Bump github.com/open-policy-agent/opa from 0.39.0 to 0.40.0

[dependabot[bot]]

Bumps github.com/open-policy-agent/opa from 0.39.0 to 0.40.0.

Release notes

Sourced from github.com/open-policy-agent/opa's releases.

v0.40.0

This release contains a number of fixes and enhancements.

Metadata introspection

The rich metadata added in the v0.38.0 release can now be introspected from the policies themselves!

package example
METADATA
title: Edits by owner only
description: |
Only the owner is allowed to edit their data.
deny[{"allowed": false, "message": rego.metadata.rule().description}] {
input.user != input.owner
}

This snippet will evaluate to

[{
  "allowed": false,
  "message": "Only the owner is allowed to edit their data.\n"
}]

Both the rule's metadata can be accessed, via rego.metadata.rule(), and the entire chain of metadata attached to the rule via the various scopes that different metadata annotations can have, via rego.metadata.chain().

All the details can be found in the documentation of these new built-in functions.

Function mocking

It is now possible to mock functions in tests! Both built-in and non-built-in functions can be mocked:

package authz
import data.jwks.cert
import data.helpers.extract_token
allow {
[true, _, _] = io.jwt.decode_verify(extract_token(input.headers), {"cert": cert, "iss": "corp.issuer.com"})
}
test_allow {
allow
with input.headers as []
with data.jwks.cert as "mock-cert"
with io.jwt.decode_verify as [true, {}, {}] # mocked built-in
with extract_token as "my-jwt"              # mocked non-built-in
}

For further information about policy testing with data and function mock, see the Policy Testing docs. All details about with can be found in its Policy Language section.

... (truncated)

Changelog

Sourced from github.com/open-policy-agent/opa's changelog.

0.40.0

This release contains a number of fixes and enhancements.

Metadata introspection

The rich metadata added in the v0.38.0 release can now be introspected from the policies themselves!

package example
METADATA
title: Edits by owner only
description: |
Only the owner is allowed to edit their data.
deny[{"allowed": false, "message": rego.metadata.rule().description}] {
input.user != input.owner
}

This snippet will evaluate to

[{
  "allowed": false,
  "message": "Only the owner is allowed to edit their data.\n"
}]

Both the rule's metadata can be accessed, via rego.metadata.rule(), and the entire chain of metadata attached to the rule via the various scopes that different metadata annotations can have, via rego.metadata.chain().

All the details can be found in the documentation of these new built-in functions.

Function mocking

It is now possible to mock functions in tests! Both built-in and non-built-in functions can be mocked:

package authz
import data.jwks.cert
import data.helpers.extract_token
allow {
[true, _, _] = io.jwt.decode_verify(extract_token(input.headers), {"cert": cert, "iss": "corp.issuer.com"})
}
test_allow {
allow
with input.headers as []
with data.jwks.cert as "mock-cert"
with io.jwt.decode_verify as [true, {}, {}] # mocked built-in

... (truncated)

Commits

• b3c8d80 Prepare v0.40.0 Release (#4631)
• 39125a0 downloader: support for downloading bundles from an OCI registry (#4558)
• 2f6b417 format: keep whitespaces for multiple indented same-line withs (#4635)
• 7e50293 ast+topdown+planner: replacement of non-built-in functions via 'with' (#4616)
• 02c1c1e bundle/status: Include bundle type in status information
• 654b245 docs: update version in kubernetes examples (#4627)
• 8e79fc9 build(deps): bump github.com/fsnotify/fsnotify v1.5.2 -> v1.5.4 (#4628)
• 4154d99 Dockerfile: add source annotation (#4626)
• b481f00 topdown/net: require prefix length for IPv6 in net.cidr_merge (#4613)
• eb94b73 website: add playground button to navbar (#4622)
• Additional commits viewable in compare view

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