||||
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Verify BGP routes on R3:")
|
||||
step("local pref for routes coming from R1 is set to 0.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
rmap_dict = {"r1": {"route_maps": {"GSHUT-OUT": [{"set": {"locPrf": 0}}]}}}
|
||||
|
||||
static_routes = [NETWORK[addr_type]]
|
||||
result = verify_bgp_attributes(
|
||||
tgen, addr_type, dut, static_routes, "GSHUT-OUT", rmap_dict
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Ensure that best path is selected from R4 to R3.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r3"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r3", "r1", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r3", "r4", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Restart daemons and frr services")
|
||||
|
||||
for daemon in ["bgpd", "zebra", "staticd", "frr"]:
|
||||
if daemon != "frr":
|
||||
kill_router_daemons(tgen, "r3", ["staticd"])
|
||||
start_router_daemons(tgen, "r3", ["staticd"])
|
||||
else:
|
||||
stop_router(tgen, "r3")
|
||||
start_router(tgen, "r3")
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R3 and ensure all the neighbours state "
|
||||
"is established"
|
||||
)
|
||||
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Verify BGP routes on R3:")
|
||||
step("local pref for routes coming from R1 is set to 0.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
rmap_dict = {"r1": {"route_maps": {"GSHUT-OUT": [{"set": {"locPrf": 0}}]}}}
|
||||
|
||||
static_routes = [NETWORK[addr_type]]
|
||||
result = verify_bgp_attributes(
|
||||
tgen, addr_type, dut, static_routes, "GSHUT-OUT", rmap_dict
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Ensure that best path is selected from R4 to R3.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r3"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r3", "r1", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r3", "r4", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
args = ["-s"] + sys.argv[1:]
|
||||
sys.exit(pytest.main(args))
|
||||
676
tests/topotests/bgp_gshut_topo1/test_ibgp_gshut_topo1.py
Normal file
676
tests/topotests/bgp_gshut_topo1/test_ibgp_gshut_topo1.py
Normal file
@ -0,0 +1,676 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
#
|
||||
# Copyright (c) 2021 by VMware, Inc. ("VMware")
|
||||
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
|
||||
# ("NetDEF") in this file.
|
||||
#
|
||||
# Permission to use, copy, modify, and/or distribute this software
|
||||
# for any purpose with or without fee is hereby granted, provided
|
||||
# that the above copyright notice and this permission notice appear
|
||||
# in all copies.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
|
||||
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
|
||||
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
|
||||
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
||||
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
||||
# OF THIS SOFTWARE.
|
||||
#
|
||||
|
||||
|
||||
"""
|
||||
Following tests are covered to test ecmp functionality on BGP GSHUT.
|
||||
1. Verify graceful-shutdown functionality with iBGP peers
|
||||
2. Verify graceful-shutdown functionality after
|
||||
deleting/re-adding route-map with iBGP peers
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import time
|
||||
import json
|
||||
import pytest
|
||||
|
||||
# Save the Current Working Directory to find configuration files.
|
||||
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||
sys.path.append(os.path.join(CWD, "../"))
|
||||
sys.path.append(os.path.join(CWD, "../../"))
|
||||
|
||||
# pylint: disable=C0413
|
||||
# Import topogen and topotest helpers
|
