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350280eb59
Regular upgrade path takes just one reboot, but it requires all the processes to be stopped on the node before upgrade might proceed. Under some circumstances and with potential Talos bugs it might not work rendering Talos upgrades almost impossible. Staged upgrades build upon regular install flow to run the upgrade on the node reboot. Such upgrades require two reboots of the node, and it requires two pulls of the installer image, but they should be much less suspicious to the failure. Once the upgrade is staged, node can be rebooted in any possible way, including hard reset and upgrade is performed on the next boot. New ADV format was implemented as well to allow to store install image ref/options across reboots. New format allows for bigger values and takes 50% of the `META` partition. Old ADV is still kept for compatibility reasons. Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
38 lines
899 B
Go
38 lines
899 B
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 runtime
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import (
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"github.com/talos-systems/go-blockdevice/blockdevice/probe"
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"github.com/talos-systems/talos/pkg/machinery/config"
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)
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// State defines the state.
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type State interface {
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Platform() Platform
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Machine() MachineState
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Cluster() ClusterState
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}
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// Machine defines the runtime parameters.
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type Machine interface {
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State() MachineState
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Config() config.MachineConfig
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}
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// MachineState defines the machined state.
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type MachineState interface {
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Disk() *probe.ProbedBlockDevice
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Close() error
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Installed() bool
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IsInstallStaged() bool
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StagedInstallImageRef() string
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StagedInstallOptions() []byte
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}
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// ClusterState defines the cluster state.
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type ClusterState interface{}
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