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monitor_system.sh
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executable file
·85 lines (73 loc) · 2.39 KB
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#!/bin/bash
#################################################
###########
##########
##########
###############################################
# Definitions des variables
OUTPUT_FILE="system_monitoring.log"
CPU_THRESHOLD=80
MEMORY_THRESHOLD=80
DISK_THRESHOLD=80
# Fonction pour surveiller l'utilisation du processeur
monitor_cpu(){
CPU_USAGE=$(top -bn1 | grep "Cpu(s)" | awk '{print $2 +$4}')
echo "Cpu Usages: $CPU_USAGE%" | tee -a "$OUTPUT_FILE"
if (( $(echo "$CPU_USAGE > $CPU_THRESHOLD" | bc -l) )); then
echo "Alerte: L'utilisation du CPU a dépassé le seuil de $CPU_THRESHOLD% !" | tee -a "$OUTPUT_FILE"
fi
}
# Fonction pour surveiller l'utilisation de la mémoire
monitor_memory(){
MEMORY_USAGE=$(free | grep "Mem" | awk '{print $2/$3 * 100}')
echo "MEMORY Usages: $MEMORY_USAGE% " | tee -a "$OUTPUT_FILE"
if (( $(echo "$MEMORY_USAGE > $MEMORY_THRESHOLD" | bc -l) )); then
echo "Alerte: L'utilisation du CPU a dépassé le seuil de $MEMORY_THRESHOLD% !" | tee -a "$OUTPUT_FILE"
fi
}
# Fonction pour surveiller l'utilisation du disque
monitor_disk(){
DISK_USAGE=$(df / | grep / | awk '{ print $5}' | sed 's/%//g')
echo "Disk Usage: $DISK_USAGE%" | tee -a "$OUTPUT_FILE"
if [ "$DISK_USAGE" -gt "$DISK_THRESHOLD" ]; then
echo "Alerte: L'utilisation du disque a dépassé le seuil de $DISK_THRESHOLD% !" | tee -a "$OUTPUT_FILE"
fi
}
main(){
case "$1" in
--help|-h)
echo "Usage: $0 [OPTIONS]"
echo "OPTIONS"
echo "--help , -h Aficher l'aide"
echo " --log, -l Specifier le fichier de logs"
;;
--log|-l)
if [ -n "$2" ]; then
OUTPUT_FILE="$2"
else
echo "aucun fichier de logs specifiers ">&2
exit 1
fi
;;
esac
# Ajouter l'en-tête au fichier de sortie
echo "|DATE | CPU USAGE | MEMORY USAGE | DISK USAGE |"> "$OUTPUT_FILE"
echo "|----|------------|--------------|-----------|">> "$OUTPUT_FILE"
while true; do
DATE=$(date '+%Y-%m-%d %H:%M:%S')
CPU_USAGE=$(top -bn1 | grep "Cpu(s)" | awk '{print $2 + $4}')
MEMORY_USAGE=$(free | grep "Mem" | awk '{print $2/$3 * 100}')
DISK_USAGE=$(df / | grep / | awk '{print $5}' | sed 's/%//g')
echo "|$DATE|$CPU_USAGE%|$MEMORY_USAGE%|$DISK_USAGE%|">> "$OUTPUT_FILE"
## monitor memory
monitor_memory
### monitor cpu
monitor_cpu
## monitor disk
monitor_disk
####### Attendre 60 secondes avant de rescanner le systeme#######
sleep 60
done
}
# Appeler la fonction principale avec tous les arguments de la ligne de commande
main"$@"