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chore: update docker and k8s

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This commit is contained in:
Ludovic Fernandez 2019-08-05 18:24:03 +02:00 • committed by Traefiker Bot
parent 2b5c7f9e91
commit c2d440a914
1283 changed files with 67741 additions and 27918 deletions
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72
vendor/k8s.io/client-go/util/buffer/ring_growing.go generated vendored
View file

@ -1,72 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package buffer
// RingGrowing is a growing ring buffer.
// Not thread safe.
type RingGrowing struct {
data []interface{}
n int // Size of Data
beg int // First available element
readable int // Number of data items available
}
// NewRingGrowing constructs a new RingGrowing instance with provided parameters.
func NewRingGrowing(initialSize int) *RingGrowing {
return &RingGrowing{
data: make([]interface{}, initialSize),
n: initialSize,
}
}
// ReadOne reads (consumes) first item from the buffer if it is available, otherwise returns false.
func (r *RingGrowing) ReadOne() (data interface{}, ok bool) {
if r.readable == 0 {
return nil, false
}
r.readable--
element := r.data[r.beg]
r.data[r.beg] = nil // Remove reference to the object to help GC
if r.beg == r.n-1 {
// Was the last element
r.beg = 0
} else {
r.beg++
}
return element, true
}
// WriteOne adds an item to the end of the buffer, growing it if it is full.
func (r *RingGrowing) WriteOne(data interface{}) {
if r.readable == r.n {
// Time to grow
newN := r.n * 2
newData := make([]interface{}, newN)
to := r.beg + r.readable
if to <= r.n {
copy(newData, r.data[r.beg:to])
} else {
copied := copy(newData, r.data[r.beg:])
copy(newData[copied:], r.data[:(to%r.n)])
}
r.beg = 0
r.data = newData
r.n = newN
}
r.data[(r.readable+r.beg)%r.n] = data
r.readable++
}

159
vendor/k8s.io/client-go/util/cert/cert.go generated vendored
View file

@ -18,25 +18,24 @@ package cert
import (
"bytes"
"crypto/ecdsa"
"crypto/elliptic"
"crypto"
cryptorand "crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"errors"
"fmt"
"math"
"io/ioutil"
"math/big"
"net"
"path"
"strings"
"time"
"k8s.io/client-go/util/keyutil"
)
const (
rsaKeySize = 2048
duration365d = time.Hour * 24 * 365
)
const duration365d = time.Hour * 24 * 365
// Config contains the basic fields required for creating a certificate
type Config struct {
@ -54,13 +53,8 @@ type AltNames struct {
IPs []net.IP
}
// NewPrivateKey creates an RSA private key
func NewPrivateKey() (*rsa.PrivateKey, error) {
return rsa.GenerateKey(cryptorand.Reader, rsaKeySize)
}
// NewSelfSignedCACert creates a CA certificate
func NewSelfSignedCACert(cfg Config, key *rsa.PrivateKey) (*x509.Certificate, error) {
func NewSelfSignedCACert(cfg Config, key crypto.Signer) (*x509.Certificate, error) {
now := time.Now()
tmpl := x509.Certificate{
SerialNumber: new(big.Int).SetInt64(0),
@ -72,7 +66,7 @@ func NewSelfSignedCACert(cfg Config, key *rsa.PrivateKey) (*x509.Certificate, er
NotAfter: now.Add(duration365d * 10).UTC(),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
BasicConstraintsValid: true,
IsCA: true,
IsCA: true,
}
certDERBytes, err := x509.CreateCertificate(cryptorand.Reader, &tmpl, &tmpl, key.Public(), key)
@ -82,62 +76,40 @@ func NewSelfSignedCACert(cfg Config, key *rsa.PrivateKey) (*x509.Certificate, er
