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* VAULT-19278 First draft of static secret caching docs * VAULT-19278 Add warning to Agent docs, fix capitalization * VAULT-19278 typos/formatting * VAULT-19278 changelog * VAULT-19278 update based on PR feedback * VAULT-19278 review feedback * VAULT-19278 Update based on review * VAULT-19278 update based on PR feedback * VAULT-19278 incorporate a lot of PR feedback * VAULT-19278 Rest of the suggestions * VAULT-19278 I missed a suggestion * VAULT-19278 More updates * VAULT-19278 add docs for disable dynamic secret caching * VAULT-19278 update changelog * VAULT-19278 update based on comments
26 lines
1.3 KiB
Plaintext
26 lines
1.3 KiB
Plaintext
---
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layout: docs
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page_title: Kubernetes - Vault Agent Persistent Cache
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description: Kubernetes Persistent Cache for Vault Agent Caching
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---
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# Vault Agent Kubernetes persistent cache
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When `kubernetes` is configured for the persistent cache type, Vault Agent will optimize the
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persistent cache specifically for Kubernetes. This type of persistent cache requires a Kubernetes
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service account token. The service account token is used during encryption and decryption of the
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persistent cache as an additional integrity check.
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The Vault Agent persistent cache file in Kubernetes should only be used for handing off Vault tokens
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and leases between initialization and sidecar Vault Agent containers. This cache file should be shared
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using a memory volume between the Vault Agent containers.
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If the Vault Agent Injector for Kubernetes is being used, the persistent cache is automatically configured
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and used if the annotation [`vault.hashicorp.com/agent-cache-enable: true`](/vault/docs/platform/k8s/injector/annotations#vault-hashicorp-com-agent-cache-enable) is set.
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## Configuration
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- `service_account_token_file` `(string: optional)` - When type is set to `kubernetes`,
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this configures the path on disk where the Kubernetes service account token can be found.
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Defaults to `/var/run/secrets/kubernetes.io/serviceaccount/token`.
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