proxy

package
Version: v0.3.0 Latest Latest
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Published: Dec 12, 2018 License: Apache-2.0 Imports: 29 Imported by: 0

Documentation

Index

Constants

View Source
const (
	// DefaultHostAcceptRE is the default value for which hosts to accept.
	DefaultHostAcceptRE = "^localhost$,^127\\.0\\.0\\.1$,^\\[::1\\]$"
	// DefaultPathAcceptRE is the default path to accept.
	DefaultPathAcceptRE = "^.*"
	// DefaultPathRejectRE is the default set of paths to reject.
	DefaultPathRejectRE = "^/api/.*/pods/.*/exec,^/api/.*/pods/.*/attach"
	// DefaultMethodRejectRE is the set of HTTP methods to reject by default.
	DefaultMethodRejectRE = "^$"
)

Variables

View Source
var (
	// ReverseProxyFlushInterval is the frequency to flush the reverse proxy.
	// Only matters for long poll connections like the one used to watch. With an
	// interval of 0 the reverse proxy will buffer content sent on any connection
	// with transfer-encoding=chunked.
	// TODO: Flush after each chunk so the client doesn't suffer a 100ms latency per
	// watch event.
	ReverseProxyFlushInterval = 100 * time.Millisecond
)

Functions

func CacheResponseHandler added in v0.3.0

func CacheResponseHandler(h http.Handler, informerCache cache.Cache, restMapper meta.RESTMapper) http.Handler

CacheResponseHandler will handle proxied requests and check if the requested resource exists in our cache. If it does then there is no need to bombard the APIserver with our request and we should write the response from the proxy.

func InjectOwnerReferenceHandler

func InjectOwnerReferenceHandler(h http.Handler) http.Handler

InjectOwnerReferenceHandler will handle proxied requests and inject the owner refernece found in the authorization header. The Authorization is then deleted so that the proxy can re-set with the correct authorization.

func MakeRegexpArray

func MakeRegexpArray(str string) ([]*regexp.Regexp, error)

MakeRegexpArray splits a comma separated list of regexps into an array of Regexp objects.

func MakeRegexpArrayOrDie

func MakeRegexpArrayOrDie(str string) []*regexp.Regexp

MakeRegexpArrayOrDie creates an array of regular expression objects from a string or exits.

func Run added in v0.1.0

func Run(done chan error, o Options) error

Run will start a proxy server in a go routine that returns on the error channel if something is not correct on startup. Run will not return until the network socket is listening.

Types

type FilterServer

type FilterServer struct {
	// Only paths that match this regexp will be accepted
	AcceptPaths []*regexp.Regexp
	// Paths that match this regexp will be rejected, even if they match the above
	RejectPaths []*regexp.Regexp
	// Hosts are required to match this list of regexp
	AcceptHosts []*regexp.Regexp
	// Methods that match this regexp are rejected
	RejectMethods []*regexp.Regexp
	// contains filtered or unexported fields
}

FilterServer rejects requests which don't match one of the specified regular expressions

func (*FilterServer) HandlerFor

func (f *FilterServer) HandlerFor(delegate http.Handler) *FilterServer

HandlerFor makes a shallow copy of f which passes its requests along to the new delegate.

func (*FilterServer) ServeHTTP

func (f *FilterServer) ServeHTTP(rw http.ResponseWriter, req *http.Request)

type HandlerChain

type HandlerChain func(http.Handler) http.Handler

HandlerChain will be used for users to pass defined handlers to the proxy. The hander chain will be run after InjectingOwnerReference if it is added and before the proxy handler.

type Options

type Options struct {
	Address          string
	Port             int
	Handler          HandlerChain
	NoOwnerInjection bool
	KubeConfig       *rest.Config
	Cache            cache.Cache
	RESTMapper       meta.RESTMapper
}

Options will be used by the user to specify the desired details for the proxy.

Directories

Path Synopsis

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