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ldm_config.sh
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#!/usr/bin/ksh
#
# **** Note: The main code starts after the line containing "main:" ****
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License, Version 1.0 only
# (the "License"). You may not use this file except in compliance
# with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2006, 2007 Bernd Schemmer All rights reserved.
# Use is subject to license terms.
# Notes:
#
# - use "ldm_config.sh {-v} {-v} -h" to get the usage help
#
# - replace "scriptt.sh" with the name of your script
# - change the parts marked with "???" and "??" to your need
#
# - use "ldm_config.sh -H 2 >scriptt.sh.doc" to get the documentation
#
# - this is a Kornshell script - it may not function correctly in other shells
# - the script was written and tested with ksh88 but should also work in ksh93
#
##
# -----------------------------------------------------------------------------
##
## ldm_config.sh - config scripts for LDoms
##
## Author: Bernd Schemmer (Bernd.Schemmer@gmx.de)
##
## Version: see variable ${__SCRIPT_VERSION} below
## (see variable ${__SCRIPT_TEMPLATE_VERSION} for the template
## version used)
##
## Supported OS: Solaris and others
##
##
## Description
##
## This script provides some additional configuration tasks for LDoms
##
## Configuration file
##
## This script supports a configuration file called <scriptname>.conf.
## The configuration file is searched in the working directory,
## the home directory of the user executing this script and /etc
## (in this order).
##
## The configuration file is read before the parameter are read.
##
## See the variable __CONFIG_PARAMETER below for the possible entries in
## the config file.
##
## Predefined parameter
##
## see the subroutines ShowShortUsage and ShowUsage
##
## Note: The current version of the script template can be found here:
##
## http://bnsmb.de/solaris/scriptt.html
##
##
## Credits
## wpollock (http://wikis.sun.com/display/~wpollock)
## -- http://wikis.sun.com/display/BigAdmin/A+Script+Template+and+Useful+Techniques+for+ksh+Scripts?focusedCommentId=12517624#comment-12517624
