最终版本

cat books.txt

a  172.1 . 1.211  ceshi  8015  8089  a

a  172.1 . 1.210  ceshi  8015  8089  a

b  172.1 . 1.210  ceshi  8015  8089  b

 

python nginx.py

#!/usr/bin/env python

# -*- coding: utf-8 -*-

import  ConfigParser

import  string, os, sys

 

def  ynameconf():

     sfile  =  'books.txt'

     inventory  =  {}

     with  open (sfile,  'rb' ) as f:

         for  i  in  f.readlines():

             ip  =  i.strip().split()[ 1 ]

             yname  =  i.strip().split()[ 5 ]   # 域名

             if  not  yname  in  inventory:

                 inventory[yname]  =  []

             port =  i.strip().split()[ 4 ]

             ipport = ip + ":" + port

             inventory[yname].append(ipport)

     return  inventory

 

def  ynameParser():

     cf  =  ConfigParser.ConfigParser()

     ynameyname = ynameconf()

     print  ynameyname

     for  k,v  in  ynameyname.iteritems():

         general = k

         cf.add_section(general)

         cf. set (general,  "pro_dir" , k)

         for  i  in  range ( len (v)):

             ips = "ip" + str (i + 1 )

             cf. set (general,ips, v[i])

         # cf.set(k, ','.join(v))

         cf.write( open ( "vhost.fact" ,  "w" ))

 

ynameP = ynameParser()

 

cat  / etc / foo.txt

{ 'a' : [ '172.1.1.211:8089' ,  '172.1.1.210:8089' ],  'b' : [ '172.1.1.210:8089' ]}

 

-  hosts: ot5

   remote_user: root

   gather_facts: no

   vars :

     ipall: { 'api' :[ '172.1.1.2' ], 'api3' :[ '172.29.1.1' ]}

   -  name: get

     set_fact: 

       iplist:  "{{ lookup('file', '/etc/foo.txt') }}"

   tasks:

   -  name: copy

     template: dest = / tmp / `item`.`key`.conf src = / etc / ansible / named.conf.j2

     with_dict: iplist

 

 

 

. / set

upstream {{ item.key }} {

     { %  for  key  in  item.value   % }

     {{ key }} weight = 1 ;

     { %  endfor  % }

      

     check interval = 2000  rise = 2  fall = 2  timeout = 1000  type = http;

     check_http_send  "GET /  HTTP/1.0\r\n\r\n" ;

     check_http_expect_alive http_2xx http_3xx;

}

 

- - -

 

. / conf

server {

         listen   80 ;

         server_name     `item`.`key`.com;

        location  /  {

       proxy_next_upstream http_500 http_502 http_503 http_504 error timeout invalid_header;

       proxy_pass http: / / `item`.`key`;

