118 lines
2.3 KiB
Bash
Executable File
118 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/bash
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set -x
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if [[ -z ${NUM_CONTROLLERS} || -z ${NUM_WORKERS} ]]; then
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echo "Must set NUM_CONTROLLERS and NUM_WORKERS environment variables"
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exit 1
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fi
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(( NUM_CONTROLLERS-- ))
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(( NUM_WORKERS-- ))
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echo '{
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"signing": {
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"default": {
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"expiry": "8760h"
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},
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"profiles": {
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"kubernetes": {
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"usages": ["signing", "key encipherment", "server auth", "client auth"],
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"expiry": "8760h"
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}
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}
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}
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}' > ca-config.json
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echo '{
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"CN": "Kubernetes",
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"key": {
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"algo": "rsa",
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"size": 2048
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},
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"names": [
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{
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"C": "US",
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"L": "Portland",
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"O": "Kubernetes",
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"OU": "CA",
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"ST": "Oregon"
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}
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]
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}' > ca-csr.json
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cfssl gencert -initca ca-csr.json | cfssljson -bare ca
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# Verify
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openssl x509 -in ca.pem -text -noout
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KUBERNETES_PUBLIC_ADDRESS=$(gcloud compute addresses describe kubernetes \
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--format 'value(address)')
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# Order is inefficient but set up to match original example
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for i in $(eval echo "{0..${NUM_WORKERS}}"); do
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hosts="${hosts}\t\"worker${i}\",\n"
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done
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for i in $(eval echo "{0..${NUM_WORKERS}}"); do
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hosts="${hosts}\t\"ip-10-240-0-2${i}\",\n"
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done
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hosts="${hosts}\t\"10.32.0.1\",\n"
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for i in $(eval echo "{0..${NUM_CONTROLLERS}}"); do
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hosts="${hosts}\t\"10.240.0.1${i}\",\n"
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done
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for i in $(eval echo "{0..${NUM_WORKERS}}"); do
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hosts="${hosts}\t\"10.240.0.2${i}\",\n"
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done
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cat > kubernetes-csr.json <<EOF
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{
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"CN": "kubernetes",
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"hosts": [
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EOF
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echo -en ${hosts} | sed 's/\t/ /' >> kubernetes-csr.json
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cat >> kubernetes-csr.json <<EOF
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"${KUBERNETES_PUBLIC_ADDRESS}",
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"127.0.0.1"
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],
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"key": {
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"algo": "rsa",
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"size": 2048
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},
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"names": [
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{
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"C": "US",
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"L": "Portland",
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"O": "Kubernetes",
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"OU": "Cluster",
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"ST": "Oregon"
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}
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]
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}
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EOF
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cfssl gencert \
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-ca=ca.pem \
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-ca-key=ca-key.pem \
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-config=ca-config.json \
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-profile=kubernetes \
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kubernetes-csr.json | cfssljson -bare kubernetes
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openssl x509 -in kubernetes.pem -text -noout
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for i in $(eval echo "{0..${NUM_CONTROLLERS}}"); do
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kube_hosts="${kube_hosts}controller${i} "
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done
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for i in $(eval echo "{0..${NUM_WORKERS}}"); do
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kube_hosts="${kube_hosts}worker${i} "
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done
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for host in ${kube_hosts}; do
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gcloud compute copy-files ca.pem kubernetes-key.pem kubernetes.pem ${host}:~/
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done
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