使用Arthas远程更新Class

#!/bin/bash

REMOTE_USER="admin"                 # 服务器用户名
REMOTE_HOST="*.*.*.*"               # 服务器地址
REMOTE_DIR="/tmp"                   # 服务器上传目录，建议使用临时目录
REMOTE_PASSWORD="***"               # 服务器登录密码
REMOTE_PORT=22                      # 服务器端口
REMOTE_ARTHAS_DIR="{arthas-dir}"    # arthas目录
PROJECT_NAME="{jar-keyword}"        # 服务器上的jar包名，模糊匹配

#!/bin/bash

# 检查输入参数
if [[ $# -lt 1 ]]; then
    echo "Usage: $0 <config-file> [CLASS_SRC]"
    exit 1
fi

CONFIG_FILE=$1
CLASS_SRC=$2

# 检查配置文件是否存在
if [[ ! -f $CONFIG_FILE ]]; then
    echo "Configuration file $CONFIG_FILE does not exist!"
    exit 1
fi

# 加载配置文件
source "$CONFIG_FILE"

# 如果 CLASS_SRC 为空，使用配置文件中定义的 CLASS_SRC 默认值
if [[ -z $CLASS_SRC ]]; then
    CLASS_SRC="$CLASS_SRC_DEFAULT"
fi

# 校验 CLASS_SRC 是否存在
if [[ ! -f $CLASS_SRC ]]; then
    echo "Error: CLASS_SRC file does not exist: $CLASS_SRC"
    exit 1
fi

# 加载公共逻辑脚本
source "$(dirname "$0")/common.sh"

# 解析 Class 名称
CLASS_NAME=$(basename "$CLASS_SRC")
echo "Using CLASS_NAME: $CLASS_NAME"

# 执行上传
echo "Uploading $CLASS_NAME to server $REMOTE_HOST..."
sshpass -p "$REMOTE_PASSWORD" scp -P "$REMOTE_PORT" "$CLASS_SRC" "$REMOTE_USER@$REMOTE_HOST:$REMOTE_DIR/"
echo "Upload success..."

# 执行热更新
echo "Running hot update on server $REMOTE_HOST..."
sshpass -p "$REMOTE_PASSWORD" ssh -p "$REMOTE_PORT" "$REMOTE_USER@$REMOTE_HOST" << EOF
    PID=\$(jps | grep "$PROJECT_NAME" | awk '{print \$1}')
    
    if [ -n "\$PID" ]; then
        echo "Found $PROJECT_NAME process ID: \$PID"
        java -jar $REMOTE_ARTHAS_DIR/arthas-boot.jar \$PID << END
          retransform $REMOTE_DIR/$CLASS_NAME
          exit
END
          echo "Completed hot update for $CLASS_NAME"
    else
        echo "No matching $PROJECT_NAME process found on $REMOTE_HOST."
    fi
EOF