feat: persist scaling policies to Postgres

Adds scaling_policies table and wires the autoscaler: upsert on every
SetScalingPolicy (including delete-as-disable), LoadPolicies hydrates
policies + service states at boot. Persist failures are logged, never
fatal — in-memory state stays authoritative.

Verified live: policy written on POST, survives a full backend restart,
service state re-registers at min_replicas. Also gofmt-fixes the
drifted databases.go struct tags.

Authored By: TDvorak <[email protected]>

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
This commit is contained in:
Tomas DvorakandDevin committed 2026-09-17 18:44:06 +02:00
1 parent b61203f908
commit 25e4f676a9
5 files changed
+169 -23

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@@ -40,21 +40,21 @@ const (
// DatabaseService represents a managed database service
type DatabaseService struct {
ID string `json:"id" db:"id"`
Name string `json:"name" db:"name"`
Type string `json:"type" db:"type"` // postgresql, redis, mysql, mariadb, mongodb, clickhouse, dragonfly
Status string `json:"status" db:"status"` // running, stopped, building, error
Version string `json:"version" db:"version"`
Plan string `json:"plan" db:"plan"` // hobby, starter, standard, business
Region string `json:"region" db:"region"`
BackupSchedule string `json:"backup_schedule,omitempty"`
NextBackupAt *time.Time `json:"next_backup_at,omitempty"`
CreatedAt time.Time `json:"created_at" db:"created_at"`
UpdatedAt time.Time `json:"updated_at" db:"updated_at"`
ConnectionURL string `json:"connection_url"`
Metrics DatabaseMetrics `json:"metrics"`
Backups DatabaseBackupConfig `json:"backups"`
Settings DatabaseSettings `json:"settings"`
ID string `json:"id" db:"id"`
Name string `json:"name" db:"name"`
Type string `json:"type" db:"type"` // postgresql, redis, mysql, mariadb, mongodb, clickhouse, dragonfly
Status string `json:"status" db:"status"` // running, stopped, building, error
Version string `json:"version" db:"version"`
Plan string `json:"plan" db:"plan"` // hobby, starter, standard, business
Region string `json:"region" db:"region"`
BackupSchedule string `json:"backup_schedule,omitempty"`
NextBackupAt *time.Time `json:"next_backup_at,omitempty"`
CreatedAt time.Time `json:"created_at" db:"created_at"`
UpdatedAt time.Time `json:"updated_at" db:"updated_at"`
ConnectionURL string `json:"connection_url"`
Metrics DatabaseMetrics `json:"metrics"`
Backups DatabaseBackupConfig `json:"backups"`
Settings DatabaseSettings `json:"settings"`
}
// DatabaseMetrics represents database performance metrics
@@ -1040,7 +1040,7 @@ func (h *DatabaseHandler) resolveManagedRuntimeStatus(ctx context.Context, db Da
func mapDatabaseServiceListRow(row sqlcdb.ListDatabaseServicesByUserRow) DatabaseService {
return DatabaseService{
ID: row.ID,
ID: row.ID,
Name: row.Name,
Type: row.Type,
Status: row.Status,