1 files changed, 328 insertions, 0 deletions
diff --git a/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/restclient/config.go b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/restclient/config.go
new file mode 100644
index 0000000..fec5f49
--- /dev/null
+++ b/kube2msb/src/vendor/k8s.io/kubernetes/pkg/client/restclient/config.go
@@ -0,0 +1,328 @@
+/*
+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 restclient
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"os"
+	"path"
+	gruntime "runtime"
+	"strings"
+
+	"github.com/golang/glog"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/unversioned"
+	clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
+	"k8s.io/kubernetes/pkg/runtime"
+	"k8s.io/kubernetes/pkg/util/crypto"
+	"k8s.io/kubernetes/pkg/util/flowcontrol"
+	"k8s.io/kubernetes/pkg/version"
+)
+
+const (
+	DefaultQPS   float32 = 5.0
+	DefaultBurst int     = 10
+)
+
+// Config holds the common attributes that can be passed to a Kubernetes client on
+// initialization.
+type Config struct {
+	// Host must be a host string, a host:port pair, or a URL to the base of the apiserver.
+	// If a URL is given then the (optional) Path of that URL represents a prefix that must
+	// be appended to all request URIs used to access the apiserver. This allows a frontend
+	// proxy to easily relocate all of the apiserver endpoints.
+	Host string
+	// APIPath is a sub-path that points to an API root.
+	APIPath string
+	// Prefix is the sub path of the server. If not specified, the client will set
+	// a default value.  Use "/" to indicate the server root should be used
+	Prefix string
+
+	// ContentConfig contains settings that affect how objects are transformed when
+	// sent to the server.
+	ContentConfig
+
+	// Server requires Basic authentication
+	Username string
+	Password string
+
+	// Server requires Bearer authentication. This client will not attempt to use
+	// refresh tokens for an OAuth2 flow.
+	// TODO: demonstrate an OAuth2 compatible client.
+	BearerToken string
+
+	// Impersonate is the username that this RESTClient will impersonate
+	Impersonate string
+
+	// Server requires plugin-specified authentication.
+	AuthProvider *clientcmdapi.AuthProviderConfig
+
+	// Callback to persist config for AuthProvider.
+	AuthConfigPersister AuthProviderConfigPersister
+
+	// TLSClientConfig contains settings to enable transport layer security
+	TLSClientConfig
+
+	// Server should be accessed without verifying the TLS
+	// certificate. For testing only.
+	Insecure bool
+
+	// UserAgent is an optional field that specifies the caller of this request.
+	UserAgent string
+
+	// Transport may be used for custom HTTP behavior. This attribute may not
+	// be specified with the TLS client certificate options. Use WrapTransport
+	// for most client level operations.
+	Transport http.RoundTripper
+	// WrapTransport will be invoked for custom HTTP behavior after the underlying
+	// transport is initialized (either the transport created from TLSClientConfig,
+	// Transport, or http.DefaultTransport). The config may layer other RoundTrippers
+	// on top of the returned RoundTripper.
+	WrapTransport func(rt http.RoundTripper) http.RoundTripper
+
+	// QPS indicates the maximum QPS to the master from this client.
+	// If it's zero, the created RESTClient will use DefaultQPS: 5
+	QPS float32
+
+	// Maximum burst for throttle.
+	// If it's zero, the created RESTClient will use DefaultBurst: 10.
+	Burst int
+
+	// Rate limiter for limiting connections to the master from this client. If present overwrites QPS/Burst
+	RateLimiter flowcontrol.RateLimiter
+}
+
+// TLSClientConfig contains settings to enable transport layer security
+type TLSClientConfig struct {
+	// Server requires TLS client certificate authentication
+	CertFile string
+	// Server requires TLS client certificate authentication
+	KeyFile string
+	// Trusted root certificates for server
+	CAFile string
+
+	// CertData holds PEM-encoded bytes (typically read from a client certificate file).
