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Merge pull request #6385 from GalaxyGorilla/bfd_igp_topotest
isis: tests: Fast RIB recovery from BFD recognized link failures
This commit is contained in:
Renato Westphal
GitHub
commit
4030687aab
@ -143,7 +143,7 @@ BFD peers and profiles share the same BFD session configuration commands.
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.. clicmd:: transmit-interval (10-60000)
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The minimum transmission interval (less jitter) that this system
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wants to use to send BFD control packets.
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wants to use to send BFD control packets. Defaults to 300ms.
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.. index:: echo-interval (10-60000)
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.. clicmd:: echo-interval (10-60000)
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@ -159,7 +159,7 @@ BFD peers and profiles share the same BFD session configuration commands.
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It is recommended that the transmission interval of control packets
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to be increased after enabling echo-mode to reduce bandwidth usage.
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For example: `transmission-interval 2000`.
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For example: `transmit-interval 2000`.
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Echo mode is not supported on multi-hop setups (see :rfc:`5883`
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section 3).
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@ -246,6 +246,30 @@ The following commands are available inside the BGP configuration node.
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Removes the BFD profile configuration from peer session(s).
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.. _bfd-isis-peer-config:
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IS-IS BFD Configuration
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-----------------------
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The following commands are available inside the interface configuration node.
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.. index:: isis bfd
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.. clicmd:: ip isis bfd
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Listen for BFD events on peers created on the interface. Every time
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a new neighbor is found a BFD peer is created to monitor the link
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status for fast convergence.
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.. index:: no isis bfd
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.. clicmd:: no isis bfd
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Removes any notification registration for this interface peers.
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Note that there will be just one BFD session per interface. In case both
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IPv4 and IPv6 support are configured then just a IPv6 based session is
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created.
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.. _bfd-ospf-peer-config:
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OSPF BFD Configuration
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@ -171,14 +171,14 @@ void isis_delete_adj(void *arg)
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return;
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THREAD_TIMER_OFF(adj->t_expire);
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if (adj->adj_state != ISIS_ADJ_DOWN) {
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if (adj->adj_state != ISIS_ADJ_DOWN)
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adj->adj_state = ISIS_ADJ_DOWN;
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hook_call(isis_adj_state_change_hook, adj);
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}
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/* remove from SPF trees */
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spftree_area_adj_del(adj->circuit->area, adj);
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hook_call(isis_adj_state_change_hook, adj);
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XFREE(MTYPE_ISIS_ADJACENCY_INFO, adj->area_addresses);
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XFREE(MTYPE_ISIS_ADJACENCY_INFO, adj->ipv4_addresses);
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XFREE(MTYPE_ISIS_ADJACENCY_INFO, adj->ipv6_addresses);
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@ -138,6 +138,8 @@ static void bfd_adj_event(struct isis_adjacency *adj, struct prefix *dst,
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return;
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}
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adj->circuit->area->bfd_signalled_down = true;
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isis_adj_state_change(&adj, ISIS_ADJ_DOWN, "bfd session went down");
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}
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@ -1376,7 +1376,13 @@ static int lsp_refresh(struct thread *thread)
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if ((area->is_type & level) == 0)
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return ISIS_ERROR;
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if (monotime_since(&area->last_lsp_refresh_event[level - 1], NULL) < 100000L) {
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/*
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* Throttle regeneration of LSPs (but not when BFD signalled a 'down'
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* message)
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*/
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if (monotime_since(&area->last_lsp_refresh_event[level - 1], NULL)
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< 100000L
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&& !(area->bfd_force_spf_refresh)) {
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sched_debug("ISIS (%s): Still unstable, postpone LSP L%d refresh",
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area->area_tag, level);
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_lsp_regenerate_schedule(area, level, 0, false,
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@ -1429,7 +1435,12 @@ int _lsp_regenerate_schedule(struct isis_area *area, int level,
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"ISIS (%s): Checking whether L%d needs to be scheduled",
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area->area_tag, lvl);
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if (area->lsp_regenerate_pending[lvl - 1]) {
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if (area->lsp_regenerate_pending[lvl - 1]
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&& !(area->bfd_signalled_down)) {
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/*
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* Note: in case of a BFD 'down' message the refresh is
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* scheduled once again just to be sure
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*/
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struct timeval remain = thread_timer_remain(
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area->t_lsp_refresh[lvl - 1]);
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sched_debug(
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@ -1457,7 +1468,8 @@ int _lsp_regenerate_schedule(struct isis_area *area, int level,
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(long long)now);
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THREAD_TIMER_OFF(area->t_lsp_refresh[lvl - 1]);
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diff = now - lsp->last_generated;
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if (diff < area->lsp_gen_interval[lvl - 1]) {
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if (diff < area->lsp_gen_interval[lvl - 1]
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&& !(area->bfd_signalled_down)) {
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timeout =
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1000 * (area->lsp_gen_interval[lvl - 1] - diff);
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sched_debug(
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@ -1465,17 +1477,21 @@ int _lsp_regenerate_schedule(struct isis_area *area, int level,
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area->area_tag, timeout);
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} else {
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/*
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* lsps are not regenerated if lsp_regenerate function
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* is called
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* directly. However if the lsp_regenerate call is
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* queued for
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* later execution it works.
