forked from pivotal-cf/on-demand-service-broker
/
manifest_comparator.go
44 lines (35 loc) · 1.05 KB
/
manifest_comparator.go
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package task
import (
"fmt"
"reflect"
"github.com/pivotal-cf/on-demand-services-sdk/bosh"
"gopkg.in/yaml.v2"
)
func ManifestsAreTheSame(generateManifest, oldManifest []byte) (bool, error) {
regeneratedManifest, err := marshalBoshManifest(generateManifest)
if err != nil {
return false, err
}
ignoreUpdateBlock(®eneratedManifest)
boshManifest, err := marshalBoshManifest(oldManifest)
if err != nil {
return false, err
}
ignoreUpdateBlock(&boshManifest)
manifestsSame := reflect.DeepEqual(regeneratedManifest, boshManifest)
return manifestsSame, nil
}
func marshalBoshManifest(rawManifest []byte) (bosh.BoshManifest, error) {
var boshManifest bosh.BoshManifest
err := yaml.Unmarshal(rawManifest, &boshManifest)
if err != nil {
return bosh.BoshManifest{}, fmt.Errorf("error detecting change in manifest, unable to unmarshal manifest: %s", err)
}
return boshManifest, nil
}
func ignoreUpdateBlock(manifest *bosh.BoshManifest) {
manifest.Update = nil
for i := range manifest.InstanceGroups {
manifest.InstanceGroups[i].Update = nil
}
}