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// Main package for the mongofiles tool.
package main
import (
"fmt"
"github.com/mongodb/mongo-tools/common/db"
"github.com/mongodb/mongo-tools/common/log"
"github.com/mongodb/mongo-tools/common/options"
"github.com/mongodb/mongo-tools/common/signals"
"github.com/mongodb/mongo-tools/common/util"
"github.com/mongodb/mongo-tools/mongofiles"
"os"
)
func main() {
// initialize command-line opts
opts := options.New("mongofiles", mongofiles.Usage, options.EnabledOptions{Auth: true, Connection: true, Namespace: false})
storageOpts := &mongofiles.StorageOptions{}
opts.AddOptions(storageOpts)
inputOpts := &mongofiles.InputOptions{}
opts.AddOptions(inputOpts)
args, err := opts.Parse()
if err != nil {
log.Logvf(log.Always, "error parsing command line options: %v", err)
log.Logvf(log.Always, "try 'mongofiles --help' for more information")
os.Exit(util.ExitBadOptions)
}
// print help, if specified
if opts.PrintHelp(false) {
return
}
// print version, if specified
if opts.PrintVersion() {
return
}
log.SetVerbosity(opts.Verbosity)
signals.Handle()
// add the specified database to the namespace options struct
opts.Namespace.DB = storageOpts.DB
// connect directly, unless a replica set name is explicitly specified
_, setName := util.ParseConnectionString(opts.Host)
opts.Direct = (setName == "")
opts.ReplicaSetName = setName
// create a session provider to connect to the db
provider, err := db.NewSessionProvider(*opts)
defer provider.Close()
if err != nil {
log.Logvf(log.Always, "error connecting to host: %v", err)
os.Exit(util.ExitError)
}
mf := mongofiles.MongoFiles{
ToolOptions: opts,
StorageOptions: storageOpts,
SessionProvider: provider,
InputOptions: inputOpts,
}
if err := mf.ValidateCommand(args); err != nil {
log.Logvf(log.Always, "%v", err)
log.Logvf(log.Always, "try 'mongofiles --help' for more information")
os.Exit(util.ExitBadOptions)
}
output, err := mf.Run(true)
if err != nil {
log.Logvf(log.Always, "Failed: %v", err)
os.Exit(util.ExitError)
}
fmt.Printf("%s", output)
}
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