root@devops248:~/logging# for i in $(k get crds|awk '/banzai/ { print $1 }'); do echo $i; kubectl describe crds $i|egrep -i Loki; done
clusterflows.logging.banzaicloud.io
clusteroutputs.logging.banzaicloud.io
              Loki:
              Loki:
eventtailers.logging-extensions.banzaicloud.io
flows.logging.banzaicloud.io
fluentbitagents.logging.banzaicloud.io
hosttailers.logging-extensions.banzaicloud.io
loggings.logging.banzaicloud.io
nodeagents.logging.banzaicloud.io
outputs.logging.banzaicloud.io
              Loki:
              Loki:
syslogngclusterflows.logging.banzaicloud.io
syslogngclusteroutputs.logging.banzaicloud.io
syslogngflows.logging.banzaicloud.io
syslogngoutputs.logging.banzaicloud.io
root@devops248:~/logging#

root@devops248:~/logging# k apply -f syslogng-cluster-output.yaml
Error from server (BadRequest): error when creating "syslogng-cluster-output.yaml": SyslogNGClusterOutput in version "v1beta1" cannot be handled as a SyslogNGClusterOutput: strict decoding error: unknown field "spec.loki"
root@devops248:~/logging#

root@devops248:~/logging# cat syslogng-cluster-output.yaml
apiVersion: logging.banzaicloud.io/v1beta1
kind: SyslogNGClusterOutput
metadata:
 name: loki-output
 namespace: logging
spec:
  loki:
    url: "https://devops249.ef.com/"
    labels:
      "app_kubernetes_io_name": "${json#kubernetes#labels#app.kubernetes.io/name}"
      "app_kubernetes_io_instance": "${json#kubernetes#labels#app.kubernetes.io/instance}"
      "app_kubernetes_io_component": "${json#kubernetes#labels#app.kubernetes.io/component}"
      "namespace_name": ${json#kubernetes#namespace_name}
      "pod_name": ${json#kubernetes#pod_name}
    timestamp: "msg"
    template: "$ISODATE $HOST $MSGHDR$MSG"
    auth:
      insecure: {}
    buffer:
      timekey: 1m
      timekey_wait: 30s
      timekey_use_utc: true

root@devops248:~/logging#