Class: Chef::Formatters::ErrorInspectors::RegistrationErrorInspector

Inherits:
Object
  • Object
show all
Defined in:
lib/chef/formatters/error_inspectors/registration_error_inspector.rb

Overview

RegistrationErrorInspector

Wraps exceptions that occur during the client registration process and suggests possible causes. – TODO: Lots of duplication with the node_load_error_inspector, just slightly tweaked to talk about validation keys instead of other keys.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node_name, exception, config) ⇒ RegistrationErrorInspector

Returns a new instance of RegistrationErrorInspector.


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 16

def initialize(node_name, exception, config)
  @node_name = node_name
  @exception = exception
  @config = config
end

Instance Attribute Details

#configObject (readonly)

Returns the value of attribute config


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 14

def config
  @config
end

#exceptionObject (readonly)

Returns the value of attribute exception


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 12

def exception
  @exception
end

#node_nameObject (readonly)

Returns the value of attribute node_name


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 13

def node_name
  @node_name
end

Instance Method Details

#add_explanation(error_description) ⇒ Object


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 22

def add_explanation(error_description)
  case exception
  when Net::HTTPServerException, Net::HTTPFatalError
    humanize_http_exception(error_description)
  when Errno::ECONNREFUSED, Timeout::Error, Errno::ETIMEDOUT, SocketError
    error_description.section("Network Error:",<<-E)
There was a network error connecting to the Chef Server:
#{exception.message}
E
    error_description.section("Relevant Config Settings:",<<-E)
chef_server_url  "#{server_url}"

If your chef_server_url is correct, your network could be down.
E
  when Chef::Exceptions::PrivateKeyMissing
    error_description.section("Private Key Not Found:",<<-E)
Your private key could not be loaded. If the key file exists, ensure that it is
readable by chef-client.
E
    error_description.section("Relevant Config Settings:",<<-E)
validation_key "#{api_key}"
E
  else
    "#{exception.class.name}: #{exception.message}"
  end
end

#api_keyObject


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 111

def api_key
  config[:validation_key]
  #config[:client_key]
end

#clock_skew?Boolean

Returns:

  • (Boolean)

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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 120

def clock_skew?
  exception.response.body =~ /synchronize the clock/i
end

#format_rest_errorObject

Parses JSON from the error response sent by Chef Server and returns the error message – TODO: this code belongs in Chef::REST


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 128

def format_rest_error
  Array(Chef::JSONCompat.from_json(exception.response.body)["error"]).join('; ')
rescue Exception
  exception.response.body
end

#humanize_http_exception(error_description) ⇒ Object


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 49

def humanize_http_exception(error_description)
  response = exception.response
  case response
  when Net::HTTPUnauthorized
    if clock_skew?
      error_description.section("Authentication Error:",<<-E)
Failed to authenticate to the chef server (http 401).
The request failed because your clock has drifted by more than 15 minutes.
Syncing your clock to an NTP Time source should resolve the issue.
E
    else
      error_description.section("Authentication Error:",<<-E)
Failed to authenticate to the chef server (http 401).
E

      error_description.section("Server Response:", format_rest_error)
      error_description.section("Relevant Config Settings:",<<-E)
chef_server_url         "#{server_url}"
validation_client_name  "#{username}"
validation_key          "#{api_key}"

If these settings are correct, your validation_key may be invalid.
E
    end
  when Net::HTTPForbidden
    error_description.section("Authorization Error:",<<-E)
Your validation client is not authorized to create the client for this node (HTTP 403).
E
    error_description.section("Possible Causes:",<<-E)
* There may already be a client named "#{config[:node_name]}"
* Your validation client (#{username}) may have misconfigured authorization permissions.
E
  when Net::HTTPBadRequest
    error_description.section("Invalid Request Data:",<<-E)
The data in your request was invalid (HTTP 400).
E
    error_description.section("Server Response:",format_rest_error)
  when Net::HTTPNotFound
    error_description.section("Resource Not Found:",<<-E)
The server returned a HTTP 404. This usually indicates that your chef_server_url is incorrect.
E
    error_description.section("Relevant Config Settings:",<<-E)
chef_server_url "#{server_url}"
E
  when Net::HTTPInternalServerError
    error_description.section("Unknown Server Error:",<<-E)
The server had a fatal error attempting to load the node data.
E
    error_description.section("Server Response:", format_rest_error)
  when Net::HTTPBadGateway, Net::HTTPServiceUnavailable
    error_description.section("Server Unavailable","The Chef Server is temporarily unavailable")
    error_description.section("Server Response:", format_rest_error)
  else
    error_description.section("Unexpected API Request Failure:", format_rest_error)
  end
end

#server_urlObject


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 116

def server_url
  config[:chef_server_url]
end

#usernameObject


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# File 'lib/chef/formatters/error_inspectors/registration_error_inspector.rb', line 106

def username
  #config[:node_name]
  config[:validation_client_name]
end