open-nomad/client/structs/allochook.go

46 lines
1.1 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package structs
import (
"sync"
"github.com/hashicorp/nomad/client/pluginmanager/csimanager"
"github.com/hashicorp/nomad/helper"
)
// AllocHookResources contains data that is provided by AllocRunner Hooks for
// consumption by TaskRunners. This should be instantiated once in the
// AllocRunner and then only accessed via getters and setters that hold the
// lock.
type AllocHookResources struct {
csiMounts map[string]*csimanager.MountInfo
mu sync.RWMutex
}
func NewAllocHookResources() *AllocHookResources {
return &AllocHookResources{
csiMounts: map[string]*csimanager.MountInfo{},
}
}
// GetCSIMounts returns a copy of the CSI mount info previously written by the
// CSI allocrunner hook
func (a *AllocHookResources) GetCSIMounts() map[string]*csimanager.MountInfo {
a.mu.RLock()
defer a.mu.RUnlock()
return helper.DeepCopyMap(a.csiMounts)
}
// SetCSIMounts stores the CSI mount info for later use by the volume taskrunner
// hook
func (a *AllocHookResources) SetCSIMounts(m map[string]*csimanager.MountInfo) {
a.mu.Lock()
defer a.mu.Unlock()
a.csiMounts = m
}