MINOR: server: make the status reporting function support a reason

srv_adm_append_status() was renamed srv_append_status() since it's no
more dedicated to maintenance mode. It now supports a reason which if
not null is appended to the output string.
This commit is contained in:
Willy Tarreau 2014-05-20 21:55:30 +02:00
parent 7b1d47ce1b
commit bda92271e6
2 changed files with 23 additions and 16 deletions

View File

@ -116,12 +116,15 @@ void srv_shutdown_sessions(struct server *srv, int why);
*/ */
void srv_shutdown_backup_sessions(struct proxy *px, int why); void srv_shutdown_backup_sessions(struct proxy *px, int why);
/* Appends some information to a message string related to a server going UP or DOWN. /* Appends some information to a message string related to a server going UP or
* If <forced> is null and the server tracks another one, a "via" information will * DOWN. If both <forced> and <reason> are null and the server tracks another
* be provided to know where the status came from. If xferred is non-negative, some * one, a "via" information will be provided to know where the status came from.
* information about requeued sessions are provided. * If <reason> is non-null, the entire string will be appended after a comma and
* a space (eg: to report some information from the check that changed the state).
* If <xferred> is non-negative, some information about requeued sessions are
* provided.
*/ */
void srv_adm_append_status(struct chunk *msg, struct server *s, int xferred, int forced); void srv_append_status(struct chunk *msg, struct server *s, const char *reason, int xferred, int forced);
/* Puts server <s> into maintenance mode, and propagate that status down to all /* Puts server <s> into maintenance mode, and propagate that status down to all
* tracking servers. This does the same action as the CLI's "disable server x". * tracking servers. This does the same action as the CLI's "disable server x".

View File

@ -186,16 +186,20 @@ void srv_shutdown_backup_sessions(struct proxy *px, int why)
srv_shutdown_sessions(srv, why); srv_shutdown_sessions(srv, why);
} }
/* Appends some information to a message string related to a server going UP or DOWN. /* Appends some information to a message string related to a server going UP or
* If <forced> is null and the server tracks another one, a "via" information will * DOWN. If both <forced> and <reason> are null and the server tracks another
* be provided to know where the status came from. If xferred is non-negative, some * one, a "via" information will be provided to know where the status came from.
* information about requeued sessions are provided. * If <reason> is non-null, the entire string will be appended after a comma and
* a space (eg: to report some information from the check that changed the state).
* If <xferred> is non-negative, some information about requeued sessions are
* provided.
*/ */
void srv_adm_append_status(struct chunk *msg, struct server *s, int xferred, int forced) void srv_append_status(struct chunk *msg, struct server *s, const char *reason, int xferred, int forced)
{ {
if (!forced && s->track) if (reason)
chunk_appendf(msg, " via %s/%s", chunk_appendf(msg, ", %s", reason);
s->track->proxy->id, s->track->id); else if (!forced && s->track)
chunk_appendf(msg, " via %s/%s", s->track->proxy->id, s->track->id);
if (xferred >= 0) { if (xferred >= 0) {
if (s->state == SRV_ST_STOPPED) if (s->state == SRV_ST_STOPPED)
@ -247,7 +251,7 @@ void srv_adm_set_maint(struct server *s, enum srv_admin mode)
"%sServer %s/%s was DOWN and now enters maintenance", "%sServer %s/%s was DOWN and now enters maintenance",
s->flags & SRV_F_BACKUP ? "Backup " : "", s->proxy->id, s->id); s->flags & SRV_F_BACKUP ? "Backup " : "", s->proxy->id, s->id);
srv_adm_append_status(&trash, s, -1, (mode & SRV_ADMF_FMAINT)); srv_append_status(&trash, s, NULL, -1, (mode & SRV_ADMF_FMAINT));
Warning("%s.\n", trash.str); Warning("%s.\n", trash.str);
send_log(s->proxy, LOG_NOTICE, "%s.\n", trash.str); send_log(s->proxy, LOG_NOTICE, "%s.\n", trash.str);
@ -277,7 +281,7 @@ void srv_adm_set_maint(struct server *s, enum srv_admin mode)
s->flags & SRV_F_BACKUP ? "Backup " : "", s->flags & SRV_F_BACKUP ? "Backup " : "",
s->proxy->id, s->id); s->proxy->id, s->id);
srv_adm_append_status(&trash, s, xferred, (mode & SRV_ADMF_FMAINT)); srv_append_status(&trash, s, NULL, xferred, (mode & SRV_ADMF_FMAINT));
Warning("%s.\n", trash.str); Warning("%s.\n", trash.str);
send_log(s->proxy, srv_was_stopping ? LOG_NOTICE : LOG_ALERT, "%s.\n", trash.str); send_log(s->proxy, srv_was_stopping ? LOG_NOTICE : LOG_ALERT, "%s.\n", trash.str);
@ -416,7 +420,7 @@ void srv_adm_set_ready(struct server *s, enum srv_admin mode)
s->flags & SRV_F_BACKUP ? "Backup " : "", s->flags & SRV_F_BACKUP ? "Backup " : "",
s->proxy->id, s->id, s->proxy->id, s->id,
(s->state == SRV_ST_STOPPED) ? "DOWN" : "UP"); (s->state == SRV_ST_STOPPED) ? "DOWN" : "UP");
srv_adm_append_status(&trash, s, xferred, 0); srv_append_status(&trash, s, NULL, xferred, 0);
} }
Warning("%s.\n", trash.str); Warning("%s.\n", trash.str);