Add script 'set_remote_munin_server_ip.sh'.
This commit is contained in:
parent
a9c645b635
commit
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47
conf/set_remote_munin_server_ip.conf.sample
Normal file
47
conf/set_remote_munin_server_ip.conf.sample
Normal file
@ -0,0 +1,47 @@
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# ---------------------------------------------------------------
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# - Parameter Settings for script 'set_remote_munin_server_ip.sh'.
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# ----------------------------------------------------------------
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# - MUNIN_CONF_FILE
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# -
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# - Location of munin-node.conf file
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# -
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# - Defaults to MUNIN_CONF_FILE="/etc/munin/munin-node.conf"
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# -
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#MUNIN_CONF_FILE="/etc/munin/munin-node.conf"
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# - IPT_IPV4_CONF_FILE
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# -
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# - Location of configuration file for IPv4 firewall (iptables)
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# -
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# - Defaults to IPT_IPV4_CONF_FILE="/etc/ipt-firewall/main_ipv4.conf"
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# -
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#IPT_IPV4_CONF_FILE="/etc/ipt-firewall/main_ipv4.conf"
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# - IPT_IPV6_CONF_FILE
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# -
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# - Location of configuration file for IPv6 firewall (ip6tables)
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# -
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# - Defaults to IPT_IPV6_CONF_FILE="/etc/ipt-firewall/main_ipv6.conf"
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# -
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#IPT_IPV6_CONF_FILE="/etc/ipt-firewall/main_ipv6.conf"
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# - IPV4_FIREWALL_SCRIPT
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# -
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# - Location of IPv4 firewall script
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# -
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# - Defaults to IPV4_FIREWALL_SCRIPT="/usr/local/sbin/ipt-firewall-server"
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# -
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#IPV4_FIREWALL_SCRIPT="/usr/local/sbin/ipt-firewall-server"
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# - IPV6_FIREWALL_SCRIPT
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# -
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# - Location of IPv6 firewall script
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# -
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# - Defaults to IPV6_FIREWALL_SCRIPT="/usr/local/sbin/ip6t-firewall-server"
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# -
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#IPV6_FIREWALL_SCRIPT="/usr/local/sbin/ip6t-firewall-server"
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629
set_remote_munin_server_ip.sh
Executable file
629
set_remote_munin_server_ip.sh
Executable file
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#!/usr/bin/env bash
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script_name="$(basename $(realpath $0))"
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/${script_name%%.*}.conf"
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LOCK_DIR="/tmp/$(basename $0).$$.LOCK"
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log_file="${LOCK_DIR}/${script_name%%.*}.log"
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backup_date="$(date +%Y-%m-%d-%H%M)"
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# -------------
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# - Default values
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# -------------
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# - Give your default values here
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# -
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LOGGING=false
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BATCH_MODE=false
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DEFAULT_MUNIN_CONF_FILE="/etc/munin/munin-node.conf"
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DEFAULT_IPT_IPV4_CONF_FILE="/etc/ipt-firewall/main_ipv4.conf"
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DEFAULT_IPT_IPV6_CONF_FILE="/etc/ipt-firewall/main_ipv6.conf"
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DEFAULT_IPV4_FIREWALL_SCRIPT="/usr/local/sbin/ipt-firewall-server"
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DEFAULT_IPV6_FIREWALL_SCRIPT="/usr/local/sbin/ip6t-firewall-server"
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# ----------
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# Base Function(s)
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# ----------
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usage() {
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[[ -n "$1" ]] && error "$1"
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[[ $terminal ]] && echo -e "
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\033[1mUsage:\033[m
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$(basename $0) [OPTION [OPTION ..
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\033[1mDescription\033[m
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Script sets the munin server ip-address at the munin configuration itself
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and also at firewall configuration (from gitrepository ipt-server).
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\033[1mOptions\033[m
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-b
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Runs script in batch mode.
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-4 <new-ipv4-address>
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The new IPv4 address for the munin server.