||||
from lib.topogen import Topogen, get_topogen
|
||||
from mininet.topo import Topo
|
||||
from time import sleep
|
||||
|
||||
from lib.common_config import (
|
||||
start_topology,
|
||||
write_test_header,
|
||||
write_test_footer,
|
||||
verify_rib,
|
||||
create_static_routes,
|
||||
check_address_types,
|
||||
interface_status,
|
||||
reset_config_on_routers,
|
||||
step,
|
||||
get_frr_ipv6_linklocal,
|
||||
kill_router_daemons,
|
||||
start_router_daemons,
|
||||
stop_router,
|
||||
start_router,
|
||||
create_route_maps,
|
||||
create_bgp_community_lists,
|
||||
delete_route_maps,
|
||||
required_linux_kernel_version,
|
||||
)
|
||||
from lib.topolog import logger
|
||||
from lib.bgp import (
|
||||
verify_bgp_convergence,
|
||||
create_router_bgp,
|
||||
clear_bgp,
|
||||
verify_bgp_rib,
|
||||
verify_bgp_attributes,
|
||||
)
|
||||
from lib.topojson import build_topo_from_json, build_config_from_json
|
||||
|
||||
# Reading the data from JSON File for topology and configuration creation
|
||||
jsonFile = "{}/ibgp_gshut_topo1.json".format(CWD)
|
||||
try:
|
||||
with open(jsonFile, "r") as topoJson:
|
||||
topo = json.load(topoJson)
|
||||
except IOError:
|
||||
logger.info("Could not read file:", jsonFile)
|
||||
|
||||
# Global variables
|
||||
NETWORK = {"ipv4": "100.0.10.1/32", "ipv6": "1::1/128"}
|
||||
NEXT_HOP_IP_1 = {"ipv4": "10.0.3.1", "ipv6": "fd00:0:0:3::1"}
|
||||
NEXT_HOP_IP_2 = {"ipv4": "10.0.4.1", "ipv6": "fd00:0:0:2::1"}
|
||||
PREFERRED_NEXT_HOP = "link_local"
|
||||
BGP_CONVERGENCE = False
|
||||
|
||||
|
||||
class GenerateTopo(Topo):
|
||||
"""
|
||||
Test topology builder
|
||||
|
||||
* `Topo`: Topology object
|
||||
"""
|
||||
|
||||
def build(self, *_args, **_opts):
|
||||
"Build function"
|
||||
tgen = get_topogen(self)
|
||||
|
||||
# This function only purpose is to create topology
|
||||
# as defined in input json file.
|
||||
#
|
||||
# Create topology (setup module)
|
||||
# Creating 2 routers topology, r1, r2in IBGP
|
||||
# Bring up topology
|
||||
|
||||
# Building topology from json file
|
||||
build_topo_from_json(tgen, topo)
|
||||
|
||||
|
||||
def setup_module(mod):
|
||||
"""
|
||||
Sets up the pytest environment
|
||||
|
||||
* `mod`: module name
|
||||
"""
|
||||
|
||||
global ADDR_TYPES
|
||||
|
||||
# Required linux kernel version for this suite to run.
|
||||
result = required_linux_kernel_version("4.16")
|
||||
if result is not True:
|
||||
pytest.skip("Kernel requirements are not met")
|
||||
|
||||
testsuite_run_time = time.asctime(time.localtime(time.time()))
|
||||
logger.info("Testsuite start time: {}".format(testsuite_run_time))
|
||||
logger.info("=" * 40)
|
||||
|
||||
logger.info("Running setup_module to create topology")
|
||||
|
||||
# This function initiates the topology build with Topogen...
|
||||
tgen = Topogen(GenerateTopo, mod.__name__)
|
||||
# ... and here it calls Mininet initialization functions.
|
||||
|
||||
# Starting topology, create tmp files which are loaded to routers
|
||||
# to start deamons and then start routers
|
||||
start_topology(tgen)
|
||||
|
||||
# Creating configuration from JSON
|
||||
build_config_from_json(tgen, topo)
|
||||
|
||||
# Don't run this test if we have any failure.
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
# Api call verify whether BGP is converged
|
||||
ADDR_TYPES = check_address_types()
|
||||
|
||||
BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
|
||||
assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
|
||||
BGP_CONVERGENCE
|
||||
)
|
||||
|
||||
logger.info("Running setup_module() done")
|
||||
|
||||
|
||||
def teardown_module():
|
||||
"""
|
||||
Teardown the pytest environment.
