mirror of
https://github.com/siderolabs/talos.git
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032e7c6b86
Do not use yaml.v2. Signed-off-by: Alexey Palazhchenko <alexey.palazhchenko@talos-systems.com>
80 lines
2.2 KiB
Go
80 lines
2.2 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 kubernetes
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import (
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"context"
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"fmt"
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yaml "gopkg.in/yaml.v3"
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"github.com/talos-systems/talos/pkg/machinery/api/machine"
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"github.com/talos-systems/talos/pkg/machinery/client"
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"github.com/talos-systems/talos/pkg/machinery/config/configloader"
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v1alpha1config "github.com/talos-systems/talos/pkg/machinery/config/types/v1alpha1"
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"github.com/talos-systems/talos/pkg/resources/config"
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)
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// patchNodeConfig updates node configuration by means of patch function.
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//
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//nolint:gocyclo
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func patchNodeConfig(ctx context.Context, cluster UpgradeProvider, node string, patchFunc func(config *v1alpha1config.Config) error) error {
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c, err := cluster.Client()
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if err != nil {
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return fmt.Errorf("error building Talos API client: %w", err)
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}
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ctx = client.WithNodes(ctx, node)
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resources, err := c.Resources.Get(ctx, config.NamespaceName, config.MachineConfigType, config.V1Alpha1ID)
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if err != nil {
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return fmt.Errorf("error fetching config resource: %w", err)
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}
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if len(resources) != 1 {
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return fmt.Errorf("expected 1 instance of config resource, got %d", len(resources))
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}
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r := resources[0]
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yamlConfig, err := yaml.Marshal(r.Resource.Spec())
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if err != nil {
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return fmt.Errorf("error getting YAML config: %w", err)
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}
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config, err := configloader.NewFromBytes(yamlConfig)
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if err != nil {
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return fmt.Errorf("error loading config: %w", err)
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}
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cfg, ok := config.(*v1alpha1config.Config)
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if !ok {
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return fmt.Errorf("config is not v1alpha1 config")
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}
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if !cfg.Persist() {
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return fmt.Errorf("config persistence is disabled, patching is not supported")
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}
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if err = patchFunc(cfg); err != nil {
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return fmt.Errorf("error patching config: %w", err)
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}
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cfgBytes, err := cfg.Bytes()
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if err != nil {
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return fmt.Errorf("error serializing config: %w", err)
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}
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_, err = c.ApplyConfiguration(ctx, &machine.ApplyConfigurationRequest{
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Data: cfgBytes,
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Immediate: true,
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})
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if err != nil {
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return fmt.Errorf("error applying config: %w", err)
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}
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return nil
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}
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