Add script 'check_if_service_exists.sh'.
This commit is contained in:
parent
88ff7f626f
commit
b5a376f7a2
257
snippets/check_if_service_exists.sh
Executable file
257
snippets/check_if_service_exists.sh
Executable file
@ -0,0 +1,257 @@
|
||||
#!/usr/bin/env bash
|
||||
|
||||
script_name="$(basename $(realpath $0))"
|
||||
working_dir="$(dirname $(realpath $0))"
|
||||
|
||||
conf_file="${working_dir}/conf/${script_name%%.*}.conf"
|
||||
|
||||
LOCK_DIR="/tmp/$(basename $0).$$.LOCK"
|
||||
log_file="${LOCK_DIR}/${script_name%%.*}.log"
|
||||
|
||||
SERVICE_NAME="$1"
|
||||
|
||||
|
||||
|
||||
# ----------
|
||||
# Main function - checks if service exists
|
||||
# ----------
|
||||
|
||||
service_exists() {
|
||||
local n=$1
|
||||
if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | cut -f1 -d' ') == $n.service ]]; then
|
||||
return 0
|
||||
else
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# ----------
|
||||
# Base Function(s)
|
||||
# ----------
|
||||
|
||||
usage() {
|
||||
|
||||
|
||||
[[ -n "$1" ]] && error "$1"
|
||||
|
||||
|
||||
[[ $terminal ]] && echo -e "
|
||||
\033[1mUsage:\033[m
|
||||
|
||||
$(basename $0) <service-name>
|
||||
|
||||
\033[1mDescription\033[m
|
||||
|
||||
Script checks if a given Service exists .
|
||||
|
||||
\033[1mOptions\033[m
|
||||
|
||||
No Options needed. The clear password will be asked for.
|
||||
|
||||
\033[1mFiles\033[m
|
||||
|
||||
No configuration files needed
|
||||
|
||||
\033[1mExample:\033[m
|
||||
|
||||
Create a saltet SHA512 password hash
|
||||
|
||||
$(basename $0) apache2
|
||||
|
||||
"
|
||||
|
||||
clean_up 1
|
||||
|
||||
}
|
||||
|
||||
clean_up() {
|
||||
|
||||
# Perform program exit housekeeping
|
||||
rm -rf "$LOCK_DIR"
|
||||
blank_line
|
||||
exit $1
|
||||
}
|
||||
|
||||
|
||||
echononl(){
|
||||
if $terminal ; then
|
||||
echo X\\c > /tmp/shprompt$$
|
||||
if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
|
||||
echo -e -n " $*\\c" 1>&2
|
||||
else
|
||||
echo -e -n " $*" 1>&2
|
||||
fi
|
||||
rm /tmp/shprompt$$
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
fatal(){
|
||||
echo ""
|
||||
if $terminal ; then
|
||||
echo -e " [ \033[31m\033[1mFatal\033[m ] $*"
|
||||
else
|
||||
echo -e " [ Fatal ] $*"
|
||||
fi
|
||||
echo ""
|
||||
if $terminal ; then
|
||||
echo -e " \033[1mScript terminated\033[m.."
|
||||
else
|
||||
echo -e " Script terminated.."
