Install CDH5.11 on CentOS 7

##1)Environment initialization
Note：At least three nodes, 
the Master node at least 6G of memory, 
and the other two at least 4G of memory

|--------------|-----------|-------------|----------------|-----------|--------------------|-------------|
| Host         |   Server  |    Agent    |     zookeeper  |  namenode | secondarynamenode  |   datanode  |
|--------------|-----------|-------------|----------------|-----------|--------------------|-------------|	    
|cdh01 Master  |    Y      |     Y       |        Y       |    Y      |                    |             |
|--------------|-----------|-------------|----------------|-----------|--------------------|-------------|     
|cdh02 slave   |           |     Y       |        Y       |           |     Y              |     Y       |
|--------------|-----------|-------------|----------------|-----------|--------------------|-------------|    
|cdh03 slave   |           |     Y       |        Y       |           |                    |     Y       |
|--------------|-----------|-------------|----------------|-----------|--------------------|-------------|
|cdh04 slave   |           |     Y       |        Y       |           |                    |     Y       |
|--------------|-----------|-------------|----------------|-----------|--------------------|-------------|    
|cdh05 slave   |           |     Y       |        Y       |           |                    |     Y       |
|______________|___________|_____________|________________|___________|____________________|_____________|


#######################################
##Name resolution on every nodes
########################
cat > /etc/hosts <<EOF
127.0.0.1   localhost
192.168.51.6 cdh01
192.168.51.7 cdh02
192.168.51.16 cdh03
192.168.51.17 cdh04
192.168.51.4 cdh05
EOF

##We must to disable ipv6 on every nodes
echo 'net.ipv6.conf.all.disable_ipv6 = 1'>>/etc/sysctl.conf
echo 'net.ipv6.conf.default.disable_ipv6 = 1' >>/etc/sysctl.conf
echo 'vm.swappiness = 0' >>/etc/sysctl.conf
sysctl -p
echo never > /sys/kernel/mm/transparent_hugepage/defrag
echo 'echo never > /sys/kernel/mm/transparent_hugepage/defrag' >> /etc/rc.local
chmod +x /etc/rc.d/rc.local

groupadd hadoop -g 700
useradd hadoop -g hadoop -u 700
echo "hadoop123"|passwd --stdin hadoop
echo 'hadoop ALL=(ALL) NOPASSWD: ALL' >>/etc/sudoers

echo "ulimit -SHn 204800" >> /etc/rc.local
echo "ulimit -SHu 204800" >> /etc/rc.local
cat >> /etc/security/limits.conf << EOF
*          soft   nofile    204800
*          hard   nofile    204800
*          soft   nproc     204800
*          hard   nproc     204800
EOF

#Install jdk on every nodes
wget http://god.nongdingbang.net/downloads/auto_jdk_1.8.sh
sh auto_jdk_1.8.sh

#Install java-jdbc on every nodes
cd /home/tools
wget http://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-5.1.39.tar.gz
tar zxvf mysql-connector-java-5.1.39.tar.gz
mkdir /usr/share/java/
\cp mysql-connector-java-5.1.39/mysql-connector-java-5.1.39-bin.jar /usr/share/java/mysql-connector-java.jar
########################################################################################################

##2)Deploy local yum for CDH on cdh01
yum -y install epel-release
yum -y install nginx createrepo

cat > /etc/nginx/nginx.conf <<EOF
user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;
events {
    worker_connections 102400;
}
http {
    log_format  main  '\$remote_addr - \$remote_user [\$time_local] "\$request" '
                      '\$status \$body_bytes_sent "\$http_referer" '
                      '"\$http_user_agent" "\$http_x_forwarded_for"';
    access_log  /var/log/nginx/access.log  main;
    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   120;
    types_hash_max_size 2048;
    client_max_body_size 1G;
    client_header_timeout 10;
    client_body_timeout 10;
    fastcgi_connect_timeout 300;
    fastcgi_send_timeout 300;
    fastcgi_read_timeout 300;
    fastcgi_buffer_size 64k;
    fastcgi_buffers 4 64k;
    fastcgi_busy_buffers_size 128k;
    fastcgi_temp_file_write_size 128k;
    server_names_hash_bucket_size 64;
    gzip  on;
    gzip_min_length 1024;
    gzip_buffers  4 64k;
    gzip_http_version 1.1;
    gzip_comp_level 9;
    gzip_types text/plain text/css text/xml text/x-component text/javascript application/x-javascript application/javascript application/json application/xhtml+xml image/svg+xml image/x-icon image/gif image/png image/jpeg  video/mp4 video/x-flv video/x-m4v;
    gzip_disable "msie6";
    gzip_vary on;
    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;
    include /etc/nginx/conf.d/*.conf;
}
EOF

