安装ambari平台

部署机器分布：

master.ambari.com
node01.ambari.com
node02.ambari.com

[all]三台机器安装完成，配置yum源 --ok

[all]配置域名映射

172.28.128.11 master.ambari.com master
172.28.128.12 node01.ambari.com node01
172.28.128.13 node02.ambari.com node02

[all]每个节点关闭DHCP 设置为静态IP --ok

配置SSH免密码登录 --ok

# master:
ssh-keygen
cd ~/.ssh/
cat id_rsa.pub >> authorized_keys
chmod 600 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
# node01
mkdir ~/.ssh/
# node02
mkdir ~/.ssh/
# master
scp /root/.ssh/authorized_keys root@master:/root/.ssh/authorized_keys
scp /root/.ssh/authorized_keys root@node01:/root/.ssh/authorized_keys
scp /root/.ssh/authorized_keys root@node02:/root/.ssh/authorized_keys

[master]免密登录测试 --ok

ssh 172.28.128.11
ssh 172.28.128.12
ssh 172.28.128.13

[master]创建ambari系统用户和用户组
```
adduser ambari
passwd ambari
```

[all]开启NTP服务

yum install ntp -y
systemctl is-enabled ntpd
systemctl enable ntpd
systemctl start ntpd

[all]关闭防火墙

systemctl disable firewalld
systemctl stop firewalld

[all]关闭SELinux

# 查看selinux状态
sestatus
# 临时关闭，不用重启机器：
setenforce 0
# 修改配置文件需要重启机器：
vi /etc/sysconfig/selinux
SELINUX=disabled

[master]制作本地源

yum install httpd -y
firewall-cmd --add-service=http
firewall-cmd --permanent --add-service=http
systemctl start httpd.service
systemctl enable httpd.service
yum install yum-utils createrepo -y

下载如下压缩包

Ambari 2.6.0
http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.6.0.0/ambari-2.6.0.0-centos7.tar.gz
HDP 2.6.3
http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.3.0/HDP-2.6.3.0-centos7-rpm.tar.gz
HDP-UTILS 1.1.0.21
http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.21/repos/centos7/HDP-UTILS-1.1.0.21-centos7.tar.gz

在httpd网站根目录,默认是即/var/www/html/，创建目录ambari，
并且将下载的压缩包解压到/var/www/html/ambari目录

HDP-UTILS需要先建立一个HDP-UTILS文件夹并将HDP-UTILS-1.1.0.21-centos7.tar.gz放到HDP-UTILS目录下再解压

cd /var/www/html/
mkdir ambari
cd /var/www/html/ambari/
wget http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.6.0.0/ambari-2.6.0.0-centos7.tar.gz
wget http://public-repo-1.hortonworks.com/HDP/centos7/2.x/updates/2.6.3.0/HDP-2.6.3.0-centos7-rpm.tar.gz
wget http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.21/repos/centos7/HDP-UTILS-1.1.0.21-centos7.tar.gz
tar -zxvf /opt/install/ambari-2.6.0.0-centos7.tar.gz -C ./
tar -zxvf /opt/install/HDP-2.6.3.0-centos7-rpm.tar.gz -C ./
mkdir HDP-UTILS
cd HDP-UTILS
tar -zxvf /opt/install/HDP-UTILS-1.1.0.21-centos7.tar.gz -C ./

验证httpd网站是否可用，用浏览器直接访问下面的地址，如果能看到目录列表就表示成功：
```
http://172.28.128.11/ambari/
```

配置ambari等本地源

cd /etc/yum.repos.d/
vim ambari.repo
#VERSION_NUMBER=2.6.0.0-267
[ambari-2.6.0.0]
name=ambari Version - ambari-2.6.0.0
baseurl=http://172.28.128.11/ambari/ambari/centos7/2.6.0.0-267
gpgcheck=1
gpgkey=http://172.28.128.11/ambari/ambari/centos7/2.6.0.0-267/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins
enabled=1
priority=1#VERSION_NUMBER=2.6.3.0-235
[HDP-2.6.3.0]
name=HDP Version - HDP-2.6.3.0
baseurl=http://172.28.128.11/ambari/HDP/centos7/2.6.3.0-235
gpgcheck=1
gpgkey=http://172.28.128.11/ambari/HDP/centos7/2.6.3.0-235/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins
enabled=1
priority=1[HDP-UTILS-1.1.0.21]
name=HDP Utils Version - HDP-UTILS-1.1.0.21
baseurl=http://172.28.128.11/ambari/HDP-UTILS
gpgcheck=1
gpgkey=http://172.28.128.11/ambari/HDP-UTILS/RPM-GPG-KEY/RPM-GPG-KEY-Jenkins
enabled=1
priority=1

