119 lines
3.2 KiB
Bash
119 lines
3.2 KiB
Bash
#!/bin/sh
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# Copyright 2014 The Kubernetes Authors All rights reserved.
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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. /etc/sysconfig/heat-params
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set -o errexit
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set -o nounset
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set -o pipefail
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if [ "$TLS_DISABLED" == "True" ]; then
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exit 0
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fi
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cert_dir=/etc/kubernetes/ssl
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mkdir -p "$cert_dir"
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CA_CERT=$cert_dir/ca.crt
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CLIENT_CERT=$cert_dir/client.crt
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CLIENT_CSR=$cert_dir/client.csr
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CLIENT_KEY=$cert_dir/client.key
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KUBE_MASTER_URI="https://$KUBE_MASTER_IP:$KUBE_API_PORT"
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#Get a token by user credentials and trust
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auth_json=$(cat << EOF
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{
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"auth": {
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"identity": {
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"methods": [
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"password"
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],
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"password": {
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"user": {
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"id": "$TRUSTEE_USER_ID",
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"password": "$TRUSTEE_PASSWORD"
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}
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}
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},
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"scope": {
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"OS-TRUST:trust": {
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"id": "$TRUST_ID"
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}
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}
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}
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}
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EOF
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)
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#trust is introduced in Keystone v3 version
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AUTH_URL=${AUTH_URL/v2.0/v3}
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content_type='Content-Type: application/json'
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url="$AUTH_URL/auth/tokens"
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USER_TOKEN=`curl -s -i -X POST -H "$content_type" -d "$auth_json" $url \
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| grep X-Subject-Token | awk '{print $2}' | tr -d '[[:space:]]'`
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# Get CA certificate for this cluster
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curl -X GET \
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-H "X-Auth-Token: $USER_TOKEN" \
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$MAGNUM_URL/certificates/$CLUSTER_UUID | python -c 'import sys, json; print json.load(sys.stdin)["pem"]' > $CA_CERT
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# Create config for client's csr
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cat > ${cert_dir}/client.conf <<EOF
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[req]
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distinguished_name = req_distinguished_name
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req_extensions = req_ext
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prompt = no
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[req_distinguished_name]
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CN = kubernetes.invalid
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[req_ext]
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keyUsage=critical,digitalSignature,keyEncipherment
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extendedKeyUsage=clientAuth
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subjectAltName=dirName:kubelet,dirName:kubeproxy
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[kubelet]
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CN=kubelet
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[kubeproxy]
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CN=kube-proxy
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EOF
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# Generate client's private key and csr
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openssl genrsa -out "${CLIENT_KEY}" 4096
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chmod 600 ${CLIENT_KEY}
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openssl req -new -days 1000 \
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-key "${CLIENT_KEY}" \
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-out "${CLIENT_CSR}" \
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-reqexts req_ext \
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-config "${cert_dir}/client.conf"
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# Send csr to Magnum to have it signed
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csr_req=$(python -c "import json; fp = open('${CLIENT_CSR}'); print json.dumps({'cluster_uuid': '$CLUSTER_UUID', 'csr': fp.read()}); fp.close()")
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curl -X POST \
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-H "X-Auth-Token: $USER_TOKEN" \
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-H "Content-Type: application/json" \
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-d "$csr_req" \
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$MAGNUM_URL/certificates | python -c 'import sys, json; print json.load(sys.stdin)["pem"]' > ${CLIENT_CERT}
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chmod 700 ${cert_dir}
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chmod 600 ${cert_dir}/*
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chown -R kube:kube ${cert_dir}
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sed -i '
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s|CA_CERT|'"$CA_CERT"'|
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s|CLIENT_CERT|'"$CLIENT_CERT"'|
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s|CLIENT_KEY|'"$CLIENT_KEY"'|
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s|KUBE_MASTER_URI|'"$KUBE_MASTER_URI"'|
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' /etc/kubernetes/kubeconfig.yaml
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