mkdir -p /data/www/html/

cat > /etc/nginx/conf.d/default.conf <<EOF
server {
    listen       80;
    server_name localhost;
    #charset koi8-r;
    #access_log  /var/log/nginx/log/host.access.log  main;
    location / {
        root   /data/www/html;
        autoindex on;  #允许浏览文件
    }
    #error_page  404              /404.html;
    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}
EOF

cd /data/www/html/ && wget http://god.nongdingbang.net/downloads/cm5.11.0-centos7.tar.gz
tar zxvf cm5.11.0-centos7.tar.gz && chown -R nginx.nginx /data/www/html
cd /data/www/html/cm/5.11 && createrepo .

#run this command on every nodes
cat >/etc/yum.repos.d/cloudera-cm.repo <<EOF
[cloudera-cm]
# Packages for Cloudera's Distribution for cm, Version 5, on RedHat     or CentOS 7 x86_64
name=Cloudera's Distribution for cm, Version 5
baseurl=http://192.168.51.6/cm/5.11
gpgcheck = 0
EOF

#Start nginx on cdh01
service nginx start && chkconfig nginx on


##3)Install cloudera-agent on every nodes
yum install -y vim wget openssh-clients python chrony cloudera-manager-agent cloudera-manager-daemons


##4)Install cloudera-magener on cdh01
yum install -y cloudera-manager-daemons cloudera-manager-server


##5)Install Mysql Server on cdh01
cd /home/tools
yum -y install numactl libaio net-tools
wget http://god.nongdingbang.net/downloads/mysql-5.7-el7.tgz && tar zxvf mysql-5.7-el7.tgz
if [ $? -eq 0 ];then
rpm -Uvh mysql*.rpm
fi
mkdir -p /data/{mysql_data,mysql_log,mysql_slow,mysql_undo}
chown -R mysql.mysql /data/*
cat >/etc/my.cnf<<EOF
[client]
port=3306
socket=/tmp/mysql.sock
[mysql]
no-auto-rehash
[mysqld]
port=3306
character-set-server=utf8
socket=/tmp/mysql.sock
datadir=/data/mysql_data
explicit_defaults_for_timestamp=true
lower_case_table_names=1
sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'
back_log=103
max_connections=3000
max_connect_errors=100000
table_open_cache=512
external-locking=FALSE
max_allowed_packet=32M
sort_buffer_size=2M
join_buffer_size=2M
thread_cache_size=51
query_cache_size=0
query_cache_type=0
transaction_isolation=REPEATABLE-READ
tmp_table_size=96M
max_heap_table_size=96M
log-error=/data/mysql_log/error.log
###***slowqueryparameters
long_query_time=2
slow_query_log=1
slow_query_log_file=/data/mysql_slow/slow.log
###***binlogparameters
log-bin=mysql-bin
binlog_cache_size=4M
max_binlog_cache_size=4096M
max_binlog_size=1024M
binlog_format=ROW
binlog_row_image=minimal
expire_logs_days=3
sync_binlog=0
###***undolog
innodb_undo_directory=/data/mysql_undo
innodb_undo_logs=128
innodb_undo_tablespaces=4
innodb_undo_log_truncate=1
innodb_max_undo_log_size=1G
innodb_purge_rseg_truncate_frequency
#***MyISAMparameters
key_buffer_size=16M
read_buffer_size=1M
read_rnd_buffer_size=16M
bulk_insert_buffer_size=1M
###***master-slavereplicationparameters
server-id=1
#slave-skip-errors=all
#***Innodbstorageengineparameters
innodb_buffer_pool_dump_at_shutdown=1
innodb_buffer_pool_load_at_startup=1
innodb_buffer_pool_size=16G
innodb_data_file_path=ibdata1:10M:autoextend
innodb_temp_data_file_path = ibtmp1:12M:autoextend:max:5G
#innodb_file_io_threads=8
innodb_thread_concurrency=0
innodb_flush_log_at_trx_commit=2
innodb_log_buffer_size=16M
innodb_log_file_size=512M
innodb_log_files_in_group=2
innodb_max_dirty_pages_pct=75
innodb_buffer_pool_dump_pct=50
innodb_lock_wait_timeout=50
innodb_file_per_table=on
innodb_flush_neighbors=1
innodb_io_capacity_max = 2000
wait_timeout = 14400
interactive_timeout = 14400
[mysqldump]
quick
max_allowed_packet=32M
 
