Varnish Controller 7.3.0 Release

After installing this upgrade, make sure to start Brainz before the Router. More details are in the upgrade notes.

• Fix potential transfer problems of transferring agents between organizations when running routers in grace mode.
• Provide internal metrics under new endpoint /api/v1/internal-metrics.
• Keep ownership when transferring an agent or router to another organization.
• Statistics can now be pruned with vcli stats prune ... command and via the API with a DELETE /api/v1/stats.
• In DNS traffic routing, reply with a NOERROR instead of a SERVFAIL if we do not have any records to respond in the DNS traffic router.
• When filtering vcli results, the new accept-empty flag allows empty results without giving an error.
• ACME certificate acquisition timeout is configurable with acme-timeout parameter.
• Retry failed ACME certificate acquisitions after five minutes.
• ACME CAA checks got more resilient regarding NXDOMAIN DNS responses.
• Extended ACME related log messages.
• The ACME DNS endpoint can now be looked up though vcli acme lookup-dns ... and via the API with a POST /api/v1/acme/dns-record.
• Allow for schema-less base urls.
• vcli can now read the password from the environment variable VARNISH_CONTROLLER_CLI_PASSWORD.
• UI: Added support for ACME upstream validations (DNS only).
• UI: Fixed a status alert bug related to the controller license.
• UI: Fixed a bug related to disappearing routing rules in VCL Groups.
• UI: Improved scaling of pop-ups on the CDN map when zooming.
• UI: Improved the informational message for cluster.vcl in the editor.
• UI: Added the ability to see which VCLGroups are attached to a domain in the UI. Previously, only certificates were shown, now the domain detail page includes a filtered list of connected VCLGroups.
• UI: Added new feature in VCLgroups (Rollback) to display file names, versions, and descriptions for better visibility.

See Varnish Controller Changelog for more details on the changes and the upgrade notes for more details on how to upgrade.