从 JSON Array 的所有块中提取键/值对，然后使用 BASH 和 JQ 将其作为新的键/值对附加到 JSON Array 的每个块中

Question

我正在尝试创建一个脚本，该脚本从数组的所有块中提取一些键/值，然后使用该值运行另一个 shell 脚本以生成一个新值，然后分别在所有块中附加该新键/值。

例如，

serverdetails.json 文件

{
  "server_details": [
    {
      "seqNo": "01",
      "storage": "IBM",
      "datastore": "IDS-NR02",
      "cpu": 4,
      "site": "SGDC",
      "servertype": "Virtual Machine",
      "location": "Serangoon",
      "operatingsystem": "Linux",
      "systemcode": "BOC",
      "ram": 64,
      "databasesoftware": "MSSQL 2016",
      "usagetype": "Database Server",
      "environment": "Production_WithCustData",
      "domain": "DAPAC",
      "IPAddress": "10.117.254.25",
      "DNS": "10.118.76.34",
      "Gateway": "10.118.76.1",
      "drives": [
        {
          "C": "100"
        },
        {
          "D": "50"
        }
      ]
    },
    {
      "seqNo": "02",
      "storage": "HITACHI",
      "datastore": "HDS-NR02",
      "cpu": 4,
      "site": "SGDR",
      "servertype": "Virtual Machine",
      "location": "DRC",
      "operatingsystem": "Windows",
      "systemcode": "WOC",
      "ram": 64,
      "databasesoftware": "NA",
      "usagetype": "Web Server",
      "environment": "Production_NonCustData",
      "domain": "EDAPAC",
      "IPAddress": "10.117.254.26",
      "DNS": "10.118.76.34",
      "Gateway": "10.118.76.1",
      "drives": [
        {
          "C": "100"
        },
        {
          "D": "50"
        }
      ]
    },
   {
     //can be n no of blocks
   }
  ]
}

现在假设块 1 的“站点”值为“SGDC”，“域”为“DAPAC”，“usagetype”为“数据库服务器”，我将在另一个 shell 脚本中传递这些值（我已经有了这个 shell 脚本）作为用于生成新值“SGDDAPACDS”的参数并将其用作新的键/值对，即“主机名”：“SGDDAPACDB”并将其附加到块 1 中。类似地，块 2 将具有“主机名”：“SGDEDAPACWS”。 所以最后，JSON 应该是这样的，

{
  "server_details": [
    {
      "seqNo": "01",
      "storage": "IBM",
      "datastore": "IDS-NR02",
      "cpu": 4,
      "site": "SGDC",
      "servertype": "Virtual Machine",
      "location": "Serangoon",
      "operatingsystem": "Linux",
      "systemcode": "BOC",
      "ram": 64,
      "databasesoftware": "MSSQL 2016",
      "usagetype": "Database Server",
      "environment": "Production_WithCustData",
      "domain": "DAPAC",
      "IPAddress": "10.117.254.25",
      "DNS": "10.118.76.34",
      "Gateway": "10.118.76.1",
      "drives": [
        {
          "C": "100"
        },
        {
          "D": "50"
        }
      ],
      "hostname": "SGDDAPACDS"            //new value
    },
    {
      "seqNo": "02",
      "storage": "HITACHI",
      "datastore": "HDS-NR02",
      "cpu": 4,
      "site": "SGDR",
      "servertype": "Virtual Machine",
      "location": "DRC",
      "operatingsystem": "Windows",
      "systemcode": "WOC",
      "ram": 64,
      "databasesoftware": "NA",
      "usagetype": "Web Server",
      "environment": "Production_NonCustData",
      "domain": "EDAPAC",
      "IPAddress": "10.117.254.26",
      "DNS": "10.118.76.34",
      "Gateway": "10.118.76.1",
      "drives": [
        {
          "C": "100"
        },
        {
          "D": "50"
        }
      ],
      "hostname": "SGDEDAPACWS"       //new value
    },
   {
     //can be n no of blocks
   }
  ]
}

提前致谢

Answer 1

我可以通过脚本解决它。 基本上，我在单引号和双引号中挣扎。

下面是示例脚本

#!/bin/bash

if [ -f ./serv_details.json ]; 
then 
    arrayCount=`jq '.server_details | length' ./serv_details.json`
    for (( ac=0; ac<arrayCount; ac++ ))
    do 
        SITE=$(jq -r ".server_details[$ac].site" serv.json)
        LOC=$(jq -r ".server_details[$ac].environment" serv.json )
        SEQ=$(jq -r ".server_details[$ac].seqNo" serv.json)
        HO=`./hostsample.sh $SITE $LOC $SEQ`;   # It generates the concated Value
        echo $HO
        cat serv.json | jq '.server_details['"$ac"'] += {"hostname": "'"$HO"'"}' | sponge serv.json
        
    done
else
    echo "pls pass the value file"
fi

然后输出将是

{
  "server_details": [
    {
      "seqNo": "01",
      "storage": "IBM",
      "datastore": "IDS-G400-VS-DC-DE-T2-P01-NR02",
      "cpu": 4,
      "site": "SGDC",
      "servertype": "Virtual Machine",
      "location": "Serangoon",
      "operatingsystem": "Linux",
      "systemcode": "BOC",
      "ram": 64,
      "databasesoftware": "MSSQL 2016",
      "usagetype": "Database Server",
      "environment": "Production_WithCustData",
      "domain": "DAPAC",
      "IPAddress": "10.117.254.25",
      "DNS": "10.118.76.34",
      "Gateway": "10.118.76.1",
      "drives": [
        {
          "C": "100"
        },
        {
          "D": "50"
        }
      ],
      "hostname": "SGDS01"
    },
    {
      "seqNo": "02",
      "storage": "HITACHI",
      "datastore": "HDS-G400-VS-DC-DE-T2-P01-NR02",
      "cpu": 4,
      "site": "SGDR",
      "servertype": "Virtual Machine",
      "location": "DRC",
      "operatingsystem": "Windows",
      "systemcode": "WOC",
      "ram": 64,
      "databasesoftware": "NA",
      "usagetype": "Web Server",
      "environment": "Production_NonCustData",
      "domain": "DAPAC",
      "IPAddress": "10.117.254.26",
      "DNS": "10.118.76.34",
      "Gateway": "10.118.76.1",
      "drives": [
        {
          "C": "100"
        },
        {
          "D": "50"
        }
      ],
      "hostname": "SGDD02"
    }
  ]
}