#!/bin/bash

export JAVA_HOME=/app/jdk/jdk1.8.0_92

export HADOOP_CONF_DIR=/home/hdfs/balancer/hadoop-conf

rm -f hostname.txt

rm -f dfused.txt

rm -f hostdfs.txt

rm -f hostdfs_alert.txt

###獲取大于97%的主機名和dfs used%

function checkdfs(){

echo "start checking hdfs used rate"

hdfs dfsadmin -report | grep -i "50010" | awk -F ":" ‘{print $2}‘| awk ‘{print $1}‘ > hostname.txt

hdfs dfsadmin -report | grep "DFS Used%" | awk -F ": " ‘{print $2}‘ | awk -F "%" ‘{print $1}‘ > dfused.txt

livesum=$(hdfs dfsadmin -report | grep "Live datanodes" | awk ‘{print $3}‘ | awk -F "):" ‘{print $1}‘ | awk -F "(" ‘{print $2}‘)

echo $livesum

sed -i ‘1d‘ dfused.txt

let livesum+=1

sed -i $livesum‘,$d‘ dfused.txt

sed -i $livesum‘,$d‘ hostname.txt

linesum=$(cat hostname.txt | wc -l)

echo $linesum

harr=($(awk ‘{print $1}‘ hostname.txt))

darr=($(awk ‘{print $1}‘ dfused.txt))

if [ $linesum -gt 0 ]

then

for (( i = 0 ; i < ${#harr[@]} ; i++ ))

do

for (( j = 0 ; j < ${#darr[@]} ; j++ ))

do

if [ $i -eq $j ]

then

echo ${harr[$i]} ":" ${darr[$j]} >> hostdfs.txt

fi

done

done

else

echo "Not Live Datanodes"

fi

ddarr=($(cat hostdfs.txt | awk ‘$3>97{print $3}‘ |sort -ru))

for (( m = 0; m< ${#ddarr[@]} ; m++ ))

do

if [[ $(echo $(cat hostdfs.txt) | grep "${ddarr[$m]}") != "" ]]

then

echo $(cat hostdfs.txt | grep "${ddarr[$m]}" | awk ‘NR==1{print $1}‘) ":" ${ddarr[$m]} >> hostdfs_alert.txt

fi

done

}

checkdfs

url="http://xxx/monitor/report/sendReport"

linenum=$(cat hostdfs_alert.txt | wc -l)

let linenum+=1

echo $linenum

#上報數據

function postdfs(){

for (( k = 1; k< $linenum ; k++ ))

do

key=$(echo $(sed -n "$k p" hostdfs_alert.txt | awk -F ":" ‘{print "bdp.ops."$1".##cluster=bdp##env=prod"}‘) | awk ‘{gsub(/[[:blank:]]*/,"",$0);print $0;}‘ )

echo $key >>key.txt

value=$(sed -n "$k p" hostdfs_alert.txt | awk -F ": " ‘{print $2}‘)

data="{\"key\":\"$key\",\"value\":\"$value\"}"

echo $data

cmd="curl -s -X POST -H ‘Content-type‘:‘application/json‘ -d ‘${data}‘ ${url}"

sh -c "$cmd"

done

}

postdfs

data_expression="x>97"

data_time=5

data_count=1

data_alertMode="1,2,3"

data_members="01384016"

add_url="http://xxx/monitor/rule/addReport"

keynum=$(cat key.txt | wc -l)

let keynum+=1

echo $keynum

function dfsalert(){

for((n=1;n

do

data_key=$(sed -n "$n p" key.txt | awk ‘{print $1}‘)

str1=$(sed -n "$n p" key.txt | awk -F "." ‘{print $3"."$4"."$5"."$6}‘)

str2="以下主機IP HDFS使用已經超過97%："

data_description=${str2}${str1}

add_data="{\"id\":\"$data_key\",\"expression\":\"$data_expression\",\"time\":$data_time,\"count\":$data_count,\"alertMode\":\"$data_alertMode\",\"members\":\"$data_members\",\"description\":\"$data_description\"}"

echo $add_data

add_cmd="curl -s -X POST -H ‘Content-type‘:‘application/json‘ -d ‘${add_data}‘ ${add_url}"

sh -c "$add_cmd"

done

}

dfsalert

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