Class: Chef::Knife::CookbookTarUpload

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/cookbook_tar_upload.rb

Constant Summary collapse

@@current_cookbooks =

This is the list of CookbookVersion’s that are already uploaded to the chef-server

nil

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.upload_cookbooks(tar_file) ⇒ Object 



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# File 'lib/chef/knife/cookbook_tar_upload.rb', line 31

def self.upload_cookbooks(tar_file)
  # This is the list of cookbooks and their groupings, we upload all the cookbooks in a group at a time
  cookbook_upload_groups = Array.new
  
  cookbook_paths = tar_file.cookbooks
  
  cookbook_group_index = 0
  
  total_cookbooks = cookbook_paths.length
  
  # Since we now allow you to upload multiple versions of the same cookbook we have to be smart about how we upload the cookbooks
  # If we upload a cookbook without the proper dependency we will get errors
  
  # So the strategy is to categorize cookbooks into groups based on their dependencies and what has been uploaded
  # Then move the cookbooks to a tmp directory (renaming their directories if necessary) and upload each group in order
  
  while !cookbook_paths.empty?
    
    cookbook_upload_groups.push(Array.new)
    
    # An array of current cookbook names we are uploading. This is used to ensure we dont upload the same cookbook 
    # (different version) in the same group
    cookbookNamesToUpload = Array.new
    
    cookbook_paths.each do |cookbook_path|
      cookbookName = CookbookTarUpload.get_cookbook_name_from_path cookbook_path
      
      # Verify we aren't uploading another version of the cookbook in this group
      unless cookbookNamesToUpload.index(cookbookName)
        
        # Check the cookbook has no dependencies or its dependencies have been uploaded
        
        md = Chef::Cookbook::Metadata.new
        md.from_file File.join(cookbook_path, "metadata.rb")
        
        uploadable = true
        md.dependencies.each do |cookbook_dependency, version_constraint|
            
          # Verify we have uploaded the specific cookbook / version
          unless CookbookTarUpload.is_dependency_uploaded? cookbook_dependency, version_constraint, cookbook_upload_groups
            ui.error "Cookbook #{cookbookName} depends on cookbook '#{cookbook_dependency}' version '#{version_constraint}',"
            ui.error "which is not currently being uploaded and cannot be found on the server."
            uploadable = false
            break
          end  
            
        end
        
        if uploadable
          # Add the cookbook to the group
          cookbook_upload_groups[cookbook_group_index].push cookbook_path
          # Add the cookbook's name to our list
          cookbookNamesToUpload.push(cookbookName)
        end
      end
    end
    
    # If we still have cookbooks that need to find a group but we did not add any to this group
    # we have an error. This can be caused by a missing dependency or a circular dependency.
    if cookbookNamesToUpload.empty?
      raise "Unable to upload cookbooks"
    end
    
    # Remove the cookbooks we have added to this group
    cookbook_upload_groups[cookbook_group_index].each do |cookbook_path|
      cookbook_paths.delete cookbook_path
    end
    
    cookbook_group_index+=1
    
  end
  
  puts "#{total_cookbooks} cookbooks have been grouped into #{cookbook_upload_groups.length} groups"
  puts "Uploading cookbooks ..."
  
  # Upload all cookbooks one group at a time
  cookbook_upload_groups.each do |cookbookGroup|
    cookbookTmpPath = ::TmpDirectory.new("cookbooks").path
    
    # Move cookbooks to tmp directory and rename if necessary
    cookbookGroup.each do |cookbook_path|
      FileUtils.cp_r cookbook_path, File.join(cookbookTmpPath, CookbookTarUpload.get_cookbook_name_from_path(cookbook_path))
    end
    
    #Upload cookbook group
    cookbookUploader = Chef::Knife::CookbookUpload.new
    cookbookUploader.config[:cookbook_path] = cookbookTmpPath
    cookbookUploader.config[:all] = true
    cookbookUploader.run
  end
end

Instance Method Details

#run ⇒ Object

This method will be executed when you run this knife command.



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# File 'lib/chef/knife/cookbook_tar_upload.rb', line 18

def run
  
  if @name_args.size != 1
    ui.info("Please specify a tarPath")
    show_usage
    exit 1
  end
  
  tar_file = Chef::TarFile.new(@name_args.first)
  CookbookTarUpload.upload_cookbooks tar_file
  
end