+	// CertData takes precedence over CertFile
+	CertData []byte
+	// KeyData holds PEM-encoded bytes (typically read from a client certificate key file).
+	// KeyData takes precedence over KeyFile
+	KeyData []byte
+	// CAData holds PEM-encoded bytes (typically read from a root certificates bundle).
+	// CAData takes precedence over CAFile
+	CAData []byte
+}
+
+type ContentConfig struct {
+	// ContentType specifies the wire format used to communicate with the server.
+	// This value will be set as the Accept header on requests made to the server, and
+	// as the default content type on any object sent to the server. If not set,
+	// "application/json" is used.
+	ContentType string
+	// GroupVersion is the API version to talk to. Must be provided when initializing
+	// a RESTClient directly. When initializing a Client, will be set with the default
+	// code version.
+	GroupVersion *unversioned.GroupVersion
+	// NegotiatedSerializer is used for obtaining encoders and decoders for multiple
+	// supported media types.
+	NegotiatedSerializer runtime.NegotiatedSerializer
+}
+
+// RESTClientFor returns a RESTClient that satisfies the requested attributes on a client Config
+// object. Note that a RESTClient may require fields that are optional when initializing a Client.
+// A RESTClient created by this method is generic - it expects to operate on an API that follows
+// the Kubernetes conventions, but may not be the Kubernetes API.
+func RESTClientFor(config *Config) (*RESTClient, error) {
+	if config.GroupVersion == nil {
+		return nil, fmt.Errorf("GroupVersion is required when initializing a RESTClient")
+	}
+	if config.NegotiatedSerializer == nil {
+		return nil, fmt.Errorf("NegotiatedSerializer is required when initializing a RESTClient")
+	}
+	qps := config.QPS
+	if config.QPS == 0.0 {
+		qps = DefaultQPS
+	}
+	burst := config.Burst
+	if config.Burst == 0 {
+		burst = DefaultBurst
+	}
+
+	baseURL, versionedAPIPath, err := defaultServerUrlFor(config)
+	if err != nil {
+		return nil, err
+	}
+
+	transport, err := TransportFor(config)
+	if err != nil {
+		return nil, err
+	}
+
+	var httpClient *http.Client
+	if transport != http.DefaultTransport {
+		httpClient = &http.Client{Transport: transport}
+	}
+
+	return NewRESTClient(baseURL, versionedAPIPath, config.ContentConfig, qps, burst, config.RateLimiter, httpClient)
+}
+
+// UnversionedRESTClientFor is the same as RESTClientFor, except that it allows
+// the config.Version to be empty.
+func UnversionedRESTClientFor(config *Config) (*RESTClient, error) {
+	if config.NegotiatedSerializer == nil {
+		return nil, fmt.Errorf("NeogitatedSerializer is required when initializing a RESTClient")
+	}
+
+	baseURL, versionedAPIPath, err := defaultServerUrlFor(config)
+	if err != nil {
+		return nil, err
+	}
+
+	transport, err := TransportFor(config)
+	if err != nil {
+		return nil, err
+	}
+
+	var httpClient *http.Client
+	if transport != http.DefaultTransport {
+		httpClient = &http.Client{Transport: transport}
+	}
+
+	versionConfig := config.ContentConfig
+	if versionConfig.GroupVersion == nil {
+		v := unversioned.SchemeGroupVersion
+		versionConfig.GroupVersion = &v
+	}
+
+	return NewRESTClient(baseURL, versionedAPIPath, versionConfig, config.QPS, config.Burst, config.RateLimiter, httpClient)
+}
+
+// SetKubernetesDefaults sets default values on the provided client config for accessing the
+// Kubernetes API or returns an error if any of the defaults are impossible or invalid.
+func SetKubernetesDefaults(config *Config) error {
+	if len(config.UserAgent) == 0 {
+		config.UserAgent = DefaultKubernetesUserAgent()
+	}
+	return nil
+}
+
+// DefaultKubernetesUserAgent returns the default user agent that clients can use.
