Deploy k8s via jumphost

spray.sh

#!/bin/bash

# Script untuk deploy kubernetes units ke multiple servers
# Mengambil daftar unit dari nama file YAML di direktori /root/listunit
# Format file unit: IPADDRESS:KODEUNIT

UNIT_FILE="./deploy/unit"
YAML_DIR="./kubernetes"

# SSH options untuk mencegah hang
SSH_OPTS="-o ConnectTimeout=10 -o BatchMode=yes -o StrictHostKeyChecking=no"
SCP_OPTS="-o ConnectTimeout=10 -o BatchMode=yes -o StrictHostKeyChecking=no"

# Cek apakah file unit ada
if [ ! -f "$UNIT_FILE" ]; then
    echo "Error: File '$UNIT_FILE' tidak ditemukan!"
    exit 1
fi

# Cek apakah direktori YAML ada
if [ ! -d "$YAML_DIR" ]; then
    echo "Error: Direktori '$YAML_DIR' tidak ditemukan!"
    exit 1
fi

# Counter untuk tracking
total_lines=0
processed_lines=0

# Baca file unit dan proses setiap baris dengan while loop yang robust
while IFS= read -r line || [[ -n "$line" ]]; do
    total_lines=$((total_lines + 1))
    
    # Skip baris kosong atau yang dimulai dengan #
    if [[ -z "$line" || "$line" =~ ^[[:space:]]*# ]]; then
        echo "Skipping empty or comment line: $line"
        continue
    fi
    
    # Parse IP dan KODE_UNIT
    IP_ADDRESS=$(echo "$line" | cut -d':' -f1 | xargs)
    KODE_UNIT=$(echo "$line" | cut -d':' -f2 | xargs)
    
    # Validasi format
    if [[ -z "$IP_ADDRESS" || -z "$KODE_UNIT" ]]; then
        echo "Warning: Format tidak valid untuk baris '$line', dilewati..."
        continue
    fi
    
    # Cek apakah file YAML ada di direktori listunit
    YAML_FILE="$YAML_DIR/${KODE_UNIT}.yaml"
    if [ ! -f "$YAML_FILE" ]; then
        echo "Warning: File '$YAML_FILE' tidak ditemukan, dilewati..."
        continue
    fi
    
    processed_lines=$((processed_lines + 1))
    
    echo "========================================"
    echo "Processing $processed_lines/$total_lines: $IP_ADDRESS -> $KODE_UNIT"
    echo "========================================"
    
    # Test koneksi dulu
    echo "Testing connection to $IP_ADDRESS..."
    if timeout 5 ssh $SSH_OPTS "root@${IP_ADDRESS}" "echo 'Connection OK'" < /dev/null; then
        echo "✓ Connection test OK"
    else
        echo "✗ Connection test failed, skipping $IP_ADDRESS"
        continue
    fi
    
    # SCP file yaml dari /root/listunit ke server tujuan
    echo "Copying $YAML_FILE to $IP_ADDRESS:/root/"
    if timeout 30 scp $SCP_OPTS "$YAML_FILE" "root@${IP_ADDRESS}:/root/"; then
        echo "✓ File berhasil dicopy ke $IP_ADDRESS"
        
        # Jalankan kubectl replace via SSH dengan timeout
        echo "Executing kubectl replace pada $IP_ADDRESS..."
        if timeout 60 ssh $SSH_OPTS "root@${IP_ADDRESS}" "kubectl replace --force -f /root/${KODE_UNIT}.yaml" < /dev/null; then
            echo "✓ kubectl replace berhasil untuk $KODE_UNIT di $IP_ADDRESS"
        else
            echo "✗ kubectl replace gagal atau timeout untuk $KODE_UNIT di $IP_ADDRESS"
        fi
    else
        echo "✗ Gagal copy file atau timeout ke $IP_ADDRESS, skip kubectl replace"
    fi
    
    echo ""
    echo "Continuing to next server..."
    echo ""
    
done < "$UNIT_FILE"

echo "========================================"
echo "Deployment selesai!"
echo "Total lines: $total_lines, Processed: $processed_lines"
echo "========================================"