# Recursively list all of the Varnish VCL config files that are included via "include" statements.

list_varnish_includes.sh

#!/bin/bash -e
# list_varnish_includes.sh
# Recursively list all of the Varnish VCL config files that are included via "include" statements.
# This scripts should work in Varnish 2-4+
# Author: Steve Kamerman

if [[ $# -ne 1 ]]; then
    echo "Usage: ./$(basename $0) <path_to_config.vcl>" >&2
    exit 2
fi

CONFIG="$1"
BASE_FILE=$(basename $CONFIG)
BASE_DIR=$(cd $(dirname $CONFIG) && pwd)
ERRORS=0

showIncludesRecursive() {
    local BASE_FILE=$1
    local BASE_DIR=$2

    if [[ ! -f "$BASE_DIR/$BASE_FILE" ]]; then
        echo "Error: base config file does not exist: $BASE_FILE" >&2
        echo "Please provide the relative or absolute path to a Varnish VCL config" >&2
        exit 1
    fi

    echo $BASE_FILE
    for FILE in $(cd $BASE_DIR && grep "^ *include" "$BASE_FILE" | cut -d'"' -f2); do
        if [[ ! -f "$BASE_DIR/$FILE" ]]; then
            echo "Error: Missing include file: $FILE" >&2
            ERRORS=$(( $ERRORS + 1 ))
            continue
        fi
        showIncludesRecursive "$FILE" "$BASE_DIR"
    done
}

showIncludesRecursive "$BASE_FILE" "$BASE_DIR"

if [[ $ERRORS -gt 0 ]]; then
    echo "Some errors were reported!" >&2
    exit 2
fi