return x509.ParseCertificate(certDERBytes)
}
// NewSignedCert creates a signed certificate using the given CA certificate and key
func NewSignedCert(cfg Config, key *rsa.PrivateKey, caCert *x509.Certificate, caKey *rsa.PrivateKey) (*x509.Certificate, error) {
serial, err := cryptorand.Int(cryptorand.Reader, new(big.Int).SetInt64(math.MaxInt64))
if err != nil {
return nil, err
}
if len(cfg.CommonName) == 0 {
return nil, errors.New("must specify a CommonName")
}
if len(cfg.Usages) == 0 {
return nil, errors.New("must specify at least one ExtKeyUsage")
}
certTmpl := x509.Certificate{
Subject: pkix.Name{
CommonName: cfg.CommonName,
Organization: cfg.Organization,
},
DNSNames: cfg.AltNames.DNSNames,
IPAddresses: cfg.AltNames.IPs,
SerialNumber: serial,
NotBefore: caCert.NotBefore,
NotAfter: time.Now().Add(duration365d).UTC(),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: cfg.Usages,
}
certDERBytes, err := x509.CreateCertificate(cryptorand.Reader, &certTmpl, caCert, key.Public(), caKey)
if err != nil {
return nil, err
}
return x509.ParseCertificate(certDERBytes)
}
// MakeEllipticPrivateKeyPEM creates an ECDSA private key
func MakeEllipticPrivateKeyPEM() ([]byte, error) {
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), cryptorand.Reader)
if err != nil {
return nil, err
}
derBytes, err := x509.MarshalECPrivateKey(privateKey)
if err != nil {
return nil, err
}
privateKeyPemBlock := &pem.Block{
Type: ECPrivateKeyBlockType,
Bytes: derBytes,
}
return pem.EncodeToMemory(privateKeyPemBlock), nil
}
// GenerateSelfSignedCertKey creates a self-signed certificate and key for the given host.
// Host may be an IP or a DNS name
// You may also specify additional subject alt names (either ip or dns names) for the certificate
// You may also specify additional subject alt names (either ip or dns names) for the certificate.
func GenerateSelfSignedCertKey(host string, alternateIPs []net.IP, alternateDNS []string) ([]byte, []byte, error) {
return GenerateSelfSignedCertKeyWithFixtures(host, alternateIPs, alternateDNS, "")
}
// GenerateSelfSignedCertKeyWithFixtures creates a self-signed certificate and key for the given host.
// Host may be an IP or a DNS name. You may also specify additional subject alt names (either ip or dns names)
// for the certificate.
//
// If fixtureDirectory is non-empty, it is a directory path which can contain pre-generated certs. The format is:
// <host>_<ip>-<ip>_<alternateDNS>-<alternateDNS>.crt
// <host>_<ip>-<ip>_<alternateDNS>-<alternateDNS>.key
// Certs/keys not existing in that directory are created.
func GenerateSelfSignedCertKeyWithFixtures(host string, alternateIPs []net.IP, alternateDNS []string, fixtureDirectory string) ([]byte, []byte, error) {
validFrom := time.Now().Add(-time.Hour) // valid an hour earlier to avoid flakes due to clock skew
maxAge := time.Hour * 24 * 365 // one year self-signed certs
baseName := fmt.Sprintf("%s_%s_%s", host, strings.Join(ipsToStrings(alternateIPs), "-"), strings.Join(alternateDNS, "-"))
certFixturePath := path.Join(fixtureDirectory, baseName+".crt")
keyFixturePath := path.Join(fixtureDirectory, baseName+".key")
if len(fixtureDirectory) > 0 {
cert, err := ioutil.ReadFile(certFixturePath)
if err == nil {
key, err := ioutil.ReadFile(keyFixturePath)
if err == nil {
return cert, key, nil
}
return nil, nil, fmt.Errorf("cert %s can be read, but key %s cannot: %v", certFixturePath, keyFixturePath, err)
