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install-cli.go
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install-cli.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package cmd
import (
"context"
"fmt"
"net/url"
"os"
"regexp"
"strconv"
"strings"
p "github.com/manifoldco/promptui"
_ "github.com/mholt/caddy/caddyhttp"
"github.com/spf13/cobra"
"github.com/pydio/cells/common/config"
"github.com/pydio/cells/common/proto/install"
"github.com/pydio/cells/discovery/install/lib"
json "github.com/pydio/cells/x/jsonx"
)
type CellsCliPromptStep struct {
Step string
Prompt func(*install.InstallConfig) error
}
var (
emailRegexp = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
additionalPrompts []CellsCliPromptStep
)
func cliInstall(cmd *cobra.Command, proxyConfig *install.ProxyConfig) (*install.InstallConfig, error) {
cliConfig := lib.GenerateDefaultConfig()
cliConfig.ProxyConfig = proxyConfig
if e := applyAdditionalPrompt("boot", cliConfig); e != nil {
return nil, e
}
fmt.Println("\n\033[1m## Database Connection\033[0m")
adminRequired, e := promptDB(cliConfig)
if e != nil {
return nil, e
}
if e := applyAdditionalPrompt("post-db", cliConfig); e != nil {
return nil, e
}
fmt.Println("\n\033[1m## Administrative User Configuration\033[0m")
if e := promptFrontendAdmin(cliConfig, adminRequired); e != nil {
return nil, e
}
if e := applyAdditionalPrompt("post-admin", cliConfig); e != nil {
return nil, e
}
fmt.Println("\n\033[1m## Default storage location\033[0m")
if e := promptAdvanced(cliConfig); e != nil {
return nil, e
}
if e := applyAdditionalPrompt("post-advanced", cliConfig); e != nil {
return nil, e
}
fmt.Println("\n\033[1m## Applying configuration\033[0m")
e = lib.Install(context.Background(), cliConfig, lib.INSTALL_ALL, func(event *lib.InstallProgressEvent) {
fmt.Println(p.Styler(p.FGFaint)("... " + event.Message))
})
if e != nil {
return nil, fmt.Errorf("could not perform installation: %s", e.Error())
}
fmt.Println(p.IconGood + " Configuration done")
fmt.Println("\n\033[1m## Software is ready to run!\033[0m")
fmt.Println(p.Styler(p.FGFaint)("Cells will be accessible through the following URLs:"))
ss, _ := config.LoadSites()
var urls []string
for _, s := range ss {
for _, u := range s.GetExternalUrls() {
urls = append(urls, u.String())
}
}
fmt.Println(p.Styler(p.FGFaint)(strings.Join(urls, ", ")))
if _, busyPort, _ := checkDefaultBusy(cmd, cliConfig.ProxyConfig, false); busyPort != "" {
fmt.Println(p.Styler(p.BGRed, p.FGWhite)(fmt.Sprintf("Warning, it seems that port %s is already busy. You may want to change default port by running '"+os.Args[0]+" configure sites' command.", busyPort)))
} else {
fmt.Println(p.Styler(p.FGFaint)("Edit these URLs by running '") + p.Styler(p.FGFaint, p.FGBold)(os.Args[0]+" configure sites") + p.Styler(p.FGFaint)("' command."))
}
fmt.Println("")
fmt.Println("Now use '" + p.Styler(p.FGBold)(os.Args[0]+" start") + "' to start the server.")
