adv ttl mgmt: define schedule interface (#22590)

builtin/logical/database/backend.go

@@ -15,6 +15,7 @@ import (
 	log "github.com/hashicorp/go-hclog"
 	"github.com/hashicorp/go-secure-stdlib/strutil"
 	"github.com/hashicorp/go-uuid"
+	"github.com/hashicorp/vault/builtin/logical/database/schedule"
 	"github.com/hashicorp/vault/helper/metricsutil"
 	"github.com/hashicorp/vault/helper/syncmap"
 	"github.com/hashicorp/vault/internalshared/configutil"
@@ -25,7 +26,6 @@ import (
 	"github.com/hashicorp/vault/sdk/helper/locksutil"
 	"github.com/hashicorp/vault/sdk/logical"
 	"github.com/hashicorp/vault/sdk/queue"
-	"github.com/robfig/cron/v3"
 )
 
 const (
@@ -34,7 +34,6 @@ const (
 	databaseRolePath        = "role/"
 	databaseStaticRolePath  = "static-role/"
 	minRootCredRollbackAge  = 1 * time.Minute
-	scheduleOptionsDefault  = cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow
 )
 
 type dbPluginInstance struct {
@@ -129,6 +128,7 @@ func Backend(conf *logical.BackendConfig) *databaseBackend {
 	b.connections = syncmap.NewSyncMap[string, *dbPluginInstance]()
 	b.queueCtx, b.cancelQueueCtx = context.WithCancel(context.Background())
 	b.roleLocks = locksutil.CreateLocks()
+	b.schedule = &schedule.DefaultSchedule{}
 
 	return &b
 }
@@ -180,25 +180,7 @@ type databaseBackend struct {
 	gaugeCollectionProcess     *metricsutil.GaugeCollectionProcess
 	gaugeCollectionProcessStop sync.Once
 
-	// scheduleOptionsOverride is used by tests to set a custom ParseOption with seconds enabled
-	scheduleOptionsOverride cron.ParseOption
-}
-
-func (b *databaseBackend) ParseSchedule(rotationSchedule string) (*cron.SpecSchedule, error) {
-	scheduleOptions := scheduleOptionsDefault
-	if b.scheduleOptionsOverride != 0 {
-		scheduleOptions = b.scheduleOptionsOverride
-	}
-	parser := cron.NewParser(scheduleOptions)
-	schedule, err := parser.Parse(rotationSchedule)
-	if err != nil {
-		return nil, err
-	}
-	sched, ok := schedule.(*cron.SpecSchedule)
-	if !ok {
-		return nil, fmt.Errorf("invalid rotation schedule")
-	}
-	return sched, nil
+	schedule schedule.Scheduler
 }
 
 func (b *databaseBackend) DatabaseConfig(ctx context.Context, s logical.Storage, name string) (*DatabaseConfig, error) {

builtin/logical/database/path_roles.go

@@ -591,7 +591,7 @@ func (b *databaseBackend) pathStaticRoleCreateUpdate(ctx context.Context, req *l
 	}
 
 	if rotationScheduleOk {
-		parsedSchedule, err := b.ParseSchedule(rotationSchedule)
+		parsedSchedule, err := b.schedule.Parse(rotationSchedule)
 		if err != nil {
 			return logical.ErrorResponse("could not parse rotation_schedule", "error", err), nil
 		}
@@ -600,8 +600,9 @@ func (b *databaseBackend) pathStaticRoleCreateUpdate(ctx context.Context, req *l
 
 		if rotationWindowOk {
 			rotationWindowSeconds := rotationWindowSecondsRaw.(int)
-			if rotationWindowSeconds < minRotationWindowSeconds {
-				return logical.ErrorResponse(fmt.Sprintf("rotation_window must be %d seconds or more", minRotationWindowSeconds)), nil
+			err := b.schedule.ValidateRotationWindow(rotationWindowSeconds)
+			if err != nil {
+				return logical.ErrorResponse("rotation_window is invalid", "error", err), nil
 			}
 			role.StaticAccount.RotationWindow = time.Duration(rotationWindowSeconds) * time.Second
 		}

builtin/logical/database/path_roles_test.go

@@ -7,7 +7,6 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"strings"
 	"testing"
 	"time"
@@ -333,7 +332,7 @@ func TestBackend_StaticRole_Config(t *testing.T) {
 				"rotation_window":   "59s",
 			},
 			path:        "plugin-role-test",
-			err:  errors.New(fmt.Sprintf("rotation_window must be %d seconds or more", minRotationWindowSeconds)),
+			errContains: "rotation_window is invalid",
 		},
 		"disallowed role config": {
 			account: map[string]interface{}{
@@ -1152,7 +1151,7 @@ func TestIsInsideRotationWindow(t *testing.T) {
 			testTime := tc.now
 			if tc.data["rotation_schedule"] != nil && tc.timeModifier != nil {
 				rotationSchedule := tc.data["rotation_schedule"].(string)
-				schedule, err := b.ParseSchedule(rotationSchedule)
+				schedule, err := b.schedule.Parse(rotationSchedule)
 				if err != nil {
 					t.Fatalf("could not parse rotation_schedule: %s", err)
 				}

builtin/logical/database/rotation.go

@@ -22,9 +22,6 @@ const (
 	// Default interval to check the queue for items needing rotation
 	defaultQueueTickSeconds = 5
 
