Jo
137 lines
4.5 KiB
Go
137 lines
4.5 KiB
Go
package anonstore
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"github.com/grafana/grafana/pkg/infra/db"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/services/sqlstore"
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"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
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)
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const cacheKeyPrefix = "anon-device"
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type AnonDBStore struct {
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sqlStore db.DB
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log log.Logger
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}
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type Device struct {
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ID int64 `json:"-" xorm:"id" db:"id"`
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DeviceID string `json:"device_id" xorm:"device_id" db:"device_id"`
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ClientIP string `json:"client_ip" xorm:"client_ip" db:"client_ip"`
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UserAgent string `json:"user_agent" xorm:"user_agent" db:"user_agent"`
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CreatedAt time.Time `json:"created_at" xorm:"created_at" db:"created_at"`
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UpdatedAt time.Time `json:"updated_at" xorm:"updated_at" db:"updated_at"`
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}
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func (a *Device) CacheKey() string {
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return strings.Join([]string{cacheKeyPrefix, a.DeviceID}, ":")
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}
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type AnonStore interface {
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// ListDevices returns all devices that have been updated between the given times.
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ListDevices(ctx context.Context, from *time.Time, to *time.Time) ([]*Device, error)
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// CreateOrUpdateDevice creates or updates a device.
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CreateOrUpdateDevice(ctx context.Context, device *Device) error
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// CountDevices returns the number of devices that have been updated between the given times.
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CountDevices(ctx context.Context, from time.Time, to time.Time) (int64, error)
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// DeleteDevice deletes a device by its ID.
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DeleteDevice(ctx context.Context, deviceID string) error
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// DeleteDevicesOlderThan deletes all devices that have no been updated since the given time.
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DeleteDevicesOlderThan(ctx context.Context, olderThan time.Time) error
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}
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func ProvideAnonDBStore(sqlStore db.DB) *AnonDBStore {
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return &AnonDBStore{sqlStore: sqlStore, log: log.New("anonstore")}
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}
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func (s *AnonDBStore) ListDevices(ctx context.Context, from *time.Time, to *time.Time) ([]*Device, error) {
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devices := []*Device{}
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query := "SELECT * FROM anon_device"
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args := []any{}
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if from != nil && to != nil {
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query += " WHERE updated_at BETWEEN ? AND ?"
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args = append(args, from.UTC(), to.UTC())
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}
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err := s.sqlStore.WithDbSession(ctx, func(dbSession *sqlstore.DBSession) error {
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return dbSession.SQL(query, args...).Find(&devices)
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})
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return devices, err
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}
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func (s *AnonDBStore) CreateOrUpdateDevice(ctx context.Context, device *Device) error {
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var query string
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args := []any{device.DeviceID, device.ClientIP, device.UserAgent,
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device.CreatedAt.UTC(), device.UpdatedAt.UTC()}
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switch s.sqlStore.GetDBType() {
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case migrator.Postgres:
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query = `INSERT INTO anon_device (device_id, client_ip, user_agent, created_at, updated_at)
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VALUES ($1, $2, $3, $4, $5)
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ON CONFLICT (device_id) DO UPDATE SET
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client_ip = $2,
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user_agent = $3,
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updated_at = $5
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RETURNING id`
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case migrator.MySQL:
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query = `INSERT INTO anon_device (device_id, client_ip, user_agent, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?)
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ON DUPLICATE KEY UPDATE
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client_ip = VALUES(client_ip),
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user_agent = VALUES(user_agent),
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updated_at = VALUES(updated_at)`
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case migrator.SQLite:
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query = `INSERT INTO anon_device (device_id, client_ip, user_agent, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?)
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ON CONFLICT (device_id) DO UPDATE SET
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client_ip = excluded.client_ip,
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user_agent = excluded.user_agent,
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updated_at = excluded.updated_at`
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default:
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return fmt.Errorf("unsupported database driver: %s", s.sqlStore.GetDBType())
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}
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err := s.sqlStore.WithDbSession(ctx, func(dbSession *sqlstore.DBSession) error {
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args = append([]any{query}, args...)
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_, err := dbSession.Exec(args...)
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return err
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})
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return err
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}
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func (s *AnonDBStore) CountDevices(ctx context.Context, from time.Time, to time.Time) (int64, error) {
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var count int64
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err := s.sqlStore.WithDbSession(ctx, func(dbSession *sqlstore.DBSession) error {
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_, err := dbSession.SQL("SELECT COUNT(*) FROM anon_device WHERE updated_at BETWEEN ? AND ?", from.UTC(), to.UTC()).Get(&count)
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return err
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})
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return count, err
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}
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func (s *AnonDBStore) DeleteDevice(ctx context.Context, deviceID string) error {
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err := s.sqlStore.WithDbSession(ctx, func(dbSession *sqlstore.DBSession) error {
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_, err := dbSession.Exec("DELETE FROM anon_device WHERE device_id = ?", deviceID)
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return err
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})
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return err
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}
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// deleteOldDevices deletes all devices that have no been updated since the given time.
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func (s *AnonDBStore) DeleteDevicesOlderThan(ctx context.Context, olderThan time.Time) error {
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err := s.sqlStore.WithDbSession(ctx, func(dbSession *sqlstore.DBSession) error {
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_, err := dbSession.Exec("DELETE FROM anon_device WHERE updated_at <= ?", olderThan.UTC())
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return err
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})
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return err
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}
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