全自动安装Mongo副本集

mongo# chmod +x deployinstance.sh initreplicaset.sh
# 三个节点上分别运行该脚本
mongo# ./deployinstance.sh
# ip1 和ip2 是mongodb中作为secondary的节点ip,然后在Primary节点上运行该脚本
mongo# ./initreplicaset.sh ip1 ip2

#!/bin/bash
# Deploy mongodb,node-exporter,mongodb-exporter in suse 12 sp1
cronfile="/var/spool/cron/tabs/root"
mongocmd="/usr/bin/mongod"if [ `ifconfig | grep -c bond` -ne 0 ]; then
   iface=bond
else
   iface=eth
   if [ `ifconfig | grep -c eth1` -eq 0 ]; then
       iface_local_flag=1
   else
       iface_local_flag=0
   fi
fi
vm_private_ip=`ifconfig ${iface}0 | grep "inet addr" | cut -d ":" -f 2 | cut -d " " -f 1`if [ $iface_local_flag -eq 1 ]; then
   vm_public_ip=${vm_private_ip}else
   vm_public_ip=`ifconfig ${iface}1 | grep "inet addr" | cut -d ":" -f 2 | cut -d " " -f 1`
fi
# echo -e "\033[41;36m the Current host ip is: ${vm_private_ip} \033[0m"echo -e "\033[41;36m Stoping firewall \033[0m"
systemctl  stop SuSEfirewall2.service
systemctl disable SuSEfirewall2.service# install mongodbecho -e "\033[41;36m import mongodb public key \033[0m"
sudo rpm --import https://www.mongodb.org/static/pgp/server-3.4.ascecho -e "\033[41;36m Adding mongodb repo \033[0m"# sudo zypper addrepo -f https://ftp5.gwdg.de/pub/opensuse/discontinued/distribution/12.3/repo/oss/ oss
# sudo zypper addrepo -f https://ftp5.gwdg.de/pub/opensuse/discontinued/distribution/12.3/repo/non-oss/ non-oss
sudo zypper addrepo --gpgcheck "https://repo.mongodb.org/zypper/suse/12/mongodb-org/3.4/x86_64/" mongodb
sudo zypper -n install mongodb-orgcp /etc/mongod.conf{,.`date +%F`}echo -e "\033[41;36m Adding mongodb data and logs directory \033[0m"
mkdir -pv /data/mongodb/data
mkdir -pv /var/log/mongodb/echo -e "\033[41;36m Updating mongodb configure files \033[0m"
cat << EOF > /etc/mongod.conf
dbpath=/data/mongodb/data
logpath=/var/log/mongodb/
pidfilepath=/var/run/mongodb.pid
directoryperdb=true
logappend=true
replSet=rs1
bind_ip=${vm_private_ip}
smallfiles=true
port=27017
oplogSize=5120
fork=true
journal=true
logRotate=rename
EOFcat << EOF > /data/mongodb/logRotate.sh
#!/bin/bash
#Rotate the MongoDB logs to prevent a single logfile from consuming too much disk space.
mongocmd="/usr/bin/mongod"
pidArray=\$(pidof \$mongocmd)
for pid in \$pidArray;do
   if [ \$pid ];then
       kill -SIGUSR1 \$pid
   fi
done
exit
EOF
chmod +x /data/mongodb/logRotate.sh
chown -R mongod:mongod /dataecho -e "\033[41;36m Adding Cron Task \033[0m"
sudo echo "59 23 * * * /data/mongodb/logRotate.sh" >> ${cronfile}echo -e "\033[41;36m Running Mongodb Process \033[0m"
${mongocmd} -f /etc/mongod.confecho -e "\033[41;36m Checking Mongodb Process \033[0m"ps -ef | grep /etc/mongod | grep -v grep
if [ `echo $?` -eq 0 ];then
 echo "mongodb Running now"
else
 echo "mongodb start failed"
 exit 3
fiecho -e "\033[41;36m Deploy Node-exporter \033[0m"
cd /opt
wget https://github.com/prometheus/node_exporter/releases/download/v0.16.0/node_exporter-0.16.0.linux-amd64.tar.gz
tar xf node_exporter-0.16.0.linux-amd64.tar.gz
/usr/bin/nohup /opt/node_exporter-0.16.0.linux-amd64/node_exporter &echo -e "\033[41;36m Deploy Mongodb-exporter \033[0m"
cd /opt
wget https://github.com/dcu/mongodb_exporter/releases/download/v1.0.0/mongodb_exporter-linux-amd64
chmod +x mongodb_exporter-linux-amd64
/usr/bin/nohup /opt/mongodb_exporter-linux-amd64 -mongodb.uri mongodb://${vm_private_ip}:27017ps -ef | grep node_exporter | grep -v grep
if [ `ehco $? ` -eq 0 ];then
   echo -e "\033[41;36m Node-Exporter Install successfully. \033[0m"
else
   echo -e "\033[41;36m Node-Exporter Install failed. \033[0m"
fips -ef | grep mongodb_exporter-linux-amd64 | grep -v grep
if [ `ehco $? ` -eq 0 ];then
   echo -e "\033[41;36m Mongo-Exporter Install successfully. \033[0m"
else
   echo -e "\033[41;36m Mongo-Exporter Install failed. \033[0m"
ficat << EOF > /data/mongodb/checker.sh
#!/bin/bash
#check exporter is health
ps -ef | grep node_exporter | grep -v grep
if [ \`ehco \$? \` -nq 0 ];then
   /usr/bin/nohup /opt/node_exporter-0.16.0.linux-amd64/node_exporter &  
fi
ps -ef | grep mongodb_exporter-linux-amd64 | grep -v grep
if [ \`ehco \$? \` -nq 0 ];then
   /usr/bin/nohup /opt/mongodb_exporter-linux-amd64 -mongodb.uri mongodb://${vm_private_ip}:27017
else
fi
if [ \`ps -ef | grep mongod.conf | grep -v grep | wc -l\` -lt 0 ];then
   /usr/bin/mongod -f /etc/mongod.conf
fi
EOFchmod +x /data/mongodb/checker.sh
sudo echo "*/2 * * * * /data/mongodb/checker.sh" >> ${cronfile}exit

