Zookeeper数据导出脚本

递归算法导出：

#!/bin/bash

ZK_SERVER="127.0.0.1:2181"

ZK_CLI_PATH="/opt/module/zookeeper-3.5.7-bin/bin/zkCli.sh"

OUTPUT_FILE="/opt/module/zookeeper-3.5.7-bin/bin/zk_data_export.txt"

TMP_SCRIPT="/opt/module/zookeeper-3.5.7-bin/bin/zk_command.tmp"

: > $OUTPUT_FILE

function zkCommand() {
    # echo "$1" | $ZK_CLI_PATH -server $ZK_SERVER 2>&1
    echo "addauth digest cache:svcctlg" > "$TMP_SCRIPT"
    echo "$1" >> "$TMP_SCRIPT"
    $ZK_CLI_PATH -server $ZK_SERVER < "$TMP_SCRIPT" 2>&1
}

# 对 ZooKeeper 进行认证
# zkCommand "addauth digest cache:svcctlg"

function exportZK() {
    local path=$1
    {
        echo "节点: $path"
        local data=$(zkCommand "get $path" | tail -2 | head -1)
        echo "$data"
        echo ""
    } >> $OUTPUT_FILE

    local children_output=$(zkCommand "ls $path")
    local children=$(echo "$children_output" | grep -o '\[.*\]' | tail -2 | head -1 | tr -d '[],' | tr ',' '\n')
    echo $children
    
    for child in $children; do
        local child_path="$path/$child"
        if [ "$path" == "/" ]; then
            child_path="/$child"
        fi
        exportZK "$child_path"
    done
}

exportZK "/a1"

echo "ZooKeeper 数据导出完成，文件保存于 $OUTPUT_FILE"