137 lines
3.3 KiB
Go
137 lines
3.3 KiB
Go
package config
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import (
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"bytes"
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"fmt"
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"os"
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"path"
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"path/filepath"
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"text/template"
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"github.com/nspcc-dev/neo-go/cli/input"
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"github.com/nspcc-dev/neofs-node/pkg/innerring"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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type configTemplate struct {
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Endpoint string
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AlphabetDir string
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MaxObjectSize int
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EpochDuration int
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Glagolitics []string
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}
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const configTxtTemplate = `rpc-endpoint: {{ .Endpoint}}
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alphabet-wallets: {{ .AlphabetDir}}
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network:
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max_object_size: {{ .MaxObjectSize}}
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epoch_duration: {{ .EpochDuration}}
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# if credentials section is omitted, then neofs-adm will require manual password input
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credentials:{{ range.Glagolitics}}
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{{.}}: password{{end}}
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`
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func initConfig(cmd *cobra.Command, args []string) error {
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configPath, err := readConfigPathFromArgs(cmd)
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if err != nil {
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return nil
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}
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pathDir := path.Dir(configPath)
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err = os.MkdirAll(pathDir, 0700)
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if err != nil {
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return fmt.Errorf("create dir %s: %w", pathDir, err)
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}
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f, err := os.OpenFile(configPath, os.O_RDWR|os.O_CREATE|os.O_TRUNC|os.O_SYNC, 0600)
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if err != nil {
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return fmt.Errorf("open %s: %w", configPath, err)
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}
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defer f.Close()
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configText, err := generateConfigExample(pathDir, 7)
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if err != nil {
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return err
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}
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_, err = f.WriteString(configText)
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if err != nil {
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return fmt.Errorf("writing to %s: %w", configPath, err)
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}
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cmd.Printf("Initial config file saved to %s\n", configPath)
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return nil
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}
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func readConfigPathFromArgs(cmd *cobra.Command) (string, error) {
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configPath, err := cmd.Flags().GetString(configPathFlag)
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if err != nil {
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return "", err
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}
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if configPath != "" {
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return configPath, nil
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}
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return defaultConfigPath()
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}
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func defaultConfigPath() (string, error) {
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home, err := os.UserHomeDir()
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if err != nil {
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return "", fmt.Errorf("getting home dir path: %w", err)
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}
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return path.Join(home, ".neofs", "adm", "config.yml"), nil
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}
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// generateConfigExample builds .yml representation of the config file. It is
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// easier to build it manually with template instead of using viper, because we
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// want to order records in specific order in file and, probably, provide
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// some comments as well.
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func generateConfigExample(appDir string, credSize int) (string, error) {
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input := configTemplate{
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Endpoint: "https://neo.rpc.node:30333",
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MaxObjectSize: 67108864, // 64 MiB
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EpochDuration: 240, // 1 hour with 15s per block
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Glagolitics: make([]string, 0, credSize),
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}
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appDir, err := filepath.Abs(appDir)
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if err != nil {
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return "", fmt.Errorf("making absolute path for %s: %w", appDir, err)
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}
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input.AlphabetDir = path.Join(appDir, "alphabet-wallets")
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var i innerring.GlagoliticLetter
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for i = 0; i < innerring.GlagoliticLetter(credSize); i++ {
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input.Glagolitics = append(input.Glagolitics, i.String())
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}
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t, err := template.New("config.yml").Parse(configTxtTemplate)
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if err != nil {
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return "", fmt.Errorf("parsing config template: %w", err)
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}
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buf := bytes.NewBuffer(nil)
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err = t.Execute(buf, input)
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if err != nil {
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return "", fmt.Errorf("generating config from tempalte: %w", err)
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}
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return buf.String(), nil
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}
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func AlphabetPassword(v *viper.Viper, index int) (string, error) {
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letter := innerring.GlagoliticLetter(index)
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key := "credentials." + letter.String()
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if v.IsSet(key) {
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return v.GetString(key), nil
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}
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prompt := "Password for " + letter.String() + " wallet > "
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return input.ReadPassword(prompt)
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}
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