/
root.go
138 lines (107 loc) · 4.44 KB
/
root.go
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// Copyright © 2019 NAME HERE <EMAIL ADDRESS>
//
// 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 cmd
import (
"fmt"
"github.com/paulmatencio/s3c/gLog"
"github.com/paulmatencio/s3c/utils"
"log"
"os"
"path/filepath"
"time"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
config,bucket,levelDBUrl,cc string
verbose, Debug,autoCompletion bool
loglevel,profiling, bucketNumber, retryNumber int
waitTime time.Duration
missingBucket = "Missing bucket - please provide the bucket name"
missingPrefix = "Missing prefix - please provide the prefix of the keys"
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "sindexd",
Short: "Toolbox for sindexd to S3 migration and for sindexd to sindexd replication",
Long: ``,
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func init() {
rootCmd.PersistentFlags().IntVarP(&loglevel, "loglevel", "l", 0,"Output level of logs (1: error, 2: Warning, 3: Info , 4 Trace, 5 Debug)")
rootCmd.PersistentFlags().StringVarP(&config,"config", "c","", "sc config file; default $HOME/.sindexd/config.yaml")
rootCmd.PersistentFlags().BoolVarP(&autoCompletion,"autoCompletion", "C",false, "generate bash auto completion")
rootCmd.PersistentFlags().IntVarP(&profiling,"profiling", "P",0, "display memory usage every P seconds")
rootCmd.PersistentFlags().StringVarP(&cc,"cc", "a","", "string to be appended to the path directory of the log")
// bind application flags to viper key for future viper.Get()
// viper also to set default value to any key
viper.BindPFlag("loglevel",rootCmd.PersistentFlags().Lookup("loglevel"))
viper.BindPFlag("autoCompletion",rootCmd.PersistentFlags().Lookup("autoCompletion"))
viper.BindPFlag("profiling",rootCmd.PersistentFlags().Lookup("profiling"))
cobra.OnInitialize(initConfig)
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
// utils.InitConfig(config,*viper.GetViper(),*RootCmd)
var configPath string
if config != "" {
// Use config file from the application flag.
viper.SetConfigFile(config)
} else {
// Find home directory.
home, err := homedir.Dir()
if err != nil {
log.Fatalln(err)
}
configPath = filepath.Join("/etc/sindexd") // call multiple times to add many search paths
viper.AddConfigPath(configPath) // another path to look for the config file
configPath = filepath.Join(home,".sindexd")
viper.AddConfigPath(configPath) // path to look for the config file
viper.AddConfigPath(".") // optionally look for config in the working directory
viper.SetConfigName("config") // name of the config file without the extension
viper.SetConfigType("yaml")
}
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
log.Printf("Using config file: %s", viper.ConfigFileUsed())
} else {
log.Printf("Error %v reading config file %s",err,viper.ConfigFileUsed())
log.Printf("AWS sdk shared config will be used if present ")
}
logOutput:= utils.GetLogOutput(*viper.GetViper())
loglevel = utils.SetLogLevel(*viper.GetViper(),loglevel)
bucketNumber = utils.GetNumberOfBucket(*viper.GetViper())
levelDBUrl = utils.GetLevelDBUrl(*viper.GetViper())
if logOutput != "terminal" {
logOutput += string(os.PathSeparator) + cc
}
waitTime = utils.GetWaitTime(*viper.GetViper())
if retryNumber =utils.GetRetryNumber(*viper.GetViper()); retryNumber == 0 {
retryNumber =1
}
gLog.InitLog(rootCmd.Name(),loglevel,logOutput)
log.Printf("Logging level: %d Output: %s",loglevel,logOutput)
if autoCompletion {
utils.GenAutoCompletionScript(rootCmd,configPath)
}
}