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restorer.go
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/
restorer.go
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package main
import (
"context"
"errors"
"os"
"github.com/mongodb/mongo-tools/common/log"
"github.com/mongodb/mongo-tools/common/signals"
"github.com/mongodb/mongo-tools/common/util"
"github.com/mongodb/mongo-tools/mongorestore"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
func listDatabases() []string {
uri := os.Getenv("MONGO_URI")
client, err := mongo.NewClient(options.Client().ApplyURI(uri))
if err != nil {
panic(err)
}
if err := client.Connect(context.Background()); err != nil {
panic(err)
}
result, err := client.ListDatabaseNames(context.Background(), bson.D{})
if err != nil {
panic(err)
}
return result
}
func restore(dir string) error {
uri := os.Getenv("MONGO_URI")
opts, err := mongorestore.ParseOptions([]string{"--uri", uri, dir}, "bashdump", "bashdump")
if err != nil {
log.Logv(log.Always, err.Error())
log.Logvf(log.Always, util.ShortUsage("mongorestore"))
return err
}
// print help or version info, if specified
if opts.PrintHelp(false) {
return errors.New("Help")
}
if opts.PrintVersion() {
return errors.New("Version")
}
restore, err := mongorestore.New(opts)
if err != nil {
log.Logvf(log.Always, err.Error())
return err
}
defer restore.Close()
finishedChan := signals.HandleWithInterrupt(restore.HandleInterrupt)
defer close(finishedChan)
result := restore.Restore()
if result.Err != nil {
log.Logvf(log.Always, "Failed: %v", result.Err)
}
if restore.ToolOptions.WriteConcern.Acknowledged() {
log.Logvf(log.Always, "%v document(s) restored successfully. %v document(s) failed to restore.", result.Successes, result.Failures)
} else {
log.Logvf(log.Always, "done")
}
return result.Err
}