migrator

package

v0.0.0-...-35a4376 Latest Latest Go to latest Published: Jan 6, 2024 License: MIT Imports: 9 Imported by: 0

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Repository

github.com/Ferrany1/system-tools

Documentation ¶

Index ¶

Variables
type MigrationInfo
- func (i MigrationInfo) MigrationID() string
type Migrator
- func NewMigrator(connection *connection.NatsConnection, options ...Option) (*Migrator, error)
- func (m *Migrator) IsMigrated(_ context.Context, migrations []pubsub.MigrationInfo) (bool, error)
- func (m *Migrator) Migrate(ctx context.Context, migrations []pubsub.MigrationInfo) error
type Option
- func WithCreateKV(replicas int) Option
type Policy

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrConsumerHasUnexpectedConfig = errors.New("consumer has unexpected config")

View Source

var ErrStreamHasUnexpectedConfig = errors.New("stream has unexpected config")

Functions ¶

This section is empty.

Types ¶

type MigrationInfo ¶

type MigrationInfo struct {
	ID        string                           `json:"id"`
	Policy    Policy                           `json:"policy"`
	Streams   []nats.StreamConfig              `json:"streams"`
	Consumers map[string][]nats.ConsumerConfig `json:"consumers"`
}

func (MigrationInfo) MigrationID ¶

func (i MigrationInfo) MigrationID() string

type Migrator ¶

type Migrator struct {
	// contains filtered or unexported fields
}

func NewMigrator ¶

func NewMigrator(connection *connection.NatsConnection, options ...Option) (*Migrator, error)

func (*Migrator) IsMigrated ¶

func (m *Migrator) IsMigrated(_ context.Context, migrations []pubsub.MigrationInfo) (bool, error)

func (*Migrator) Migrate ¶

func (m *Migrator) Migrate(ctx context.Context, migrations []pubsub.MigrationInfo) error

type Option ¶

type Option func(*Migrator)

func WithCreateKV ¶

func WithCreateKV(replicas int) Option

type Policy ¶

type Policy string

const (
	// Create new streams and consumers if they are not exist. Doesn't change any existing streams and consumers.
	// If some stream or consumer exists and has an unexpected configuration - an error will occur.
	AddOnlyPolicy Policy = "addOnly"
)

Source Files ¶

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