collect logs from servers to locally

1.  install expect module.

2. write logcollect.exp file

 

set USERNAME "fishyych"
set CMD_PROMPT "]*"
set REMOTE_SERVER [lindex $argv 0]
set TARGET_FILENAME [lindex $argv 2]
set TARGET_FOLDER [lindex $argv 1]

set timeout 30
spawn ssh $USERNAME@jumpserver
expect $CMD_PROMPT

set timeout -1
send "scp $REMOTE_SERVER:/opt/tomcat/logs/catalina.out.1.gz ~/$TARGET_FILENAME\r"
expect $CMD_PROMPT
send "exit\r"

set timeout -1
spawn scp $USERNAME@jumpserver:~/$TARGET_FILENAME $TARGET_FOLDER/$TARGET_FILENAME
expect $CMD_PROMPT

 3. write run.sh

#!/bin/sh

TARGET_FOLDER="logbackup"

cat serverlist | while read REMOTE_SERVER 
do
        echo "getting catalina.out from server $REMOTE_SERVER..."
        TARGET_FILENAME=`date +%F`-$REMOTE_SERVER-catalina.out.gz
        ./logcollect.exp $REMOTE_SERVER $TARGET_FOLDER $TARGET_FILENAME
        echo "log saved locally finished."
done