added check_systemd.sh
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365
check_systemd.sh
Executable file
365
check_systemd.sh
Executable file
@ -0,0 +1,365 @@
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#!/bin/bash
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#----------------------------------------------------------------------------------------------------
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#~ Nom : check_systemd
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#~ Description : Plugin Nagios pour tester si un service est démarré/activé/arrété
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#~ Auteur : Etienne Girault <etienne.girault@gmail.com>
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#~
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#~ Usage : [-h] [-D] [-V]
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#~
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#~ Options : -h, --help ; Affiche l'aide
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#~ Options : -V, --version ; Affiche la version
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#~ Options : -D, --debug ; Mode debug
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#~ Options : -n ; Nom de l'ensemble de service
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#~ Options : -c ; Service critique, retour critique si service stop, warning si disable
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#~ Options : -w ; Service warning, retour warning si service stop
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#~ Options : -s ; Service non nécessaire, retourne toujours ok
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#----------------------------------------------------------------------------------------------------
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# Déclaration des variables
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#----------------------------------------------------------------------------------------------------
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script_name="$(grep '^#~ Nom' "$0" | sed 's/^.*: //')"
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script_version="$(grep '^#~ v' "$0" | tail -1 | sed -e 's/^#~ //' -e 's/ *\-.*$//')"
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PLUGINDIR=/usr/local/nagios/libexec
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. $PLUGINDIR/utils.sh
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compteur_service=0
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declare -A services_status
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declare -A critical_report
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declare -A warning_report
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declare -A silent_report
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declare -A running_report
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#----------------------------------------------------------------------------------------------------
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# Déclaraition des fonctions
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#----------------------------------------------------------------------------------------------------
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print_script_name_version() { echo "$script_name $script_version" && sed -n '/^#~ Version/,$p' "$0" | grep '^#~' | sed 's/^#~ //'; }
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print_script_description() { grep '^#~ Description' "$0" | sed 's/^.*: //'; }
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print_script_usage() { grep '^#~ Usage' "$0" | sed -e 's/^.*: //' -e '1 s/^/Usage: '"$script_name"' /' -e '2,$ s/^/'"$(printf '%*s' "$(echo "Usage: $script_name" | wc -c)")"'/'; }
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print_script_options() { echo "Options" && grep '^#~ Options' "$0" | sed -e 's/^.*://' -e 's/^ --/ --/' | column -ts \;; }
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print_script_help() { echo "$script_name $script_version" && print_script_description && print_script_usage && print_script_options; }
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# Vérifie l'état actuel, ne peut qu'agraver l'état
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# $1 : Etat
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change_state() {
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case $1 in
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$STATE_CRITICAL) current_state=$1;;
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$STATE_WARNING) [[ "$current_state" = "$STATE_CRITICAL" ]] && return || current_state=$1;;
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$STATE_UNKNOWN) [[ "$current_state" = "$STATE_CRITICAL" || "$current_state" = "$STATE_WARNING" ]] && return || current_state=$1;;
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$STATE_OK) [[ "$current_state" = "$STATE_CRITICAL" || "$current_state" = "$STATE_WARNING" || "$current_state" = "$STATE_UNKNOWN" ]] && return || current_state=$1;;
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esac
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}
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# Ajoute l'etat du service dans le tableau de la liste des service
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# $1 : numéro du service
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# $2 : nom du service
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# $3 : criticité du service
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# $4 : etat du service (0=running, 1=not running, 2=disable, 3=does not exist)
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service_report () {
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services_status[$1]=$2
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case $3 in
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"critical")
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case $4 in
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0) running_report[$1]=$2
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change_state $STATE_OK;;
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1|3) critical_report[$1,0]=$2
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critical_report[$1,1]=$4
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change_state $STATE_CRITICAL;;
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2) warning_report[$1,0]=$2
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warning_report[$1,1]=$4
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change_state $STATE_WARNING;;
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esac;;
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"warning")
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case $4 in
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0|2) running_report[$1]=$2
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change_state $STATE_OK;;
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1|3) warning_report[$1,0]=$2
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warning_report[$1,1]=$4
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change_state $STATE_WARNING;;
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esac;;
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"silent")
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if [ $4 = 0 ]; then
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running_report[$1]=$2
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else
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silent_report[$1,0]=$2
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silent_report[$1,1]=$4
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fi
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change_state $STATE_OK;;
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esac
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}
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# Reception de signaux d'interruptions
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trap 'exit 1' INT TERM
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#----------------------------------------------------------------------------------------------------
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# Gestion des options
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#----------------------------------------------------------------------------------------------------
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while getopts ":-:hVDn:c:w:s:" OPTION; do
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case $OPTION in
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h) print_script_help; exit;;
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V) print_script_name_version; exit;;
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D) set -x;;
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n) namegroup=$OPTARG;;
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c) critical_service="${critical_service} $OPTARG";;
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w) warning_service="${warning_service} $OPTARG";;
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s) silent_service="${silent_service} $OPTARG";;
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:) ;;
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-) case $OPTARG in
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help) print_script_help; exit;;
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version) print_script_name_version; exit;;
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debug) set -x;;
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esac ;;
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*) ;;
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esac
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done
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shift $((OPTIND-1))
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#----------------------------------------------------------------------------------------------------
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# Début du script
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#----------------------------------------------------------------------------------------------------
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# if [[ $# -ne 1 ]]; then
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# echo "Usage: ${0##*/} <service name>"
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# exit $STATE_UNKNOWN
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# fi
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if [[ "$critical_service" ]]; then
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for service in $critical_service; do
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status=$(systemctl is-enabled $service 2>/dev/null)
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return_code=$?
