From 7e5a76e7996ebcba36536c8fecd31a95280f3417 Mon Sep 17 00:00:00 2001 From: B Stack Date: Wed, 6 Dec 2017 06:51:36 -0500 Subject: Initial commit --- files/framework.sh | 406 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 406 insertions(+) create mode 100755 files/framework.sh (limited to 'files/framework.sh') diff --git a/files/framework.sh b/files/framework.sh new file mode 100755 index 0000000..9ef9470 --- /dev/null +++ b/files/framework.sh @@ -0,0 +1,406 @@ +#!/bin/sh +# File: /tmp/framework.sh +# Author: bgstack15@gmail.com +# Startdate: 2014-06-02 15:22 +# Title: Framework for Common Elements in My Scripts +# Purpose: Library of common script elements +# Package: deployed by ansible +# History: fv2017-10-09a=fi2017-10-10x +# 2017-10-09a Stripped down for custom OL7 package version 1p3p1 +# 2017-11-17a Deployed via ansible +# Usage: dot-source this script in ftemplate.sh used by newscript.sh +# Reference: +# Improve: +fversion="2017-11-17a" + +# DEFINE FUNCTIONS + +isflag() { + # input: $1=word to parse + case "$1" in + --*) retval=2;; + -*) retval=1;; + *) retval=0;; + esac + echo $retval +} + +parseParam() { + # determines if --longname or -shortflagS that need individual parsing + trimParam=$( printf '%s' "${param}" | sed -n 's/--//p' ) + _rest= + if test -n "$trimParam"; + then + parseFlag $trimParam + else + #splitShortStrings + _i=2 + while test ${_i} -le ${#param}; + do + _j=$( expr ${_i} + 1) + #_char=$(expr substr "$param" $_i 1) + #_rest=$(expr substr "$param" $_j 255) + _char=$( printf '%s' "${param}" | cut -c ${_i}) + _rest=$( printf '%s' "${param}" | cut -c ${_j}-255) + parseFlag $_char + _i=$( expr ${_i} + 1) + done + fi +} + +getval() { + tempval= + if test -n "${_rest}"; + then + tempval="${_rest}" + hasval=1 + _i=255 # skip rest of splitShortStrings because found the value! + elif test -n "$nextparam" && test $(isflag "$nextparam") -eq 0; + then + tempval="$nextparam" + hasval=1 #DNE; is affected by ftemplate! + paramnum=$nextparamnum + fi +} + +debuglev() { + # call: debuglev 5 && ferror "debug level is at least a five!" + # added 2015-11-17 + localdebug=0; localcheck=0; + fisnum ${debug} && localdebug=${debug} + fisnum ${1} && localcheck=${1} + test $localdebug -ge $localcheck && return 0 || return 1 +} + +fisnum() { + # call: fisnum $1 && debug=$1 || debug=10 + fisnum=; + case $1 in + ''|*[!0-9]*) fisnum=1;; # invalid + *) fisnum=0;; # valid number + esac + return ${fisnum} +} + +fistruthy() { + # call: if fistruthy "$val"; then + local _return= + case "$( echo "${1}" | tr '[:upper:]' '[:lower:]' )" in + yes|1|y|true|always) _return=true;; + esac + test -n "${_return}"; return $? +} + +setval() { + # call: setval 0 value1 value2 value3 ... <&2 +} + +linecat() { + # call: linecat "foo" "bar" + # output: foobar + printf "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n" "$1" "$2" "$3" "$4" "$5" "$6" "$7" "$8" "$9" "${10}" "${11}" "${12}" "${13}" "${14}" "${15}" +} + +prepend() { while read prependinput; do linecat "$@" "$prependinput"; done; } +append() { while read appendinput; do linecat "$appendinput" "$@"; done; } + +setmailopts() { + setval 0 sendsh sendopts</dev/null | awk '/Bcast|broadcast/{print $2}' | tr -cd '[^0-9\.\n]' | head -n1 ) +thisos="$( uname -s )" +# get thisflavor and thisflavorversion. Examples: centos, ubuntu, redhat +if test -f /etc/os-release; +then + eval thisflavor=$( grep -iE "^\s*ID=" /etc/os-release 2>/dev/null | sed 's/^.