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Closes https://github.com/coder/internal/issues/510 <details> <summary> Refactoring Summary </summary> ### 1) `CalculateActions` Function #### Issues Before Refactoring: - Large function (~150 lines), making it difficult to read and maintain. - The control flow is hard to follow due to complex conditional logic. - The `ReconciliationActions` struct was partially initialized early, then mutated in multiple places, making the flow error-prone. Original source:fe60b569ad/coderd/prebuilds/state.go (L13-L167)
#### Improvements After Refactoring: - Simplified and broken down into smaller, focused helper methods. - The flow of the function is now more linear and easier to understand. - Struct initialization is cleaner, avoiding partial and incremental mutations. Refactored function:eeb0407d78/coderd/prebuilds/state.go (L67-L84)
--- ### 2) `ReconciliationActions` Struct #### Issues Before Refactoring: - The struct mixed both actionable decisions and diagnostic state, which blurred its purpose. - It was unclear which fields were necessary for reconciliation logic, and which were purely for logging/observability. #### Improvements After Refactoring: - Split into two clear, purpose-specific structs: - **`ReconciliationActions`** — defines the intended reconciliation action. - **`ReconciliationState`** — captures runtime state and metadata, primarily for logging and diagnostics. Original struct:fe60b569ad/coderd/prebuilds/reconcile.go (L29-L41)
</details> --------- Signed-off-by: Danny Kopping <dannykopping@gmail.com> Co-authored-by: Sas Swart <sas.swart.cdk@gmail.com> Co-authored-by: Danny Kopping <dannykopping@gmail.com> Co-authored-by: Dean Sheather <dean@deansheather.com> Co-authored-by: Spike Curtis <spike@coder.com> Co-authored-by: Danny Kopping <danny@coder.com>
28 lines
1022 B
Go
28 lines
1022 B
Go
package prebuilds
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import (
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"context"
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)
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// ReconciliationOrchestrator manages the lifecycle of prebuild reconciliation.
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// It runs a continuous loop to check and reconcile prebuild states, and can be stopped gracefully.
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type ReconciliationOrchestrator interface {
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Reconciler
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// RunLoop starts a continuous reconciliation loop that periodically calls ReconcileAll
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// to ensure all prebuilds are in their desired states. The loop runs until the context
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// is canceled or Stop is called.
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RunLoop(ctx context.Context)
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// Stop gracefully shuts down the orchestrator with the given cause.
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// The cause is used for logging and error reporting.
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Stop(ctx context.Context, cause error)
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}
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type Reconciler interface {
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// ReconcileAll orchestrates the reconciliation of all prebuilds across all templates.
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// It takes a global snapshot of the system state and then reconciles each preset
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// in parallel, creating or deleting prebuilds as needed to reach their desired states.
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ReconcileAll(ctx context.Context) error
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}
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