}
maxAge = 100 * time.Hour * 24 * 365 // 100 years fixtures
}
caKey, err := rsa.GenerateKey(cryptorand.Reader, 2048)
if err != nil {
return nil, nil, err
@ -148,12 +120,12 @@ func GenerateSelfSignedCertKey(host string, alternateIPs []net.IP, alternateDNS
Subject: pkix.Name{
CommonName: fmt.Sprintf("%s-ca@%d", host, time.Now().Unix()),
},
NotBefore: time.Now(),
NotAfter: time.Now().Add(time.Hour * 24 * 365),
NotBefore: validFrom,
NotAfter: validFrom.Add(maxAge),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
BasicConstraintsValid: true,
IsCA: true,
IsCA: true,
}
caDERBytes, err := x509.CreateCertificate(cryptorand.Reader, &caTemplate, &caTemplate, &caKey.PublicKey, caKey)
@ -176,8 +148,8 @@ func GenerateSelfSignedCertKey(host string, alternateIPs []net.IP, alternateDNS
Subject: pkix.Name{
CommonName: fmt.Sprintf("%s@%d", host, time.Now().Unix()),
},
NotBefore: time.Now(),
NotAfter: time.Now().Add(time.Hour * 24 * 365),
NotBefore: validFrom,
NotAfter: validFrom.Add(maxAge),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
@ -209,37 +181,26 @@ func GenerateSelfSignedCertKey(host string, alternateIPs []net.IP, alternateDNS
// Generate key
keyBuffer := bytes.Buffer{}
if err := pem.Encode(&keyBuffer, &pem.Block{Type: RSAPrivateKeyBlockType, Bytes: x509.MarshalPKCS1PrivateKey(priv)}); err != nil {
if err := pem.Encode(&keyBuffer, &pem.Block{Type: keyutil.RSAPrivateKeyBlockType, Bytes: x509.MarshalPKCS1PrivateKey(priv)}); err != nil {
return nil, nil, err
}
if len(fixtureDirectory) > 0 {
if err := ioutil.WriteFile(certFixturePath, certBuffer.Bytes(), 0644); err != nil {
return nil, nil, fmt.Errorf("failed to write cert fixture to %s: %v", certFixturePath, err)
}
if err := ioutil.WriteFile(keyFixturePath, keyBuffer.Bytes(), 0644); err != nil {
return nil, nil, fmt.Errorf("failed to write key fixture to %s: %v", certFixturePath, err)
}
}
return certBuffer.Bytes(), keyBuffer.Bytes(), nil
}
// FormatBytesCert receives byte array certificate and formats in human-readable format
func FormatBytesCert(cert []byte) (string, error) {
block, _ := pem.Decode(cert)
c, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return "", fmt.Errorf("failed to parse certificate [%v]", err)
func ipsToStrings(ips []net.IP) []string {
ss := make([]string, 0, len(ips))
for _, ip := range ips {
ss = append(ss, ip.String())
}
return FormatCert(c), nil
}
// FormatCert receives certificate and formats in human-readable format
func FormatCert(c *x509.Certificate) string {
var ips []string
for _, ip := range c.IPAddresses {
ips = append(ips, ip.String())
}
altNames := append(ips, c.DNSNames...)
res := fmt.Sprintf(
"Issuer: CN=%s | Subject: CN=%s | CA: %t\n",
c.Issuer.CommonName, c.Subject.CommonName, c.IsCA,
)
res += fmt.Sprintf("Not before: %s Not After: %s", c.NotBefore, c.NotAfter)
if len(altNames) > 0 {
res += fmt.Sprintf("\nAlternate Names: %v", altNames)
}
return res
return ss
}

95
vendor/k8s.io/client-go/util/cert/io.go generated vendored
View file

@ -17,11 +17,7 @@ limitations under the License.
package cert
import (
"crypto"
"crypto/ecdsa"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"fmt"
"io/ioutil"
"os"
@ -73,60 +69,6 @@ func WriteCert(certPath string, data []byte) error {
return ioutil.WriteFile(certPath, data, os.FileMode(0644))
}
// WriteKey writes the pem-encoded key data to keyPath.
