115 lines
3.3 KiB
Bash
Executable File
115 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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# Path to the Qortal folder
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QORTAL_DIR=~/qortal
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LOG_FILE="$QORTAL_DIR/peer_monitor_log.txt"
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PEER_THRESHOLD=5
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CONSECUTIVE_CHECKS=2
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CHECK_INTERVAL=300 # 5 minutes in seconds
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# Logging function
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log() {
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echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
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}
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# Check if running in screen
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if [ -z "$RUNNING_IN_SCREEN" ]; then
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# Check if screen is installed
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if command -v screen &> /dev/null; then
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log "Screen is installed, running script in a screen session..."
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export RUNNING_IN_SCREEN=1
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screen -S qortal_peer_monitor -dm bash -c "RUNNING_IN_SCREEN=1 $(realpath "$0")"
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if [ $? -eq 0 ]; then
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log "Script successfully started in screen session 'qortal_peer_monitor'."
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else
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log "Failed to start script in screen session."
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fi
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exit 0
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else
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log "Screen is not installed, running script normally..."
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fi
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fi
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# Function to get number of connections
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get_number_of_connections() {
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local result=$(curl -s localhost:12391/admin/status)
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if command -v jq &> /dev/null; then
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log "jq is installed, using jq to parse response."
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local connections=$(echo "$result" | jq -r '.numberOfConnections')
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else
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log "jq not installed, executing sed backup method."
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local connections=$(echo "$result" | sed -n 's/.*"numberOfConnections":\([0-9]*\).*/\1/p')
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fi
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log "Number of connections: $connections"
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echo "$connections"
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}
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# Main monitoring loop
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consecutive_fail_or_low_count=0
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while true; do
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log "Checking number of connections..."
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num_connections=$(get_number_of_connections)
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if [ -z "$num_connections" ]; then
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log "Failed to obtain number of connections."
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((consecutive_fail_or_low_count++))
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log "Failed to obtain connections. Consecutive checks: $consecutive_fail_or_low_count"
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else
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log "Number of connections: $num_connections"
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if [ "$num_connections" -lt "$PEER_THRESHOLD" ]; then
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((consecutive_fail_or_low_count++))
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log "Peer count below threshold ($PEER_THRESHOLD). Consecutive checks: $consecutive_fail_or_low_count"
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else
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consecutive_fail_or_low_count=0
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fi
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fi
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if [ "$consecutive_fail_or_low_count" -ge "$CONSECUTIVE_CHECKS" ]; then
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log "Peer count below threshold for $CONSECUTIVE_CHECKS consecutive checks, initiating restart..."
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# Navigate to Qortal directory
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log "Navigating to Qortal directory..."
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cd "$QORTAL_DIR" || { log "Failed to navigate to Qortal directory."; exit 1; }
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# Stop Qortal core
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log "Stopping Qortal core..."
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./stop.sh &> stop_output.log &
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stop_pid=$!
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# Wait for 30 seconds
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sleep 30
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# Check if stop script succeeded
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if ! grep -q "Qortal ended gracefully" stop_output.log; then
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log "Stop script did not complete successfully, force killing Java..."
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killall -9 java
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# Remove blockchain lock file
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log "Removing blockchain lock file..."
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rm -rf "$QORTAL_DIR/db/blockchain.lck"
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else
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log "Qortal stopped gracefully."
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fi
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# Ensure stop process completes
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log "Waiting for stop process to complete..."
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wait $stop_pid
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# Start Qortal core
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log "Starting Qortal core..."
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./start.sh
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# Reset consecutive low count
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consecutive_fail_or_low_count=0
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fi
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# Wait for the next check
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log "Waiting for $CHECK_INTERVAL seconds before next check..."
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sleep $CHECK_INTERVAL
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done
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