执行如下命令

yum clean all
yum list update
yum makecache
yum repolist

[master]安装Mysql数据库

yum install mariadb-server -y
systemctl start mariadb
systemctl enable mariadb
#数据库初始化设置
mysql_secure_installation
#首先是设置密码，会提示先输入密码
Enter current password for root (enter for none):<–初次运行直接回车
#设置密码
Set root password? [Y/n] <– 是否设置root用户密码，输入y并回车或直接回车
New password: <– 设置root用户的密码
Re-enter new password: <– 再输入一次你设置的密码
#其他配置
Remove anonymous users? [Y/n] <– 是否删除匿名用户，回车
Disallow root login remotely? [Y/n] <–是否禁止root远程登录,回车,
Remove test database and access to it? [Y/n] <– 是否删除test数据库，回车
Reload privilege tables now? [Y/n] <– 是否重新加载权限表，回车
#初始化MariaDB完成，接下来测试登录，输入密码能正常登陆就完成了
mysql -uroot -p

登录数据库执行如下操作(看是否需要hive和oozie)

mysql -uroot -p
create database ambari character set utf8 ;
CREATE USER 'ambari'@'%'IDENTIFIED BY '123456';
GRANT ALL PRIVILEGES ON *.* TO 'ambari'@'%';
FLUSH PRIVILEGES;
create database hive character set utf8 ;
CREATE USER 'hive'@'%'IDENTIFIED BY '123456';
GRANT ALL PRIVILEGES ON *.* TO 'hive'@'%';
FLUSH PRIVILEGES;
create database oozie character set utf8 ;
CREATE USER 'oozie'@'%'IDENTIFIED BY '123456';
GRANT ALL PRIVILEGES ON *.* TO 'oozie'@'%';
FLUSH PRIVILEGES;

[master]安装mysql jdbc 驱动
```
yum install mysql-connector-java -y
```

[all]安装JDK

# 下载地址：http://www.oracle.com/technetwork/cn/java/javase/downloads/jdk8-downloads-2133151-zhs.html
mkdir /opt/java/
cd /opt/install/
tar -zxvf jdk-8u231-linux-x64.tar.gz -C /opt/java/
vim /etc/profile
export JAVA_HOME=/opt/java/jdk1.8.0_231
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
PATH=$PATH:$HOME/bin:$JAVA_HOME/bin
source /etc/profile
==========================
scp -r java node01:/opt
scp -r java node02:/opt
scp /etc/profile node01:/etc/
scp /etc/profile node02:/etc/