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* Schedule LSP refresh ASAP
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*/
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timeout = 100;
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sched_debug(
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"ISIS (%s): Last generation was more than lsp_gen_interval ago."
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" Scheduling for execution in %ld ms.",
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area->area_tag, timeout);
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timeout = 0;
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if (area->bfd_signalled_down) {
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sched_debug(
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"ISIS (%s): Scheduling immediately due to BDF 'down' message.",
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area->area_tag);
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area->bfd_signalled_down = false;
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area->bfd_force_spf_refresh = true;
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} else {
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sched_debug(
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"ISIS (%s): Last generation was more than lsp_gen_interval ago. Scheduling for execution now.",
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area->area_tag);
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}
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}
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area->lsp_regenerate_pending[lvl - 1] = 1;
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@ -1288,9 +1288,20 @@ int _isis_spf_schedule(struct isis_area *area, int level,
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/* wait configured min_spf_interval before doing the SPF */
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long timer;
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if (diff >= area->min_spf_interval[level - 1]) {
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/* Last run is more than min interval ago, schedule immediate run */
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if (diff >= area->min_spf_interval[level - 1]
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|| area->bfd_force_spf_refresh) {
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/*
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* Last run is more than min interval ago or BFD signalled a
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* 'down' message, schedule immediate run
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*/
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timer = 0;
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if (area->bfd_force_spf_refresh) {
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zlog_debug(
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"ISIS-Spf (%s) L%d SPF scheduled immediately due to BFD 'down' message",
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area->area_tag, level);
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area->bfd_force_spf_refresh = false;
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}
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} else {
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timer = area->min_spf_interval[level - 1] - diff;
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}
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@ -203,6 +203,9 @@ struct isis_area *isis_area_create(const char *area_tag)
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area->lsp_refresh_arg[1].area = area;
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area->lsp_refresh_arg[1].level = IS_LEVEL_2;
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area->bfd_signalled_down = false;
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area->bfd_force_spf_refresh = false;
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QOBJ_REG(area, isis_area);
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@ -127,6 +127,9 @@ struct isis_area {
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*/
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int lsp_regenerate_pending[ISIS_LEVELS];
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bool bfd_signalled_down;
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bool bfd_force_spf_refresh;
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struct fabricd *fabricd;
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/*
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0
tests/topotests/bfd-isis-topo1/__init__.py
Normal file
0
tests/topotests/bfd-isis-topo1/__init__.py
Normal file
17
tests/topotests/bfd-isis-topo1/rt1/bfdd.conf
Normal file
17
tests/topotests/bfd-isis-topo1/rt1/bfdd.conf
Normal file
@ -0,0 +1,17 @@
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!
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debug bfd network
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debug bfd peer
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debug bfd zebra
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!
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bfd
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peer 10.0.1.2 interface eth-rt2
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detect-multiplier 3
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receive-interval 300
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transmit-interval 300
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!
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peer 10.0.2.2 interface eth-rt3
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detect-multiplier 3
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receive-interval 300
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transmit-interval 300
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!
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!
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35
tests/topotests/bfd-isis-topo1/rt1/isisd.conf
Normal file
35
tests/topotests/bfd-isis-topo1/rt1/isisd.conf
Normal file
@ -0,0 +1,35 @@
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log file isisd.log
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log timestamp precision 3
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!
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hostname rt1
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!
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password 1
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!
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debug isis events
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debug isis route-events
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debug isis spf-events
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debug isis adj-packets
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debug isis lsp-sched
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!
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interface lo
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ip router isis 1
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ipv6 router isis 1
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isis passive
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!
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interface eth-rt2
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ip router isis 1
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ipv6 router isis 1
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isis hello-multiplier 3
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isis bfd
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!
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interface eth-rt3
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ip router isis 1
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ipv6 router isis 1
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isis hello-multiplier 3
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isis network point-to-point
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isis bfd
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!
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router isis 1
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net 49.0000.0000.0000.0001.00
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is-type level-1
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!