|
||||
|
||||
* `mod`: module name
|
||||
"""
|
||||
|
||||
logger.info("Running teardown_module to delete topology")
|
||||
|
||||
tgen = get_topogen()
|
||||
|
||||
# Stop toplogy and Remove tmp files
|
||||
tgen.stop_topology()
|
||||
|
||||
|
||||
###########################
|
||||
# Local APIs
|
||||
###########################
|
||||
|
||||
|
||||
def next_hop_per_address_family(
|
||||
tgen, dut, peer, addr_type, next_hop_dict, preferred_next_hop=PREFERRED_NEXT_HOP
|
||||
):
|
||||
"""
|
||||
This function returns link_local or global next_hop per address-family
|
||||
"""
|
||||
|
||||
intferface = topo["routers"][peer]["links"]["{}".format(dut)]["interface"]
|
||||
if addr_type == "ipv6" and "link_local" in preferred_next_hop:
|
||||
next_hop = get_frr_ipv6_linklocal(tgen, peer, intf=intferface)
|
||||
else:
|
||||
next_hop = next_hop_dict[addr_type]
|
||||
|
||||
return next_hop
|
||||
|
||||
|
||||
###########################
|
||||
# TESTCASES
|
||||
###########################
|
||||
|
||||
|
||||
def test_verify_graceful_shutdown_functionality_with_iBGP_peers_p0(request):
|
||||
"""
|
||||
Verify graceful-shutdown functionality with iBGP peers
|
||||
"""
|
||||
|
||||
tc_name = request.node.name
|
||||
write_test_header(tc_name)
|
||||
tgen = get_topogen()
|
||||
reset_config_on_routers(tgen)
|
||||
|
||||
step("Done in base config: Configure base config as per the topology")
|
||||
step("Base config should be up, verify using BGP convergence")
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Done in base config: Advertise prefixes from R1")
|
||||
step("Verify BGP routes are received at R4 with best path from R3 to R1")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r4"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r4", "r2", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r4", "r3", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("On R1 configure:")
|
||||
step("Create standard bgp community-list to permit graceful-shutdown:")
|
||||
input_dict_1 = {
|
||||
"r1": {
|
||||
"bgp_community_lists": [
|
||||
{
|
||||
"community_type": "standard",
|
||||
"action": "permit",
|
||||
"name": "GSHUT",
|
||||
"value": "graceful-shutdown",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
||||
result = create_bgp_community_lists(tgen, input_dict_1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Create route-map to set community GSHUT in OUT direction")
|
||||
|
||||
input_dict_2 = {
|
||||
"r1": {
|
||||
"route_maps": {
|
||||
"GSHUT-OUT": [
|
||||
{
|
||||
"action": "permit",
|
||||
"seq_id": "10",
|
||||
"set": {"community": {"num": "graceful-shutdown"}},
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_route_maps(tgen, input_dict_2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
input_dict_3 = {
|
||||
"r1": {
|
||||
"bgp": {
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_router_bgp(tgen, topo, input_dict_3)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step(
|
||||
"FRR is setting local-pref to 0 by-default on receiver GSHUT community, "
|
||||
"below step is not needed, but keeping for reference"
|
||||
)
|
||||
step(
|
||||
"On R3, apply route-map IN direction to match GSHUT community "
|
||||
"and set local-preference to 0."
|
||||
)
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R4 and ensure all the neighbours state "
|
||||
"is established"
|
||||
)
|
||||
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Verify BGP routes on R4:")
|
||||
step("local pref for routes coming from R1 is set to 0.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
rmap_dict = {"r1": {"route_maps": {"GSHUT-OUT": [{"set": {"locPrf": 0}}],}}}
|
||||
|
||||
static_routes = [NETWORK[addr_type]]
|
||||
result = verify_bgp_attributes(
|
||||
tgen, addr_type, dut, static_routes, "GSHUT-OUT", rmap_dict
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Ensure that best path is selected from R4 to R3.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r4"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r4", "r2", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r4", "r3", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
def test_verify_deleting_re_adding_route_map_with_iBGP_peers_p0(request):
|
||||
"""
|
||||
Verify graceful-shutdown functionality after deleting/re-adding route-map
|
||||
with iBGP peers
|
||||
"""
|
||||
|
||||
tc_name = request.node.name
|
||||
write_test_header(tc_name)
|
||||
tgen = get_topogen()
|
||||
reset_config_on_routers(tgen)
|
||||
|
||||
step("Done in base config: Configure base config as per the topology")
|
||||
step("Base config should be up, verify using BGP convergence")
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Done in base config: Advertise prefixes from R1")
|
||||
step("Verify BGP routes are received at R4 with best path from R3 to R1")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r4"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r4", "r2", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r4", "r3", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("On R1 configure:")
|
||||
step("Create standard bgp community-list to permit graceful-shutdown:")
|
||||
input_dict_1 = {
|
||||
"r1": {
|
||||
"bgp_community_lists": [
|
||||
{
|
||||
"community_type": "standard",
|
||||
"action": "permit",
|
||||
"name": "GSHUT",
|
||||
"value": "graceful-shutdown",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
|
||||
result = create_bgp_community_lists(tgen, input_dict_1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Create route-map to set community GSHUT in OUT direction")
|
||||
|
||||
input_dict_2 = {
|
||||
"r1": {
|
||||
"route_maps": {
|
||||
"GSHUT-OUT": [
|
||||
{
|
||||
"action": "permit",
|
||||
"seq_id": "10",
|
||||
"set": {"community": {"num": "graceful-shutdown"}},
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_route_maps(tgen, input_dict_2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
input_dict_3 = {
|
||||
"r1": {
|
||||
"bgp": {
|
||||
"address_family": {
|
||||
"ipv4": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
"ipv6": {
|
||||
"unicast": {
|
||||
"neighbor": {
|
||||
"r3": {
|
||||
"dest_link": {
|
||||
"r1": {
|
||||
"route_maps": [
|
||||
{
|
||||
"name": "GSHUT-OUT",
|
||||
"direction": "out",
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_router_bgp(tgen, topo, input_dict_3)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step(
|
||||
"FRR is setting local-pref to 0 by-default on receiver GSHUT community, "
|
||||
"below step is not needed, but keeping for reference"
|
||||
)
|
||||
step(
|
||||
"On R3, apply route-map IN direction to match GSHUT community "
|
||||
"and set local-preference to 0."
