Class: MnUtilsLogging::SiteAction

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/mn_utils_gem/site_action.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SiteAction

Returns a new instance of SiteAction.



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# File 'lib/mn_utils_gem/site_action.rb', line 29

def initialize
  # add new site actions here under the relevant group
  # NO DUPLICATES please - a site action can only exist under one group
  @_site_actions_and_groups = {
      test: [
          :test_event_1,
          :test_event_2
      ],
      reg: [
          :reg_success_via_email,
          :reg_success_via_google,
          :reg_success_via_facebook,
          :reg_attempt_invalid_email,
          :reg_attempt_invalid_password,
          :reg_attempt_invalid_username,
          :reg_conf_link_email_success,
          :reg_conf_link_email_fail,
          :reg_welcome_email_success,
          :reg_welcome_email_fail,
          :reg_conf_remind_email_success,
          :reg_conf_remind_email_fail,
          :bn_reg_email_success,
          :bn_reg_email_fail,
          :bn_reg_activation_email_success,
          :bn_reg_activation_email_fail,
          :insight_welcome_email_success,
          :insight_welcome_email_fail,
          :bn_reg_success,
          :bn_reg_fail
      ],
      auth: [
          :login_success_via_email,
          :login_success_via_google,
          :login_success_via_facebook,
          :login_attempt_invalid_email,
          :login_attempt_nonexistent_email,
          :login_attempt_invalid_password,
          :login_attempt_incorrect_password
      ],
      account: [
          :email_change_conf_link_email_success,
          :email_change_conf_link_email_fail,
          :pwd_reset_link_email_success,
          :pwd_reset_link_email_fail,
          :dereg_rqst_email_success,
          :dereg_rqst_email_fail
      ],
      pm: [
          :pm_notif_email_success,
          :pm_notif_email_fail
      ],
      talk: [
          :watch_thread_notif_email_success,
          :watch_thread_notif_email_fail,
          :media_rqst_welcome_email_success,
          :media_rqst_welcome_email_fail,
          :mention_notif_email_success,
          :mention_notif_email_fail
      ],
      voting: [
          :aibu_vote_success
      ],
      admin: [
          :admin_email_success,
          :admin_email_fail,
      ],
      email: [
          :send_email_success,
          :send_email_fail
      ],
      misc: [
          :unknown_email_success,
          :unknown_email_fail
      ]
  }.freeze

  # check for duplicates, and throw a tantrum if any are found
  tmp_map = {}
  @_site_actions_and_groups.each do |k, arr|
    arr.each do |v|
      raise ArgumentError, "Site action #{v} is declared more than once" \
          if tmp_map.key? v
      tmp_map[v] = true
    end
  end

  # create a reverse map of all site actions and their corresponding group
  # for quick lookups by the code
  @_site_action_group_map = Hash[*(@_site_actions_and_groups.map {|k, arr| arr.map {|v| [v, k]}}.flatten)].freeze

  # setup the logger
  @logger = defined?(Rails) ? Rails.logger : Logger.new(STDOUT)
end

Instance Method Details

#log(message, site_action, payload = {}) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/mn_utils_gem/site_action.rb', line 123

def log(message, site_action, payload = {})

  # validate the parameters
  raise ArgumentError, 'message cannot be blank' \
    if message.blank?
  raise ArgumentError, 'site_action must be a symbol' \
    unless site_action.is_a?(Symbol)
  raise ArgumentError, 'payload must be a hash' \
    unless payload.is_a?(Hash)
  raise ArgumentError, 'site_action value is not in allowed list' \
    unless @_site_action_group_map.key? site_action

  # validate the payload hash
  payload.each do |key, value|
    raise ArgumentError, "payload key #{key} must be a symbol" \
      unless key.is_a?(Symbol)
    key_string = key.to_s
    raise ArgumentError, "payload key #{key} must begin with an underscore" \
      unless key_string.chars.first == '_'
    raise ArgumentError, "payload key #{key} must be at least 2 characters long" \
      unless key_string.length >= 2
    raise ArgumentError, "payload key cannot be _id" \
      if key_string == '_id'
    raise ArgumentError, "payload value for key #{key} must be a string or symbol" \
      unless value.is_a?(String) || value.is_a?(Symbol)
  end

  # validate required environment variables if we are in production
  if ENV.key?( 'CLOUDWATCH_ROOT_NAMESPACE') \
      || ENV.key?('GRAYLOG_GELF_UDP_HOST') \
      || ENV.key?('GRAYLOG_GELF_UDP_PORT')
    raise ArgumentError, "ENV['CLOUDWATCH_ROOT_NAMESPACE'] is required" \
      unless ENV.key? 'CLOUDWATCH_ROOT_NAMESPACE'
    raise ArgumentError, "ENV['GRAYLOG_GELF_UDP_HOST'] is required" \
      unless ENV.key? 'GRAYLOG_GELF_UDP_HOST'
    raise ArgumentError, "ENV['GRAYLOG_GELF_UDP_PORT'] is required" \
      unless ENV.key? 'GRAYLOG_GELF_UDP_PORT'
    raise ArgumentError, "ENV['SITE_HOSTNAME'] is required" \
      unless ENV.key? 'SITE_HOSTNAME'
    raise ArgumentError, "ENV['SRV_CODE'] is required" \
      unless ENV.key? 'SRV_CODE'
  end

  site_action_group = @_site_action_group_map[site_action]

  # setup the full payload
  full_payload = payload.dup
  full_payload[:short_message] = message
  full_payload[:_site_action_group] = site_action_group
  full_payload[:_site_action] = site_action

  # add other data to the payload if available
  full_payload[:_srv_code] = ENV['SRV_CODE'] if ENV.key? 'SRV_CODE'
  full_payload[:_site_hostname] = ENV['SITE_HOSTNAME'] if ENV.key? 'SITE_HOSTNAME'
  full_payload[:_request_id] ||= RequestStore.store[:request_id] if RequestStore.store[:request_id]
  full_payload[:_remote_ip] = RequestStore.store[:remote_ip] if RequestStore.store[:remote_ip]

  # send it off
  send_to_graylog full_payload
  send_to_cloudwatch(site_action_group, site_action, full_payload[:_site_hostname])
end

#log_metric_only(site_action) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/mn_utils_gem/site_action.rb', line 185

def log_metric_only(site_action)
  
  # validate the parameters
  raise ArgumentError, 'site_action must be a symbol' \
    unless site_action.is_a?(Symbol)
  raise ArgumentError, 'site_action value is not in allowed list' \
    unless @_site_action_group_map.key? site_action

  # validate required environment variables if we are in production
  if ENV.key?( 'CLOUDWATCH_ROOT_NAMESPACE')
    raise ArgumentError, "ENV['SITE_HOSTNAME'] is required" \
      unless ENV.key? 'SITE_HOSTNAME'
  end

  site_action_group = @_site_action_group_map[site_action]

  send_to_cloudwatch(site_action_group, site_action, ENV['SITE_HOSTNAME'])
end