Bump github.com/nats-io/nats-server/v2 from 2.1.9 to 2.7.1 in /distributor

[dependabot]

Bumps github.com/nats-io/nats-server/v2 from 2.1.9 to 2.7.1.

Release notes

Sourced from github.com/nats-io/nats-server/v2's releases.

Release v2.7.1

Changelog

Go Version

• 1.17.6: Both release executables and Docker images are built with this Go release.

Added

• JetStream:
  • Support for a delay when Nak'ing a message (#2812)
  • Support for a backoff list of times in the consumer configuration (#2812)
• Monitoring:
  • Replication lag metrics added to the jsz endpoint. Thanks to @​mattstep for the contribution (#2791)
  • /healthz endpoint which will return 200 with {status: ok} if and only if all configured ports are opened and, if JetStream is configured, there is contact with the meta leader and is current and all streams are up to date, otherwise returns 503 with { "status": "unavailable", "error": "DESCRIPTION" } body (#2815)

Fixed

• JetStream:
  • Pull consumers have been reworked (#2813)
  • A stream's state number of deleted messages could be negative (#2814)
  • A message's "in progress" request may not be honored in case of consumer's leadership change (#2812)
• Git commit hash was not present in v2.7.0 (#2790)
• Possible deadlock during Client or Leaf JWT authentication (#2803)
• Do not emit warning about plaintext password when only using accounts with NKey and setting system_account (#2811)
• JWT based user/activation token revocation and granularity. Thanks to @​shurya-kumar for the report (#2816)

Complete Changes

nats-io/nats-server@v2.7.0...v2.7.1

Release v2.7.0

Changelog

Notice for JetStream Users

See important note if using LeafNode regarding domains.

Go Version

• 1.17.6: Both release executables and Docker images are built with this Go release.

Added

• Configuration:
  • Ability to configure account limits (max_connections, max_subscriptions, max_payload, max_leafnodes) in server configuration file (#2755)
• JetStream:
  • Overflow placement for streams. A stream can now be placed in the closest cluster from the origin request if it can be placed there (#2771, #2779)
  • Support for ephemeral Pull consumers (client libraries will need to be updated to allow those) (#2776)

... (truncated)

Commits

• 7cf537e Merge pull request #2817 from nats-io/release_2_7_1
• 37ff12c Release v2.7.1
• 7f81f2d Merge pull request #2816 from nats-io/revocation-issue-442
• c5cc81b Fix collectRevocations
• 274ec6d incorporate comments
• 10708c6 Merge pull request #2815 from nats-io/healthz
• fa12d09 Fix jwt based user/activation token revocation and revocation granularity
• 6486cd8 Added in /healthz endpoint for health and liveness probes in environments lik...
• 5e71c90 Merge pull request #2812 from nats-io/backoff
• 6be9925 Update config error
• Additional commits viewable in compare view

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[dependabot]

Superseded by #306.