mirror of
https://github.com/Luzifer/gcr-clean.git
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98 lines
2 KiB
Go
98 lines
2 KiB
Go
package opts
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import (
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"encoding/csv"
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"fmt"
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"os"
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"strconv"
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"strings"
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swarmtypes "github.com/docker/docker/api/types/swarm"
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)
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// SecretOpt is a Value type for parsing secrets
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type SecretOpt struct {
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values []*swarmtypes.SecretReference
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}
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// Set a new secret value
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func (o *SecretOpt) Set(value string) error {
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csvReader := csv.NewReader(strings.NewReader(value))
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fields, err := csvReader.Read()
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if err != nil {
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return err
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}
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options := &swarmtypes.SecretReference{
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File: &swarmtypes.SecretReferenceFileTarget{
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UID: "0",
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GID: "0",
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Mode: 0444,
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},
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}
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// support a simple syntax of --secret foo
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if len(fields) == 1 {
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options.File.Name = fields[0]
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options.SecretName = fields[0]
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o.values = append(o.values, options)
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return nil
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}
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for _, field := range fields {
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parts := strings.SplitN(field, "=", 2)
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key := strings.ToLower(parts[0])
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if len(parts) != 2 {
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return fmt.Errorf("invalid field '%s' must be a key=value pair", field)
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}
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value := parts[1]
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switch key {
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case "source", "src":
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options.SecretName = value
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case "target":
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options.File.Name = value
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case "uid":
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options.File.UID = value
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case "gid":
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options.File.GID = value
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case "mode":
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m, err := strconv.ParseUint(value, 0, 32)
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if err != nil {
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return fmt.Errorf("invalid mode specified: %v", err)
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}
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options.File.Mode = os.FileMode(m)
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default:
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return fmt.Errorf("invalid field in secret request: %s", key)
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}
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}
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if options.SecretName == "" {
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return fmt.Errorf("source is required")
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}
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o.values = append(o.values, options)
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return nil
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}
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// Type returns the type of this option
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func (o *SecretOpt) Type() string {
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return "secret"
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}
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// String returns a string repr of this option
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func (o *SecretOpt) String() string {
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secrets := []string{}
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for _, secret := range o.values {
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repr := fmt.Sprintf("%s -> %s", secret.SecretName, secret.File.Name)
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secrets = append(secrets, repr)
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}
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return strings.Join(secrets, ", ")
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}
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// Value returns the secret requests
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func (o *SecretOpt) Value() []*swarmtypes.SecretReference {
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return o.values
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}
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