Chamila de Alwis created STRATOS-1180:
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Summary: Modify extension execution structure in Python Cartridge
Agent
Key: STRATOS-1180
URL: https://issues.apache.org/jira/browse/STRATOS-1180
Project: Stratos
Issue Type: Task
Components: Cartridge Agent
Reporter: Chamila de Alwis
Fix For: 4.1.0 RC1
Currently we have bash scripts as extensions however if we could introduce a
python extension layer in between that would make it much easier to implement
extension logic.
The current extension setup is as follows. A set of bash scripts are available
in the <PCA_HOME>/extensions. The file name of the extension that should be
executed for each event is defined in the agent configuration (agent.conf in
PCA, stratos.sh in JCA). The event handler executes these bash scripts as new
shell commands when the respective events are received.
We can introduce a layer between the bash scripts and the python code that
calls them. The names of the python scripts corresponding to each event can be
defined as before.
Additionally we can extend this behavior to the Git artifact management
component of the PCA. The contract that the artifact management component
should adhere to is "checkout" and "push". We can separate the current python
code relating to these two operations in to two extension scripts.
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