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软件版本：
ansible
zookeeper
kafka下载代码：
$git clone https://github.com/pingcap/thirdparty-ops
安装之前的准备工作：
# yum -y install epel-release ansible curl
...
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
ansible noarch 2.7.7-1.el7 epel 11 M
Updating:
curl x86_64 7.29.0-51.el7 base 269 k
Installing for dependencies:
PyYAML x86_64 3.10-11.el7 base 153 k
libtomcrypt x86_64 1.17-26.el7 extras 224 k
libtommath x86_64 0.42.0-6.el7 extras 36 k
libyaml x86_64 0.1.4-11.el7_0 base 55 k
python-babel noarch 0.9.6-8.el7 base 1.4 M
python-cffi x86_64 1.6.0-5.el7 base 218 k
python-enum34 noarch 1.0.4-1.el7 base 52 k
python-httplib2 noarch 0.9.2-1.el7 extras 115 k
python-idna noarch 2.4-1.el7 base 94 k
python-jinja2 noarch 2.7.2-2.el7 base 515 k
python-keyczar noarch 0.71c-2.el7 epel 218 k
python-markupsafe x86_64 0.11-10.el7 base 25 k
python-paramiko noarch 2.1.1-9.el7 updates 269 k
python-ply noarch 3.4-11.el7 base 123 k
python-pycparser noarch 2.14-1.el7 base 104 k
python-six noarch 1.9.0-2.el7 base 29 k
python2-crypto x86_64 2.6.1-15.el7 extras 477 k
python2-cryptography x86_64 1.7.2-2.el7 base 502 k
python2-jmespath noarch 0.9.0-3.el7 extras 39 k
python2-pyasn1 noarch 0.1.9-7.el7 base 100 k
Updating for dependencies:
libcurl x86_64 7.29.0-51.el7 base 221 k
nspr x86_64 4.19.0-1.el7_5 base 127 k
nss x86_64 3.36.0-7.1.el7_6 updates 835 k
nss-pem x86_64 1.0.3-5.el7 base 74 k
nss-softokn x86_64 3.36.0-5.el7_5 base 315 k
nss-softokn-freebl x86_64 3.36.0-5.el7_5 base 222 k
nss-sysinit x86_64 3.36.0-7.1.el7_6 updates 62 k
nss-tools x86_64 3.36.0-7.1.el7_6 updates 515 k
nss-util x86_64 3.36.0-1.1.el7_6 updates 78 k
Transaction Summary
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...
# ansible --version
ansible 2.7.7
config file = /etc/ansible/ansible.cfg
configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules']
ansible python module location = /usr/lib/python2.7/site-packages/ansible
executable location = /usr/bin/ansible
python version = 2.7.5 (default, Aug 4 2017, 00:39:18) [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)]
# su - tidb
$ git clone https://github.com/pingcap/thirdparty-ops.git
-- 编辑配置文件：
$cd /home/tidb/thirdparty-ops/kafka-ansible
$$ vim inventory.ini
[zookeeper_servers]
zk1 ansible_host=172.16.4.173 deploy_dir=/data/tidb/zk_deploy myid=1
zk2 ansible_host=172.16.4.174 deploy_dir=/data/tidb/zk_deploy myid=2
zk3 ansible_host=172.16.4.175 deploy_dir=/data/tidb/zk_deploy myid=3
# deploy_dir: zookeeper deployment directory
# myid: zookeeper myid, it must be unique and range 1-255
[kafka_servers]
kafka1 ansible_host=172.16.4.173 deploy_dir=/data/tidb/kafka_deploy data_dirs=/data/tidb/kafka_data kafka_port=9092 id=1
kafka2 ansible_host=172.16.4.174 deploy_dir=/data/tidb/kafka_deploy data_dirs=/data/tidb/kafka_data kafka_port=9092 id=2
kafka3 ansible_host=172.16.4.175 deploy_dir=/data/tidb/kafka_deploy data_dirs=/data/tidb/kafka_data kafka_port=9092 id=3
# deploy_dir: Kafka deployment directory
# kafka_port: Kafka port
# data_dirs: Kakfa's data directory
# id: id of the broker, it must be set to a unique integer for each broker
## Global variables
[all:vars]
# ssh via normal user
ansible_user = tidb
# KAFKA_HEAP_OPTS
kafka_heap_size = "3G"
# timezone of deployment region
timezone = Asia/Shanghai
set_timezone = True
enable_ntpd = True
set_hostname = False
enable_firewalld = False
说明：
-- 下载软件：
$ pwd
/home/tidb/thirdparty-ops/kafka-ansible
$ ansible-playbook -i inventory.ini local_prepare.yml
此步骤依赖的软件包： kafka-ansible/roles/packages/packagesfiles
-- 初始化远程主机，设置环境变量：
$ ansible-playbook -i inventory.ini bootstrap.yml
-- 安装部署依赖的包和 zookeeper、kafka：
$ ansible-playbook -i inventory.ini deploy.yml
-- 启动zookeeper和kafka：
$ ansible-playbook -i inventory.ini start.yml
PLAY RECAP *****************************************************************************************
kafka1 : ok=13 changed=1 unreachable=0 failed=0
kafka2 : ok=12 changed=1 unreachable=0 failed=0
kafka3 : ok=12 changed=1 unreachable=0 failed=0
localhost : ok=1 changed=0 unreachable=0 failed=0
zk1 : ok=13 changed=2 unreachable=0 failed=0
zk2 : ok=13 changed=2 unreachable=0 failed=0
zk3 : ok=13 changed=2 unreachable=0 failed=0
--登录到部署的主机查看进程：
# jps
25916 QuorumPeerMain
26653 Jps
26430 Kafka
可以看到有kafka和zookeeper的进程。
-- 关闭zookeeper和kafka：
$ ansible-playbook -i inventory.ini stop.yml
-- zookeeper和kafka扩展：
1.编辑文件：$ vim inventory.ini
2.执行下列几个步骤：
ansible-playbook -i inventory.ini prepare.yml --diff
ansible-playbook -i inventory.ini deploy.yml --diff
ansible-playbook -i inventory.ini start.yml --diff
-- 手动启动管你zookeeper和kafka：
在zk和kafka的主机上执行命令：
cd $deploy_dir/scripts && ./run_zookeeper.sh start|status|stop
cd $deploy_dir/scripts && ./run_kafka.sh start|stop
--生产者和消费者测试：
在中控机上执行：
$cd /home/tidb/thirdparty-ops/kafka-ansible
1.生产者：
tools/kafka-console-consumer -brokers="172.17.8.201:9092,172.17.8.202:9092,172.17.8.203:9092" -topic=test
2.消费者：
tools/kafka-console-producer -brokers="172.17.8.201:9092,172.17.8.202:9092,172.17.8.203:9092" -topic=test -value=world -key=hello
参考：
https://github.com/pingcap/thirdparty-ops/tree/master/kafka-ansible