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Environment Variables¶

Cloudgene supports several environment variables that can be used in your cloudgene.yaml files to get informations about the application itself and the submitted job.

Requirements¶

Variable	Description
`${hadoop_installed}`
`${docker_installed}`
`${r_markdown_installed}`

Application¶

Variable	Description
`${app_local_folder}`	The path of the application directory. This is the directory where your `cloudgene.yaml` file is located.
`${app_hdfs_folder}`	The path of the application HDFS directory. This is the directory where you should put meta files.
`${local_app_folder}`	Deprecreated. Please use `${app_local_folder}`
`${hdfs_app_folder}`	Deprecreated Please use `${app_hdfs_folder}`
`${workdir}`	Deprecreated. Please use `${app_local_folder}`

Job¶

Variable	Description
`${job_id}`	The id of the submitted job.
`${job_local_output}`	The workspace folder of the submitted job.
`${job_local_temp}`	The folder of the submitted job that can be used for temporary files. After the job is completed all files within this folder are deleted automatically.
`${job_hdfs_output}`	The workspace HDFS folder of the submitted job in.
`${job_hdfs_temp}`	The HDFS folder of the submitted job that can be used for temporary files. After the job is completed all files within this folder are deleted automatically.

User¶

Variable	Description
`${user_username}`	The username of the user who submitted the job.
`${user_mail}`	The email address of the user who submitted the job.

Example¶

id: print-username
name: Print Username Example
version: 1.0.0
workflow:
  steps:
    - name: Say hello
        cmd: /bin/echo hey ${user_username}
        stdout: true