mirror of
https://github.com/letic/terraform-provider-google.git
synced 2024-09-07 09:36:44 +00:00
![Riley Karson](/assets/img/avatar_default.png)
```bash GO111MODULE=on go get github.com/hashicorp/terraform@pluginsdk-v0.12-early7 GO111MODULE=on go mod vendor GO111MODULE=on go mod tidy ```
219 lines
7.2 KiB
Go
219 lines
7.2 KiB
Go
package states
|
|
|
|
import (
|
|
"github.com/hashicorp/terraform/addrs"
|
|
"github.com/zclconf/go-cty/cty"
|
|
)
|
|
|
|
// Taking deep copies of states is an important operation because state is
|
|
// otherwise a mutable data structure that is challenging to share across
|
|
// many separate callers. It is important that the DeepCopy implementations
|
|
// in this file comprehensively copy all parts of the state data structure
|
|
// that could be mutated via pointers.
|
|
|
|
// DeepCopy returns a new state that contains equivalent data to the reciever
|
|
// but shares no backing memory in common.
|
|
//
|
|
// As with all methods on State, this method is not safe to use concurrently
|
|
// with writing to any portion of the recieving data structure. It is the
|
|
// caller's responsibility to ensure mutual exclusion for the duration of the
|
|
// operation, but may then freely modify the receiver and the returned copy
|
|
// independently once this method returns.
|
|
func (s *State) DeepCopy() *State {
|
|
if s == nil {
|
|
return nil
|
|
}
|
|
|
|
modules := make(map[string]*Module, len(s.Modules))
|
|
for k, m := range s.Modules {
|
|
modules[k] = m.DeepCopy()
|
|
}
|
|
return &State{
|
|
Modules: modules,
|
|
}
|
|
}
|
|
|
|
// DeepCopy returns a new module state that contains equivalent data to the
|
|
// receiver but shares no backing memory in common.
|
|
//
|
|
// As with all methods on Module, this method is not safe to use concurrently
|
|
// with writing to any portion of the recieving data structure. It is the
|
|
// caller's responsibility to ensure mutual exclusion for the duration of the
|
|
// operation, but may then freely modify the receiver and the returned copy
|
|
// independently once this method returns.
|
|
func (ms *Module) DeepCopy() *Module {
|
|
if ms == nil {
|
|
return nil
|
|
}
|
|
|
|
resources := make(map[string]*Resource, len(ms.Resources))
|
|
for k, r := range ms.Resources {
|
|
resources[k] = r.DeepCopy()
|
|
}
|
|
outputValues := make(map[string]*OutputValue, len(ms.OutputValues))
|
|
for k, v := range ms.OutputValues {
|
|
outputValues[k] = v.DeepCopy()
|
|
}
|
|
localValues := make(map[string]cty.Value, len(ms.LocalValues))
|
|
for k, v := range ms.LocalValues {
|
|
// cty.Value is immutable, so we don't need to copy these.
|
|
localValues[k] = v
|
|
}
|
|
|
|
return &Module{
|
|
Addr: ms.Addr, // technically mutable, but immutable by convention
|
|
Resources: resources,
|
|
OutputValues: outputValues,
|
|
LocalValues: localValues,
|
|
}
|
|
}
|
|
|
|
// DeepCopy returns a new resource state that contains equivalent data to the
|
|
// receiver but shares no backing memory in common.
|
|
//
|
|
// As with all methods on Resource, this method is not safe to use concurrently
|
|
// with writing to any portion of the recieving data structure. It is the
|
|
// caller's responsibility to ensure mutual exclusion for the duration of the
|
|
// operation, but may then freely modify the receiver and the returned copy
|
|
// independently once this method returns.
|
|
func (rs *Resource) DeepCopy() *Resource {
|
|
if rs == nil {
|
|
return nil
|
|
}
|
|
|
|
instances := make(map[addrs.InstanceKey]*ResourceInstance, len(rs.Instances))
|
|
for k, i := range rs.Instances {
|
|
instances[k] = i.DeepCopy()
|
|
}
|
|
|
|
return &Resource{
|
|
Addr: rs.Addr,
|
|
EachMode: rs.EachMode,
|
|
Instances: instances,
|
|
ProviderConfig: rs.ProviderConfig, // technically mutable, but immutable by convention
|
|
}
|
|
}
|
|
|
|
// DeepCopy returns a new resource instance state that contains equivalent data
|
|
// to the receiver but shares no backing memory in common.
|
|
//
|
|
// As with all methods on ResourceInstance, this method is not safe to use
|
|
// concurrently with writing to any portion of the recieving data structure. It
|
|
// is the caller's responsibility to ensure mutual exclusion for the duration
|
|
// of the operation, but may then freely modify the receiver and the returned
|
|
// copy independently once this method returns.
