36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
|
package statefile
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
|
||
|
|
"github.com/hashicorp/terraform/states"
|
||
|
|
)
|
||
|
|
|
||
|
|
// StatesMarshalEqual returns true if and only if the two given states have
|
||
|
|
// an identical (byte-for-byte) statefile representation.
|
||
|
|
//
|
||
|
|
// This function compares only the portions of the state that are persisted
|
||
|
|
// in state files, so for example it will not return false if the only
|
||
|
|
// differences between the two states are local values or descendent module
|
||
|
|
// outputs.
|
||
|
|
func StatesMarshalEqual(a, b *states.State) bool {
|
||
|
|
var aBuf bytes.Buffer
|
||
|
|
var bBuf bytes.Buffer
|
||
|
|
|
||
|
|
// We write here some temporary files that have no header information
|
||
|
|
// populated, thus ensuring that we're only comparing the state itself
|
||
|
|
// and not any metadata.
|
||
|
|
err := Write(&File{State: a}, &aBuf)
|
||
|
|
if err != nil {
|
||
|
|
// Should never happen, because we're writing to an in-memory buffer
|
||
|
|
panic(err)
|
||
|
|
}
|
||
|
|
err = Write(&File{State: b}, &bBuf)
|
||
|
|
if err != nil {
|
||
|
|
// Should never happen, because we're writing to an in-memory buffer
|
||
|
|
panic(err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return bytes.Equal(aBuf.Bytes(), bBuf.Bytes())
|
||
|
|
}
|