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5b7f4746ce
* client/allocdir: use an interface in place of AllocDir structs This PR replace *allocdir.AllocDir with allocdir.Interface such that we may eventually have another implementation of alloc directories. This is in support of the exec2 driver, which will need an implementation of the alloc directory incompatibile with the current version. * use rlock
72 lines
2.2 KiB
Go
72 lines
2.2 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package interfaces
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import (
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"github.com/hashicorp/nomad/client/allocdir"
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"github.com/hashicorp/nomad/client/allocrunner/state"
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"github.com/hashicorp/nomad/client/pluginmanager/csimanager"
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"github.com/hashicorp/nomad/client/pluginmanager/drivermanager"
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cstructs "github.com/hashicorp/nomad/client/structs"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/plugins/drivers"
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)
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// AllocRunner is the interface to the allocRunner struct used by client.Client
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type AllocRunner interface {
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Alloc() *structs.Allocation
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Run()
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Restore() error
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Update(*structs.Allocation)
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Reconnect(update *structs.Allocation) error
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Shutdown()
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Destroy()
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IsDestroyed() bool
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IsMigrating() bool
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IsWaiting() bool
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WaitCh() <-chan struct{}
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DestroyCh() <-chan struct{}
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ShutdownCh() <-chan struct{}
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AllocState() *state.State
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PersistState() error
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AcknowledgeState(*state.State)
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GetUpdatePriority(*structs.Allocation) cstructs.AllocUpdatePriority
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SetClientStatus(string)
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Signal(taskName, signal string) error
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RestartTask(taskName string, taskEvent *structs.TaskEvent) error
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RestartRunning(taskEvent *structs.TaskEvent) error
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RestartAll(taskEvent *structs.TaskEvent) error
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GetTaskEventHandler(taskName string) drivermanager.EventHandler
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GetTaskExecHandler(taskName string) drivermanager.TaskExecHandler
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GetTaskDriverCapabilities(taskName string) (*drivers.Capabilities, error)
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StatsReporter() AllocStatsReporter
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Listener() *cstructs.AllocListener
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GetAllocDir() allocdir.Interface
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}
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// TaskStateHandler exposes a handler to be called when a task's state changes
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type TaskStateHandler interface {
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// TaskStateUpdated is used to notify the alloc runner about task state
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// changes.
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TaskStateUpdated()
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}
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// AllocStatsReporter gives access to the latest resource usage from the
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// allocation
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type AllocStatsReporter interface {
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LatestAllocStats(taskFilter string) (*cstructs.AllocResourceUsage, error)
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}
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// HookResourceSetter is used to communicate between alloc hooks and task hooks
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type HookResourceSetter interface {
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SetCSIMounts(map[string]*csimanager.MountInfo)
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GetCSIMounts(map[string]*csimanager.MountInfo)
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}
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