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f70b47dddc
Before this change KubePrism used hardcoded "localhost" as destination which Go could resolve to IPv6 destination and then fail to connect to. This change forces KubePrism to connect using IPv4 and uses hardcoded "127.0.0.1" destination so it will always use IPv4. For #8112 Signed-off-by: Dmitriy Matrenichev <dmitry.matrenichev@siderolabs.com>
82 lines
2.5 KiB
Go
82 lines
2.5 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 k8s
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import (
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"context"
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"strconv"
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"github.com/cosi-project/runtime/pkg/controller"
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"github.com/cosi-project/runtime/pkg/controller/generic/transform"
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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/xerrors"
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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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// KubePrismConfigController creates config for KubePrism.
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type KubePrismConfigController = transform.Controller[*config.MachineConfig, *k8s.KubePrismConfig]
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// NewKubePrismConfigController instanciates the controller.
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func NewKubePrismConfigController() *KubePrismConfigController {
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return transform.NewController(
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transform.Settings[*config.MachineConfig, *k8s.KubePrismConfig]{
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Name: "k8s.KubePrismConfigController",
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MapMetadataOptionalFunc: func(cfg *config.MachineConfig) optional.Optional[*k8s.KubePrismConfig] {
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if cfg.Metadata().ID() != config.V1Alpha1ID {
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return optional.None[*k8s.KubePrismConfig]()
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}
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if cfg.Config().Machine() == nil {
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return optional.None[*k8s.KubePrismConfig]()
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}
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if !cfg.Config().Machine().Features().KubePrism().Enabled() {
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return optional.None[*k8s.KubePrismConfig]()
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}
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return optional.Some(k8s.NewKubePrismConfig(k8s.NamespaceName, k8s.KubePrismConfigID))
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},
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TransformFunc: func(ctx context.Context, r controller.Reader, logger *zap.Logger, cfg *config.MachineConfig, res *k8s.KubePrismConfig) error {
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endpt, err := safe.ReaderGetByID[*k8s.KubePrismEndpoints](ctx, r, k8s.KubePrismEndpointsID)
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if err != nil {
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if state.IsNotFoundError(err) {
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return xerrors.NewTaggedf[transform.SkipReconcileTag]("KubePrism endpoints resource not found; not creating KubePrism config")
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}
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return err
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}
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spec := res.TypedSpec()
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spec.Endpoints = endpt.TypedSpec().Endpoints
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spec.Host = "127.0.0.1"
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spec.Port = cfg.Config().Machine().Features().KubePrism().Port()
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return nil
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},
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},
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transform.WithExtraInputs(
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safe.Input[*k8s.KubePrismEndpoints](controller.InputWeak),
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),
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)
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}
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func toPort(port string) uint32 {
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if port == "" {
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return 443
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}
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p, err := strconv.ParseUint(port, 10, 32)
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if err != nil {
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return 443
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}
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return uint32(p)
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}
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