[monitoring-plugins] Docs check_http: make -C obvious

Jan Wagner git at monitoring-plugins.org
Sat Apr 10 13:50:11 CEST 2021

    Module: monitoring-plugins
    Branch: wip-2.3.1
    Commit: 822fb4ebe45d15426165859b185429cd64db4c26
    Author: Stefan Bethke <stb at lassitu.de>
 Committer: Jan Wagner <waja at cyconet.org>
      Date: Wed Oct 10 00:40:07 2018 +0200
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=822fb4e

Docs check_http: make -C obvious

You need to read the docs carefully to realize that check_http has two 
modes of operation: the regular HTTP checks, and a TLS certificate 
check. Only one of these can be run in a single invocation.

Fixes #1553


 plugins/check_http.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/plugins/check_http.c b/plugins/check_http.c
index 986cdf2..0b71266 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -1567,6 +1567,10 @@ print_help (void)
   print_usage ();
+#ifdef HAVE_SSL
+  printf (_("In the first form, make an HTTP request."));
+  printf (_("In the second form, connect to the server and check the TLS certificate."));
   printf (_("NOTE: One or both of -H and -I must be specified"));
   printf ("\n");
@@ -1726,6 +1730,8 @@ print_usage (void)
   printf ("       [-b proxy_auth] [-f <ok|warning|critcal|follow|sticky|stickyport>]\n");
   printf ("       [-e <expect>] [-d string] [-s string] [-l] [-r <regex> | -R <case-insensitive regex>]\n");
   printf ("       [-P string] [-m <min_pg_size>:<max_pg_size>] [-4|-6] [-N] [-M <age>]\n");
-  printf ("       [-A string] [-k string] [-S <version>] [--sni] [-C <warn_age>[,<crit_age>]]\n");
+  printf ("       [-A string] [-k string] [-S <version>] [--sni]\n");
   printf ("       [-T <content-type>] [-j method]\n");
+  printf (" %s -H <vhost> | -I <IP-address> -C <warn_age>[,<crit_age>]\n",progname);
+  printf ("       [-p <port>] [-t <timeout>] [-4|-6] [--sni]\n");

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