embedded ruby in database.yml config file

[Stuart Fraser]

I have noticed in Rails 4.2 the following in rails console

#database.yml
...
development:
  <<: *default
  database: project_development
  username: root
  password: <%= ENV['PASSWORD'] %>

development_replica:
  <<: *default
  database: replicat_db
  username: replica_user
  password: <%= ENV['REPLICA_PASSWORD'] %>

If I look at ActiveRecord::Base.configurations['development'] the password set

If I look at ActiveRecord::Base.configurations['development_replicate'] the password is nil

This happens with any embedded ruby that is not in the Rails.env configuration block.

Is this expected behaviour? 

To establish another connection I am supposed to do the following but the embedded ruby isn't evaled

ActiveRecord::Base.establish_connection(:development_replica)

Advice or thoughts?

Thanks

[Frederick Cheung]

On Thursday, April 2, 2015 at 9:15:00 AM UTC+1, Stuart Fraser wrote:

I have noticed in Rails 4.2 the following in rails console

#database.yml
...
development:
  <<: *default
  database: project_development
  username: root
  password: <%= ENV['PASSWORD'] %>

development_replica:
  <<: *default
  database: replicat_db
  username: replica_user
  password: <%= ENV['REPLICA_PASSWORD'] %>

If I look at ActiveRecord::Base.configurations['development'] the password set

If I look at ActiveRecord::Base.configurations['development_replicate'] the password is nil

This happens with any embedded ruby that is not in the Rails.env configuration block.

 

Is this expected behaviour? 

The erb step happens before YAML parsing so that sounds unlikely. Are you sure that environment variable is set.

Fred

[Stuart Fraser]

I've decided to use dotenv-rails and this seems to have remedied things. Perhaps it was an eval order issue.

I did have ENV populated with all values I expected to see, they just weren't in the configurations.

Thanks

[Stuart Fraser]

So I worked out that Spring was my problem. If the ENV['DATABASE_URL'] or any other setting is not set then Spring still starts and keeps running with things unset.

I lost far too much time wondering why I could see my ENV variables in Rails Console but database.yml wasn't getting set.

spring stop