Merge pull request #593 from rqlite/http_proxy

Add HTTP proxy (from environment) support

CHANGELOG.md

@@ -1,4 +1,5 @@
 ## 4.6.0 (unreleased)
+- [PR #593](https://github.com/rqlite/rqlite/pull/593): rqlite CLI now supports HTTP proxy. Thanks @paulstuart
 - [PR #592](https://github.com/rqlite/rqlite/pull/592): Add .dump to CLI.
 - [PR #591](https://github.com/rqlite/rqlite/pull/591): Store layer supports generating SQL format backups.
 - [PR #590](https://github.com/rqlite/rqlite/pull/590): DB layer supports generating SQL format backups.

cmd/rqlite/backup.go

@@ -99,6 +99,7 @@ func makeRestoreRequest(restoreFile io.Reader) func(string) (*http.Request, erro
 func restore(ctx *cli.Context, filename string, argv *argT) error {
 	statusURL := fmt.Sprintf("%s://%s:%d/status", argv.Protocol, argv.Host, argv.Port)
 	client := http.Client{Transport: &http.Transport{
+		Proxy:           http.ProxyFromEnvironment,
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: argv.Insecure},
 	}}
 	statusResp, err := client.Get(statusURL)

cmd/rqlite/main.go

@@ -178,6 +178,7 @@ func sendRequest(ctx *cli.Context, makeNewRequest func(string) (*http.Request, e
 
 	client := http.Client{Transport: &http.Transport{
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: argv.Insecure, RootCAs: rootCAs},
+		Proxy:           http.ProxyFromEnvironment,
 	}}
 
 	// Explicitly handle redirects.
@@ -261,6 +262,7 @@ func cliJSON(ctx *cli.Context, cmd, line, url string, argv *argT) error {
 
 	client := http.Client{Transport: &http.Transport{
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: argv.Insecure},
+		Proxy:           http.ProxyFromEnvironment,
 	}}
 	resp, err := client.Get(url)
 	if err != nil {