[英]AWS Opsworks using “environment_variables” on Deploy recipes
我想使用某个应用程序的environment_variables设置一些属性,但是我的实例在安装时仍然失败,请阅读文档( http://docs.aws.amazon.com/opsworks/latest/userguide/workingcookbook-events.html )我找到了这个:
"Setup includes Deploy; it runs the Deploy recipes after setup is complete.".
这是我的Deploy脚本的一部分
if node['deploy']['ws']['application'] && node['deploy']['ws']['environment_variables']['is_root_app'] == 'true'
web_app node['deploy']['ws']['application'] do
server_name node['fqdn']
server_aliases node['deploy']['ws']['domains']
template 'web_app.conf.erb'
docroot node.default['apache']['docroot_dir']
ssl_enabled node['deploy']['ws']['ssl_support']
enable true
end
end
这是安装程序日志
NoMethodError
-------------
undefined method `[]' for nil:NilClass
Cookbook Trace:
---------------
/var/chef/runs/254b8caa-cd70-4525-a2fd-71044afdf62d/local-mode-cache/cache/cookbooks/WebService/recipes/deploy_app.rb:8:in `from_file'
Relevant File Content:
----------------------
/var/chef/runs/254b8caa-cd70-4525-a2fd-71044afdf62d/local-mode-cache/cache/cookbooks/WebService/recipes/deploy_app.rb:
1: #
2: # Cookbook Name:: WebService
3: # Recipe:: default
4: #
5: # Copyright (c) 2016 The Authors, All Rights Reserved.
6:
7:
8>> if node['deploy']['ws']['application'] && node['deploy']['ws']['environment_variables']['is_root_app'] == 'true'
9: web_app node['deploy']['ws']['application'] do
10: server_name node['fqdn']
11: server_aliases node['deploy']['ws']['domains']
12: template 'web_app.conf.erb'
13: docroot node.default['apache']['docroot_dir']
14: ssl_enabled node['deploy']['ws']['ssl_support']
15: enable true
16: end
17: else
如果我尚未部署任何应用程序,则在安装后运行部署配方的目的是什么??? 如果未在“部署”配方上使用,则可以在哪里使用environment_variables ???
想象一下,您已经完成所有设置,而您只是启动了一台新机器。 它将运行安装程序,配置然后部署,否则您将得到一个尚未准备就绪的实例。
尝试访问未设置的属性时部署失败
您可以使用http://ruby-doc.org/core-1.9.3/Hash.html#method-i-has_key-3F进行检查
例如
if node[:deploy].has_key?("ws")
end
与您的环境变量相同
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