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1048b399fd
* rename appRollout and add more fine tune tests * improve rollout * do not advance AC if we are not rolling * fix e2e test bug * fix the test
42 lines
2.0 KiB
Go
42 lines
2.0 KiB
Go
package workloads
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import (
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"context"
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"github.com/oam-dev/kubevela/apis/standard.oam.dev/v1alpha1"
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)
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// WorkloadController is the interface that all type of cloneSet controller implements
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type WorkloadController interface {
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// Size returns the total number of pods in the resources according to the spec
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Size(ctx context.Context) (int32, error)
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// VerifySpec makes sure that the resources can be upgraded according to the rollout plan
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// it returns new rollout status
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VerifySpec(ctx context.Context) (*v1alpha1.RolloutStatus, error)
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// Initialize make sure that the resource is ready to be upgraded
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// this function is tasked to change rollout status
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Initialize(ctx context.Context) (*v1alpha1.RolloutStatus, error)
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// RolloutOneBatchPods tries to upgrade pods in the resources following the rollout plan
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// it will upgrade as many pods as the rollout plan allows at once, the routine does not block on any operations.
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// Instead, we rely on the go-client's requeue mechanism to drive this towards the spec goal
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// it returns the number of pods upgraded in this round
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RolloutOneBatchPods(ctx context.Context) (*v1alpha1.RolloutStatus, error)
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// CheckOneBatchPods checks how many pods are ready to serve requests in the current batch
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// it returns whether the number of pods upgraded in this round satisfies the rollout plan
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CheckOneBatchPods(ctx context.Context) (*v1alpha1.RolloutStatus, bool)
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// FinalizeOneBatch makes sure that the rollout can start the next batch
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// it also needs to handle the corner cases around the very last batch
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FinalizeOneBatch(ctx context.Context) (*v1alpha1.RolloutStatus, error)
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// Finalize makes sure the resources are in a good final state.
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// It might depend on if the rollout succeeded or not.
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// For example, we may remove the source object to prevent scalar traits to ever work
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// and the finalize rollout web hooks will be called after this call succeeds
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Finalize(ctx context.Context, succeed bool) (*v1alpha1.RolloutStatus, error)
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}
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