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usr/bin/custom/watchdog-monitor aktualisiert

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This commit is contained in:
Tim Eertmoed
2024-10-28 20:21:20 +01:00
parent b2d2a89ca3
commit 5f2cd53026
1 changed files with 17 additions and 11 deletions
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28
usr/bin/custom/watchdog-monitor
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@@ -6,6 +6,11 @@ log_file="/var/log/watchdog.log"
# Configuration file # Configuration file
config_file="/etc/watchdog.conf" config_file="/etc/watchdog.conf"
# Function to log messages with timestamp
log() {
echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" >> "$log_file"
}
# Function to update watchdog configuration # Function to update watchdog configuration
update_watchdog_config() { update_watchdog_config() {
# Extract watchdog IP addresses # Extract watchdog IP addresses
@@ -16,6 +21,7 @@ update_watchdog_config() {
# Backup current configuration # Backup current configuration
sudo cp "$config_file" "$config_file.bak" sudo cp "$config_file" "$config_file.bak"
log "Backup of $config_file created successfully."
# Clean existing configurations # Clean existing configurations
sudo sed -i '/ping/d' "$config_file" sudo sed -i '/ping/d' "$config_file"
@@ -25,22 +31,22 @@ update_watchdog_config() {
echo "interval = 58" | sudo tee -a "$config_file" > /dev/null echo "interval = 58" | sudo tee -a "$config_file" > /dev/null
if [ ${#ip_array[@]} -eq 0 ]; then if [ ${#ip_array[@]} -eq 0 ]; then
echo "No IP addresses found. Watchdog configuration cleared." >> "$log_file" log "No IP addresses found. Watchdog configuration cleared."
return 1 # No IP addresses to configure, return 1 to continue loop return 1 # No IP addresses to configure
else else
# Insert IPs into config # Insert IPs into config
for ip in "${ip_array[@]}"; do for ip in "${ip_array[@]}"; do
echo "ping = $ip" | sudo tee -a "$config_file" > /dev/null echo "ping = $ip" | sudo tee -a "$config_file" > /dev/null
done done
echo "Configured watchdog to ping: ${ip_array[*]}" >> "$log_file" log "Configured watchdog to ping: ${ip_array[*]}"
# Restart watchdog service # Restart watchdog service
if sudo systemctl restart watchdog; then if sudo systemctl restart watchdog; then
echo "Watchdog service restarted successfully." >> "$log_file" log "Watchdog service restarted successfully."
return 0 # Successful restart, exit function with 0 to break main loop return 0 # Successful restart
else else
echo "Failed to restart watchdog service." >> "$log_file" log "Failed to restart watchdog service."
return 1 # Failed restart, continue main loop return 1 # Failed restart
fi fi
fi fi
} }
@@ -53,20 +59,20 @@ end_time=$((start_time + 300)) # 5 minutes in seconds
# Main loop # Main loop
while true; do while true; do
if ! update_watchdog_config; then if ! update_watchdog_config; then
echo "IP addresses found and watchdog restarted. Exiting loop." >> "$log_file" log "IP addresses found and watchdog restarted. Exiting loop."
break break
else else
echo "No IP addresses found or restart failed. Waiting for $interval seconds before checking again..." >> "$log_file" log "No IP addresses found or restart failed. Waiting for $interval seconds before checking again..."
fi fi
# Check if 5 minutes have passed # Check if 5 minutes have passed
if [ "$(date +%s)" -ge "$end_time" ]; then if [ "$(date +%s)" -ge "$end_time" ]; then
echo "5 minutes have passed. Stopping the watchdog service." >> "$log_file" log "5 minutes have passed. Stopping the watchdog service."
sudo systemctl stop watchdog sudo systemctl stop watchdog
break break
fi fi
echo "Waiting for $interval seconds before checking for IP addresses again..." >> "$log_file" log "Waiting for $interval seconds before checking for IP addresses again..."
sleep $interval sleep $interval
done done