|
||||
)
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R4 and ensure all the neighbours state "
|
||||
"is established"
|
||||
)
|
||||
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Verify BGP routes on R4:")
|
||||
step("local pref for routes coming from R1 is set to 0.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
rmap_dict = {"r1": {"route_maps": {"GSHUT-OUT": [{"set": {"locPrf": 0}}],}}}
|
||||
|
||||
static_routes = [NETWORK[addr_type]]
|
||||
result = verify_bgp_attributes(
|
||||
tgen, addr_type, dut, static_routes, "GSHUT-OUT", rmap_dict
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Ensure that best path is selected from R4 to R3.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r4"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r4", "r2", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r4", "r3", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Delete route-map from R1")
|
||||
del_rmap_dict = {
|
||||
"r1": {
|
||||
"route_maps": {
|
||||
"GSHUT-OUT": [
|
||||
{
|
||||
"action": "permit",
|
||||
"seq_id": "10",
|
||||
"set": {
|
||||
"community": {"num": "graceful-shutdown", "delete": True}
|
||||
},
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
result = create_route_maps(tgen, del_rmap_dict)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R3 and ensure that all neighbor state "
|
||||
"is established"
|
||||
)
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Verify BGP routes on R4:")
|
||||
step("Ensure that best path is selected from R1->R3")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r4"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r4", "r2", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r4", "r3", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(tgen, addr_type, dut, input_topo, next_hop=[next_hop1])
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=[next_hop1])
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Re-add route-map in R1")
|
||||
result = create_route_maps(tgen, input_dict_2)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step(
|
||||
"Verify BGP convergence on R3 and ensure all the neighbours state "
|
||||
"is established"
|
||||
)
|
||||
|
||||
result = verify_bgp_convergence(tgen, topo)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(tc_name, result)
|
||||
|
||||
step("Verify BGP routes on R4:")
|
||||
step("local pref for routes coming from R1 is set to 0.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
rmap_dict = {"r1": {"route_maps": {"GSHUT-OUT": [{"set": {"locPrf": 0}}]}}}
|
||||
|
||||
static_routes = [NETWORK[addr_type]]
|
||||
result = verify_bgp_attributes(
|
||||
tgen, addr_type, dut, static_routes, "GSHUT-OUT", rmap_dict
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
step("Ensure that best path is selected from R4 to R3.")
|
||||
|
||||
for addr_type in ADDR_TYPES:
|
||||
dut = "r4"
|
||||
next_hop1 = next_hop_per_address_family(
|
||||
tgen, "r4", "r2", addr_type, NEXT_HOP_IP_1
|
||||
)
|
||||
next_hop2 = next_hop_per_address_family(
|
||||
tgen, "r4", "r3", addr_type, NEXT_HOP_IP_2
|
||||
)
|
||||
|
||||
input_topo = {key: topo["routers"][key] for key in ["r1"]}
|
||||
result = verify_bgp_rib(
|
||||
tgen, addr_type, dut, input_topo, next_hop=[next_hop1, next_hop2]
|
||||
)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
result = verify_rib(tgen, addr_type, dut, input_topo, next_hop=next_hop1)
|
||||
assert result is True, "Test case {} : Failed \n Error: {}".format(
|
||||
tc_name, result
|
||||
)
|
||||
|
||||
write_test_footer(tc_name)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
args = ["-s"] + sys.argv[1:]
|
||||
sys.exit(pytest.main(args))
|
||||
Loading…
Reference in New Issue
Block a user