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b1c5449428
Although a builder from the store cannot be created unless it has a valid name, this is not the case for a Docker context. We should skip name validation when checking a node from the store and fall back to finding one from Docker context instead. Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>
55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package store
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import (
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"os"
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"regexp"
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"strings"
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"github.com/docker/docker/pkg/namesgenerator"
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"github.com/pkg/errors"
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)
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var namePattern = regexp.MustCompile(`^[a-zA-Z][a-zA-Z0-9\.\-_]*$`)
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type errInvalidName struct {
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error
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}
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func (e *errInvalidName) Error() string {
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return e.error.Error()
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}
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func (e *errInvalidName) Unwrap() error {
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return e.error
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}
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func IsErrInvalidName(err error) bool {
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_, ok := err.(*errInvalidName)
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return ok
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}
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func ValidateName(s string) (string, error) {
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if !namePattern.MatchString(s) {
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return "", &errInvalidName{
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errors.Errorf("invalid name %s, name needs to start with a letter and may not contain symbols, except ._-", s),
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}
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}
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return strings.ToLower(s), nil
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}
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func GenerateName(txn *Txn) (string, error) {
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var name string
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for i := 0; i < 6; i++ {
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name = namesgenerator.GetRandomName(i)
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if _, err := txn.NodeGroupByName(name); err != nil {
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if !os.IsNotExist(errors.Cause(err)) {
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return "", err
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}
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} else {
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continue
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}
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return name, nil
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}
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return "", errors.Errorf("failed to generate random name")
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}
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