##
## Source for the function PrintWithTimeStamp:
## Bernd Fingers blog:
## http://blogs.sun.com/blogfinger/entry/prepend_command_output_lines_with
##
##
## History:
## 01.09.2008 v0.0.0.1 /bs
## initial release
## 03.09.2008 v0.0.0.2 /bs
## added the actions
## list_ldoms
## stop_domain
## start_domain
## restart_domain
## 05.09.2008 v0.0.3 /bs
## added the actions
## create_primary_ldom / configure_primary_ldom
## save_initial_config
## post_config_ldom
## check_mac_addresses
## start_ldom_consoleservice
## 05.10.2008 v0.0.4 /bs
## added the actions
## configure_install_network
##
## script template History
## -----------------------
## 1.22.0 08.06.2006 /bs (BigAdmin Version 1)
## public release; starting history for the script template
##
## 1.22.1 12.06.2006 /bs
## added true/false to CheckYNParameter and ConvertToYesNo
##
## 1.22.2. 21.06.2006 /bs
## added the parameter -V
## added the use of environment variables
## added the variable __NO_TIME_STAMPS
## added the variable __NO_HEADERS
## corrected a bug in the function executeCommandAndLogSTDERR
## added missing return commands
##
## 1.22.3 24.06.2006 /bs
## added the function StartStop_LogAll_to_logfile
## added the variable __USE_TTY (used in AskUser)
## corrected an spelling error (dev/nul instead of /dev/null)
##
## 1.22.4 06.07.2006 /bs
## corrected a bug in the parameter error handling routine
##
## 1.22.5 27.07.2006 /bs
## corrected some minor bugs
##
## 1.22.6 09.08.2006 /bs
## corrected some minor bugs
##
## 1.22.7 17.08.2006 /bs
## add the CheckParameterCount function
## added the parameter -T
## added long parameter support (e.g --help)
##
## 1.22.8 07.09.2006 /bs
## added code to save the env variable LANG and set it temporary to C
##
## 1.22.9 20.09.2006 /bs
## corrected code to save the env variable LANG and set it temporary to C
##
## 1.22.10 21.09.2006 /bscontent/sunsolve/archives/082007.html
## cleanup comments
## the number of temporary files created automatically is now variable
## (see the variable __NO_OF_TEMPFILES)
## added code to install the trap handler in all functions
##
## 1.22.11 19.10.2006 /bs
## corrected a minor bug in AskUser (/c was not interpreted by echo)
## corrected a bug in the handling of the parameter -S (-S was ignored)
##
## 1.22.12 31.10.2006 /bs
## added the variable __REQUIRED_ZONE
##
## 1.22.13 13.11.2006 /bs
## the template now uses TMP or TEMP if set for the temporary files
##
## 1.22.14 14.11.2006 /bs
## corrected a bug in the function AskUser (the default was y not n)
##
## 1.22.15 21.11.2006 /bs
## added initial support for other Operating Systems
##
## 1.22.16 05.07.2007 /bs
## enhanced initial support for other Operating Systems
## Support for other OS is still not fully tested!
##
## 1.22.17 06.07.2007 /bs
## added the global variable __TRAP_SIGNAL
##
## 1.22.18 01.08.2007 /bs
## __OS_VERSION and __OS_RELEASE were not set - corrected
##
## 1.22.19 04.08.2007 /bs
## wrong function used to print "__TRAP_SIGNAL is \"${__TRAP_SIGNAL}\"" - fixed
##
## 1.22.20 12.09.2007 /bs
## the script now checks the ksh version if running on Solaris
## made some changes for compatibility with ksh93
##
## 1.22.21 18.09.2007 /bs (BigAdmin Version 2)
## added the variable __FINISHROUTINES
## changed __REQUIRED_ZONE to __REQUIRED_ZONES
## added the variable __KSH_VERSION
## reworked the trap handling
##
## 1.22.22 23.09.2007 /bs
## added the signal handling for SIGUSR1 and SIGUSR2 (variables __SIGUSR1_FUNC and __SIGUSR2_FUNC)
## added user defined function for the signals HUP, BREAK, TERM, QUIT, EXIT, USR1 and USR2
## added the variables __WARNING_PREFIX, __ERROR_PREFIX, __INFO_PREFIX, and __RUNTIME_INFO_PREFIX
## the parameter -T or --tee can now be on any position in the parameters
## the default output file if called with -T or --tee is now
## /var/tmp/${0##*/}.