fmt.Println("")
return cliConfig, nil
}
func promptDB(c *install.InstallConfig) (adminRequired bool, err error) {
connType := p.Select{
Label: "Database Connection Type",
Items: []string{"TCP", "Socket", "Manual"},
}
dbTcpHost := p.Prompt{Label: "Database Hostname", Validate: notEmpty, Default: c.DbTCPHostname, AllowEdit: true}
dbTcpPort := p.Prompt{Label: "Database Port", Validate: validPortNumber, Default: c.DbTCPPort, AllowEdit: true}
dbName := p.Prompt{Label: "Database Name", Validate: notEmpty, Default: c.DbTCPName, AllowEdit: true}
dbUser := p.Prompt{Label: "Database User", Validate: notEmpty, Default: c.DbTCPUser, AllowEdit: true}
dbPass := p.Prompt{Label: "Database Password (leave empty if not needed)", Mask: '*'}
dbSocketFile := p.Prompt{Label: "Socket File", Validate: notEmpty}
dbDSN := p.Prompt{Label: "Manual DSN", Validate: notEmpty}
uConnIdx, _, er := connType.Run()
if er == p.ErrInterrupt {
return false, er
}
var e error
if uConnIdx == 2 {
if c.DbManualDSN, e = dbDSN.Run(); e != nil {
return false, e
}
} else {
if uConnIdx == 0 {
c.DbConnectionType = "tcp"
if c.DbTCPHostname, e = dbTcpHost.Run(); e != nil {
return false, e
}
if c.DbTCPPort, e = dbTcpPort.Run(); e != nil {
return false, e
}
} else if uConnIdx == 1 {
c.DbConnectionType = "socket"
if c.DbSocketFile, e = dbSocketFile.Run(); e != nil {
return false, e
}
}
var name, user, pass string
if name, e = dbName.Run(); e != nil {
return false, e
}
if user, e = dbUser.Run(); e != nil {
return false, e
}
if pass, e = dbPass.Run(); e != nil {
return false, e
}
if uConnIdx == 0 {
c.DbTCPName = name
c.DbTCPUser = user
c.DbTCPPassword = pass
} else {
c.DbSocketName = name
c.DbSocketUser = user
c.DbSocketPassword = pass
}
}
adminRequired = true
if res := lib.PerformCheck(context.Background(), "DB", c); !res.Success {
fmt.Println(p.IconBad + " Cannot connect to database, please review the parameters")
return promptDB(c)
} else {
var info map[string]interface{}
var existConfirm string
if e := json.Unmarshal([]byte(res.JsonResult), &info); e == nil {
if a, o := info["adminFound"]; o && a.(bool) {
existConfirm = "An existing installation was found in this database, and an administrator user already exists!"
adminRequired = false
} else if t, o := info["tablesFound"]; o && t.(bool) {
existConfirm = "An existing installation was found in this database!"
}
}
if existConfirm != "" {
confirm := p.Prompt{Label: p.IconWarn + " " + existConfirm + " Do you want to continue", IsConfirm: true}
if _, e := confirm.Run(); e != nil && e != p.ErrInterrupt {
return promptDB(c)
} else if e == p.ErrInterrupt {
return false, e
}
}
}
fmt.Println(p.IconGood + " Successfully connected to the database")
return
}
func promptFrontendAdmin(c *install.InstallConfig, adminRequired bool) error {
login := p.Prompt{Label: "Admin Login (leave empty if you want to use existing admin)", Default: "", Validate: func(s string) error {
if s != "" && strings.ToLower(s) != s {
return fmt.Errorf("Use lowercase characters only for login")
}
return nil
}}
pwd := p.Prompt{Label: "Admin Password", Mask: '*'}
pwd2 := p.Prompt{Label: "Confirm Password", Mask: '*', Validate: func(s string) error {
if c.FrontendPassword != s {
return fmt.Errorf("Passwords differ! Change confirmation or hit Ctrl+C to change first value.")
}
return nil
}}
if adminRequired {
login.Label = "Admin Login"
login.Default = "admin"
login.AllowEdit = true
login.Validate = notEmpty
pwd.Validate = notEmpty
}
if c.FrontendLogin != "" {
login.Default = c.FrontendLogin
}
var e error
if c.FrontendLogin, e = login.Run(); e != nil {
return e
}
if adminRequired || c.FrontendLogin != "" {
if c.FrontendPassword, e = pwd.Run(); e != nil {
return e
}
if c.FrontendRepeatPassword, e = pwd2.Run(); e != nil {
if c.FrontendRepeatPassword != c.FrontendPassword {
fmt.Println(p.IconBad, "Passwords differ, please try again!")
