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https://github.com/siderolabs/talos.git
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49307d554d
This is a rewrite of machined. It addresses some of the limitations and
complexity in the implementation. This introduces the idea of a
controller. A controller is responsible for managing the runtime, the
sequencer, and a new state type introduced in this PR.
A few highlights are:
- no more event bus
- functional approach to tasks (no more types defined for each task)
- the task function definition now offers a lot more context, like
access to raw API requests, the current sequence, a logger, the new
state interface, and the runtime interface.
- no more panics to handle reboots
- additional initialize and reboot sequences
- graceful gRPC server shutdown on critical errors
- config is now stored at install time to avoid having to download it at
install time and at boot time
- upgrades now use the local config instead of downloading it
- the upgrade API's preserve option takes precedence over the config's
install force option
Additionally, this pulls various packes in under machined to make the
code easier to navigate.
Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
75 lines
1.9 KiB
Go
75 lines
1.9 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 access
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import (
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"github.com/talos-systems/talos/internal/app/machined/pkg/runtime"
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"github.com/talos-systems/talos/internal/pkg/cluster"
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"github.com/talos-systems/talos/internal/pkg/provision"
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)
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// Adapter provides cluster access via provision.Cluster.
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type Adapter struct {
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cluster.ConfigClientProvider
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cluster.KubernetesClient
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cluster.APICrashDumper
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cluster.Info
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}
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type infoWrapper struct {
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clusterInfo provision.ClusterInfo
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}
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func (wrapper *infoWrapper) Nodes() []string {
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nodes := make([]string, len(wrapper.clusterInfo.Nodes))
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for i := range nodes {
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nodes[i] = wrapper.clusterInfo.Nodes[i].PrivateIP.String()
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}
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return nodes
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}
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func (wrapper *infoWrapper) NodesByType(t runtime.MachineType) []string {
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var nodes []string
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for _, node := range wrapper.clusterInfo.Nodes {
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if node.Type == t {
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nodes = append(nodes, node.PrivateIP.String())
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}
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}
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return nodes
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}
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// NewAdapter returns ClusterAccess object from Cluster.
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func NewAdapter(clusterInfo provision.Cluster, opts ...provision.Option) *Adapter {
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options := provision.DefaultOptions()
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for _, opt := range opts {
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if err := opt(&options); err != nil {
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panic(err)
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}
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}
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configProvider := cluster.ConfigClientProvider{
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DefaultClient: options.TalosClient,
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TalosConfig: options.TalosConfig,
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}
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return &Adapter{
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ConfigClientProvider: configProvider,
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KubernetesClient: cluster.KubernetesClient{
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ClientProvider: &configProvider,
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ForceEndpoint: options.ForceEndpoint,
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},
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APICrashDumper: cluster.APICrashDumper{
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ClientProvider: &configProvider,
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Info: &infoWrapper{clusterInfo: clusterInfo.Info()},
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},
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Info: &infoWrapper{clusterInfo: clusterInfo.Info()},
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}
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}
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