github.com/shashidharatd/test-infra@v0.0.0-20171006011030-71304e1ca560/velodrome/fetcher/fetcher.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes 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 agreed to 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  	"flag"
    21  	"os"
    22  	"path/filepath"
    23  	"time"
    24  
    25  	"k8s.io/test-infra/velodrome/sql"
    26  
    27  	"github.com/golang/glog"
    28  	_ "github.com/jinzhu/gorm/dialects/mysql"
    29  	"github.com/spf13/cobra"
    30  )
    31  
    32  type fetcherConfig struct {
    33  	Client
    34  	sql.MySQLConfig
    35  
    36  	once      bool
    37  	frequency int
    38  }
    39  
    40  func addRootFlags(cmd *cobra.Command, config *fetcherConfig) {
    41  	cmd.PersistentFlags().IntVar(&config.frequency, "frequency", 2, "Number of iterations per hour")
    42  	cmd.PersistentFlags().BoolVar(&config.once, "once", false, "Run once and then leave")
    43  	cmd.PersistentFlags().AddGoFlagSet(flag.CommandLine)
    44  }
    45  
    46  func runProgram(config *fetcherConfig) error {
    47  	if err := config.Client.CheckFlags(); err != nil {
    48  		return err
    49  	}
    50  
    51  	db, err := config.CreateDatabase()
    52  	if err != nil {
    53  		return err
    54  	}
    55  
    56  	ticker := time.Tick(time.Hour / time.Duration(config.frequency))
    57  
    58  	for {
    59  		tx := db.Begin()
    60  		UpdateIssues(tx, config)
    61  		tx.Commit()
    62  
    63  		if config.once {
    64  			break
    65  		}
    66  
    67  		<-ticker
    68  	}
    69  
    70  	return nil
    71  }
    72  
    73  func main() {
    74  	config := &fetcherConfig{}
    75  	root := &cobra.Command{
    76  		Use:   filepath.Base(os.Args[0]),
    77  		Short: "Fetches github database: Pull-requests, issues, and events",
    78  		RunE: func(_ *cobra.Command, _ []string) error {
    79  			return runProgram(config)
    80  		},
    81  	}
    82  	addRootFlags(root, config)
    83  	config.Client.AddFlags(root)
    84  	config.MySQLConfig.AddFlags(root)
    85  
    86  	if err := root.Execute(); err != nil {
    87  		glog.Fatalf("%v\n", err)
    88  	}
    89  }