Workflow Management
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File System (FS) Action Parameters

Allows manipulation of files and directories in HDFS from a workflow application.

Table 7.42. FS Action, General Parameters

Parameter NameDescriptionAdditional InformationExample
CommandOptions are mkdir, delete, move, chmod, touchz, chgrpCommands are executed synchronously within the FS action, but the workflow job waits until the commands are completed before continuing to the next action.delete
PathThe path to which the command will be applied.  hdfs://wfm.openstacklocal/user/test
Job XMLYou can select one or more job.xml files to pass Java configuration elements. The configuration file that specifies the variables used for the Java action in the workflow. Can be overwritten or replaced by entries under the Configuration section. 

Table 7.43. FS Action, Transition Parameters

Parameter NameDescriptionAdditional InformationDefault Setting
Error ToIndicates what action to take if the action errors out. You can modify this setting in the dialog box or by modifying the workflow graph.Defaults to kill node, but can be changed.
OK ToIndicates what node to transition to if the action succeeds.You can modify this setting in the dialog box or by modifying the workflow graph.Defaults to the next node in the workflow.

Table 7.44. FS Action, Advanced Properties Parameters

Parameter NameDescriptionAdditional InformationExample
Name NodeManages the file system metadata. Keeps the directory tree of all files in the file system, and tracks where across the cluster the file data is kept. Clients contact NameNode for file metadata or file modifications.${nameNode}

Table 7.45. FS Action, Configuration Parameters

Parameter NameDescriptionAdditional InformationExample
Name and ValueThe name/value pair can be used instead of a job.xml file or can override parameters set in the job.xml file.Used to specify formal parameters. If the name and value are specified, the user can override the values from the Submit dialog box. Can be parameterized (templatized) using EL expressions.