$$.tee.log
##
## 1.22.23 25.09.2007 /bs
## added the environment variables __INFO_PREFIX, __WARNING_PREFIX,
## __ERROR_PREFIX, and __RUNTIME_INFO_PREFIX
## added the environment variable __DEBUG_HISTFILE
## reworked the function to print the usage help :
## use "-h -v" to view the extented usage help and use "-h -v -v" to
## view the environment variables used also
##
## 1.22.24 05.10.2007 /bs
## another minor fix for ksh93 compatibility
##
## 1.22.25 08.10.2007 /bs
## only spelling errors corrected
##
## 1.22.26 19.11.2007 /bs
## only spelling errors corrected
##
## 1.22.27 29.12.2007 /bs
## improved the code to create the lockfile (thanks to wpollock for the info; see credits above)
## improved the code to create the temporary files (thanks to wpollock for the info; see credits above)
## added the function rand (thanks to wpollock for the info; see credits above)
## the script now uses the directory name saved in the variable $TMPDIR for temporary files
## if it's defined
## now the umask used for creating temporary files can be changed (via variable __TEMPFILE_UMASK)
##
## 1.22.28 12.01.2008 /bs
## corrected a syntax error in the show usage routine
## added the function PrintWithTimestamp (see credits above)
##
## 1.22.29 31.01.2008 /bs
## there was a bug in the new code to remove the lockfile which prevented
## the script from removing the lockfile at program end
## if the lockfile already exist the script printed not the correct error
## message
##
##
## 1.22.30 28.02.2008 /bs
## Info update: executeCommandAndLog does NOT return the RC of the executed
## command if a logfile is defined
## added inital support for CYGWIN
## (tested with CYGWIN_NT-5.1 v..1.5.20(0.156/4/2)
## Most of the internal functions are NOT tested yet in CYGWIN
## GetCurrentUID now supports UIDs greater than 254; the function now prints the UID to STDOUT
## Corrected bug in GetUserName (only a workaround, not the solution)
## now using printf in the AskUserRoutine
##
## 1.22.30 28.02.2008 /bs
## The lockfile is now also deleted if the script crashes because of a syntax error or something like this
##
## 1.22.31 18.03.2008 /bs
## added the version number to the start and end messages
## an existing config file is now removed (and not read) if the script is called with -C to create a config file
##
## 1.22.32 04.04.2008 /bs
## minor changes for zone support
##
## ----------------
## Version variables
##
## __SCRIPT_VERSION - the version of your script
##
# Note: CYGWIN ksh does not like typeset -r
##
typeset __SCRIPT_VERSION="v0.0.0.4"
##
## __SCRIPT_TEMPLATE_VERSION - version of the script template
##
typeset __SCRIPT_TEMPLATE_VERSION="1.22.31 18.03.2008"
##
## ----------------
##
## Predefined return codes:
##
## 1 - show usage and exit
## 2 - invalid parameter found
##
## 210 - 237 reserved for the runtime system
## 238 - unsupported Operating system
## 239 - script runs in a not supported zone
## 240 - internal error
## 241 - a command ended with an error (set -e is necessary to activate this trap)
## 242 - the current user is not allowed to execute this script
## 243 - invalid machine architecture
## 244 - invalid processor type
## 245 - invalid machine platform
## 246 - error writing the config file
## 247 - include script not found
## 248 - unsupported OS version
## 249 - Script not executed by root
## 250 - Script is already running
##
## 251 - QUIT signal received
## 252 - User break
## 253 - TERM signal received
## 254 - unknown external signal received
##
## ----------------
## Used environment variables
##
#
# The variable __USED_ENVIRONMENT_VARIABLES is used in the function ShowUsage
#
__USED_ENVIRONMENT_VARIABLES="
## __DEBUG_CODE
## __RT_VERBOSE_LEVEL
## __QUIET_MODE
## __VERBOSE_MODE
## __VERBOSE_LEVEL
## __OVERWRITE_MODE
## __USER_BREAK_ALLOWED
## __NO_TIME_STAMPS
## __NO_HEADERS
## __USE_COLORS
## __USE_RBAC
## __TEE_OUTPUT_FILE
## __INFO_PREFIX
## __WARNING_PREFIX
## __ERROR_PREFIX
## __RUNTIME_INFO_PREFIX
## __DEBUG_HISTFILE
"
