[GitHub] [pulsar] candlerb opened a new issue #5650: pulsar-admin: avoid changing working directory

[GitBox <gi...@apache.org>]

candlerb opened a new issue #5650: pulsar-admin: avoid changing working directory
URL: https://github.com/apache/pulsar/issues/5650
 
 
   **Is your feature request related to a problem? Please describe.**
   When pulsar-admin starts, the first thing it does is [change the working directory](https://github.com/apache/pulsar/blob/master/bin/pulsar-admin#L26).
   
   This causes several problems.
   
   (1) Any filename you give on the command line cannot be in the current directory
   
   ```
   $ ls womble.yaml
   womble.yaml
   
   $ pulsar-admin functions create --function-config-file womble.yaml
   womble.yaml (No such file or directory)
   ```
   
   2. Even if you give an absolute path on the command line, any path *within* the function-config-file also cannot be in the current directory
   
   ```
   $ ls func1.py womble.yaml
   func1.py  womble.yaml
   
   $ cat womble.yaml
   tenant: public
   namespace: default
   name: womble
   py: func1.py
   className: func1.FirstFunction
   inputs: [my-topic]
   
   $ apache-pulsar-2.4.1/bin/pulsar-admin functions create --function-config-file /home/ubuntu/womble.yaml
   The specified python file does not exist
   ```
   
   **Describe the solution you'd like**
   Not to change directory.
   
   There must be some reason for it - there is a comment saying `Change to PULSAR_HOME to support relative paths` - but I'm not sure what it means by that.  Is it working around some Java implementation issue?
   
   If changing directory makes it more convenient for pulsar itself, it makes it less convenient for the user of pulsar.
   
   **Describe alternatives you've considered**
   Using pulsarctl instead - but that's not fully baked yet.
   
   **Additional context**
   N/A
   

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