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if [[ -z "$status" ]]; then
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service_report "$compteur_service" "$service" "critical" 3
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else
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if systemctl --quiet is-active $service; then
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if [[ $return_code -ne 0 ]]; then
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service_report "$compteur_service" "$service" "critical" 2
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else
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service_report "$compteur_service" "$service" "critical" 0
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fi
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else
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service_report "$compteur_service" "$service" "critical" 1
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fi
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fi
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((compteur_service++))
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done
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fi
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if [[ "$warning_service" ]]; then
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for service in $warning_service; do
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status=$(systemctl is-enabled $service 2>/dev/null)
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return_code=$?
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if [[ -z "$status" ]]; then
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service_report "$compteur_service" "$service" "warning" 3
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else
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if systemctl --quiet is-active $service; then
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if [[ $return_code -ne 0 ]]; then
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service_report "$compteur_service" "$service" "warning" 2
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else
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service_report "$compteur_service" "$service" "warning" 0
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fi
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else
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service_report "$compteur_service" "$service" "warning" 1
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fi
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fi
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((compteur_service++))
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done
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fi
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if [[ "$silent_service" ]]; then
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for service in $silent_service; do
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status=$(systemctl is-enabled $service 2>/dev/null)
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return_code=$?
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if [[ -z "$status" ]]; then
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service_report "$compteur_service" "$service" "silent" 3
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else
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if systemctl --quiet is-active $service; then
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if [[ $return_code -ne 0 ]]; then
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service_report "$compteur_service" "$service" "silent" 2
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else
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service_report "$compteur_service" "$service" "silent" 0
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fi
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else
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service_report "$compteur_service" "$service" "silent" 1
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fi
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fi
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((compteur_service++))
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done
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fi
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case $current_state in
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$STATE_CRITICAL)
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for (( service_number=0; service_number<=$compteur_service-1; service_number++ )); do
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if [[ ${critical_report[$service_number,0]} != "" ]]; then
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case ${critical_report[$service_number,1]} in
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1) case $crit_not_running in
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"") crit_not_running_information="${critical_report[$service_number,0]}";;
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1) crit_not_running_information="$crit_not_running_information and ${critical_report[$service_number,0]}";;
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*) crit_not_running_information="${critical_report[$service_number,0]}, $crit_not_running_information";;
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esac
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((crit_not_running++));; # crit not running
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3) case $crit_not_exist in
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"") crit_not_exist_information="${critical_report[$service_number,0]}";;
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1) crit_not_exist_information="$crit_not_exist_information and ${critical_report[$service_number,0]}";;
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*) crit_not_exist_information="${critical_report[$service_number,0]}, $crit_not_exist_information";;
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esac
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((crit_not_exist++));; # crit not exist
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esac
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fi
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done
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if [[ $crit_not_running ]]; then
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if [[ $crit_not_running = 1 ]]; then
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crit_not_running_information="$crit_not_running_information service is not running"
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else
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crit_not_running_information="$crit_not_running_information services are not running"
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fi
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status_information="- $crit_not_running_information"
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fi
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if [[ $crit_not_exist ]]; then
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if [[ $crit_not_exist = 1 ]]; then
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crit_not_exist_information="$crit_not_exist_information service does not exist"
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else
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crit_not_exist_information="$crit_not_exist_information services do not exist"
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fi
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status_information="- $crit_not_exist_information $status_information"
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fi
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status_information="ERROR $status_information";;
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$STATE_WARNING)
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for (( service_number=0; service_number<=$compteur_service-1; service_number++ )); do
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if [[ ${warning_report[$service_number,0]} != "" ]]; then
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case ${warning_report[$service_number,1]} in
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1) case $warn_not_running in
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"") warn_not_running_information="${warning_report[$service_number,0]}";;
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1) warn_not_running_information="$warn_not_running_information and ${warning_report[$service_number,0]}";;
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*) warn_not_running_information="${warning_report[$service_number,0]}, $warn_not_running_information";;
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esac
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((warn_not_running++));; # warn not running
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2) case $crit_disable in
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"") crit_disable_information="${warning_report[$service_number,0]}";;
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1) crit_disable_information="$crit_disable_information and ${warning_report[$service_number,0]}";;
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*) crit_disable_information="${warning_report[$service_number,0]}, $crit_disable_information";;
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esac
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((crit_disable++));; # crit disable
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3) case $warn_not_exist in
