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Merge pull request #33659 from macno/patch-1 

Update Validation Rules Examples
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Kubernetes Prow Robot 2022-06-13 22:59:33 -07:00 committed by GitHub
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content/en/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions.md
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@ -811,7 +811,7 @@ Validation Rules Examples:
| `'Available' in self.stateCounts` | Validate that an entry with the 'Available' key exists in a map |
| `(size(self.list1) == 0) != (size(self.list2) == 0)` | Validate that one of two lists is non-empty, but not both |
| <code>!('MY_KEY' in self.map1) &#124;&#124; self['MY_KEY'].matches('^[a-zA-Z]*$')</code> | Validate the value of a map for a specific key, if it is in the map |
| `self.envars.filter(e, e.name = 'MY_ENV').all(e, e.value.matches('^[a-zA-Z]*$')` | Validate the 'value' field of a listMap entry where key field 'name' is 'MY_ENV' |
| `self.envars.filter(e, e.name == 'MY_ENV').all(e, e.value.matches('^[a-zA-Z]*$')` | Validate the 'value' field of a listMap entry where key field 'name' is 'MY_ENV' |
| `has(self.expired) && self.created + self.ttl < self.expired` | Validate that 'expired' date is after a 'create' date plus a 'ttl' duration |
| `self.health.startsWith('ok')` | Validate a 'health' string field has the prefix 'ok' |
| `self.widgets.exists(w, w.key == 'x' && w.foo < 10)` | Validate that the 'foo' property of a listMap item with a key 'x' is less than 10 |
@ -819,6 +819,7 @@ Validation Rules Examples:
| `self.metadata.name.startsWith(self.prefix)` | Validate that an object's name has the prefix of another field value |
| `self.set1.all(e, !(e in self.set2))` | Validate that two listSets are disjoint |
| `size(self.names) == size(self.details) && self.names.all(n, n in self.details)` | Validate the 'details' map is keyed by the items in the 'names' listSet |
| `size(self.clusters.filter(c, c.name == self.primary)) == 1` | Validate that the 'primary' property has one and only one occurrence in the 'clusters' listMap |
Xref: [Supported evaluation on CEL](https://github.com/google/cel-spec/blob/v0.6.0/doc/langdef.md#evaluation)