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Contents
#
# Fluentd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'fluent/plugin/formatter'
require 'csv'
module Fluent
module Plugin
class CsvFormatter < Formatter
Plugin.register_formatter('csv', self)
config_param :delimiter, default: ',' do |val|
['\t', 'TAB'].include?(val) ? "\t" : val
end
config_param :force_quotes, :bool, default: true
# "array" looks good for type of :fields, but this implementation removes tailing comma
# TODO: Is it needed to support tailing comma?
config_param :fields, :array, value_type: :string
config_param :add_newline, :bool, default: true
def configure(conf)
super
@fields = fields.select{|f| !f.empty? }
raise ConfigError, "empty value is specified in fields parameter" if @fields.empty?
@generate_opts = {col_sep: @delimiter, force_quotes: @force_quotes}
end
def format(tag, time, record)
row = @fields.map do |key|
record[key]
end
line = CSV.generate_line(row, @generate_opts)
line.chomp! unless @add_newline
line
end
end
end
end
Version data entries
86 entries across 86 versions & 2 rubygems