主页 / unix / 问题 / 496171
Accepted
Parul Chourasia
Asked: 2019-01-24 02:09:34 +0800 CST

如何在 bash 脚本中的 SSH 中执行多行代码

  • 772

我想执行下面的代码，但它在 vi 中用红色突出显示代码中的错误。在sudo ssh -t root@$ip << EOF line 之后出现错误。我在哪里编写错误的脚本？

#!/bin/bash
cassandra_home=$(python -c "import json; print \",\".join(json.load(open('${repair.json}','r'))[\"cassandra_home\"])")
iplist[@]=$(python -c "import json; print \",\".join(json.load(open('${repair.json}','r'))[\"iplist\"])")
for ip in ${iplist[@]}
do
  sudo ssh -t root@$ip << EOF
    for ip in ${iplist[@]} 
    do
      echo Checking $ip for ongoing repairs
      ${cassandra_home}nodetool -h $ip tpstats | grep Repair#
      response=$?
      if [ $response -eq 0 ]; then
        repair_ongoing=true
        echo "Ongoing repair on $ip"
      fi
    done 
    if ! [ $repair_ongoing ]; then
      ## echo "Taking a snapshot."
      ## ${cassandra_home}bin/nodetool -h $ip snapshot
      echo "Starting repair on $ip"
      start=$(date +%s)
      ${cassandra_home}bin/nodetool -h $ip repair -pr -inc -local metadata
      sleep 3
      ${cassandra_home}bin/nodetool -h $ip cleanup metadata 
      end=$(date +%s)
      #echo "ks.tab,st,et,last run,status">>repair_status.csv
      echo "Repair and cleanup completed for metadata in $((end - start)) seconds"
    fi
    exit 0
  EOF
done
linux shell-script

2 个回答

  1. Best Answer

    使用https://www.shellcheck.net/（有一个 vim 插件）它会告诉你

    Line 18:
  EOF
 ^-- SC1039: Remove indentation before end token (or use <<- and indent with tabs).

    然后继续列出许多其他问题。

    • 0

  2. 您正在尝试将值数组存储在iplist[@]但作为静态声明...

    尝试如下：

    #!/bin/bash
cassandra_home=(`python -c "import json; print \",\".join(json.load(open('${repair.json}','r'))[\"cassandra_home\"])"`)
iplist[@]=(`python -c "import json; print \",\".join(json.load(open('${repair.json}','r'))[\"iplist\"])`)
for ip in ${iplist[@]}
do
  sudo ssh -t root@$ip "
    for ip in ${iplist[@]} 
    do
      echo Checking $ip for ongoing repairs
      ${cassandra_home}nodetool -h $ip tpstats | grep Repair#
      response=$?
      if [ $response -eq 0 ]; then
        repair_ongoing=true
        echo \"Ongoing repair on $ip\"
      fi
    done 
    if ! [ $repair_ongoing ]; then
      ## echo \"Taking a snapshot.\"
      ## ${cassandra_home}bin/nodetool -h $ip snapshot
      echo \"Starting repair on $ip\"
      start=`date +%s`
      ${cassandra_home}bin/nodetool -h $ip repair -pr -inc -local metadata
      sleep 3
      ${cassandra_home}bin/nodetool -h $ip cleanup metadata 
      end=`date +%s`
      #echo \"ks.tab,st,et,last run,status\">>repair_status.csv
      echo \"Repair and cleanup completed for metadata in $end - $start seconds\"
    fi
    exit 0"

done
    • 0

相关问题