47 lines
1.7 KiB
Bash
47 lines
1.7 KiB
Bash
#!/bin/sh
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echo ----------------
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echo "Generating certs - hostname: $HOST_NAME; IP: $HOST_IP; SAN: $SAN, expiry days: $EXPIRY_DAYS"
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echo ----------------
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openssl rand -base64 32 > ca.password
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openssl genrsa -aes256 -passout file:ca.password -out ca-key.pem 4096
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openssl req -subj "/C=UK/ST=LONDON/L=London/O=KIAMOL/OU=elton" -new -x509 -days $EXPIRY_DAYS -passin file:ca.password -key ca-key.pem -sha256 -out ca.pem
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openssl genrsa -out server-key.pem 4096
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openssl req -subj "/CN=$HOST_NAME" -sha256 -new -key server-key.pem -out server.csr
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echo "subjectAltName = $SAN" >> extfile.cnf
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echo extendedKeyUsage = serverAuth >> extfile.cnf
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openssl x509 -req -days $EXPIRY_DAYS -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem -CAcreateserial -out server-cert.pem -extfile extfile.cnf -passin file:ca.password
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rm *.cnf
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rm *.csr
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rm *.srl
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echo ----------------
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echo Certs generated.
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echo ----------------
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if [ -n "$CREATE_SECRET" ]; then
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# set up access to Kube API
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kubectl config set-cluster default --server=https://kubernetes.default.svc.cluster.local --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
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kubectl config set-context default --cluster=default
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kubectl config set-credentials user --token=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)
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kubectl config set-context default --user=user
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kubectl config use-context default
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mv server-cert.pem tls.crt
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mv server-key.pem tls.key
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kubectl create secret tls $CREATE_SECRET --key=tls.key --cert=tls.crt
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kubectl label secret $CREATE_SECRET kiamol=$SECRET_LABEL
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echo ---------------
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echo Created secret.
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echo ---------------
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openssl base64 -A <"ca.pem" > ca.base64
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fi
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trap : TERM INT; (while true; do sleep 1000; done) & wait |