diff --git a/bgpd/bgp_snmp_bgp4v2.c b/bgpd/bgp_snmp_bgp4v2.c index 3b499271c8ca..48db73a343ca 100644 --- a/bgpd/bgp_snmp_bgp4v2.c +++ b/bgpd/bgp_snmp_bgp4v2.c @@ -446,6 +446,8 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, size_t afi_len; long prefix_type = 0; long peer_addr_type = 0; + long nrli_index = 1; + long cur_index = 0; /* Bgp4V2AddressFamilyIdentifierTC limited to IPv6 */ if (name[namelen - 1] > IANA_AFI_IPV6) @@ -455,12 +457,17 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, assert(IS_VALID_AFI(afi)); #define BGP_NLRI_ENTRY_OFFSET namelen +#define BGP4V2_NLRI_V4_V4_OFFSET IN_ADDR_SIZE + IN_ADDR_SIZE + 5 +#define BGP4V2_NLRI_V4_V6_OFFSET IN_ADDR_SIZE + IN6_ADDR_SIZE + 5 +#define BGP4V2_NLRI_V6_V6_OFFSET IN6_ADDR_SIZE + IN6_ADDR_SIZE + 5 sockunion_init(&su); if (exact) { - if (*length - namelen != BGP_NLRI_ENTRY_OFFSET) + if (*length - namelen != BGP4V2_NLRI_V4_V4_OFFSET && + *length - namelen != BGP4V2_NLRI_V4_V6_OFFSET && + *length - namelen != BGP4V2_NLRI_V6_V6_OFFSET) return NULL; /* Set OID offset for prefix type */ @@ -504,12 +511,17 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, su.sin.sin_family = family; /* get bgp4V2PeerRemoteAddr*/ - if (family == AF_INET) + if (family == AF_INET) { oid2in_addr(offset, IN_ADDR_SIZE, &su.sin.sin_addr); - else + offset += IN_ADDR_SIZE; + } else { oid2in6_addr(offset, &su.sin6.sin6_addr); + offset += IN6_ADDR_SIZE; + } - /* bgp4V2NlriIndex currently ignored */ + /* bgp4V2NlriIndex */ + nrli_index = *offset; + offset++; /* Lookup node */ dest = bgp_node_lookup(bgp->rib[afi][safi], addr); @@ -517,8 +529,11 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, for (path = bgp_dest_get_bgp_path_info(dest); path; path = path->next) if (sockunion_same(&path->peer->connection->su, - &su)) - return path; + &su)) { + cur_index++; + if (cur_index == nrli_index) + return path; + } bgp_dest_unlock_node(dest); } @@ -573,7 +588,7 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, offsetlen--; /* get node */ - dest = bgp_node_get(bgp->rib[afi][safi], addr); + dest = bgp_node_lookup(bgp->rib[afi][safi], addr); } if (!dest) @@ -593,10 +608,17 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, family = AF_INET6; offset++; - if (family == AF_INET) + if (family == AF_INET) { oid2in_addr(offset, IN_ADDR_SIZE, &paddr.ip._v4_addr); - else + offset += IN_ADDR_SIZE; + } else { oid2in6_addr(offset, &paddr.ip._v6_addr); + offset += IN6_ADDR_SIZE; + } + /* get bgp4V2NlriIndex */ + nrli_index = *offset; + offset++; + } else { /* default case start with ipv4*/ if (afi == AFI_IP) @@ -604,11 +626,13 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, else family = AF_INET6; memset(&paddr.ip, 0, sizeof(paddr.ip)); + nrli_index = 1; } do { min = NULL; min_family = 0; + cur_index = 0; for (path = bgp_dest_get_bgp_path_info(dest); path; path = path->next) { @@ -618,19 +642,44 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, if (path_family < family) continue; - if (family == AF_INET - && IPV4_ADDR_CMP(&paddr.ip._v4_addr, - &path->peer->connection->su.sin.sin_addr) - >= 0) + if (family == AF_INET && + IPV4_ADDR_CMP(&paddr.ip._v4_addr, + &path->peer->connection->su.sin + .sin_addr) > 0) continue; - else if (family == AF_INET6 - && IPV6_ADDR_CMP( - &paddr.ip._v6_addr, - &path->peer->connection->su.sin6.sin6_addr) - >= 0) + else if (family == AF_INET6 && + IPV6_ADDR_CMP(&paddr.ip._v6_addr, + &path->peer->connection->su.sin6 + .sin6_addr) > 0) continue; - /* first valid path its the min*/ + if (family == AF_INET && + IPV4_ADDR_CMP(&paddr.ip._v4_addr, + &path->peer->connection->su.sin + .sin_addr) == 0) { + if (cur_index == nrli_index) { + min = path; + min_family = family; + nrli_index++; + break; + } + cur_index++; + continue; + } else if (family == AF_INET6 && + IPV6_ADDR_CMP(&paddr.ip._v6_addr, + &path->peer->connection->su + .sin6.sin6_addr) == 0) { + if (cur_index == nrli_index) { + min = path; + min_family = family; + nrli_index++; + break; + } + cur_index++; + continue; + } + + /* first valid path its the min peer addr*/ if (!min) { min = path; min_family = path_family; @@ -706,7 +755,7 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, /* Encode bgp4V2NlriIndex*/ - *offset = 1; + *offset = nrli_index; offset++; *length = offset - name; @@ -720,6 +769,7 @@ bgp4v2PathAttrLookup(struct variable *v, oid name[], size_t *length, } memset(&paddr.ip, 0, sizeof(paddr.ip)); + nrli_index = 1; } while ((dest = bgp_route_next(dest))); diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/r1/bgpd.conf b/tests/topotests/bgp_snmp_bgp4v2mib/r1/bgpd.conf index d82a21e1f9fe..144466e418da 100644 --- a/tests/topotests/bgp_snmp_bgp4v2mib/r1/bgpd.conf +++ b/tests/topotests/bgp_snmp_bgp4v2mib/r1/bgpd.conf @@ -1,24 +1,28 @@ ! +!debug bgp updates +! router bgp 65001 no bgp ebgp-requires-policy no bgp network import-check no bgp default ipv4-unicast - neighbor 192.168.12.2 remote-as external - neighbor 192.168.12.2 timers 1 3 - neighbor 192.168.12.2 timers connect 1 - neighbor 2001:db8::12:2 remote-as external - neighbor 2001:db8::12:2 timers 1 3 - neighbor 2001:db8::12:2 timers connect 1 + neighbor 192.168.12.4 remote-as external + neighbor 192.168.12.4 timers 1 3 + neighbor 192.168.12.4 timers connect 1 + neighbor 2001:db8::12:4 remote-as external + neighbor 2001:db8::12:4 timers 1 3 + neighbor 2001:db8::12:4 timers connect 1 ! address-family ipv4 unicast network 10.0.0.0/31 route-map p1 network 10.0.0.2/32 route-map p2 - neighbor 192.168.12.2 activate + neighbor 192.168.12.4 activate + neighbor 192.168.12.4 addpath-tx-all-paths + network 10.10.10.10/32 exit-address-family address-family ipv6 unicast network 2001:db8::1/128 route-map p1 network 2001:db8:1::/56 route-map p2 - neighbor 2001:db8::12:2 activate + neighbor 2001:db8::12:4 activate exit-address-family ! route-map p1 permit 10 @@ -28,4 +32,3 @@ route-map p2 permit 10 set metric 2 set origin incomplete exit -! diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/r2/bgpd.conf b/tests/topotests/bgp_snmp_bgp4v2mib/r2/bgpd.conf index cf0013e1b7a1..55686f407a7f 100644 --- a/tests/topotests/bgp_snmp_bgp4v2mib/r2/bgpd.conf +++ b/tests/topotests/bgp_snmp_bgp4v2mib/r2/bgpd.conf @@ -5,18 +5,20 @@ router bgp 65002 no bgp ebgp-requires-policy no bgp network import-check no bgp default ipv4-unicast - neighbor 192.168.12.1 remote-as external - neighbor 192.168.12.1 timers 1 3 - neighbor 192.168.12.1 timers connect 1 - neighbor 2001:db8::12:1 remote-as external - neighbor 2001:db8::12:1 timers 1 3 - neighbor 2001:db8::12:1 timers connect 1 + neighbor 192.168.12.4 remote-as external + neighbor 192.168.12.4 timers 1 3 + neighbor 192.168.12.4 timers connect 1 + neighbor 2001:db8::12:4 remote-as external + neighbor 2001:db8::12:4 timers 1 3 + neighbor 2001:db8::12:4 timers connect 1 ! address-family ipv4 unicast - neighbor 192.168.12.1 activate + neighbor 192.168.12.4 activate + neighbor 192.168.12.4 addpath-tx-all-paths + exit-address-family address-family ipv6 unicast - neighbor 2001:db8::12:1 activate + neighbor 2001:db8::12:4 activate exit-address-family ! agentx diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/r3/bgpd.conf b/tests/topotests/bgp_snmp_bgp4v2mib/r3/bgpd.conf new file mode 100644 index 000000000000..71dbda0bc137 --- /dev/null +++ b/tests/topotests/bgp_snmp_bgp4v2mib/r3/bgpd.conf @@ -0,0 +1,25 @@ +! +!debug bgp updates +! +router bgp 65003 + no bgp ebgp-requires-policy + no bgp network import-check + no bgp default ipv4-unicast + neighbor 192.168.12.4 remote-as external + neighbor 192.168.12.4 timers 1 3 + neighbor 192.168.12.4 timers connect 1 + neighbor 2001:db8::12:4 remote-as external + neighbor 2001:db8::12:4 timers 1 3 + neighbor 2001:db8::12:4 timers connect 1 + ! + address-family ipv4 unicast + neighbor 192.168.12.4 activate + neighbor 192.168.12.4 addpath-tx-all-paths + network 10.10.10.10/32 + exit-address-family + address-family ipv6 unicast + neighbor 2001:db8::12:4 activate + exit-address-family +! +agentx +! diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/r3/zebra.conf b/tests/topotests/bgp_snmp_bgp4v2mib/r3/zebra.conf new file mode 100644 index 000000000000..398af65ffe57 --- /dev/null +++ b/tests/topotests/bgp_snmp_bgp4v2mib/r3/zebra.conf @@ -0,0 +1,5 @@ +! +interface r3-eth0 + ip address 192.168.12.3/24 + ipv6 address 2001:db8::12:3/64 +! diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/rr/bgpd.conf b/tests/topotests/bgp_snmp_bgp4v2mib/rr/bgpd.conf new file mode 100644 index 000000000000..5ebbde6703fe --- /dev/null +++ b/tests/topotests/bgp_snmp_bgp4v2mib/rr/bgpd.conf @@ -0,0 +1,67 @@ +! +! debug bgp updates +! +router bgp 65004 + no bgp ebgp-requires-policy + no bgp network import-check + no bgp default ipv4-unicast + neighbor 192.168.12.1 remote-as external + neighbor 192.168.12.1 timers 1 3 + neighbor 192.168.12.1 timers connect 1 + neighbor 192.168.12.2 remote-as external + neighbor 192.168.12.2 timers 1 3 + neighbor 192.168.12.2 timers connect 1 + neighbor 192.168.12.3 remote-as external + neighbor 192.168.12.3 timers 1 3 + neighbor 192.168.12.3 timers connect 1 + neighbor 2001:db8::12:1 remote-as external + neighbor 2001:db8::12:1 timers 1 3 + neighbor 2001:db8::12:1 timers connect 1 + neighbor 2001:db8::12:2 remote-as external + neighbor 2001:db8::12:2 timers 1 3 + neighbor 2001:db8::12:2 timers connect 1 + neighbor 2001:db8::12:3 remote-as external + neighbor 2001:db8::12:3 timers 1 3 + neighbor 2001:db8::12:3 timers connect 1 + ! + address-family ipv4 unicast + network 10.0.0.0/31 route-map p1 + network 10.0.0.2/32 route-map p2 + neighbor 192.168.12.1 activate + neighbor 192.168.12.2 activate + neighbor 192.168.12.2 addpath-tx-all-paths + neighbor 192.168.12.2 route-map r2-import in + neighbor 192.168.12.2 route-map r2-export out +! neighbor 192.168.12.2 soft-reconfiguration inbound + neighbor 192.168.12.3 activate + exit-address-family + address-family ipv6 unicast + network 2001:db8::1/128 route-map p1 + network 2001:db8:1::/56 route-map p2 + neighbor 2001:db8::12:1 activate + neighbor 2001:db8::12:2 activate + neighbor 2001:db8::12:2 addpath-tx-all-paths + neighbor 2001:db8::12:3 activate + exit-address-family + + +ip prefix-list r2-toto permit any + +route-map r2-import permit 10 + match ip address prefix-list r2-toto + +route-map r2-export permit 10 + match ip address prefix-list r2-toto +! +route-map p1 permit 10 + set metric 1 +exit +route-map p2 permit 10 + set metric 2 + set origin incomplete +exit + + + +agentx +! diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/rr/zebra.conf b/tests/topotests/bgp_snmp_bgp4v2mib/rr/zebra.conf new file mode 100644 index 000000000000..092673b8a977 --- /dev/null +++ b/tests/topotests/bgp_snmp_bgp4v2mib/rr/zebra.conf @@ -0,0 +1,5 @@ +! +interface rr-eth0 + ip address 192.168.12.4/24 + ipv6 address 2001:db8::12:4/64 +! diff --git a/tests/topotests/bgp_snmp_bgp4v2mib/test_bgp_snmp_bgp4v2mib.py b/tests/topotests/bgp_snmp_bgp4v2mib/test_bgp_snmp_bgp4v2mib.py