Class: Fluent::TreasureDataLogOutput
- Inherits:
-
BufferedOutput
- Object
- BufferedOutput
- Fluent::TreasureDataLogOutput
show all
- Defined in:
- lib/fluent/plugin/out_tdlog.rb
Defined Under Namespace
Classes: Anonymizer, IPXORAnonymizer, MD5Anonymizer, RawAnonymizer
Constant Summary
collapse
- IMPORT_SIZE_LIMIT =
32 * 1024 * 1024
Instance Method Summary
collapse
-
#check_table_exists(key) ⇒ Object
-
#configure(conf) ⇒ Object
-
#emit(tag, es, chain) ⇒ Object
-
#ensure_database_and_table(database, table) ⇒ Object
-
#format_stream(tag, es) ⇒ Object
-
#initialize ⇒ TreasureDataLogOutput
constructor
A new instance of TreasureDataLogOutput.
-
#start ⇒ Object
-
#summarize_record(record) ⇒ Object
-
#upload(database, table, io, size, unique_id) ⇒ Object
-
#validate_database_and_table_name(database, table, conf) ⇒ Object
-
#write(chunk) ⇒ Object
Constructor Details
Returns a new instance of TreasureDataLogOutput.
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# File 'lib/fluent/plugin/out_tdlog.rb', line 77
def initialize
require 'fileutils'
require 'tempfile'
require 'zlib'
require 'net/http'
require 'json'
require 'cgi' require 'time' require 'digest/md5'
require 'stringio'
super
@tmpdir = nil
@apikey = nil
@key = nil
@key_num_limit = 512 @record_size_limit = 32 * 1024 * 1024 @table_list = {}
@auto_create_table = true
@use_ssl = true
@empty_gz_data = TreasureData::API.create_empty_gz_data
@user_agent = "fluent-plugin-td: #{TreasureDataPlugin::VERSION}".freeze
end
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Instance Method Details
#check_table_exists(key) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 312
def check_table_exists(key)
unless @table_list.has_key?(key)
database, table = key.split('.', 2)
log.debug "checking whether table '#{database}.#{table}' exists on Treasure Data"
io = StringIO.new(@empty_gz_data)
begin
@client.import(database, table, "msgpack.gz", io, io.size)
@table_list[key] = true
rescue TreasureData::NotFoundError
raise "Table #{key.inspect} does not exist on Treasure Data. Use 'td table:create #{database} #{table}' to create it."
rescue => e
log.warn "failed to check existence of '#{database}.#{table}' table on Treasure Data", :error => e.inspect
log.debug_backtrace e.backtrace
end
end
end
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# File 'lib/fluent/plugin/out_tdlog.rb', line 100
def configure(conf)
super
if @buffer.respond_to?(:buffer_chunk_limit=) && !conf['buffer_chunk_limit']
@buffer.buffer_chunk_limit = IMPORT_SIZE_LIMIT
end
if conf.has_key?('tmpdir')
@tmpdir = conf['tmpdir']
FileUtils.mkdir_p(@tmpdir)
end
@apikey = conf['apikey']
unless @apikey
raise ConfigError, "'apikey' parameter is required on tdlog output"
end
if auto_create_table = conf['auto_create_table']
if auto_create_table.empty?
@auto_create_table = true
else
@auto_create_table = Config.bool_value(auto_create_table)
if @auto_create_table == nil
raise ConfigError, "'true' or 'false' is required for auto_create_table option on tdlog output"
end
end
end
if use_ssl = conf['use_ssl']
if use_ssl.empty?
@use_ssl = true
else
@use_ssl = Config.bool_value(use_ssl)
if @use_ssl == nil
raise ConfigError, "'true' or 'false' is required for use_ssl option on tdlog output"
end
end
end
database = conf['database']
table = conf['table']
if database && table
validate_database_and_table_name(database, table, conf)
@key = "#{database}.#{table}"
end
@anonymizes = {}
conf.elements.select { |e|
e.name == 'anonymize'
}.each { |e|
key = e['key']
method = e['method']
case method
when 'md5'
scr = MD5Anonymizer.new
when 'ip_xor'
scr = IPXORAnonymizer.new
else
raise ConfigError, "Unknown anonymize method: #{method}"
end
scr.configure(e)
@anonymizes[key] = scr
}
if @anonymizes.empty?