|
|
func (is *ResourceInstance) DeepCopy() *ResourceInstance {
|
|
if is == nil {
|
|
return nil
|
|
}
|
|
|
|
deposed := make(map[DeposedKey]*ResourceInstanceObjectSrc, len(is.Deposed))
|
|
for k, obj := range is.Deposed {
|
|
deposed[k] = obj.DeepCopy()
|
|
}
|
|
|
|
return &ResourceInstance{
|
|
Current: is.Current.DeepCopy(),
|
|
Deposed: deposed,
|
|
}
|
|
}
|
|
|
|
// DeepCopy returns a new resource instance object that contains equivalent data
|
|
// to the receiver but shares no backing memory in common.
|
|
//
|
|
// As with all methods on ResourceInstanceObjectSrc, this method is not safe to
|
|
// use concurrently with writing to any portion of the recieving data structure.
|
|
// It is the caller's responsibility to ensure mutual exclusion for the duration
|
|
// of the operation, but may then freely modify the receiver and the returned
|
|
// copy independently once this method returns.
|
|
func (obj *ResourceInstanceObjectSrc) DeepCopy() *ResourceInstanceObjectSrc {
|
|
if obj == nil {
|
|
return nil
|
|
}
|
|
|
|
var attrsFlat map[string]string
|
|
if obj.AttrsFlat != nil {
|
|
attrsFlat = make(map[string]string, len(obj.AttrsFlat))
|
|
for k, v := range obj.AttrsFlat {
|
|
attrsFlat[k] = v
|
|
}
|
|
}
|
|
|
|
var attrsJSON []byte
|
|
if obj.AttrsJSON != nil {
|
|
attrsJSON = make([]byte, len(obj.AttrsJSON))
|
|
copy(attrsJSON, obj.AttrsJSON)
|
|
}
|
|
|
|
var private []byte
|
|
if obj.Private != nil {
|
|
private := make([]byte, len(obj.Private))
|
|
copy(private, obj.Private)
|
|
}
|
|
|
|
// Some addrs.Referencable implementations are technically mutable, but
|
|
// we treat them as immutable by convention and so we don't deep-copy here.
|
|
dependencies := make([]addrs.Referenceable, len(obj.Dependencies))
|
|
copy(dependencies, obj.Dependencies)
|
|
|
|
return &ResourceInstanceObjectSrc{
|
|
Status: obj.Status,
|
|
SchemaVersion: obj.SchemaVersion,
|
|
Private: private,
|
|
AttrsFlat: attrsFlat,
|
|
AttrsJSON: attrsJSON,
|
|
Dependencies: dependencies,
|
|
}
|
|
}
|
|
|
|
// DeepCopy returns a new resource instance object that contains equivalent data
|
|
// to the receiver but shares no backing memory in common.
|
|
//
|
|
// As with all methods on ResourceInstanceObject, this method is not safe to use
|
|
// concurrently with writing to any portion of the recieving data structure. It
|
|
// is the caller's responsibility to ensure mutual exclusion for the duration
|
|
// of the operation, but may then freely modify the receiver and the returned
|
|
// copy independently once this method returns.
|
|
func (obj *ResourceInstanceObject) DeepCopy() *ResourceInstanceObject {
|
|
if obj == nil {
|
|
return nil
|
|
}
|
|
|
|
var private []byte
|
|
if obj.Private != nil {
|
|
private := make([]byte, len(obj.Private))
|
|
copy(private, obj.Private)
|
|
}
|
|
|
|
// Some addrs.Referencable implementations are technically mutable, but
|
|
// we treat them as immutable by convention and so we don't deep-copy here.
|
|
dependencies := make([]addrs.Referenceable, len(obj.Dependencies))
|
|
copy(dependencies, obj.Dependencies)
|
|
|
|
return &ResourceInstanceObject{
|
|
Value: obj.Value,
|
|
Status: obj.Status,
|
|
Private: private,
|
|
Dependencies: dependencies,
|
|
}
|
|
}
|
|
|
|
// DeepCopy returns a new output value state that contains equivalent data
|
|
// to the receiver but shares no backing memory in common.
|
|
//
|
|
// As with all methods on OutputValue, this method is not safe to use
|
|
// concurrently with writing to any portion of the recieving data structure. It
|
|
// is the caller's responsibility to ensure mutual exclusion for the duration
|
|
// of the operation, but may then freely modify the receiver and the returned
|
|
// copy independently once this method returns.
|
|
func (os *OutputValue) DeepCopy() *OutputValue {
|
|
if os == nil {
|
|
return nil
|
|
}
|
|
|
|
return &OutputValue{
|
|
Value: os.Value,
|
|
Sensitive: os.Sensitive,
|
|
}
|
|
}
|