transferpackage.sh

#!/bin/bash

# v0.2
# 1、添加套件外部链接检测功能
#    提示：部分套件会链接到套件文件夹外部的文件（夹），迁移后一般还能正常运行，如果外部的文件（夹）在需要调整的存储空间上，你可能需要手动移动它们，同时修改对应的软链接
# 2、增加显示特定存储空间上安装的套件清单功能
# 3、增加对迁移目标存储空间的检测

operation=$1


dir=("conf" "home" "store" "temp" "data")
link=("etc" "home" "target" "tmp" "var")


check_package () {
    echo 正在检测套件是否含有外部链接...
    check_result=0
    for l in "${link[@]}";
    do
        if [ -e /var/packages/$package/$l ]
        then
            for f in `find /var/packages/$package/$l/ -type l`
            do
                #ll=$(ls -l $f)
                #echo /${ll#*/}
                local k=0
                for ((j=0;j<=4;j++))
                do
                if [ -e /var/packages/$package/${link[$j]} ]
                then
                    lk=$(ls -l /var/packages/$package/${link[$j]})
                    # echo realpath1: `realpath -e --relative-base=${lk##* } $f`
                    # echo realpath2: `realpath -e $f`
                    if [ `realpath -e --relative-base=${lk##* } $f` = `realpath -e $f` ] 
                    then
                        # echo realpath1=realpath2
                        ((k=k+1))
                    else
                        # echo $f在${lk##* }目录下
                        break
                    fi
                    if [ $k -eq 5 ]
                    then
                        check_result=1
                        ll=$(ls -l $f)
                        echo 有外部链接：/${ll#*/}
                    fi
                else
                    echo /var/packages/$package/${link[$j]} 不存在.
                    exit
                fi
                
                done
        
            done
        else
            echo /var/packages/$package/$l 不存在.
            exit
        fi
    done
    if [ $check_result -eq 0 ]
    then
        echo 没有外部链接
    fi
}

check_answer () {
    local a=1
    while [ $a -ne 0 ]
        do
        read -n1 -p "是否继续迁移套件$package?[y/n]" answer
        case $answer in
            Y|y)
                a=0
                echo;;
            N|n)
                echo
                exit;;
        esac
    done
}

show_usage () {
    echo "使用方法:
    显示套件清单：
        transferpackage.sh list [存储空间编号]
        示例： transferpackage.sh list 显示所有安装的套件
               transferpackage.sh list 2 显示所有安装在存储空间2上的套件
    迁移套件：
        transferpackage.sh transfer 套件名 目标存储空间编号
    检查套件外部链接：
        transferpackage.sh check 套件名
    显示本帮助：
        transferpackage.sh help"
}

case $operation in
    list)
        if [ $2 ]
        then
            synostgvolume --enum-dep-pkgs /volume$2
        else
            #package_list=$(ls /var/packages/ |tr -s " ")
            echo " 套件名 -- 套件中心显示的名称
-----------------------------"
            for a in `synopkg list --name`
            do
            if [ -e /var/packages/$a/INFO ]
            then
                package_name=$(cat /var/packages/$a/INFO | grep displayname_chs\= | grep -o '".*"' |sed 's/"//g')
                if [ -z "$package_name" ]
                then
                    package_name=$(cat /var/packages/$a/INFO | grep displayname\= | grep -o '".*"' |sed 's/"//g')
                fi
                echo $a -- $package_name
            else
                echo $a -- /var/packages/$a/INFO 文件不存在.该套件可能已卸载.
            fi
            done
        fi
        ;;
    transfer)
        if [ ! $2 ];then show_usage;exit;fi
        if [ ! $3 ];then show_usage;exit;fi
        package=$2
        new_volume=$3
        # 检测目标存储空间
        synostgvolume --is-writable /volume$new_volume 2>/dev/null
        if [ $? -eq 255 ];then echo 错误：目标存储空间不可用;exit;fi
        case `synopkg status $package | sed 's/^.*Status: \[//g' | sed 's/\].*//g'` in
            0)
                echo "检测到套件$package未停用，为避免出现未知错误建议先停用该套件再进行迁移."
                check_answer
                ;;
            255)
                echo 套件$package未安装
                exit;;
            263)
                #echo 套件$package已停用
                ;;
        esac
        # 检测外部链接
        check_package
        if [ $check_result -eq 1 ]
        then
            echo "套件$package存在以上外部链接，请根据需要手动迁移这些文件(夹)并修改相应链接."
            check_answer
        fi
        for ((i=0;i<=4;i++))
        do
        if [ -e /var/packages/$package/${link[$i]} ]
        then
            lk=$(ls -l /var/packages/$package/${link[$i]})
            original_lk=${lk##* }
            original_volume=${original_lk:7:1}
            if [ $new_volume -ne $original_volume ]
            then
                if [ ! -d /volume$new_volume/@app${dir[$i]} ]
                then
                    mkdir /volume$new_volume/@app${dir[$i]}
                    if [ $? -eq 0 ];then echo -e "添加文件夹 /volume$new_volume/@app${dir[$i]}...\e[0;32m完成\e[0m.";else echo -e "添加文件夹 /volume$new_volume/@app${dir[$i]}...\e[0;31m失败\e[0m.";exit;fi
                fi
                new_lk=$original_lk
                new_lk=${original_lk/$original_volume/$new_volume}
                cp -a $original_lk $new_lk
                if [ $? -eq 0 ];then echo -e "复制 $original_lk 到 $new_lk...\e[0;32m完成\e[0m.";else echo -e "复制 $original_lk 到 $new_lk...\e[0;31m失败\e[0m.";exit;fi
                ln -snf $new_lk /var/packages/$package/${link[$i]}
                if [ $? -eq 0 ];then echo -e "链接 $new_lk 到 /var/packages/$package/${link[$i]}...\e[0;32m完成\e[0m.";else echo -e "链接 $new_lk 到 /var/packages/$package/${link[$i]}...\e[0;31m失败\e[0m.";exit;fi
            else
                echo "目标存储空间与套件/var/packages/$package/${link[$i]}文件夹所在存储空间相同，无需迁移."
            fi
        else
            echo "/var/packages/$package/${link[$i]} 不存在."
            exit
        fi
        done
        ;;
    check)
        if [ ! $2 ];then show_usage;exit;fi
        package=$2
        check_package
        ;;
    help|*)
        show_usage
        ;;
esac

显示所有套件目录，找到要迁移套件的目录名

./transferpackage.sh list

迁移示例：要把“存储空间分析器”套件迁移到存储空间2，则执行./transferpackage.sh transfer StorageAnalyzer 2

./transferpackage.sh transfer [packagefolder_name] [targetvolume_num]