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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /* | ||
| Copyright 2024 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package loopstart | ||
|
|
||
| import "errors" | ||
|
|
||
| // Observer interface is used to store object that needed to be refreshed in each CA loop. | ||
| // It returns error and a bool value whether the loop should be skipped. | ||
| type Observer interface { | ||
| Refresh() (bool, error) | ||
| } | ||
|
|
||
| // ObserversList interface is used to store objects that needed to be refreshed in each CA loop. | ||
| type ObserversList struct { | ||
| observers []Observer | ||
| } | ||
|
|
||
| // Refresh refresh observers each CA loop. | ||
| func (l *ObserversList) Refresh() (stopLoop bool, err error) { | ||
| var resultErr error | ||
| if l.observers == nil { | ||
| return false, nil | ||
| } | ||
| for _, observer := range l.observers { | ||
| stopLoop, err := observer.Refresh() | ||
| if stopLoop { | ||
| return true, nil | ||
| } | ||
| resultErr = errors.Join(resultErr, err) | ||
| } | ||
| return false, resultErr | ||
| } | ||
|
|
||
| // NewObserversList return new ObserversList. | ||
| func NewObserversList(observers []Observer) *ObserversList { | ||
| return &ObserversList{observers} | ||
| } |
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cluster-autoscaler/processors/provreq/provsioning_request_processor.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| Copyright 2024 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package provreq | ||
|
|
||
| import ( | ||
| "k8s.io/autoscaler/cluster-autoscaler/observers/loopstart" | ||
| "k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqclient" | ||
| "k8s.io/autoscaler/cluster-autoscaler/provisioningrequest/provreqwrapper" | ||
| "k8s.io/client-go/rest" | ||
| ) | ||
|
|
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| // ProvisioningRequestProcessor process ProvisionignRequests in the cluster. | ||
| type ProvisioningRequestProcessor interface { | ||
| Process([]*provreqwrapper.ProvisioningRequest) error | ||
| CleanUp() | ||
| } | ||
|
|
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| type provisioningRequestClient interface { | ||
| ProvisioningRequests() ([]*provreqwrapper.ProvisioningRequest, error) | ||
| ProvisioningRequest(namespace, name string) (*provreqwrapper.ProvisioningRequest, error) | ||
| } | ||
|
|
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| // CombinedProvReqProcessor contains ProvisioningClassProcessor for each ProvisioningClass. | ||
| type CombinedProvReqProcessor struct { | ||
| client provisioningRequestClient | ||
| processors []ProvisioningRequestProcessor | ||
| } | ||
|
|
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| // NewCombinedProvReqProcessor return new CombinedProvReqProcessor. | ||
| func NewCombinedProvReqProcessor(kubeConfig *rest.Config, processors []ProvisioningRequestProcessor) (loopstart.Observer, error) { | ||
| client, err := provreqclient.NewProvisioningRequestClient(kubeConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &CombinedProvReqProcessor{client: client, processors: processors}, nil | ||
| } | ||
|
|
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| // Refresh iterates over ProvisioningRequests and updates its conditions/state. | ||
| func (cp *CombinedProvReqProcessor) Refresh() (bool, error) { | ||
| provReqs, err := cp.client.ProvisioningRequests() | ||
| if err != nil { | ||
| return true, err | ||
| } | ||
| for _, p := range cp.processors { | ||
| if err := p.Process(provReqs); err != nil { | ||
| return false, err | ||
| } | ||
| } | ||
| return false, nil | ||
| } | ||
|
|
||
| // CleanUp cleans up internal state | ||
| func (cp *CombinedProvReqProcessor) CleanUp() {} |
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