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a505b8909a
See https://github.com/cosi-project/runtime/pull/191 Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
113 lines
3.1 KiB
Go
113 lines
3.1 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package k8s
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import (
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"context"
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"fmt"
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"strings"
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"github.com/cosi-project/runtime/pkg/controller"
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"github.com/cosi-project/runtime/pkg/resource"
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"github.com/cosi-project/runtime/pkg/state"
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"github.com/siderolabs/go-pointer"
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"go.uber.org/zap"
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"github.com/siderolabs/talos/pkg/machinery/resources/config"
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"github.com/siderolabs/talos/pkg/machinery/resources/k8s"
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"github.com/siderolabs/talos/pkg/machinery/resources/network"
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)
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// NodenameController renders manifests based on templates and config/secrets.
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type NodenameController struct{}
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// Name implements controller.Controller interface.
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func (ctrl *NodenameController) Name() string {
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return "k8s.NodenameController"
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}
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// Inputs implements controller.Controller interface.
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func (ctrl *NodenameController) Inputs() []controller.Input {
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return []controller.Input{
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{
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Namespace: config.NamespaceName,
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Type: config.MachineConfigType,
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ID: pointer.To(config.V1Alpha1ID),
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Kind: controller.InputWeak,
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},
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{
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Namespace: network.NamespaceName,
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Type: network.HostnameStatusType,
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ID: pointer.To(network.HostnameID),
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Kind: controller.InputWeak,
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},
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}
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}
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// Outputs implements controller.Controller interface.
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func (ctrl *NodenameController) Outputs() []controller.Output {
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return []controller.Output{
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{
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Type: k8s.NodenameType,
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Kind: controller.OutputExclusive,
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},
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}
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}
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// Run implements controller.Controller interface.
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func (ctrl *NodenameController) Run(ctx context.Context, r controller.Runtime, logger *zap.Logger) error {
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for {
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select {
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case <-ctx.Done():
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return nil
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case <-r.EventCh():
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}
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cfg, err := r.Get(ctx, resource.NewMetadata(config.NamespaceName, config.MachineConfigType, config.V1Alpha1ID, resource.VersionUndefined))
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if err != nil {
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if state.IsNotFoundError(err) {
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continue
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}
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return fmt.Errorf("error getting config: %w", err)
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}
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cfgProvider := cfg.(*config.MachineConfig).Config()
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hostnameResource, err := r.Get(ctx, resource.NewMetadata(network.NamespaceName, network.HostnameStatusType, network.HostnameID, resource.VersionUndefined))
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if err != nil {
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if state.IsNotFoundError(err) {
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continue
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}
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return err
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}
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hostnameStatus := hostnameResource.(*network.HostnameStatus).TypedSpec()
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if err = r.Modify(
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ctx,
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k8s.NewNodename(k8s.NamespaceName, k8s.NodenameID),
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func(r resource.Resource) error {
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nodename := r.(*k8s.Nodename) //nolint:errcheck,forcetypeassert
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if cfgProvider.Machine().Kubelet().RegisterWithFQDN() {
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nodename.TypedSpec().Nodename = strings.ToLower(hostnameStatus.FQDN())
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} else {
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nodename.TypedSpec().Nodename = strings.ToLower(hostnameStatus.Hostname)
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}
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nodename.TypedSpec().HostnameVersion = hostnameResource.Metadata().Version().String()
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return nil
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},
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); err != nil {
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return fmt.Errorf("error modifying nodename resource: %w", err)
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}
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r.ResetRestartBackoff()
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}
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}
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