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https://github.com/siderolabs/talos.git
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d2fd7c2170
The gist is that `kubelet` service code only manages the container lifecycle, while `kubelet` configuration is managed now in the controllers and resources. New resources: * `secrets.Kubelet` contains Kubelet PKI derived directly from the machine configuration * `k8s.KubeletConfig` contains Kubelet non-secret config derived directly from the machine configuration * `k8s.NodeIPConfig` contains configuration on picking up Node IP for the kubelet (from machine configuration) * `k8s.NodeIP` contains actual Node IPs picked from the node addresses based on `NodeIPConfig` * `k8s.KubeletSpec` contains final `kubelet` container configuration, including merged arguments, KubeletConfig, etc. It is derived from `KubeletConfig`, `Nodename` and `NodeIP`. Final controller `KubeletServiceController` writes down configuration and PKI to disk, and manages restart/start of the `kubelet` service which is a pure wrapper around container lifecycle. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
79 lines
2.1 KiB
Go
79 lines
2.1 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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"github.com/cosi-project/runtime/pkg/resource"
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"github.com/cosi-project/runtime/pkg/resource/meta"
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)
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// NodeIPConfigType is type of NodeIPConfig resource.
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const NodeIPConfigType = resource.Type("NodeIPConfigs.kubernetes.talos.dev")
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// NodeIPConfig resource holds definition of Node IP specification.
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type NodeIPConfig struct {
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md resource.Metadata
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spec *NodeIPConfigSpec
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}
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// NodeIPConfigSpec holds the Node IP specification.
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type NodeIPConfigSpec struct {
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ValidSubnets []string `yaml:"validSubnets,omitempty"`
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ExcludeSubnets []string `yaml:"excludeSubnets"`
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}
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// NewNodeIPConfig initializes an empty NodeIPConfig resource.
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func NewNodeIPConfig(namespace resource.Namespace, id resource.ID) *NodeIPConfig {
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r := &NodeIPConfig{
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md: resource.NewMetadata(namespace, NodeIPConfigType, id, resource.VersionUndefined),
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spec: &NodeIPConfigSpec{},
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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 *NodeIPConfig) 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 *NodeIPConfig) Spec() interface{} {
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return r.spec
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}
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func (r *NodeIPConfig) String() string {
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return fmt.Sprintf("k8s.NodeIPConfig(%q)", r.md.ID())
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}
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// DeepCopy implements resource.Resource.
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func (r *NodeIPConfig) DeepCopy() resource.Resource {
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return &NodeIPConfig{
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md: r.md,
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spec: &NodeIPConfigSpec{
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ValidSubnets: append([]string(nil), r.spec.ValidSubnets...),
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ExcludeSubnets: append([]string(nil), r.spec.ExcludeSubnets...),
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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 *NodeIPConfig) ResourceDefinition() meta.ResourceDefinitionSpec {
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return meta.ResourceDefinitionSpec{
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Type: NodeIPConfigType,
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Aliases: []resource.Type{},
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DefaultNamespace: NamespaceName,
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}
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}
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// TypedSpec returns .spec.
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func (r *NodeIPConfig) TypedSpec() *NodeIPConfigSpec {
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return r.spec
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}
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