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74
tests/topotests/bfd-isis-topo1/rt1/step1/show_ip_route.ref
Normal file
74
tests/topotests/bfd-isis-topo1/rt1/step1/show_ip_route.ref
Normal file
@ -0,0 +1,74 @@
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{
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"2.2.2.2\/32":[
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{
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"prefix":"2.2.2.2\/32",
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"protocol":"isis",
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"selected":true,
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"destSelected":true,
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"installed":true,
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"nexthops":[
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{
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"fib":true,
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"ip":"10.0.1.2",
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"afi":"ipv4",
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"interfaceName":"eth-rt2",
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"active":true
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}
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]
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}
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],
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"3.3.3.3\/32":[
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{
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"prefix":"3.3.3.3\/32",
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"protocol":"isis",
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"selected":true,
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"destSelected":true,
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"installed":true,
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"nexthops":[
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{
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"fib":true,
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"ip":"10.0.2.2",
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"afi":"ipv4",
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"interfaceName":"eth-rt3",
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"active":true
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}
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]
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}
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],
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"4.4.4.4\/32":[
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{
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"prefix":"4.4.4.4\/32",
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"protocol":"isis",
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"selected":true,
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"destSelected":true,
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"installed":true,
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"nexthops":[
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{
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"fib":true,
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"ip":"10.0.2.2",
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"afi":"ipv4",
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"interfaceName":"eth-rt3",
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"active":true
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}
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]
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}
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],
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"5.5.5.5\/32":[
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{
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"prefix":"5.5.5.5\/32",
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"protocol":"isis",
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"selected":true,
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"destSelected":true,
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"installed":true,
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"nexthops":[
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{
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"fib":true,
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"ip":"10.0.1.2",
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"afi":"ipv4",
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"interfaceName":"eth-rt2",
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"active":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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70
tests/topotests/bfd-isis-topo1/rt1/step1/show_ipv6_route.ref
Normal file
70
tests/topotests/bfd-isis-topo1/rt1/step1/show_ipv6_route.ref
Normal file
@ -0,0 +1,70 @@
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{
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"::ffff:202:202\/128":[
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{
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"prefix":"::ffff:202:202\/128",
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"protocol":"isis",
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"selected":true,
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"destSelected":true,
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"installed":true,
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"nexthops":[
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{
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"fib":true,
|
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"afi":"ipv6",
|
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"interfaceName":"eth-rt2",
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"active":true
|
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}
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]
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}
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],
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"::ffff:303:303\/128":[
|
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{
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"prefix":"::ffff:303:303\/128",
|
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"protocol":"isis",
|
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"selected":true,
|
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"destSelected":true,
|
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"installed":true,
|
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"nexthops":[
|
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{
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"fib":true,
|
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"afi":"ipv6",
|
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"interfaceName":"eth-rt3",
|
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"active":true
|
||||
}
|
||||
]
|
||||
}
|
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],
|
