sshuttle/scripts/exec-sshuttle

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#!/usr/bin/env bash
set -e
function with_set_x() {
set -x
"$@"
{
ec=$?
set +x
return $ec
} 2>/dev/null
}
function log() {
echo "$*" >&2
}
ssh_cmd='ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null'
ssh_copy_id=false
args=()
while [[ $# -gt 0 ]]; do
arg=$1
shift
case "$arg" in
-v)
ssh_cmd+='-v'
;;
-r)
args+=("$arg" "$1")
shift
continue
;;
--copy-id)
ssh_copy_id=true
continue
;;
--server-py=*)
server_pyenv_ver="${arg#*=}"
continue
;;
--client-py=*)
client_pyenv_ver="${arg#*=}"
continue
;;
-6)
ipv6_only=true
continue
;;
--sshuttle-bin=*)
sshuttle_bin="${arg#*=}"
continue
;;
-*) ;;
*)
if [[ -z "$node" ]]; then
node=$arg
continue
fi
;;
esac
args+=("$arg")
done
port="2222"
user="test:test"
if [[ $node == node-* ]]; then
pycmd="/pyenv/shims/python"
ssh_cmd+=" -o SetEnv=PYENV_VERSION=${server_pyenv_ver:-'3'}"
args=("--python=$pycmd" "${args[@]}")
host=$("$(dirname "$0")/test-bed" get-ip "$node")
index=${node#node-}
if [[ $ipv6_only == true ]]; then
args+=("2001:0DB8::/112")
else
args+=("10.55.$index.0/24")
fi
else
host=$node
fi
if ! command -v sshpass >/dev/null; then
log "sshpass is not found. You might have to manually enter ssh password: 'test'"
user=${user%:*}
fi
if [[ $ssh_copy_id == true ]]; then
log "Trying to make it passwordless"
with_set_x ssh-copy-id -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p "$port" "$user@$host"
fi
if [[ -z $sshuttle_bin || "$sshuttle_bin" == dev ]]; then
cd "$(dirname "$0")/.."
export PYTHONPATH="."
if [[ -n $client_pyenv_ver ]]; then
log "Using pyenv version: $client_pyenv_ver"
command -v pyenv &>/dev/null || log "You have to install pyenv to use --client-py" && exit 1
sshuttle_cmd=(/usr/bin/env PYENV_VERSION="$client_pyenv_ver" pyenv exec python -m sshuttle)
else
log "Using best python version availble"
if [ -x "$(command -v python3)" ] &&
python3 -c "import sys; sys.exit(not sys.version_info > (3, 5))"; then
sshuttle_cmd=(python3 -m sshuttle)
else
sshuttle_cmd=(python -m sshuttle)
fi
fi
else
[[ -n $client_pyenv_ver ]] && log "Can't specify --client-py when --sshuttle-bin is specified" && exit 1
sshuttle_cmd=("$sshuttle_bin")
fi
if [[ " ${args[*]} " != *" --ssh-cmd "* ]]; then
args=("--ssh-cmd" "$ssh_cmd" "${args[@]}")
fi
if [[ " ${args[*]} " != *" -r "* ]]; then
args=("-r" "$user@$host:$port" "${args[@]}")
fi
set -x
"${sshuttle_cmd[@]}" --version
exec "${sshuttle_cmd[@]}" "${args[@]}"