91bea58ee0
`CIDR` is easier to manage than `interface` on clusters with different hardware. Change-Id: I1266eb37c1355b95f23efd33856a79f259020017
49 lines
1.4 KiB
Smarty
49 lines
1.4 KiB
Smarty
#!/bin/bash
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{{/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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set -ex
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IFS=','
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for KEY_TYPE in $KEY_TYPES; do
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KEY_PATH=/etc/ssh/ssh_host_${KEY_TYPE}_key
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if [[ ! -f "${KEY_PATH}" ]]; then
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ssh-keygen -q -t ${KEY_TYPE} -f ${KEY_PATH} -N ""
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fi
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done
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IFS=''
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subnet_address="{{- .Values.network.ssh.from_subnet -}}"
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if [ -z "${subnet_address}" ] ; then
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subnet_address="0.0.0.0/0"
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fi
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listen_interface=$(ip -4 route list ${subnet_address} | awk -F 'dev' '{ print $2; exit }' | awk '{ print $1 }') || exit 1
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listen_address=$(ip a s $listen_interface | grep 'inet ' | awk '{print $2}' | awk -F "/" '{print $1}' | head -1)
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cat > /tmp/sshd_config_extend <<EOF
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ListenAddress $listen_address
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PasswordAuthentication no
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Match Address $subnet_address
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PermitRootLogin without-password
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EOF
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cat /tmp/sshd_config_extend >> /etc/ssh/sshd_config
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rm /tmp/sshd_config_extend
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mkdir -p /run/sshd
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exec /usr/sbin/sshd -D -e -o Port=$SSH_PORT
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