Getting systemd-journal logs but not instance log of ec2 even by following the tutorial

I followed this tutorial EC2 | Grafana Labs
my config is as it was given. My data source connects and show systemd-journal logs but not the instance logs so basically I assume this config is not working… What could be the problem?

 job_name: ec2-logs
      - region: us-east-2
        access_key: added my access key
        secret_key: and secret
      - source_labels: [__meta_ec2_tag_Name]
        target_label: name
        action: replace
      - source_labels: [__meta_ec2_instance_id]
        target_label: instance
        action: replace
      - source_labels: [__meta_ec2_availability_zone]
        target_label: zone
        action: replace
      - action: replace
        replacement: /var/log/**.log
        target_label: __path__
      - source_labels: [__meta_ec2_private_dns_name]
        regex: "(.*)"
        target_label: __host__