unkin/pdbmux
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config: drop primary/prefer and treat all backends equally

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- unmerged /pdb/query/v4/* paths now go to the first backend that answers, not a designated primary
This commit is contained in:
Unkin Agent
2026-09-05 11:53:45 +10:00
parent ffc2499f98
commit 2391f56a11
12 changed files with 424 additions and 432 deletions
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aggregate_test.go
+16 -16
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@@ -73,8 +73,8 @@ func TestParseAggregate_NoFunctionIsNotAggregate(t *testing.T) {
func TestSumRows_SharedKeysAreAdded(t *testing.T) {
spec := parseAggregate(`["extract",[["function","count"],"status"],["=","certname","h1"],["group_by","status"]]`)
merged := sumRows([]backendResult{
{name: "new", records: rows(`{"count":3,"status":"changed"}`, `{"count":1,"status":"failed"}`)},
{name: "old", records: rows(`{"count":4,"status":"changed"}`, `{"count":2,"status":"failed"}`)},
{name: "a", records: rows(`{"count":3,"status":"changed"}`, `{"count":1,"status":"failed"}`)},
{name: "b", records: rows(`{"count":4,"status":"changed"}`, `{"count":2,"status":"failed"}`)},
}, spec.columns)
want := []map[string]any{
@@ -89,8 +89,8 @@ func TestSumRows_SharedKeysAreAdded(t *testing.T) {
func TestSumRows_DisjointKeysAreKept(t *testing.T) {
spec := parseAggregate(`["extract",[["function","count"],"status"],["=","certname","h1"],["group_by","status"]]`)
merged := sumRows([]backendResult{
{name: "new", records: rows(`{"count":3,"status":"changed"}`)},
{name: "old", records: rows(`{"count":2,"status":"skipped"}`)},
{name: "a", records: rows(`{"count":3,"status":"changed"}`)},
{name: "b", records: rows(`{"count":2,"status":"skipped"}`)},
}, spec.columns)
want := []map[string]any{
@@ -106,8 +106,8 @@ func TestSumRows_SingleBackendRowKeepsUpstreamBytes(t *testing.T) {
spec := parseAggregate(`["extract",[["function","count"],"status"],["=","certname","h1"],["group_by","status"]]`)
const raw = `{"count":3,"status":"changed","extra":{"kept":true}}`
merged := sumRows([]backendResult{
{name: "new", records: rows(raw)},
{name: "old", records: nil},
{name: "a", records: rows(raw)},
{name: "b", records: nil},
}, spec.columns)
if len(merged) != 1 || string(merged[0]) != raw {
@@ -118,8 +118,8 @@ func TestSumRows_SingleBackendRowKeepsUpstreamBytes(t *testing.T) {
func TestSumRows_NonNumericAggregateColumnIsNotZeroed(t *testing.T) {
spec := parseAggregate(`["extract",[["function","count"],"status"],["=","certname","h1"],["group_by","status"]]`)
merged := sumRows([]backendResult{
{name: "new", records: rows(`{"count":5,"status":"changed"}`)},
{name: "old", records: rows(`{"count":null,"status":"changed"}`)},
{name: "a", records: rows(`{"count":5,"status":"changed"}`)},
{name: "b", records: rows(`{"count":null,"status":"changed"}`)},
}, spec.columns)
want := []map[string]any{{"count": float64(5), "status": "changed"}}
@@ -131,8 +131,8 @@ func TestSumRows_NonNumericAggregateColumnIsNotZeroed(t *testing.T) {
func TestSumRows_MissingAggregateColumnStartsFromTheNumericRow(t *testing.T) {
spec := parseAggregate(`["extract",[["function","count"],"status"],["=","certname","h1"],["group_by","status"]]`)
merged := sumRows([]backendResult{
{name: "new", records: rows(`{"status":"changed"}`)},
{name: "old", records: rows(`{"count":6,"status":"changed"}`)},
{name: "a", records: rows(`{"status":"changed"}`)},
{name: "b", records: rows(`{"count":6,"status":"changed"}`)},
}, spec.columns)
want := []map[string]any{{"count": float64(6), "status": "changed"}}
@@ -144,8 +144,8 @@ func TestSumRows_MissingAggregateColumnStartsFromTheNumericRow(t *testing.T) {
func TestSumRows_NonObjectRowsPassThrough(t *testing.T) {
spec := parseAggregate(`["extract",[["function","count"],"status"],["=","certname","h1"],["group_by","status"]]`)
merged := sumRows([]backendResult{
{name: "new", records: rows(`"surprise"`)},
{name: "old", records: rows(`{"count":1,"status":"changed"}`)},
{name: "a", records: rows(`"surprise"`)},
{name: "b", records: rows(`{"count":1,"status":"changed"}`)},
}, spec.columns)
if len(merged) != 2 || string(merged[0]) != `"surprise"` {
@@ -161,8 +161,8 @@ func TestSumRows_NoKeyColumnsCollapseToOneRow(t *testing.T) {
t.Fatal("expected an aggregate spec")
}
merged := sumRows([]backendResult{
{name: "new", records: rows(`{"count":10}`)},
{name: "old", records: rows(`{"count":32}`)},
{name: "a", records: rows(`{"count":10}`)},
{name: "b", records: rows(`{"count":32}`)},
}, spec.columns)
want := []map[string]any{{"count": float64(42)}}
@@ -188,11 +188,11 @@ func TestInferredColumns_SplitsCountsFromIdentity(t *testing.T) {
func TestSumRows_EventCountsPerSubject(t *testing.T) {
merged := sumRows([]backendResult{
{name: "new", records: rows(
{name: "a", records: rows(
`{"subject_type":"certname","subject":{"title":"h1"},"failures":1,"successes":2,"noops":0,"skips":0}`,
`{"subject_type":"certname","subject":{"title":"h2"},"failures":0,"successes":5,"noops":0,"skips":0}`,
)},
{name: "old", records: rows(
{name: "b", records: rows(
`{"subject_type":"certname","subject":{"title":"h1"},"failures":3,"successes":4,"noops":1,"skips":0}`,
)},
}, inferredColumns)