// The key file will be created with file mode 0600.
// If the key file already exists, it will be overwritten.
// The parent directory of the keyPath will be created as needed with file mode 0755.
func WriteKey(keyPath string, data []byte) error {
if err := os.MkdirAll(filepath.Dir(keyPath), os.FileMode(0755)); err != nil {
return err
}
return ioutil.WriteFile(keyPath, data, os.FileMode(0600))
}
// 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)
// Call verifyKeyData to ensure the file wasn't empty/corrupt.
if err == nil && verifyKeyData(loadedData) {
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
}
// MarshalPrivateKeyToPEM converts a known private key type of RSA or ECDSA to
// a PEM encoded block or returns an error.
func MarshalPrivateKeyToPEM(privateKey crypto.PrivateKey) ([]byte, error) {
switch t := privateKey.(type) {
case *ecdsa.PrivateKey:
derBytes, err := x509.MarshalECPrivateKey(t)
if err != nil {
return nil, err
}
privateKeyPemBlock := &pem.Block{
Type: ECPrivateKeyBlockType,
Bytes: derBytes,
}
return pem.EncodeToMemory(privateKeyPemBlock), nil
case *rsa.PrivateKey:
return EncodePrivateKeyPEM(t), nil
default:
return nil, fmt.Errorf("private key is not a recognized type: %T", privateKey)
}
}
// 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) {
@ -154,40 +96,3 @@ func CertsFromFile(file string) ([]*x509.Certificate, error) {
}
return certs, nil
}
// PrivateKeyFromFile returns the private key in rsa.PrivateKey or ecdsa.PrivateKey format from a given PEM-encoded file.
// Returns an error if the file could not be read or if the private key could not be parsed.
func PrivateKeyFromFile(file string) (interface{}, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
key, err := ParsePrivateKeyPEM(data)
if err != nil {
return nil, fmt.Errorf("error reading private key file %s: %v", file, err)
}
return key, nil
}
// PublicKeysFromFile returns the public keys in rsa.PublicKey or ecdsa.PublicKey format from a given PEM-encoded file.
// Reads public keys from both public and private key files.
func PublicKeysFromFile(file string) ([]interface{}, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
keys, err := ParsePublicKeysPEM(data)
if err != nil {
return nil, fmt.Errorf("error reading public key file %s: %v", file, err)
}
return keys, nil
}
// verifyKeyData returns true if the provided data appears to be a valid private key.
func verifyKeyData(data []byte) bool {
if len(data) == 0 {
return false
}
_, err := ParsePrivateKeyPEM(data)
return err == nil
}

208
vendor/k8s.io/client-go/util/cert/pem.go generated vendored
View file

@ -17,136 +17,18 @@ limitations under the License.
package cert
import (
"crypto/ecdsa"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
)
const (
// ECPrivateKeyBlockType is a possible value for pem.Block.Type.
ECPrivateKeyBlockType = "EC PRIVATE KEY"
// RSAPrivateKeyBlockType is a possible value for pem.Block.Type.
RSAPrivateKeyBlockType = "RSA PRIVATE KEY"
// PrivateKeyBlockType is a possible value for pem.Block.Type.
PrivateKeyBlockType = "PRIVATE KEY"
// PublicKeyBlockType is a possible value for pem.Block.Type.
PublicKeyBlockType = "PUBLIC KEY"
// CertificateBlockType is a possible value for pem.Block.Type.
CertificateBlockType = "CERTIFICATE"
// CertificateRequestBlockType is a possible value for pem.Block.Type.
