migration_1_1_0.go

// Copyright 2022 Northern.tech AS
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

package mongo

import (
	"context"

	"go.mongodb.org/mongo-driver/bson"
	"go.mongodb.org/mongo-driver/mongo"
	mopts "go.mongodb.org/mongo-driver/mongo/options"

	"github.com/mendersoftware/go-lib-micro/mongo/migrate"
)

const (
	IndexNameEventsGet = KeyTenantID + "_" + KeyID
)

type migration_1_1_0 struct {
	client *mongo.Client
	db     string
}

// Up creates indexes for fetching event documents
func (m *migration_1_1_0) Up(from migrate.Version) error {
	ctx := context.Background()
	eventModel := mongo.IndexModel{
		Keys: bson.D{
			// $match ($eq)
			{Key: KeyTenantID, Value: 1},
			// $sort
			{Key: KeyEventTs, Value: -1},
		},
		Options: mopts.Index().
			SetName(IndexNameEventsGet),
	}
	idxEvents := m.client.
		Database(m.db).
		Collection(CollNameLog).
		Indexes()

	_, err := idxEvents.CreateOne(ctx, eventModel)
	return err
}

func (m *migration_1_1_0) Version() migrate.Version {
	return migrate.MakeVersion(1, 1, 0)
}