*=//;' | tr 'A-Z' 'a-z' ) + eval thisflavorversion=$( grep -iE "^\s*PRETTY_NAME=" /etc/os-release 2>/dev/null | sed -e 's/^.*=//;' | tr -dc '0-9.' ) +elif test -f /etc/system-release && test $( wc -l < /etc/system-release 2>/dev/null ) -eq 1; +then + eval thisflavor=$( awk '{print $1}' < /etc/system-release 2>/dev/null | tr 'A-Z' 'a-z' ) + eval thisflavorversion=$( /dev/null | tr -dc '0-9.' ) +else + if test "${thisos}" = "FreeBSD"; then + thisflavor="$( uname -i )"; thisflavorversion="$( uname -r )"; + else + thisflavor="other" + thisflavorversion="unknown" + fi +fi +case "${thisos}" in FreeBSD) sed=gsed;; *) sed=sed;; esac + +# if framework is dot sourced then $0 will be "-bash" and screw things up +case ${0} in + "-bash") + scriptdir="$( pwd )" + scriptfile="dot-sourced";; + *) + scriptdir="$( cd $( dirname ${0} ); pwd )" + scriptfile="$( basename ${0} | sed 's!/./!/!g;s!\./!!g' )" + scripttrim="${scriptfile%%.sh}" + ;; +esac + +# SPECIAL RUNTIME-RELATED VARIABLES +thisppid=$( ps -p $$ -o ppid | awk 'NR>1' | tr -d ' ' ) +cronpid=$( ps -ef | grep -E "/c[r]on" | grep -vE "grep.*-E.*cron|[0-9]\s*vi " | awk '{print $2}' ) +test "$cronpid" = "$thisppid" && is_cronjob=1 +test ! -t 0 && stdin_piped=1 +test ! -t 1 && stdout_piped=1 +test ! -t 2 && stderr_piped=1 +test "$( tty 2>&1 )" = "not a tty" && stdin_local=1 +test "$USER" = "root" && is_root=1 +test -n "$SUDO_USER" && is_root="sudo" + +nullflagcount=0 +validateparams() { + # VALIDATE PARAMETERS + # scroll through all parameters and check for isflag. + # if isflag, get all flags listed. Also grab param#. + paramcount=$# + thiscount=0;thisopt=0;freeopt=0; + varsyet=0 + paramnum=0 + debug=0 + fallopts= + while test $paramnum -lt $paramcount; + do + paramnum=$( expr ${paramnum} + 1 ) + eval param=\${$paramnum} + nextparamnum=$( expr ${paramnum} + 1 ) + eval nextparam=\${$nextparamnum} + case $param in + "-") + if test "$varsyet" = "0"; + then + # first instance marks beginning of flags and parameters. + #Until then it was the names of variables to fill. + varsyet=1 + else + nullflagcount=$( expr ${nullflagcount} + 1 ) #useful for separating flags from something else? + debuglev 10 && ferror "null flag!" # second instance is null flag. + fi + ;; + esac + if test -n "$param"; + then + # parameter $param exists. + if test $(isflag $param) -gt 0; + then + # IS FLAG + parseParam + else + # IS VALUE + if test "$varsyet" = "0"; + then + thisopt=$( expr ${thisopt} + 1 ) + test "${param}" = "DEBUG" && debug=10 && thisopt=$( expr ${thisopt} - 1 ) || \ + eval "varname${thisopt}=${param}" + #varname[${thisopt}]="${param}" + debuglev 10 && ferror "var \"${param}\" named" + else + thiscount=$( expr ${thiscount} + 1 ) + test $thiscount -gt $thisopt && freeopt=$( expr ${freeopt} + 1 ) + #eval ${varname[${thiscount}]:-opt${freeopt}}="\"${param}\"" + eval "thisvarname=\${varname${thiscount}}" + test -z "${thisvarname}" && eval "thisvarname=opt${freeopt}" + eval "${thisvarname}=\"${param}\"" + eval fallopts=\"${fallopts} ${param}\" + debuglev 10 && ferror "${thisvarname} value: ${param}" + fi + fi + fi + done + fallopts="${fallopts# }" + if debuglev 10; + then + ferror "thiscount=$thiscount" + ferror "fallopts=$fallopts" + ferror "Framework $fversion" + ferror "Finput $fiversion" + fi +} + +# PROCEDURAL SECTION ( NOT MAIN HOWEVER; THIS IS STILL LIBRARY ) +echo " $@ " | grep -qiE -- "--fcheck" 1>/dev/null 2>&1 && { echo "$fversion" | sed 's/[^0-9]//g;'; } || setmailopts -- cgit