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BUG/MEDIUM: peers: local peer socket not bound.

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This bug came with 015e4d7 commit: "MINOR: stick-tables: Add peers process
binding computing" where the "stick" rules cases were missing when computing
the peer local listener process binding. At parsing time we store in the
stick-table struct ->proxies_list the proxies which refer to this stick-table.
The process binding is computed after having parsed the entire configuration file
with this simple loop in cfgparse.c:

     /* compute the required process bindings for the peers from <stktables_list>
      * for all the stick-tables, the ones coming with "peers" sections included.
      */
     for (t = stktables_list; t; t = t->next) {
             struct proxy *p;

             for (p = t->proxies_list; p; p = p->next_stkt_ref) {
                     if (t->peers.p && t->peers.p->peers_fe) {
                             t->peers.p->peers_fe->bind_proc |= p->bind_proc;
                     }
             }
     }

Note that if this process binding is not correctly initialized, the child forked
by the master-worker stops the peer local listener. Should be also the case
when daemonizing haproxy.

Must be backported to 2.0.
This commit is contained in:
Frdric Lcaille 2019-09-02 14:02:28 +02:00 committed by Willy Tarreau
parent cc1eb1619f
commit 9c3a0ceeac
1 changed files with 8 additions and 0 deletions
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8
src/cfgparse.c
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@ -2726,6 +2726,10 @@ int check_config_validity()
mrule->table.t = target;
stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
if (!in_proxies_list(target->proxies_list, curproxy)) {
curproxy->next_stkt_ref = target->proxies_list;
target->proxies_list = curproxy;
}
}
}
@ -2760,6 +2764,10 @@ int check_config_validity()
mrule->table.t = target;
stktable_alloc_data_type(target, STKTABLE_DT_SERVER_ID, NULL);
stktable_alloc_data_type(target, STKTABLE_DT_SERVER_NAME, NULL);
if (!in_proxies_list(target->proxies_list, curproxy)) {
curproxy->next_stkt_ref = target->proxies_list;
target->proxies_list = curproxy;
}
}
}