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config.go
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config.go
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package cmd
import (
"bufio"
"fmt"
"log"
"os"
"os/exec"
"path"
"strings"
"github.com/exoscale/egoscale"
"github.com/manifoldco/promptui"
"github.com/spf13/cobra"
)
type config struct {
DefaultAccount string
DefaultOutputFormat string
Accounts []account
}
type account struct {
Name string
Account string
Endpoint string
ComputeEndpoint string // legacy config.
DNSEndpoint string
SosEndpoint string
RunstatusEndpoint string
Environment string
Key string
Secret string
SecretCommand []string
DefaultZone string
DefaultSSHKey string
DefaultTemplate string
DefaultRunstatusPage string
CustomHeaders map[string]string
}
func (a account) APISecret() string {
if len(a.SecretCommand) != 0 {
cmd := exec.Command(a.SecretCommand[0], a.SecretCommand[1:]...)
cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
out, err := cmd.Output()
if err != nil {
log.Fatal(err)
}
return strings.TrimRight(string(out), "\n")
}
return a.Secret
}
func (a account) AccountName() string {
if a.Name == "" {
resp, err := cs.GetWithContext(gContext, egoscale.Account{})
if err != nil {
log.Fatal(err)
}
acc := resp.(*egoscale.Account)
return acc.Name
}
return a.Name
}
func (a account) IsDefault() bool {
return a.Name == gAllAccount.DefaultAccount
}
const (
legacyAPIVersion = "compute"
apiVersion = "v1"
defaultEndpoint = "https://api.exoscale.com/" + apiVersion
defaultEnvironment = "api"
defaultConfigFileName = "exoscale"
defaultInstanceType = "medium"
defaultInstanceTypeFamily = "standard"
defaultTemplate = "Linux Ubuntu 22.04 LTS 64-bit"
defaultTemplateVisibility = "public"
defaultTemplateFilter = "featured"
defaultSosEndpoint = "https://sos-{zone}.exo.io"
defaultRunstatusEndpoint = "https://api.runstatus.com"
defaultZone = "ch-dk-2"
defaultOutputFormat = "table"
)
var configCmd = &cobra.Command{
Use: "config",
Short: "Exoscale CLI configuration management",
RunE: configCmdRun,
}
func configCmdRun(cmd *cobra.Command, _ []string) error {
var (
defaultAccountMark = promptui.Styler(promptui.FGYellow)("*")
newAccountLabel = "<Configure a new account>"
)
if gConfigFilePath == "" && gCurrentAccount.Key != "" {
log.Fatalf("remove ENV credentials variables to use %s", cmd.CalledAs())
}
if gConfigFilePath != "" && gCurrentAccount.Key != "" {
accounts := listAccounts(defaultAccountMark)
accounts = append(accounts, newAccountLabel)
prompt := promptui.Select{
Label: fmt.Sprintf("Configured accounts (%s = default account)", defaultAccountMark),
Items: accounts,
Size: len(accounts),
}
_, selectedAccount, err := prompt.Run()
if err != nil {
switch err {
case promptui.ErrInterrupt:
return nil
default:
return fmt.Errorf("prompt failed: %s", err)
}
}
if selectedAccount == newAccountLabel {
return addConfigAccount(false)
}
if strings.TrimSuffix(selectedAccount, defaultAccountMark) != gAllAccount.DefaultAccount {
fmt.Printf("Setting default account to [%s]\n", selectedAccount)
gConfig.Set("defaultAccount", selectedAccount)
return saveConfig(gConfig.ConfigFileUsed(), nil)
}
return nil
}
fmt.Println("No Exoscale CLI configuration found")
fmt.Print(`
In order to set up your configuration profile, you will need to retrieve
Exoscale API credentials from your organization's IAM:
https://portal.exoscale.com/iam/api-keys
`)
return addConfigAccount(true)
}
func saveConfig(filePath string, newAccounts *config) error {
accountsSize := 0
currentAccounts := []account{}
if gAllAccount != nil {
accountsSize = len(gAllAccount.Accounts)
currentAccounts = gAllAccount.Accounts
}
newAccountsSize := 0
if newAccounts != nil {
newAccountsSize = len(newAccounts.Accounts)
}
accounts := make([]map[string]interface{}, accountsSize+newAccountsSize)
conf := &config{}
for i, acc := range currentAccounts {
accounts[i] = map[string]interface{}{}
accounts[i]["name"] = acc.Name
accounts[i]["endpoint"] = acc.Endpoint
accounts[i]["key"] = acc.Key
