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Fixes issues from code review of resilience implementation:
- Wire saga system in main.go (SagaRepository, SagaExecutor, SagaHandler)
- Fix CompletedSteps() to include skipped steps for dependency resolution
- Fix reverse loop bug in saga compensation (use standard swap pattern)
- Add circuit breaker state change callbacks for Prometheus metrics
Phase 1 (Build Resilience):
- Add failure:retry to all component Kaniko build steps
- Add preflight registry health check before builds
- Add services-deployed sync point to decouple docs from critical path
Phase 2 (API Resilience):
- Add pipeline retry endpoint (POST /projects/{id}/pipelines/{number}/retry)
- Wire circuit breakers with metrics callbacks
- Add /health/circuits endpoint for circuit breaker status
Phase 3 (Saga Engine):
- Full domain model (Saga, SagaStep, RetryPolicy, BackoffType)
- PostgreSQL saga repository with CRUD and step management
- Saga executor with retry, compensation, skip step support
- Saga API handlers with CRUD and control operations
Phase 4 (Observability):
- Add saga metrics (total, step_duration, retry, circuit_breaker_state)
- Add logging fields (saga_id, saga_name, step_name)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
// Package port defines interfaces (ports) for external dependencies.
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package port
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import (
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"context"
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"github.com/orchard9/rdev/internal/domain"
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)
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// SagaRepository manages saga persistence.
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type SagaRepository interface {
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// Create creates a new saga with its steps.
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Create(ctx context.Context, saga *domain.Saga) error
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// Get returns a saga by ID, including all steps.
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Get(ctx context.Context, id string) (*domain.Saga, error)
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// Update updates a saga's status and metadata (not steps).
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Update(ctx context.Context, saga *domain.Saga) error
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// UpdateStep updates a single step's status and output.
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UpdateStep(ctx context.Context, step *domain.SagaStep) error
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// List returns sagas matching the given filters.
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List(ctx context.Context, filters domain.SagaFilters) ([]*domain.Saga, error)
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// Delete removes a saga and its steps.
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Delete(ctx context.Context, id string) error
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// GetPendingSteps returns steps ready to execute (no unmet dependencies).
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GetPendingSteps(ctx context.Context, sagaID string) ([]domain.SagaStep, error)
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}
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// SagaExecutor executes saga workflows.
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type SagaExecutor interface {
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// Execute runs a saga from the beginning.
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Execute(ctx context.Context, saga *domain.Saga) error
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// Resume continues execution of a paused or failed saga.
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Resume(ctx context.Context, sagaID string) error
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// Compensate runs compensation steps for a failed saga.
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Compensate(ctx context.Context, sagaID string) error
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// RetryStep retries a specific failed step.
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RetryStep(ctx context.Context, sagaID, stepName string) error
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// SkipStep skips a step and continues execution.
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SkipStep(ctx context.Context, sagaID, stepName string) error
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}
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