Class: Chef::Knife::BootstrapAzure

Inherits:
Chef::Knife show all
Includes:
AzureBase, Chef::Knife::Bootstrap::Bootstrapper, Chef::Knife::Bootstrap::CommonBootstrapOptions
Defined in:
lib/chef/knife/bootstrap_azure.rb

Instance Method Summary collapse

Methods included from Chef::Knife::Bootstrap::Bootstrapper

#bootstrap_common_params, #bootstrap_exec, #bootstrap_for_node, #bootstrap_for_windows_node, #create_node_and_client_pem, #default_bootstrap_template, #default_hint_options, #get_chef_extension_name, #get_chef_extension_private_params, #get_chef_extension_public_params, #get_chef_extension_publisher, #get_chef_extension_version, #load_cloud_attributes_in_hints, #load_correct_secret, #load_winrm_deps, #ohai_hints, #tcp_test_ssh, #tcp_test_winrm

Methods included from Chef::Knife::Bootstrap::CommonBootstrapOptions

included

Methods included from AzureBase

#fetch_chef_client_logs, #fetch_deployment, #fetch_extension, #fetch_role, #fetch_substatus, #find_file, #get_azure_profile_file_path, #get_default_subscription, included, #is_image_windows?, #locate_config_value, #msg_pair, #msg_server_summary, #parse_azure_profile, #parse_publish_settings_file, #pretty_key, #service, #validate!, #validate_asm_keys!, #validate_params!

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/bootstrap_azure.rb', line 38

def run
  ui.info "Validating..."
  validate_asm_keys!

  begin
    if @name_args.length == 1
      service.add_extension(@name_args[0], set_ext_params)
      if locate_config_value(:extended_logs)
        print "\n\nWaiting for the Chef Extension to become available/ready"
        wait_until_extension_available(Time.now, 10)
        print "\n\nWaiting for the first chef-client run"
        fetch_chef_client_logs(Time.now, 35)
      end
    else
      raise ArgumentError, 'Please specify the SERVER name which needs to be bootstrapped via the Chef Extension.' if @name_args.length == 0
      raise ArgumentError, 'Please specify only one SERVER name which needs to be bootstrapped via the Chef Extension.' if @name_args.length > 1
    end
  rescue => error
    ui.error("#{error.message}")
    Chef::Log.debug("#{error.backtrace.join("\n")}")
    exit
  end
end

#set_ext_params ⇒ Object 



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# File 'lib/chef/knife/bootstrap_azure.rb', line 62

def set_ext_params
  begin
    ui.info "Looking for the server #{@name_args[0]}..."
    server = service.find_server({
        name: @name_args[0],
        azure_dns_name: locate_config_value(:azure_dns_name)
      })

    ## if azure_dns_name value not passed by user then set it using the hostedservicename attribute from the retrieved server's object ##
    config[:azure_dns_name] = server.hostedservicename if locate_config_value(:azure_dns_name).nil? && (server.instance_of? Azure::Role)
    if !server.instance_of? Azure::Role
      if server.nil?
        if !locate_config_value(:azure_dns_name).nil?
          raise "Hosted service #{locate_config_value(:azure_dns_name)} does not exist."
        else
          raise "Server #{@name_args[0]} does not exist."
        end
      else
        raise "Server #{@name_args[0]} does not exist under the hosted service #{locate_config_value(:azure_dns_name)}."
      end
    end

    ui.info "\nServer #{@name_args[0]} found."
    ui.info "Setting the Chef Extension parameters."
    ext_params = Hash.new
    case server.os_type.downcase
    when 'windows'
      ext_params[:chef_extension] = 'ChefClient'
    when 'linux'
      if ['ubuntu', 'debian', 'rhel', 'centos'].any? { |platform| server.os_version.downcase.include? platform }
        ext_params[:chef_extension] = 'LinuxChefClient'
      else
        raise "OS version #{server.os_version} for OS type #{server.os_type} is not supported."
      end
    else
      raise "OS type #{server.os_type} is not supported."
    end

    ext_params[:azure_dns_name] = server.hostedservicename || locate_config_value(:azure_dns_name)
    ext_params[:deploy_name] = server.deployname
    ext_params[:role_xml] = server.role_xml
    ext_params[:azure_vm_name] = @name_args[0]
    ext_params[:chef_extension_publisher] = get_chef_extension_publisher
    ext_params[:chef_extension_version] = get_chef_extension_version(ext_params[:chef_extension])
    ext_params[:chef_extension_public_param] = get_chef_extension_public_params
    ext_params[:chef_extension_private_param] = get_chef_extension_private_params
  rescue => error
    ui.error("#{error.message}")
    Chef::Log.debug("#{error.backtrace.join("\n")}")
    exit
  end

  ext_params
end

#wait_until_extension_available(extension_deploy_start_time, extension_availaibility_wait_timeout) ⇒ Object 



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# File 'lib/chef/knife/bootstrap_azure.rb', line 117

def wait_until_extension_available(extension_deploy_start_time, extension_availaibility_wait_timeout)
  extension_availaibility_wait_time = ((Time.now - extension_deploy_start_time) / 60).round
  if extension_availaibility_wait_time <= extension_availaibility_wait_timeout
    ## extension availaibility wait time has not exceeded the maximum threshold set for the wait timeout ##
    my_role = nil
    sleep_and_wait = false
    deployment = fetch_deployment
    if deployment.at_css('Deployment Name') != nil
      role_list_xml =  deployment.css('RoleInstanceList RoleInstance')
      ## list of roles found under the deployment ##
      role_list_xml.each do |role|
        ## search in the roles list for the given role ##
        if role.at_css("RoleName").text == @name_args[0]
          my_role = role
          break
        end
      end

      if my_role && my_role.at_css("GuestAgentStatus Status").text == "Ready"
        ## given role found and also GuestAgent is ready ##
        extension = fetch_extension(my_role)
        ## check if Chef Extension not found (which means it is not available/ready yet) then sleep_and_wait OR
        ## if found (which means it is available/ready now) then proceed further with chef-client run logs fetch process ##
        if extension.nil?
          sleep_and_wait = true
        end
      else
        ## given role not found or GuestAgent not ready yet ##
        sleep_and_wait = true
      end
    else
      ## deployment could not be found ##
      sleep_and_wait = true
    end

    ## wait for some time and then re-fetch the status ##
    if sleep_and_wait == true
      print "#{ui.color('.', :bold)}"
      sleep 30
      wait_until_extension_available(
        extension_deploy_start_time,
        extension_availaibility_wait_timeout
      )
    end
  else
    ## extension availaibility wait time exceeded maximum threshold set for the wait timeout ##
    raise "\nUnable to fetch chef-client run logs as Chef Extension seems to be unavailable even after #{extension_availaibility_wait_timeout} minutes of its deployment.\n"
  end
end