func (r *Resource) recordCurrentSchemaVersion(
state *terraform.InstanceState) *terraform.InstanceState {
if state != nil && r.SchemaVersion > 0 {
if state.Meta == nil {
state.Meta = make(map[string]string)
}
state.Meta["schema_version"] = strconv.Itoa(r.SchemaVersion)
}
return state
}
// State returns the new InstanceState after the diff and any Set
// calls.
func (d *ResourceData) State() *terraform.InstanceState {
var result terraform.InstanceState
result.ID = d.Id()
result.Meta = d.meta
// If we have no ID, then this resource doesn't exist and we just
// return nil.
if result.ID == "" {
return nil
}
// Look for a magic key in the schema that determines we skip the
// integrity check of fields existing in the schema, allowing dynamic
// keys to be created.
hasDynamicAttributes := false
for k, _ := range d.schema {
if k == "__has_dynamic_attributes" {
hasDynamicAttributes = true
log.Printf("[INFO] Resource %s has dynamic attributes", result.ID)
}
}
// In order to build the final state attributes, we read the full
// attribute set as a map[string]interface{}, write it to a MapFieldWriter,
// and then use that map.
rawMap := make(map[string]interface{})
for k := range d.schema {
source := getSourceSet
if d.partial {
source = getSourceState
if _, ok := d.partialMap[k]; ok {
source = getSourceSet
}
}
raw := d.get([]string{k}, source)
if raw.Exists && !raw.Computed {
rawMap[k] = raw.Value
if raw.ValueProcessed != nil {
rawMap[k] = raw.ValueProcessed
}
}
}
mapW := &MapFieldWriter{Schema: d.schema}
if err := mapW.WriteField(nil, rawMap); err != nil {
return nil
}
result.Attributes = mapW.Map()
if hasDynamicAttributes {
// If we have dynamic attributes, just copy the attributes map
// one for one into the result attributes.
for k, v := range d.setWriter.Map() {
// Don't clobber schema values. This limits usage of dynamic
// attributes to names which _do not_ conflict with schema
// keys!
if _, ok := result.Attributes[k]; !ok {
result.Attributes[k] = v
}
}
}
if d.newState != nil {
result.Ephemeral = d.newState.Ephemeral
}
// TODO: This is hacky and we can remove this when we have a proper
// state writer. We should instead have a proper StateFieldWriter
// and use that.
for k, schema := range d.schema {
if schema.Type != TypeMap {
continue
}
if result.Attributes[k] == "" {
delete(result.Attributes, k)
}
}
if v := d.Id(); v != "" {
result.Attributes["id"] = d.Id()
}
if d.state != nil {
result.Tainted = d.state.Tainted
}
return &result
}
// State returns the new InstanceState after the diff and any Set
// calls.
func (d *ResourceData) State() *terraform.InstanceState {
var result terraform.InstanceState
result.ID = d.Id()
result.Meta = d.meta
// If we have no ID, then this resource doesn't exist and we just
// return nil.
if result.ID == "" {
return nil
}
// In order to build the final state attributes, we read the full
// attribute set as a map[string]interface{}, write it to a MapFieldWriter,
// and then use that map.
rawMap := make(map[string]interface{})
for k := range d.schema {
source := getSourceSet
if d.partial {
source = getSourceState
if _, ok := d.partialMap[k]; ok {
source = getSourceSet
}
}
raw := d.get([]string{k}, source)
if raw.Exists && !raw.Computed {
rawMap[k] = raw.Value
if raw.ValueProcessed != nil {
rawMap[k] = raw.ValueProcessed
}
}
}
mapW := &MapFieldWriter{Schema: d.schema}
if err := mapW.WriteField(nil, rawMap); err != nil {
return nil
}
result.Attributes = mapW.Map()
if d.newState != nil {
result.Ephemeral = d.newState.Ephemeral
}
// TODO: This is hacky and we can remove this when we have a proper
// state writer. We should instead have a proper StateFieldWriter
// and use that.
for k, schema := range d.schema {
if schema.Type != TypeMap {
continue
}
if result.Attributes[k] == "" {
delete(result.Attributes, k)
}
}
if v := d.Id(); v != "" {
result.Attributes["id"] = d.Id()
}
if d.state != nil {
result.Tainted = d.state.Tainted
}
return &result
}