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## Steps
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Log into `glenn.osc.edu`, then:
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1. [Setup new rails project with passenger](#1-setup-new-rails-project-with-passenger)
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2. [Add hello world view and route](#2-add-hello-world-view-and-route)
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3. [Work around the root directory config defect](#3-work-around-the-root-directory-config-defect)
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### 1. Setup new rails project with passenger
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_Make sure you add the .htaccess file as described at the bottom of this section before accessing the app through https://apps.awesim.org/devapps_
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Log into `glenn.osc.edu`
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Load ruby module and move into awesim_dev directory:
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```
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-bash-3.2$ cd ~/awesim_dev
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-bash-3.2$ module load ruby-2.0.0-p247
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```
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Start a new project to work with passenger (NOTE: the rails1 directory should not be created before running the mv command below or the files will not copy correctly):
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```
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-bash-3.2$ rails new hello --skip-bundle
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```
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Then we want to rename this directory to `rails1` (if `rails1` already exists, move the contents of `hello` to the contents of `rails1` instead):
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```
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-bash-3.2$ mv hello rails1
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-bash-3.2$ cd rails1
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-bash-3.2$ ls
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app bin config config.ru db Gemfile Gemfile.lock lib log public Rakefile README.rdoc test tmp vendor
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```
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Finally `bundle install` to update the `Gemfile.lock` file:
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```
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-bash-3.2$ bundle install --local
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```
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Init git repo:
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```
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-bash-3.2$ git init
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Initialized empty Git repository in /nfs/17/efranz/awesim_dev/rails3/.git/
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-bash-3.2$ git add .
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-bash-3.2$ git commit -m "initial commit"
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```
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If you try to do something like use `rails generate` you will probably see this:
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```
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/usr/local/ruby/2.0.0-p247/lib/ruby/gems/2.0.0/gems/execjs-2.0.2/lib/execjs/runtimes.rb:51:in `autodetect': Could not find a JavaScript runtime.
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```
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For now, use `therubyracer` gem. Later we will offer node.js as a JS runtime environment which will be more robust. Edit the file `Gemfile` and uncomment this line:
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```
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# gem 'therubyracer', platforms: :ruby
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```
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Then bundle install:
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```
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-bash-3.2$ bundle install --local
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Resolving dependencies...
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Using rake (10.1.0)
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Using i18n (0.6.5)
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...
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Using therubyracer (0.12.0)
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Using turbolinks (1.3.0)
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Using uglifier (2.2.1)
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Your bundle is complete!
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Use `bundle show [gemname]` to see where a bundled gem is installed.
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-bash-3.2$ git status
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# On branch master
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# Changes not staged for commit:
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# (use "git add <file>..." to update what will be committed)
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# (use "git checkout -- <file>..." to discard changes in working directory)
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#
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# modified: Gemfile
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# modified: Gemfile.lock
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#
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no changes added to commit (use "git add" and/or "git commit -a")
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-bash-3.2$ git add .
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-bash-3.2$ git commit -m "add ruby racer"
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[master ee001cd] add ruby racer
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2 files changed, 7 insertions(+), 1 deletion(-)
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-bash-3.2$
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```
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#### Add .htaccess file
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Finally, add a .htaccess file to:
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* set development mode on passenger: [[WSGI and Rack apps in development mode]]
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* ensure restarting the passenger app works via `touch tmp/restart.txt`: [[htaccess modification for restarting passenger apps]]
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### 2. Add hello world view and route
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```
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-bash-3.2$ rails g controller pages index
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```
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Now you can access this page via:
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https://websvcs02.osc.edu/awesim_dev/rails1/pages/index
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_* https://websvcs02.osc.edu is not a permanent address - the domain for development PUAs may change in the future_
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### 3. Work around the root directory config defect
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Going here results in an error "Service Temporarily Unavailable":
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* https://websvcs02.osc.edu/awesim_dev/rails1/
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Add namespace to your routes that matches the original name of your app. In our case it was "hello":
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```ruby
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Hello::Application.routes.draw do
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scope 'hello' do
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get "pages/index"
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root 'pages#index'
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end
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end
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```
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Now when you go to /rails1/hello you will get the index page, and root is set to this location. Finally, replace the default public/index.html page with this redirect page:
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```
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<html>
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<head>
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<meta http-equiv="REFRESH" content="0;url=hello/"/>
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<title></title>
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</head>
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<body>
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</body>
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</html>
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```
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Where url is set to the namespace of your app.
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Now when you go to:
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* https://websvcs02.osc.edu/awesim_dev/rails1/
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it auto redirects to the root of your app at
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* https://websvcs02.osc.edu/awesim_dev/rails1/hello
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Which shows the PagesController's index page. This is also currently set in the routes to be accessible via:
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* https://websvcs02.osc.edu/awesim_dev/rails1/hello/pages/index |
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\ No newline at end of file |