#
# binaries and scripts used in this script:
#
# basename cat cp cpio cut date dd dirname expr find grep id ln ls nawk prtdiag pwd
# reboot rm sed sh tee touch tty umount uname who zonename
#
# /usr/bin/pfexec
# /usr/ucb/whoami or $( whence whoami )
# /usr/openwin/bin/resize or $( whence resize )
#
# AIX: oslevel
#
# -----------------------------------------------------------------------------
# variables for the trap handler
__FUNCTION="main"
# alias to install the trap handler
#
# Note: The statement LINENO=${LINENO} is necessary to use the variable LINENO in the trap command
#
alias __settrap="
LINENO=\${LINENO}
trap 'GENERAL_SIGNAL_HANDLER SIGHUP \${LINENO} \${__FUNCTION}' 1
trap 'GENERAL_SIGNAL_HANDLER SIGINT \${LINENO} \${__FUNCTION}' 2
trap 'GENERAL_SIGNAL_HANDLER SIGQUIT \${LINENO} \${__FUNCTION}' 3
trap 'GENERAL_SIGNAL_HANDLER SIGTERM \${LINENO} \${__FUNCTION}' 15
trap 'GENERAL_SIGNAL_HANDLER SIGUSR1 \${LINENO} \${__FUNCTION}' USR1
trap 'GENERAL_SIGNAL_HANDLER SIGUSR2 \${LINENO} \${__FUNCTION}' USR2
"
##
## ----------------
## ##### general hints
##
## Do not use variable names beginning with __ (these are reserved for
## internal use)
##
# -----------------------------------------------------------------------------
## __KSH_VERSION - ksh version (either 88 or 93)
##
__KSH_VERSION=88 ; f() { typeset __KSH_VERSION=93 ; } ; f ;
# save the language setting and switch the language temporary to C
#
__SAVE_LANG="${LANG}"
LANG=C
export LANG
# -----------------------------------------------------------------------------
## ##### constants
##
## __TRUE - true (0)
## __FALSE - false (1)
##
# Note: CYGWIN ksh does not like typeset -r
##
typeset __TRUE=0
typeset __FALSE=1
## ----------------
## __OS - Operating system (e.g. SunOS)
##
__OS="$( uname -s )"
case ${__OS} in
CYGWIN* ) set +o noclobber
;;
* )
:
;;
esac
## ----------------
## internal variables
##
## __TRAP_SIGNAL - current trap caught by the trap handler
## This is a global variable that can be used in the exit routines
##
__TRAP_SIGNAL=""
# -----------------------------------------------------------------------------
## __USE_RBAC - set this variable to ${__TRUE} to execute this script
## with RBAC
## default is ${__FALSE}
##
## Note: You can also set this environment variable before starting the script
##
__USE_RBAC=${__USE_RBAC:=${__FALSE}}
# -----------------------------------------------------------------------------
## __TEE_OUTPUT_FILE - name of the output file if called with the parameter -T
## default: var/tmp/$( basename $0 ).$$.tee.log
##
## Note: You can also set this environment variable before starting the script
##
__TEE_OUTPUT_FILE="${__TEE_OUTPUT_FILE:=/var/tmp/${0##*/}.$$.tee.log}"
# -----------------------------------------------------------------------------
# use the parameter --tee to automatically call the script and pipe
# all output to tee
if [ "${__PPID}"x = ""x ] ; then
__PPID=$PPID ; export __PPID
if [[ \ $*\ == *\ -T* || \ $*\ == *\ --tee\ * ]] ; then
echo "Saving STDOUT and STDERR to \"${__TEE_OUTPUT_FILE}\" ..."
exec $0 $@ 2>&1 | tee -a "${__TEE_OUTPUT_FILE}"
__MAINRC=$?
echo "STDOUT and STDERR saved in \"${__TEE_OUTPUT_FILE}\"."
exit ${__MAINRC}
fi
fi
[ "${__PPID}"x = ""x ] && __PPID=$PPID ; export __PPID
# -----------------------------------------------------------------------------
#
# Set the variable ${__USE_RBAC} to ${__TRUE} to activate RBAC support
#
# Allow the use of RBAC to control who can access this script. Useful for
# administrators without root permissions
#
if [ "${__USE_RBAC}" = "${__TRUE}" ] ; then
if [ "$_" != "/usr/bin/pfexec" -a -x /usr/bin/pfexec ]; then
/usr/bin/pfexec $0 $*
exit $?
