c1d7f700c4
* Improve conflict resolution algorithm. * Tweak resource merge algorithms. * Bump test coverage.
44 lines
930 B
Go
44 lines
930 B
Go
package envoy
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import (
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"fmt"
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"reflect"
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"github.com/cortezaproject/corteza-server/pkg/envoy/resource"
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)
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type (
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Marshaller interface {
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MarshalEnvoy() ([]resource.Interface, error)
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}
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)
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// MarshalMerge takes one or more nodes and Marshals and merges all
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func CollectNodes(ii ...interface{}) (nn []resource.Interface, err error) {
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for _, i := range ii {
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// i == nil is not enough in go
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if i == nil || (reflect.ValueOf(i).Kind() == reflect.Ptr && reflect.ValueOf(i).IsNil()) {
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continue
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}
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switch c := i.(type) {
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// case NodeSet:
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// nn = append(nn, c...)
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case resource.Interface:
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nn = append(nn, c)
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case Marshaller:
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if tmp, err := c.MarshalEnvoy(); err != nil {
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return nil, err
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} else {
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nn = append(nn, tmp...)
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}
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default:
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// @todo resoruceset?
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return nil, fmt.Errorf("failed to merge %T; expecting Resource, ResourceSet? or Marshaller interface", i)
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}
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}
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return nn, nil
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}
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