How do I get capistrano 3 to prompt for server name?

[Stuart Watson]

Here is my config so far:-

Capfile

# Load DSL and set up stages

require 'capistrano/setup'

# Include default deployment tasks

require 'capistrano/deploy'

# Include tasks from other gems included in your Gemfile

#

# For documentation on these, see for example:

#

#   https://github.com/capistrano/rvm

#   https://github.com/capistrano/rbenv

#   https://github.com/capistrano/chruby

#   https://github.com/capistrano/bundler

#   https://github.com/capistrano/rails

#   https://github.com/capistrano/passenger

#

require 'capistrano/rvm'

# require 'capistrano/rbenv'

# require 'capistrano/chruby'

require 'capistrano/bundler'

require 'capistrano/rails/assets'

require 'capistrano/rails/migrations'

#require 'capistrano/passenger'

#require "whenever/capistrano"

# Load custom tasks from `lib/capistrano/tasks` if you have any defined

Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }

Deploy.rb

# config valid only for current version of Capistrano

lock '3.4.0'

set :application, '#{fetch(:application)}'

set :repo_url, 'git@temp'

# Default branch is :master

# ask :branch, `git rev-parse --abbrev-ref HEAD`.chomp

set :deploy_user, 'temp'

set :backup_path, "/home/#{fetch(:deploy_user)}/Backup"

# Default deploy_to directory is /var/www/my_app_name

set :deploy_to, "/home/#{fetch(:deploy_user)}/#{fetch(:application)}"

# Default value for :scm is :git

set :scm, :git

set :scm_username, "temp"

set :rvm_type, :user

set :rvm_ruby_version, '2.0.0-p451'

#set :ssh_options, {

##  config: false,

#  forward_agent: true,

#}

set :ssh_options, {:forward_agent => true}

# Default value for :format is :pretty

# set :format, :pretty

# Default value for :log_level is :debug

#set :log_level, :debug

# Default value for :pty is false

set :pty, true

# Default value for :linked_files is []

#set :linked_files, fetch(:linked_files, []).push('config/database.yml', 'config/secrets.yml')

set :linked_files, %w{config/database.yml config/mailer_config.yml config/max_mind.yml}

# Default value for linked_dirs is []

set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'vendor/bundle', 'public/system')

# Default value for default_env is {}

# set :default_env, { path: "/opt/ruby/bin:$PATH" }

# Default value for keep_releases is 5

set :keep_releases, 5

namespace :deploy do

  desc "Restart app"

  task :restart do

    on roles(:app), in: :sequence, wait: 5 do

      execute :touch, release_path.join("tmp/restart.txt")

    end

  end

  after :finishing, "deploy:cleanup"

end

I've written a cap task that configures all the dbs etc. This gets run before I do the cap production deploy.

namespace :config do

  task :setup do

    ask(:application, 'application')

    ask(:web_server, 'web_server')

    ask(:db_user, 'db_user')

    ask(:db_pass, 'db_pass')

    ask(:db_name, 'db_name')

    ask(:db_host, 'db_host')

    setup_config = <<-EOF

#{fetch(:rails_env)}:

  adapter: postgresql

  database: #{fetch(:db_name)}

  username: #{fetch(:db_user)}

  password: #{fetch(:db_pass)}

  host: #{fetch(:db_host)}

    EOF

    on roles(:app) do

      execute "mkdir -p #{shared_path}/config"

      upload! StringIO.new(setup_config), "#{shared_path}/config/database.yml"

    end

  end

end

And i've added this in here, but it fails with an ssh error

@'s password:

How can I resolve this?

Thanks

[Lee Hambley]

I'm sorry I can't understand what is not working as you haven't included the `server(…)` or `role(…)` lines where `roles(:app)` should be populated from.

Lee Hambley

http://lee.hambley.name/

+49 (0) 170 298 5667

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[Stuart Watson]

This is my production.rb file

# server-based syntax
	# ======================
	# Defines a single server with a list of roles and multiple properties.
	# You can define all roles on a single server, or split them:
	# server 'example.com', user: 'deploy', roles: %w{app db web}, my_property: :my_value
	# server 'example.com', user: 'deploy', roles: %w{app web}, other_property: :other_value
	# server 'db.example.com', user: 'deploy', roles: %w{db}
	set :stage, :production
	set :branch, "capistrano3"
	server "#{fetch(:server)}", roles: %w{app web db}

	set :application, "#{fetch(:application)}"

	set :server_name, "#{fetch(:application)}.#{fetch(:server)}"
	set :sudo_user, "user"
	set :app_port, "80"

I think it has something to do with the require 'capistrano/rvm' in my Capfile, as if i comment this out, i get a bit further, if i keep this in I get a prompt for a password when its trying to run rvm:check.

Is there a more correct way of doing this?  Ideally we want to have no actual information in the config so they can be easily moved between servers.  Also i'd like to try and avoid having a file which contains all the relevant information which could be committed to github (users change the name and forget to update the git ignore file)

Once this has finished we'll then run cap production deploy - it's designed to replace the deploy:setup.

Hope this helps

Thanks

    ask(:web_server, 'server')

    ask(:db_user, 'db_user')

    ask(:db_pass, 'db_pass')

    ask(:db_name, 'db_name')

    ask(:db_host, 'db_host')

    setup_config = <<-EOF

#{fetch(:rails_env)}:

  adapter: postgresql

  database: #{fetch(:db_name)}

  username: #{fetch(:db_user)}

  password: #{fetch(:db_pass)}

  host: #{fetch(:db_host)}

    EOF

    on roles(:app) do

      execute "mkdir -p #{shared_path}/config"

      upload! StringIO.new(setup_config), "#{shared_path}/config/database.yml"

    end

  end

end

[Stuart Watson]

I guess I might be better doing

cap --hosts=server1,server2 production deploy

and not having the initial setup file ask for the server name which is probably wrong.

Thanks

On Friday, July 17, 2015 at 4:01:16 PM UTC+1, Stuart Watson wrote:

[Lee Hambley]

Thats one way, the other would simply be to use `readline` or io/consoel to read the input, i.e http://stackoverflow.com/a/11765329/119669

server STDIN.noecho(&:gets), roles: %w{foo bar baz}

Lee Hambley

http://lee.hambley.name/

+49 (0) 170 298 5667

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[Stuart Watson]

It's using ssh keys so there is no password to input....would this solve this problem?

If I replace the server variable in the production.rb file with the server ip address it works fine.

Thanks

Stuart

On Friday, July 17, 2015 at 4:01:16 PM UTC+1, Stuart Watson wrote:

[Lee Hambley]

> If I replace the server variable in the production.rb file with the server ip address it works fine.

That's what I suggested to do, by prompting for the server name.

Lee Hambley

http://lee.hambley.name/

+49 (0) 170 298 5667

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