index 14dadd45045b..8cd49e35483f 100755 --- a/tests/topotests/bgp_snmp_bgp4v2mib/test_bgp_snmp_bgp4v2mib.py +++ b/tests/topotests/bgp_snmp_bgp4v2mib/test_bgp_snmp_bgp4v2mib.py @@ -32,10 +32,14 @@ def build_topo(tgen): tgen.add_router("r1") tgen.add_router("r2") + tgen.add_router("r3") + tgen.add_router("rr") switch = tgen.add_switch("s1") switch.add_link(tgen.gears["r1"]) switch.add_link(tgen.gears["r2"]) + switch.add_link(tgen.gears["r3"]) + switch.add_link(tgen.gears["rr"]) def setup_module(mod): @@ -57,14 +61,15 @@ def setup_module(mod): "-M snmp", ) - tgen.gears["r2"].load_config( + r2 = tgen.gears["r2"] + r2.load_config( TopoRouter.RD_SNMP, - os.path.join(CWD, "{}/snmpd.conf".format(rname)), + os.path.join(CWD, "{}/snmpd.conf".format(r2.name)), "-Le -Ivacm_conf,usmConf,iquery -V -DAgentX", ) - tgen.gears["r2"].load_config( + r2.load_config( TopoRouter.RD_TRAP, - os.path.join(CWD, "{}/snmptrapd.conf".format(rname)), + os.path.join(CWD, "{}/snmptrapd.conf".format(r2.name)), " -On -OQ ", ) @@ -81,27 +86,29 @@ def test_bgp_snmp_bgp4v2(): r1 = tgen.gears["r1"] r2 = tgen.gears["r2"] + rr = tgen.gears["rr"] def _bgp_converge_summary(): output = json.loads(r2.vtysh_cmd("show bgp summary json")) expected = { "ipv4Unicast": { "peers": { - "192.168.12.1": { + "192.168.12.4": { "state": "Established", - "pfxRcd": 2, + "pfxRcd": 6, } } }, "ipv6Unicast": { "peers": { - "2001:db8::12:1": { + "2001:db8::12:4": { "state": "Established", - "pfxRcd": 2, + "pfxRcd": 4, } } }, } + # tgen.mininet_cli() return topotest.json_cmp(output, expected) test_func = functools.partial(_bgp_converge_summary) @@ -144,6 +151,7 @@ def _bgp_converge_prefixes(): } }, } + # tgen.mininet_cli() return topotest.json_cmp(output, expected) test_func = functools.partial(_bgp_converge_prefixes) @@ -154,11 +162,12 @@ def _bgp_converge_prefixes(): def _snmpwalk_remote_addr(): expected = { - "1.3.6.1.3.5.1.1.2.1.5.1.1.192.168.12.1": "C0 A8 0C 01", - "1.3.6.1.3.5.1.1.2.1.5.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1": "20 01 0D B8 00 00 00 00 00 00 00 00 00 12 00 01", + "1.3.6.1.3.5.1.1.2.1.5.1.1.192.168.12.4": "C0 A8 0C 04", + "1.3.6.1.3.5.1.1.2.1.5.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4": "20 01 0D B8 00 00 00 00 00 00 00 00 00 12 00 04", } # bgp4V2PeerRemoteAddr + # tgen.mininet_cli() output, _ = snmp.walk(".1.3.6.1.3.5.1.1.2.1.5") return output == expected @@ -168,8 +177,8 @@ def _snmpwalk_remote_addr(): def _snmpwalk_peer_state(): expected = { - "1.3.6.1.3.5.1.1.2.1.13.1.1.192.168.12.1": "6", - "1.3.6.1.3.5.1.1.2.1.13.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1": "6", + "1.3.6.1.3.5.1.1.2.1.13.1.1.192.168.12.4": "6", + "1.3.6.1.3.5.1.1.2.1.13.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4": "6", } # bgp4V2PeerState @@ -182,8 +191,8 @@ def _snmpwalk_peer_state(): def _snmpwalk_peer_last_error_code_received(): expected = { - "1.3.6.1.3.5.1.1.3.1.1.1.1.192.168.12.1": "0", - "1.3.6.1.3.5.1.1.3.1.1.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1": "0", + "1.3.6.1.3.5.1.1.3.1.1.1.1.192.168.12.4": "0", + "1.3.6.1.3.5.1.1.3.1.1.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4": "0", } # bgp4V2PeerLastErrorCodeReceived @@ -198,14 +207,19 @@ def _snmpwalk_peer_last_error_code_received(): def _snmpwalk_origin(): expected = { - "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.0.0.0.31.1.192.168.12.1.1": "1", - "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.0.0.2.32.1.192.168.12.1.1": "3", - "1.3.6.1.3.5.1.1.9.1.9.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.0.0.1.128.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1.1": "1", - "1.3.6.1.3.5.1.1.9.1.9.1.2.1.2.32.1.13.184.0.1.0.0.0.0.0.0.0.0.0.0.56.