magnum/magnum/drivers/common/templates/kubernetes/fragments/make-cert.sh
Spyros Trigazis 2c635692ae Split k8s atomic vm and ironic drivers
The 2 k8s atomic drivers we currently support are added to the
same driver. This breaks ironic support with the stevedore
work I'm currently doing.

With stevedore, we can choose only one driver based on the
server_type, os and coe. We won't be able to pick a driver and
then choose an implementation bases on server_type.

Partially-Implements: blueprint magnum-baremetal-full-support
Co-Authored-By: Spyros Trigazis <strigazi@gmail.com>
Change-Id: Ic1b8103551f48f85baa2ed9ff32d5b70b1fab84e
2016-09-09 18:10:08 +02:00

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#!/bin/sh
# Copyright 2014 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
. /etc/sysconfig/heat-params
set -o errexit
set -o nounset
set -o pipefail
if [ "$TLS_DISABLED" == "True" ]; then
exit 0
fi
if [[ -z "${KUBE_NODE_PUBLIC_IP}" ]]; then
KUBE_NODE_PUBLIC_IP=$(curl -s http://169.254.169.254/latest/meta-data/public-ipv4)
fi
if [[ -z "${KUBE_NODE_IP}" ]]; then
KUBE_NODE_IP=$(curl -s http://169.254.169.254/latest/meta-data/local-ipv4)
fi
sans="IP:${KUBE_NODE_PUBLIC_IP},IP:${KUBE_NODE_IP}"
if [ "${KUBE_NODE_PUBLIC_IP}" != "${KUBE_API_PUBLIC_ADDRESS}" ] \
&& [ -n "${KUBE_API_PUBLIC_ADDRESS}" ]; then
sans="${sans},IP:${KUBE_API_PUBLIC_ADDRESS}"
fi
if [ "${KUBE_NODE_IP}" != "${KUBE_API_PRIVATE_ADDRESS}" ] \
&& [ -n "${KUBE_API_PRIVATE_ADDRESS}" ]; then
sans="${sans},IP:${KUBE_API_PRIVATE_ADDRESS}"
fi
MASTER_HOSTNAME=${MASTER_HOSTNAME:-}
if [[ -n "${MASTER_HOSTNAME}" ]]; then
sans="${sans},DNS:${MASTER_HOSTNAME}"
fi
sans="${sans},IP:127.0.0.1"
cert_dir=/srv/kubernetes
cert_conf_dir=${cert_dir}/conf
mkdir -p "$cert_dir"
mkdir -p "$cert_conf_dir"
CA_CERT=$cert_dir/ca.crt
SERVER_CERT=$cert_dir/server.crt
SERVER_CSR=$cert_dir/server.csr
SERVER_KEY=$cert_dir/server.key
#Get a token by user credentials and trust
auth_json=$(cat << EOF
{
"auth": {
"identity": {
"methods": [
"password"
],
"password": {
"user": {
"id": "$TRUSTEE_USER_ID",
"password": "$TRUSTEE_PASSWORD"
}
}
},
"scope": {
"OS-TRUST:trust": {
"id": "$TRUST_ID"
}
}
}
}
EOF
)
#trust is introduced in Keystone v3 version
AUTH_URL=${AUTH_URL/v2.0/v3}
content_type='Content-Type: application/json'
url="$AUTH_URL/auth/tokens"
USER_TOKEN=`curl -s -i -X POST -H "$content_type" -d "$auth_json" $url \
| grep X-Subject-Token | awk '{print $2}' | tr -d '[[:space:]]'`
# Get CA certificate for this cluster
curl -X GET \
-H "X-Auth-Token: $USER_TOKEN" \
$MAGNUM_URL/certificates/$CLUSTER_UUID | python -c 'import sys, json; print json.load(sys.stdin)["pem"]' > ${CA_CERT}
# Create config for server's csr
cat > ${cert_conf_dir}/server.conf <<EOF
[req]
distinguished_name = req_distinguished_name
req_extensions = req_ext
prompt = no
[req_distinguished_name]
CN = kubernetes.invalid
[req_ext]
subjectAltName = ${sans}
extendedKeyUsage = clientAuth,serverAuth
EOF
# Generate server's private key and csr
openssl genrsa -out "${SERVER_KEY}" 4096
chmod 400 "${SERVER_KEY}"
openssl req -new -days 1000 \
-key "${SERVER_KEY}" \
-out "${SERVER_CSR}" \
-reqexts req_ext \
-config "${cert_conf_dir}/server.conf"
# Send csr to Magnum to have it signed
csr_req=$(python -c "import json; fp = open('${SERVER_CSR}'); print json.dumps({'cluster_uuid': '$CLUSTER_UUID', 'csr': fp.read()}); fp.close()")
curl -X POST \
-H "X-Auth-Token: $USER_TOKEN" \
-H "Content-Type: application/json" \
-d "$csr_req" \
$MAGNUM_URL/certificates | python -c 'import sys, json; print json.load(sys.stdin)["pem"]' > ${SERVER_CERT}
chmod 500 "${cert_dir}"
chown -R kube:kube "${cert_dir}"