config raft apply silent error (#10657)

* return an error when the index is not valid

* check response as bool when applying `CAOpSetConfig`

* remove check for bool response

* fix error message and add check to test

* fix comment

* add changelog
This commit is contained in:
Dhia Ayachi 2021-07-22 10:32:27 -04:00 committed by GitHub
parent c9c80b5ef6
commit b725605fe4
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3 changed files with 12 additions and 5 deletions

3
.changelog/10657.txt Normal file
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@ -0,0 +1,3 @@
```release-note:bug
ca: report an error when setting the ca config fail because of an index check.
```

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@ -2,7 +2,9 @@ package state
import (
"fmt"
"github.com/hashicorp/go-memdb"
"github.com/pkg/errors"
"github.com/hashicorp/consul/agent/structs"
)
@ -141,7 +143,7 @@ func (s *Store) CASetConfig(idx uint64, config *structs.CAConfiguration) error {
// CACheckAndSetConfig is used to try updating the CA configuration with a
// given Raft index. If the CAS index specified is not equal to the last observed index
// for the config, then the call is a noop,
// for the config, then the call will return an error,
func (s *Store) CACheckAndSetConfig(idx, cidx uint64, config *structs.CAConfiguration) (bool, error) {
tx := s.db.WriteTxn(idx)
defer tx.Abort()
@ -157,7 +159,7 @@ func (s *Store) CACheckAndSetConfig(idx, cidx uint64, config *structs.CAConfigur
// return early here.
e, ok := existing.(*structs.CAConfiguration)
if (ok && e.ModifyIndex != cidx) || (!ok && cidx != 0) {
return false, nil
return false, errors.Errorf("ModifyIndex did not match existing")
}
if err := s.caSetConfigTxn(idx, tx, config); err != nil {

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@ -4,6 +4,8 @@ import (
"reflect"
"testing"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/go-memdb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
@ -59,9 +61,9 @@ func TestStore_CAConfigCAS(t *testing.T) {
ok, err := s.CACheckAndSetConfig(2, 0, &structs.CAConfiguration{
Provider: "static",
})
if ok || err != nil {
t.Fatalf("expected (false, nil), got: (%v, %#v)", ok, err)
}
require.False(t, ok)
testutil.RequireErrorContains(t, err, "ModifyIndex did not match existing")
// Check that the index is untouched and the entry
// has not been updated.