mirror of
https://github.com/siderolabs/talos.git
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c3e4182000
See https://github.com/cosi-project/runtime/pull/336 Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
101 lines
2.7 KiB
Go
101 lines
2.7 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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"net"
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"net/netip"
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"github.com/cosi-project/runtime/pkg/controller"
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"github.com/cosi-project/runtime/pkg/safe"
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"github.com/cosi-project/runtime/pkg/state"
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"github.com/siderolabs/gen/optional"
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"github.com/siderolabs/gen/xslices"
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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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)
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// StaticEndpointController injects endpoints based on machine configuration.
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type StaticEndpointController struct{}
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// Name implements controller.Controller interface.
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func (ctrl *StaticEndpointController) Name() string {
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return "k8s.StaticEndpointController"
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}
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// Inputs implements controller.Controller interface.
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func (ctrl *StaticEndpointController) 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: optional.Some(config.V1Alpha1ID),
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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 *StaticEndpointController) Outputs() []controller.Output {
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return []controller.Output{
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{
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Type: k8s.EndpointType,
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Kind: controller.OutputShared,
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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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//
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//nolint:gocyclo
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func (ctrl *StaticEndpointController) 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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machineConfig, err := safe.ReaderGetByID[*config.MachineConfig](ctx, r, config.V1Alpha1ID)
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if err != nil && !state.IsNotFoundError(err) {
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return fmt.Errorf("error getting machine config: %w", err)
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}
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r.StartTrackingOutputs()
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if machineConfig != nil && machineConfig.Config().Cluster() != nil {
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cpHostname := machineConfig.Config().Cluster().Endpoint().Hostname()
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var (
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resolver net.Resolver
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addrs []netip.Addr
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)
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addrs, err = resolver.LookupNetIP(ctx, "ip", cpHostname)
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if err != nil {
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return fmt.Errorf("error resolving %q: %w", cpHostname, err)
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}
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addrs = xslices.Map(addrs, netip.Addr.Unmap)
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if err = safe.WriterModify(ctx, r, k8s.NewEndpoint(k8s.ControlPlaneNamespaceName, k8s.ControlPlaneKubernetesEndpointsID), func(endpoint *k8s.Endpoint) error {
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endpoint.TypedSpec().Addresses = addrs
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return nil
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}); err != nil {
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return fmt.Errorf("error modifying endpoint: %w", err)
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}
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}
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if err = safe.CleanupOutputs[*k8s.Endpoint](ctx, r); err != nil {
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return err
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}
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}
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}
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