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manually sync with k8s.io/kubernetest at 17375fc59fff39135af63bd1750bb07c36ef873b, k8s.io/apimachinery at d90aa2c8531f13b0ca734845934c10dcb6a56ca7

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This commit is contained in:
Chao Xu
2017-02-23 12:23:54 -08:00
parent 5fbce75e01
commit 088dc4a30d
304 changed files with 37541 additions and 6673 deletions
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21
util/cert/io.go
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@@ -86,6 +86,27 @@ func WriteKey(keyPath string, data []byte) error {
return nil
}
// LoadOrGenerateKeyFile looks for a key in the file at the given path. If it
// can't find one, it will generate a new key and store it there.
func LoadOrGenerateKeyFile(keyPath string) (data []byte, wasGenerated bool, err error) {
loadedData, err := ioutil.ReadFile(keyPath)
if err == nil {
return loadedData, false, err
}
if !os.IsNotExist(err) {
return nil, false, fmt.Errorf("error loading key from %s: %v", keyPath, err)
}
generatedData, err := MakeEllipticPrivateKeyPEM()
if err != nil {
return nil, false, fmt.Errorf("error generating key: %v", err)
}
if err := WriteKey(keyPath, generatedData); err != nil {
return nil, false, fmt.Errorf("error writing key to %s: %v", keyPath, err)
}
return generatedData, true, nil
}
// NewPool returns an x509.CertPool containing the certificates in the given PEM-encoded file.
// Returns an error if the file could not be read, a certificate could not be parsed, or if the file does not contain any certificates
func NewPool(filename string) (*x509.CertPool, error) {