-	// Minimum allowed value for rotation_window
-	minRotationWindowSeconds = 3600
-
 	// Config key to set an alternate interval
 	queueTickIntervalKey = "rotation_queue_tick_interval"
 

builtin/logical/database/rotation_test.go

@@ -15,6 +15,7 @@ import (
 	"time"
 
 	"github.com/Sectorbob/mlab-ns2/gae/ns/digest"
+	"github.com/hashicorp/vault/builtin/logical/database/schedule"
 	"github.com/hashicorp/vault/helper/namespace"
 	"github.com/hashicorp/vault/helper/testhelpers/mongodb"
 	postgreshelper "github.com/hashicorp/vault/helper/testhelpers/postgresql"
@@ -35,7 +36,8 @@ import (
 const (
 	dbUser                       = "vaultstatictest"
 	dbUserDefaultPassword        = "password"
-	testScheduleOptionsSeconds = cron.Second | cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow
+	testMinRotationWindowSeconds = 10
+	testScheduleParseOptions     = cron.Second | cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow
 )
 
 func TestBackend_StaticRole_Rotation_basic(t *testing.T) {
@@ -56,7 +58,7 @@ func TestBackend_StaticRole_Rotation_basic(t *testing.T) {
 	}
 	defer b.Cleanup(context.Background())
 
-	b.scheduleOptionsOverride = testScheduleOptionsSeconds
+	b.schedule = &TestSchedule{}
 
 	cleanup, connURL := postgreshelper.PrepareTestContainer(t, "")
 	defer cleanup()
@@ -1297,7 +1299,7 @@ func TestStoredWALsCorrectlyProcessed(t *testing.T) {
 				t.Fatal(err)
 			}
 			b.credRotationQueue = queue.New()
-			b.scheduleOptionsOverride = testScheduleOptionsSeconds
+			b.schedule = &TestSchedule{}
 			configureDBMount(t, config.StorageView)
 			createRoleWithData(t, b, config.StorageView, mockDB, tc.wal.RoleName, tc.data)
 			role, err := b.StaticRole(ctx, config.StorageView, "hashicorp")
@@ -1458,7 +1460,7 @@ func getBackend(t *testing.T) (*databaseBackend, logical.Storage, *mockNewDataba
 	if err := b.Setup(context.Background(), config); err != nil {
 		t.Fatal(err)
 	}
-	b.scheduleOptionsOverride = testScheduleOptionsSeconds
+	b.schedule = &TestSchedule{}
 	b.credRotationQueue = queue.New()
 	b.populateQueue(context.Background(), config.StorageView)
 
@@ -1548,3 +1550,27 @@ func assertPriorityUnchanged(t *testing.T, priority int64, nextRotationTime time
 		t.Fatalf("expected next rotation at %s, but got %s", nextRotationTime, time.Unix(priority, 0).String())
 	}
 }
+
+var _ schedule.Scheduler = &TestSchedule{}
+
+type TestSchedule struct{}
+
+func (d *TestSchedule) Parse(rotationSchedule string) (*cron.SpecSchedule, error) {
+	parser := cron.NewParser(testScheduleParseOptions)
+	schedule, err := parser.Parse(rotationSchedule)
+	if err != nil {
+		return nil, err
+	}
+	sched, ok := schedule.(*cron.SpecSchedule)
+	if !ok {
+		return nil, fmt.Errorf("invalid rotation schedule")
+	}
+	return sched, nil
+}
+
+func (d *TestSchedule) ValidateRotationWindow(s int) error {
+	if s < testMinRotationWindowSeconds {
+		return fmt.Errorf("rotation_window must be %d seconds or more", testMinRotationWindowSeconds)
+	}
+	return nil
+}

builtin/logical/database/schedule/schedule.go

@@ -0,0 +1,42 @@
+package schedule
+
+import (
+	"fmt"
+
+	"github.com/robfig/cron/v3"
+)
+
+const (
+	// Minimum allowed value for rotation_window
+	minRotationWindowSeconds = 3600
+	parseOptions             = cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow
+)
+
+type Scheduler interface {
+	Parse(string) (*cron.SpecSchedule, error)
+	ValidateRotationWindow(int) error
+}
+
+var _ Scheduler = &DefaultSchedule{}
+
+type DefaultSchedule struct{}
+
+func (d *DefaultSchedule) Parse(rotationSchedule string) (*cron.SpecSchedule, error) {
+	parser := cron.NewParser(parseOptions)
+	schedule, err := parser.Parse(rotationSchedule)
+	if err != nil {
+		return nil, err
+	}
+	sched, ok := schedule.(*cron.SpecSchedule)
+	if !ok {
+		return nil, fmt.Errorf("invalid rotation schedule")
+	}
+	return sched, nil
+}
+
+func (d *DefaultSchedule) ValidateRotationWindow(s int) error {
+	if s < minRotationWindowSeconds {
+		return fmt.Errorf("rotation_window must be %d seconds or more", minRotationWindowSeconds)
+	}
+	return nil
+}