+func DefaultKubernetesUserAgent() string {
+	commit := version.Get().GitCommit
+	if len(commit) > 7 {
+		commit = commit[:7]
+	}
+	if len(commit) == 0 {
+		commit = "unknown"
+	}
+	version := version.Get().GitVersion
+	seg := strings.SplitN(version, "-", 2)
+	version = seg[0]
+	return fmt.Sprintf("%s/%s (%s/%s) kubernetes/%s", path.Base(os.Args[0]), version, gruntime.GOOS, gruntime.GOARCH, commit)
+}
+
+// InClusterConfig returns a config object which uses the service account
+// kubernetes gives to pods. It's intended for clients that expect to be
+// running inside a pod running on kuberenetes. It will return an error if
+// called from a process not running in a kubernetes environment.
+func InClusterConfig() (*Config, error) {
+	host, port := os.Getenv("KUBERNETES_SERVICE_HOST"), os.Getenv("KUBERNETES_SERVICE_PORT")
+	if len(host) == 0 || len(port) == 0 {
+		return nil, fmt.Errorf("unable to load in-cluster configuration, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT must be defined")
+	}
+
+	token, err := ioutil.ReadFile("/var/run/secrets/kubernetes.io/serviceaccount/" + api.ServiceAccountTokenKey)
+	if err != nil {
+		return nil, err
+	}
+	tlsClientConfig := TLSClientConfig{}
+	rootCAFile := "/var/run/secrets/kubernetes.io/serviceaccount/" + api.ServiceAccountRootCAKey
+	if _, err := crypto.CertPoolFromFile(rootCAFile); err != nil {
+		glog.Errorf("Expected to load root CA config from %s, but got err: %v", rootCAFile, err)
+	} else {
+		tlsClientConfig.CAFile = rootCAFile
+	}
+
+	return &Config{
+		// TODO: switch to using cluster DNS.
+		Host:            "https://" + net.JoinHostPort(host, port),
+		BearerToken:     string(token),
+		TLSClientConfig: tlsClientConfig,
+	}, nil
+}
+
+// IsConfigTransportTLS returns true if and only if the provided
+// config will result in a protected connection to the server when it
+// is passed to restclient.RESTClientFor().  Use to determine when to
+// send credentials over the wire.
+//
+// Note: the Insecure flag is ignored when testing for this value, so MITM attacks are
+// still possible.
+func IsConfigTransportTLS(config Config) bool {
+	baseURL, _, err := defaultServerUrlFor(&config)
+	if err != nil {
+		return false
+	}
+	return baseURL.Scheme == "https"
+}
+
+// LoadTLSFiles copies the data from the CertFile, KeyFile, and CAFile fields into the CertData,
+// KeyData, and CAFile fields, or returns an error. If no error is returned, all three fields are
+// either populated or were empty to start.
+func LoadTLSFiles(c *Config) error {
+	var err error
+	c.CAData, err = dataFromSliceOrFile(c.CAData, c.CAFile)
+	if err != nil {
+		return err
+	}
+
+	c.CertData, err = dataFromSliceOrFile(c.CertData, c.CertFile)
+	if err != nil {
+		return err
+	}
+
+	c.KeyData, err = dataFromSliceOrFile(c.KeyData, c.KeyFile)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// dataFromSliceOrFile returns data from the slice (if non-empty), or from the file,
+// or an error if an error occurred reading the file
+func dataFromSliceOrFile(data []byte, file string) ([]byte, error) {
+	if len(data) > 0 {
+		return data, nil
+	}
+	if len(file) > 0 {
+		fileData, err := ioutil.ReadFile(file)
+		if err != nil {
+			return []byte{}, err
+		}
+		return fileData, nil
+	}
+	return nil, nil
+}
+
+func AddUserAgent(config *Config, userAgent string) *Config {
+	fullUserAgent := DefaultKubernetesUserAgent() + "/" + userAgent
+	config.UserAgent = fullUserAgent
+	return config
+}