CertificateRequestBlockType = "CERTIFICATE REQUEST"
)
// EncodePublicKeyPEM returns PEM-encoded public data
func EncodePublicKeyPEM(key *rsa.PublicKey) ([]byte, error) {
der, err := x509.MarshalPKIXPublicKey(key)
if err != nil {
return []byte{}, err
}
block := pem.Block{
Type: PublicKeyBlockType,
Bytes: der,
}
return pem.EncodeToMemory(&block), nil
}
// EncodePrivateKeyPEM returns PEM-encoded private key data
func EncodePrivateKeyPEM(key *rsa.PrivateKey) []byte {
block := pem.Block{
Type: RSAPrivateKeyBlockType,
Bytes: x509.MarshalPKCS1PrivateKey(key),
}
return pem.EncodeToMemory(&block)
}
// EncodeCertPEM returns PEM-endcoded certificate data
func EncodeCertPEM(cert *x509.Certificate) []byte {
block := pem.Block{
Type: CertificateBlockType,
Bytes: cert.Raw,
}
return pem.EncodeToMemory(&block)
}
// ParsePrivateKeyPEM returns a private key parsed from a PEM block in the supplied data.
// Recognizes PEM blocks for "EC PRIVATE KEY", "RSA PRIVATE KEY", or "PRIVATE KEY"
func ParsePrivateKeyPEM(keyData []byte) (interface{}, error) {
var privateKeyPemBlock *pem.Block
for {
privateKeyPemBlock, keyData = pem.Decode(keyData)
if privateKeyPemBlock == nil {
break
}
switch privateKeyPemBlock.Type {
case ECPrivateKeyBlockType:
// ECDSA Private Key in ASN.1 format
if key, err := x509.ParseECPrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
case RSAPrivateKeyBlockType:
// RSA Private Key in PKCS#1 format
if key, err := x509.ParsePKCS1PrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
case PrivateKeyBlockType:
// RSA or ECDSA Private Key in unencrypted PKCS#8 format
if key, err := x509.ParsePKCS8PrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
}
// tolerate non-key PEM blocks for compatibility with things like "EC PARAMETERS" blocks
// originally, only the first PEM block was parsed and expected to be a key block
}
// we read all the PEM blocks and didn't recognize one
return nil, fmt.Errorf("data does not contain a valid RSA or ECDSA private key")
}
// ParsePublicKeysPEM is a helper function for reading an array of rsa.PublicKey or ecdsa.PublicKey from a PEM-encoded byte array.
// Reads public keys from both public and private key files.
func ParsePublicKeysPEM(keyData []byte) ([]interface{}, error) {
var block *pem.Block
keys := []interface{}{}
for {
// read the next block
block, keyData = pem.Decode(keyData)
if block == nil {
break
}
// test block against parsing functions
if privateKey, err := parseRSAPrivateKey(block.Bytes); err == nil {
keys = append(keys, &privateKey.PublicKey)
continue
}
if publicKey, err := parseRSAPublicKey(block.Bytes); err == nil {
keys = append(keys, publicKey)
continue
}
if privateKey, err := parseECPrivateKey(block.Bytes); err == nil {
keys = append(keys, &privateKey.PublicKey)
continue
}
if publicKey, err := parseECPublicKey(block.Bytes); err == nil {
keys = append(keys, publicKey)
continue
}
// tolerate non-key PEM blocks for backwards compatibility
// originally, only the first PEM block was parsed and expected to be a key block
}
if len(keys) == 0 {
return nil, fmt.Errorf("data does not contain any valid RSA or ECDSA public keys")
}
return keys, nil
}
// ParseCertsPEM returns the x509.Certificates contained in the given PEM-encoded byte array
// Returns an error if a certificate could not be parsed, or if the data does not contain any certificates
func ParseCertsPEM(pemCerts []byte) ([]*x509.Certificate, error) {
@ -177,93 +59,3 @@ func ParseCertsPEM(pemCerts []byte) ([]*x509.Certificate, error) {
}
return certs, nil
}
// parseRSAPublicKey parses a single RSA public key from the provided data
func parseRSAPublicKey(data []byte) (*rsa.PublicKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(data); err != nil {
if cert, err := x509.ParseCertificate(data); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