[master]进行安装Ambari

安装Ambari2.6.0
```
yum install ambari-server -y
```

配置Ambari

ambari-server setup
1.检查SELinux是否关闭，如果关闭不用操作Using python  /usr/bin/python
Setup ambari-server
Checking SELinux...
SELinux status is 'disabled'
2.提示是否自定义设置。输入：yCustomize user account for ambari-server daemon [y/n] (n)? y
3.ambari-server 账号。输入：ambariEnter user account for ambari-server daemon (root):ambari
Adjusting ambari-server permissions and ownership...
4.检查防火墙，如果关闭则不用操作Checking firewall status...
Redirecting to /bin/systemctl status  iptables.service
5.设置JDK。输入：3Checking JDK...
Do you want to change Oracle JDK [y/n] (n)? y
[] Oracle JDK 1.8 + Java Cryptography Extension (JCE) Policy Files 8
[] Oracle JDK 1.7 + Java Cryptography Extension (JCE) Policy Files 7
[] Custom JDK
==============================================================================
Enter choice (1): 3
6.如果上面选择3自定义JDK,则需要设置JAVA_HOME。输入：/opt/java/jdk1.8.0_231WARNING: JDK must be installed on all hosts and JAVA_HOME must be valid on all hosts.
WARNING: JCE Policy files are required for configuring Kerberos security. If you plan to use Kerberos,please make sure JCE Unlimited Strength Jurisdiction Policy Files are valid on all hosts.
Path to JAVA_HOME: /opt/java/jdk1.8.0_152
Validating JDK on Ambari Server...done.
Completing setup...
7.数据库配置。选择：yConfiguring database...
Enter advanced database configuration [y/n] (n)? y
8.选择数据库类型。输入：3Configuring database...
==============================================================================
Choose one of the following options:
[1] - PostgreSQL (Embedded)
[2] - Oracle
[3] - MySQL
[4] - PostgreSQL
[5] - Microsoft SQL Server (Tech Preview)
[6] - SQL Anywhere
==============================================================================
Enter choice (3): 3
9.设置数据库的具体配置信息，根据实际情况输入，如果和括号内相同，则可以直接回车。Hostname (localhost):
Port (3306):
Database name (ambari):
Username (ambari):
Enter Database Password (Ambari-123):
10.提示必须安装MySQL JDBC，回车结束ambari配置WARNING: Before starting Ambari Server, you must copy the MySQL JDBC driver JAR file to /usr/share/java.
Press <enter> to continue.

将Ambari数据库脚本导入到数据库

#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;
commit;

执行启动命令，启动Ambari服务
```
ambari-server start
```

成功启动后在浏览器输入Ambari地址：

http://172.28.128.11:8080/
出现登录界面，默认管理员账户登录， 账户：admin 密码：admin

如果有条件，可以在此时创建一个快照，防止后面安装服务有问题

安装主机时，如果报如下错误

SSLError:Failed to connect.Please check openssl library versions.

可以做如下操作

# 禁用ssl检查
vim /etc/python/cert-verification.cfg
[https]
verify=disable
# 修改/etc/ambari-agent/conf/ambari-agent.ini，在[security]添加下面内容
force_https_protocol=PROTOCOL_TLSv1_2

重启ambari平台

service ambari-server restart
ambari-agent restart

如果安装报错，清理安装包参考如下

yum remove -y hadoop_2* hdp-select* ranger_2* zookeeper* bigtop*atlas-metadata* ambari* spark* slide* strom* hive*

安装mysql需要在对应节点上执行如下命令
```
rpm --import RPM-GPG-KEY-mysql
```

最终安装的信息

Admin Name : adminCluster Name : AmbariTotal Hosts : 3 (3 new)Repositories:redhat7 (HDP-2.6):
http://172.28.128.13/ambari/HDP/centos7/2.6.3.0-235
redhat7 (HDP-UTILS-1.1.0.21):
http://172.28.128.13/ambari/HDP-UTILS
Services:HDFS
DataNode : 3 hosts
NameNode : master.ambari.com
NFSGateway : 0 host
SNameNode : node01.ambari.com
YARN + MapReduce2
App Timeline Server : node01.ambari.com
NodeManager : 3 hosts
ResourceManager : node01.ambari.com
Tez
Clients : 3 hosts
Hive
Metastore : node01.ambari.com
HiveServer2 : node01.ambari.com
WebHCat Server : node01.ambari.com
Database : New MySQL Database
HBase
Master : master.ambari.com
RegionServer : 3 hosts
Phoenix Query Server : 0 host
Pig
Clients : 3 hosts
ZooKeeper
Server : 3 hosts
Ambari Infra
Infra Solr Instance : master.ambari.com
Ambari Metrics
Metrics Collector : node02.ambari.com
Grafana : master.ambari.com
Kafka
Broker : master.ambari.com
SmartSense
Activity Analyzer : master.ambari.com
Activity Explorer : master.ambari.com
HST Server : master.ambari.com
Spark
Livy Server : 0 host
History Server : master.ambari.com
Thrift Server : 0 host
Spark2
Livy for Spark2 Server : 0 host
History Server : master.ambari.com
Thrift Server : 3 hosts
Slider
Clients : 3 hosts

安装的时候如果包如下错误，参考解决办法

1、V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
解决： wget https://repo.mysql.com/RPM-GPG-KEY-mysql

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