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upgrade to latest dependencies (#201)
bumping knative.dev/hack 93ad912...509255f: > 509255f Do not print debug info when running release.sh (# 71) bumping knative.dev/pkg 4564797...8d4b5e0: > 8d4b5e0 [release-0.23] allow unknown metadata fields (# 2256) > a0d1c92 Drop redundant pointers and decoders (# 2261) bumping knative.dev/eventing 200e54c...4e6cde3: > 4e6cde3 [release-0.23] [PingSource] disable @every (# 5591) > a5a8f89 Fix subtest client scope (# 5532) > ecc1c20 Update Knative dependency for release-0.23 (# 5470) > aa5d54e Fix cloudevent adapter panic (# 5425) > e3ad363 Add podAntiAffinity labels to remaining HA control plane pods (# 5413) bumping knative.dev/serving 35efb31...48178da: > 48178da Update Knative dependency for release-0.23 (# 11465) Signed-off-by: Knative Automation <automation@knative.team>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| /* | ||
| Copyright 2021 The Knative 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 json | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "io" | ||
| ) | ||
|
|
||
| var ( | ||
| emptyMeta = []byte(`:{}`) | ||
| metaPrefix = []byte(`{"metadata"`) | ||
| metaSuffix = []byte(`}`) | ||
| ) | ||
|
|
||
| var ( | ||
| // Unmarshal is an alias for json.Unmarshal | ||
| Unmarshal = json.Unmarshal | ||
|
|
||
| //Marshal is an alias for json.Marshal | ||
| Marshal = json.Marshal | ||
| ) | ||
|
|
||
| // Decode will parse the json byte array to the target object. When | ||
| // unknown fields are _not_ allowed we still accept unknown | ||
| // fields in the Object's metadata | ||
| // | ||
| // See https://github.com/knative/serving/issues/11448 for details | ||
| func Decode(bites []byte, target interface{}, disallowUnknownFields bool) error { | ||
| if !disallowUnknownFields { | ||
| return json.Unmarshal(bites, target) | ||
| } | ||
|
|
||
| // If we don't allow unknown fields we skip validating fields in the metadata | ||
| // block since that is opaque to us and validated by the API server | ||
| start, end, err := findMetadataOffsets(bites) | ||
| if err != nil { | ||
| return err | ||
| } else if start == -1 || end == -1 { | ||
| // If for some reason the json does not have metadata continue with normal parsing | ||
| dec := json.NewDecoder(bytes.NewReader(bites)) | ||
| dec.DisallowUnknownFields() | ||
| return dec.Decode(target) | ||
| } | ||
|
|
||
| before := bites[:start] | ||
| metadata := bites[start:end] | ||
| after := bites[end:] | ||
|
|
||
| // Parse everything but skip metadata | ||
| dec := json.NewDecoder(io.MultiReader( | ||
| bytes.NewReader(before), | ||
| bytes.NewReader(emptyMeta), | ||
| bytes.NewReader(after), | ||
| )) | ||
|
|
||
| dec.DisallowUnknownFields() | ||
| if err := dec.Decode(target); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Now we parse just the metadata | ||
| dec = json.NewDecoder(io.MultiReader( | ||
| bytes.NewReader(metaPrefix), | ||
| bytes.NewReader(metadata), | ||
| bytes.NewReader(metaSuffix), | ||
| )) | ||
|
|
||
| if err := dec.Decode(target); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func findMetadataOffsets(bites []byte) (start, end int64, err error) { | ||
| start, end = -1, -1 | ||
| level := 0 | ||
|
|
||
| var ( | ||
| dec = json.NewDecoder(bytes.NewReader(bites)) | ||
| t json.Token | ||
| ) | ||
|
|
||
| for { | ||
| t, err = dec.Token() | ||
| if err == io.EOF { //nolint | ||
| break | ||
| } | ||
| if err != nil { | ||
| return | ||
| } | ||
|
|
||
| switch v := t.(type) { | ||
| case json.Delim: | ||
| if v == '{' { | ||
| level++ | ||
| } else if v == '}' { | ||
| level-- | ||
| } | ||
| case string: | ||
| if v == "metadata" && level == 1 { | ||
| start = dec.InputOffset() | ||
| x := struct{}{} | ||
| if err = dec.Decode(&x); err != nil { | ||
| return -1, -1, err | ||
| } | ||
| end = dec.InputOffset() | ||
|
|
||
| // we exit early to stop processing the rest of the object | ||
| return | ||
| } | ||
| } | ||
| } | ||
| return -1, -1, nil | ||
| } |
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