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16 lines
779 B
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16 lines
779 B
Markdown
<small>*[documentation](/README.md#documentation) / Writing Policies*</small>
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# Writing Policies
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The following picture shows the structure of a Kyverno Policy:
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Each Kyverno policy contains one or more rules. Each rule has a `match` clause, an optional `exclude` clause, and one of a `mutate`, `validate`, or `generate` clause.
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Each rule can validate, mutate, or generate configurations of matching resources. A rule definition can contain only a single **mutate**, **validate**, or **generate** child node.
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These actions are applied to the resource in described order: mutation, validation and then generation.
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---
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<small>*Read Next >> [Selecting Resources](/documentation/writing-policies-match-exclude.md)*</small>
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