Rails 5.2 Generate Master Key

1. Rails 5.2 Generate Master Key Lock
2. Rails 5.2 Generate Master Key Code
3. Rails 5.2 Generate Master Key Download
4. Rails Generate Controller
5. Rails 5.2 Generate Master Key West
6. Rails 5.2 Generate Master Key Code

May 17, 2018  This key file is created for you when you scaffold your new Rails 5.2 app using the rails new. $ travis encrypt RAILSMASTERKEY=`cat config/master.key` -add env.

If your master.key has been compromised, you might want to regenerate it.

No key regeneration feature at the moment.We have to do it manually.

1. Copy content of original credentials rails credentials:show somewhere temporarily.
2. Remove config/master.key and config/credentials.yml.enc
3. Run EDITOR=vim rails credentials:edit in the terminal: This command will create a new master.key and credentials.yml.enc if they do not exist.
4. Paste the original credentials you copied (step 1) in the new credentials file (and save + quit vim)
5. Add and Commit the file config/credentials.yml.enc

Important

• Make sure config/master.key is listed in .gitignore and NOT tracked by git.
• The command EDITOR=vim rails credentials:edit might not work if you require credential value in some file (initializers or database.yml).I had the problem with devise.rb. I just uncommented the line secret_key = . just the time to run the command to regenerate the credentials file, and then commented the line out again.
• If you want to use Sublime to edit the credentials, you can replace the command EDITOR=vim rails credentials:edit by EDITOR='/Applications/Sublime Text.app/Contents/SharedSupport/bin/subl -w' rails credentials:edit

source: https://blog.eq8.eu/til/rails-52-credentials-tricks.html

1 Upgrading to Rails 5.1

If you're upgrading an existing application, it's a great idea to have good testcoverage before going in. You should also first upgrade to Rails 5.0 in case youhaven't and make sure your application still runs as expected before attemptingan update to Rails 5.1. A list of things to watch out for when upgrading isavailable in theUpgrading Ruby on Railsguide.

2 Major Features

2.1 Yarn Support

Restore grub after installing windows 10. Rails 5.1 allows managing JavaScript dependenciesfrom NPM via Yarn. This will make it easy to use libraries like React, VueJSor any other library from NPM world. The Yarn support is integrated withthe asset pipeline so that all dependencies will work seamlessly with theRails 5.1 app.

2.2 Optional Webpack support

Rails apps can integrate with Webpack, a JavaScriptasset bundler, more easily using the new Webpackergem. Use the --webpack flag when generating new applications to enable Webpackintegration.

This is fully compatible with the asset pipeline, which you can continue to use forimages, fonts, sounds, and other assets. You can even have some JavaScript codemanaged by the asset pipeline, and other code processed via Webpack. All of this is managedby Yarn, which is enabled by default.

2.3 jQuery no longer a default dependency

jQuery was required by default in earlier versions of Rails to provide featureslike data-remote, data-confirm and other parts of Rails' Unobtrusive JavaScriptofferings. It is no longer required, as the UJS has been rewritten to use plain,vanilla JavaScript. This code now ships inside of Action View asrails-ujs.

You can still use jQuery if needed, but it is no longer required by default.

2.4 System tests

Rails 5.1 has baked-in support for writing Capybara tests, in the form ofSystem tests. You no longer need to worry about configuring Capybara anddatabase cleaning strategies for such tests. Rails 5.1 provides a wrapperfor running tests in Chrome with additional features such as failurescreenshots.

2.5 Encrypted secrets

Rails now allows management of application secrets in a secure way,inspired by the sekrets gem.

Run bin/rails secrets:setup to setup a new encrypted secrets file. This willalso generate a master key, which must be stored outside of the repository. Thesecrets themselves can then be safely checked into the revision control system,in an encrypted form.

Secrets will be decrypted in production, using a key stored either in theRAILS_MASTER_KEY environment variable, or in a key file.

