feat(user/ping_offline.sh):Add script to ping until it succeeds once

[BK-2020-03.git] / user / ping_offline.sh

diff --git a/user/ping_offline.sh b/user/ping_offline.sh
new file mode 100755 (executable)
index 0000000..e5b7804
--- /dev/null
+++ b/user/ping_offline.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+# Desc:Marks the time when a remote server can be pinged.
+# Depends: GNU Coreutils 8.32 (date, sleep), iputils-ping 3:20211215-1 (ping)
+# Version: 0.0.1
+
+delay=10;
+domain="google.com"
+
+if [[ -n "$1" ]]; then domain="$1"; fi;
+
+printf "%s:STATUS:Starting ping...\n" "$(date -Is)";
+while ! ping -c1 "$domain"; do
+    sleep "$delay";
+done;
+printf "%s:Ping resolved.\n" "$(date -Is)";
+exit 0;