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"::ffff:404:404\/128":[
|
||||
{
|
||||
"prefix":"::ffff:404:404\/128",
|
||||
"protocol":"isis",
|
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"selected":true,
|
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"destSelected":true,
|
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"installed":true,
|
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"nexthops":[
|
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{
|
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"fib":true,
|
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"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:505:505\/128":[
|
||||
{
|
||||
"prefix":"::ffff:505:505\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
16
tests/topotests/bfd-isis-topo1/rt1/step2/show_bfd_peers.ref
Normal file
16
tests/topotests/bfd-isis-topo1/rt1/step2/show_bfd_peers.ref
Normal file
@ -0,0 +1,16 @@
|
||||
[
|
||||
{
|
||||
"peer": "10.0.2.2",
|
||||
"interface": "eth-rt3",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
},
|
||||
{
|
||||
"peer": "10.0.1.2",
|
||||
"interface": "eth-rt2",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,16 @@
|
||||
[
|
||||
{
|
||||
"peer": "10.0.2.2",
|
||||
"interface": "eth-rt3",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
},
|
||||
{
|
||||
"peer": "10.0.1.2",
|
||||
"interface": "eth-rt2",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,9 @@
|
||||
[
|
||||
{
|
||||
"peer": "10.0.2.2",
|
||||
"interface": "eth-rt3",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,9 @@
|
||||
[
|
||||
{
|
||||
"peer": "10.0.1.2",
|
||||
"interface": "eth-rt2",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
}
|
||||
]
|
||||
@ -0,0 +1,74 @@
|
||||
{
|
||||
"2.2.2.2\/32":[
|
||||
{
|
||||
"prefix":"2.2.2.2\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.1.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"3.3.3.3\/32":[
|
||||
{
|
||||
"prefix":"3.3.3.3\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.2.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"4.4.4.4\/32":[
|
||||
{
|
||||
"prefix":"4.4.4.4\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.2.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"5.5.5.5\/32":[
|
||||
{
|
||||
"prefix":"5.5.5.5\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.1.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -0,0 +1,74 @@
|
||||
{
|
||||
"2.2.2.2\/32":[
|
||||
{
|
||||
"prefix":"2.2.2.2\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.2.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"3.3.3.3\/32":[
|
||||
{
|
||||
"prefix":"3.3.3.3\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.2.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"4.4.4.4\/32":[
|
||||
{
|
||||
"prefix":"4.4.4.4\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.2.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"5.5.5.5\/32":[
|
||||
{
|
||||
"prefix":"5.5.5.5\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.2.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -0,0 +1,74 @@
|
||||
{
|
||||
"2.2.2.2\/32":[
|
||||
{
|
||||
"prefix":"2.2.2.2\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.1.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"3.3.3.3\/32":[
|
||||
{
|
||||
"prefix":"3.3.3.3\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.1.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"4.4.4.4\/32":[
|
||||
{
|
||||
"prefix":"4.4.4.4\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.1.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"5.5.5.5\/32":[
|
||||
{
|
||||
"prefix":"5.5.5.5\/32",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"ip":"10.0.1.2",
|
||||
"afi":"ipv4",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -0,0 +1,70 @@
|
||||
{
|
||||
"::ffff:202:202\/128":[
|
||||
{
|
||||
"prefix":"::ffff:202:202\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:303:303\/128":[
|
||||
{
|
||||
"prefix":"::ffff:303:303\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:404:404\/128":[
|
||||
{
|
||||
"prefix":"::ffff:404:404\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:505:505\/128":[
|
||||
{
|
||||
"prefix":"::ffff:505:505\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -0,0 +1,70 @@
|
||||
{
|
||||
"::ffff:202:202\/128":[
|
||||
{
|
||||
"prefix":"::ffff:202:202\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:303:303\/128":[
|
||||
{
|
||||
"prefix":"::ffff:303:303\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:404:404\/128":[
|
||||
{
|
||||
"prefix":"::ffff:404:404\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:505:505\/128":[
|
||||
{
|
||||
"prefix":"::ffff:505:505\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt3",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -0,0 +1,70 @@
|
||||
{
|
||||
"::ffff:202:202\/128":[
|
||||
{
|
||||
"prefix":"::ffff:202:202\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:303:303\/128":[
|
||||
{
|
||||
"prefix":"::ffff:303:303\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:404:404\/128":[
|
||||
{
|
||||
"prefix":"::ffff:404:404\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"::ffff:505:505\/128":[
|
||||
{
|
||||
"prefix":"::ffff:505:505\/128",
|
||||
"protocol":"isis",
|
||||
"selected":true,
|
||||
"destSelected":true,
|
||||
"installed":true,
|
||||
"nexthops":[
|
||||
{
|
||||
"fib":true,
|
||||
"afi":"ipv6",
|
||||
"interfaceName":"eth-rt2",
|
||||
"active":true
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
25
tests/topotests/bfd-isis-topo1/rt1/zebra.conf
Normal file
25
tests/topotests/bfd-isis-topo1/rt1/zebra.conf
Normal file
@ -0,0 +1,25 @@
|
||||
log file zebra.log
|
||||
log timestamp precision 3
|
||||
!
|
||||
hostname rt1
|
||||
!
|
||||
debug zebra kernel
|
||||
debug zebra packet
|
||||
debug zebra events
|
||||
debug zebra rib
|
||||
!
|
||||
interface lo
|
||||
ip address 1.1.1.1/32
|
||||
ipv6 address ::ffff:0101:0101/128
|
||||
!
|
||||
interface eth-rt2
|
||||
ip address 10.0.1.1/24
|
||||
!
|
||||
interface eth-rt3
|
||||
ip address 10.0.2.1/24
|
||||
!
|
||||
ip forwarding
|
||||
ipv6 forwarding
|
||||
!
|
||||
line vty
|
||||
!
|
||||
12
tests/topotests/bfd-isis-topo1/rt2/bfdd.conf
Normal file
12
tests/topotests/bfd-isis-topo1/rt2/bfdd.conf
Normal file
@ -0,0 +1,12 @@
|
||||
!
|
||||
debug bfd network
|
||||
debug bfd peer
|
||||
debug bfd zebra
|
||||
!
|
||||
bfd
|
||||
peer 10.0.1.1 interface eth-rt1
|
||||
detect-multiplier 3
|
||||
receive-interval 300
|
||||
transmit-interval 300
|
||||
!
|
||||
!
|
||||
30
tests/topotests/bfd-isis-topo1/rt2/isisd.conf
Normal file
30
tests/topotests/bfd-isis-topo1/rt2/isisd.conf
Normal file
@ -0,0 +1,30 @@
|
||||
log file isisd.log
|
||||
!
|
||||
hostname rt2
|
||||
!
|
||||
password 1
|
||||
!
|
||||
debug isis events
|
||||
debug isis route-events
|
||||
debug isis spf-events
|
||||
!
|
||||
interface lo
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis passive
|
||||
!
|
||||
interface eth-rt1
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
isis bfd
|
||||
!
|
||||
interface eth-rt5
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
!
|
||||
router isis 1
|
||||
net 49.0000.0000.0000.0002.00
|
||||
is-type level-1
|
||||
!
