From 090483be6cf72e353e89c5a4fd118b7bdbe57baf Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Thu, 15 Feb 2024 11:28:32 +0100
Subject: Update post-up hook for wireguard

---
 data.d/vpn-wireguard/hooks/post-up | 50 ++++++++++++++++++++++++++++++++------
 1 file changed, 42 insertions(+), 8 deletions(-)

diff --git a/data.d/vpn-wireguard/hooks/post-up b/data.d/vpn-wireguard/hooks/post-up
index 948a9a8..a824a30 100755
--- a/data.d/vpn-wireguard/hooks/post-up
+++ b/data.d/vpn-wireguard/hooks/post-up
@@ -1,10 +1,44 @@
 #!/usr/bin/env bash
 
-# Ping all known hosts, as it seems that the wireguard interface comes up when
-# only after it gets used on the machine itself.
-while read -r addr;
-do
-        ping -c 1 -q -w 1 "$addr" &
-done < <(awk -F= '/vpn-wireguard.ip/ { print $NF }' /etc/bashtard/hosts.d/*)
-
-wait
+readonly COLOR_RESET="\033[0m"
+readonly COLOR_OK="\033[32;1m"
+readonly COLOR_NOK="\033[31;1m"
+
+main() {
+	printf "Verifying connectability...\n"
+
+	# Ping all known hosts, as it seems that the wireguard interface comes up when
+	# only after it gets used on the machine itself.
+	while read -r addr;
+	do
+		check "$addr" &
+	done < <(awk -F= '/vpn-wireguard.ip/ { print $NF }' /etc/bashtard/hosts.d/*)
+
+	wait
+}
+
+check() {
+	local addr="$1"
+
+	if ping -c 1 -q -w 1 "$addr" > /dev/null
+	then
+		log OK "$addr"
+	else
+		log NOK "$addr"
+	fi
+}
+
+log() {
+	local state="$1"
+	local addr="$2"
+	local color="$COLOR_NOK"
+
+	if [[ $state == "OK" ]]
+	then
+		color="$COLOR_OK"
+	fi
+
+	printf "%b%3s%b: %s\n" "$color" "$state" "$COLOR_RESET" "$addr" >&2
+}
+
+main "$@"
-- 
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