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member.go
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member.go
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// 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 cluster
import (
"context"
"errors"
"fmt"
"slices"
"github.com/cosi-project/runtime/pkg/controller"
"github.com/cosi-project/runtime/pkg/resource"
"github.com/cosi-project/runtime/pkg/safe"
"go.uber.org/zap"
"github.com/siderolabs/talos/pkg/machinery/resources/cluster"
)
// MemberController converts Affiliates which have Nodename set into Members.
type MemberController struct{}
// Name implements controller.Controller interface.
func (ctrl *MemberController) Name() string {
return "cluster.MemberController"
}
// Inputs implements controller.Controller interface.
func (ctrl *MemberController) Inputs() []controller.Input {
return []controller.Input{
{
Namespace: cluster.NamespaceName,
Type: cluster.AffiliateType,
Kind: controller.InputWeak,
},
}
}
// Outputs implements controller.Controller interface.
func (ctrl *MemberController) Outputs() []controller.Output {
return []controller.Output{
{
Type: cluster.MemberType,
Kind: controller.OutputExclusive,
},
}
}
// Run implements controller.Controller interface.
//
//nolint:gocyclo
func (ctrl *MemberController) Run(ctx context.Context, r controller.Runtime, _ *zap.Logger) error {
for {
select {
case <-ctx.Done():
return nil
case <-r.EventCh():
}
affiliates, err := safe.ReaderListAll[*cluster.Affiliate](ctx, r)
if err != nil {
return errors.New("error listing affiliates")
}
touchedIDs := make(map[resource.ID]struct{})
for it := affiliates.Iterator(); it.Next(); {
affiliateSpec := it.Value().TypedSpec()
if affiliateSpec.Nodename == "" {
// not a cluster member
continue
}
if err = safe.WriterModify(ctx, r, cluster.NewMember(cluster.NamespaceName, affiliateSpec.Nodename), func(res *cluster.Member) error {
spec := res.TypedSpec()
spec.Addresses = slices.Clone(affiliateSpec.Addresses)
spec.Hostname = affiliateSpec.Hostname
spec.MachineType = affiliateSpec.MachineType
spec.OperatingSystem = affiliateSpec.OperatingSystem
spec.NodeID = affiliateSpec.NodeID
spec.ControlPlane = affiliateSpec.ControlPlane
return nil
}); err != nil {
return err
}
touchedIDs[affiliateSpec.Nodename] = struct{}{}
}
// list keys for cleanup
list, err := safe.ReaderListAll[*cluster.Member](ctx, r)
if err != nil {
return fmt.Errorf("error listing resources: %w", err)
}
for it := list.Iterator(); it.Next(); {
res := it.Value()
if res.Metadata().Owner() != ctrl.Name() {
continue
}
if _, ok := touchedIDs[res.Metadata().ID()]; !ok {
if err = r.Destroy(ctx, res.Metadata()); err != nil {
return fmt.Errorf("error cleaning up specs: %w", err)
}
}
}
r.ResetRestartBackoff()
}
}