|
||||
@ -0,0 +1,9 @@
|
||||
[
|
||||
{
|
||||
"peer": "10.0.1.1",
|
||||
"interface": "eth-rt1",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
}
|
||||
]
|
||||
22
tests/topotests/bfd-isis-topo1/rt2/zebra.conf
Normal file
22
tests/topotests/bfd-isis-topo1/rt2/zebra.conf
Normal file
@ -0,0 +1,22 @@
|
||||
log file zebra.log
|
||||
!
|
||||
hostname rt2
|
||||
!
|
||||
debug zebra kernel
|
||||
debug zebra packet
|
||||
!
|
||||
interface lo
|
||||
ip address 2.2.2.2/32
|
||||
ipv6 address ::ffff:0202:0202/128
|
||||
!
|
||||
interface eth-rt1
|
||||
ip address 10.0.1.2/24
|
||||
!
|
||||
interface eth-rt5
|
||||
ip address 10.0.3.1/24
|
||||
!
|
||||
ip forwarding
|
||||
ipv6 forwarding
|
||||
!
|
||||
line vty
|
||||
!
|
||||
12
tests/topotests/bfd-isis-topo1/rt3/bfdd.conf
Normal file
12
tests/topotests/bfd-isis-topo1/rt3/bfdd.conf
Normal file
@ -0,0 +1,12 @@
|
||||
!
|
||||
debug bfd network
|
||||
debug bfd peer
|
||||
debug bfd zebra
|
||||
!
|
||||
bfd
|
||||
peer 10.0.2.1 interface eth-rt1
|
||||
detect-multiplier 3
|
||||
receive-interval 300
|
||||
transmit-interval 300
|
||||
!
|
||||
!
|
||||
32
tests/topotests/bfd-isis-topo1/rt3/isisd.conf
Normal file
32
tests/topotests/bfd-isis-topo1/rt3/isisd.conf
Normal file
@ -0,0 +1,32 @@
|
||||
log file isisd.log
|
||||
!
|
||||
hostname rt3
|
||||
!
|
||||
password 1
|
||||
!
|
||||
debug isis events
|
||||
debug isis route-events
|
||||
debug isis spf-events
|
||||
!
|
||||
interface lo
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis passive
|
||||
!
|
||||
interface eth-rt1
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
isis network point-to-point
|
||||
isis bfd
|
||||
!
|
||||
interface eth-rt4
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
!
|
||||
router isis 1
|
||||
net 49.0000.0000.0000.0003.00
|
||||
is-type level-1
|
||||
!
|
||||
|
||||
@ -0,0 +1,9 @@
|
||||
[
|
||||
{
|
||||
"peer": "10.0.2.1",
|
||||
"interface": "eth-rt1",
|
||||
"status": "up",
|
||||
"diagnostic": "ok",
|
||||
"remote-diagnostic": "ok"
|
||||
}
|
||||
]
|
||||
22
tests/topotests/bfd-isis-topo1/rt3/zebra.conf
Normal file
22
tests/topotests/bfd-isis-topo1/rt3/zebra.conf
Normal file
@ -0,0 +1,22 @@
|
||||
log file zebra.log
|
||||
!
|
||||
hostname rt3
|
||||
!
|
||||
debug zebra kernel
|
||||
debug zebra packet
|
||||
!
|
||||
interface lo
|
||||
ip address 3.3.3.3/32
|
||||
ipv6 address ::ffff:0303:0303/128
|
||||
!
|
||||
interface eth-rt1
|
||||
ip address 10.0.2.2/24
|
||||
!
|
||||
interface eth-rt4
|
||||
ip address 10.0.4.1/24
|
||||
!
|
||||
ip forwarding
|
||||
ipv6 forwarding
|
||||
!
|
||||
line vty
|
||||
!
|
||||
5
tests/topotests/bfd-isis-topo1/rt4/bfdd.conf
Normal file
5
tests/topotests/bfd-isis-topo1/rt4/bfdd.conf
Normal file
@ -0,0 +1,5 @@
|
||||
!
|
||||
debug bfd network
|
||||
debug bfd peer
|
||||
debug bfd zebra
|
||||
!
|
||||
29
tests/topotests/bfd-isis-topo1/rt4/isisd.conf
Normal file
29
tests/topotests/bfd-isis-topo1/rt4/isisd.conf
Normal file
@ -0,0 +1,29 @@
|
||||
log file isisd.log
|
||||
!
|
||||
hostname rt4
|
||||
!
|
||||
password 1
|
||||
!
|
||||
debug isis events
|
||||
debug isis route-events
|
||||
debug isis spf-events
|
||||
!
|
||||
interface lo
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis passive
|
||||
!
|
||||
interface eth-rt3
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
!
|
||||
interface eth-rt5
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
!
|
||||
router isis 1
|
||||
net 49.0000.0000.0000.0004.00
|
||||
is-type level-1
|
||||
!
