open-nomad/nomad/structs/volumes.go

133 lines
2.4 KiB
Go

package structs
const (
VolumeTypeHost = "host"
)
// ClientHostVolumeConfig is used to configure access to host paths on a Nomad Client
type ClientHostVolumeConfig struct {
Name string `hcl:",key"`
Path string `hcl:"path"`
ReadOnly bool `hcl:"read_only"`
}
func (p *ClientHostVolumeConfig) Copy() *ClientHostVolumeConfig {
if p == nil {
return nil
}
c := new(ClientHostVolumeConfig)
*c = *p
return c
}
func CopyMapStringClientHostVolumeConfig(m map[string]*ClientHostVolumeConfig) map[string]*ClientHostVolumeConfig {
if m == nil {
return nil
}
nm := make(map[string]*ClientHostVolumeConfig, len(m))
for k, v := range m {
nm[k] = v.Copy()
}
return nm
}
func CopySliceClientHostVolumeConfig(s []*ClientHostVolumeConfig) []*ClientHostVolumeConfig {
l := len(s)
if l == 0 {
return nil
}
ns := make([]*ClientHostVolumeConfig, l)
for idx, cfg := range s {
ns[idx] = cfg.Copy()
}
return ns
}
func HostVolumeSliceMerge(a, b []*ClientHostVolumeConfig) []*ClientHostVolumeConfig {
n := make([]*ClientHostVolumeConfig, len(a))
seenKeys := make(map[string]int, len(a))
for i, config := range a {
n[i] = config.Copy()
seenKeys[config.Name] = i
}
for _, config := range b {
if fIndex, ok := seenKeys[config.Name]; ok {
n[fIndex] = config.Copy()
continue
}
n = append(n, config.Copy())
}
return n
}
// VolumeRequest is a representation of a storage volume that a TaskGroup wishes to use.
type VolumeRequest struct {
Name string
Type string
Source string
ReadOnly bool
}
func (v *VolumeRequest) Copy() *VolumeRequest {
if v == nil {
return nil
}
nv := new(VolumeRequest)
*nv = *v
return nv
}
func CopyMapVolumeRequest(s map[string]*VolumeRequest) map[string]*VolumeRequest {
if s == nil {
return nil
}
l := len(s)
c := make(map[string]*VolumeRequest, l)
for k, v := range s {
c[k] = v.Copy()
}
return c
}
// VolumeMount represents the relationship between a destination path in a task
// and the task group volume that should be mounted there.
type VolumeMount struct {
Volume string
Destination string
ReadOnly bool
}
func (v *VolumeMount) Copy() *VolumeMount {
if v == nil {
return nil
}
nv := new(VolumeMount)
*nv = *v
return nv
}
func CopySliceVolumeMount(s []*VolumeMount) []*VolumeMount {
l := len(s)
if l == 0 {
return nil
}
c := make([]*VolumeMount, l)
for i, v := range s {
c[i] = v.Copy()
}
return c
}