accounts[i]["defaultZone"] = acc.DefaultZone
accounts[i]["environment"] = acc.Environment
if acc.DefaultSSHKey != "" {
accounts[i]["defaultSSHKey"] = acc.DefaultSSHKey
}
if acc.DefaultRunstatusPage != "" {
accounts[i]["defaultRunstatusPage"] = acc.DefaultRunstatusPage
}
if acc.DefaultTemplate != "" {
accounts[i]["defaultTemplate"] = acc.DefaultTemplate
}
if len(acc.SecretCommand) != 0 {
accounts[i]["secretCommand"] = acc.SecretCommand
} else {
accounts[i]["secret"] = acc.Secret
}
accounts[i]["account"] = acc.Account
conf.Accounts = append(conf.Accounts, acc)
}
if newAccounts != nil {
for i, acc := range newAccounts.Accounts {
accounts[accountsSize+i] = map[string]interface{}{}
accounts[accountsSize+i]["name"] = acc.Name
accounts[accountsSize+i]["endpoint"] = acc.Endpoint
accounts[accountsSize+i]["key"] = acc.Key
accounts[accountsSize+i]["secret"] = acc.Secret
accounts[accountsSize+i]["defaultZone"] = acc.DefaultZone
accounts[accountsSize+i]["environment"] = acc.Environment
if acc.DefaultSSHKey != "" {
accounts[accountsSize+i]["defaultSSHKey"] = acc.DefaultSSHKey
}
if acc.DefaultRunstatusPage != "" {
accounts[accountsSize+i]["defaultRunstatusPage"] = acc.DefaultRunstatusPage
}
accounts[accountsSize+i]["account"] = acc.Account
conf.Accounts = append(conf.Accounts, acc)
}
}
gConfig.SetConfigType("toml")
gConfig.SetConfigFile(filePath)
gConfig.Set("accounts", accounts)
if err := gConfig.WriteConfig(); err != nil {
return err
}
conf.DefaultAccount = gConfig.Get("defaultAccount").(string)
gAllAccount = conf
return nil
}
func createConfigFile(fileName string) (string, error) {
if _, err := os.Stat(gConfigFolder); os.IsNotExist(err) {
if err := os.MkdirAll(gConfigFolder, os.ModePerm); err != nil {
return "", err
}
}
filepath := path.Join(gConfigFolder, fileName+".toml")
if gConfig.ConfigFileUsed() == "" {
if _, err := os.Stat(filepath); !os.IsNotExist(err) {
return "", fmt.Errorf("%q exists already", filepath)
}
}
fp, err := os.OpenFile(filepath, os.O_RDONLY|os.O_CREATE, 0600)
if err != nil {
return "", err
}
defer fp.Close() // nolint: errcheck
return filepath, nil
}
func readInput(reader *bufio.Reader, text, def string) (string, error) {
if def == "" {
fmt.Printf("[+] %s [%s]: ", text, "none")
} else {
fmt.Printf("[+] %s [%s]: ", text, def)
}
c := make(chan bool)
defer close(c)
input := ""
var err error
go func() {
input, err = reader.ReadString('\n')
c <- true
}()
select {
case <-c:
case <-gContext.Done():
err = fmt.Errorf("")
}
if err != nil {
return "", err
}
input = strings.TrimSpace(input)
if input == "" {
input = def
}
return input, nil
}
func askQuestion(text string) bool {
reader := bufio.NewReader(os.Stdin)
resp, err := readInput(reader, text, "yN")
if err != nil {
log.Fatal(err)
}
return (strings.ToLower(resp) == "y" || strings.ToLower(resp) == "yes")
}
func listAccounts(defaultAccountMark string) []string {
if gAllAccount == nil {
return nil
}
res := make([]string, len(gAllAccount.Accounts))
for i, acc := range gAllAccount.Accounts {
res[i] = acc.Name
if acc.Name == gAllAccount.DefaultAccount {
res[i] = fmt.Sprintf("%s%s", res[i], defaultAccountMark)
}
}
return res
}
func getAccountByName(name string) *account {
if gAllAccount == nil {
return nil
}
for i, acc := range gAllAccount.Accounts {
if acc.Name == name {
return &gAllAccount.Accounts[i]
}
}
return nil
}
func chooseZone(cs *egoscale.Client, zones []string) (string, error) {
if zones == nil {
zonesResp, err := cs.ListWithContext(gContext, &egoscale.Zone{})
if err != nil {
return "", err
}
if len(zonesResp) == 0 {
return "", fmt.Errorf("no zones were found")
}
zones = make([]string, len(zonesResp))
for i, z := range zonesResp {
zone := z.(*egoscale.Zone)
zName := strings.ToLower(zone.Name)
zones[i] = zName
}
}
prompt := promptui.Select{
Label: "Default zone",
Items: zones,
Size: len(zones),
}
_, result, err := prompt.Run()
if err != nil {
return "", fmt.Errorf("prompt failed %v", err)
}
return result, nil
}
func init() {
RootCmd.AddCommand(configCmd)
}