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https://github.com/siderolabs/talos.git
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bab484a405
Use `udevd` rules to create stable interface names. Link controllers should wait for `udevd` to settle down, otherwise link rename will fail (interface should not be UP). Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
66 lines
1.5 KiB
Go
66 lines
1.5 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 runtime
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import (
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"context"
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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/go-pointer"
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"github.com/siderolabs/talos/pkg/machinery/resources/runtime"
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)
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// WaitForDevicesReady waits for devices to be ready.
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//
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// It is a helper function for controllers.
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func WaitForDevicesReady(ctx context.Context, r controller.Runtime, nextInputs []controller.Input) error {
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// set inputs temporarily to a service only
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if err := r.UpdateInputs([]controller.Input{
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{
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Namespace: runtime.NamespaceName,
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Type: runtime.DevicesStatusType,
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ID: pointer.To(runtime.DevicesID),
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Kind: controller.InputWeak,
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},
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}); err != nil {
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return err
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}
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for {
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-r.EventCh():
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}
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status, err := safe.ReaderGetByID[*runtime.DevicesStatus](ctx, r, runtime.DevicesID)
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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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if status.TypedSpec().Ready {
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// condition met
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break
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}
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}
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// restore inputs
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if err := r.UpdateInputs(nextInputs); err != nil {
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return err
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}
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// queue an update to reprocess with new inputs
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r.QueueReconcile()
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return nil
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}
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