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1.1": "3", + "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.10.10.10.32.1.192.168.12.4.1": "1", + "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.10.10.10.32.1.192.168.12.4.2": "1", + "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.0.0.0.31.1.192.168.12.4.1": "1", + "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.0.0.0.31.1.192.168.12.4.2": "1", + "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.0.0.2.32.1.192.168.12.4.1": "3", + "1.3.6.1.3.5.1.1.9.1.9.1.1.1.1.10.0.0.2.32.1.192.168.12.4.2": "3", + "1.3.6.1.3.5.1.1.9.1.9.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.0.0.1.128.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.1": "1", + "1.3.6.1.3.5.1.1.9.1.9.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.0.0.1.128.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.2": "1", + "1.3.6.1.3.5.1.1.9.1.9.1.2.1.2.32.1.13.184.0.1.0.0.0.0.0.0.0.0.0.0.56.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.1": "3", + "1.3.6.1.3.5.1.1.9.1.9.1.2.1.2.32.1.13.184.0.1.0.0.0.0.0.0.0.0.0.0.56.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.2": "3", } # bgp4V2NlriOrigin - # tgen.mininet_cli() output, _ = snmp.walk(".1.3.6.1.3.5.1.1.9.1.9") return output == expected @@ -215,10 +229,16 @@ def _snmpwalk_origin(): def _snmpwalk_med(): expected = { - "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.0.0.0.31.1.192.168.12.1.1": "1", - "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.0.0.2.32.1.192.168.12.1.1": "2", - "1.3.6.1.3.5.1.1.9.1.17.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.0.0.1.128.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1.1": "1", - "1.3.6.1.3.5.1.1.9.1.17.1.2.1.2.32.1.13.184.0.1.0.0.0.0.0.0.0.0.0.0.56.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1.1": "2", + "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.10.10.10.32.1.192.168.12.4.1": "0", + "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.10.10.10.32.1.192.168.12.4.2": "0", + "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.0.0.0.31.1.192.168.12.4.1": "1", + "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.0.0.0.31.1.192.168.12.4.2": "0", + "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.0.0.2.32.1.192.168.12.4.1": "2", + "1.3.6.1.3.5.1.1.9.1.17.1.1.1.1.10.0.0.2.32.1.192.168.12.4.2": "0", + "1.3.6.1.3.5.1.1.9.1.17.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.0.0.1.128.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.1": "1", + "1.3.6.1.3.5.1.1.9.1.17.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.0.0.1.128.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.2": "0", + "1.3.6.1.3.5.1.1.9.1.17.1.2.1.2.32.1.13.184.0.1.0.0.0.0.0.0.0.0.0.0.56.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.1": "2", + "1.3.6.1.3.5.1.1.9.1.17.1.2.1.2.32.1.13.184.0.1.0.0.0.0.0.0.0.0.0.0.56.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4.2": "0", } # bgp4V2NlriMed @@ -230,96 +250,65 @@ def _snmpwalk_med(): assertmsg = "Can't fetch SNMP for bgp4V2NlriMed" assert result, assertmsg + # + # traps + # + + # + # bgp4 traps + # def _snmptrap_ipv4(): - expected = [ - ("1.3.6.1.2.1.15.3.1.7.192.168.12.1", "192.168.12.1"), - ("1.3.6.1.2.1.15.3.1.14.192.168.12.1", '"06 04 "'), - ("1.3.6.1.2.1.15.3.1.2.192.168.12.1", "7"), - ("1.3.6.1.2.1.15.3.1.7.192.168.12.1", "192.168.12.1"), - ("1.3.6.1.2.1.15.3.1.14.192.168.12.1", '"06 04 "'), - ("1.3.6.1.2.1.15.3.1.2.192.168.12.1", "6"), - ] - - # load trapd resulting file - # tgen.mininet_cli() + def __get_notif_bgp4_in_trap_file(router): + snmptrapfile = "{}/{}/snmptrapd.log".format(router.logdir, router.name) + outputfile = open(snmptrapfile).read() + output = snmp.get_notif_bgp4(outputfile) - snmptrapfile = "{}/{}/snmptrapd.log".format(r2.logdir, r2.name) - outputfile = open(snmptrapfile).read() - output = snmp.trap(outputfile) - return output == expected + return output + + output = __get_notif_bgp4_in_trap_file(r2) + logger.info("output bgp4") + logger.info(output) + return snmp.is_notif_bgp4_valid(output, "192.168.12.4") # skip tests is SNMP not installed if not os.path.isfile("/usr/sbin/snmptrapd"): error_msg = "SNMP not installed - skipping" pytest.skip(error_msg) - snmptrapfile = "{}/{}/snmptrapd.log".format(r2.logdir, r2.name) - trap_file = open(snmptrapfile, "w") - trap_file.truncate(0) - trap_file.close() - r1.vtysh_cmd("clear bgp *") + rr.vtysh_cmd("clear bgp *") _, result = topotest.run_and_expect(_snmptrap_ipv4, True, count=2, wait=10) assertmsg = "Can't fetch SNMP trap for ipv4" assert result, assertmsg + # + # bgp4v2 traps + # def _snmptrap_ipv6(): - expected = [ - ("1.3.6.1.3.5.1.1.2.1.13.1.1.192.168.12.1", "7"), - ("1.3.6.1.3.5.1.1.2.1.6.1.1.192.168.12.1", "179"), - ("1.3.6.1.3.5.1.1.3.1.1.1.1.192.168.12.1", "6"), - ("1.3.6.1.3.5.1.1.3.1.2.1.1.192.168.12.1", "4"), - ("1.3.6.1.3.5.1.1.3.1.4.1.1.192.168.12.1", '"00 "'), - ("1.3.6.1.3.5.1.1.2.1.13.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "7"), - ("1.3.6.1.3.5.1.1.2.1.6.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "179"), - ("1.3.6.1.3.5.1.1.3.1.1.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "6"), - ("1.3.6.1.3.5.1.1.3.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "4"), - ( - "1.3.6.1.3.5.1.1.3.1.4.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", - '"00 "', - ), - ("1.3.6.1.3.5.1.1.2.1.13.1.1.192.168.12.1", "6"), - ("1.3.6.1.3.5.1.1.2.1.6.1.1.192.168.12.1", "179"), - ("1.3.6.1.3.5.1.1.2.1.13.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "6"), - ("1.3.6.1.3.5.1.1.2.1.6.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "179"), - ] - - expected2 = [ - ("1.3.6.1.3.5.1.1.2.1.13.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "7"), - ("1.3.6.1.3.5.1.1.2.1.6.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "179"), - ("1.3.6.1.3.5.1.1.3.1.1.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "6"), - ("1.3.6.1.3.5.1.1.3.1.2.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "4"), - ( - "1.3.6.1.3.5.1.1.3.1.4.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", - '"00 "', - ), - ("1.3.6.1.3.5.1.1.2.1.13.1.1.192.168.12.1", "7"), - ("1.3.6.1.3.5.1.1.2.1.6.1.1.192.168.12.1", "179"), - ("1.3.6.1.3.5.1.1.3.1.1.1.1.192.168.12.1", "6"), - ("1.3.6.1.3.5.1.1.3.1.2.1.1.192.168.12.1", "4"), - ("1.3.6.1.3.5.1.1.3.1.4.1.1.192.168.12.1", '"00 "'), - ("1.3.6.1.3.5.1.1.2.1.13.1.1.192.168.12.1", "6"), - ("1.3.6.1.3.5.1.1.2.1.6.1.1.192.168.12.1", "179"), - ("1.3.6.1.3.5.1.1.2.1.13.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "6"), - ("1.3.6.1.3.5.1.1.2.1.6.1.2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.1", "179"), - ] - - # load trapd resulting file - # tgen.mininet_cli() + def __get_notif_bgp4v2_in_trap_file(router): + snmptrapfile = "{}/{}/snmptrapd.log".format(router.logdir, router.name) + outputfile = open(snmptrapfile).read() + output = snmp.get_notif_bgp4v2(outputfile) - snmptrapfile = "{}/{}/snmptrapd.log".format(r2.logdir, r2.name) - outputfile = open(snmptrapfile).read() - output = snmp.trap(outputfile) + return output + + # tgen.mininet_cli() + output = __get_notif_bgp4v2_in_trap_file(r2) + logger.info("output bgp4v2") logger.info(output) - output_cut = output[:14] - return output_cut == expected or output_cut == expected2 + p_ipv4_addr = "1.192.168.12.4" + p_ipv6_addr = "2.32.1.13.184.0.0.0.0.0.0.0.0.0.18.0.4" + return ( + snmp.is_notif_bgp4v2_valid(output, p_ipv4_addr, "Estab") + and snmp.is_notif_bgp4v2_valid(output, p_ipv6_addr, "Estab") + and snmp.is_notif_bgp4v2_valid(output, p_ipv4_addr, "Backward") + and snmp.is_notif_bgp4v2_valid(output, p_ipv6_addr, "Backward") + ) - snmptrapfile = "{}/{}/snmptrapd.log".format(r2.logdir, r2.name) - trap_file = open(snmptrapfile, "w") - trap_file.truncate(0) - trap_file.close() + sleep(10) r2.vtysh_cmd("conf\nbgp snmp traps bgp4-mibv2") r2.vtysh_cmd("conf\nno bgp snmp traps rfc4273") - r1.vtysh_cmd("clear bgp *") + rr.vtysh_cmd("clear bgp *") + sleep(30) _, result = topotest.run_and_expect(_snmptrap_ipv6, True, count=2, wait=10) assertmsg = "Can't fetch SNMP trap for ipv6" assert result, assertmsg diff --git a/tests/topotests/lib/snmptest.py b/tests/topotests/lib/snmptest.py index 598ad05f5897..5c4e97a5d245 100644 --- a/tests/topotests/lib/snmptest.py +++ b/tests/topotests/lib/snmptest.py @@ -73,39 +73,6 @@ def _get_snmp_oid(snmp_output): # third token onwards is the value of the object return tokens[0].split(".", 1)[1] - def _parse_notification_trap(self, snmp_out): - # we use the "=" as separator thus we will have - # element of list formated "value oid" - # value for index i is corresponding to index i-1 - results = snmp_out.strip().split("=") - - # remove the notification part date, notification OID - del results[0:2] - - index = 0 - oid_list = [] - next_oid = "" - oid = "" - while index < len(results): - result = results[index].strip().split() - if index < len(results) - 1: - raw_oid = result[-1] - # remove initial "." of oid - next_oid = raw_oid.split(".", 1)[1] - # remove oid from result to have only value - del result[-1] - if index > 0: - value = " ".join(result) - # ignore remote port oid 1.3.6.1.3.5.1.1.2.1.9 since - # it's value is variable - local_port = re.search("1.3.6.1.3.5.1.1.2.1.9", oid) - if not local_port: - oid_list.append((oid, value)) - - oid = next_oid - index += 1 - return oid_list - def _parse_multiline(self, snmp_output): results = snmp_output.strip().split("\n") @@ -117,15 +84,6 @@ def _parse_multiline(self, snmp_output): return out_dict, out_list - def _parse_multiline_trap(self, results): - out_list = [] - results = [elem for index, elem in enumerate(results) if index % 2 != 0] - - for response in results: - oid_list = self._parse_notification_trap(response) - out_list += oid_list - return out_list - def get(self, oid): cmd = "snmpget {0} {1}".format(self._snmp_config(), oid) @@ -149,10 +107,148 @@ def walk(self, oid): result = self.router.cmd(cmd) return self._parse_multiline(result) - def trap(self, outputfile): - whitecleanfile = re.sub("\t", " ", outputfile) + def parse_notif_ipv4(self, notif): + # normalise values + notif = re.sub(":", "", notif) + notif = re.sub('"([0-9]{2}) ([0-9]{2}) "', r"\1\2", notif) + notif = re.sub('"([0-9]{2}) "', r"\1", notif) + elems = re.findall("([0-9,\.]+) = ([0-9,\.]+)", notif) + + # remove common part + elems = elems[1:] + return elems + + def is_notif_bgp4_valid(self, output_list, address): + oid_notif_type = ".1.3.6.1.6.3.1.1.4.1.0" + peer_notif_established = ".1.3.6.1.2.1.15.0.1" + peer_notif_backward = ".1.3.6.1.2.1.15.0.2" + oid_peer_last_error = ".1.3.6.1.2.1.15.3.1.14" + oid_peer_remote_addr = ".1.3.6.1.2.1.15.3.1.7" + oid_peer_state = ".1.3.6.1.2.1.15.3.1.2" + + nb_notif = len(output_list) + for nb in range(0, nb_notif - 1): + # identify type of notification + # established or BackwardTransition + + if output_list[nb][0][0] != "{}".format(oid_notif_type): + return False + + if output_list[nb][0][1] == "{}".format(peer_notif_established): + logger.info("Established notification") + elif output_list[nb][0][1] == "{}".format(peer_notif_backward): + logger.info("Backward transition notification") + else: + return False + + # same behavior for 2 notification type in bgp4 + if output_list[nb][1][0] != "{}.