repo_description: A permissioned implementation of Ethereum supporting data privacy
repo_topics: blockchain consensus eea enterprise-ethereum enterprise-ethereum-client ethereum go goquorum ledger privacy protocols-team-goquorum quorum
code: // Copyright 2017 The go-ethereum Authors
  // This file is part of go-ethereum.
  //
  // go-ethereum is free software: you can redistribute it and/or modify
  // it under the terms of the GNU General Public License as published by
  // the Free Software Foundation, either version 3 of the License, or
  // (at your option) any later version.
  //
  // go-ethereum is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  // GNU General Public License for more details.
  //
  // You should have received a copy of the GNU General Public License
  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
  
  package main
  
  import (
  	"fmt"
  	"sort"
  
  	"github.com/ethereum/go-ethereum/log"
  )
  
  // deployEthstats queries the user for various input on deploying an ethstats
  // monitoring server, after which it executes it.
  func (w *wizard) deployEthstats() {
  	// Select the server to interact with
  	server := w.selectServer()
  	if server == "" {
  		return
  	}
  	client := w.servers[server]
  
  	// Retrieve any active ethstats configurations from the server
  	infos, err := checkEthstats(client, w.network)
  	if err != nil {
  		infos = &ethstatsInfos{
  			port:   80,
  			host:   client.server,
  			secret: "",
  		}
  	}
  	existed := err == nil
  
  	// Figure out which port to listen on
  	fmt.Println()
  	fmt.Printf("Which port should ethstats listen on? (default = %d)\n", infos.port)
  	infos.port = w.readDefaultInt(infos.port)
  
  	// Figure which virtual-host to deploy ethstats on
  	if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
  		log.Error("Failed to decide on ethstats host", "err", err)
  		return
  	}
  	// Port and proxy settings retrieved, figure out the secret and boot ethstats
  	fmt.Println()
  	if infos.secret == "" {
  		fmt.Printf("What should be the secret password for the API? (must not be empty)\n")
  		infos.secret = w.readString()
  	} else {
  		fmt.Printf("What should be the secret password for the API? (default = %s)\n", infos.secret)
  		infos.secret = w.readDefaultString(infos.secret)
  	}
  	// Gather any blacklists to ban from reporting
  	if existed {
  		fmt.Println()
  		fmt.Printf("Keep existing IP %v blacklist (y/n)? (default = yes)\n", infos.banned)
  		if !w.readDefaultYesNo(true) {
  			// The user might want to clear the entire list, although generally probably not
  			fmt.Println()
  			fmt.Printf("Clear out blacklist and start over (y/n)? (default = no)\n")
  			if w.readDefaultYesNo(false) {
  				infos.banned = nil
  			}
  			// Offer the user to explicitly add/remove certain IP addresses
  			fmt.Println()
  			fmt.Println("Which additional IP addresses should be blacklisted?")
  			for {
  				if ip := w.readIPAddress(); ip != "" {
  					infos.banned = append(infos.banned, ip)
  					continue
  				}
  				break
  			}
  			fmt.Println()
  			fmt.Println("Which IP addresses should not be blacklisted?")
  			for {
  				if ip := w.readIPAddress(); ip != "" {
  					for i, addr := range infos.banned {
  						if ip == addr {
  							infos.banned = append(infos.banned[:i], infos.banned[i+1:]...)
  							break
  						}
  					}
  					continue
  				}
  				break
  			}
  			sort.Strings(infos.banned)
  		}
  	}
  	// Try to deploy the ethstats server on the host
  	nocache := false
  	if existed {
  		fmt.Println()
  		fmt.Printf("Should the ethstats be built from scratch (y/n)? (default = no)\n")
  		nocache = w.readDefaultYesNo(false)
  	}
  	trusted := make([]string, 0, len(w.servers))
  	for _, client := range w.servers {
  		if client != nil {
  			trusted = append(trusted, client.address)
  		}
  	}
  	if out, err := deployEthstats(client, w.network, infos.port, infos.secret, infos.host, trusted, infos.banned, nocache); err != nil {
  		log.Error("Failed to deploy ethstats container", "err", err)
  		if len(out) > 0 {
  			fmt.Printf("%s\n", out)
  		}
  		return
  	}
  	// All ok, run a network scan to pick any changes up
  	w.networkStats()
  }
  