fix: allow default empty vars for conditionals (#2570)

# What does this PR do?

We were not using conditionals correctly, conditionals can only be used
when the env variable is set, so `${env.ENVIRONMENT:+}` would return
None is ENVIRONMENT is not set.

If you want to create a conditional value, you need to do
`${env.ENVIRONMENT:=}`, this will pick the value of ENVIRONMENT if set,
otherwise will return None.

Closes: https://github.com/meta-llama/llama-stack/issues/2564

Signed-off-by: Sébastien Han <seb@redhat.com>
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Sébastien Han 2025-07-01 14:42:05 +02:00 committed by GitHub
parent faaeccc6fd
commit 25268854bc
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61 changed files with 236 additions and 211 deletions

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@ -13,7 +13,7 @@ Braintrust scoring provider for evaluation and scoring using the Braintrust plat
## Sample Configuration
```yaml
openai_api_key: ${env.OPENAI_API_KEY:+}
openai_api_key: ${env.OPENAI_API_KEY:=}
```