#!/bin/bash

# Recipe script for a Gentoo system to check basic configuration

# Define colors to print messages
export RED='\033[1;31m'
export BLUE='\033[1;34m'
export GREEN='\033[1;32m'
export NC='\033[0m' # No Color

# Be sure only root can run the script
if [ "$(id -u)" != "0" ]; then
   echo -e "${RED}ERROR : This script must be run as root${NC}" 1>&2
   exit 1
fi

# Load variables
VARS_FILE='./vars.sh'
if [ -f ${VARS_FILE} ]; then
	source ${VARS_FILE}
else
	echo -e "${RED}ERROR : vars file ${VARS_FILE} not found${NC}" 1>&2
	exit 1
fi

# Check requirements
REQUIREMENTS="CURL GREP ECHO EMERGE NSLOOKUP IP HOSTNAME AWK SED CUT TR PING JQ"
for requirement in $REQUIREMENTS
do
    # Check if requirement tool exit on the system
    which $(eval echo "\$${requirement}") &>/dev/null

    # Return Code
    RC=$?

    if [ ${RC} -ne 0 ]
    then
	echo -e "${RED}ERROR : ${requirement} ($(eval echo "\$${requirement}")) is required to use this script. Requirements are : ${REQUIREMENTS}${NC}"
        exit 1
    fi
done

# Variables used to print the summary messages at the and of the script 
export PACKAGES_TO_CHECK=""
export RESOLV_FAILED=""
export HOSTNAME_A_RECORD_NOT_IN_DNS=0
export HOSTNAME_AAAA_RECORD_NOT_IN_DNS=0
export RESOLVER_NOT_IN_ETC_RESOLVCONF=""
export IP_NOT_RECORDED_IN_DNS=""
export PING_FAILED=""
export SSH_CONFIG_CHECK_FAILED=""
export NRPE_CONFIG_CHECK_FAILED=""
export MUNIN_CONFIG_CHECK_FAILED=""
export MAIL_ALIAS_CONFIG_CHECK_FAILED=""
export SNMP_CONFIG_CHECK_FAILED=""
export POSTFIX_CONFIG_CHECK_FAILED=""
export AUTOBACKUP_CONFIG_CHECK_FAILED=""
export AUTOUPDATE_CONFIG_CHECK_FAILED=""
export IPAM_CONFIG_CHECK_FAILED=""
export PORTAGE_CONFIG_CHECK_FAILED=""
export SERVICES_NOT_STARTED_OR_ERROR=""
export BOOL_CHECK_HOSTNAME=0 # Print message at end script if hostname *.grif or *.grifon.fr not configured  
export BOOL_ADMIN_IPV4_NOT_CONFIGURED=0
export BOOL_ADMIN_IPV6_NOT_CONFIGURED=0
export WRONG_GENTOO_PROFILE_SELECTED=0

# Get ALL locales IPs except loopback
export LOCALES_IP_WITHOUT_LOOPBACK=$(ip addr show scope global | awk '/inet/ { sub(/\/.*$/, "", $2); print $2 }' | sort | uniq)
export IPV6_ADMIN_LAN_IP=$(echo ${LOCALES_IP_WITHOUT_LOOPBACK} | tr " " "\n" | grep ^${IPV6_ADMIN_NETWORK})
export IPV4_ADMIN_LAN_IP=$(echo ${LOCALES_IP_WITHOUT_LOOPBACK} | tr " " "\n" | grep ^${IPV4_ADMIN_NETWORK})

# Help message
usage() {
	printf "Usage: ./recipe_gentoo.sh [--physical]\n"
	printf "option : \t-P, --physical : if the current server is not a VM but a physical machine\n"
	printf "option : \t-h, --help	print this current message\n"
}

# Check parameters
if [ $1 ]; then
	if [ $# -gt 1 ]; then
		echo -e "${RED}ERROR : to much parameters (one MAX)${NC}"
		usage
		exit 0
	# Print help
	elif [ $1 = '-h' ] || [ $1 = '--help' ]; then
		usage
		exit 0
	# Set boolean physical
	elif [ $1 = '-P' ] || [ $1 = '--physical' ];then
		PACKAGES+=(${PACKAGES_PHYSICAL[@]})
		SERVICES_TO_CHECK+=(${SERVICES_TO_CHECK_PHYSICAL[@]})
	# If unknown parameter
	else
		echo -e "${RED}ERROR : unknown parameter${NC}"
		usage
                exit 0
	fi
fi

# Load common functions
. recipes/common_functions.sh

print_config_title 'RECIPE GENTOO - CHECK BASIC CONFIG'

# Voir pour mettre ./ à la place de .

#. recipes/recipe_check_packages.sh

#. recipes/recipe_check_hostname.sh

#. recipes/recipe_check_dns_config.sh

#. recipes/recipe_check_ping.sh

#. recipes/recipe_check_ip_admin.sh

#. recipes/recipe_check_services.sh

. recipes/recipe_check_ssh_config.sh

#. recipes/recipe_check_nrpe_config.sh

#. recipes/recipe_check_munin_config.sh

#. recipes/recipe_check_snmp_config.sh

#. recipes/recipe_check_mail_alias_config.sh

#. recipes/recipe_check_postfix_protocol_config.sh

#. recipes/recipe_check_ipam_config.sh

#. recipes/recipe_check_eselect.sh

#. recipes/recipe_check_autobackup_config.sh

. recipes/recipe_check_autoupdate_config.sh

#. recipes/recipe_check_portage.sh

. recipes/recipe_final_summary.sh

#. recipes/recipe_addtional_manual_verification.sh

exit 0