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给基于bosh安装的cloudfoundry添加python支持

 2013/6/19 11:15:58  南京老油条  程序员俱乐部  我要评论(0)
  • 摘要:前言:最近由于项目需要,建立了一个基于cloudfoundry的PaaS云,由于基于bosh安装的cloudfoundry官方代码中未提供对python的支持,所以就必须自己实现了,也就有了本文,至于使用Django的用户,请参照添加python的方法添加Django,不赘述.1.在blobstore中添加python的安装包这里,我选择了建立一个本地的simple_blobstore_proxy.code:https://github
  • 标签:安装 Python

前言:

????? 最近由于项目需要,建立了一个基于cloudfoundry的PaaS云,由于基于bosh安装的cloudfoundry官方代码中未提供对python的支持,所以就必须自己实现了,也就有了本文, 至于使用Django的用户,请参照添加python的方法添加Django,不赘述.


? 1.在blobstore中添加python的安装包

????? 这里,我选择了建立一个本地的simple_blobstore_proxy.
????? code: https://github.com/cloudfoundry/bosh/tree/master/simple_blobstore_server
???? 启动simple_blobstore_proxy:

class="shell">bundle install
bundle exec ./bin/simple_blobstore_server

? ? ?向本地blobstore中添加python的安装包,执行以下脚本以完成添加

require 'base64'
require 'httpclient'
require 'multi_json'
require "atmos"
require "uri"

file_path = '/Users/leon/cf-release/final_builds/packages/python/1/python/python-2.7.4.tgz' #修改成你的文件path

SHARE_URL_EXP = '1893484800'
@atmos_options = {:unsupported => true}
@atmos_options[:uid] = 'bb6a0c89ef4048a8a0f814e25385d1c5/user1'
@atmos_options[:url] = 'http://10.0.0.211:9999'
@atmos_options[:secret] = 'secret'
@endpoint = 'http://10.0.0.211:9999'
@bucket = ''
@client = HTTPClient.new
@bucket = @options && @options[:bucket] || "resources"
@headers = {}
user = 'admin'
password = 'admin'

if user && password
  @headers["Authorization"] = "Basic " + Base64.encode64("#{user}:#{password}").strip
end

def url(id=nil)
  ["#{@endpoint}/#{@bucket}", id].compact.join("/")
end

def create_file(id, file)
  @client.post(url(id), {:content => file}, @headers).content
end

def encode_object_id(object_id)
  hash_string = "GET\n/rest/objects/#{object_id}\n#{@atmos_options[:uid]}\n#{SHARE_URL_EXP}"
  secret = Base64.decode64(@atmos_options[:secret])
  sig = HMAC::SHA1.digest(secret, hash_string)
  signature = Base64.encode64(sig.to_s).chomp
  json = MultiJson.encode({:oid => object_id, :sig => signature})
  URI::escape(Base64.encode64(json))
end

file = File.open(file_path,'r:utf-8')
oid = create_file(nil, file)

puts  oid
puts  Digest::SHA1.file(file_path).hexdigest
puts  file.size

?

2.修改本地cf的final.yml使用本地blobstore

---
final_name: appcloud
min_cli_version: 1.0.3
blobstore:
  provider: simple
  options:
    endpoint: http://10.0.0.201:9999  #这里填写simple_blobstore_server的IP
blobstore_options: deprecated

?? ? 创建private.yml???

---
blobstore:
  simple:
    user: admin
    password: admin

? blob.yml中添加

python/python-2.7.4.tgz:
  object_id: f6ffff96-a78a-4bd2-b86d-45b7e28e73e0
  sha: 2283858b832fc391b8e96bb600e0b39e52ae97bd
  size: 14489063

cloud_controller中添加python
? ?cf-release/jobs/cloud_controller/templates/runtimes.yml

---
python27:
  description: Python 2.7.4
  version: "2.7.4"
  executable: /var/vcap/packages/dea_python27/bin/python2.7
  staging: /var/vcap/packages/ruby/bin/ruby stage
  version_output: 2.7.4
  version_flag: "python -c 'import platform; print platform.python_version()'"
  environment:
    PATH: /var/vcap/packages/ruby/bin:/var/vcap/packages/dea_python27/bin:/var/vcap/packages/imagemagick/bin:$PATH
    LD_LIBRARY_PATH: '/var/vcap/packages/mysqlclient/lib/mysql:/var/vcap/packages/sqlite/lib:/var/vcap/packages/libpq/lib:/var/vcap/packages/imagemagick/lib:$LD_LIBRARY_PATH'
  status:
    name: current
  series: python27
  category: python

??cf-release/jobs/cloud_controller/spec

- dea_python27

?? cf-release/jobs/dea/spec

- dea_python27

? ?cf-release/packages中添加dea_python27目录
????? dea_python27目录中创建文件packaging , spec???
??? packaging

# abort script on any command that exit with a non zero value
set -e

tar xzf python/python-2.7.4.tgz
(
  cd Python-2.7.4
  ./configure --prefix=${BOSH_INSTALL_TARGET} 
  make
  make install
)

? ? spec

---
name: dea_python27
dependencies:
files:
- python/python-2.7.4.tgz

?
修改src
?????? cf-release/src/dea/config/dea.yml中添加???

python27:
    executable: /var/vcap/packages/dea_python27/bin/python2.7#python
    version: 2.7.4
    version_flag: "python -c 'import platform; print platform.python_version()'"
environment:

?4.创建修改后的release,上传,部署

bosh create release –force
bosh upload release dev_releases/envcloud-131.1.yml
bosh deployment new-cf.yml
bosh deploy

?

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