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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
1.7 KiB
Go
75 lines
1.7 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 docker
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import (
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"context"
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"net"
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"strconv"
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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/provision"
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)
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func (p *provisioner) Reflect(ctx context.Context, clusterName, stateDirectory string) (provision.Cluster, error) {
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res := &result{
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clusterInfo: provision.ClusterInfo{
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ClusterName: clusterName,
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},
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}
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// find network assuming network name == cluster name
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networks, err := p.listNetworks(ctx, clusterName)
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if err != nil {
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return nil, err
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}
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if len(networks) > 0 {
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network := networks[0]
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var cidr *net.IPNet
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_, cidr, err = net.ParseCIDR(network.IPAM.Config[0].Subnet)
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if err != nil {
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return nil, err
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}
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res.clusterInfo.Network.Name = network.Name
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res.clusterInfo.Network.CIDR = *cidr
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res.clusterInfo.Network.GatewayAddr = net.ParseIP(network.IPAM.Config[0].Gateway)
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mtuStr := network.Options["com.docker.network.driver.mtu"]
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res.clusterInfo.Network.MTU, err = strconv.Atoi(mtuStr)
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if err != nil {
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return nil, err
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}
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}
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// find nodes (containers)
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nodes, err := p.listNodes(ctx, clusterName)
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if err != nil {
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return nil, err
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}
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for _, node := range nodes {
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t, err := runtime.ParseMachineType(node.Labels["talos.type"])
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if err != nil {
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return nil, err
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}
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res.clusterInfo.Nodes = append(res.clusterInfo.Nodes,
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provision.NodeInfo{
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ID: node.ID,
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Name: node.Names[0],
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Type: t,
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PrivateIP: net.ParseIP(node.NetworkSettings.Networks[res.clusterInfo.Network.Name].IPAddress),
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})
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}
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return res, nil
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}
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