From 5b1ce468d7e19d48a90c4fa3a98e45a613fa2b9b Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Sun, 2 Jul 2023 23:31:03 +0300
Subject: [PATCH] ...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 .pct-helpers |  4 +++-
 check-status | 31 +++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/.pct-helpers b/.pct-helpers
index 1560105..a64b611 100644
--- a/.pct-helpers
+++ b/.pct-helpers
@@ -5,6 +5,7 @@ CT_DIR=${CT_DIR:=/etc/pve/lxc/}
 
 
 #----------------------------------------------------------------------
+
 #QUIET=
 #DRY_RUN=
 @(){
@@ -19,7 +20,8 @@ CT_DIR=${CT_DIR:=/etc/pve/lxc/}
 
 
 #----------------------------------------------------------------------
-# get CT hostname...
+# CT hostname <-> id...
+
 ct2hostname(){
 	local ct=${CT_DIR}/${1}.conf
 	local host=$(cat $ct | grep hostname | head -1)
diff --git a/check-status b/check-status
index 5136583..477e577 100644
--- a/check-status
+++ b/check-status
@@ -12,6 +12,37 @@ HTTP_OK_STATUS=${HTTP_OK_STATUS:='2[0-9][0-9]|30[1-9]|401|501'}
 
 
 
+#----------------------------------------------------------------------
+# Help...
+
+case $1 in
+	-h|--help)
+		echo "Do a status check on URL(s)."
+		echo
+		echo "Suage:"
+		echo "    `basename $0` URL ..."
+		echo
+		echo "Supported URL formats and schemes:"
+		echo "    http://<url>"
+		echo "    https://<url>"
+		echo "        Check if <url> is reachable via http/https."
+		echo "    ssh://<url>[:<port>]"
+		echo "        Check if <url> has an open port with a listening ssh server."
+		echo "    git://<url>[:<port>]"
+		echo "        The same as ssh://..."
+		echo "    ovpn://<url>[:<port>]"
+		echo "        Check if an OpenVPN server is listening on <url>."
+		echo "        NOTE: this will not work if 'tls-auth' is enabled but the thing was"
+		echo "            already implemented when I found out about this."
+		echo "    lxc://<ct-id>:<comman>:<args>"
+		echo "        Proxmox-specific set of checks."
+		exit
+		;;
+	*)
+		;;
+esac
+
+
 #----------------------------------------------------------------------
 
 source .pct-helpers