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-6 <new-ipv6-address>
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The new IPv6 address for the munin server.
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\033[1mFiles\033[m
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$conf_file: Configuration file
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\033[1mExample:\033[m
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Set IPv4 address of remote munin server to '138.201.33.54'
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$(basename $0) -4 138.201.33.54
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Set IPv4 address of remote munin server to '138.201.33.54' and set also
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the IPv6 address to '2a01:4f8:171:3493::54'
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$(basename $0) -4 138.201.33.54 -6 2a01:4f8:171:3493::54
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"
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clean_up 1
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}
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clean_up() {
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# Perform program exit housekeeping
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rm -rf "$LOCK_DIR"
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blank_line
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exit $1
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}
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echononl(){
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n " $*\\c" 1>&2
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else
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echo -e -n " $*" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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fatal(){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ] $*"
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else
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echo -e " [ Fatal ] $*"
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fi
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echo ""
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if $terminal ; then
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echo -e " \033[1mScript terminated\033[m.."
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else
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echo -e " Script terminated.."
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fi
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echo ""
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rm -rf $LOCK_DIR
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exit 1
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}
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error (){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mError\033[m ] $*"
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else
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echo " [ Error ] $*"
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fi
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echo ""
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}
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warn (){
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if $LOGGING || $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[33m\033[1mWarn\033[m ] $*"
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else
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echo " [ Warn ] $*"
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fi
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echo ""
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fi
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}
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todo (){
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if $LOGGING || $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[33m\033[1mToDo\033[m ] $*"
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else
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echo " [ ToDo ] $*"
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fi
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echo ""
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fi
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}
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info (){
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if $LOGGING || $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[32m\033[1mInfo\033[m ] $*"
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else
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echo " [ Info ] $*"
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fi
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echo ""
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fi
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}
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echo_done() {
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if $terminal ; then
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echo -e "\033[80G[ \033[32mdone\033[m ]"
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fi
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}
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echo_ok() {
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if $terminal ; then
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echo -e "\033[80G[ \033[32mok\033[m ] "
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fi
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}
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echo_failed(){
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if $terminal ; then
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echo -e "\033[80G[ \033[1;31mfailed\033[m ]"
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fi
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}
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echo_skipped() {
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if $terminal ; then
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echo -e "\033[80G[ \033[33m\033[1mskipped\033[m ]"
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fi
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}
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echo_wait(){
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if $terminal ; then
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echo -en "\033[80G[ \033[5m\033[1m...\033[m ]"
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fi
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}
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blank_line() {
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if $terminal ; then
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echo ""
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fi
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}
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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# - Remove leading/trailling whitespaces
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# -
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trim() {
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local var="$*"
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var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
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var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
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echo -n "$var"
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}
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is_valid_ipv4() {
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local -a octets=( ${1//\./ } )
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local RETURNVALUE=0
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# return an error if the IP doesn't have exactly 4 octets
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[[ ${#octets[@]} -ne 4 ]] && return 1
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for octet in ${octets[@]}
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do
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if [[ ${octet} =~ ^[0-9]{1,3}$ ]]
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then # shift number by 8 bits, anything larger than 255 will be > 0
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((RETURNVALUE += octet>>8 ))
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else # octet wasn't numeric, return error
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return 1
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fi
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done
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return ${RETURNVALUE}
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}
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is_valid_ipv6() {
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local _ipv6="$1"
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_regex_ipv6='^([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4}$'
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if [[ "$_ipv6" =~ ${_regex_ipv6} ]]; then
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return 0
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else
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return 1
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fi
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}
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# ----------
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# - Jobhandling
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# ----------
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# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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# - Create lock directory '$LOCK_DIR"
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#
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mkdir "$LOCK_DIR"
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# ----------
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# - Some checks ..
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# ----------
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# - Running in a terminal?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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terminal=false
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BATCH_MODE=true
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fi
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# - Is 'systemd' supported on this system
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# -
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# -Is systemd supported on this system?
