mirror of
https://github.com/kyverno/kyverno.git
synced 2024-12-14 11:57:48 +00:00
54 lines
1.8 KiB
Bash
Executable file
54 lines
1.8 KiB
Bash
Executable file
#!/bin/bash
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for i in "$@"
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do
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case $i in
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--service=*)
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service="${i#*=}"
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shift
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;;
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--namespace=*)
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namespace="${i#*=}"
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shift
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;;
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esac
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done
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if [ "$service" == "" ]; then
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service="kyverno-svc"
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fi
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if [ "$namespace" == "" ]; then
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namespace="kyverno"
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fi
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echo "service is $service"
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echo "namespace is $namespace"
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echo "Generating self-signed certificate"
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# generate priv key for root CA
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openssl genrsa -out rootCA.key 4096
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# generate root CA
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openssl req -x509 -new -nodes -key rootCA.key -sha256 -days 1024 -out rootCA.crt -subj "/C=US/ST=test/L=test /O=test /OU=PIB/CN=*.${namespace}.svc/emailAddress=test@test.com"
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# generate priv key
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openssl genrsa -out webhook.key 4096
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# generate certificate
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openssl req -new -key webhook.key -out webhook.csr -subj "/C=US/ST=test /L=test /O=test /OU=PIB/CN=${service}.${namespace}.svc/emailAddress=test@test.com"
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# generate SANs
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echo "subjectAltName = DNS:kyverno-svc,DNS:${service}.${namespace},DNS:${service}.${namespace}.svc" >> webhook.ext
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# sign the certificate using the root CA
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openssl x509 -req -in webhook.csr -CA rootCA.crt -CAkey rootCA.key -CAcreateserial -out webhook.crt -days 1024 -sha256
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echo "Generating corresponding kubernetes secrets for TLS pair and root CA"
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# create project namespace
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kubectl create ns ${namespace}
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# create tls pair secret
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kubectl -n ${namespace} create secret tls ${service}.${namespace}.svc.kyverno-tls-pair --cert=webhook.crt --key=webhook.key
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# annotate tls pair secret to specify use of self-signed certificates and check if root CA is created as secret
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kubectl annotate secret ${service}.${namespace}.svc.kyverno-tls-pair -n ${namespace} self-signed-cert=true
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# create root CA secret
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kubectl -n ${namespace} create secret generic ${service}.${namespace}.svc.kyverno-tls-ca --from-file=rootCA.crt
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