Created
December 7, 2011 16:57
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Open and keep open a SSH tunnel using Clojure
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(ns ssh-tunnel.core | |
(require [clj-ssh.ssh :as ssh])) | |
(defn ssh-tunnel | |
"Run a ssh tunnel in a deamon thread." | |
[session local-port remote-port] | |
(ssh/with-local-port-forward [session local-port remote-port] | |
(.setDaemonThread session true) | |
(ssh/with-connection session | |
(.setServerAliveInterval session 1000) | |
(while (ssh/connected? session) | |
(Thread/sleep 100))))) | |
(defn- tunnel [{:keys [host port user password]}] | |
(ssh/with-ssh-agent [] | |
(loop [] | |
(try | |
(let [port (Integer. port) | |
session (ssh/session host | |
:username user | |
:password password | |
:strict-host-key-checking :no)] | |
(ssh-tunnel session port port)) | |
(catch RuntimeException e | |
(Thread/sleep 1000))) | |
(recur)))) | |
(defn start-tunnel [settings] | |
(when settings | |
(doto (Thread. (partial tunnel settings)) | |
(.setDaemon true) | |
(.start)))) |
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