Merge pull request #15385 from cescoffier/renew-kafka-it-certs

Update p12 files and provide instructions to regenerate them

integration-tests/kafka/src/test/resources/README.md

@@ -0,0 +1,23 @@
+# How to generate the key and trust stores
+
+Run:
+
+```shell script
+cd src/test/resources
+rm -Rf *.p12
+export SECRET=Z_pkTh9xgZovK4t34cGB2o6afT4zZg0L
+export JKS_FILE=kafka-keystore.jks
+export JKS_TRUST_FILE=kafka-truststore.jks
+export CERT_FILE=localhost.crt
+export PKCS_FILE=kafka-keystore.p12
+export PKCS_TRUST_FILE=kafka-truststore.p12
+export PEM_FILE_CERT=kafka-cert.pem
+export PEM_FILE_KEY=kafka-key.pem
+keytool -genkey -alias kafka-test-store -keyalg RSA -keystore ${JKS_FILE} -keysize 2048 -validity 1095 -dname CN=localhost -keypass ${SECRET} -storepass ${SECRET}
+keytool -export -alias kafka-test-store -file ${CERT_FILE} -keystore ${JKS_FILE} -keypass ${SECRET} -storepass ${SECRET}
+keytool -importkeystore -srckeystore ${JKS_FILE} -srcstorepass ${SECRET} -destkeystore ${PKCS_FILE} -deststoretype PKCS12 -deststorepass ${SECRET}
+keytool -keystore ${JKS_TRUST_FILE} -import -file ${CERT_FILE} -keypass ${SECRET} -storepass ${SECRET} -noprompt  
+keytool -importkeystore -srckeystore ${JKS_TRUST_FILE} -srcstorepass ${SECRET} -destkeystore ${PKCS_TRUST_FILE} -deststoretype PKCS12 -deststorepass ${SECRET}
+rm -Rf localhost.crt *.jks
+cd ../../.. || exit -1 
+```