2.6 Parameterized mailers

Allows specifying common parameters used for all methods in a mailer class inorder to share instance variables, headers and other common setup.

2.7 Direct & resolved routes

Rails 5.1 adds two new methods, resolve and direct, to the routingDSL. The resolve method allows customizing polymorphic mapping of models.

This will generate the singular URL /basket instead of the usual /baskets/:id.

The direct method allows creation of custom URL helpers.

The return value of the block must be a valid argument for the url_formethod. So, you can pass a valid string URL, Hash, Array, anActive Model instance, or an Active Model class.

2.8 Unification of form_for and form_tag into form_with

Before Rails 5.1, there were two interfaces for handling HTML forms:form_for for model instances and form_tag for custom URLs.

Rails 5.1 combines both of these interfaces with form_with, andcan generate form tags based on URLs, scopes or models.

Using just a URL:

Adding a scope prefixes the input field names:

Using a model infers both the URL and scope:

An existing model makes an update form and fills out field values:

3 Incompatibilities

The following changes may require immediate action upon upgrade.

3.1 Transactional tests with multiple connections

Transactional tests now wrap all Active Record connections in databasetransactions.

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When a test spawns additional threads, and those threads obtain databaseconnections, those connections are now handled specially:

The threads will share a single connection, which is inside the managedtransaction. This ensures all threads see the database in the samestate, ignoring the outermost transaction. Previously, such additionalconnections were unable to see the fixture rows, for example.

When a thread enters a nested transaction, it will temporarily obtainexclusive use of the connection, to maintain isolation.

If your tests currently rely on obtaining a separate,outside-of-transaction, connection in a spawned thread, you'll need toswitch to more explicit connection management.

If your tests spawn threads and those threads interact while also usingexplicit database transactions, this change may introduce a deadlock.

The easy way to opt out of this new behavior is to disable transactionaltests on any test cases it affects.

4 Railties

Please refer to the Changelog for detailed changes.

4.1 Removals

Rails 5.2 Generate Master Key Lock

• Remove deprecated config.static_cache_control.(commit)

• Remove deprecated config.serve_static_files.(commit)

• Remove deprecated file rails/rack/debugger.(commit)

• Remove deprecated tasks: rails:update, rails:template, rails:template:copy,rails:update:configs and rails:update:bin.(commit)

• Remove deprecated CONTROLLER environment variable for routes task.(commit)

• Remove -j (--javascript) option from rails new command.(Pull Request)

4.2 Notable changes

• Added a shared section to config/secrets.yml that will be loaded for allenvironments.(commit)

• The config file config/secrets.yml is now loaded in with all keys as symbols.(Pull Request)

• Removed jquery-rails from default stack. rails-ujs, which is shippedwith Action View, is included as default UJS adapter.(Pull Request)

• Add Yarn support in new apps with a yarn binstub and package.json.(Pull Request)

• Add Webpack support in new apps via the --webpack option, which will delegateto the rails/webpacker gem.(Pull Request)

• Initialize Git repo when generating new app, if option --skip-git is notprovided.(Pull Request)

• Add encrypted secrets in config/secrets.yml.enc.(Pull Request)

• Display railtie class name in rails initializers.(Pull Request)

5 Action Cable

Please refer to the Changelog for detailed changes.

5.1 Notable changes

• Added support for channel_prefix to Redis and evented Redis adaptersin cable.yml to avoid name collisions when using the same Redis serverwith multiple applications.(Pull Request)

• Add ActiveSupport::Notifications hook for broadcasting data.(Pull Request)

6 Action Pack

Please refer to the Changelog for detailed changes.