|
||||
22
tests/topotests/bfd-isis-topo1/rt4/zebra.conf
Normal file
22
tests/topotests/bfd-isis-topo1/rt4/zebra.conf
Normal file
@ -0,0 +1,22 @@
|
||||
log file zebra.log
|
||||
!
|
||||
hostname rt4
|
||||
!
|
||||
debug zebra kernel
|
||||
debug zebra packet
|
||||
!
|
||||
interface lo
|
||||
ip address 4.4.4.4/32
|
||||
ipv6 address ::ffff:0404:0404/128
|
||||
!
|
||||
interface eth-rt3
|
||||
ip address 10.0.4.2/24
|
||||
!
|
||||
interface eth-rt5
|
||||
ip address 10.0.5.1/24
|
||||
!
|
||||
ip forwarding
|
||||
ipv6 forwarding
|
||||
!
|
||||
line vty
|
||||
!
|
||||
5
tests/topotests/bfd-isis-topo1/rt5/bfdd.conf
Normal file
5
tests/topotests/bfd-isis-topo1/rt5/bfdd.conf
Normal file
@ -0,0 +1,5 @@
|
||||
!
|
||||
debug bfd network
|
||||
debug bfd peer
|
||||
debug bfd zebra
|
||||
!
|
||||
29
tests/topotests/bfd-isis-topo1/rt5/isisd.conf
Normal file
29
tests/topotests/bfd-isis-topo1/rt5/isisd.conf
Normal file
@ -0,0 +1,29 @@
|
||||
log file isisd.log
|
||||
!
|
||||
hostname rt5
|
||||
!
|
||||
password 1
|
||||
!
|
||||
debug isis events
|
||||
debug isis route-events
|
||||
debug isis spf-events
|
||||
!
|
||||
interface lo
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis passive
|
||||
!
|
||||
interface eth-rt2
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
!
|
||||
interface eth-rt4
|
||||
ip router isis 1
|
||||
ipv6 router isis 1
|
||||
isis hello-multiplier 3
|
||||
!
|
||||
router isis 1
|
||||
net 49.0000.0000.0000.0005.00
|
||||
is-type level-1
|
||||
!
|
||||
22
tests/topotests/bfd-isis-topo1/rt5/zebra.conf
Normal file
22
tests/topotests/bfd-isis-topo1/rt5/zebra.conf
Normal file
@ -0,0 +1,22 @@
|
||||
log file zebra.log
|
||||
!
|
||||
hostname rt5
|
||||
!
|
||||
debug zebra kernel
|
||||
debug zebra packet
|
||||
!
|
||||
interface lo
|
||||
ip address 5.5.5.5/32
|
||||
ipv6 address ::ffff:0505:0505/128
|
||||
!
|
||||
interface eth-rt2
|
||||
ip address 10.0.3.2/24
|
||||
!
|
||||
interface eth-rt4
|
||||
ip address 10.0.5.2/24
|
||||
!
|
||||
ip forwarding
|
||||
ipv6 forwarding
|
||||
!
|
||||
line vty
|
||||
!
|
||||
304
tests/topotests/bfd-isis-topo1/test_bfd_isis_topo1.py
Executable file
304
tests/topotests/bfd-isis-topo1/test_bfd_isis_topo1.py
Executable file
@ -0,0 +1,304 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
#
|
||||
# test_bfd_isis_topo1.py
|
||||
# Part of NetDEF Topology Tests
|
||||
#
|
||||
# Copyright (c) 2020 by
|
||||
# Network Device Education Foundation, Inc. ("NetDEF")
|
||||
#
|
||||
# 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 NETDEF DISCLAIMS ALL WARRANTIES
|
||||
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF 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.
|
||||
#
|
||||
|
||||
"""
|
||||
test_bfd_isis_topo1.py:
|
||||
|
||||
+---------+
|
||||
| |
|
||||
eth-rt2 (.1) | RT1 | eth-rt3 (.1)
|
||||
+----------+ 1.1.1.1 +----------+
|
||||
| | | |
|
||||
| +---------+ |
|
||||
| |
|
||||
| 10.0.2.0/24 |
|
||||
| |
|
||||
| eth-rt1 | (.2)
|
||||
| 10.0.1.0/24 +----+----+
|
||||
| | |
|
||||
| | RT3 |
|
||||
| | 3.3.3.3 |
|
||||
| | |
|
||||
(.2) | eth-rt1 +----+----+
|
||||
+----+----+ eth-rt4 | (.1)
|
||||
| | |
|
||||
| RT2 | |
|
||||
| 2.2.2.2 | 10.0.4.0/24 |
|
||||
| | |
|
||||
+----+----+ |
|
||||
(.1) | eth-rt5 eth-rt3 | (.2)
|
||||
| +----+----+
|
||||
| | |
|
||||
| | RT4 |
|
||||
| | 4.4.4.4 |
|
||||
| | |
|
||||
| +----+----+
|
||||
| 10.0.3.0/24 eth-rt5 | (.1)
|
||||
| |
|
||||
| |
|
||||
| 10.0.5.0/24 |
|
||||
| |
|
||||
| +---------+ |
|
||||
| | | |
|
||||
+----------+ RT5 +----------+
|
||||
eth-rt2 (.2) | 5.5.5.5 | eth-rt4 (.2)
