ansible安裝tomcat8 最終版
阿新 • • 發佈：2017-05-13
ansible
假如你要在一臺機器安裝多個tomcat或者安裝多臺tomcat，你可以選擇
假設現在tomcat有三個，分別為cxx,wxx,sxx
多建立對應的yml文件，一個項目一個
copy.yml,install.yml,delete.yml 分別一個
我選擇第二種方法，變量可以定義在一個文件中
借用ansible生成動態的hosts優勢
#!/usr/bin/python
# coding:utf-8
import sqlite3
import sys
try:
import json
except ImportError:
import simplejson as json
def grouplist():
inventory = {}
inventory[‘local‘] = [‘127.0.0.1‘]
sfile=‘/etc/ansible/books.txt‘
with open(sfile,‘rb‘) as f:
for i in f.readlines():
group=i.strip().split()[0]
name=i.strip().split()[1]
if not group in inventory:
inventory[group] = {
‘hosts‘: []
}
inventory[group][‘hosts‘].append(name)
print json.dumps(inventory, indent=4)
def hostinfo(name):
vars = {}
vars = {
‘admin‘: ‘Jane Jolie‘,
‘datacenter‘: 1
}
print json.dumps(vars, indent=4)
if __name__ == ‘__main__‘:
if len(sys.argv) == 2 and (sys.argv[1] == ‘--list‘):
grouplist()
elif len(sys.argv) == 3 and (sys.argv[1] == ‘--host‘):
hostinfo(sys.argv[2])
else:
print "Usage: %s --list or --host <hostname>" % sys.argv[0]
sys.exit(1)這個配置文件，指明端口和分組。cxx就是分組，後面的端口，你懂的。
cat books.txt cxx 192.168.1.3 sc_tomcat 8005 8080 wxx 192.168.1.3 sc_tomcat 8006 8081 sxx 192.168.1.3 sc_tomcat 8007 8082
先來說ansible部分吧
目錄結構
[[email protected] roles]# tree
.
├── copy
│ ├── default
│ ├── files
│ │ └── ROOT
│ │ └── test.html
│ ├── meta
│ │ └── test
│ │ └── test.html
│ └── tasks
│ ├── copy.yml
│ ├── delete.yml
│ ├── install.yml
│ ├── main.bak
│ ├── main.yml
│ ├── main.yml.v1
│ └── main.yml.v2
├── delete
│ ├── default
│ ├── files
│ │ └── ROOT
│ │ └── test.html
│ ├── handlers
│ │ └── main.yml
│ ├── meta
│ │ └── test
│ │ └── test.html
│ ├── tasks
│ │ ├── copy.yml
│ │ ├── delete.yml
│ │ ├── install.yml
│ │ ├── main.bak
│ │ ├── main.yml
│ │ ├── main.yml.v1
│ │ └── main.yml.v2
│ ├── templates
│ │ ├── server.xml
│ │ └── tomcat.sh
│ └── vars
│ └── main.yml
└── install
├── default
├── files
│ └── ROOT
│ └── test.html
├── handlers
│ └── main.yml
├── meta
│ └── test
│ └── test.html
├── tasks
│ ├── copy.yml
│ ├── delete.yml
│ ├── install.yml
│ ├── main.bak
│ ├── main.yml
│ ├── main.yml.v1
│ └── main.yml.v2
├── templates
│ ├── server.xml
│ └── tomcat.sh
└── vars
└── main.yml對比以前的變化是
cd /etc/ansible/tomcat/roles
install中的install.yml 文件改變了
cd /etc/ansible/tomcat/roles/install/tasks
[[email protected] tasks]# cat install.yml
- name: pro
file: path=/opt/apps/{{cxx_pro_dir}} state=directory
- name: tar
shell: chdir=/opt/ea rm -rf {{cxx_dir}} && cp -r tomcat {{cxx_dir}}
- name: copy server.xml
template: src=server.xml dest=/opt/ea/{{cxx_dir}}/conf/ force=yes mode=0644
- name: rm webapps
file: dest=/opt/ea/{{cxx_dir}}/webapps/ state=absent
- name: copy tomcat.sh
copy: src=/opt/src/tomcat.sh dest=/opt/ea/{{cxx_pro_dir}}.sh owner=tomcat group=tomcat
- name: modify tomcat.sh
shell: chdir=/opt/ea sed -i ‘s%/ea/tomcat%/ea/{{cxx_dir}}%g‘ {{cxx_pro_dir}}.sh
- name: modify
file: path=/opt/ea/{{cxx_dir}}/ owner=tomcat group=tomcat mode=0755
- name: chown