return promptFrontendAdmin(c, adminRequired)
}
return e
}
}
return nil
}
func promptAdvanced(c *install.InstallConfig) error {
dsType := p.Select{
Label: "Your files will be stored on local filesystem under '" + c.DsFolder + "'. Do you want to change this?",
Items: []string{
"It's ok for me, use default location",
"Select another local folder",
"Store data in S3-compatible storage (requires api key/secret)",
},
}
i, _, e := dsType.Run()
if e != nil {
return e
}
if i == 1 {
dsPath := p.Prompt{Label: "Enter path to a local folder", Default: c.DsFolder, AllowEdit: true, Validate: notEmpty}
if folder, e := dsPath.Run(); e == nil {
c.DsFolder = folder
} else {
return e
}
} else if i == 2 {
// CHECK S3 CONNECTION
c.DsType = "S3"
buckets, canCreate, err := setupS3Connection(c)
if err != nil {
return err
}
fmt.Println(p.IconGood + fmt.Sprintf(" Successfully connected to S3, listed %d buckets, ability to create: %v", len(buckets), canCreate))
// NOW SET UP BUCKETS
usedBuckets, created, err := setupS3Buckets(c, buckets, canCreate)
if err != nil {
return err
}
if len(created) > 0 {
fmt.Println(p.IconGood + fmt.Sprintf(" Successfully created the following buckets %s", strings.Join(created, ", ")))
} else {
fmt.Println(p.IconGood + fmt.Sprintf(" Buckets used for installing cells were correctly detected (%s)", strings.Join(usedBuckets, ", ")))
}
}
return nil
}
/* VARIOUS HELPERS */
func setupS3Connection(c *install.InstallConfig) (buckets []string, canCreate bool, e error) {
pr := p.Prompt{Label: "For S3 compatible storage, please provide storage URL (leave empty for Amazon)", Default: c.DsS3Custom}
if s3Custom, e := pr.Run(); e != nil {
return buckets, canCreate, e
} else if s3Custom != "" {
c.DsS3Custom = strings.Trim(s3Custom, " ")
}
pr = p.Prompt{Label: "Provide storage custom region (leave empty for default)", Default: c.DsS3CustomRegion}
if s3CustomRegion, e := pr.Run(); e != nil {
return buckets, canCreate, e
} else if s3CustomRegion != "" {
c.DsS3CustomRegion = strings.Trim(s3CustomRegion, " ")
}
pr = p.Prompt{Label: "Please enter S3 Api Key", Validate: notEmpty}
if apiKey, e := pr.Run(); e != nil {
return buckets, canCreate, e
} else {
c.DsS3ApiKey = strings.Trim(apiKey, " ")
}
pr = p.Prompt{Label: "Please enter S3 Api Secret", Validate: notEmpty, Mask: '*'}
if apiSecret, e := pr.Run(); e != nil {
return buckets, canCreate, e
} else {
c.DsS3ApiSecret = strings.Trim(apiSecret, " ")
}
check := lib.PerformCheck(context.Background(), "S3_KEYS", c)
var res map[string]interface{}
e = json.Unmarshal([]byte(check.JsonResult), &res)
if e != nil {
return buckets, canCreate, e
}
if check.Success {
if bb, ok := res["buckets"].([]interface{}); ok {
for _, b := range bb {
buckets = append(buckets, b.(string))
}
}
if create, ok := res["canCreate"].(bool); ok {
canCreate = create
}
fmt.Println(p.IconGood + " Successfully connected to S3 and list buckets")
return
} else {
fmt.Println(p.IconBad+" Could not connect to S3: ", check.JsonResult)
retry := p.Prompt{Label: "Do you want to retry with different keys", IsConfirm: true}
if _, e := retry.Run(); e == nil {
return setupS3Connection(c)
} else if e == p.ErrInterrupt {
return buckets, canCreate, e
} else {
return buckets, canCreate, e
}
}
}
func setupS3Buckets(c *install.InstallConfig, knownBuckets []string, canCreate bool) (used []string, created []string, e error) {
var pref string
prefPrompt := p.Prompt{Label: "Select a unique prefix for this installation buckets.", Default: "cells-"}
pref, e = prefPrompt.Run()
