所以,我有这样的 apache2 配置文件:
<Proxy balancer://mycluster>
BalancerMember "ajp://10.x.x.xxx:8009" route=node1 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
BalancerMember "ajp://10.x.x.xx:8009" route=node2 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
BalancerMember "ajp://10.x.x.xxx:8009" route=node3 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
BalancerMember "ajp://10.x.x.xx:8009" route=node4 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
BalancerMember "ajp://10.x.x.xx:8009" route=node5 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
BalancerMember "ajp://10.x.x.xx:8009" route=node6 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
BalancerMember "ajp://10.x.x.xxx:8009" route=node7 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
ProxySet lbmethod=byrequests
</Proxy>
我想要做的是在行之前插入一个带有 # 的新 BalancerMember ProxySet lbmethod=byrequests
。我将使用 shell 脚本来做到这一点。
所以它应该看起来像: #BalancerMember "ajp://10.x.x.xxx:8009" route=node8 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60
我尝试过的是:
awk -v s1='"' -v ip="10.0.7.1" -v no="8" '
/ProxySet lbmethod=byrequests/{
print "\n\t\t#BalancerMember " s1 "ajp://" ip ":8009" s1 " route=node" no " loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60"
next
}
1' /tmp/000-site.conf > /tmp/000-site.conf.tmp && mv /tmp/000-site.conf.tmp /tmp/000-site.conf
}
所以,上述解决方案工作正常,但留下了我不想要的换行符。我曾尝试移除 ORS。
可否请您尝试以下。(创建可变line
的awk
,这将在其新的生产线的价值)
awk -v line='#BalancerMember "ajp://10.x.x.xxx:8009" route=node8 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60' '
/ProxySet lbmethod=byrequests/{
print " " line ORS $0
next
}
1' Input_file
说明:在此处添加对上述代码的说明。
awk -v line='#BalancerMember "ajp://10.x.x.xxx:8009" route=node8 loadfactor=1 keepalive=on ttl=300 max=400 timeout=300 retry=60' ' ##Creating variable line.
/ProxySet lbmethod=byrequests/{ ##Checking condition here if a line has string ProxySet lbmethod=byrequests then do following.
print " " line ORS $0 ##Printing space then variable line ORS and then print currrent line value then.
next ##Mentioning next out of the box keyword to skip all further statements.
}
1 ##Mentioning 1 will print the lines here, awk works on condition then action, making condition true here, print action will happen.
' Input_file ##Mentioning Input_file name here.
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