{}".format(oid_peer_remote_addr, address): + return False + + if output_list[nb][2][0] != "{}.{}".format(oid_peer_last_error, address): + return False + if output_list[nb][3][0] != "{}.{}".format(oid_peer_state, address): + return False + + return True + + def is_notif_bgp4v2_valid(self, output_list, address, type_requested): + oid_notif_type = ".1.3.6.1.6.3.1.1.4.1.0" + peer_notif_established = ".1.3.6.1.3.5.1.0.1" + peer_notif_backward = ".1.3.6.1.3.5.1.0.2" + oid_peer_state = ".1.3.6.1.3.5.1.1.2.1.13" + oid_peer_local_port = ".1.3.6.1.3.5.1.1.2.1.6" + oid_peer_remote_port = ".1.3.6.1.3.5.1.1.2.1.9" + oid_peer_err_code_recv = ".1.3.6.1.3.5.1.1.3.1.1" + oid_peer_err_sub_code_recv = ".1.3.6.1.3.5.1.1.3.1.2" + oid_peer_err_recv_text = ".1.3.6.1.3.5.1.1.3.1.4" + + nb_notif = len(output_list) + for nb in range(nb_notif): + if output_list[nb][0][0] != "{}".format(oid_notif_type): + return False + + if output_list[nb][0][1] == "{}".format(peer_notif_established): + logger.info("Established notification") + notif_type = "Estab" + + elif output_list[nb][0][1] == "{}".format(peer_notif_backward): + logger.info("Backward transition notification") + notif_type = "Backward" + else: + return False + + if notif_type != type_requested: + continue + + if output_list[nb][1][0] != "{}.1.{}".format(oid_peer_state, address): + continue + + if output_list[nb][2][0] != "{}.1.{}".format(oid_peer_local_port, address): + return False + + if output_list[nb][3][0] != "{}.1.{}".format(oid_peer_remote_port, address): + return False + + if notif_type == "Estab": + return True + + if output_list[nb][4][0] != "{}.1.{}".format( + oid_peer_err_code_recv, address + ): + return False + + if output_list[nb][5][0] != "{}.1.{}".format( + oid_peer_err_sub_code_recv, address + ): + return False + + if output_list[nb][6][0] != "{}.1.{}".format( + oid_peer_err_recv_text, address + ): + return False + + return True + + return False + + def get_notif_bgp4(self, output_file): + notif_list = [] + whitecleanfile = re.sub("\t", " ", output_file) results = whitecleanfile.strip().split("\n") - return self._parse_multiline_trap(results) + + # don't consider SNMP additional messages + notifs_first = [elem for elem in results if not ("SNMP" in elem)] + # don't consider additional application messages + notifs = [elem for index, elem in enumerate(notifs_first) if index % 2 != 0] + + oid_v4 = "1\.3\.6\.1\.2\.1\.15" + for one_notif in notifs: + is_ipv4_notif = re.search(oid_v4, one_notif) + if is_ipv4_notif != None: + formated_notif = self.parse_notif_ipv4(one_notif) + notif_list.append(formated_notif) + + return notif_list + + def get_notif_bgp4v2(self, output_file): + notif_list = [] + whitecleanfile = re.sub("\t", " ", output_file) + results = whitecleanfile.strip().split("\n") + + # don't consider SNMP additional messages + notifs_first = [elem for elem in results if not ("SNMP" in elem)] + # don't consider additional application messages + notifs = [elem for index, elem in enumerate(results) if index % 2 != 0] + + oid_v6 = "1\.3\.6\.1\.3\.5\.1" + for one_notif in notifs: + is_ipv6_notif = re.search(oid_v6, one_notif) + if is_ipv6_notif != None: + formated_notif = self.parse_notif_ipv4(one_notif) + notif_list.append(formated_notif) + + return notif_list def test_oid(self, oid, value): print("oid: {}".format(self.get_next(oid)))