go-ethereum/vendor/github.com/docker/go-connections/sockets/proxy.go
Rafael Matias 388d8ccd9f
PoC: Network simulation framework (#1555)
* simv2: wip

* simulation: exec adapter start/stop

* simulation: add node status to exec adapter

* simulation: initial simulation code

* simulation: exec adapter, configure path to executable

* simulation: initial docker adapter

* simulation: wip kubernetes adapter

* simulation: kubernetes adapter proxy

* simulation: implement GetAll/StartAll/StopAll

* simulation: kuberentes adapter - set env vars and resource limits

* simulation: discovery test

* simulation: remove port definitions within docker adapter

* simulation: simplify wait for healthy loop

* simulation: get nat ip addr from interface

* simulation: pull docker images automatically

* simulation: NodeStatus -> NodeInfo

* simulation: move discovery test to example dir

* simulation: example snapshot usage

* simulation: add goclient specific simulation

* simulation: add peer connections to snapshot

* simulation: close rpc client

* simulation: don't export kubernetes proxy server

* simulation: merge simulation code

* simulation: don't export nodemap

* simulation: rename SimulationSnapshot -> Snapshot

* simulation: linting fixes

* simulation: add k8s available helper func

* simulation: vendor

* simulation: fix 'no non-test Go files' when building

* simulation: remove errors from interface methods where non were returned

* simulation: run getHealthInfo check in parallel
2019-07-24 17:00:13 +02:00

28 lines
909 B
Go

package sockets
import (
"net"
"os"
"strings"
)
// GetProxyEnv allows access to the uppercase and the lowercase forms of
// proxy-related variables. See the Go specification for details on these
// variables. https://golang.org/pkg/net/http/
func GetProxyEnv(key string) string {
proxyValue := os.Getenv(strings.ToUpper(key))
if proxyValue == "" {
return os.Getenv(strings.ToLower(key))
}
return proxyValue
}
// DialerFromEnvironment was previously used to configure a net.Dialer to route
// connections through a SOCKS proxy.
// DEPRECATED: SOCKS proxies are now supported by configuring only
// http.Transport.Proxy, and no longer require changing http.Transport.Dial.
// Therefore, only sockets.ConfigureTransport() needs to be called, and any
// sockets.DialerFromEnvironment() calls can be dropped.
func DialerFromEnvironment(direct *net.Dialer) (*net.Dialer, error) {
return direct, nil
}