talos/pkg/resources/network/resolver_status.go
Andrey Smirnov 8b8de11d9f feat: implement new controllers for hostname, resolvers and time servers
This is next part of networkd rewrite.

This implements three new resource types coupled with controllers which
process the default configuration, merges and applying changes.

TimeSync was set up to watch the time servers resource. This is a no-op
for now, but once DHCP is implemented, this would enable time server
configuration coming from DHCP.

Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
2021-06-05 12:41:14 -07:00

84 lines
2.2 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package network
import (
"fmt"
"github.com/cosi-project/runtime/pkg/resource"
"github.com/cosi-project/runtime/pkg/resource/meta"
"inet.af/netaddr"
)
// ResolverStatusType is type of ResolverStatus resource.
const ResolverStatusType = resource.Type("ResolverStatuses.net.talos.dev")
// ResolverStatus resource holds DNS resolver info.
type ResolverStatus struct {
md resource.Metadata
spec ResolverStatusSpec
}
// ResolverStatusSpec describes DNS resolvers.
type ResolverStatusSpec struct {
DNSServers []netaddr.IP `yaml:"dnsServers"`
}
// NewResolverStatus initializes a ResolverStatus resource.
func NewResolverStatus(namespace resource.Namespace, id resource.ID) *ResolverStatus {
r := &ResolverStatus{
md: resource.NewMetadata(namespace, ResolverStatusType, id, resource.VersionUndefined),
spec: ResolverStatusSpec{},
}
r.md.BumpVersion()
return r
}
// Metadata implements resource.Resource.
func (r *ResolverStatus) Metadata() *resource.Metadata {
return &r.md
}
// Spec implements resource.Resource.
func (r *ResolverStatus) Spec() interface{} {
return r.spec
}
func (r *ResolverStatus) String() string {
return fmt.Sprintf("network.ResolverStatus(%q)", r.md.ID())
}
// DeepCopy implements resource.Resource.
func (r *ResolverStatus) DeepCopy() resource.Resource {
return &ResolverStatus{
md: r.md,
spec: ResolverStatusSpec{
DNSServers: append([]netaddr.IP(nil), r.spec.DNSServers...),
},
}
}
// ResourceDefinition implements meta.ResourceDefinitionProvider interface.
func (r *ResolverStatus) ResourceDefinition() meta.ResourceDefinitionSpec {
return meta.ResourceDefinitionSpec{
Type: ResolverStatusType,
Aliases: []resource.Type{"resolvers"},
DefaultNamespace: NamespaceName,
PrintColumns: []meta.PrintColumn{
{
Name: "Resolvers",
JSONPath: "{.dnsServers}",
},
},
}
}
// TypedSpec allows to access the Spec with the proper type.
func (r *ResolverStatus) TypedSpec() *ResolverStatusSpec {
return &r.spec
}