[myisamchk]
key_buffer=16M
sort_buffer_size=16M
read_buffer=8M
write_buffer=8M
 
[mysqld_safe]
open-files-limit=28192
log-error=/data/mysql_log/error.log
pid-file=/data/mysql_data/mysqld.pid
EOF


##6)Initialize MySQL configuration
mysqld --defaults-file=/etc/my.cnf --user=mysql \
--datadir=/data/mysql_data --initialize-insecure


##7)Start mysql
systemctl restart mysqld && systemctl enable mysqld


##8)setting root's password for mysql on cdh01
mysql -e "ALTER USER 'root'@'localhost' IDENTIFIED BY 'Ad@sd119';"
mysql -uroot -pAd@sd119 -Dmysql -e "select user,host,authentication_string,password_expired from user;"

mysql -uroot -pAd@sd119 -e "create database scm default character set utf8;grant all privileges on *.* to scm@'%' identified by 'scm';"
mysql -uroot -pAd@sd119 -e "create database amon default character set utf8;grant all privileges on amon.* to 'amon'@'%' identified by 'amon_password';"
mysql -uroot -pAd@sd119 -e "create database rman default character set utf8;grant all privileges on rman.* to 'rman'@'%' identified by 'rman_password';"
mysql -uroot -pAd@sd119 -e "create database metastore default character set utf8;grant all privileges on metastore.* to 'hive'@'%' identified by 'hive_password'"
mysql -uroot -pAd@sd119 -e "create database sentry default character set utf8;grant all privileges on sentry.* to 'sentry'@'%' identified by 'sentry_password'"
mysql -uroot -pAd@sd119 -e "create database nav default character set utf8;grant all privileges on nav.* to 'nav'@'%' identified by 'nav_password'"
mysql -uroot -pAd@sd119 -e "create database navms default character set utf8;grant all privileges on navms.* to 'navms'@'%' identified by 'navms_password';"
mysql -uroot -pAd@sd119 -e "create database hue default character set utf8;grant all privileges on hue.* to 'hue'@'%' identified by 'hue_password'"
mysql -uroot -pAd@sd119 -e "flush privileges;"

#9)Create this directory on every nodes
mkdir -p /opt/cloudera/parcels
chown cloudera-scm:cloudera-scm /opt/cloudera/parcels


#10)Start Server on cdh01
#############################
cat >/etc/cloudera-scm-server/db.properties <<EOF
com.cloudera.cmf.db.type=mysql
com.cloudera.cmf.db.host=cdh01
com.cloudera.cmf.db.name=scm
com.cloudera.cmf.db.user=scm
com.cloudera.cmf.db.password=scm
com.cloudera.cmf.db.setupType=EXTERNAL
EOF

cd /opt/cloudera/parcel-repo

wget -c http://god.nongdingbang.net/downloads/parcel-repo.tgz
if [ $? -eq 0 ];then 
tar zxvf parcel-repo.tgz
fi

mv parcel-repo/* .  
rm -rf parcel-repo*

/etc/init.d/cloudera-scm-server start
chkconfig cloudera-scm-server on


#11)Start agentd on every nodes
sed -i 's/server_host=localhost/server_host=192.168.51.6/' /etc/cloudera-scm-agent/config.ini
sed -i 's#\# parcel_dir=/opt/cloudera/parcels#parcel_dir=/opt/cloudera/parcels#' /etc/cloudera-scm-agent/config.ini

cat >/etc/cloudera-scm-agent/config.ini<<EOF
server_host=cdh01
server_port=7182
parcel_dir=/opt/cloudera/parcels
EOF

/etc/init.d/cloudera-scm-agent start
chkconfig cloudera-scm-agent on

##12)Browse your cdh
http://192.168.51.6:7180/cmf/login