dnsnameresolver

package module

v0.0.0-...-91dd227 Latest Latest Go to latest Published: Sep 12, 2025 License: Apache-2.0 Imports: 26 Imported by: 0

Details

This is a CoreDNS plugin that works together with Kube-OVN to implement the FQDN Egress Firewall in Network Policy API.

The origin code comes from coredns-ocp-dnsnameresolver with following modifications:

Change DNSNameResolver scope from namespaced to cluster to better implement Network Policy API.
Remove DNS to IP mapping, using listers to simplify the logical.
Remove plugin args.
Update the build process to use community base images.
Update dependencies.

View Source

const (
	ConditionDegraded = "Degraded"
)

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type DNSNameResolver struct {
	Next plugin.Handler
	// contains filtered or unexported fields
}

DNSNameResolver is a plugin that looks up responses from other plugins and updates the status of DNSNameResolver objects.

func New() *DNSNameResolver

New returns an initialized DNSNameResolver with default settings.

func (resolver *DNSNameResolver) Name() string

Name implements the Handler interface.

func (resolver *DNSNameResolver) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg) (int, error)

ServeDNS implements the plugin.Handler interface.