<(printf "\n[x509_ext]\nbasicConstraints=critical,CA:true,pathlen:0\nkeyUsage=critical,keyCertSign,cRLSign")) \
-out {{ arvados_ca_cert_file }} \
-keyout {{ arvados_ca_key_file }} \
<(printf "\n[x509_ext]\nbasicConstraints=critical,CA:true,pathlen:0\nkeyUsage=critical,keyCertSign,cRLSign")) \
-out {{ arvados_ca_cert_file }} \
-keyout {{ arvados_ca_key_file }} \