// Test if parsed key is an RSA Public Key
var pubKey *rsa.PublicKey
var ok bool
if pubKey, ok = parsedKey.(*rsa.PublicKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid RSA Public Key")
}
return pubKey, nil
}
// parseRSAPrivateKey parses a single RSA private key from the provided data
func parseRSAPrivateKey(data []byte) (*rsa.PrivateKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKCS1PrivateKey(data); err != nil {
if parsedKey, err = x509.ParsePKCS8PrivateKey(data); err != nil {
return nil, err
}
}
// Test if parsed key is an RSA Private Key
var privKey *rsa.PrivateKey
var ok bool
if privKey, ok = parsedKey.(*rsa.PrivateKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid RSA Private Key")
}
return privKey, nil
}
// parseECPublicKey parses a single ECDSA public key from the provided data
func parseECPublicKey(data []byte) (*ecdsa.PublicKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(data); err != nil {
if cert, err := x509.ParseCertificate(data); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
// Test if parsed key is an ECDSA Public Key
var pubKey *ecdsa.PublicKey
var ok bool
if pubKey, ok = parsedKey.(*ecdsa.PublicKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid ECDSA Public Key")
}
return pubKey, nil
}
// parseECPrivateKey parses a single ECDSA private key from the provided data
func parseECPrivateKey(data []byte) (*ecdsa.PrivateKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParseECPrivateKey(data); err != nil {
return nil, err
}
// Test if parsed key is an ECDSA Private Key
var privKey *ecdsa.PrivateKey
var ok bool
if privKey, ok = parsedKey.(*ecdsa.PrivateKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid ECDSA Private Key")
}
return privKey, nil
}

4
vendor/k8s.io/client-go/util/flowcontrol/backoff.go generated vendored
View file

@ -21,7 +21,7 @@ import (
"time"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/client-go/util/integer"
"k8s.io/utils/integer"
)
type backoffEntry struct {
@ -99,7 +99,7 @@ func (p *Backoff) IsInBackOffSince(id string, eventTime time.Time) bool {
if hasExpired(eventTime, entry.lastUpdate, p.maxDuration) {
return false
}
return p.Clock.Now().Sub(eventTime) < entry.backoff
return p.Clock.Since(eventTime) < entry.backoff
}
// Returns True if time since lastupdate is less than the current backoff window.

67
vendor/k8s.io/client-go/util/integer/integer.go generated vendored
View file

@ -1,67 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package integer
func IntMax(a, b int) int {
if b > a {
return b
}
return a
}
func IntMin(a, b int) int {
if b < a {
return b
}
return a
}
func Int32Max(a, b int32) int32 {
if b > a {
return b
}
return a
}
func Int32Min(a, b int32) int32 {
if b < a {
return b
}
return a
}
func Int64Max(a, b int64) int64 {
if b > a {
return b
}
return a
}
func Int64Min(a, b int64) int64 {
if b < a {
return b
}
return a
}
// RoundToInt32 rounds floats into integer numbers.
func RoundToInt32(a float64) int32 {
if a < 0 {
return int32(a - 0.5)
}
return int32(a + 0.5)
}

323
vendor/k8s.io/client-go/util/keyutil/key.go generated vendored Normal file
View file

@ -0,0 +1,323 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package keyutil contains utilities for managing public/private key pairs.
package keyutil
import (
"crypto"
"crypto/ecdsa"
"crypto/elliptic"
cryptorand "crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"fmt"
"io/ioutil"
"os"
"path/filepath"
)
const (
// ECPrivateKeyBlockType is a possible value for pem.Block.Type.
ECPrivateKeyBlockType = "EC PRIVATE KEY"
// RSAPrivateKeyBlockType is a possible value for pem.Block.Type.
RSAPrivateKeyBlockType = "RSA PRIVATE KEY"
// PrivateKeyBlockType is a possible value for pem.Block.Type.
PrivateKeyBlockType = "PRIVATE KEY"
// PublicKeyBlockType is a possible value for pem.Block.Type.
