Nest: Add option to control automatic RPKI reload
Also, no automatic reload for BGP channels without import/export table.
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parent
77ce849ecf
commit
d3782c72b9
4 changed files with 36 additions and 9 deletions
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@ -265,6 +265,7 @@ channel_item_:
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| EXPORT LIMIT limit_spec { this_channel->out_limit = $3; }
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| PREFERENCE expr { this_channel->preference = $2; check_u16($2); }
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| IMPORT KEEP FILTERED bool { this_channel->in_keep_filtered = $4; }
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| RPKI RELOAD bool { this_channel->rpki_reload = $3; }
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;
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/* To avoid grammar collision in Pipe protocol */
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36
nest/proto.c
36
nest/proto.c
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@ -175,6 +175,7 @@ proto_add_channel(struct proto *p, struct channel_config *cf)
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c->debug = cf->debug;
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c->merge_limit = cf->merge_limit;
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c->in_keep_filtered = cf->in_keep_filtered;
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c->rpki_reload = cf->rpki_reload;
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c->channel_state = CS_DOWN;
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c->export_state = ES_DOWN;
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@ -383,10 +384,15 @@ channel_roa_subscribe_filter(struct channel *c, int dir)
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{
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const struct filter *f = dir ? c->in_filter : c->out_filter;
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struct rtable *tab;
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int valid = 1, found = 0;
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if ((f == FILTER_ACCEPT) || (f == FILTER_REJECT))
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return;
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/* No automatic reload for BGP channels without in_table / out_table */
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if (c->channel == &channel_bgp)
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valid = dir ? !!c->in_table : !!c->out_table;
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struct filter_iterator fit;
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FILTER_ITERATE_INIT(&fit, f, c->proto->pool);
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@ -396,12 +402,14 @@ channel_roa_subscribe_filter(struct channel *c, int dir)
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{
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case FI_ROA_CHECK_IMPLICIT:
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tab = fi->i_FI_ROA_CHECK_IMPLICIT.rtc->table;
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channel_roa_subscribe(c, tab, dir);
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if (valid) channel_roa_subscribe(c, tab, dir);
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found = 1;
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break;
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case FI_ROA_CHECK_EXPLICIT:
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tab = fi->i_FI_ROA_CHECK_EXPLICIT.rtc->table;
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channel_roa_subscribe(c, tab, dir);
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if (valid) channel_roa_subscribe(c, tab, dir);
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found = 1;
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break;
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default:
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@ -411,6 +419,10 @@ channel_roa_subscribe_filter(struct channel *c, int dir)
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FILTER_ITERATE_END;
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FILTER_ITERATE_CLEANUP(&fit);
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if (!valid && found)
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log(L_WARN "%s.%s: Automatic RPKI reload not active for %s",
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c->proto->name, c->name ?: "?", dir ? "import" : "export");
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}
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static void
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@ -542,8 +554,11 @@ static void
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channel_do_up(struct channel *c)
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{
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/* Register RPKI/ROA subscriptions */
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channel_roa_subscribe_filter(c, 1);
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channel_roa_subscribe_filter(c, 0);
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if (c->rpki_reload)
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{
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channel_roa_subscribe_filter(c, 1);
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channel_roa_subscribe_filter(c, 0);
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}
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}
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static void
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@ -762,6 +777,7 @@ channel_config_new(const struct channel_class *cc, const char *name, uint net_ty
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cf->ra_mode = RA_OPTIMAL;
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cf->preference = proto->protocol->preference;
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cf->debug = new_config->channel_default_debug;
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cf->rpki_reload = 1;
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add_tail(&proto->channels, &cf->n);
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@ -814,6 +830,7 @@ channel_reconfigure(struct channel *c, struct channel_config *cf)
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/* Note that filter_same() requires arguments in (new, old) order */
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int import_changed = !filter_same(cf->in_filter, c->in_filter);
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int export_changed = !filter_same(cf->out_filter, c->out_filter);
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int rpki_reload_changed = (cf->rpki_reload != c->rpki_reload);
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if (c->preference != cf->preference)
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import_changed = 1;
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@ -833,6 +850,7 @@ channel_reconfigure(struct channel *c, struct channel_config *cf)
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c->preference = cf->preference;
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c->debug = cf->debug;
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c->in_keep_filtered = cf->in_keep_filtered;
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c->rpki_reload = cf->rpki_reload;
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channel_verify_limits(c);
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@ -845,11 +863,15 @@ channel_reconfigure(struct channel *c, struct channel_config *cf)
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goto done;
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/* Update RPKI/ROA subscriptions */
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if (import_changed || export_changed)
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if (import_changed || export_changed || rpki_reload_changed)
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{
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channel_roa_unsubscribe_all(c);
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channel_roa_subscribe_filter(c, 1);
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channel_roa_subscribe_filter(c, 0);
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if (c->rpki_reload)
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{
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channel_roa_subscribe_filter(c, 1);
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channel_roa_subscribe_filter(c, 0);
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}
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}
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if (reconfigure_type == RECONFIG_SOFT)
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@ -500,6 +500,7 @@ struct channel_config {
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u32 debug; /* Debugging flags (D_*) */
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u8 merge_limit; /* Maximal number of nexthops for RA_MERGED */
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u8 in_keep_filtered; /* Routes rejected in import filter are kept */
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u8 rpki_reload; /* RPKI changes trigger channel reload */
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};
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struct channel {
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@ -551,6 +552,7 @@ struct channel {
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u8 reload_pending; /* Reloading and another reload is scheduled */
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u8 refeed_pending; /* Refeeding and another refeed is scheduled */
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u8 rpki_reload; /* RPKI changes trigger channel reload */
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struct rtable *out_table; /* Internal table for exported routes */
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@ -154,7 +154,8 @@ pipe_configure_channels(struct pipe_proto *p, struct pipe_config *cf)
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.table = cc->table,
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.out_filter = cc->out_filter,
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.in_limit = cc->in_limit,
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.ra_mode = RA_ANY
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.ra_mode = RA_ANY,
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.rpki_reload = cc->rpki_reload,
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};
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struct channel_config sec_cf = {
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@ -163,7 +164,8 @@ pipe_configure_channels(struct pipe_proto *p, struct pipe_config *cf)
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.table = cf->peer,
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.out_filter = cc->in_filter,
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.in_limit = cc->out_limit,
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.ra_mode = RA_ANY
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.ra_mode = RA_ANY,
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.rpki_reload = cc->rpki_reload,
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};
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return
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