else
echo "${0%%*/} ERROR: /usr/bin/pfexec not found or not executable!" >&2
exit 238
fi
fi
# -----------------------------------------------------------------------------
##
## ##### defined variables that may be changed
##
## __DEBUG_CODE - code executed at start of every sub routine
## Note: Use always "__DEBUG_CODE="eval ..." if you want to use variables or aliases
## Default debug code : none
##
# __DEBUG_CODE='eval echo $__FUNCTION'
## __FUNCTION_INIT - code executed at start of every sub routine
## (see the hints for __DEBUG_CODE)
## Default init code : install the trap handlers
##
if [[ ${__OS} == CYGWIN* ]] ; then
__FUNCTION_INIT=""
else
__FUNCTION_INIT=" eval __settrap"
fi
##
## sample debug code:
## __DEBUG_CODE=" eval echo Entering the subroutine \${__FUNCTION} ... "
##
## Note: Use an include script for more complicate debug code, e.g.
## __DEBUG_CODE=" eval . /var/tmp/mydebugcode"
##
## __CONFIG_PARAMETER
## The variable __CONFIG_PARAMETER contains the configuration variables
##
## The defaults for these variables are defined here. You
## can use a config file to overwrite the defaults.
##
## Use the parameter -C to create a default configuration file
##
## Note: The config file is read and interpreted via ". configfile"
## therefore you can also add some code her
##
__CONFIG_PARAMETER='
# extension for backup files
DEFAULT_BACKUP_EXTENSION=".$$.backup"
# default values for the parameter
# parameter -d
DEFAULT_LDOMS_TO_PROCESS="primary"
# parameter -x
DEFAULT_LDOM_TASKS=""
# parameter -o
DEFAULT_LDOM_OUTPUT_FILE=""
# parameter -s
DEFAULT_LDOM_SCRIPT_FILE=""
# parameter -c
DEFAULT_CURRENT_COMMENT=""
# parameter -a
DEFAULT_PROCESS_ALL_GUEST_LDOMS=${__FALSE}
# no parameter defined for the following variables:
DEFAULT_LDM_SAVE_DIR="${LDM_SAVE_DIR:=/var/db/ldom}"
DEFAULT_LDM_CONFIG_NAME="${LDM_CONFIG_NAME:=production}"
# only change the following variables if you know what you are doing #
# no further internal variables defined yet
#
# Note you can redefine any variable that is initialized before calling
# ReadConfigFile here!
'
# end of config parameters
## __SHORT_DESC - short description (for help texts, etc)
## Change to your need
##
# Note: CYGWIN ksh does not like typeset -r
##
typeset __SHORT_DESC="LDom configuration script"
## __LONG_USAGE_HELP - Additional help if the script is called with
## the parameter "-v -h"
##
## Note: To use variables in the help text use the variable name without
## an escape character, eg. ${OS_VERSION}
##
__LONG_USAGE_HELP='
-d ldom_name
Define the LDom to process
Long format: --ldom
Current value: ${LDOMS_TO_PROCESS}
-c comment
Define a comment for the script file
(only used for tasks that change the configuration!)
Long format: --comment
Current value: ${CUR_COMMENT}
-x task
Define the tasks to execute for the current LDom
Long format: --task
Current value: ${LDOM_TASKS}
Known tasks to view the configuration:
list_ldoms
list the status of one or more ldoms
list_vdisks
list_vdisks_verbose
list all vdisks defined for a LDom
list_vdiskserverdevices_verbose
list all vdiskserverdevices defined for a LDom
list_vnets
list_vnets_verbose
list_vnets_table
list all vnets defined for a LDom
list_vswitches
list_vswitches_verbose
list all vswitches defined for a LDom
list_vnets_mac
list the mac addressees for the vnets defined for a LDom
check_mac_addresses
check the mac addresses of the virtual switches
Known tasks to change the configuration:
configure_primary_ldom
configure the primary LDom with the recommended configuration
set_vswitches_mac_address
configure the mac addresses of the vswitches to be equal with
the mac addresses of the attached network adapters
configure_vswitches
create the /etc/hostname.vsw* files for the vswitches and remove the
files /etc/hostname.<adaptername> for the attached network adapter
activate_vswitches
plumb and configure the vswitches for which a /etc/hostname.vsw* exists
and unplumb the attached physical network adapters
configure_network_adapters
create the file /etc/hostname.<adaptername> for the network adapters which
are attached to a vswitch and remove the existing configuration files
for the vswitches (/etc/hostname.vsw*)
activate_network_adapters
plumb and configure the network adapters for which a /etc/hostname.<adaptername>
exists and unplumb the vswitches to which these adapters are attached
reconfigure_vnets
remove the vnets from te LDom and reattach them
reattach_vdisks
not implemented yet!
start_ldom_consoleservice
start the console service for Guest LDoms
list_ldoms
view the status of a LDom
stop_domain
stop a LDom
start_domain
start a LDom
restart_domain
stop and start a LDom
save_config
save the current LDom configuration to XML files and to the nvram
Notes:
Set the environment variable LDM_SAVE_DIR before calling
the script to change the directory for the ldom configuration
The current value is: "${LDM_SAVE_DIR}"
Set the environment variable LDM_CONFIG_NAME before calling
the script to change the name of the ldom configuration
The current value is: "${LDM_CONFIG_NAME}"
The parameter -s is NOT supported for this task!
save_initial_config
saves the initial LDom configuration with the name "initial"
The parameter -s is NOT supported for this task!
post_config_ldom
execute post configuration tasks for Guest LDoms
Note: This task needs root access via ssh to the Guest LDom!
configure_install_network
configure the installation network adapter with the values from the
nvarmrc variable network-boot-argumnets
configure_primary_network
this is an alias for the tasks
set_vswitches_mac_address configure_vswitches activate_vswitches
-o outputfile
Define the output file for the command output for tasks that only
list the configuration
-s scriptfile
Write the commands to execute into the file scriptfile instead of
executing them.