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"") warn_not_exist_information="${warning_report[$service_number,0]}";;
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1) warn_not_exist_information="$warn_not_exist_information and ${warning_report[$service_number,0]}";;
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*) warn_not_exist_information="${warning_report[$service_number,0]}, $warn_not_exist_information";;
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esac
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((warn_not_exist++));; # warn not exist
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esac
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fi
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done
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if [[ $warn_not_running ]]; then
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if [[ $warn_not_running = 1 ]]; then
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warn_not_running_information="$warn_not_running_information service is not running"
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else
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warn_not_running_information="$warn_not_running_information services are not running"
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fi
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status_information="- $warn_not_running_information"
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fi
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if [[ $crit_disable ]]; then
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if [[ $crit_disable = 1 ]]; then
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crit_disable_information="$crit_disable_information service is disabled"
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else
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crit_disable_information="$crit_disable_information services are disabled"
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fi
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status_information="- $crit_disable_information $status_information"
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fi
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if [[ $warn_not_exist ]]; then
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if [[ $warn_not_exist = 1 ]]; then
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warn_not_exist_information="$warn_not_exist_information service does not exist"
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else
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warn_not_exist_information="$warn_not_exist_information services do not exist"
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fi
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status_information="- $warn_not_exist_information $status_information"
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fi
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status_information="WARN $status_information";;
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$STATE_OK)
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for (( service_number=0; service_number<=$compteur_service-1; service_number++ )); do
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if [[ ${silent_report[$service_number,0]} != "" ]]; then
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case ${silent_report[$service_number,1]} in
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1) case $silent_not_running in
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"") silent_not_running_information="${silent_report[$service_number,0]}";;
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1) silent_not_running_information="$silent_not_running_information and ${silent_report[$service_number,0]}";;
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*) silent_not_running_information="${silent_report[$service_number,0]}, $silent_not_running_information";;
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esac
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((silent_not_running++));; # silent not running
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2) case $silent_disable in
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"") silent_disable_information="${silent_report[$service_number,0]}";;
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1) silent_disable_information="$silent_disable_information and ${silent_report[$service_number,0]}";;
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*) silent_disable_information="${silent_report[$service_number,0]}, $silent_disable_information";;
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esac
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((silent_disable++));; # silent disable
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3) case $silent_not_exist in
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"") silent_not_exist_information="${silent_report[$service_number,0]}";;
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1) silent_not_exist_information="$silent_not_exist_information and ${silent_report[$service_number,0]}";;
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*) silent_not_exist_information="${silent_report[$service_number,0]}, $silent_not_exist_information";;
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esac
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((silent_not_exist++));; # silent not exist
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esac
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fi
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if [[ ${running_report[$service_number]} != "" ]]; then
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case $running_service in
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"") running_service_information="${running_report[$service_number]}";;
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1) running_service_information="$running_service_information and ${running_report[$service_number]}";;
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*) running_service_information="${running_report[$service_number]}, $running_service_information";;
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esac
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((running_service++))
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fi
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done
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if [[ $silent_not_running ]]; then
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if [[ $silent_not_running = 1 ]]; then
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silent_not_running_information="$silent_not_running_information service is not running"
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else
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silent_not_running_information="$silent_not_running_information services are not running"
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fi
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status_information="- $silent_not_running_information"
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fi
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if [[ $silent_disable ]]; then
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if [[ $silent_disable = 1 ]]; then
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silent_disable_information="$silent_disable_information service is disabled"
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else
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silent_disable_information="$silent_disable_information services are disabled"
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fi
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status_information="- $silent_disable_information $status_information"
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fi
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if [[ $silent_not_exist ]]; then
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if [[ $silent_not_exist = 1 ]]; then
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silent_not_exist_information="$silent_not_exist_information service does not exist"
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else
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silent_not_exist_information="$silent_not_exist_information services do not exist"
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fi
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status_information="- $silent_not_exist_information $status_information"
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fi
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if [[ $running_service ]]; then
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if [[ $running_service = 1 ]]; then
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running_service_information="$running_service_information service is running"
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||||||
|
else
|
||||||
|
running_service_information="$running_service_information services are running"
|
||||||
|
fi
|
||||||
|
status_information="- $running_service_information $status_information"
|
||||||
|
fi
|
||||||
|
|
||||||
|
status_information="OK $status_information";;
|
||||||
|
esac
|
||||||
|
|
||||||
|
echo $status_information
|
||||||
|
exit $current_state
|
||||||
|
|
||||||
|
#----------------------------------------------------------------------------------------------------
|
||||||
|
# Fin du script
|
||||||
|
#----------------------------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
#~ Version changelog
|
||||||
|
#~ v0.1 - Basé sur check_systemd_service.sh de Mohamed El Morabity <melmorabity@fedoraproject.com>
|
||||||
|
#~ v0.2 - Possibilité de gérer plusieurs services avec differents niveaux de criticité
|
||||||
|
|
||||||
|
|
||||||
Loading…
x
Reference in New Issue
Block a user