6.1 Removals

• Removed support for non-keyword arguments in #process, #get, #post,#patch, #put, #delete, and #head for the ActionDispatch::IntegrationTestand ActionController::TestCase classes.(Commit,Commit)

• Removed deprecated ActionDispatch::Callbacks.to_prepare andActionDispatch::Callbacks.to_cleanup.(Commit)

• Removed deprecated methods related to controller filters.(Commit)

• Removed deprecated support to :text and :nothing in render.(Commit, Commit)

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• Removed deprecated support for calling HashWithIndifferentAccess methods on ActionController::Parameters.(Commit)

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6.2 Deprecations

• Deprecated config.action_controller.raise_on_unfiltered_parameters.It doesn't have any effect in Rails 5.1.(Commit)

6.3 Notable changes

• Added the direct and resolve methods to the routing DSL.(Pull Request)

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• Added a new ActionDispatch::SystemTestCase class to write system tests inyour applications.(Pull Request)

7 Action View

Please refer to the Changelog for detailed changes.

7.1 Removals

• Removed deprecated #original_exception in ActionView::Template::Error.(commit)

• Remove the option encode_special_chars misnomer from strip_tags.(Pull Request)

7.2 Deprecations

• Deprecated Erubis ERB handler in favor of Erubi.(Pull Request)

7.3 Notable changes

• Raw template handler (the default template handler in Rails 5) now outputsHTML-safe strings.(commit)

• Change datetime_field and datetime_field_tag to generate datetime-localfields.(Pull Request)

• New Builder-style syntax for HTML tags (tag.div, tag.br, etc.)(Pull Request)

• Add form_with to unify form_tag and form_for usage.(Pull Request)

• Add check_parameters option to current_page?.(Pull Request) Free typewriter app for mac.

8 Action Mailer

Please refer to the Changelog for detailed changes.

8.1 Notable changes

• Allowed setting custom content type when attachments are includedand body is set inline.(Pull Request)

• Allowed passing lambdas as values to the default method.(Commit)

• Added support for parameterized invocation of mailers to share before filters and defaultsbetween different mailer actions.(Commit) Generate security audits registry key.

• Passed the incoming arguments to the mailer action to process.action_mailer event underan args key.(Pull Request)

9 Active Record

Please refer to the Changelog for detailed changes.

9.1 Removals

• Removed support for passing arguments and block at the same time toActiveRecord::QueryMethods#select.(Commit)

• Removed deprecated activerecord.errors.messages.restrict_dependent_destroy.one andactiverecord.errors.messages.restrict_dependent_destroy.many i18n scopes.(Commit)

• Removed deprecated force reload argument in singular and collection association readers.(Commit)

• Removed deprecated support for passing a column to #quote.(Commit)

• Removed deprecated name arguments from #tables.(Commit) Civilization ii mac download free.

• Removed deprecated behavior of #tables and #table_exists? to return tables and viewsto return only tables and not views.(Commit)

• Removed deprecated original_exception argument in ActiveRecord::StatementInvalid#initializeand ActiveRecord::StatementInvalid#original_exception.(Commit)

• Removed deprecated support of passing a class as a value in a query.(Commit)

• Removed deprecated support to query using commas on LIMIT.(Commit)

• Removed deprecated conditions parameter from #destroy_all.(Commit)

• Removed deprecated conditions parameter from #delete_all.(Commit)

• Removed deprecated method #load_schema_for in favor of #load_schema.(Commit)

• Removed deprecated #raise_in_transactional_callbacks configuration.(Commit)

• Removed deprecated #use_transactional_fixtures configuration.(Commit)

9.2 Deprecations

• Deprecated error_on_ignored_order_or_limit flag in favor oferror_on_ignored_order.(Commit)

• Deprecated sanitize_conditions in favor of sanitize_sql.(Pull Request)

• Deprecated supports_migrations? on connection adapters.(Pull Request)

• Deprecated Migrator.schema_migrations_table_name, use SchemaMigration.table_name instead.(Pull Request)

• Deprecated using #quoted_id in quoting and type casting.(Pull Request)

• Deprecated passing default argument to #index_name_exists?.(Pull Request)

