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Diffstat (limited to 'plugins/url_check_ng/ptxlib.bash')
-rw-r--r-- | plugins/url_check_ng/ptxlib.bash | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/plugins/url_check_ng/ptxlib.bash b/plugins/url_check_ng/ptxlib.bash new file mode 100644 index 000000000..50249916d --- /dev/null +++ b/plugins/url_check_ng/ptxlib.bash @@ -0,0 +1,351 @@ +#!/bin/bash +# ----------------------------------------------------- +# Description: Basic Script Functions +# Author: Bjørn Bürger <b.buerger@pengutronix.de> +# Date: Wed Mar 21 17:03:39 CET 2007 +# ----------------------------------------------------- + +PTXLIB="true" +MY_VERSION="2" + +if [ "$PTX_LIB_VERSION" -lt "$MY_VERSION" ] ; then + echo "WARNING: ptxlib.bash not compatible" + echo "WARNING: please audit your script" + exit 1 +fi + +FULLARGS="$@" +DEBUG=${DEBUG:="false"} + +# +# customized exit functions +# +# $1 --> Error Message +# $2 --> Exit Code +# +ptx_exit(){ + echo "$0: $1" + exit $2 +} +ptx_exit_silent(){ + ptx_debug "$0: $1" + exit $2 +} + +# +# print out error message and exit with status 1 +# +# $1: error message +# ${PREFIX}: to be printed before message +# +ptx_bailout () { + echo "${PREFIX}error: $1" >&2 + exit 1 +} + + +# +# print out warning message +# +# $1: warning message +# ${PREFIX}: to be printed before message +# +ptx_warning() { + echo "${PREFIX}warning: $1" >&2 +} + +# +# print out classic message +# +# $1: warning message +# ${PREFIX}: to be printed before message +# +ptx_message() { + echo "${PREFIX}: $1" >&1 +} + +ptx_message_n() { + if [ -n "$PREFIX" ]; then + echo -n "${PREFIX}: $1" >&1 + else + echo -n "$1" >&1 + fi +} + +# +# Debugging Output +# +ptx_debug(){ + [ "$DEBUG" = "true" ] && echo "$0: $1" >&2 +} +ptx_debug "Debugging is enabled - Turn off with DEBUG=false" + + +# +# check if a previously executed pipe returned an error +# +ptx_check_pipe_status() { + for i in "${PIPESTATUS[@]}"; do [ $i -gt 0 ] && { + echo + echo "error: a command in the pipe returned $i, bailing out" + echo + exit $i + } + done +} + +# +# present a choice [y/n] and execute command +# +# $1: question / message +# $2: command +# $3: yes message +# $4: no message +# ${PREFIX}: to be printed before message +# +# +ptx_yesno_choice(){ + ptx_debug "Message: $1" + ptx_debug "Command: $2" + dialog --yesno "$1" 0 0 + case $? in + 0) + ptx_message "${PREFIX} [YES] - $3" + $2 || ptx_error "command $2 failed" + ;; + *) + ptx_warning "${PREFIX} [NO] - $4" + ;; + esac +} + +# +# create a directory +# +ptx_check_create_dir(){ + [ -d "$1" ] || ptx_yesno_choice "$1 does not exist, create it?" "mkdir -pv $1" "[SUCCESS]" "[ABORTED]" +} + +# +# dependency check for needed files +# +# if any one of these variables is +# set, a dependency check is performed: +# +# dependency_check_files_recommends +# dependency_check_files_depends +# dependency_check_files_conflicts +# +ptx_dependency_check_files(){ + [ -z "$dependency_check_files_recommends" ] && ptx_debug "[file check] no file recommendation defined" + for file in $dependency_check_files_recommends; do + test -e $file + case $? in + 0) + ptx_debug "[file check] This Script recommends $file: OK" + ;; + *) + ptx_warning "[file check] This Script recommends $file: FILE NOT FOUND" + ;; + esac + done + [ -z "$dependency_check_files_depends" ] && ptx_debug "[file check] no file dependency defined" + for file in $dependency_check_files_depends; do + test -e $file + case $? in + 0) + ptx_debug "[file check] This Script depends on $file: OK" + ;; + *) + ptx_bailout "[file check] This Script depends on $file: FILE NOT FOUND" + ;; + esac + done + [ -z "$dependency_check_files_conflicts" ] && ptx_debug "[file check] no file conflict defined" + for file in $dependency_check_files_conflicts; do + test -e $file + case $? in + 0) + ptx_bailout "[file check] This Script conflicts with $file: FILE EXISTS" + ;; + *) + ptx_debug "[file check] This Script conflicts with $file: OK (does not exist)" + ;; + esac + done +} + +# +# dependency check for needed directories +# +# if any one of these variables is +# set, a dependency check is performed: +# +# dependency_check_dirs_recommends +# dependency_check_dirs_depends +# dependency_check_dirs_conflicts +# +ptx_dependency_check_dirs(){ + [ -z "$dependency_check_dirs_recommends" ] && ptx_debug "[dir check] no directory recommendation defined" + for directory in $dependency_check_dirs_recommends; do + test -d $directory + case $? in + 0) + ptx_debug "[dir check] This Script recommends $directory: OK" + ;; + *) + ptx_warning "[dir check] This