148 lines
6.7 KiB
Plaintext
148 lines
6.7 KiB
Plaintext
---
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layout: docs
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page_title: Upgrading to Vault 0.11.0 - Guides
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description: |-
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This page contains the list of deprecations and important or breaking changes
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for Vault 0.11.0. Please read it carefully.
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---
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# Overview
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This page contains the list of deprecations and important or breaking changes
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for Vault 0.11.0 compared to 0.10.0. Please read it carefully.
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## Known Issues
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### Nomad Integration
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Users that integrate Vault with Nomad should hold off on upgrading. A modification to
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Vault's API is causing a runtime issue with the Nomad to Vault integration.
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### Minified JSON Policies
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Users that generate policies in minfied JSON may cause a parsing errors due to
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a regression in the policy parser when it encounters repeating brackets. Although
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HCL is the official language for policies in Vault, HCL is JSON compatible and JSON
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should work in place of HCL. To work around this error, pretty print the JSON policies
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or add spaces between repeating brackets. This regression will be addressed in
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a future release.
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### Common Mount Prefixes
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Before running the upgrade, users should run `vault secrets list` and `vault auth list`
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to check their mount table to ensure that mounts do not have common prefix "folders".
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For example, if there is a mount with path `team1/` and a mount with path `team1/secrets`,
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Vault will fail to unseal. Before upgrade, these mounts must be remounted at a path that
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does not share a common prefix.
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## Changes Since 0.10.4
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### Request Timeouts
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A default request timeout of 90s is now enforced. This setting can be
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overwritten in the config file. If you anticipate requests taking longer than
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90s this setting should be configured before upgrading.
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### `sys/` Top Level Injection
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For the last two years for backwards compatibility data for various `sys/`
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routes has been injected into both the Secret's Data map and into the top level
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of the JSON response object. However, this has some subtle issues that pop up
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from time to time and is becoming increasingly complicated to maintain, so it's
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finally being removed.
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### Path Fallback for List Operations
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For a very long time Vault has automatically adjusted `list` operations to
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always end in a `/`, as list operations operates on prefixes, so all list
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operations by definition end with `/`. This was done server-side so affects all
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clients. However, this has also led to a lot of confusion for users writing
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policies that assume that the path that they use in the CLI is the path used
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internally. Starting in 0.11, ACL policies gain a new fallback rule for
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listing: they will use a matching path ending in `/` if available, but if not
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found, they will look for the same path without a trailing `/`. This allows
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putting `list` capabilities in the same path block as most other capabilities
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for that path, while not providing any extra access if `list` wasn't actually
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provided there.
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### Performance Standbys On By Default
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If your flavor/license of Vault Enterprise supports Performance Standbys, they
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are on by default. You can disable this behavior per-node with the
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`disable_performance_standby` configuration flag.
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### AWS Secret Engine Roles
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Roles in the AWS Secret Engine were previously ambiguous. For example, if the
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`arn` parameter had been specified, that could have been interpreted as the ARN
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of an AWS IAM policy to attach to an IAM user or it could have been the ARN of
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an AWS role to assume. Now, types are explicit, both in terms of what
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credential type is being requested (e.g., an IAM User or an Assumed Role?) as
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well as the parameters being sent to vault (e.g., the IAM policy document
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attached to an IAM user or used during a GetFederationToken call). All
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credential retrieval remains backwards compatible as does updating role data.
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However, the data returned when reading role data is now different and
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breaking, so anything which reads role data out of Vault will need to be
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updated to handle the new role data format.
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While creating/updating roles remains backwards compatible, the old parameters
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are now considered deprecated. You should use the new parameters as documented
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in the API docs.
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As part of this, the `/aws/creds/` and `/aws/sts/` endpoints have been merged,
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with the behavior only differing as specified below. The `/aws/sts/` endpoint
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is considered deprecated and should only be used when needing backwards
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compatibility.
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All roles will be automatically updated to the new role format when accessed.
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However, due to the way role data was previously being stored in Vault, it's
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possible that invalid data was stored that both make the upgrade impossible as
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well as would have made the role unable to retrieve credentials. In this
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situation, the previous role data is returned in an `invalid_data` key so you
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can inspect what used to be in the role and correct the role data if desired.
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One consequence of the prior AWS role storage format is that a single Vault
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role could have led to two different AWS credential types being retrieved when
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a `policy` parameter was stored. In this case, these legacy roles will be
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allowed to retrieve both IAM User and Federation Token credentials, with the
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credential type depending on the path used to access it (IAM User if accessed
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via the `/aws/creds/<role_name>` endpoint and Federation Token if accessed via
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the `/aws/sts/<role_name>` endpoint).
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## Full List Since 0.10.0
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### Revocations of dynamic secrets leases now asynchronous
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Dynamic secret lease revocation are now queued/asynchronous rather
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than synchronous. This allows Vault to take responsibility for revocation
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even if the initial attempt fails. The previous synchronous behavior can be
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attained via the `-sync` CLI flag or `sync` API parameter. When in
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synchronous mode, if the operation results in failure it is up to the user
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to retry.
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### CLI Retries
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The CLI will no longer retry commands on 5xx errors. This was a
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source of confusion to users as to why Vault would "hang" before returning a
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5xx error. The Go API client still defaults to two retries.
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### Identity Entity Alias metadata
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You can no longer manually set metadata on
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entity aliases. All alias data (except the canonical entity ID it refers to)
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is intended to be managed by the plugin providing the alias information, so
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allowing it to be set manually didn't make sense.
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### Convergent Encryption version 3
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If you are using `transit`'s convergent encryption feature, which prior to this
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release was at version 2, we recommend
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[rotating](/api-docs/secret/transit#rotate-key)
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your encryption key (the new key will use version 3) and
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[rewrapping](/api-docs/secret/transit#rewrap-data)
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your data to mitigate the chance of offline plaintext-confirmation attacks.
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### PKI duration return types
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The PKI backend now returns durations (e.g. when reading a role) as an integer
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number of seconds instead of a Go-style string.
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