Vagrantでmongodbがインストールされた仮想マシン(CentOS7.3)を構築する

mongodbがインストールされた仮想マシンを構築するには、以下のVagrantfileを使用します。このスクリプトでは、mongodbのインストールの他に、管理者であるadminユーザ(パスワードはadmin)と、一般ユーザであるtestユーザ(パスワードはtest)も作成し、testデータベースにproductsコレクションにテストデータを登録します。


Vagrantfile

VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "bento/centos-7.3"
  config.vm.hostname = "mongodb"
  config.vm.provider :virtualbox do |vbox|
     vbox.name = "mongodb"
     vbox.cpus = 4
     vbox.memory = 4096
     vbox.customize ["modifyvm", :id, "--nicpromisc2","allow-all"]
  end
  # private network
  config.vm.network "private_network", ip: "192.168.55.74", :netmask => "255.255.255.0"
  # bridge netwrok
  config.vm.network "public_network", ip: "192.168.1.74", :netmask => "255.255.255.0"
  config.vm.network "forwarded_port", guest:22, host:19022, id:"ssh"
  config.vm.provision "shell", inline: <<-SHELL
#yum -y install unzip

cp /vagrant/disable-transparent-hugepages /etc/init.d/
chmod 755 /etc/init.d/disable-transparent-hugepages
chkconfig --add disable-transparent-hugepages
/etc/init.d/disable-transparent-hugepages start

cp /vagrant/mongodb-org-3.4.repo /etc/yum.repos.d/mongodb-org-3.4.repo
sudo yum install -y mongodb-org

mkdir -p /srv/mongodb/
openssl rand -base64 741 > /srv/mongodb/mongodb-keyfile
chmod 600 /srv/mongodb/mongodb-keyfile
chown mongod:mongod /srv/mongodb/mongodb-keyfile
echo 'security:' >> /etc/mongod.conf
echo '  keyFile: /srv/mongodb/mongodb-keyfile' >> /etc/mongod.conf

systemctl enable mongod
systemctl start mongod

# wait until mongod starts listening.
while netstat -lnt | awk '$4 ~ /:27017$/ {exit 1}'; do sleep 10; done

mongo /vagrant/addusers.js
echo '  authorization: enabled' >> /etc/mongod.conf

systemctl restart mongod
while netstat -lnt | awk '$4 ~ /:27017$/ {exit 1}'; do sleep 10; done

# create a test user.
mongo -u "admin" -p "admin" --authenticationDatabase "admin" /vagrant/createst.js

# create sample data
mongo -u "test" -p "test" --authenticationDatabase "test" /vagrant/sample.js

SHELL
end

mongodb-org-3.4.repo

[mongodb-org-3.4]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.4/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-3.4.asc

disable-transparent-hugepages

#!/bin/bash
### BEGIN INIT INFO
# Provides:          disable-transparent-hugepages
# Required-Start:    $local_fs
# Required-Stop:
# X-Start-Before:    mongod mongodb-mms-automation-agent
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Disable Linux transparent huge pages
# Description:       Disable Linux transparent huge pages, to improve
#                    database performance.
### END INIT INFO

case $1 in
  start)
    if [ -d /sys/kernel/mm/transparent_hugepage ]; then
      thp_path=/sys/kernel/mm/transparent_hugepage
    elif [ -d /sys/kernel/mm/redhat_transparent_hugepage ]; then
      thp_path=/sys/kernel/mm/redhat_transparent_hugepage
    else
      return 0
    fi

    echo 'never' > ${thp_path}/enabled
    echo 'never' > ${thp_path}/defrag

    re='^[0-1]+$'
    if [[ $(cat ${thp_path}/khugepaged/defrag) =~ $re ]]
    then
      # RHEL 7
      echo 0  > ${thp_path}/khugepaged/defrag
    else
      # RHEL 6
      echo 'no' > ${thp_path}/khugepaged/defrag
    fi

    unset re
    unset thp_path
    ;;
esac

addusers.js

var db = db.getSiblingDB('admin');
db.createUser({user:"admin",pwd:"admin",roles:[{role:"userAdminAnyDatabase",db:"admin"}]});

createtest.js

var db = db.getSiblingDB('test');
db.createUser({user:"test",pwd:"test",roles:[{role:"readWrite",db:"test"}]});

sample.js

var db = db.getSiblingDB('test');
db.products.insert( { item: "chair", qty: 15 } );
db.products.insert( { item: "table", qty: 3 } );
db.products.find();

〇関連情報
・Vagrantでmongo-expressがインストールされた仮想マシン(CentOS7.4)を構築する
http://serverarekore.blogspot.jp/2017/11/vagrantmongo-expresscentos74.html

・VagrantでMongoDBをインストールした仮想マシン(Ubuntu16.04)を構築する
http://serverarekore.blogspot.jp/2017/11/vagrantmongodbubuntu1604.html