The tasks to change the configuration will only write the commands
to the script file if -s is used!
Long format: --scriptfile
Current value: ${LDOM_SCRIPT_FILE}
-A process all guest ldoms
Long format: --all_guestldoms
Current value: $( ConvertToYesNo ${PROCESS_ALL_GUEST_LDOMS} )
'
## __SHORT_USAGE_HELP - Additional help if the script is called with the parameter "-h"
##
## Note: To use variables in the help text use the variable name without an escape
## character, eg. ${OS_VERSION}
##
__SHORT_USAGE_HELP='
[-d ldom] -x task [...] [-s scriptfile] [-o outputfile] [-A|+A] [-c comment]
Known tasks:
list_vdisks list_vdisks_verbose list_vdiskserverdevices_verbose
list_vnets list_vnets_verbose list_vnets_table list_vswitches list_vswitches_verbose
list_vnets_mac check_mac_addresses
set_vswitches_mac_address reconfigure_vnets
configure_vswitches configure_network_adapters activate_vswitches activate_network_adapters
save_config save_initial_config
list_ldoms stop_domain start_domain restart_domain
post_config_ldom start_ldom_consoleservice
configure_primary_network
configure_install_network
'
## __MUST_BE_ROOT - run script only by root (def.: false)
## set to ${__TRUE} for scripts that must be executed by root only
##
__MUST_BE_ROOT=${__TRUE}
## __REQUIRED_USERID - required userid to run this script (def.: none)
## use blanks to separate multiple userids
## e.g. "oracle dba sysdba"
## "" = no special userid required
##
__REQUIRED_USERID=""
## __REQUIRED_ZONES - required zones (either global, non-global or local
## or the names of the valid zones)
## (def.: none)
## "" = no special zone required
##
__REQUIRED_ZONES="global"
## __ONLY_ONCE - run script only once at a time (def.: false)
## set to ${__TRUE} for scripts that can not run more than one instance at
## the same time
##
__ONLY_ONCE=${__TRUE}
## __ REQUIRED_OS - required OS (uname -s) for the script (def.: none)
## use blanks to separate the OS names if the script runs under multiple OS
## e.g. "SunOS"
##
__REQUIRED_OS="SunOS"
## __REQUIRED_OS_VERSION - required OS version for the script (def.: none)
## minimum OS version necessary, e.g. 5.10
## "" = no special version necessary
##
__REQUIRED_OS_VERSION=""
## __REQUIRED_MACHINE_PLATFORM - required machine platform for the script (def.: none)
## required machine platform (uname -i) , e.g "i86pc"; use blanks to separate
## the multiple machine types, e.g "Sun Fire 3800 i86pc"
## "" = no special machine type necessary
##
__REQUIRED_MACHINE_PLATFORM=""
## __REQUIRED_MACHINE_CLASS - required machine class for the script (def.: none)
## required machine class (uname -m) , e.g "i86pc" ; use blanks to separate
## the multiple machine classes, e.g "sun4u i86pc"
## "" = no special machine class necessary
##
__REQUIRED_MACHINE_CLASS="sun4v"
## __REQUIRED_MACHINE_ARC - required machine architecture for the script (def.: none)
## required machine architecture (uname -p) , e.g "i386" ; use blanks to separate
## the machine architectures if more than one entry, e.g "sparc i386"
## "" = no special machine architecture necessary
##
__REQUIRED_MACHINE_ARC=""
## __VERBOSE_LEVEL - count of -v parameter (def.: 0)
##
## Note: You can also set this environment variable before starting the script
##
typeset -i __VERBOSE_LEVEL=${__VERBOSE_LEVEL:=0}
## __RT_VERBOSE_LEVEL - level of -v for runtime messages (def.: 1)
##
## e.g. 1 = -v -v is necessary to print info messages of the runtime system
## 2 = -v -v -v is necessary to print info messages of the runtime system
##
## Note: You can also set this environment variable before starting the script
##
typeset -i __RT_VERBOSE_LEVEL=${__RT_VERBOSE_LEVEL:=1}
