File nagios-exec-start-pre of Package nagios

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File nagios-exec-start-pre of Package nagios

#! /bin/sh
# Copyright (c) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany
#
# Original Author: Tim Hardeck
# bases on the SUSE Icinga init script from Wolfgang Rosenauer, Lars Vogdt
#
CONFIG='/etc/nagios/nagios.cfg'

# grab a config option
get_var() {
    if [ -n "$2" ]; then
        set -- `grep ^$1 $2 | sed 's@=@ @' | tr -d '[:cntrl:]'`
    else
        set -- `grep ^$1 "$CONFIG" | sed 's@=@ @' | tr -d '[:cntrl:]'`
    fi
    shift # remove first ARG => search-string
    echo $*
}

# get variables from config file
check_result_path="$(get_var check_result_path)"
command_file="$(get_var command_file)"
lock_file="$(get_var lock_file)"
log_file="$(get_var log_file)"
nagios_user="$(get_var nagios_user)"
nagios_group="$(get_var nagios_group)"
nagios_cmdgrp="$(get_var nagios_cmdgrp)"
resource_file="$(get_var resource_file)"
state_retention_file="$(get_var state_retention_file)"
status_file="$(get_var status_file)"
temp_file="$(get_var temp_file)"
temp_path="$(get_var temp_path)"

# use default values if above check doesn't work
: ${check_result_path:-/var/spool/nagios}
: ${command_file:-/var/spool/nagios/nagios.cmd}
: ${lock_file:-/var/run/nagios/nagios.pid}
: ${log_file:-/var/log/nagios/nagios.log}
: ${nagios_user:-nagios}
: ${nagios_group:-nagios}
: ${nagios_cmdgrp:-nagcmd}
: ${resource_file:-/etc/nagios/resource.cfg}
: ${state_retention_file:-/var/log/nagios/retention.dat}
: ${status_file:-/var/log/nagios/status.dat}
: ${temp_file:-/var/log/nagios/nagios.tmp}
: ${temp_path:-/var/run/nagios/tmp}

# remove some perhaps left over files
for file in "$command_file" "$lock_file" "$status_file" "$temp_file"; do
    test -f "$file" && rm -f "$file"
done
# set default access rights for files and directories
for file in "$log_file" "$state_retention_file" "$status_file"; do
    if [ ! -e "$file" ]; then
        touch "$file"
    fi
    chown --no-dereference ${nagios_user}:${nagios_cmdgrp} "$file"
done
for dir in "$check_result_path" $(dirname "$status_file"); do
    install -d -m755 -o${nagios_user} -g${nagios_cmdgrp} "$dir"
done
for dir in $(dirname "$lock_file") ; do
	install -d -m755 -o${nagios_user} -g${nagios_group} "$dir"
done
case "$temp_path" in 
	/)
		echo "temp_path is set to $temp_path - aborting" >&2
		exit 1
	;;
    /tmp)
	;;
	/var/tmp)
	;;
	*)
		install -d -m755 -o${nagios_user} -g${nagios_group} "$dir"
	;;
esac
chmod 660 "$resource_file"
chown --no-dereference ${nagios_user}:${nagios_cmdgrp} "$resource_file"

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