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# -
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systemd_supported=false
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systemd=$(which systemd)
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systemctl=$(which systemctl)
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if [[ -n "$systemd" ]] && [[ -n "$systemctl" ]] ; then
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systemd_supported=true
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fi
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# - Print help?
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# -
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if [[ "$(trim $*)" = "-h" ]] || [[ "$(trim $*)" = "--help" ]] ; then
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usage
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fi
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if [[ -z "$(which basename)" ]]; then
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fatal 'It seems "basename" is not installed, but needed!'
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fi
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if [[ -z "$(which realpath)" ]]; then
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fatal 'It seems "realpath" is not installed, but needed!'
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fi
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# ==========
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# - Begin Main Script
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# ==========
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# ----------
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# - Headline
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# ----------
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if $terminal ; then
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echo ""
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echo -e "\033[1m----------\033[m"
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echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m"
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echo -e "\033[1m----------\033[m"
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fi
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# ----------
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# Read Configurations from $conf_file
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# ----------
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if [[ -f "$conf_file" ]]; then
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source "$conf_file"
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else
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warn "No configuration file '$conf_file' present."
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fi
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[[ -z "$MUNIN_CONF_FILE" ]] && MUNIN_CONF_FILE="$DEFAULT_MUNIN_CONF_FILE"
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[[ -z "$IPT_IPV4_CONF_FILE" ]] && IPT_IPV4_CONF_FILE="$DEFAULT_IPT_IPV4_CONF_FILE"
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[[ -z "$IPT_IPV6_CONF_FILE" ]] && IPT_IPV6_CONF_FILE="$DEFAULT_IPT_IPV6_CONF_FILE"
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[[ -z "$IPV4_FIREWALL_SCRIPT" ]] && IPV4_FIREWALL_SCRIPT="$DEFAULT_IPV4_FIREWALL_SCRIPT"
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[[ -z "$IPV6_FIREWALL_SCRIPT" ]] && IPV6_FIREWALL_SCRIPT="$DEFAULT_IPV6_FIREWALL_SCRIPT"
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# ----------
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# - Read commandline parameter
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# ----------
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while getopts 4:6:bh opt ; do
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case $opt in
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b) BATCH_MODE=true
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;;
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h) usage
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;;
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4) new_ipv4=$OPTARG ;;
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6) new_ipv6=$OPTARG ;;
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\?) usage ;;
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esac
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done
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if [[ -n "$new_ipv4" ]] && ! $(is_valid_ipv4 $new_ipv4) ; then
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if $BATCH_MODE ; then
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fatal "The given IPv4 address '$new_ipv4' is not a valid!"
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else
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warn "The given IPv4 address '$new_ipv4' is not a valid!"
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new_ipv4=""
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fi
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elif ! $BATCH_MODE && [[ -z "$new_ipv4" ]]; then
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warn "No IPv4 address for new munin server given!"
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fi
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if ! $BATCH_MODE && [[ -z "$new_ipv4" ]]; then
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo " Insert IPv4 Address of the Munin Server"
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echo ""
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echo -e " Type \"\033[33mNone\033[m\" if no IPv4 Address for Munin Server should be assigned"
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echo ""
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while [[ -z "$new_ipv4" ]] ; do
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echononl "IPv4 Munin Server: "
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read new_ipv4
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if [[ -z "$new_ipv4" ]] ; then
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echo -e "\n \033[33m\033[1mIPv4 Address is required!\033[m\n"
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continue
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fi
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if [[ "${new_ipv4,,}" = "none" ]]; then
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new_ipv4=""
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break
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fi
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if ! $(is_valid_ipv4 $new_ipv4) ; then
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echo -e "\n \033[33m\033[1m$new_ipv4 is not a valid IPv4 Address!\033[m\n"
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new_ipv4=""
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fi
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done
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fi
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if [[ -n "$new_ipv6" ]] && ! $(is_valid_ipv6 $new_ipv6) ; then
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if $BATCH_MODE ; then
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fatal "The given IPv6 address '$new_ipv6' is not a valid!"