PublicKeyBlockType = "PUBLIC KEY"
)
// MakeEllipticPrivateKeyPEM creates an ECDSA private key
func MakeEllipticPrivateKeyPEM() ([]byte, error) {
privateKey, err := ecdsa.GenerateKey(elliptic.P256(), cryptorand.Reader)
if err != nil {
return nil, err
}
derBytes, err := x509.MarshalECPrivateKey(privateKey)
if err != nil {
return nil, err
}
privateKeyPemBlock := &pem.Block{
Type: ECPrivateKeyBlockType,
Bytes: derBytes,
}
return pem.EncodeToMemory(privateKeyPemBlock), nil
}
// WriteKey writes the pem-encoded key data to keyPath.
// The key file will be created with file mode 0600.
// If the key file already exists, it will be overwritten.
// The parent directory of the keyPath will be created as needed with file mode 0755.
func WriteKey(keyPath string, data []byte) error {
if err := os.MkdirAll(filepath.Dir(keyPath), os.FileMode(0755)); err != nil {
return err
}
return ioutil.WriteFile(keyPath, data, os.FileMode(0600))
}
// 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)
// Call verifyKeyData to ensure the file wasn't empty/corrupt.
if err == nil && verifyKeyData(loadedData) {
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
}
// MarshalPrivateKeyToPEM converts a known private key type of RSA or ECDSA to
// a PEM encoded block or returns an error.
func MarshalPrivateKeyToPEM(privateKey crypto.PrivateKey) ([]byte, error) {
switch t := privateKey.(type) {
case *ecdsa.PrivateKey:
derBytes, err := x509.MarshalECPrivateKey(t)
if err != nil {
return nil, err
}
block := &pem.Block{
Type: ECPrivateKeyBlockType,
Bytes: derBytes,
}
return pem.EncodeToMemory(block), nil
case *rsa.PrivateKey:
block := &pem.Block{
Type: RSAPrivateKeyBlockType,
Bytes: x509.MarshalPKCS1PrivateKey(t),
}
return pem.EncodeToMemory(block), nil
default:
return nil, fmt.Errorf("private key is not a recognized type: %T", privateKey)
}
}
// PrivateKeyFromFile returns the private key in rsa.PrivateKey or ecdsa.PrivateKey format from a given PEM-encoded file.
// Returns an error if the file could not be read or if the private key could not be parsed.
func PrivateKeyFromFile(file string) (interface{}, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
key, err := ParsePrivateKeyPEM(data)
if err != nil {
return nil, fmt.Errorf("error reading private key file %s: %v", file, err)
}
return key, nil
}
// PublicKeysFromFile returns the public keys in rsa.PublicKey or ecdsa.PublicKey format from a given PEM-encoded file.
// Reads public keys from both public and private key files.
func PublicKeysFromFile(file string) ([]interface{}, error) {
data, err := ioutil.ReadFile(file)
if err != nil {
return nil, err
}
keys, err := ParsePublicKeysPEM(data)
if err != nil {
return nil, fmt.Errorf("error reading public key file %s: %v", file, err)
}
return keys, nil
}
// verifyKeyData returns true if the provided data appears to be a valid private key.
func verifyKeyData(data []byte) bool {
if len(data) == 0 {
return false
}
_, err := ParsePrivateKeyPEM(data)
return err == nil
}
// ParsePrivateKeyPEM returns a private key parsed from a PEM block in the supplied data.