|
||||
| |
|
||||
+---------+
|
||||
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import pytest
|
||||
import json
|
||||
import re
|
||||
from time import sleep
|
||||
from time import time
|
||||
from functools import partial
|
||||
|
||||
# Save the Current Working Directory to find configuration files.
|
||||
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||
sys.path.append(os.path.join(CWD, "../"))
|
||||
|
||||
# pylint: disable=C0413
|
||||
# Import topogen and topotest helpers
|
||||
from lib import topotest
|
||||
from lib.topogen import Topogen, TopoRouter, get_topogen
|
||||
from lib.topolog import logger
|
||||
|
||||
# Required to instantiate the topology builder class.
|
||||
from mininet.topo import Topo
|
||||
|
||||
|
||||
class TemplateTopo(Topo):
|
||||
"Test topology builder"
|
||||
|
||||
def build(self, *_args, **_opts):
|
||||
"Build function"
|
||||
tgen = get_topogen(self)
|
||||
|
||||
#
|
||||
# Define FRR Routers
|
||||
#
|
||||
for router in ["rt1", "rt2", "rt3", "rt4", "rt5"]:
|
||||
tgen.add_router(router)
|
||||
|
||||
#
|
||||
# Define connections
|
||||
#
|
||||
switch = tgen.add_switch("s1")
|
||||
switch.add_link(tgen.gears["rt1"], nodeif="eth-rt2")
|
||||
switch.add_link(tgen.gears["rt2"], nodeif="eth-rt1")
|
||||
|
||||
switch = tgen.add_switch("s2")
|
||||
switch.add_link(tgen.gears["rt1"], nodeif="eth-rt3")
|
||||
switch.add_link(tgen.gears["rt3"], nodeif="eth-rt1")
|
||||
|
||||
switch = tgen.add_switch("s3")
|
||||
switch.add_link(tgen.gears["rt2"], nodeif="eth-rt5")
|
||||
switch.add_link(tgen.gears["rt5"], nodeif="eth-rt2")
|
||||
|
||||
switch = tgen.add_switch("s4")
|
||||
switch.add_link(tgen.gears["rt3"], nodeif="eth-rt4")
|
||||
switch.add_link(tgen.gears["rt4"], nodeif="eth-rt3")
|
||||
|
||||
switch = tgen.add_switch("s5")
|
||||
switch.add_link(tgen.gears["rt4"], nodeif="eth-rt5")
|
||||
switch.add_link(tgen.gears["rt5"], nodeif="eth-rt4")
|
||||
|
||||
|
||||
def setup_module(mod):
|
||||
"Sets up the pytest environment"
|
||||
tgen = Topogen(TemplateTopo, mod.__name__)
|
||||
tgen.start_topology()
|
||||
|
||||
router_list = tgen.routers()
|
||||
|
||||
# For all registered routers, load the zebra configuration file
|
||||
for rname, router in router_list.iteritems():
|
||||
router.load_config(
|
||||
TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
|
||||
)
|
||||
router.load_config(
|
||||
TopoRouter.RD_BFD, os.path.join(CWD, "{}/bfdd.conf".format(rname))
|
||||
)
|
||||
router.load_config(
|
||||
TopoRouter.RD_ISIS, os.path.join(CWD, "{}/isisd.conf".format(rname))
|
||||
)
|
||||
|
||||
tgen.start_router()
|
||||
|
||||
|
||||
def teardown_module(mod):
|
||||
"Teardown the pytest environment"
|
||||
tgen = get_topogen()
|
||||
|
||||
# This function tears down the whole topology.
|
||||
tgen.stop_topology()
|
||||
|
||||
|
||||
def print_cmd_result(rname, command):
|
||||
print(get_topogen().gears[rname].vtysh_cmd(command, isjson=False))
|
||||
|
||||
|
||||
def router_compare_json_output(rname, command, reference, count=120, wait=0.5):
|
||||
"Compare router JSON output"
|
||||
|
||||
logger.info('Comparing router "%s" "%s" output', rname, command)
|
||||
|
||||
tgen = get_topogen()
|
||||
filename = "{}/{}/{}".format(CWD, rname, reference)
|
||||
expected = json.loads(open(filename).read())
