github.com/niluplatform/go-nilu@v1.7.4-0.20200912082737-a0cb0776d52c/cmd/puppeth/wizard_ethstats.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of go-ethereum.
     3  //
     4  // go-ethereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // go-ethereum is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"sort"
    22  
    23  	"github.com/NiluPlatform/go-nilu/log"
    24  )
    25  
    26  // deployEthstats queries the user for various input on deploying an ethstats
    27  // monitoring server, after which it executes it.
    28  func (w *wizard) deployEthstats() {
    29  	// Select the server to interact with
    30  	server := w.selectServer()
    31  	if server == "" {
    32  		return
    33  	}
    34  	client := w.servers[server]
    35  
    36  	// Retrieve any active ethstats configurations from the server
    37  	infos, err := checkEthstats(client, w.network)
    38  	if err != nil {
    39  		infos = &ethstatsInfos{
    40  			port:   80,
    41  			host:   client.server,
    42  			secret: "",
    43  		}
    44  	}
    45  	existed := err == nil
    46  
    47  	// Figure out which port to listen on
    48  	fmt.Println()
    49  	fmt.Printf("Which port should ethstats listen on? (default = %d)\n", infos.port)
    50  	infos.port = w.readDefaultInt(infos.port)
    51  
    52  	// Figure which virtual-host to deploy ethstats on
    53  	if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
    54  		log.Error("Failed to decide on ethstats host", "err", err)
    55  		return
    56  	}
    57  	// Port and proxy settings retrieved, figure out the secret and boot ethstats
    58  	fmt.Println()
    59  	if infos.secret == "" {
    60  		fmt.Printf("What should be the secret password for the API? (must not be empty)\n")
    61  		infos.secret = w.readString()
    62  	} else {
    63  		fmt.Printf("What should be the secret password for the API? (default = %s)\n", infos.secret)
    64  		infos.secret = w.readDefaultString(infos.secret)
    65  	}
    66  	// Gather any blacklists to ban from reporting
    67  	if existed {
    68  		fmt.Println()
    69  		fmt.Printf("Keep existing IP %v blacklist (y/n)? (default = yes)\n", infos.banned)
    70  		if w.readDefaultString("y") != "y" {
    71  			// The user might want to clear the entire list, although generally probably not
    72  			fmt.Println()
    73  			fmt.Printf("Clear out blacklist and start over (y/n)? (default = no)\n")
    74  			if w.readDefaultString("n") != "n" {
    75  				infos.banned = nil
    76  			}
    77  			// Offer the user to explicitly add/remove certain IP addresses
    78  			fmt.Println()
    79  			fmt.Println("Which additional IP addresses should be blacklisted?")
    80  			for {
    81  				if ip := w.readIPAddress(); ip != "" {
    82  					infos.banned = append(infos.banned, ip)
    83  					continue
    84  				}
    85  				break
    86  			}
    87  			fmt.Println()
    88  			fmt.Println("Which IP addresses should not be blacklisted?")
    89  			for {
    90  				if ip := w.readIPAddress(); ip != "" {
    91  					for i, addr := range infos.banned {
    92  						if ip == addr {
    93  							infos.banned = append(infos.banned[:i], infos.banned[i+1:]...)
    94  							break
    95  						}
    96  					}
    97  					continue
    98  				}
    99  				break
   100  			}
   101  			sort.Strings(infos.banned)
   102  		}
   103  	}
   104  	// Try to deploy the ethstats server on the host
   105  	nocache := false
   106  	if existed {
   107  		fmt.Println()
   108  		fmt.Printf("Should the ethstats be built from scratch (y/n)? (default = no)\n")
   109  		nocache = w.readDefaultString("n") != "n"
   110  	}
   111  	trusted := make([]string, 0, len(w.servers))
   112  	for _, client := range w.servers {
   113  		if client != nil {
   114  			trusted = append(trusted, client.address)
   115  		}
   116  	}
   117  	if out, err := deployEthstats(client, w.network, infos.port, infos.secret, infos.host, trusted, infos.banned, nocache); err != nil {
   118  		log.Error("Failed to deploy ethstats container", "err", err)
   119  		if len(out) > 0 {
   120  			fmt.Printf("%s\n", out)
   121  		}
   122  		return
   123  	}
   124  	// All ok, run a network scan to pick any changes up
   125  	w.networkStats()
   126  }