9.3 Notable changes

• Change Default Primary Keys to BIGINT.(Pull Request)

• Virtual/generated column support for MySQL 5.7.5+ and MariaDB 5.2.0+.(Commit)

• Added support for limits in batch processing.(Commit)

• Transactional tests now wrap all Active Record connections in databasetransactions.(Pull Request)

• Skipped comments in the output of mysqldump command by default.(Pull Request)

• Fixed ActiveRecord::Relation#count to use Ruby's Enumerable#count for countingrecords when a block is passed as argument instead of silently ignoring thepassed block.(Pull Request)

• Pass '-v ON_ERROR_STOP=1' flag with psql command to not suppress SQL errors.(Pull Request)

• Add ActiveRecord::Base.connection_pool.stat.(Pull Request)

• Inheriting directly from ActiveRecord::Migration raises an error.Specify the Rails version for which the migration was written for.(Commit)

• An error is raised when through association has ambiguous reflection name.(Commit)

10 Active Model

Please refer to the Changelog for detailed changes.

10.1 Removals

• Removed deprecated methods in ActiveModel::Errors.(commit)

• Removed deprecated :tokenizer option in the length validator.(commit)

• Remove deprecated behavior that halts callbacks when the return value is false.(commit)

10.2 Notable changes

Rails 5.2 Generate Master Key Code

• The original string assigned to a model attribute is no longer incorrectlyfrozen.(Pull Request)

11 Active Job

Please refer to the Changelog for detailed changes.

11.1 Removals

• Macos message app not opening. Removed deprecated support to passing the adapter class to .queue_adapter.(commit)

• Removed deprecated #original_exception in ActiveJob::DeserializationError.(commit)

11.2 Notable changes

• Added declarative exception handling via ActiveJob::Base.retry_on and ActiveJob::Base.discard_on.(Pull Request)

• Yield the job instance so you have access to things like job.arguments onthe custom logic after retries fail.(commit)

12 Active Support

Please refer to the Changelog for detailed changes.

12.1 Removals

• Removed the ActiveSupport::Concurrency::Latch class.(Commit)

• Removed halt_callback_chains_on_return_false.(Commit)

• Removed deprecated behavior that halts callbacks when the return is false.(Commit)

12.2 Deprecations

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• The top level HashWithIndifferentAccess class has been softly deprecatedin favor of the ActiveSupport::HashWithIndifferentAccess one.(Pull Request)

• Deprecated passing string to :if and :unless conditional options on set_callback and skip_callback.(Commit)

12.3 Notable changes

• Fixed duration parsing and traveling to make it consistent across DST changes.(Commit,Pull Request)

• Updated Unicode to version 9.0.0.(Pull Request)

• Add Duration#before and #after as aliases for #ago and #since.(Pull Request)

• Added Module#delegate_missing_to to delegate method calls notdefined for the current object to a proxy object.(Pull Request)

• Added Date#all_day which returns a range representing the whole dayof the current date & time.(Pull Request)

• Introduced the assert_changes and assert_no_changes methods for tests.(Pull Request)

• The travel and travel_to methods now raise on nested calls.(Pull Request)

• Update DateTime#change to support usec and nsec.(Pull Request)

13 Credits

See thefull list of contributors to Rails forthe many people who spent many hours making Rails, the stable and robustframework it is. Kudos to all of them.

Rails Generate Controller

Feedback

Rails 5.2 Generate Master Key West

You're encouraged to help improve the quality of this guide.

Please contribute if you see any typos or factual errors. To get started, you can read our documentation contributions section.

Rails 5.2 Generate Master Key Code

You may also find incomplete content or stuff that is not up to date. Please do add any missing documentation for master. Make sure to check Edge Guides first to verify if the issues are already fixed or not on the master branch. Check the Ruby on Rails Guides Guidelines for style and conventions.

If for whatever reason you spot something to fix but cannot patch it yourself, please open an issue.

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