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store.go
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store.go
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// Copyright 2021 Chaos Mesh Authors.
//
// 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 store
import (
"context"
"github.com/go-logr/logr"
"github.com/jinzhu/gorm"
"go.uber.org/fx"
controllermetrics "sigs.k8s.io/controller-runtime/pkg/metrics"
config "github.com/chaos-mesh/chaos-mesh/pkg/config"
"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/store/event"
"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/store/experiment"
"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/store/metrics"
"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/store/schedule"
"github.com/chaos-mesh/chaos-mesh/pkg/dashboard/store/workflow"
)
var (
// Module includes the providers provided by store.
Module = fx.Options(
fx.Provide(
experiment.NewStore,
event.NewStore,
schedule.NewStore,
workflow.NewStore,
),
fx.Supply(controllermetrics.Registry),
fx.Invoke(metrics.Register),
fx.Invoke(experiment.DeleteIncompleteExperiments),
fx.Invoke(schedule.DeleteIncompleteSchedules),
)
sqliteDriver = "sqlite3"
)
// NewDBStore returns a new gorm.DB
func NewDBStore(lc fx.Lifecycle, conf *config.ChaosDashboardConfig, logger logr.Logger) (*gorm.DB, error) {
ds := conf.Database.Datasource
// fix error `database is locked`, refer to https://github.com/mattn/go-sqlite3/blob/master/README.md#faq
if conf.Database.Driver == sqliteDriver {
ds += "?cache=shared"
}
gormDB, err := gorm.Open(conf.Database.Driver, ds)
if err != nil {
logger.Error(err, "Failed to open DB: ", "driver => ", conf.Database.Driver)
return nil, err
}
// fix error `database is locked`, refer to https://github.com/mattn/go-sqlite3/blob/master/README.md#faq
if conf.Database.Driver == sqliteDriver {
gormDB.DB().SetMaxOpenConns(1)
}
lc.Append(fx.Hook{
OnStop: func(context.Context) error {
return gormDB.Close()
},
})
return gormDB, nil
}