[Feature] [Platform] ArangoRoute Redirect

[ajanikow]

No description provided.

[Copilot]

Pull Request Overview

This PR adds redirect functionality to the ArangoRoute resource, allowing routes to respond with HTTP 301 (Moved Permanently) or 307 (Temporary Redirect) redirect responses instead of proxying to upstream services.

Key Changes:

• Added ArangoRouteSpecDestinationRedirect API type to configure redirect target and status code (defaults to 307)
• Implemented redirect handling in route handlers and Envoy gateway configuration
• Extended checksum utility with filtered string array functions for improved hash calculations

Reviewed Changes

Copilot reviewed 17 out of 17 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
pkg/util/checksum.sha256.go	Added helper functions for filtering empty strings in hash calculations
pkg/apis/networking/v1beta1/route_spec_destination_redirect.go	New API type defining redirect configuration with validation for allowed codes (301, 307)
pkg/apis/networking/v1beta1/route_status_target_redirect.go	Status representation of redirect configuration
pkg/apis/networking/v1beta1/route_status_target_type.go	Added redirect target type constant
pkg/apis/networking/v1beta1/route_spec_destination.go	Integrated redirect as a mutually exclusive destination option
pkg/apis/networking/v1beta1/route_status_target.go	Added redirect field to status and updated hash calculation
pkg/handlers/networking/route/handler_destination_redirect.go	Handler implementation for processing redirect destinations
pkg/handlers/networking/route/handler_destination.go	Added redirect handler invocation to destination processing
pkg/deployment/resources/gateway/gateway_config_destination_type.go	Added redirect destination type to gateway config enum
pkg/deployment/resources/gateway/gateway_config_destination_redirect.go	Gateway-level redirect configuration with validation
pkg/deployment/resources/gateway/gateway_config_destination.go	Envoy route action generation for redirect responses
pkg/handlers/networking/route/handler_destination_redirect_test.go	Comprehensive test coverage for redirect scenarios including valid/invalid configurations
pkg/apis/networking/v1beta1/zz_generated.deepcopy.go	Generated deep copy methods for redirect types
pkg/crd/crds/networking-route.schema.generated.yaml	CRD schema updates for redirect configuration
pkg/apis/shared/validate.go	Added ValidateMultiPath utility for multiple validators on same field
docs/api/ArangoRoute.V1Beta1.md	Documentation for redirect configuration fields
CHANGELOG.md	Added feature entry

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