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44 lines
1.9 KiB
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44 lines
1.9 KiB
Plaintext
---
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layout: docs
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page_title: Vault Auto-Auth OCI (Oracle Cloud Infrastructure) Method
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description: OCI (Oracle Cloud Infrastructure) Method for Vault Auto-Auth
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---
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# Vault Auto-Auth OCI (Oracle Cloud infrastructure) method
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The `oci` method performs authentication against the [OCI Auth
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method](/vault/docs/auth/oci).
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## Credentials
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The method use to authenticate is set using the `type` parameter. Valid values are `apikey` to authenticate using
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API Key credentials and `instance` for Instance Principal credentials.
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If `apikey` is used, the Vault agent will use the first credential it can successfully obtain in the following order:
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1. Environment variables:
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- `OCI_tenancy_ocid`
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- `OCI_user_ocid`
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- `OCI_fingerprint`
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- `OCI_private_key_path`
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2. Configuration file in `$HOME/.oci/config`
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3. Path to configuration file defined in the `OCI_CONFIG_FILE` environment variable
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4. Configuration file in `$HOME/.obmcs/config`
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Wherever possible, we recommend using instance principal for credentials. These are rotated automatically by OCI
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and require no effort on your part to provision, making instance principal the most secure of the three methods. If
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using instance principal _and_ a custom `credential_poll_interval`, be sure the frequency is set to a value that is less
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than OCI's rotation frequency. This is currently documented as
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[multiple times a day](https://docs.oracle.com/en-us/iaas/Content/Identity/Tasks/callingservicesfrominstances.htm#faq),
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but from experience, credentials are rotated every 10 to 15 minutes.
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## Configuration
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### General
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- `type` `(string: required)` - The type of authentication to use. Valid values are `apikey` and `instance`.
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- `role` `(string: required)` - The role to authenticate against on Vault.
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- `credential_poll_interval` `(duration: "60s", optional)` - In seconds, how frequently the Vault auto-auth method should check for new credentials.
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