Gator CLI to render print statements output from rego code to stdout

[jestadi0795]

Just hoping to see if we can view print statements in rego code to be rendered as output when using Gator CLI so that debugging/developing a policy can be much faster.

Slack Conversation - https://openpolicyagent.slack.com/archives/CDTN970AX/p1691700736253819

[maxsmythe]

It looks like print statements are not currently printed.

An interim option would be to use the trace() statement and set the --trace flag, which should inject text into the Rego trace. This is probably a better method for development/debug, as more contextual information is provided.

For potential implementation...

Printing could be enabled by setting the appropriate PrintEnabled() and PrintHook() arguments in the Rego driver:

https://github.com/open-policy-agent/frameworks/blob/e24af74adbaeb6c3e9e71d7ef88d63389fa6a3fb/constraint/pkg/client/drivers/rego/args.go#L63-L77

[stale]

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