#!/bin/bash
echo "run this script in primary host"if [ `ifconfig | grep -c bond` -ne 0 ]; then
   iface=bond
else
   iface=eth
   if [ `ifconfig | grep -c eth1` -eq 0 ]; then
       iface_local_flag=1
   else
       iface_local_flag=0
   fi
fi
vm_private_ip=`ifconfig ${iface}0 | grep "inet addr" | cut -d ":" -f 2 | cut -d " " -f 1`if [ $iface_local_flag -eq 1 ]; then
   vm_public_ip=${vm_private_ip}else
   vm_public_ip=`ifconfig ${iface}1 | grep "inet addr" | cut -d ":" -f 2 | cut -d " " -f 1`
fiinstall_filed=3
unknown_error=2
service_error=4# echo "db.serverStatus()" | `which mongo` admin
echo -e "\033[41;36m Checking mongo is ok \033[0m"ps -ef | grep mongo | grep -v grep
if [ `echo $?` -eq 0 ];then
 echo "mongodb process is ok"
else
 echo "mongodb is not running..."
 exit ${service_error}
fiecho -e "\033[41;36m initiate replica set cluster \033[0m"
echo "rs.initiate({_id:\"rs1\",members:[{_id:0,\"host\":\"${vm_private_ip}:27017\",priority:3},{_id:1,\"host\":\"$1:27017\",priority:2},{_id:2,\"host\":\"$2:27017\",priority:2}]})" | $mongo --host ${vm_private_ip} --port 27017 admin > /tmp/initiate.loggrep 'ok' /tmp/initiate.log
if [ `echo $?` -eq 0 ];then
 echo "initiate done."
else
 echo "initiate failed"
 exit ${unknown_error}
fiecho -e "\033[41;36m show replica set status \033[0m"
echo "rs.status()" | $mongo --host ${vm_private_ip} --port 27017 admin && netstat -tunlp | grep mongod | grep -v grepecho -e "\033[41;36m set slaveOK() \033[0m"
if `ping -c 4 $1 && ping -c 4 $2`;then
 echo "rs.slaveOk()" | $mongo --host ${vm_private_ip} --port 27017 admin
 echo "rs.slaveOk()" | $mongo --host $1 --port 27017 admin
 echo "rs.slaveOk()" | $mongo --host $2 --port 27017 admin
else
 echo "the network is unreachable..."
 exit ${unknown_error}
fi