generate_keytab_secret

kubectl -n default-tenant cp kuberos-kuberos-kdc-0:/etc/krb5.keytab krb5.keytab -c kadmin
kubectl -n default-tenant cp kuberos-kuberos-kdc-0:/etc/hdfs.keytab hdfs.keytab -c kadmin

keytool -genkey -alias hadoop-master.hadoop-domain.default-tenant.svc.cluster.local -keyalg rsa -keysize 1024 -dname "CN=hadoop-master.hadoop-domain.default-tenant.svc.cluster.local" -keypass changeme -keystore ./hdfs.jks -storepass changeme
keytool -genkey -alias hadoop-worker.hadoop-domain.default-tenant.svc.cluster.local -keyalg rsa -keysize 1024 -dname "CN=hadoop-worker.hadoop-domain.default-tenant.svc.cluster.local" -keypass changeme -keystore ./hdfs.jks -storepass changeme
keytool -genkey -alias hadoop-master -keyalg rsa -keysize 1024 -dname "CN=hadoop-master" -keypass changeme -keystore ./hdfs.jks -storepass changeme
keytool -genkey -alias hadoop-worker -keyalg rsa -keysize 1024 -dname "CN=hadoop-worker" -keypass changeme -keystore ./hdfs.jks -storepass changeme

kubectl -n default-tenant delete secret krb5-keytab
kubectl -n default-tenant create secret generic krb5-keytab --from-file=krb5.keytab=krb5.keytab --from-file=hdfs.keytab=hdfs.keytab --from-file=hdfs.jks=hdfs.jks

rm -rf ./krb5.keytab ./hdfs.keytab ./hdfs.jks