Class: LogStash::Inputs::PacketloopS3

Inherits:
Base
  • Object
show all
Includes:
PluginMixins::AwsConfig::V2
Defined in:
lib/logstash/inputs/packetloop_s3.rb

Overview

Files ending in .gz are handled as gzip’ed files.

Defined Under Namespace

Modules: SinceDB

Instance Method Summary collapse

Instance Method Details

#backup_to_bucket(object) ⇒ Object 



159
160
161
162
163
164
165
166
167
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 159

def backup_to_bucket(object)
  unless @backup_to_bucket.nil?
    backup_key = "#{@backup_add_prefix}#{object.key}"
    @backup_bucket.object(backup_key).copy_from(:copy_source => "#{object.bucket_name}/#{object.key}")
    if @delete
      object.delete()
    end
  end
end

#backup_to_dir(filename) ⇒ Object 



170
171
172
173
174
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 170

def backup_to_dir(filename)
  unless @backup_to_dir.nil?
    FileUtils.cp(filename, @backup_to_dir)
  end
end

#list_new_files ⇒ Object 



130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 130

def list_new_files
  objects = {}
  found = false
  begin
    @s3bucket.objects(:prefix => @prefix).each do |log|
      found = true
      @logger.debug("S3 input: Found key", :key => log.key)
      if ignore_filename?(log.key)
        @logger.debug('S3 input: Ignoring', :key => log.key)
      elsif log.content_length <= 0
        @logger.debug('S3 Input: Object Zero Length', :key => log.key)
      elsif !sincedb.newer?(log.last_modified)
        @logger.debug('S3 Input: Object Not Modified', :key => log.key)
      elsif log.storage_class.start_with?('GLACIER')
        @logger.debug('S3 Input: Object Archived to Glacier', :key => log.key)
      else
        objects[log.key] = log.last_modified
        @logger.debug("S3 input: Adding to objects[]", :key => log.key)
        @logger.debug("objects[] length is: ", :length => objects.length)
      end
    end
    @logger.info('S3 input: No files found in bucket', :prefix => prefix) unless found
  rescue Aws::Errors::ServiceError => e
    @logger.error("S3 input: Unable to list objects in bucket", :prefix => prefix, :message => e.message)
  end
  objects.keys.sort {|a,b| objects[a] <=> objects[b]}
end

#process_files(queue) ⇒ Object 



177
178
179
180
181
182
183
184
185
186
187
188
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 177

def process_files(queue)
  objects = list_new_files

  objects.each do |key|
    if stop?
      break
    else
      @logger.debug("S3 input processing", :bucket => @bucket, :key => key)
      process_log(queue, key)
    end
  end
end

#register ⇒ Object 



89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 89

def register
  require "fileutils"
  require "digest/md5"
  require "aws-sdk-resources"

  @logger.info("Registering s3 input", :bucket => @bucket, :region => @region)

  s3 = get_s3object

  @s3bucket = s3.bucket(@bucket)

  unless @backup_to_bucket.nil?
    @backup_bucket = s3.bucket(@backup_to_bucket)
    begin
      s3.client.head_bucket({ :bucket => @backup_to_bucket})
    rescue Aws::S3::Errors::NoSuchBucket
      s3.create_bucket({ :bucket => @backup_to_bucket})
    end
  end

  unless @backup_to_dir.nil?
    Dir.mkdir(@backup_to_dir, 0700) unless File.exists?(@backup_to_dir)
  end

  FileUtils.mkdir_p(@temporary_directory) unless Dir.exist?(@temporary_directory)

  if !@watch_for_new_files && original_params.include?('interval')
    logger.warn("`watch_for_new_files` has been disabled; `interval` directive will be ignored.")
  end
end

#run(queue) ⇒ Object 



121
122
123
124
125
126
127
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 121

def run(queue)
  @current_thread = Thread.current
  Stud.interval(@interval) do
    process_files(queue)
    stop unless @watch_for_new_files
  end
end

#stop ⇒ Object 



191
192
193
194
195
196
 
# File 'lib/logstash/inputs/packetloop_s3.rb', line 191

def stop
  # @current_thread is initialized in the `#run` method,
  # this variable is needed because the `#stop` is a called in another thread
  # than the `#run` method and requiring us to call stop! with a explicit thread.
  Stud.stop!(@current_thread)
end