Read files from HDFS with Kerberos

Github Project : kerberos-talend-client

To use a job displayed in this article, you have to complete a repository with saagie's platform information (value).

values example :

• kerberos_login=$username
• kerberos_pwd=$userpassword
• kerberos_principal_name="hdfs/_HOST@<YOUR REALM>"
  • example : "hdfs/[e-mail]"
• uri_path=<full hostname>
  • example : "hdfs://192.168.55.10:8020"

Read a file from HDFS (In console)

• Create a new job
• Add the component tSystem: Allows the creation of a Kerberos connection.
• Add the component tHDFSConnection : Allows the creation of a HDFS connection.
• Add the component tHDFSInput: Read a file in the HDFS.
• Add the component tLogRow: Display the result.
• Create links:
  • tSystem is connected with tHDFSConnection (through "OnSubjobOk")
  • tHDFSConnection is connected with tHDFSInput (through "OnComponentOk")
  • tHDFSInput is connected with tLogRun (through "Main")

Component tSystem

 Component tHDFSConnection

 Component tHDFSInput

• Run the job