Class: EY::Model::Environment

Inherits:
Object
  • Object
show all
Defined in:
lib/engineyard/model/environment.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#ignore_bad_master ⇒ Object

Returns the value of attribute ignore_bad_master.



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# File 'lib/engineyard/model/environment.rb', line 5

def ignore_bad_master
  @ignore_bad_master
end

Class Method Details

.from_array ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 16

def self.from_array(*)
  Collection::Environments[*super]
end

.from_hash(hash) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 7

def self.from_hash(hash)
  super.tap do |env|
    env.username = hash['ssh_username']
    env.apps = App.from_array(env.apps, :api => env.api)
    env.instances = Instance.from_array(hash['instances'], :environment => env)
    env.app_master = Instance.from_hash(env.app_master.merge(:environment => env)) if env.app_master
  end
end

Instance Method Details

#app_master! ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 24

def app_master!
  master = app_master
  if master.nil?
    raise NoAppMasterError.new(name)
  elsif !ignore_bad_master && master.status != "running"
    raise BadAppMasterStatusError.new(master.status)
  end
  master
end

#configuration ⇒ Object Also known as: config 



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# File 'lib/engineyard/model/environment.rb', line 142

def configuration
  EY.config.environments[self.name] || {}
end

#default_branch ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 147

def default_branch
  EY.config.default_branch(name)
end

#deploy(app, ref, deploy_options = {}) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 38

def deploy(app, ref, deploy_options={})
  # regarding deploy_options['migrate']:
  #
  # missing means migrate how the yaml file says to
  # nil means don't migrate
  # true means migrate w/custom command (if present) or default
  # a string means migrate with this specific command

  default_migration_command = config['migration_command'] || 'rake db:migrate'

  migration_from_config = if config.has_key?('migrate')
                            if config['migrate']
                              default_migration_command
                            else
                              nil
                            end
                          else
                            default_migration_command
                          end

  migration_from_command_line = if deploy_options['migrate'].nil?
                                  nil
                                elsif deploy_options['migrate'].respond_to?(:to_str)
                                  deploy_options['migrate'].to_str
                                else
                                  default_migration_command
                                end

  cmd = if deploy_options.has_key?('migrate')
          migration_from_command_line
        else
          migration_from_config
        end

  app_master!.deploy(app, ref, cmd, config, deploy_options['verbose'])
end

#download_recipes ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 95

def download_recipes
  if File.exist?('cookbooks')
    raise EY::Error, "Could not download, cookbooks already exists"
  end

  require 'tempfile'
  tmp = Tempfile.new("recipes")
  tmp.write(api.request("/environments/#{id}/recipes"))
  tmp.flush

  cmd = "tar xzf '#{tmp.path}' cookbooks"

  unless system(cmd)
    raise EY::Error, "Could not unarchive recipes.\nCommand `#{cmd}` exited with an error."
  end
end

#ensure_eydeploy_present(&blk) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 34

def ensure_eydeploy_present(&blk)
  app_master!.ensure_eydeploy_present(&blk)
end

#logs ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 20

def logs
  Log.from_array(api_get("/environments/#{id}/logs")["logs"])
end

#put_up_maintenance_page(app, verbose = false) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 83

def put_up_maintenance_page(app, verbose=false)
  app_master!.put_up_maintenance_page(app, verbose)
end

#rebuild ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 87

def rebuild
  api.request("/environments/#{id}/rebuild", :method => :put)
end

#recipe_file ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 119

def recipe_file
  require 'tempfile'
  unless File.exist?("cookbooks")
    raise EY::Error, "Could not find chef recipes. Please run from the root of your recipes repo."
  end

  tmp = Tempfile.new("recipes")
  cmd = "tar czf '#{tmp.path}' cookbooks/"

  unless system(cmd)
    raise EY::Error, "Could not archive recipes.\nCommand `#{cmd}` exited with an error."
  end

  tmp
end

#resolve_branch(branch, allow_non_default_branch = false) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 135

def resolve_branch(branch, allow_non_default_branch=false)
  if !allow_non_default_branch && branch && default_branch && (branch != default_branch)
    raise BranchMismatchError.new(default_branch, branch)
  end
  branch || default_branch
end

#rollback(app, verbose = false) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 75

def rollback(app, verbose=false)
  app_master!.rollback(app, config, verbose)
end

#run_custom_recipes ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 91

def run_custom_recipes
  api.request("/environments/#{id}/run_custom_recipes", :method => :put)
end

#shorten_name_for(app) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 151

def shorten_name_for(app)
  name.gsub(/^#{Regexp.quote(app.name)}_/, '')
end

#take_down_maintenance_page(app, verbose = false) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 79

def take_down_maintenance_page(app, verbose=false)
  app_master!.take_down_maintenance_page(app, verbose)
end

#upload_recipes(file_to_upload = recipe_file) ⇒ Object 



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# File 'lib/engineyard/model/environment.rb', line 112

def upload_recipes(file_to_upload = recipe_file)
  api.request("/environments/#{id}/recipes",
    :method => :post,
    :params => {:file => file_to_upload}
    )
end