op-mode: T4429: Ability to detect external IP address

In some cases, it is useful to detect own external IP address
for example if the host behind NAT

Send curl request to random online service from the list
to detect IP address

; show ip external
; 192.0.2.95

1 files changed, 19 insertions, 0 deletions

diff --git a/src/op_mode/show_ip_external.sh b/src/op_mode/show_ip_external.sh
new file mode 100755
index 000000000..275d05278
--- /dev/null
+++ b/src/op_mode/show_ip_external.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# Detect an external IP address
+# Use random services for checking
+
+
+array=(
+    ipinfo.io/ip
+    ifconfig.me
+    ipecho.net/plain
+    icanhazip.com
+    v4.ident.me
+    checkip.amazonaws.com
+)
+
+size=${#array[@]}
+index=$(($RANDOM % $size))
+
+curl --silent ${array[$index]} | tr -d "[:space:]" && echo