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32 lines
1.1 KiB
Go
32 lines
1.1 KiB
Go
package applicationdeployment
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import (
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"github.com/oam-dev/kubevela/apis/core.oam.dev/v1alpha2"
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"github.com/oam-dev/kubevela/pkg/controller/utils"
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)
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// FindCommonComponent finds the common components in both the source and target application
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// the source can be nil
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func FindCommonComponent(targetApp, sourceApp *v1alpha2.ApplicationConfiguration) []string {
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var commonComponents []string
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if sourceApp == nil {
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for _, comp := range targetApp.Spec.Components {
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commonComponents = append(commonComponents, utils.ExtractComponentName(comp.RevisionName))
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}
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return commonComponents
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}
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// find the common components in both the source and target application
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// write an O(N) algorithm just for fun, totally doesn't worth the extra space
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targetComponents := make(map[string]bool)
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for _, comp := range targetApp.Spec.Components {
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targetComponents[utils.ExtractComponentName(comp.RevisionName)] = true
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}
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for _, comp := range sourceApp.Spec.Components {
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revisionName := utils.ExtractComponentName(comp.RevisionName)
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if targetComponents[revisionName] {
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commonComponents = append(commonComponents, revisionName)
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}
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}
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return commonComponents
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}
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