57 lines
1.7 KiB
Bash
Executable File
57 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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ERROR=0
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# shellcheck disable=2154 # 2154 irrelevant because the ENV variable should come from container invokation
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if [ "${SSH_USER}" = "" ] ; then
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echo You must set the SSH_USER environment variable
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ERROR=1
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fi
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# shellcheck disable=2154 # 2154 irrelevant because the ENV variable should come from container invokation
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# shellcheck disable=2153 # 2153 irrelevant because SSH_HOST is the correct ENV variable
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if [ "${SSH_HOST}" = "" ] ; then
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echo You must set the SSH_HOST environment variable
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ERROR=1
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fi
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# shellcheck disable=2154 # 2154 irrelevant because the ENV variable should come from container invokation
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if [ "${REMOTE_HOST}" = "" ] ; then
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echo You must set the REMOTE_HOST environment variable
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ERROR=1
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fi
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# shellcheck disable=2154 # 2154 irrelevant because the ENV variable should come from container invokation
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if [ "${REMOTE_PORT}" = "" ] ; then
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echo You must set the REMOTE_PORT environment variable
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ERROR=1
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fi
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# shellcheck disable=2154 # 2154 irrelevant because the ENV variable should come from container invokation
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if [ "${LOCAL_PORT}" = "" ] ; then
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echo You must set the LOCAL_PORT environment variable
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ERROR=1
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fi
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SSH_PORT=${SSH_PORT:-22}
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SSH_IDENTITY_PATH=${SSH_IDENTITY_PATH:-/id_rsa}
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if [ ! -r "${SSH_IDENTITY_PATH}" ] ; then
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echo "The specified identity file (${SSH_IDENTITY_PATH}) is not readable"
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ERROR=1
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fi
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if [ "${ERROR}" = "1" ] ; then
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echo "Quitting"
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exit 1
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fi
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while true ; do
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ssh \
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-p "${SSH_PORT}" -i "${SSH_IDENTITY_PATH}" \
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-o StrictHostKeyChecking=no -N \
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-L "0.0.0.0:${LOCAL_PORT}:${REMOTE_HOST}:${REMOTE_PORT}" \
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"${SSH_USER}@${SSH_HOST}"
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echo "Connection closed. Waiting 5 seconds before retry."
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sleep 5s
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done |