}

}

<span style = "text-decoration:line-through;" > 1. 首先在ansible上形成vhost.fact<br>cat books.txt<br>w ip1 dev  8021  8688  api<br>w ip2 dev  8021  8688  api<br><br>w是tomcat应用名称，api是域名名称<br><br><br>nginx.py<br> #!/usr/bin/env python<br># -*- coding: utf-8 -*-<br>import ConfigParser<br>import string, os, sys<br><br>def ynameconf():<br>    sfile = 'books.txt'<br>    inventory = {}<br>    with open(sfile, 'rb') as f:<br>        for i in f.readlines():<br>            ip = i.strip().split()[1]<br>            yname = i.strip().split()[5]  # 域名<br>            if not yname in inventory:<br>                inventory[yname] = []<br>            inventory[yname].append(ip)<br>    return inventory<br><br>def ynameParser():<br>    cf = ConfigParser.ConfigParser()<br>    ynameyname=ynameconf()<br>    for k,v in ynameyname.iteritems():<br>        cf.add_section('general')<br>        cf.set("general", "pro_dir", k)<br>        cf.set("general", "ip1", v[0])<br>        cf.set("general", "ip2", v[1])<br>        # cf.set(k, ','.join(v))<br>        cf.write(open("vhost.fact", "w"))<br><br>ynameP=ynameParser()<br><br>生成的vhost.fact的样子<br>[general]<br>pro_dir = api<br>ip1 = ip1<br>ip2 = ip2<br><br>还有很多问题<br>1.假如有三台以上机器怎么处理<br>2.多个域名怎么同时处理，搞到我想到了协程<br><br>2.写yml文件，就几行<br><br>mkdir -p /etc/ansible/nginx<br><br>├── hosts<br>├── roles<br>│   └── vhost<br>│       ├── default<br>│       ├── files<br>│       ├── handlers<br>│       │   └── main.yml<br>│       ├── meta<br>│       ├── tasks<br>│       │   ├── install.yml<br>│       │   └── main.yml<br>│       ├── templates<br>│       │   ├── set.conf<br>│       │   └── vhost.conf<br>│       └── vars<br>└── vhost.yml<br><br>主要tasks/install.yml<br>- name: mkdir<br>  shell: mkdir -p /etc/ansible/facts.d<br>- name: copy vhost.fact<br>  copy: src=/etc/ansible/vhost.fact dest=/etc/ansible/facts.d/vhost.fact <br>- name: flush<br>  setup: <br>- name: copy<br>  template: src=set.conf dest=/usr/local/tengine/conf/SET/{{ ansible_local.vhost.general.pro_dir }}.conf<br>- name: copy<br>  template: src=vhost.conf dest=/usr/local/tengine/conf/conf.d/{{ ansible_local.vhost.general.pro_dir }}.conf<br><br>3.手动执行命令<br>#nginx域名渲染<br>cd /etc/ansible && python nginx.py<br>cd /etc/ansible/nginx/<br>#'host=nginx' 这个是nginx服务器名称<br>ansible-playbook -i /etc/ansible/hosts vhost.yml --extra-vars 'host=nginx'<br>ansible -i /etc/ansible/hosts nginx -m shell -a '/usr/local/tengine/sbin/nginx -c /usr/local/tengine/conf/nginx.conf -t' <br>ansible -i /etc/ansible/hosts nginx -m shell -a '/usr/local/tengine/sbin/nginx -c /usr/local/tengine/conf/nginx.conf -s reload'<br><br>达到的效果，利用ansible使两台机器立刻部署完tomcat后，然后加入到nginx中。<br>土。<br></span>

<span style = "text-decoration:line-through;" >[root@localhost ansible] # cat test3.yml<br>- hosts: ot3<br>  remote_user: root<br>  gather_facts: no<br>  vars:<br>    ip: ['172.1.1.2']<br>  tasks:<br>  - name: get<br>    set_fact: <br>      iplist: "{{ lookup('file', '/etc/foo.txt') }}"<br>  - name: oup put the myjson of first<br>    debug: var="{{ iplist }}"<br>  - name: copy<br>    template: dest=/tmp/named.conf src=/etc/ansible/named.conf.j2<br></span>

<span style = "text-decoration:line-through;" > - - - <br> -  hosts: localhost<br>  gather_facts: false<br>   vars :<br>    users:<br>       -  name: paul<br>        uid:  1 <br>        hosts:<br>           -  host: apple<br>           -  host: berry<br>       -  name: pete<br>        uid:  2 <br>        hosts:<br>           -  host: banana<br>           -  host: pear<br>           -  host: kiwi<br>  tasks:<br>     -  set_fact:<br>      args:<br>        userslist:<br>          name:  '{{ item.0.name }}' <br>          uid:   '{{ item.0.uid }}' <br>          host:  '{{ item.1.host }}' <br>      with_subelements: <br>         -  users<br>         -  hosts<br>        <br>        <br>        <br>The original result  for  the  set  fact would be<br>     "userslist" : {<br>         "host" :  "kiwi" , <br>         "name" :  "pete" , <br>         "uid" :  "2" <br>    }<br>With this patch, one gets:<br>     "userslist" : [<br>        {<br>             "host" :  "apple" , <br>             "name" :  "paul" , <br>             "uid" :  "1" <br>        }, <br>        {<br>             "host" :  "berry" , <br>             "name" :  "paul" , <br>             "uid" :  "1" <br>        }, <br>        {<br>             "host" :  "banana" , <br>             "name" :  "pete" , <br>             "uid" :  "2" <br>        }, <br>        {<br>             "host" :  "pear" , <br>             "name" :  "pete" , <br>             "uid" :  "2" <br>        }, <br>        {<br>             "host" :  "kiwi" , <br>             "name" :  "pete" , <br>             "uid" :  "2" <br>        }<br>    ]<br>    <br> https: / / github.com / ansible / ansible / pull / 8019 <br>< / span>