## __QUIET_MODE - do not print messages to STDOUT (def.: false)
## use the parameter -q/+q to change this variable
##
## Note: You can also set this environment variable before starting the script
##
__QUIET_MODE=${__QUIET_MODE:=${__FALSE}}
## __VERBOSE_MODE - print verbose messages (def.: false)
## use the parameter -v/+v to change this variable
##
## Note: You can also set this environment variable before starting the script
##
__VERBOSE_MODE=${__VERBOSE_MODE:=${__FALSE}}
## __NO_TIME_STAMPS - Do not use time stamps in the messages (def.: false)
##
## Note: You can also set this environment variable before starting the script
##
__NO_TIME_STAMPS=${__NO_TIME_STAMPS:=${__FALSE}}
## __NO_HEADERS - Do not print headers and footers (def.: false)
##
## Note: You can also set this environment variable before starting the script
##
__NO_HEADERS=${__NO_HEADERS:=${__FALSE}}
## __FORCE - do the action anyway (def.: false)
## If this variable is set to ${__TRUE} the function "die" will return
## if called with an RC not zero (instead of aborting the script)
## use the parameter -f/+f to change this variable
##
__FORCE=${__FALSE}
## __USE_COLORS - use colors (def.: false)
## use the parameter -a/+a to change this variable
##
## Note: You can also set this environment variable before starting the script
##
__USE_COLORS=${__USE_COLORS:=${__FALSE}}
## __USER_BREAK_ALLOWED - CTRL-C aborts the script or not (def.: true)
## (no parameter to change this variable)
##
## Note: You can also set this environment variable before starting the script
##
__USER_BREAK_ALLOWED=${__USER_BREAK_ALLOWED:=${__TRUE}}
## __NOECHO - turn echo off while reading input from the user
## do not echo the user input in AskUser if __NOECHO is set to ${__TRUE}
##
__NOECHO=${__FALSE}
## __USE_TTY - write prompts and read user input from /dev/tty (def.: false)
## If __USE_TTY is ${__TRUE} the function AskUser writes the prompt to /dev/tty
## and the reads the user input from /dev/tty . This is useful if STDOUT is
## redirected to a file.
##
__USE_TTY=${__FALSE}
## __OVERWRITE mode - overwrite existing files or not (def.: false)
## use the parameter -O/+O to change this variable
##
## Note: You can also set this environment variable before starting the script
##
__OVERWRITE_MODE=${__OVERWRITE_MODE:=${__FALSE}}
## __DEBUG_MODE - use single step mode for main (def.: false)
## use the parameter -D/+D to change this variable
##
__DEBUG_MODE=${__FALSE}
__SCRIPT_ARRAY[0]=0
## __TEMPDIR - directory for temporary files
## The default is $TMPDIR (if defined), or $TMP (if defined),
## or $TEMP (if defined) or /tmp if none of the variables is
## defined
##
__TEMPDIR="${TMPDIR:-${TMP:-${TEMP:-/tmp}}}"
## __NO_OF_TEMPFILES
## number of automatically created tempfiles that are deleted at program end
## (def. 2)
## Note: The variable names for the tempfiles are __TEMPFILE1, __TEMPFILE2, etc.
