ruby - Capistrano cap production deploy fails on migration but cap production deploy:migrate passes -


i've come across strange problem capistrano while getting production server ready. when run cap production deploy, fails on deploy:migrate step

activerecord::adapternotspecified: 'production' database not configured. available: ["defaul…

yet, when run cap production deploy:migrate, capistrano completes successfully.

on actual server, able run rails_env=production bundle exec rake:migrate without problems either.

the capistrano log spits out same command both:

[deploy:migrate] run rake db:migrate

my database config looks this:

production:   adapter: mysql2   encoding: utf8   database: foo   host: localhost   pool: 5   timeout: 5000   username: bar   password: password   socket: /opt/bitnami/mysql/tmp/mysql.sock

i should mention have set rails env in deploy.rb so: set :rails_env, :production

here relevent information in gemfile:

gem 'mysql2', '~> 0.4.5' group :development   gem 'capistrano', '~> 3.6', '>= 3.6.1'   gem 'capistrano-rvm'   gem 'capistrano-bundler'   gem 'capistrano-rails'   gem 'capistrano-passenger' end

can shed light on missing here? new capistrano.

after lot of searching found root cause.

i didn't realise "current" directory (or symlink fair) created @ end of capistrano process , since had earlier trial run rake_env=development, had current symlink on server.

before deploy:migrate step, upload database.yml secure location server via custom task uses command:

upload! "#{secure_data}database.yml", "#{current_path}/config/"

which @ time of before deploy:migrate, confusion, thought rake db:migrate being run current symlink, in fact being run latest release directory. latest release directory did not have production database information file uploaded current symlink pointed old release.

all in all, custom task caused problem , if else comes across similar scenario, command instead:

upload! "#{secure_data}database.yml", "#{release_path}/config/"

the key being release_path variable instead of current_path variable.


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