test

common.sh

@@ -1,7 +1,20 @@
 #!/bin/bash
 
 #-----------------------------------------------------------------------------------------------
-#--------------------- Common Shared Functions -------------------------------------------------
+# --------------------- Common Shared Functions for Unraid Scripts -----------------------------
+#-----------------------------------------------------------------------------------------------
+#----------------- User Variables, Please adjust in Master.conf as needed ----------------------
+#-----------------------------------------------------------------------------------------------
+# 
+# Nothing to adjust here, all user variables should be in Master.conf
+#
+# This is just a script that has all common functions and logic that are shared
+# between the different scripts. 
+#
+# This way we can avoid code duplication and have a single source 
+# of truth for all common functions and logic.
+#-----------------------------------------------------------------------------------------------
+#---------------End Of User Variables, Please adjust in Master.conf as needed ------------------
 #-----------------------------------------------------------------------------------------------
 
 # Load Master.conf
@@ -19,7 +32,7 @@ load_master_conf() {
     fi
 }
 
-# Parse CLI arguments
+# Parse CLI args
 parse_args() {
     DRY_RUN=${DRY_RUN:-false}
 
@@ -57,59 +70,11 @@ validate_int() {
     fi
 }
 
-# Require variable
+# Require variable to be set
 require_var() {
     local var="$1"
     if [[ -z "${!var:-}" ]]; then
         echo "Error: Required variable $var is not set."
         exit 1
     fi
-}
-
-# Detect hosts + SSH key + Tailscale IP
-detect_hosts() {
-    LOCAL_HOSTNAME="$(hostname)"
-
-    if [[ "$LOCAL_HOSTNAME" == "$HOST1" ]]; then
-        LOCAL_SERVER_NAME="$HOST1"
-        REMOTE_SERVER_NAME="$HOST2"
-    elif [[ "$LOCAL_HOSTNAME" == "$HOST2" ]]; then
-        LOCAL_SERVER_NAME="$HOST2"
-        REMOTE_SERVER_NAME="$HOST1"
-    else
-        echo "Error: Local hostname ($LOCAL_HOSTNAME) not recognized."
-        exit 1
-    fi
-
-    echo "Local server: $LOCAL_SERVER_NAME"
-    echo "Remote server: $REMOTE_SERVER_NAME"
-
-    # Resolve Tailscale IP
-    REMOTE_SERVER=$(tailscale ip -4 "$REMOTE_SERVER_NAME" 2>/dev/null)
-
-    if [[ -z "$REMOTE_SERVER" ]]; then
-        echo "Error: Could not resolve Tailscale IP for $REMOTE_SERVER_NAME"
-        exit 1
-    fi
-
-    # Validate SSH_KEYS
-    if [[ "$(declare -p SSH_KEYS 2>/dev/null)" != declare\ -A* ]]; then
-        echo "Error: SSH_KEYS is not a valid associative array."
-        exit 1
-    fi
-
-    KEY_ID="$LOCAL_SERVER_NAME|$REMOTE_SERVER_NAME"
-
-    # Debug (safe to keep)
-    echo "DEBUG: KEY_ID=$KEY_ID"
-    echo "DEBUG: Available keys: ${!SSH_KEYS[@]}"
-
-    if [[ -n "${SSH_KEYS[$KEY_ID]}" ]]; then
-        SSH_KEY="${SSH_KEYS[$KEY_ID]}"
-    else
-        echo "Error: No SSH key defined for $LOCAL_SERVER_NAME → $REMOTE_SERVER_NAME"
-        exit 1
-    fi
-
-    echo "Using SSH key: $SSH_KEY"
 }