@anonymizes = nil
else
log.warn "<anonymize> feature is deprecated and will be removed. Use fluent-plugin-anonymizer instead."
end
@http_proxy = conf['http_proxy']
end
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#emit(tag, es, chain) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 195
def emit(tag, es, chain)
if @key
key = @key
else
database, table = tag.split('.')[-2,2]
database = TreasureData::API.normalize_database_name(database)
table = TreasureData::API.normalize_table_name(table)
key = "#{database}.#{table}"
end
unless @auto_create_table
check_table_exists(key)
end
super(tag, es, chain, key)
end
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#ensure_database_and_table(database, table) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 342
def ensure_database_and_table(database, table)
log.info "Creating table #{database}.#{table} on TreasureData"
begin
@client.create_log_table(database, table)
rescue TreasureData::NotFoundError
@client.create_database(database)
@client.create_log_table(database, table)
rescue TreasureData::AlreadyExistsError
end
end
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# File 'lib/fluent/plugin/out_tdlog.rb', line 212
def format_stream(tag, es)
out = ''
off = out.bytesize
es.each { |time, record|
begin
if @anonymizes
@anonymizes.each_pair { |key, scr|
if value = record[key]
record[key] = scr.anonymize(value)
end
}
end
record['time'] = time
record.delete(:time) if record.has_key?(:time)
if record.size > @key_num_limit
raise "Too many number of keys (#{record.size} keys)" end
rescue => e
log.error "#{e}: #{summarize_record(record)}"
log.error_backtrace e.backtrace
next
end
begin
record.to_msgpack(out)
rescue RangeError
TreasureData::API.normalized_msgpack(record, out)
end
noff = out.bytesize
sz = noff - off
if sz > @record_size_limit
log.warn "Size of a record too large (#{sz} bytes): #{summarize_record(record)}"
end
off = noff
}
out
end
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#start ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 176
def start
super
client_opts = {
:ssl => @use_ssl, :http_proxy => @http_proxy, :user_agent => @user_agent, :endpoint => @endpoint,
:connect_timeout => @connect_timeout, :read_timeout => @read_timeout, :send_timeout => @send_timeout
}
@client = TreasureData::Client.new(@apikey, client_opts)
if @key
if @auto_create_table
database, table = @key.split('.',2)
ensure_database_and_table(database, table)
else
check_table_exists(@key)
end
end
end
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#summarize_record(record) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 258
def summarize_record(record)
json = Yajl.dump(record)
if json.size > 100
json[0..97] + "..."
else
json
end
end
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#upload(database, table, io, size, unique_id) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 288
def upload(database, table, io, size, unique_id)
unique_str = unique_id.unpack('C*').map { |x| "%02x" % x }.join
log.trace { "uploading logs to Treasure Data database=#{database} table=#{table} (#{size}bytes)" }
begin
begin
start = Time.now
@client.import(database, table, "msgpack.gz", io, size, unique_str)
rescue TreasureData::NotFoundError => e
unless @auto_create_table
raise e
end
ensure_database_and_table(database, table)
io.pos = 0
retry
end
rescue => e
elapsed = Time.now - start
ne = RuntimeError.new("Failed to upload to Treasure Data '#{database}.#{table}' table: #{e.inspect} (#{size} bytes; #{elapsed} seconds)")
ne.set_backtrace(e.backtrace)
raise ne
end
end
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#validate_database_and_table_name(database, table, conf) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 329
def validate_database_and_table_name(database, table, conf)
begin
TreasureData::API.validate_database_name(database)
rescue => e
raise ConfigError, "Invalid database name #{database.inspect}: #{e}: #{conf}"
end
begin
TreasureData::API.validate_table_name(table)
rescue => e
raise ConfigError, "Invalid table name #{table.inspect}: #{e}: #{conf}"
end
end
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#write(chunk) ⇒ Object
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# File 'lib/fluent/plugin/out_tdlog.rb', line 267
def write(chunk)
unique_id = chunk.unique_id
database, table = chunk.key.split('.', 2)
FileUtils.mkdir_p(@tmpdir) unless @tmpdir.nil?
f = Tempfile.new("tdlog-", @tmpdir)
w = Zlib::GzipWriter.new(f)
chunk.write_to(w)
w.finish
w = nil
size = f.pos
f.pos = 0
upload(database, table, f, size, unique_id)
ensure
w.close if w
f.close if f
end
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