if e != nil {
return
}
used = []string{
pref + "pydiods1",
pref + "personal",
pref + "cellsdata",
pref + "binaries",
pref + "thumbs",
pref + "versions",
}
var toCreate []string
for _, bName := range used {
var exists bool
for _, k := range knownBuckets {
if k == bName {
exists = true
break
}
}
if exists {
continue
}
toCreate = append(toCreate, bName)
}
c.DsS3BucketDefault = pref + "pydiods1"
c.DsS3BucketPersonal = pref + "personal"
c.DsS3BucketCells = pref + "cellsdata"
c.DsS3BucketThumbs = pref + "thumbs"
c.DsS3BucketBinaries = pref + "binaries"
c.DsS3BucketVersions = pref + "versions"
if len(toCreate) == 0 {
return used, []string{}, nil
}
if !canCreate {
fmt.Printf(p.IconBad+" The following buckets do not exists: %s, and you are not allowed to create them with the current credentials. Please create them first or change the prefix.\n", strings.Join(toCreate, ", "))
retry := p.Prompt{Label: "Do you want to retry with different keys", IsConfirm: true}
if _, e := retry.Run(); e == nil {
return setupS3Buckets(c, knownBuckets, canCreate)
} else if e == p.ErrInterrupt {
return used, []string{}, e
} else {
return used, []string{}, e
}
} else {
fmt.Printf(p.IconWarn+" The following buckets will be created: %s\n", strings.Join(toCreate, ", "))
retry := p.Prompt{Label: "Do you wish to continue or to use a different prefix", IsConfirm: true, Default: "y"}
if _, e = retry.Run(); e != nil {
return setupS3Buckets(c, knownBuckets, canCreate)
} else if e == p.ErrInterrupt {
return used, []string{}, e
} else {
check := lib.PerformCheck(context.Background(), "S3_BUCKETS", c)
if !check.Success {
return used, []string{}, fmt.Errorf("Error while creating buckets: %s", string(check.JsonResult))
}
var dd map[string][]interface{}
if e = json.Unmarshal([]byte(check.JsonResult), &dd); e == nil {
for _, b := range dd["bucketsCreated"] {
created = append(created, b.(string))
}
}
return
}
}
}
func RegisterAdditionalPrompt(step CellsCliPromptStep) {
additionalPrompts = append(additionalPrompts, step)
}
func applyAdditionalPrompt(step string, i *install.InstallConfig) error {
for _, s := range additionalPrompts {
if s.Step == step {
return s.Prompt(i)
}
}
return nil
}
func validateMailFormat(input string) error {
if !emailRegexp.MatchString(input) {
return fmt.Errorf("Please enter a valid e-mail address!")
}
return nil
}
func notEmpty(input string) error {
if len(input) == 0 {
return fmt.Errorf("Field cannot be empty!")
}
return nil
}
func validHostPort(input string) error {
if e := notEmpty(input); e != nil {
return e
}
parts := strings.Split(input, ":")
if len(parts) != 2 {
return fmt.Errorf("Please use an [IP|DOMAIN]:[PORT] string")
}
if e := validPortNumber(parts[1]); e != nil {
return e
}
return nil
}
// ValidScheme validates that url is [SCHEME]://[IP or DOMAIN] "[http/https]://......."
func validScheme(input string) error {
if e := notEmpty(input); e != nil {
return e
}
u, err := url.Parse(input)
if err != nil {
return fmt.Errorf("could not parse URL")
}
if len(u.Scheme) > 0 && len(u.Host) > 0 {
if u.Scheme == "http" || u.Scheme == "https" {
return nil
}
return fmt.Errorf("scheme %s is not supported (only http/https are supported)", u.Scheme)
}
return fmt.Errorf("Please use a [SCHEME]://[IP|DOMAIN] string")
}
func validPortNumber(input string) error {
port, e := strconv.ParseInt(input, 10, 64)
if e == nil && port == 0 {
return fmt.Errorf("Please use a non empty port!")
}
return e
}
func validUrl(input string) error {
_, e := url.Parse(input)
return e
}