【问题标题】:Opsworks Java Deploy HooksOpsworks Java 部署挂钩
【发布时间】:2014-11-18 23:04:18
【问题描述】:

我的应用程序目前通过 TeamCity 和 Gradle 混合部署在 AWS Opsworks 中,但我需要利用部署挂钩来执行一些任务,例如 Liquibase 迁移、符号链接等。

看起来我有 Opsworks 识别出正确的 RB 文件存在于部署文件夹中,但是当它运行它们时,我得到了似乎缺少属性的隐式类型转换错误。我尝试将这些手动添加到自定义 JSON 作为一种解决方法,但无济于事。

以下是错误、部署 JSON 和似乎导致问题的参数。我只是想知道如何填写属性值并克服错误。提前致谢。

TypeError
---------
no implicit conversion of nil into String


Cookbook Trace:
---------------
/var/lib/aws/opsworks/cache.stage2/cookbooks/deploy/definitions/opsworks_deploy.rb:154:in `block (3 levels) in from_file'


Resource Declaration:
---------------------
# In /var/lib/aws/opsworks/cache.stage2/cookbooks/deploy/definitions/opsworks_deploy.rb

65:     deploy deploy[:deploy_to] do
66:       provider Chef::Provider::Deploy.const_get(deploy[:chef_provider])
67:       keep_releases deploy[:keep_releases]
68:       repository deploy[:scm][:repository]
69:       user deploy[:user]
70:       group deploy[:group]
71:       revision deploy[:scm][:revision]
72:       migrate deploy[:migrate]
73:       migration_command deploy[:migrate_command]
74:       environment deploy[:environment].to_hash
75:       create_dirs_before_symlink( deploy[:create_dirs_before_symlink] )
76:       symlink_before_migrate( deploy[:symlink_before_migrate] )
77:       action deploy[:action]
78:
79:       if deploy[:application_type] == 'rails' && node[:opsworks][:instance][:layers].include?('rails-app')
80:         restart_command "sleep #{deploy[:sleep_before_restart]} && #{node[:opsworks][:rails_stack][:restart_command]}"
81:       end
82: 

The attribute which seems to be generating the issue:
params {:deploy_data=>{"deploy_to"=>"/srv/www/deploy-name", (tons of skipped params) ..., :name=>nil}

Current JSON under which the error is thrown:
{"deploy": {"deploy-name": {"scm": {"user": "accesskey", "password": "secretkey" }}}}

Adjusted JSON in an attempt to resolve:
{"deploy": {"deploy-name": {"scm": {"user": "accesskey", "password": "secretkey" }}, "name": "deploy-name"}}

【问题讨论】:

    标签: java amazon-web-services aws-opsworks


    【解决方案1】:

    事实证明,在编译行上的属性为 nil 的情况下,使用 nil 进行隐式类型转换具有误导性。

    问题来自部署钩子本身(没有迹象表明部署钩子中有错误代码)。一旦解决了这个问题,就没有更多的问题了。

    【讨论】:

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