##
__NO_OF_TEMPFILES=2
## __TEMPFILE_UMASK
## umask for creating temporary files (def.: 177)
##
__TEMPFILE_UMASK=177
## __LIST_OF_TMP_MOUNTS - list of mounts that should be umounted at program end
##
__LIST_OF_TMP_MOUNTS=""
## __LIST_OF_TMP_DIRS - list of directories that should be removed at program end
##
__LIST_OF_TMP_DIRS=""
## __LIST_OF_TMP_FILES - list of files that should be removed at program end
##
__LIST_OF_TMP_FILES=""
## __EXITROUTINES - list of routines that should be executed before the script ends
## Note: These routines are called *before* temp files, temp directories, and temp
## mounts are removed
##
__EXITROUTINES=""
## __FINISHROUTINES - list of routines that should be executed before the script ends
## Note: These routines are called *after* temp files, temp directories, and temp
## mounts are removed
##
__FINISHROUTINES=""
## __SIGNAL_SIGUSR1_FUNCTION - name of the function to execute if the signal SIGUSR1 is received
## default signal handling: none
##
__SIGNAL_SIGUSR1_FUNCTION=""
## __SIGNAL_SIGUSR2_FUNCTION - name of the function to execute if the signal SIGUSR2 is received
## default signal handling: none
##
__SIGNAL_SIGUSR2_FUNCTION=""
## __SIGNAL_SIGHUP_FUNCTION - name of the function to execute if the signal SIGHUP is received
## default signal handling: switch the verbose mode on or off
## If a user defined function ends with a return code not equal zero the default
## action fro the SIGHUP signal is not executed.
##
__SIGNAL_SIGHUP_FUNCTION=""
## __SIGNAL_SIGINT_FUNCTION - name of the function to execute if the signal SIGINT is received
## default signal handling: end the script if __USER_BREAK_ALLOWED is ${__TRUE} else ignore the signal
## If a user defined function ends with a return code not equal zero the default
## action for the SIGINT signal is not executed.
##
__SIGNAL_SIGINT_FUNCTION=""
## __SIGNAL_SIGQUIT_FUNCTION - name of the function to execute if the signal SIGQUIT is received
## default signal handling: end the script
## If a user defined function ends with a return code not equal zero the default
## action for the SIGQUIT signal is not executed.
##
__SIGNAL_SIGQUIT_FUNCTION=""
## __SIGNAL_SIGTERM_FUNCTION - name of the function to execute if the signal SIGTERM is received
## default signal handling: end the script
## If a user defined function ends with a return code not equal zero the default
## action for the SIGTERM signal is not executed.
##
__SIGNAL_SIGTERM_FUNCTION=""
## __REBOOT_REQUIRED - set to true to reboot automatically at
## script end (def.: false)
##
__REBOOT_REQUIRED=${__FALSE}
## __REBOOT_PARAMETER - parameter for the reboot command (def.: none)
##
__REBOOT_PARAMETER=""
## __INFO_PREFIX - prefix for INFO messages printed if __VERBOSE_MODE = ${__TRUE}
## default: "INFO: "
##
__INFO_PREFIX="${__INFO_PREFIX:-INFO: }"
## __WARNING_PREFIX - prefix for WARNING messages
## default: "WARNING: "
##
__WARNING_PREFIX="${__WARNING_PREFIX:-WARNING: }"
## __ERROR_PREFIX - prefix for ERROR messages
## default: "ERROR: "
##
__ERROR_PREFIX="${__ERROR_PREFIX:-ERROR: }"
## __RUNTIME_INFO_PREFIX - prefix for INFO messages of the runtime system
## default: "RUNTIME INFO: "
##
__RUNTIME_INFO_PREFIX="${__RUNTIME_INFO_PREFIX:-RUNTIME INFO: }"
## __PRINT_LIST_OF_WARNINGS_MSGS - print the list of warning messages at program end (def.: false)
##
__PRINT_LIST_OF_WARNINGS_MSGS=${__FALSE}
## __PRINT_LIST_OF_ERROR_MSGS - print the list of error messages at program end (def.: false)
##
__PRINT_LIST_OF_ERROR_MSGS=${__FALSE}
## __PRINT_SUMMARIES - print error/warning msg summaries at script end
##
## print error and/or warning message summaries at program end
## known values:
## 0 = do not print summaries
## 1 = print error msgs,
## 2 = print warning msgs
## 3 = print error and warning mgs
## use the parameter -S to change this variable
##
__PRINT_SUMMARIES=0
## __MAINRC - return code of the program