Use SCW_SECURE_EXEC instead of exec_secure

Author: Quentin Perez

pkg/cli/cmd_exec.go

@@ -16,7 +16,7 @@ var cmdExec = &Command{
     $ scw exec myserver bash
     $ scw exec --gateway=myotherserver myserver bash
     $ scw exec myserver 'tmux a -t joe || tmux new -s joe || bash'
-    $ exec_secure=1 scw exec myserver bash
+    $ SCW_SECURE_EXEC=1 scw exec myserver bash
     $ scw exec -w $(scw start $(scw create ubuntu-trusty)) bash
     $ scw exec $(scw start -w $(scw create ubuntu-trusty)) bash
     $ scw exec myserver tmux new -d sleep 10

pkg/utils/utils.go

@@ -79,7 +79,7 @@ func SSHExec(publicIPAddress string, privateIPAddress string, command []string,
 // NewSSHExecCmd computes execve compatible arguments to run a command via ssh
 func NewSSHExecCmd(publicIPAddress string, privateIPAddress string, allocateTTY bool, command []string, gatewayIPAddress string) *sshcommand.Command {
 	quiet := os.Getenv("DEBUG") != "1"
-	secureExec := os.Getenv("exec_secure") == "1"
+	secureExec := os.Getenv("SCW_SECURE_EXEC") == "1"
 	sshCommand := &sshcommand.Command{
 		AllocateTTY:         true,
 		Command:             command,