Class: Fluent::IkachanOutput

Inherits:
Output
  • Object
show all
Defined in:
lib/fluent/plugin/out_ikachan.rb

Instance Method Summary collapse

Constructor Details

#initializeIkachanOutput

Returns a new instance of IkachanOutput.



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# File 'lib/fluent/plugin/out_ikachan.rb', line 24

def initialize
  super
  require 'net/http'
  require 'uri'
end

Instance Method Details

#configure(conf) ⇒ Object



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# File 'lib/fluent/plugin/out_ikachan.rb', line 30

def configure(conf)
  super

  if @base_uri.nil?
    if @host.nil? or @port.nil?
      raise Fluent::ConfigError, 'If `base_uri is nil, both `host` and `port` must be specifed'
    end
    # if only specifed "ssl true", scheme is https
    scheme = @ssl == true ? "https" : "http"
    @base_uri = "#{scheme}://#{@host}:#{@port}/"
  end

  unless @base_uri =~ /\/$/
    raise Fluent::ConfigError, '`base_uri` must be end `/`'
  end

  # auto enable ssl option by base_uri scheme if ssl is not specifed
  if @ssl.nil?
    @ssl = @base_uri =~ /^https:/ ? true : false
  end

  if ( @base_uri =~ /^https:/ and @ssl == false ) || ( @base_uri =~ /^http:/ and @ssl == true )
    raise Fluent::ConfigError, 'conflict `base_uri` scheme and `ssl`'
  end

  @channel = '#' + @channel

  @join_uri = URI.join(@base_uri, "join")
  @notice_uri = URI.join(@base_uri, "notice")
  @privmsg_uri = URI.join(@base_uri, "privmsg")

  @out_keys = @out_keys.split(',')
  @privmsg_out_keys = @privmsg_out_keys.split(',')

  if @message.nil? and @privmsg_message.nil?
    raise Fluent::ConfigError, "Either 'message' or 'privmsg_message' must be specifed."
  end

  begin
    @message % (['1'] * @out_keys.length) if @message
  rescue ArgumentError
    raise Fluent::ConfigError, "string specifier '%s' and out_keys specification mismatch"
  end

  begin
    @privmsg_message % (['1'] * @privmsg_out_keys.length) if @privmsg_message
  rescue ArgumentError
    raise Fluent::ConfigError, "string specifier '%s' of privmsg_message and privmsg_out_keys specification mismatch"
  end

  if @time_key
    if @time_format
      f = @time_format
      tf = Fluent::TimeFormatter.new(f, true) # IRC notification is formmatted as localtime only...
      @time_format_proc = tf.method(:format)
      @time_parse_proc = Proc.new {|str| Time.strptime(str, f).to_i }
    else
      @time_format_proc = Proc.new {|time| time.to_s }
      @time_parse_proc = Proc.new {|str| str.to_i }
    end
  end
end

#emit(tag, es, chain) ⇒ Object



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# File 'lib/fluent/plugin/out_ikachan.rb', line 107

def emit(tag, es, chain)
  posts = []

  es.each do |time,record|
    if @message
      posts << [:notice, evaluate_message(@message, @out_keys, tag, time, record)]
    end
    if @privmsg_message
      posts << [:privmsg, evaluate_message(@privmsg_message, @privmsg_out_keys, tag, time, record)]
    end
  end

  posts.each do |type, msg|
    uri = (type == :privmsg ? @privmsg_uri : @notice_uri)
    begin
      if @post_per_line
        msg.split("\n").each do |m|
          res = http_post_request(uri, {'channel' => @channel, 'message' => m})
        end
      else
        res = http_post_request(uri, {'channel' => @channel, 'message' => msg})
      end
    rescue
      log.warn "out_ikachan: failed to send notice to #{@host}:#{@port}, #{@channel}, message: #{msg}"
    end
  end

  chain.next
end

#shutdownObject



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# File 'lib/fluent/plugin/out_ikachan.rb', line 104

def shutdown
end

#startObject



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# File 'lib/fluent/plugin/out_ikachan.rb', line 93

def start
  res = http_post_request(@join_uri, {'channel' => @channel})
  if res.is_a?(Net::HTTPSuccess)
    # ok
  elsif res.is_a?(Net::HTTPForbidden) and res.body == "joinned channel: #{@channel}"
    # ok
  else
    raise Fluent::ConfigError, "failed to connect ikachan server #{@host}:#{@port}"
  end
end