Kubernetes Submit Queue da31d920f5 Merge pull request #47846 from ncdc/jsonpath-filter-allow-missing-intermediate-keys
Automatic merge from submit-queue

jsonpath filter: allow intermediate missing keys

**What this PR does / why we need it**:
In jsonpath, when filtering a list, if allowMissingKeys is true, skip
over any items that are missing an intermediate key in the filter,
instead of returning a confusing error.

For example, if the filter is

{.items[?(@.metadata.annotations.foo=="bar")].metadata.name}

we should return all items where metadata.annotations.foo == bar, but if
an item in the list does not have metadata, metadata.annotations, or
metadata.annotations.foo, skip it instead of erroring.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #45546 

**Special notes for your reviewer**:

**Release note**:

```release-note
Fixed a bug where a jsonpath filter would return an error if one of the items being evaluated did not contain all of the nested elements in the filter query.
```

cc @timothysc @smarterclayton @stevekuznetsov @mengqiy @liggitt @kubernetes/sig-api-machinery-pr-reviews
2017-07-14 17:34:20 -07:00
2017-03-08 09:59:30 -08:00
2017-07-11 11:21:18 -07:00

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