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woodpecker/vendor/github.com/samalba/dockerclient/tls.go
2016-03-07 11:23:49 -08:00

39 lines
972 B
Go

package dockerclient
import (
"crypto/tls"
"crypto/x509"
"errors"
"io/ioutil"
"path/filepath"
)
// TLSConfigFromCertPath returns a configuration based on PEM files in the directory
//
// path is usually what is set by the environment variable `DOCKER_CERT_PATH`,
// or `$HOME/.docker`.
func TLSConfigFromCertPath(path string) (*tls.Config, error) {
cert, err := ioutil.ReadFile(filepath.Join(path, "cert.pem"))
if err != nil {
return nil, err
}
key, err := ioutil.ReadFile(filepath.Join(path, "key.pem"))
if err != nil {
return nil, err
}
ca, err := ioutil.ReadFile(filepath.Join(path, "ca.pem"))
if err != nil {
return nil, err
}
tlsCert, err := tls.X509KeyPair(cert, key)
if err != nil {
return nil, err
}
tlsConfig := &tls.Config{Certificates: []tls.Certificate{tlsCert}}
tlsConfig.RootCAs = x509.NewCertPool()
if !tlsConfig.RootCAs.AppendCertsFromPEM(ca) {
return nil, errors.New("Could not add RootCA pem")
}
return tlsConfig, nil
}