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else
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warn "The given IPv6 address '$new_ipv6' is not a valid!"
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new_ipv6=""
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fi
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elif ! $BATCH_MODE && [[ -z "$new_ipv6" ]]; then
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warn "No IPv6 address for new munin server given!"
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fi
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if ! $BATCH_MODE && [[ -z "$new_ipv6" ]]; then
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warn "No IPv6 address for new munin server given!"
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo " Insert IPv6 Address of the Munin Server"
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echo ""
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echo -e " Type \"\033[33mNone\033[m\" if no IPv6 Address for Munin Server should be assigned"
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echo ""
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while [[ -z "$new_ipv6" ]] ; do
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echononl "IPv6 Munin Server: "
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read new_ipv6
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if [[ -z "$new_ipv6" ]] ; then
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echo -e "\n \033[33m\033[1mIPv6 Address is required!\033[m\n"
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continue
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fi
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if [[ "${new_ipv6,,}" = "none" ]]; then
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new_ipv6=""
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break
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fi
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if ! $(is_valid_ipv6 $new_ipv6) ; then
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echo -e "\n \033[33m\033[1m$new_ipv6 is not a valid IPv6 Address!\033[m\n"
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new_ipv6=""
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fi
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done
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fi
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if [[ -z "$new_ipv4" ]] && [[ -z "$new_ipv6" ]] ; then
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fatal "Neither an IPv4 address nor an IPv6 Address for the new munin server given!"
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fi
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if $terminal ; then
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echo ""
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echo -e " \033[32m\033[1m----------\033[m"
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echo ""
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if [[ -n "$new_ipv4" ]] ; then
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echo " IPv4 Address of Munin Server.....: $new_ipv4"
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else
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echo -e " IPv4 Address of Munin Server.....: \033[33mNone\033[m"
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fi
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if [[ -n "$new_ipv6" ]] ; then
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echo " IPv6 Address of Munin Server.....: $new_ipv6"
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else
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echo -e " IPv6 Address of Munin Server.....: \033[33mNone\033[m"
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fi
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echo ""
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echo -e " \033[32m\033[1m----------\033[m"
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echo ""
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fi
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if $terminal && ! $BATCH_MODE ; then
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echo
|
||||
echo -n " Type upper case 'YES' to start: "
|
||||
read OK
|
||||
if [[ "$OK" != "YES" ]] ; then
|
||||
fatal "Abort by user request - Answer as not 'YES'"
|
||||
fi
|
||||
echo ""
|
||||
fi
|
||||
|
||||
|
||||
if [[ -n "$new_ipv4" ]] ; then
|
||||
|
||||
echononl "Adjust file '$IPT_IPV4_CONF_FILE'.."
|
||||
if [[ ! -f "$IPT_IPV4_CONF_FILE" ]] ; then
|
||||
echo_skipped
|
||||
warn "No IPv4 configuration file '$IPT_IPV4_CONF_FILE' for iptables found."
|
||||
else
|
||||
perl -i.BAK.$backup_date -n -p -e "s/^\s*munin_remote_ip=.*/munin_remote_ip=${new_ipv4}/" $IPT_IPV4_CONF_FILE 2> $log_file
|
||||
if [[ $? -gt 0 ]] ;then
|
||||
echo_falied
|
||||
error "$(cat $log_file)"
|
||||
else
|
||||
echo_ok
|
||||
fi
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
if [[ -n "$new_ipv6" ]] ; then
|
||||
|
||||
echononl "Adjust file '$IPT_IPV6_CONF_FILE'.."
|
||||
if [[ ! -f "$IPT_IPV6_CONF_FILE" ]] ; then
|
||||
echo_skipped
|
||||
warn "No IPv6 configuration file '$IPT_IPV6_CONF_FILE' for ip6tables found."