|
||||
|
||||
# Run test function until we get an result. Wait at most 60 seconds.
|
||||
test_func = partial(topotest.router_json_cmp, tgen.gears[rname], command, expected)
|
||||
_, diff = topotest.run_and_expect(test_func, None, count=count, wait=wait)
|
||||
assertmsg = '"{}" JSON output mismatches the expected result'.format(rname)
|
||||
assert diff is None, assertmsg
|
||||
|
||||
|
||||
## TEST STEPS
|
||||
|
||||
|
||||
def test_rib_isis_step1():
|
||||
logger.info("Test (step 1): verify RIB (IPv4 and IPv6) for IS-IS")
|
||||
tgen = get_topogen()
|
||||
|
||||
# Skip if previous fatal error condition is raised
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
router_compare_json_output(
|
||||
"rt1", "show ip route isis json", "step1/show_ip_route.ref"
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ipv6 route isis json", "step1/show_ipv6_route.ref"
|
||||
)
|
||||
|
||||
|
||||
def test_bfd_isis_sessions_step2():
|
||||
logger.info("Test (step 2): verify BFD peers for IS-IS")
|
||||
tgen = get_topogen()
|
||||
|
||||
# Skip if previous fatal error condition is raised
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
# BFD is just used on three routers
|
||||
for rt in ["rt1", "rt2", "rt3"]:
|
||||
router_compare_json_output(
|
||||
rt, "show bfd peers json", "step2/show_bfd_peers.ref"
|
||||
)
|
||||
|
||||
|
||||
def test_bfd_isis_interface_failure_rt2_step3():
|
||||
logger.info("Test (step 2): check failover handling when RT2 goes down")
|
||||
tgen = get_topogen()
|
||||
|
||||
# Skip if previous fatal error condition is raised
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
# Let's kill the interface on rt2 and see what happens with the RIB and BFD on rt1
|
||||
tgen.gears["rt2"].link_enable("eth-rt1", enabled=False)
|
||||
|
||||
# By default BFD provides a recovery time of 900ms plus jitter, so let's wait
|
||||
# initial 2 seconds to let the CI not suffer.
|
||||
# TODO: add check for array size
|
||||
sleep(2)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ip route isis json", "step3/show_ip_route_rt2_down.ref", 1, 0
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ipv6 route isis json", "step3/show_ipv6_route_rt2_down.ref", 1, 0
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show bfd peers json", "step3/show_bfd_peers_rt2_down.ref", 1, 0
|
||||
)
|
||||
|
||||
# Check recovery, this can take some time
|
||||
tgen.gears["rt2"].link_enable("eth-rt1", enabled=True)
|
||||
|
||||
router_compare_json_output(
|
||||
"rt1", "show ip route isis json", "step3/show_ip_route_healthy.ref"
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ipv6 route isis json", "step3/show_ipv6_route_healthy.ref"
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show bfd peers json", "step3/show_bfd_peers_healthy.ref"
|
||||
)
|
||||
|
||||
|
||||
def test_bfd_isis_interface_failure_rt3_step3():
|
||||
logger.info("Test (step 2): check failover handling when RT2 goes down")
|
||||
tgen = get_topogen()
|
||||
|
||||
# Skip if previous fatal error condition is raised
|
||||
if tgen.routers_have_failure():
|
||||
pytest.skip(tgen.errors)
|
||||
|
||||
# Let's kill the interface on rt3 and see what happens with the RIB and BFD on rt1
|
||||
tgen.gears["rt3"].link_enable("eth-rt1", enabled=False)
|
||||
|
||||
# By default BFD provides a recovery time of 900ms plus jitter, so let's wait
|
||||
# initial 2 seconds to let the CI not suffer.
|
||||
# TODO: add check for array size
|
||||
sleep(2)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ip route isis json", "step3/show_ip_route_rt3_down.ref", 1, 0
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ipv6 route isis json", "step3/show_ipv6_route_rt3_down.ref", 1, 0
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show bfd peers json", "step3/show_bfd_peers_rt3_down.ref", 1, 0
|
||||
)
|
||||
|
||||
# Check recovery, this can take some time
|
||||
tgen.gears["rt3"].link_enable("eth-rt1", enabled=True)
|
||||
|
||||
router_compare_json_output(
|
||||
"rt1", "show ip route isis json", "step3/show_ip_route_healthy.ref"
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show ipv6 route isis json", "step3/show_ipv6_route_healthy.ref"
|
||||
)
|
||||
router_compare_json_output(
|
||||
"rt1", "show bfd peers json", "step3/show_bfd_peers_healthy.ref"
|
||||
)
|
||||
|
||||
|
||||
def test_memory_leak():
|
||||
"Run the memory leak test and report results."
|
||||
tgen = get_topogen()
|
||||
if not tgen.is_memleak_enabled():
|
||||
pytest.skip("Memory leak test/report is disabled")
|
||||
|
||||
tgen.report_memory_leaks()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
args = ["-s"] + sys.argv[1:]
|
||||
sys.exit(pytest.main(args))
|
||||
Loading…
Reference in New Issue
Block a user