github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/cmd/puppeth/wizard_explorer.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package main
    13  
    14  import (
    15  	"encoding/json"
    16  	"fmt"
    17  	"time"
    18  
    19  	"github.com/Sberex/go-sberex/log"
    20  )
    21  
    22  // deployExplorer creates a new block explorer based on some user input.
    23  func (w *wizard) deployExplorer() {
    24  	// Do some sanity check before the user wastes time on input
    25  	if w.conf.Genesis == nil {
    26  		log.Error("No genesis block configured")
    27  		return
    28  	}
    29  	if w.conf.ethstats == "" {
    30  		log.Error("No ethstats server configured")
    31  		return
    32  	}
    33  	if w.conf.Genesis.Config.Ethash == nil {
    34  		log.Error("Only ethash network supported")
    35  		return
    36  	}
    37  	// Select the server to interact with
    38  	server := w.selectServer()
    39  	if server == "" {
    40  		return
    41  	}
    42  	client := w.servers[server]
    43  
    44  	// Retrieve any active node configurations from the server
    45  	infos, err := checkExplorer(client, w.network)
    46  	if err != nil {
    47  		infos = &explorerInfos{
    48  			nodePort: 30303, webPort: 80, webHost: client.server,
    49  		}
    50  	}
    51  	existed := err == nil
    52  
    53  	chainspec, err := newParityChainSpec(w.network, w.conf.Genesis, w.conf.bootnodes)
    54  	if err != nil {
    55  		log.Error("Failed to create chain spec for explorer", "err", err)
    56  		return
    57  	}
    58  	chain, _ := json.MarshalIndent(chainspec, "", "  ")
    59  
    60  	// Figure out which port to listen on
    61  	fmt.Println()
    62  	fmt.Printf("Which port should the explorer listen on? (default = %d)\n", infos.webPort)
    63  	infos.webPort = w.readDefaultInt(infos.webPort)
    64  
    65  	// Figure which virtual-host to deploy ethstats on
    66  	if infos.webHost, err = w.ensureVirtualHost(client, infos.webPort, infos.webHost); err != nil {
    67  		log.Error("Failed to decide on explorer host", "err", err)
    68  		return
    69  	}
    70  	// Figure out where the user wants to store the persistent data
    71  	fmt.Println()
    72  	if infos.datadir == "" {
    73  		fmt.Printf("Where should data be stored on the remote machine?\n")
    74  		infos.datadir = w.readString()
    75  	} else {
    76  		fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
    77  		infos.datadir = w.readDefaultString(infos.datadir)
    78  	}
    79  	// Figure out which port to listen on
    80  	fmt.Println()
    81  	fmt.Printf("Which TCP/UDP port should the archive node listen on? (default = %d)\n", infos.nodePort)
    82  	infos.nodePort = w.readDefaultInt(infos.nodePort)
    83  
    84  	// Set a proper name to report on the stats page
    85  	fmt.Println()
    86  	if infos.ethstats == "" {
    87  		fmt.Printf("What should the explorer be called on the stats page?\n")
    88  		infos.ethstats = w.readString() + ":" + w.conf.ethstats
    89  	} else {
    90  		fmt.Printf("What should the explorer be called on the stats page? (default = %s)\n", infos.ethstats)
    91  		infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
    92  	}
    93  	// Try to deploy the explorer on the host
    94  	nocache := false
    95  	if existed {
    96  		fmt.Println()
    97  		fmt.Printf("Should the explorer be built from scratch (y/n)? (default = no)\n")
    98  		nocache = w.readDefaultString("n") != "n"
    99  	}
   100  	if out, err := deployExplorer(client, w.network, chain, infos, nocache); err != nil {
   101  		log.Error("Failed to deploy explorer container", "err", err)
   102  		if len(out) > 0 {
   103  			fmt.Printf("%s\n", out)
   104  		}
   105  		return
   106  	}
   107  	// All ok, run a network scan to pick any changes up
   108  	log.Info("Waiting for node to finish booting")
   109  	time.Sleep(3 * time.Second)
   110  
   111  	w.networkStats()
   112  }