file: path=/opt/ea/{{cxx_dir}}/ state=directory recurse=yes owner=tomcat group=tomcat
- name: 首次啟動tomcat
shell: cd /opt/ea && source /etc/profile && sudo -i -u tomcat nohup sh {{cxx_pro_dir}}.sh start &
- name: copy test
copy: src=/etc/ansible/tomcat/roles/install/meta/test dest=/opt/apps/{{cxx_pro_dir}}/cd /etc/ansible/tomcat/roles/install/vars 變量文件有大改變
說明cxx_pro_dir 也可以指明wxx_pro_dir,你可以把它當做變量，上面的install.yml引用這個變量而已。
[[email protected] vars]# cat main.yml
cxx_pro_dir: "{{ cxx_pro_dir }}"
cxx_dir: "{{ cxx_dir }}"
cxx_port1: "{{ cxx_port1 }}"
cxx_port2: "{{ cxx_port2 }}"ansible部分完結。
因為有好多主機，不想手動書寫ansible執行文件，可以用python腳本自動生成
主要想自動生成這樣的腳本
ansible-playbook -i /etc/ansible/test.py copy.yml --extra-vars "host=192.168.1.3"
ansible-playbook -i /etc/ansible/test.py install.yml --extra-vars "host=192.168.1.3 cxx_pro_dir=cxx cxx_dir=cxx_tomcat cxx_port1=8005 cxx_port2=8080"
以下python腳本，讀取生成的
聲明 什麽cxx都是變量，你可以隨便取名字
# !/usr/bin/env python
# coding:utf-8
#import sqlite3
import sys
try:
import json
except ImportError:
import simplejson as json
dfile=‘/etc/ansible/ansible.sh‘‘‘
cxx 172.29.12.196 sc_tomcat 8005 8080
‘‘‘
def ansiblec(host,cxx_pro_dir=None,cxx_dir=None,cxx_port1=None,cxx_port2=None):
if cxx_port1==None:
stringa = ‘ansible-playbook -i /etc/ansible/test.py copy.yml --extra-vars "host=%s"‘ %(host)
return stringa
else:
stringb = ‘ansible-playbook -i /etc/ansible/test.py install.yml --extra-vars "host=%s cxx_pro_dir=%s cxx_dir=%s cxx_port1=%s cxx_port2=%s"‘ %(host,cxx_pro_dir,cxx_dir,cxx_port1,cxx_port2)
return stringb
def grouplist():
inventory = {}
sfile = ‘/etc/ansible/books.txt‘
with open(sfile, ‘rb‘) as f:
iplist=[]
glist=[]
for i in f.readlines():
group = i.strip().split()[0]
grouptomcat=group+"_"+"tomcat"
name = i.strip().split()[1]
cxx_port1=i.strip().split()[3]
cxx_port2=i.strip().split()[4]
iplist.append(ansiblec(name))
glist.append(ansiblec(name,group,grouptomcat,cxx_port1,cxx_port2))
# if not group in inventory:
# inventory[group] = {
# ‘hosts‘: []
# }
# inventory[group][‘hosts‘].append(name)
# for ip in inventory.iteritems():
# ipt= ip[1][‘hosts‘][0]
ipset=set(iplist)
gset=set(glist)
# print json.dumps(inventory, indent=4)
with open(dfile,‘wb‘) as f1:
for i in ipset:
line = str(i) + "\n"
f1.write(line)
for i in gset:
line = str(i) + "\n"
f1.write(line)
f1.close()
def hostinfo(name):
vars = {}
vars = {
‘admin‘: ‘Jane Jolie‘,
‘datacenter‘: 1
}
print json.dumps(vars, indent=4)
if __name__ == ‘__main__‘:
grouplist()直接執行這個腳本後，自動生成
/etc/ansible/ansible.sh
裏面包含就是
ansible-playbook -i /etc/ansible/test.py copy.yml --extra-vars "host=192.168.1.3"
ansible-playbook -i /etc/ansible/test.py install.yml --extra-vars "host=192.168.1.3 cxx_pro_dir=cxx cxx_dir=cxx_tomcat cxx_port1=8005 cxx_port2=8080"
這樣，通過兩個python腳本，只需要一個配置文件，寫明端口和應用名稱，自動生成創建腳本。
剩余沒有解決的問題
1.root權限，ansible最好不要用root權限
2.context.xml沒有加入到模板裏面去,主要做集群，可以自己添加
3.lib包，比如集群包沒有，主要做session共享的集群包
4.沒有自動啟動腳本，這個需要寫下tomcat的啟動腳本
這是自己個人的想法，比以前快點。
本文出自 “python 運維” 博客，謝絕轉載！
ansible安裝tomcat8 最終版