175 lines
6.1 KiB
Plaintext
175 lines
6.1 KiB
Plaintext
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#!/bin/bash
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## Configuration reading ##
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function param() {
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if [ -z "$1" ] || [ ! -f "$1" ] || [ -z "$2" ]; then
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echo "Configuration file not specified or doesn't exist."
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exit 1;
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fi
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grep '^'"$2"'=' "$1" | sed 's#^'"$2"'='"##"
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return
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}
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## Visual Functions ##
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# These function creates a visual indicator that a step has happened.
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function header () {
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tput setaf 1; tput bold; echo $@; tput sgr0; return
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}
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function errorheader () {
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tput setaf 1 1>&2; tput bold 1>&2; echo $@ 1>&2; tput sgr0 1>&2; return
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}
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## Storage functions ##
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function addfs() {
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if [ -z "$1" ] || [ -z "$2" ] || (echo "$3" | egrep -v -E '^[0-9]{1,4}'); then
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echo "Need a filesystem(1), volume group path(2), and size (3)"
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return
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fi
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lvcreate -L $3"G" -n "$(echo $2 | cut -f 4 -d '/')" "$(echo $2 | cut -f 3 -d '/')"
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mkfs.ext4 -m 0 -E nodiscard "$2"
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tune2fs -e remount-ro "$2"
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tune2fs -c 1 "$2"
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mkdir "$1"
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echo "$2 $1 ext4 defaults 1 2" >> /etc/fstab
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mount "$1" &>/dev/null
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}
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#This function will forcibly remove a filesystem 1 and lv 2 from a VG
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function forciblyremove() {
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if [ -z "$1" ] || [ -z "$2" ]; then
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echo "Need a filesystem(1) and volume group path(2)"
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elif [ -z "$(mount | grep " ""$1"" ")" ]; then
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errorheader Filesystem is not mounted -- cannot safely remove mount point.
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else
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fuser -km "$1"
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umount -l "$1"
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rm -Rf "$1"
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fi
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lvremove -f "$2"
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sed -i "/\/$(echo $2 | rev | cut -f 1 -d '/' | rev) /d" /etc/fstab
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}
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## Date Math Functions ##
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# These move dates to be used by AT jobs. They accept an date-style argument and return the new date in format YYMMDDHHMM.
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#This function returns a new date incremented by (1)seconds
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function incrementdate() {
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if [ -z "$2" ]; then
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currDateS=$(date +%s)
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else
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currDateS=$(date -d "$2" +%s)
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fi
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targetDateS=$(($currDateS + $1))
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echo $(date -d '@'$targetDateS +%y%m%d%H%M)
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}
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#This function returns a new date decremented by (1)seconds
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function decrementdate() {
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if [ -z "$2" ]; then
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currDateS=$(date +%s)
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else
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currDateS=$(date -d "$2" +%s)
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fi
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targetDateS=$(($currDateS - $1))
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echo $(date -d '@'$targetDateS +%y%m%d%H%M)
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}
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## QA Functions ##
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# This is for QA to test sanitizing input
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function qaunittest {
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if [ -z "$1" ] || [ -z "$2" ]; then
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echo Usage: qaunittest function input expectedreturn inputarguments
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exit
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fi
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function="$1"
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userinput="$2"
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expectedreturn="$3"
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fnargs="$4"
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input="input""$inputcount"
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cmd="$(printf "source /usr/local/src/SharedLibraries/Bash/header;%s '%s' '%s' %s >/dev/null;echo \$%s" "$function" "$input" "Input" "$fnargs" "$input")"
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export $input="$(bash -c "$cmd" <<EOM
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$(echo -ne $userinput)
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EOM
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)"
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if [ "${!input}" == "$expectedreturn" ]; then
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tput setaf 2; printf "PASS "; tput sgr0; echo -- found ${!input} in \'$(echo $cmd | cut -f 2 -d ';')\'
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else
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tput setaf 1; printf "FAIL "; tput sgr0; echo -- found ${!input} \(expected $expectedreturn\) in \'$(echo $cmd | cut -f 2 -d ';')\'
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fi
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export inputcount=$(($inputcount + 1))
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return
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}
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## Prompt functions ##
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## All input should pass through these to ensure it's appropriately sanitized.
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## Do not use read statements directly!
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## We do not unset the variable ${!1} so that if the script is accepting command-line arguments that are invalid the user is prompted.
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export maxattempts=5
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# This function will prompt the user for variable 1 with string 2 until it gets a nonempty answer.
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function prompt-var() {
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if [ -z "$1" ] || [ -z "$2" ]; then
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echo "Need a variable name (1) and a prompt string (2)"
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return 1;
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fi
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inputtime="0"
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#echo "$0 is checking for $1 -- currently set to <${!1}>"
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while [ -z "${!1}" ] || (echo "${!1}" | egrep -v '^[-0-9a-zA-Z ,.@]{1,50}$' &>/dev/null); do
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printf "%s: " "$2";
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read $1;
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if [ "${!1}" == "OPT" ] || [ $inputtime -gt $maxattempts ]; then exit 0; fi
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inputtime=$(($inputtime + 1))
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done
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return 0;
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}
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# This function will prompt the user for variable 1 with string 2 until it gets a nonempty answer.
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function prompt-var-len() {
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if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then
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echo "Need a variable name (1), prompt string (2), and a length (3)"
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return 1;
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fi
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inputtime="0"
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#echo "$0 is checking for $1 -- currently set to <${!1}>"
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while [ -z "${!1}" ] || (echo "${!1}" | grep -v -E "^[0-9a-zA-Z]{1,$3}$" &>/dev/null); do
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printf "%s (Max length: %s): " "$2" "$3";
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read $1;
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if [ "${!1}" == "OPT" ] || [ $inputtime -gt $maxattempts ]; then exit 0; fi
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inputtime=$(($inputtime + 1))
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done
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return 0;
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}
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# This function will prompt the user for variable 1 with string 2 until it gets a nonempty answer.
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function prompt-password() {
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if [ -z "$1" ] || [ -z "$2" ]; then
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echo "Need a variable name (1) and a prompt string (2)"
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return 1;
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fi
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inputtime="0"
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#echo "$0 is checking for $1 -- currently set to <${!1}>"
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while [ -z "${!1}" ] || [ $(echo ${!1} | wc -c) -gt 50 ]; do
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printf "%s: " "$2";
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read -s $1;
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if [ "${!1}" == "OPT" ] || [ $inputtime -gt $maxattempts ]; then exit 0; fi
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echo
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inputtime=$(($inputtime + 1))
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done
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return 0;
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}
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#This function will prompt the user for a variable 1 with string 2 until it gets an answer between min 3 and max 4.
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function prompt-num-var() {
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if [ -z "$1" ] || [ -z "$2" ] || [ "$3" -ne "$3" ] || [ "$4" -le "$3" ]; then
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echo "Need a variable name (1), prompt string (2), min (3), and max (4)";
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echo 1: $1;
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echo 2: $2;
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echo 3: $3;
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echo 4: $4;
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return 1;
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fi
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inputtime="0"
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#echo "$0 is checking for $1 -- currently set to <${!1}>"
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while [ -z "${!1}" ] || (echo "${!1}" | grep -v -E "^[0-9]{1,8}$" &>/dev/null) || [ "${!1}" -lt "$3" ] || [ "${!1}" -gt "$4" ]; do
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printf "%s (between %s and %s): " "$2" "$3" "$4";
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read $1;
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if [ "${!1}" == "OPT" ] || [ $inputtime -gt $maxattempts ]; then exit 0; fi
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inputtime=$(($inputtime + 1))
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done
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return 0;
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}
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