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https://github.com/siderolabs/talos.git
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12f7888b75
Fixes #4231 This allows much faster worker join on `apid` level without waiting for Kubernetes control plane to be up (and even if the Kubernetes control plane doesn't go up or the kubelet isn't up). Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
122 lines
3.0 KiB
Go
122 lines
3.0 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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"fmt"
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"sort"
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"github.com/cosi-project/runtime/pkg/resource"
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"github.com/cosi-project/runtime/pkg/resource/meta"
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"inet.af/netaddr"
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)
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// EndpointType is type of Endpoint resource.
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const EndpointType = resource.Type("Endpoints.kubernetes.talos.dev")
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// ControlPlaneAPIServerEndpointsID is resource ID for kube-apiserver based Endpoints.
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const ControlPlaneAPIServerEndpointsID = resource.ID("kube-apiserver")
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// ControlPlaneDiscoveredEndpointsID is resource ID for cluster discovery based Endpoints.
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const ControlPlaneDiscoveredEndpointsID = resource.ID("discovery")
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// Endpoint resource holds definition of rendered secrets.
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type Endpoint struct {
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md resource.Metadata
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spec EndpointSpec
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}
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// EndpointSpec describes status of rendered secrets.
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type EndpointSpec struct {
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Addresses []netaddr.IP `yaml:"addresses"`
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}
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// NewEndpoint initializes a Endpoint resource.
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func NewEndpoint(namespace resource.Namespace, id resource.ID) *Endpoint {
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r := &Endpoint{
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md: resource.NewMetadata(namespace, EndpointType, id, resource.VersionUndefined),
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spec: EndpointSpec{},
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}
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r.md.BumpVersion()
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return r
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}
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// Metadata implements resource.Resource.
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func (r *Endpoint) Metadata() *resource.Metadata {
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return &r.md
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}
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// Spec implements resource.Resource.
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func (r *Endpoint) Spec() interface{} {
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return r.spec
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}
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func (r *Endpoint) String() string {
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return fmt.Sprintf("k8s.Endpoint(%q)", r.md.ID())
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}
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// DeepCopy implements resource.Resource.
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func (r *Endpoint) DeepCopy() resource.Resource {
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return &Endpoint{
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md: r.md,
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spec: EndpointSpec{
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Addresses: append([]netaddr.IP(nil), r.spec.Addresses...),
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},
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}
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}
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// ResourceDefinition implements meta.ResourceDefinitionProvider interface.
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func (r *Endpoint) ResourceDefinition() meta.ResourceDefinitionSpec {
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return meta.ResourceDefinitionSpec{
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Type: EndpointType,
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Aliases: []resource.Type{},
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DefaultNamespace: ControlPlaneNamespaceName,
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PrintColumns: []meta.PrintColumn{
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{
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Name: "Addresses",
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JSONPath: "{.addresses}",
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},
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},
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}
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}
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// TypedSpec allows to access the Spec with the proper type.
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func (r *Endpoint) TypedSpec() *EndpointSpec {
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return &r.spec
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}
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// EndpointList is a flattened list of endpoints.
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type EndpointList []netaddr.IP
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// Merge endpoints from multiple Endpoint resources into a single list.
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func (l EndpointList) Merge(endpoint *Endpoint) EndpointList {
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for _, ip := range endpoint.spec.Addresses {
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ip := ip
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idx := sort.Search(len(l), func(i int) bool { return !l[i].Less(ip) })
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if idx < len(l) && l[idx].Compare(ip) == 0 {
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continue
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}
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l = append(l[:idx], append([]netaddr.IP{ip}, l[idx:]...)...)
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}
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return l
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}
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// Strings returns a slice of formatted endpoints to string.
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func (l EndpointList) Strings() []string {
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res := make([]string, len(l))
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for i := range l {
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res[i] = l[i].String()
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}
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return res
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}
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