|
||||
fi
|
||||
echo ""
|
||||
rm -rf $LOCK_DIR
|
||||
exit 1
|
||||
}
|
||||
|
||||
error (){
|
||||
echo ""
|
||||
if $terminal ; then
|
||||
echo -e " [ \033[31m\033[1mError\033[m ] $*"
|
||||
else
|
||||
echo " [ Error ] $*"
|
||||
fi
|
||||
echo ""
|
||||
}
|
||||
|
||||
warn (){
|
||||
if $LOGGING || $terminal ; then
|
||||
echo ""
|
||||
if $terminal ; then
|
||||
echo -e " [ \033[33m\033[1mWarn\033[m ] $*"
|
||||
else
|
||||
echo " [ Warn ] $*"
|
||||
fi
|
||||
echo ""
|
||||
fi
|
||||
}
|
||||
|
||||
info (){
|
||||
if $LOGGING || $terminal ; then
|
||||
echo ""
|
||||
if $terminal ; then
|
||||
echo -e " [ \033[32m\033[1mInfo\033[m ] $*"
|
||||
else
|
||||
echo " [ Info ] $*"
|
||||
fi
|
||||
echo ""
|
||||
fi
|
||||
}
|
||||
|
||||
ok (){
|
||||
if $LOGGING || $terminal ; then
|
||||
echo ""
|
||||
if $terminal ; then
|
||||
echo -e " [ \033[32m\033[1mOk\033[m ] $*"
|
||||
else
|
||||
echo " [ Ok ] $*"
|
||||
fi
|
||||
echo ""
|
||||
fi
|
||||
}
|
||||
|
||||
echo_done() {
|
||||
if $terminal ; then
|
||||
echo -e "\033[75G[ \033[32mdone\033[m ]"
|
||||
fi
|
||||
}
|
||||
echo_ok() {
|
||||
if $terminal ; then
|
||||
echo -e "\033[75G[ \033[32mok\033[m ]"
|
||||
fi
|
||||
}
|
||||
echo_failed(){
|
||||
if $terminal ; then
|
||||
echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
|
||||
fi
|
||||
}
|
||||
echo_skipped() {
|
||||
if $terminal ; then
|
||||
echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
|
||||
fi
|
||||
}
|
||||
echo_wait(){
|
||||
if $terminal ; then
|
||||
echo -en "\033[75G[ \033[5m\033[1m...\033[m ]"
|
||||
fi
|
||||
}
|
||||
|
||||
trim() {
|
||||
local var="$*"
|
||||
var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
|
||||
var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
|
||||
echo -n "$var"
|
||||
}
|
||||
|
||||
blank_line() {
|
||||
if $terminal ; then
|
||||
echo ""
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
|
||||
# ----------
|
||||
# - Jobhandling
|
||||
# ----------
|
||||
|
||||
# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
|
||||
# -
|
||||
trap clean_up SIGHUP SIGINT SIGTERM
|
||||
|
||||
# - Create lock directory '$LOCK_DIR"
|
||||
#
|
||||
mkdir "$LOCK_DIR"
|
||||
|
||||
|
||||
# ----------
|
||||
# - Some checks ..
|
||||
# ----------
|
||||
|
||||
# - Running in a terminal?
|
||||
# -
|
||||
if [[ -t 1 ]] ; then
|
||||
terminal=true
|
||||
else
|
||||
fatal "Script must run in a terminal."
|
||||
fi
|
||||
|
||||
# - Print help?
|
||||
# -
|
||||
if [[ "$(trim $*)" = "-h" ]] || [[ "$(trim $*)" = "--help" ]] ; then
|
||||
usage
|
||||
fi
|
||||
|
||||
if [[ -z "$(which basename)" ]]; then
|
||||
fatal 'It seems "basename" is not installed, but needed!'
|
||||
fi
|
||||
|
||||
if [[ -z "$(which realpath)" ]]; then
|
||||
fatal 'It seems "realpath" is not installed, but needed!'
|
||||
fi
|
||||
|
||||
|
||||
# ==========
|
||||
# - Begin Main Script
|
||||
# ==========
|
||||
|
||||
# ----------
|
||||
# - Headline
|
||||
# ----------
|
||||
|
||||
if $terminal ; then
|
||||
echo ""
|
||||
echo -e "\033[1m----------\033[m"
|
||||
echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m"
|
||||
echo -e "\033[1m----------\033[m"
|
||||
fi
|
||||
|
||||
blank_line
|
||||
if service_exists $SERVICE_NAME ; then
|
||||
echo -e "\t\033[32mService \033[1m$SERVICE_NAME\033[m\033[32m exists\033[m"
|
||||
else
|
||||
echo -e "\t\033[33mService \033[1m$SERVICE_NAME\033[m\033[33m does NOT exists\033[m"
|
||||
fi
|
||||
|
||||
clean_up 0
|
||||
Loading…
Reference in New Issue
Block a user