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https://github.com/siderolabs/talos.git
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badbc51e63
`config.Container` implements a multi-doc container which implements both `Container` interface (encoding, validation, etc.), and `Conifg` interface (accessing parts of the config). Refactor `generate` and `bundle` packages to support multi-doc, and provide backwards compatibility. Implement a first (mostly example) machine config document for SideroLink API URL. Many places don't properly support multi-doc yet (e.g. config patches). Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
106 lines
2.9 KiB
Go
106 lines
2.9 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 siderolink
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import (
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"context"
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"fmt"
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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/go-procfs/procfs"
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"go.uber.org/zap"
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"github.com/siderolabs/talos/pkg/machinery/constants"
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"github.com/siderolabs/talos/pkg/machinery/resources/config"
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"github.com/siderolabs/talos/pkg/machinery/resources/siderolink"
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)
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// ConfigController interacts with SideroLink API and brings up the SideroLink Wireguard interface.
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type ConfigController struct {
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Cmdline *procfs.Cmdline
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}
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// Name implements controller.Controller interface.
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func (ctrl *ConfigController) Name() string {
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return "siderolink.ConfigController"
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}
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// Inputs implements controller.Controller interface.
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func (ctrl *ConfigController) 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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}
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// Outputs implements controller.Controller interface.
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func (ctrl *ConfigController) Outputs() []controller.Output {
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return []controller.Output{
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{
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Type: siderolink.ConfigType,
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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 *ConfigController) Run(ctx context.Context, r controller.Runtime, _ *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 := safe.ReaderGetByID[*config.MachineConfig](ctx, r, config.V1Alpha1ID)
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if err != nil && !state.IsNotFoundError(err) {
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return err
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}
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if err := ctrl.updateConfig(ctx, r, cfg); err != nil {
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return fmt.Errorf("failed to update config: %w", err)
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}
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}
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}
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func (ctrl *ConfigController) updateConfig(ctx context.Context, r controller.Runtime, machineConfig *config.MachineConfig) error {
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cfg := siderolink.NewConfig(config.NamespaceName, siderolink.ConfigID)
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endpoint := ctrl.apiEndpoint(machineConfig)
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if endpoint == "" {
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err := r.Destroy(ctx, cfg.Metadata())
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if err != nil && !state.IsNotFoundError(err) {
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return err
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}
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return nil
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}
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return safe.WriterModify(ctx, r, cfg, func(c *siderolink.Config) error {
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c.TypedSpec().APIEndpoint = endpoint
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return nil
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})
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}
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func (ctrl *ConfigController) apiEndpoint(machineConfig *config.MachineConfig) string {
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if machineConfig != nil && machineConfig.Config().SideroLink() != nil && machineConfig.Config().SideroLink().APIUrl() != nil {
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return machineConfig.Config().SideroLink().APIUrl().String()
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}
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if ctrl.Cmdline == nil || ctrl.Cmdline.Get(constants.KernelParamSideroLink).First() == nil {
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return ""
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}
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return *ctrl.Cmdline.Get(constants.KernelParamSideroLink).First()
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}
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