vitess.io/vitess@v0.16.2/go/cmd/vtctld/main.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreedto in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package main
    18  
    19  import (
    20  	"github.com/spf13/pflag"
    21  
    22  	"vitess.io/vitess/go/acl"
    23  	"vitess.io/vitess/go/exit"
    24  	"vitess.io/vitess/go/vt/servenv"
    25  	"vitess.io/vitess/go/vt/topo"
    26  	"vitess.io/vitess/go/vt/vtctld"
    27  )
    28  
    29  func init() {
    30  	servenv.RegisterDefaultFlags()
    31  	servenv.RegisterFlags()
    32  	servenv.RegisterGRPCServerFlags()
    33  	servenv.RegisterGRPCServerAuthFlags()
    34  	servenv.RegisterServiceMapFlag()
    35  
    36  	servenv.OnParse(func(fs *pflag.FlagSet) {
    37  		acl.RegisterFlags(fs)
    38  	})
    39  }
    40  
    41  // used at runtime by plug-ins
    42  var (
    43  	ts *topo.Server
    44  )
    45  
    46  func main() {
    47  	servenv.ParseFlags("vtctld")
    48  	servenv.Init()
    49  	defer servenv.Close()
    50  
    51  	ts = topo.Open()
    52  	defer ts.Close()
    53  
    54  	// Init the vtctld core
    55  	err := vtctld.InitVtctld(ts)
    56  	if err != nil {
    57  		exit.Return(1)
    58  	}
    59  
    60  	// Register http debug/health
    61  	vtctld.RegisterDebugHealthHandler(ts)
    62  
    63  	// Start schema manager service.
    64  	initSchema()
    65  
    66  	// And run the server.
    67  	servenv.RunDefault()
    68  }