Ambari HDP集群搭建文档

一、配置主机和节点机器之间SSH无密登录

多台外网服务器配置时，需要在/etc/hosts中把本机的IP地址设置为内网IP地址

http://2d67df38.wiz02.com/share/s/0JpZYU2X7kl626aE730Q_Flq3daBjm08rAnl2oLpli2uMOfo

二、为每台主机关闭iptables,SELinux,启动ntpd服务

三、安装Mysql,JDK

查看linux发行版本

cat /etc/redhat-release

从网站http://dev.mysql.com/downloads/repo/yum/下载对应版本yum资源

安装

yum -y install mysql57-community-release-el7-7.noarch.rpm

安装mysql数据库的服务器版本

yum -y install mysql-community-server

启动数据库

service mysqld start

systemctl start mysqld.service

获取初始密码

#######从mysql进程日志中获取root用户的初始密码：ra%yk7urCBIh

[root@typecodes ~]# grep "password" /var/log/mysqld.log

修改root用户密码

mysql -u root -p

ALTER USER 'root'@'localhost' IDENTIFIED BY 'new password';

这个其实与validate_password_policy的值有关。

validate_password_policy有以下取值：

Policy	Tests Performed
`0` or `LOW`	Length
`1` or `MEDIUM`	Length; numeric, lowercase/uppercase, and special characters
`2` or `STRONG`	Length; numeric, lowercase/uppercase, and special characters; dictionary file

首先，修改validate_password_policy参数的值

set global validate_password_policy=0;

这样，判断密码的标准就基于密码的长度了。这个由validate_password_length参数来决定。

validate_password_length参数默认为8

set global validate_password_length=4;

安装JDK，配置环境变量

export JAVA_HOME=/usr/local/jdk1.8.0

export JRE_HOME=${JAVA_HOME}/jre

export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib

export PATH=${JAVA_HOME}/bin:$PATH

使环境变量立即生效

source ~/.bash_profile

四、集群服务器间配置时间同步

http://2d67df38.fromwiz.com/share/s/0JpZYU2X7kl626aE730Q_Flq2OyZYU3BDQcP2rnK4F3zASlT

五、安装Ambari

wget -P /etc/yum.repos.d/ http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.0.1/ambari.repo

wget -P /etc/yum.repos.d/ http://public-repo-1.hortonworks.com/ambari/centos6/2.x/updates/2.2.2.0/ambari.repo

yum clean all

yum list|grep ambari

yum安装ambari服务端

yum install ambari-server

安装完后进行设置

ambari-server setup

Ambari HDP集群搭建文档

到这一步需要安装mysql jar包

yum install mysql-connector-java*

启动服务

Ambari HDP集群搭建文档

报错：

解决方法：

grant all privileges on *.* to ambari@'localhost' identified by 'bigdata';

flush privileges;

重新启动，报错：

创建数据库

create database ambari character set utf8;

重新启动，报错：

如果使用自己定义的数据库，必须在启动Ambari服务之前导入Ambari的sql脚本

用Ambari用户（上面设置的用户）登录mysql

mysql -u ambari -p

use ambari

source /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql

启动成功

日志无报错

打开 http://localhost:8080

admin/admin

Ambari HDP集群搭建文档

登录系统操作后发现还是报错：

21 Feb 2017 19:15:29,519 WARN [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] StatementUtils:48 - Statement close FAILED.

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OPTION SQL_SELECT_LIMIT=DEFAULT' at line 1

原因：Ambari默认的 mysql jdbc 驱动不支持 5.6以上版本

解决方法：下载新的 mysql jdbc驱动

ln -s mysql-connector-java-5.1.40-bin.jar mysql-connector-java.jar

ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/share/java/mysql-connector-java.jar

配置主机时报错

Permanently added 'node1.hadoop' (ECDSA) to the list of known hosts

解决方法

在 master主机用户根目录的.ssh/ssh_config 文件中新增一行

UserKnownHostsFile ~/.ssh/known_hosts

继续报错

解决方法：

修改主机名

vi /etc/sysconfig/network

vim /etc/hosts

hostname master.hadoop

或者直接 hostnamectl set-hostname 新主机名

Ambari HDP集群搭建文档

注意HOST名字要写全名

node2节点报错：

ERROR: Bootstrap of host node2.hadoop fails because previous action finished with non-zero exit code (255)

ERROR MESSAGE: tcgetattr: Invalid argument

Connection to node2.hadoop closed.

STDOUT: tput: unknown terminal "unknown"

('', None)

('', None)

登录到node2上手动启动agent

wget -nv http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.2.1.0/ambari.repo -O /etc/yum.repos.d/ambari.repo

yum repolist

yum install ambari-agent

vi /etc/ambari-agent/conf/ambari-agent.ini

[server]

hostname=<your.ambari.server.hostname>

url_port=8440

secured_url_port=8441

ambari-agent start

看后台日志，报错

Ambari HDP集群搭建文档

解决方案：

pip install flask -i http://pypi.douban.com/simple --trusted-host pypi.douban.com

删除所有ambari* from /usr/lib/python2.6/site-packages，重新安装ambari-agent,杀死ambari进程，重新启动

rm -f /usr/lib/python2.6/site-packages/ambari_commons
rm -rf /usr/lib/python2.6/site-packages/resource_management
rm -rf /usr/lib/python2.6/site-packages/ambari_jinja2
rm -rf /var/lib/ambari-agent/
rm -rf /usr/lib/ambari-agent/
yum remove ambari-agent

yum install ambari-agent

后面又报错：

Error: Cannot retrieve repository metadata (repomd.xml) for repository: HDP-2.3. Please verify its path and try again

解决方法1：

（此方法未验证）

Resolved: The problem was related to proxy Authentication. So, I installed and configured CNTLM to access ISA Proxy Server on Centos 6.

Look at the article :

http://wingloon.com/2014/04/11/how-to-install-and-configure-cntlm-to-access-isa-server-on-centos-6-5/

1.Install and configure cntlm

2. configure yum to use through ISA Proxy

vi /etc/yum.conf

add a line:

proxy=http://127.0.0.1:3128/

vi .bash_profile

add :

export http_proxy=http://localhost:3128/

export https_proxy=${http_proxy}

export ftp_proxy=${http_proxy}

logoff root and login again
yum clean all
yum install XXXX

yum update, yum repolist or yum install now works fine

来源： https://community.hortonworks.com/questions/15506/error-cannot-retrieve-repository-metadata-repomdxm.html

解决方法2：

在对应报错服务器上的HDP.repo文件中添加一行 proxy = _none_

I have fixed it myself. For those who might face the same issue. This is what I did. Basically HDP.repo should be told to skip proxy server, but if you edit HDP.repo, Ambari wizard will overwrite it. So what is the workaround?. This is how you make HDP.repo skip the proxy. Just add the following lines to the yum.conf file for all the nodes. It worked for me. Hope this helps! :)

[HDP-2.4]

name=HDP-2.4

proxy = _none_

baseurl=http://item-70288/hdp/HDP/centos6/2.x/updates/2.4.0.0

enabled=1

gpgcheck=0

来源： https://community.hortonworks.com/questions/26872/forbidden-403-error-on-hdp-24-installation.html

继续安装，报错：