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path: root/cmd/puppeth/wizard_dashboard.go
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// 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"

    "github.com/ethereum/go-ethereum/log"
)

// deployDashboard queries the user for various input on deploying a web-service
// dashboard, after which is pushes the container.
func (w *wizard) deployDashboard() {
    // Select the server to interact with
    server := w.selectServer()
    if server == "" {
        return
    }
    client := w.servers[server]

    // Retrieve any active dashboard configurations from the server
    infos, err := checkDashboard(client, w.network)
    if err != nil {
        infos = &dashboardInfos{
            port: 80,
            host: client.server,
        }
    }
    existed := err == nil

    // Figure out which port to listen on
    fmt.Println()
    fmt.Printf("Which port should the dashboard listen on? (default = %d)\n", infos.port)
    infos.port = w.readDefaultInt(infos.port)

    // Figure which virtual-host to deploy the dashboard on
    infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host)
    if err != nil {
        log.Error("Failed to decide on dashboard host", "err", err)
        return
    }
    // Port and proxy settings retrieved, figure out which services are available
    available := make(map[string][]string)
    for server, services := range w.services {
        for _, service := range services {
            available[service] = append(available[service], server)
        }
    }
    for _, service := range []string{"ethstats", "explorer", "wallet", "faucet"} {
        // Gather all the locally hosted pages of this type
        var pages []string
        for _, server := range available[service] {
            client := w.servers[server]
            if client == nil {
                continue
            }
            // If there's a service running on the machine, retrieve it's port number
            var port int
            switch service {
            case "ethstats":
                if infos, err := checkEthstats(client, w.network); err == nil {
                    port = infos.port
                }
            case "explorer":
                if infos, err := checkExplorer(client, w.network); err == nil {
                    port = infos.webPort
                }
            case "wallet":
                if infos, err := checkWallet(client, w.network); err == nil {
                    port = infos.webPort
                }
            case "faucet":
                if infos, err := checkFaucet(client, w.network); err == nil {
                    port = infos.port
                }
            }
            if page, err := resolve(client, w.network, service, port); err == nil && page != "" {
                pages = append(pages, page)
            }
        }
        // Promt the user to chose one, enter manually or simply not list this service
        defLabel, defChoice := "don't list", len(pages)+2
        if len(pages) > 0 {
            defLabel, defChoice = pages[0], 1
        }
        fmt.Println()
        fmt.Printf("Which %s service to list? (default = %s)\n", service, defLabel)
        for i, page := range pages {
            fmt.Printf(" %d. %s\n", i+1, page)
        }
        fmt.Printf(" %d. List external %s service\n", len(pages)+1, service)
        fmt.Printf(" %d. Don't list any %s service\n", len(pages)+2, service)

        choice := w.readDefaultInt(defChoice)
        if choice < 0 || choice > len(pages)+2 {
            log.Error("Invalid listing choice, aborting")
            return
        }
        var page string
        switch {
        case choice <= len(pages):
            page = pages[choice-1]
        case choice == len(pages)+1:
            fmt.Println()
            fmt.Printf("Which address is the external %s service at?\n", service)
            page = w.readString()
        default:
            // No service hosting for this
        }
        // Save the users choice
        switch service {
        case "ethstats":
            infos.ethstats = page
        case "explorer":
            infos.explorer = page
        case "wallet":
            infos.wallet = page
        case "faucet":
            infos.faucet = page
        }
    }
    // If we have ethstats running, ask whether to make the secret public or not
    if w.conf.ethstats != "" {
        fmt.Println()
        fmt.Println("Include ethstats secret on dashboard (y/n)? (default = yes)")
        infos.trusted = w.readDefaultString("y") == "y"
    }
    // Try to deploy the dashboard container on the host
    nocache := false
    if existed {
        fmt.Println()
        fmt.Printf("Should the dashboard be built from scratch (y/n)? (default = no)\n")
        nocache = w.readDefaultString("n") != "n"
    }
    if out, err := deployDashboard(client, w.network, &w.conf, infos, nocache); err != nil {
        log.Error("Failed to deploy dashboard 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()
}