如何在FTP源Flume代理中保留文件的原始基名

Question

我配置了一个flume代理，它从一个FTP服务器读取数据，并将文件发送到hdfs接收器。我最大的问题是，我想用它们的原始文件名在hdfs中存储文件。我试着用Spooldir source，它工作得很好，可以用它们的basename在hdfs中存储文件，但是flume agent crush:

1） 如果文件在放入假脱机目录后被写入，Flume将在其日志文件中打印错误并停止处理。

2） 如果稍后重用文件名，Flume将在其日志文件中打印错误并停止处理。

事实上，spoldir-Source不适合我的用例。那么，有没有办法让ftp源代码保留文件名，然后，hdfs根据文件名单独存储文件。

这是我的代理：

agent.sources = r1
agent.channels = c1
agent.sinks = k

#configure ftp source
agent.sources.r1.type = org.keedio.flume.source.mra.source.Source
agent.sources.r1.client.source = sftp
agent.sources.r1.name.server = ip
agent.sources.r1.user = user
agent.sources.r1.password = pwd
agent.sources.r1.port = 22
agent.sources.r1.knownHosts = ~/.ssh/known_hosts
agent.sources.r1.work.dir = /DATA/flume_ftp_source
agent.sources.r1.fileHeader = true
agent.sources.r1.basenameHeader = true
agent.sources.r1.inputCharset = ISO-8859-1
agent.sources.r1.flushlines = true

#configure sink s1
agent.sinks.k.type = hdfs
agent.sinks.k.hdfs.path =  hdfs://hostname:8020/user/admin/DATA/import_flume/agents/agent1/%Y/%m/%d/%H
agent.sinks.k.hdfs.filePrefix = %{basename}
agent.sinks.k.hdfs.rollCount = 0
agent.sinks.k.hdfs.rollInterval = 0
agent.sinks.k.hdfs.rollSize = 0
agent.sinks.k.hdfs.useLocalTimeStamp = true
agent.sinks.k.hdfs.batchsize =    1000000
agent.sinks.k.hdfs.fileType = DataStream

agent.channels.c1.type = memory
agent.channels.c1.capacity =  1000000
agent.channels.c1.transactionCapacity =   1000000

agent.sources.r1.channels = c1
agent.sinks.k.channel = c1

Answer 1

正如我所说，根据以下代码更新：修复了Flume FTP源，这是我如何使用%{basename}变量的方法：

##############
# COMPONENTS #
##############
myPrj.sources = source_01
myPrj.channels = channel_01
myPrj.sinks = sink_01

############
# BINDINGS #
############
myPrj.sources.source_01.channels = channel_01
myPrj.sinks.sink_01.channel = channel_01

###########
# CHANNEL #
###########
myPrj.channels.channel_01.type = memory
myPrj.channels.channel_01.capacity = 10000
myPrj.channels.channel_01.transactionCapacity = 10000

##########
# SOURCE #
##########
myPrj.sources.source_01.type = org.keedio.flume.source.ftp.source.Source

myPrj.sources.source_01.client.source = ftp
myPrj.sources.source_01.name.server = 127.0.0.1
myPrj.sources.source_01.user = myPrj
myPrj.sources.source_01.password = myPrj
myPrj.sources.source_01.port = 21

#myPrj.sources.source_01.security.enabled = true
#myPrj.sources.source_01.security.cipher = TLS
#myPrj.sources.source_01.security.certificate.enabled = true
#myPrj.sources.source_01.path.keystore = /paht/to/keystore
#myPrj.sources.source_01.store.pass = the_keyStore_password 

myPrj.sources.source_01.run.discover.delay = 5000
myPrj.sources.source_01.flushlines = false
myPrj.sources.source_01.chunk.size = 33554432

myPrj.sources.source_01.folder = /home/foo/app-flume-ftp-hdfs
myPrj.sources.source_01.file.name = flume-ftp-hdfs.ser

myPrj.sources.source_01.fileHeader = true
myPrj.sources.source_01.basenameHeader = true

# Deserializer
myPrj.sources.source_01.deserializer = org.apache.flume.sink.solr.morphline.BlobDeserializer$Builder
myPrj.sources.source_01.deserializer.maxBlobLength = 33554432

########
# SINK #
########
#myPrj.sinks.sink_01.type = logger
myPrj.sinks.sink_01.type = hdfs
myPrj.sinks.sink_01.hdfs.path = /user/foo/ftp_source/%Y/%m/%d/%H/%M/%{basename}
myPrj.sinks.sink_01.hdfs.filePrefix = FTP_SOURCE
myPrj.sinks.sink_01.hdfs.useLocalTimeStamp = true
myPrj.sinks.sink_01.hdfs.rollCount = 0
myPrj.sinks.sink_01.hdfs.rollInterval = 0
myPrj.sinks.sink_01.hdfs.batchSize = 100

# Data compressed
#myPrj.sinks.sink_01.hdfs.rollSize = 33554432
#myPrj.sinks.sink_01.hdfs.codeC = gzip
#myPrj.sinks.sink_01.hdfs.fileType = CompressedStream

# Data no compressed
myPrj.sinks.sink_01.hdfs.rollSize = 33554432
myPrj.sinks.sink_01.hdfs.fileType = DataStream

Answer 2

我刚刚给flume ftp github项目推了一个解决方案:

菲利普·KR

关于如何修复属性%｛basename｝丢失的事实，有什么窍门吗？