feat(query/log): remove unused tail scan (#486)

Signed-off-by: Gyuho Lee <[email protected]>

Signed-off-by: Gyuho Lee <[email protected]>

pkg/query/log/poller.go

@@ -38,18 +38,6 @@ type Poller interface {
 	// Returns the commands that this poller is running.
 	Commands() [][]string
 
-	// Tails the last N lines without polling, just by reading the file
-	// from the end of the file.
-	// Thus, the returned items are sorted by the time from new to old.
-	//
-	// Useful for investing the old dmesg logs.
-	// Use this to backfill events for the old logs.
-	//
-	// If select filter is none, it returns all events
-	// that are already filtered by the default filters
-	// in the configuration.
-	TailScan(ctx context.Context, opts ...query_log_tail.OpOption) ([]Item, error)
-
 	// Returns all the events for the given "since" time.
 	// If none, it returns all events that are already filtered
 	// by the default filters in the configuration.

pkg/query/log/poller_test.go

@@ -10,7 +10,6 @@ import (
 	query_config "github.com/leptonai/gpud/pkg/query/config"
 	query_log_common "github.com/leptonai/gpud/pkg/query/log/common"
 	query_log_config "github.com/leptonai/gpud/pkg/query/log/config"
-	query_log_tail "github.com/leptonai/gpud/pkg/query/log/tail"
 
 	"github.com/nxadm/tail"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -63,14 +62,6 @@ func TestPoller(t *testing.T) {
 	if synced != 20 { // 20 lines
 		t.Fatalf("expected 20 seek info sync, got %d", synced)
 	}
-
-	evs, err := poller.TailScan(ctx, query_log_tail.WithLinesToTail(1000))
-	if err != nil {
-		t.Fatalf("failed to tail: %v", err)
-	}
-	if len(evs) != 20 {
-		t.Fatalf("expected 20 events, got %d", len(evs))
-	}
 }
 
 func TestPollerTail(t *testing.T) {
@@ -136,14 +127,6 @@ func TestPollerTail(t *testing.T) {
 	if synced != 2 { // 2 lines
 		t.Fatalf("expected 2 seek info sync, got %d", synced)
 	}
-
-	evs, err := poller.TailScan(ctx, query_log_tail.WithLinesToTail(1000))
-	if err != nil {
-		t.Fatalf("failed to tail: %v", err)
-	}
-	if len(evs) != 2 {
-		t.Fatalf("expected 2 events, got %d", len(evs))
-	}
 }
 
 func TestItemJSON(t *testing.T) {