Class: Batali::Command::Resolve

Inherits:
Batali::Command show all
Defined in:
lib/batali/command/resolve.rb

Overview

Resolve cookbooks

Constant Summary

Constants inherited from Batali::Command

DEFAULT_CONFIGURATION_FILES

Instance Method Summary collapse

Methods inherited from Batali::Command

#batali_file, #cache_directory, #dry_run, #infrastructure?, #initialize, #manifest

Constructor Details

This class inherits a constructor from Batali::Command

Instance Method Details

#execute! ⇒ Object

Resolve dependencies and constraints. Output results to stdout and dump serialized manifest



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# File 'lib/batali/command/resolve.rb', line 11

def execute!
  system = Grimoire::System.new
  run_action 'Loading sources' do
    UnitLoader.new(
      :file => batali_file,
      :system => system,
      :cache => cache_directory(:git)
    ).populate!
    nil
  end
  requirements = Grimoire::RequirementList.new(
    :name => :batali_resolv,
    :requirements => batali_file.cookbook.map{ |ckbk|
      [ckbk.name, (ckbk.constraint.nil? || ckbk.constraint.empty? ? ['> 0'] : ckbk.constraint)]
    }
  )
  solv = Grimoire::Solver.new(
    :requirements => requirements,
    :system => system,
    :score_keeper => score_keeper
  )
  if(infrastructure?)
    infrastructure_resolution(solv)
  else
    single_path_resolution(solv)
  end
end

#infrastructure_resolution(solv) ⇒ TrueClass

Generate manifest comprised of units for entire infrastructure

Parameters:

  • solv (Grimoire::Solver)

Returns:

  • (TrueClass) 


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# File 'lib/batali/command/resolve.rb', line 120

def infrastructure_resolution(solv)
  ui.info 'Performing infrastructure path resolution.'
  if(manifest.infrastructure == false)
    ui.ask 'Current manifest is resolved single path. Convert to infrastructure?'
  end
  run_action 'Resolving dependency constraints' do
    solv.prune_world!
    nil
  end
  run_action 'Writing infrastructure manifest file' do
    File.open(manifest.path, 'w') do |file|
      manifest = Manifest.new(
        :cookbook => solv.world.units.values.flatten,
        :infrastructure => true
      )
      file.write MultiJson.dump(manifest, :pretty => true)
      nil
    end
  end
  ui.info 'Infrastructure manifest solution:'
  solv.world.units.sort_by(&:first).each do |name, units|
    ui.puts "#{name} <#{units.map(&:version).sort.map(&:to_s).join(', ')}>"
  end
end

#score_keeper ⇒ ScoreKeeper

Returns:



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# File 'lib/batali/command/resolve.rb', line 40

def score_keeper
  memoize(:score_keeper) do
    sk_manifest = Manifest.new(:cookbook => manifest.cookbook)
    unless(config[:least_impact])
      sk_manifest.cookbook.clear
    end
    sk_manifest.cookbook.delete_if do |unit|
      arguments.include?(unit.name)
    end
    ScoreKeeper.new(:manifest => sk_manifest)
  end
end

#single_path_resolution(solv) ⇒ TrueClass

Generate manifest comprised of units for single path resolution

Parameters:

  • solv (Grimoire::Solver)

Returns:

  • (TrueClass) 


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# File 'lib/batali/command/resolve.rb', line 57

def single_path_resolution(solv)
  original_units = Smash[
    [manifest.cookbook].flatten.compact.map do |unit|
      [unit.name, unit.version]
    end
  ]
  ui.info 'Performing single path resolution.'
  if(manifest.infrastructure)
    ui.confirm 'Current manifest is resolved for infrastucture. Convert to single path?'
  end
  results = []
  run_action 'Resolving dependency constraints' do
    results = solv.generate!
    nil
  end
  if(results.empty?)
    ui.error 'No solutions found defined requirements!'
  else
    ideal_solution = results.pop
    dry_run('manifest file write') do
      run_action 'Writing manifest' do
        manifest = Manifest.new(
          :cookbook => ideal_solution.units,
          :infrastructure => false
        )
        File.open('batali.manifest', 'w') do |file|
          file.write MultiJson.dump(manifest, :pretty => true)
        end
        nil
      end
    end
    # ui.info "Number of solutions collected for defined requirements: #{results.size + 1}"
    ui.info 'Ideal solution:'
    solution_units = Smash[ideal_solution.units.map{|unit| [unit.name, unit]}]
    manifest_units = Smash[manifest.cookbook.map{|unit| [unit.name, unit]}]
    (solution_units.keys + manifest_units.keys).compact.uniq.sort.each do |unit_name|
      if(manifest_units[unit_name])
        if(solution_units[unit_name])
          if(solution_units[unit_name].same?(manifest_units[unit_name]))
            ui.puts "#{unit_name} <#{solution_units[unit_name].version}>"
          else
            u_diff = manifest_units[unit_name].diff(solution_units[unit_name])
            version_output = u_diff[:version] ? u_diff[:version].join(' -> ') : solution_units[unit_name].version
            u_diff.delete(:version)
            unless(u_diff.empty?)
              diff_output = "[#{u_diff.values.map{|v| v.join(' -> ')}.join(' | ')}]"
            end
            ui.puts ui.color("#{unit_name} <#{version_output}> #{diff_output}" , :yellow)
          end
        else
          ui.puts ui.color("#{unit_name} <#{manifest_units[unit_name].version}>", :red)
        end
      else
        ui.puts ui.color("#{unit_name} <#{solution_units[unit_name].version}>", :green)
      end
    end
  end
end