Module: Fhcap::KnifeHelper

Included in:
Tasks::Chef::ChefServerTask, Tasks::Cluster::CreateDNSRecords, Tasks::TaskBase
Defined in:
lib/fhcap/knife_helper.rb

Instance Method Summary collapse

Instance Method Details

#chef_server_config_for(name) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 29

def chef_server_config_for(name)
  ::Chef::Config.from_file(knife_config_file_for(name))
end

#chef_server_config_hash_for(name) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 33

def chef_server_config_hash_for(name)
  chef_server_config_for(name)
  chef_server_config = {
      chef_server_url: ::Chef::Config[:chef_server_url],
      node_name: ::Chef::Config[:node_name],
      client_key: ::Chef::Config[:client_key],
  }
end

#chef_server_names ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 23

def chef_server_names
  knife_config.collect do |server_name, cfg|
    server_name.to_s
  end
end

#delete_chef_object(klass, server, *args) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 133

def delete_chef_object(klass, server, *args)
  begin
    suppress_stdout(!options[:verbose]) do
      klass.load_deps
      knife_command = klass.new(args)
      knife_command.config[:config_file] = knife_config_file_for(server)
      knife_command.config[:yes] = true
      knife_command.configure_chef
      knife_command.run
    end
  rescue Net::HTTPServerException => e
    response = e.response
    case response
      when Net::HTTPNotFound
        puts "The object you are looking for could not be found, assuming this ok and continuing ..."
      else
        raise e
    end
  end
end

#knife_config ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 11

def knife_config
  config.exists? && config[:knife] ? config[:knife] : {}
end

#knife_config_dir ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 15

def knife_config_dir
  config[:knife_dir] || File.join(config.default_dir, '.chef')
end

#knife_config_file_for(name) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 19

def knife_config_file_for(name)
  File.join(knife_config_dir, "knife-#{name}.rb")
end

#knife_data_bag_delete(data_bag, item, server) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 128

def knife_data_bag_delete(data_bag, item, server)
  thor.say " * deleting data bag '#{data_bag} #{item}' from #{server}"
  delete_chef_object(::Chef::Knife::DataBagDelete, server, data_bag, item)
end

#knife_download(repo, server, pattern) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 107

def knife_download(repo, server, pattern)
  thor.say " * downloading server items to #{repo} - #{pattern} ..."
  suppress_stdout(!options[:verbose]) do
    Dir.chdir(repo) do
      ::Chef::Knife::Download.load_deps
      knife_command = ::Chef::Knife::Download.new(pattern)
      knife_command.config[:config_file] = knife_config_file_for(server)
      knife_command.config[:chef_repo_path] = repo
      knife_command.configure_chef
      knife_command.config[:recurse] = true
      knife_command.config[:purge] = true
      knife_command.run
    end
  end
end

#knife_environment_delete(env, server) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 123

def knife_environment_delete(env, server)
  thor.say " * deleting environment '#{env}' from #{server}"
  delete_chef_object(::Chef::Knife::EnvironmentDelete, server, env)
end

#knife_upload(repo, server, pattern) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 92

def knife_upload(repo, server, pattern)
  thor.say " * uploading local repo items from #{repo} - #{pattern} ..."
  suppress_stdout(!options[:verbose]) do
    Dir.chdir(repo) do
      ::Chef::Knife::Upload.load_deps
      knife_command = ::Chef::Knife::Upload.new(pattern)
      knife_command.config[:config_file] = knife_config_file_for(server)
      knife_command.config[:chef_repo_path] = repo
      knife_command.configure_chef
      knife_command.config[:recurse] = true
      knife_command.run
    end
  end
end

#local_chef_server?(cfg = {}) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fhcap/knife_helper.rb', line 88

def local_chef_server?(cfg={})
  cfg[:chef_server] && cfg[:chef_server] == 'local'
end

#with_chef_server(cfg, &block) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 42

def with_chef_server(cfg, &block)
  ::Chef::Config.solo = false
  if local_chef_server? cfg
    with_local_chef_server(repo_dir(cfg[:repo]), &block)
  else
    block.call
  end
end

#with_local_chef_server(local_repo, &block) ⇒ Object 



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# File 'lib/fhcap/knife_helper.rb', line 51

def with_local_chef_server(local_repo, &block)
  begin
    ::Chef::Config.from_file(knife_config_file_for('local'))
    uri = URI(::Chef::Config[:chef_server_url])
    host = uri.hostname
    port = uri.port
  rescue
    host = '127.0.0.1'
    port = 7799
  end

  zero_server = Fhcap::Tasks::Chef::ChefZeroServer.new({host: host, port: port})

  begin
    zero_server.start_chef_zero_server
    if zero_server.running?
      thor.say "[Chef Zero Server] - running at #{zero_server.url}"
    else
      thor.say "[Chef Zero Server] - Failed to start server", :red
      exit(-1)
    end
  rescue Errno::EADDRINUSE => e
    thor.say "[Chef Zero Server] - Address in use (#{host}:#{port}), assuming this is ok"
  end

  thor.say "[Chef Zero Server] - Syncing nodes from #{local_repo}"
  knife_upload(local_repo, 'local', ['/nodes'])
  knife_upload(local_repo, 'local', ['/data_bags/aws_*'])
  begin
    block.call
  ensure
    thor.say "[Chef Zero Server] - Syncing nodes to #{local_repo}"
    knife_download(local_repo, 'local', ['/nodes'])
    knife_download(local_repo, 'local', ['/data_bags/aws_*'])
  end
end