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Add AnchorsAweigh option to ByteReader to toggle YAML alias/anchor expansion

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This commit is contained in:
monopole
2021-09-15 16:20:53 -07:00
parent c47fc48607
commit dce4ea5846
4 changed files with 111 additions and 32 deletions
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16
api/resource/factory.go
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@@ -143,7 +143,7 @@ func (rf *Factory) resourcesFromRNodes(
return
}
func (rf *Factory) RNodesFromBytes(b []byte) (result []*yaml.RNode, err error) {
func (rf *Factory) RNodesFromBytes(b []byte) ([]*yaml.RNode, error) {
nodes, err := kio.FromBytes(b)
if err != nil {
return nil, err
@@ -152,9 +152,17 @@ func (rf *Factory) RNodesFromBytes(b []byte) (result []*yaml.RNode, err error) {
if err != nil {
return nil, err
}
return rf.inlineAnyEmbeddedLists(nodes)
}
// inlineAnyEmbeddedLists scans the RNode slice for nodes named FooList.
// Such nodes are expected to be lists of resources, each of type Foo.
// These lists are replaced in the result by their inlined resources.
func (rf *Factory) inlineAnyEmbeddedLists(
nodes []*yaml.RNode) (result []*yaml.RNode, err error) {
var n0 *yaml.RNode
for len(nodes) > 0 {
n0 := nodes[0]
nodes = nodes[1:]
n0, nodes = nodes[0], nodes[1:]
kind := n0.GetKind()
if !strings.HasSuffix(kind, "List") {
result = append(result, n0)
@@ -164,7 +172,7 @@ func (rf *Factory) RNodesFromBytes(b []byte) (result []*yaml.RNode, err error) {
var m map[string]interface{}
m, err = n0.Map()
if err != nil {
return nil, err
return nil, fmt.Errorf("trouble expanding list of %s; %w", kind, err)
}
items, ok := m["items"]
if !ok {