initial release

entrypoint.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+ERROR=0
+
+if [ "${SSH_USER}" = "" ] ; then
+  echo You must set the SSH_USER environment variable
+  ERROR=1
+fi
+
+if [ "${SSH_HOST}" = "" ] ; then
+  echo You must set the SSH_HOST environment variable
+  ERROR=1
+fi
+
+if [ "${REMOTE_HOST}" = "" ] ; then
+  echo You must set the REMOTE_HOST environment variable
+  ERROR=1
+fi
+
+if [ "${REMOTE_PORT}" = "" ] ; then
+  echo You must set the REMOTE_PORT environment variable
+  ERROR=1
+fi
+
+if [ "${LOCAL_PORT}" = "" ] ; then
+  echo You must set the LOCAL_PORT environment variable
+  ERROR=1
+fi
+
+SSH_PORT=${SSH_PORT:-22}
+SSH_IDENTITY_PATH=${SSH_IDENTITY_PATH:-/id_rsa}
+
+if [ ! -r "${SSH_IDENTITY_PATH}" ] ; then
+  echo "The specified identity file (${SSH_IDENTITY_PATH}) is not readable"
+  ERROR=1
+fi
+
+if [ "${ERROR}" = "1" ] ; then
+  echo "Quitting"
+  exit 1
+fi
+
+while true ; do
+  ssh \
+    -p ${SSH_PORT} -i ${SSH_IDENTITY_PATH} \
+    -o StrictHostKeyChecking=no -N \
+    -L 0.0.0.0:${LOCAL_PORT}:${REMOTE_HOST}:${REMOTE_PORT} \
+    ${SSH_USER}@${SSH_HOST} 
+  echo "Connection closed. Waiting 5 seconds before retry."
+  sleep 5s
+done