shell代码模板
发布时间：2020-12-15 18:21:49 所属栏目：安全 来源：网络整理
导读：批量ssh登录机器 #site_search_hosts?10.4.16.205,10.4.20.87,10.4.20.88,10.4.20.89,10.4.20.90,10.4.20.92,10.4.20.93,10.4.21.51,10.4.21.52,10.4.21.53,10.4.21.54,10.4.33.136,10.4.33.137,10.4.33.138,10.4.33.139,10.4.33.140 site_search_hosts=‘10
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批量ssh登录机器
#site_search_hosts?10.4.16.205,10.4.20.87,10.4.20.88,10.4.20.89,10.4.20.90,10.4.20.92,10.4.20.93,10.4.21.51,10.4.21.52,10.4.21.53,10.4.21.54,10.4.33.136,10.4.33.137,10.4.33.138,10.4.33.139,10.4.33.140
site_search_hosts=‘10.4.16.205,10.4.33.140‘
NODE_HOSTS=(${site_search_hosts//,/?})
?
#NODE_HOSTS=(
#???????10.4.33.136
#???????10.4.33.137
#???????10.4.33.138
#???????10.4.33.139
#???????10.4.33.140
#???????)
NODE_HOSTS_CNT=${#NODE_HOSTS[@]}
?
echo?$NODE_HOSTS_CNT
?
for?((?i=0;?$i<${NODE_HOSTS_CNT};?i=$i+1?))
do
????????ssh?"
[email?protected]${NODE_HOSTS[$i]}"?"hostname?-i;?
?
????????cd?.service
????????ls
done
?
例行
lastday=‘‘
while?[?1?];?do
????day=`date?+%Y%m%d`
????hour=`date?+%H`
????echo?$lastday
????echo?$day
????echo?$hour
????if?[?"${day}"?!=?"${lastday}"?-a?${hour}?-eq?6?];?then
????????cur_date=`date?-d?-1day?+%Y%m%d`
????????echo?‘run‘
????????lastday=$day
????fi
????sleep?600
????echo?"done"
done
?
读入文件
n=0
CONF_FILE="action_needed.conf"
cat?$CONF_FILE?|
????????while?read?LINE
????????do
????????????????echo?"$n)?$LINE"
????????????????n=`expr?$n?+?1`
????????done
?
字符串处理
$?date=`date`
$?echo?$date
Mon?Nov?30?10:52:09?CST?2015
$?echo?${date#*?*?*?}
10:52:09?CST?2015
$?t1=${date#*?*?*?}?
$?echo?${t1%:*:*}?
10
?
#First,?get?file?name?without?the?path:
filename=$(basename?"$fullfile")
extension="${filename##*.}"
filename="${filename%.*}"
#Alternatively,?you?can?focus?on?the?last?‘/‘?of?the?path?instead?of?the?‘.‘?which?should?work?even?if?you?have?unpredictable?file?extensions:
filename="${fullfile##*/}"
?
正则表达式匹配
s="hdfs://hdfs.example.com:8800/app/yaoyao/20141203/part-00042"
if?[[?$s?=~?[0-9]{8,8}?]];?then
????????echo?${BASH_REMATCH[0]}
fi
?
例行拉取日志（backtrack.sh）
#!/bin/bash
?
#?Step?1:?Check?Parameters
if?[?$#?-lt?2?];?then
????????echo?""
????????echo?"Usage:?sh?$0?LastDay?DaysToDownload"
????????echo?"Example:?sh?$0?20140831?7,?this?will?download?logs?for?7?days:?20140825-20140831."
????????echo?""
?
????????exit
fi
?
#?Step?2:?Fetch?log?data
last_day=$1
days_to_download=$2
for((i?=?1;?i?<=?${days_to_download}?;?++i));
do
????????((?finished?=??i?-?1))
????????((?togo?=??${days_to_download}?-?finished?))
?
????????echo?""
????????echo?"-------"?
?
????????if?[?${last_day}?=?"yesterday"?];?then
????????????????day=`date?-d?-${i}day?+%Y%m%d`
????????else
????????????????day=`date?-d?"${last_day}?${finished}?days?ago"?+%Y%m%d`
????????fi
?
????????echo?"[`date`]?Downloading?log?for?${day},?${finished}?finished,?${togo}?to?go......"
?
????????start_date=`date`
????????for?((j=1;?j<=3;?j++));
????????do
????????????#?download?logs
????????????#?download?logs?finished
????????????if?[?$??-eq?0?];?then
????????????????break
????????????fi
????????done
????????end_date=`date`
?
????????echo?"Finished?${day}.?Started?at?${start_date},?finished?at?${end_date}"
done
?
echo?""
echo?"Finished?downloading?$2?logs?(?${day}?-?${last_day}?)?!"
echo?""
?
例行拉取日志（forwardtrack.sh）
#!/bin/bash
?
#?Step?1:?Check?Parameters
if?[?$#?-lt?2?];?then
????????echo?""
????????echo?"Usage:?sh?$0?FirstDay?DaysToDownload"
????????echo?"Example:?sh?$0?20140825?7,?this?will?download?logs?for?7?days:?20140825-20140831."
????????echo?""
?
????????exit
fi
?
#?Step?2:?Fetch?log?data
first_day=$1
days_to_download=$2
for?((i=1;?i<=${days_to_download};?i++));
do
????????((?finished?=?i?-?1))
????????((?togo?=?${days_to_download}?-?finished?))
?
????????echo?""
????????echo?"-------"
?
????????day=`date?-d?"${first_day}?${finished}?days"?+%Y%m%d`
?
????????echo?"[`date`]?Downloading?log?for?${day},?finished?at?${end_date}"
done
?
echo?""
echo?"Finished?downloading?$2?logs?(?${first_day}?-?${day}?)?!"
echo?""
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