Filebeat Error creating runner from config: failed to initialize condition

[juliana_cg (Juliana)]

Hello,

Got Filebeat installed as a daemonset in Kubernetes cluster, to collect logs from different pods using hint autodiscovery. On filebeat logs we have plenty of errors of this type:

ERROR    [autodiscover]    cfgfile/list.go:99    Error creating runner from config: failed to initialize condition: missing or invalid condition

Sometimes we find we are not getting any logs from certain pods and there is no apparent reason. We wonder if this error could be the cause, could you explain the meaning of this error?
Our filebeat config looks like this:

data:
  filebeat.yml: |-
    filebeat.inputs:
    - type: log
      paths:
      - /var/log/kube-apiserver-audit.log
      fields:
        audit: true
      json:
        add_error_key: true
    - type: log
      paths:
      - /var/log/kube-apiserver.log
      - /var/log/kube-controller-manager.log
      - /var/log/kube-proxy.log
      - /var/log/kube-scheduler.log
      fields:
        system: true

    filebeat.autodiscover:
      providers:
      - type: kubernetes
        node: ${NODE_NAME}
        hints:
          enabled: true
          default_config.enabled: false
          default_config:
            type: container
            paths:
              - /var/log/containers/*-${data.kubernetes.container.id}.log
            close_inactive: 5m
        include_annotations:
        - elasticservice/cluster
        - elasticservice/index
        - elasticservice/pipeline
        add_resource_metadata:
          namespace:
            enabled: true

    logging:
      level: info
      metrics.enabled: false

    http:
      enabled: true
      host: localhost
      port: 5066

    processors:
    - drop_event:
        when:
          contains:
            kubernetes.namespace: "xxx"
    - drop_fields:
        when:
          has_fields: ['fields.audit']
        fields:
        - "json.requestObject.metadata.managedFields"
        - "json.responseObject.metadata.managedFields"
        ignore_missing: true
    - add_fields:
        target: ''
        fields:
          hosting:
            type: k8s
            name: elasticservice

    output.logstash:
      hosts:
      - logstash.elastic-prod.svc:5044

      pipelining: 0
      ttl: 2m
      worker: 4
      bulk_max_size: 2000
      slow_start: false