MINOR: startup: HAPROXY_STARTUP_VERSION contains the version used to start
HAPROXY_STARTUP_VERSION: contains the version used to start, in
master-worker mode this is the version which was used to start the
master, even after updating the binary and reloading.
This patch could be backported in every version since it is useful when
debugging.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 370b960..beae7db 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -778,6 +778,10 @@
* HAPROXY_MASTER_CLI: In master-worker mode, listeners addresses of the master
CLI, separated by semicolons.
+* HAPROXY_STARTUP_VERSION: contains the version used to start, in master-worker
+ mode this is the version which was used to start the master, even after
+ updating the binary and reloading.
+
In addition, some pseudo-variables are internally resolved and may be used as
regular variables. Pseudo-variables always start with a dot ('.'), and are the
only ones where the dot is permitted. The current list of pseudo-variables is:
diff --git a/src/haproxy.c b/src/haproxy.c
index 3025d5a..308f418 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -1490,6 +1490,8 @@
char *tmp;
int len;
+ setenv("HAPROXY_STARTUP_VERSION", HAPROXY_VERSION, 0);
+
/* First, let's initialize most global variables */
totalconn = actconn = listeners = stopping = 0;
killed = pid = 0;