|
||||
else
|
||||
perl -i.BAK.$backup_date -n -p -e "s/^\s*munin_remote_ip=.*/munin_remote_ip=${new_ipv6}/" $IPT_IPV6_CONF_FILE 2> $log_file
|
||||
if [[ $? -gt 0 ]] ;then
|
||||
echo_falied
|
||||
error "$(cat $log_file)"
|
||||
else
|
||||
echo_ok
|
||||
fi
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
blank_line
|
||||
|
||||
echononl "Backup existent configuration file '$MUNIN_CONF_FILE'.."
|
||||
if [[ -f "$MUNIN_CONF_FILE" ]]; then
|
||||
mv "$MUNIN_CONF_FILE" "${MUNIN_CONF_FILE}.BAK.${backup_date}" > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
|
||||
echononl "Adjust munin configuration file '$MUNIN_CONF_FILE'.."
|
||||
echo_wait
|
||||
_found=false
|
||||
while IFS='' read -r _line || [[ -n $_line ]] ; do
|
||||
if [[ "$_line" =~ ^[[:space:]]*allow[[:space:]]+\^ ]] ; then
|
||||
if ! $_found ; then
|
||||
echo "allow ^127\\.0\\.0\\.1\$" >> "$MUNIN_CONF_FILE"
|
||||
echo "allow ^::1\$" >> "$MUNIN_CONF_FILE"
|
||||
if [[ -n "$new_ipv4" ]] ; then
|
||||
|
||||
IFS='.' read -r -a ipv4_arr <<< "$new_ipv4"
|
||||
_allow_ipv4_str="allow ^${ipv4_arr[0]}"
|
||||
declare -i i=1
|
||||
while [[ i -lt ${#ipv4_arr[@]} ]] ; do
|
||||
_allow_ipv4_str="${_allow_ipv4_str}\\.${ipv4_arr[$i]}"
|
||||
((i++))
|
||||
done
|
||||
echo "$_allow_ipv4_str\$" >> "$MUNIN_CONF_FILE"
|
||||
fi
|
||||
[[ -n "$new_ipv6" ]] && echo "allow ^$new_ipv6\$" >> "$MUNIN_CONF_FILE"
|
||||
fi
|
||||
_found=true
|
||||
continue
|
||||
fi
|
||||
echo "$_line" >> "$MUNIN_CONF_FILE"
|
||||
done < "${MUNIN_CONF_FILE}.BAK.${backup_date}"
|
||||
echo_ok
|
||||
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
else
|
||||
echo_skipped
|
||||
warn "No munin configuration file '$MUNIN_CONF_FILE' found."
|
||||
fi
|
||||
|
||||
|
||||
# - Restart OpenDKIM
|
||||
# -
|
||||
if $terminal ; then
|
||||
echo ""
|
||||
echo -e " \033[32m-----\033[m"
|
||||
echo ""
|
||||
fi
|
||||
|
||||
echononl "Restart IPv4 firewall.."
|
||||
echo_wait
|
||||
if $systemd_supported ; then
|
||||
systemctl restart ipt-firewall.service > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
else
|
||||
$IPV4_FIREWALL_SCRIPT > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
fi
|
||||
|
||||
echononl "Restart IPv6 firewall.."
|
||||
echo_wait
|
||||
if $systemd_supported ; then
|
||||
systemctl restart ip6t-firewall.service > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
else
|
||||
$IPV6_FIREWALL_SCRIPT > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
fi
|
||||
|
||||
echononl "Restart munin-node service.."
|
||||
echo_wait
|
||||
if $systemd_supported ; then
|
||||
systemctl restart munin-node > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
else
|
||||
/etc/init.d/munin-node restart > $log_file 2>&1
|
||||
if [[ $? -eq 0 ]] ; then
|
||||
echo_ok
|
||||
else
|
||||
echo_failed
|
||||
error "$(cat $log_file)"
|
||||
fi
|
||||
fi
|
||||
|
||||
|
||||
blank_line
|
||||
clean_up 0
|
||||
Loading…
Reference in New Issue
Block a user