Resolve trigger configuration from environment variables
#753 ouverte le 17 avr. 2020
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Description
Azure Functions provides a way to load trigger configuration values from an environment variable using an app setting binding expression (i.e. %syntax%) KEDA currently requires some values to be read from an environment variable / secret (e.g. connection strings), but other ones it requires literal values (e.g. queue name). It would be nice if there was also syntax to let KEDA know a value should be resolved from the target deployment environment variable.
Use-Case
As an Azure Functions developer who has built a function with a trigger that uses an app setting binding expression, I want to have similar syntax resolved by KEDA to resolve trigger configuration from environment variables, so that I have a consistent experience with trigger configuration (including connection strings) and am not forced to write alternative solutions such as Helm charts.
Specification
- Trigger configuration should optionally be resolved from environment variables
- KEDA should support syntax which allows a developer to indicate trigger configuration is to be resolved from environment variables
- Syntax used to indicate configuration from environment variables should be consistent for all trigger configuration (not specific to connection strings)