// Recognizes PEM blocks for "EC PRIVATE KEY", "RSA PRIVATE KEY", or "PRIVATE KEY"
func ParsePrivateKeyPEM(keyData []byte) (interface{}, error) {
var privateKeyPemBlock *pem.Block
for {
privateKeyPemBlock, keyData = pem.Decode(keyData)
if privateKeyPemBlock == nil {
break
}
switch privateKeyPemBlock.Type {
case ECPrivateKeyBlockType:
// ECDSA Private Key in ASN.1 format
if key, err := x509.ParseECPrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
case RSAPrivateKeyBlockType:
// RSA Private Key in PKCS#1 format
if key, err := x509.ParsePKCS1PrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
case PrivateKeyBlockType:
// RSA or ECDSA Private Key in unencrypted PKCS#8 format
if key, err := x509.ParsePKCS8PrivateKey(privateKeyPemBlock.Bytes); err == nil {
return key, nil
}
}
// tolerate non-key PEM blocks for compatibility with things like "EC PARAMETERS" blocks
// originally, only the first PEM block was parsed and expected to be a key block
}
// we read all the PEM blocks and didn't recognize one
return nil, fmt.Errorf("data does not contain a valid RSA or ECDSA private key")
}
// ParsePublicKeysPEM is a helper function for reading an array of rsa.PublicKey or ecdsa.PublicKey from a PEM-encoded byte array.
// Reads public keys from both public and private key files.
func ParsePublicKeysPEM(keyData []byte) ([]interface{}, error) {
var block *pem.Block
keys := []interface{}{}
for {
// read the next block
block, keyData = pem.Decode(keyData)
if block == nil {
break
}
// test block against parsing functions
if privateKey, err := parseRSAPrivateKey(block.Bytes); err == nil {
keys = append(keys, &privateKey.PublicKey)
continue
}
if publicKey, err := parseRSAPublicKey(block.Bytes); err == nil {
keys = append(keys, publicKey)
continue
}
if privateKey, err := parseECPrivateKey(block.Bytes); err == nil {
keys = append(keys, &privateKey.PublicKey)
continue
}
if publicKey, err := parseECPublicKey(block.Bytes); err == nil {
keys = append(keys, publicKey)
continue
}
// tolerate non-key PEM blocks for backwards compatibility
// originally, only the first PEM block was parsed and expected to be a key block
}
if len(keys) == 0 {
return nil, fmt.Errorf("data does not contain any valid RSA or ECDSA public keys")
}
return keys, nil
}
// parseRSAPublicKey parses a single RSA public key from the provided data
func parseRSAPublicKey(data []byte) (*rsa.PublicKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(data); err != nil {
if cert, err := x509.ParseCertificate(data); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
// Test if parsed key is an RSA Public Key
var pubKey *rsa.PublicKey
var ok bool
if pubKey, ok = parsedKey.(*rsa.PublicKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid RSA Public Key")
}
return pubKey, nil
}
// parseRSAPrivateKey parses a single RSA private key from the provided data
func parseRSAPrivateKey(data []byte) (*rsa.PrivateKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKCS1PrivateKey(data); err != nil {
if parsedKey, err = x509.ParsePKCS8PrivateKey(data); err != nil {
return nil, err
}
}
// Test if parsed key is an RSA Private Key
var privKey *rsa.PrivateKey
var ok bool
if privKey, ok = parsedKey.(*rsa.PrivateKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid RSA Private Key")
}
return privKey, nil
}
// parseECPublicKey parses a single ECDSA public key from the provided data
func parseECPublicKey(data []byte) (*ecdsa.PublicKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(data); err != nil {
if cert, err := x509.ParseCertificate(data); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
// Test if parsed key is an ECDSA Public Key
var pubKey *ecdsa.PublicKey
var ok bool
if pubKey, ok = parsedKey.(*ecdsa.PublicKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid ECDSA Public Key")
}
return pubKey, nil
}
// parseECPrivateKey parses a single ECDSA private key from the provided data
func parseECPrivateKey(data []byte) (*ecdsa.PrivateKey, error) {
var err error
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParseECPrivateKey(data); err != nil {
return nil, err
}
// Test if parsed key is an ECDSA Private Key
var privKey *ecdsa.PrivateKey
var ok bool
if privKey, ok = parsedKey.(*ecdsa.PrivateKey); !ok {
return nil, fmt.Errorf("data doesn't contain valid ECDSA Private Key")
}
return privKey, nil
}