From 8eab9df256e3f8bda40632b3ea59cb39edad64ff Mon Sep 17 00:00:00 2001
From: Mike Heier <mike@heier.io>
Date: Sun, 21 Aug 2022 08:53:57 -0500
Subject: [PATCH] Making log output friendlier

---
 update-dns.sh | 47 ++++++++++++++++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 13 deletions(-)

diff --git a/update-dns.sh b/update-dns.sh
index cfdad76..89223d7 100755
--- a/update-dns.sh
+++ b/update-dns.sh
@@ -15,7 +15,22 @@ else
     echo "MISSING .env FILE!"
     exit -1
 fi
-#source .env
+
+#
+# Logging
+# 
+write_log() {
+    logLevel='DEBUG'
+    if [[ ! -z $2 ]]; then
+        echo "$1: $2"
+    else
+        echo "logLevel: $1"
+    fi
+}
+write_message() {
+    write_log 'INFO' "$1"
+}
+
 
 # 
 # CURL to get the bearer token for the following calls
@@ -62,12 +77,11 @@ put_recordset() {
         https://management.azure.com/subscriptions/$SUBSCRIPTION_ID/resourceGroups/$resource_group/providers/Microsoft.Network/dnsZones/$zone_name/$RECORD_TYPE/$RELATIVE_RECORD_SET_NAME?api-version=2018-05-01
 }
 
-# Get an Accesss Token
-#access_token=$(get_token)
-# echo $access_token
-
 resource_group_list=($RESOURCE_GROUP_NAMES)
 zone_list=($ZONE_NAMES)
+
+write_message "======================================="
+write_message "======================================="
 for i in "${!resource_group_list[@]}"; do
     resource_group="${resource_group_list[i]}"
     zone_name="${zone_list[i]}"
@@ -75,31 +89,38 @@ for i in "${!resource_group_list[@]}"; do
 
     # Get the Record Set
     azure_recordset=$(get_recordset)
-    echo "Azure Record Set: $azure_recordset"
+    write_message "Azure Record Set: $zone_name"
 
     # Parse the Record Set
     azure_ip_address=$(get_recordset_address $azure_recordset)
-    echo "Azure IP: $azure_ip_address"
+    write_message "Azure IP: $azure_ip_address"
 
     # Get the currently assigned Public IP
     isp_ip_address=$(dig +short myip.opendns.com @resolver1.opendns.com)
-    echo "ISP IP: $isp_ip_address"
+    write_message "ISP IP: $isp_ip_address"
 
     # If the currently assigned public IP doesn't match the configured IP address in Azure...
     #  update the Azure record set.
     if [ $azure_ip_address != $isp_ip_address ]; then
-        echo "IP ADDRESSES DON'T MATCH. UPDATING..."
+        write_message "IP ADDRESSES DON'T MATCH. UPDATING..."
 
         # Prepare the request content
         azure_recordset_UPDATE=$(update_recordset $isp_ip_address)
-        echo $azure_recordset_UPDATE
+        write_message $azure_recordset_UPDATE
 
         # Perform the Update
         AZURE_PUT_RESPONSE=$(put_recordset $azure_recordset_UPDATE)
-        echo "Azure PUT Response: $AZURE_PUT_RESPONSE"
+        write_message "Azure PUT Response: $AZURE_PUT_RESPONSE"
 
-        echo "Azure IP Address updated successfully"
+	write_message "======================================="
+        write_message $'Azure IP Address updated successfully\n'
+	write_message "======================================="
     else
-        echo "IP Address is up to date."
+	write_message "======================================="
+        write_message $'IP Address is up to date.\n'
+	write_message "======================================="
     fi
 done
+
+write_message "======================================="
+write_message "======================================="