feat(diffprocessor): add --function-registry flag to override function image registry#2
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…n image registry Introduces a CLI flag that rewrites the registry portion of every function package ref before functions are pulled, via a RegistryOverrideFunctionProvider that wraps the default provider. Refs: CLOUDR-1645 Signed-off-by: Stephen Cahill <stephen.cahill@datadoghq.com>
- Drop redundant explicit type from functionProvider declaration; use a type conversion at the call site to keep the variable typed as the FunctionProvider interface. - Add doc comments on RegistryOverrideFunctionProvider.GetFunctionsForComposition and .Cleanup. Signed-off-by: Stephen Cahill <stephen.cahill@datadoghq.com>
…rride The flag always rewrites the registry portion of every function package ref; "override" reads more accurately than the flag setting "the" function registry, and aligns with the existing RegistryOverrideFunctionProvider type name. Renames: - --function-registry -> --function-registry-override - CommonCmdFields.FunctionRegistry -> .FunctionRegistryOverride - ProcessorConfig.FunctionRegistry -> .FunctionRegistryOverride - WithFunctionRegistry -> WithFunctionRegistryOverride Refs: CLOUDR-1645 Signed-off-by: Stephen Cahill <stephen.cahill@datadoghq.com>
Adds the new flag to the xr and comp flag tables and a "Function Registry Override" section parallel to the existing "Function Credentials" section, covering when to use the flag and how it rewrites package refs. Refs: CLOUDR-1645 Signed-off-by: Stephen Cahill <stephen.cahill@datadoghq.com>
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Description of your changes
Adds a
--function-registry-overrideCLI flag that rewrites the registry portion of every function package reference at diff time, via a newRegistryOverrideFunctionProviderthat wraps the defaultFunctionProvider. The path, tag, and/or digest in each ref are preserved — only the registry hostname is replaced. Useful in air-gapped environments, behind corporate proxies, or when pulling function images from a registry mirror.The override applies to both standard tag refs (
registry/path:tag) and digest refs (registry/path@sha256:...). Refs without a/are left untouched. The flag only affects howcrossplane-diffpulls images locally — it does not modifyFunctionresources or anything in the cluster.Example:
--function-registry-override my-company.registry.iorewritesxpkg.crossplane.io/crossplane-contrib/function-go-templating:v0.11.0tomy-company.registry.io/crossplane-contrib/function-go-templating:v0.11.0.Refs: CLOUDR-1645
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earthly -P +reviewableto ensure this PR is ready for review.