Script recommends $directory: directory NOT FOUND" + ;; + esac + done + [ -z "$dependency_check_dirs_depends" ] && ptx_debug "[dir check] no directory dependency defined" + for directory in $dependency_check_dirs_depends; do + test -d $directory + case $? in + 0) + ptx_debug "[dir check] This Script depends on $directory: OK" + ;; + *) + ptx_bailout "[dir check] This Script depends on $directory: directory NOT FOUND" + ;; + esac + done + [ -z "$dependency_check_dirs_conflicts" ] && ptx_debug "[dir check] no directory conflict defined" + for directory in $dependency_check_dirs_conflicts; do + test -d $directory + case $? in + 0) + ptx_bailout "[dir check] This Script conflicts with $directory: directory EXISTS" + ;; + *) + ptx_debug "[dir check] This Script conflicts with $directory: OK (does not exist)" + ;; + esac + done +} + +# +# dependency check for needed tools +# +# if any one of these variables is +# set, a dependency check is performed: +# +# dependency_check_tools_recommends +# dependency_check_tools_depends +# dependency_check_tools_conflicts +# +ptx_dependency_check_tools(){ + [ -z "$dependency_check_files_recommends" ] && ptx_debug "[file check] no tool recommendation defined" + for tool in $dependency_check_tools_recommends; do + which $tool >/dev/null 2>&1 + case $? in + 0) + ptx_debug "[tool check] This Script recommends $tool: OK" + ;; + *) + ptx_warning "[tool check] This Script recommends $tool: MISSING" + ;; + esac + done + [ -z "$dependency_check_tools_depends" ] && ptx_debug "[file check] no tool dependency defined" + for tool in $dependency_check_tools_depends; do + which $tool >/dev/null 2>&1 + case $? in + 0) + ptx_debug "[tool check] This Script depends on $tool: OK" + ;; + *) + ptx_bailout "[tool check] This Script depends on $tool: MISSING" + ;; + esac + done + [ -z "$dependency_check_tools_conflicts" ] && ptx_debug "[file check] no file conflict defined" + for tool in $dependency_check_tools_conflicts; do + which $tool >/dev/null 2>&1 + case $? in + 0) + ptx_bailout "[tool check] This Script conflicts with on $tool: CONFLICT FOUND" + ;; + *) + ptx_debug "[tool check] This Script conflicts with $tool: OK" + ;; + esac + done +} + +ptx_dependency_check_hostname(){ + [ -z "$dependency_check_hostname_recommends" ] && ptx_debug "[hostname check] no hostname recommendation defined" + for hostname in $dependency_check_hostname_recommends; do + [ "`hostname`" = "$hostname" ] >/dev/null 2>&1 + case $? in + 0) + ptx_debug "[hostname check] This Script recommends host $hostname: OK" + ;; + *) + ptx_warning "[hostname check] This Script recommends host $hostname: THIS IS NOT ME" + ;; + esac + done + [ -z "$dependency_check_hostname_depends" ] && ptx_debug "[hostname check] no hostname dependency defined" + for hostname in $dependency_check_hostname_depends; do + [ "`hostname`" = "$hostname" ] >/dev/null 2>&1 + case $? in + 0) + ptx_debug "[hostname check] This Script depends on host $hostname: OK" + ;; + *) + ptx_bailout "[hostname check] This Script depends on host $hostname: THIS IS NOT ME" + ;; + esac + done + [ -z "$dependency_check_hostname_conflicts" ] && ptx_debug "[hostname check] no hostname conflict defined" + for hostname in $dependency_check_hostname_conflicts; do + [ "`hostname`" = "$hostname" ] >/dev/null 2>&1 + case $? in + 0) + ptx_bailout "[hostname check] This Script conflicts with host $hostname: CONFLICT FOUND" + ;; + *) + ptx_debug "[hostname check] This Script conflicts with host $hostname: OK" + ;; + esac + done +} + +# +# convenience wrapper for the functions above +# +# performs all available checks +# +ptx_dependency_check(){ + ptx_dependency_check_hostname + ptx_dependency_check_dirs + ptx_dependency_check_files + ptx_dependency_check_tools +} + +# service specific lib functions, based on script domains: +# +# - dumb_tool +# - tool +# - development +# - system_management +# + +if [ -n "$PTX_SCRIPT_DOMAINS" ]; then +for ptx_script_domain in $PTX_SCRIPT_DOMAINS; do + ptx_debug "loading config for domain: ${ptx_script_domain}" + SCONFS="$HOME/.ptxsd-${ptx_script_domain}.conf \ + /usr/local/etc/ptxsd-${ptx_script_domain}.conf \ + /etc/ptxsd-${ptx_script_domain}.conf \ + `dirname $0`/ptxsd-${ptx_script_domain}.conf \ + `dirname $0`/../lib/ptxsd-${ptx_script_domain}.conf" + for scriptconf in $SCONFS; do + if [ -e "$scriptconf" ] ; then + . $scriptconf && { ptx_debug "$scriptconf loaded"; break; } + fi + done + [ "$PTXSD" = "true" ] || ptx_warning " No valid Configuration for Domain: ${ptx_script_domain} found \ + [ $conf (version $MY_VERSION) ] [ caller: $0 ]" +done +fi |