[Functionbeat] Logstash output not uploading logs

Hello,

I'm trying to configure the logstash output on Functionbeat 1.14.0, I found this thread saying this is not supported, however it's two years old and the docs don't mention it:

The lambda was setup with .\functionbeat.exe -v -e -d "*" deploy cloudwatch and was triggered a couple times (then stopped). Regardless, it seems to time out and not upload to logstash. The lambda logs have this loop:

START RequestId: baf51572-de24-4b32-9421-4610bf831000 Version: $LATEST
2021-08-25T16:10:30.444Z	INFO	instance/beat.go:665	Home path: [C:\Program Files\functionbeat-7.14.0-windows-x86_64] Config path: [C:\Program Files\functionbeat-7.14.0-windows-x86_64] Data path: [/tmp] Logs path: [/tmp/logs]
2021-08-25T16:10:30.446Z	INFO	instance/beat.go:673	Beat ID: 4378232e-e2bc-4b36-b84e-30aae048ae34
2021-08-25T16:10:30.446Z	INFO	[seccomp]	seccomp/seccomp.go:101	Syscall filter could not be installed because the kernel does not support seccomp
2021-08-25T16:10:30.450Z	INFO	[beat]	instance/beat.go:1014	Beat info	
{
    "system_info": {
        "beat": {
            "path": {
                "config": "C:\\Program Files\\functionbeat-7.14.0-windows-x86_64",
                "data": "/tmp",
                "home": "C:\\Program Files\\functionbeat-7.14.0-windows-x86_64",
                "logs": "/tmp/logs"
            },
            "type": "functionbeat",
            "uuid": "4378232e-e2bc-4b36-b84e-30aae048ae34"
        }
    }
}

2021-08-25T16:10:30.450Z	INFO	[beat]	instance/beat.go:1023	Build info	
{
    "system_info": {
        "build": {
            "commit": "e127fc31fc6c00fdf8649808f9421d8f8c28b5db",
            "libbeat": "7.14.0",
            "time": "2021-07-29T20:21:22.000Z",
            "version": "7.14.0"
        }
    }
}

2021-08-25T16:10:30.450Z	INFO	[beat]	instance/beat.go:1026	Go runtime info	
{
    "system_info": {
        "go": {
            "os": "linux",
            "arch": "amd64",
            "max_procs": 2,
            "version": "go1.16.6"
        }
    }
}

2021-08-25T16:10:30.450Z	INFO	[beat]	instance/beat.go:1030	Host info	
{
    "system_info": {
        "host": {
            "architecture": "x86_64",
            "boot_time": "2021-08-25T15:53:45Z",
            "containerized": true,
            "name": "169.254.130.53",
            "ip": [
                "127.0.0.1/8",
                "169.254.79.1/32",
                "169.254.79.130/30",
                "169.254.76.1/23"
            ],
            "kernel_version": "4.14.231-180.360.amzn2.x86_64",
            "mac": [
                "5e:65:db:1c:2f:9c",
                "8e:2e:87:0c:88:24",
                "8a:81:f8:c4:0b:3e"
            ],
            "os": {
                "type": "linux",
                "family": "redhat",
                "platform": "amzn",
                "name": "Amazon Linux AMI",
                "version": "2018.03",
                "major": 2018,
                "minor": 3,
                "patch": 0
            },
            "timezone": "UTC",
            "timezone_offset_sec": 0
        }
    }
}

2021-08-25T16:10:30.451Z	INFO	[beat]	instance/beat.go:1059	Process info	
{
    "system_info": {
        "process": {
            "capabilities": {
                "inheritable": null,
                "permitted": null,
                "effective": null,
                "bounding": [
                    "chown",
                    "dac_override",
                    "dac_read_search",
                    "fowner",
                    "fsetid",
                    "kill",
                    "setgid",
                    "setuid",
                    "setpcap",
                    "linux_immutable",
                    "net_bind_service",
                    "net_broadcast",
                    "net_admin",
                    "net_raw",
                    "ipc_lock",
                    "ipc_owner",
                    "sys_module",
                    "sys_rawio",
                    "sys_chroot",
                    "sys_ptrace",
                    "sys_pacct",
                    "sys_admin",
                    "sys_boot",
                    "sys_nice",
                    "sys_resource",
                    "sys_time",
                    "sys_tty_config",
                    "mknod",
                    "lease",
                    "audit_write",
                    "audit_control",
                    "setfcap",
                    "mac_override",
                    "mac_admin",
                    "syslog",
                    "wake_alarm",
                    "block_suspend",
                    "audit_read"
                ],
                "ambient": null
            },
            "cwd": "/var/task",
            "exe": "/var/task/functionbeat-aws",
            "name": "functionbeat-aw",
            "pid": 7,
            "ppid": 1,
            "seccomp": {
                "mode": "filter",
                "no_new_privs": true
            },
            "start_time": "2021-08-25T16:10:29.750Z"
        }
    }
}

2021-08-25T16:10:30.451Z	INFO	instance/beat.go:309	Setup Beat: functionbeat; Version: 7.14.0
2021-08-25T16:10:30.451Z	INFO	[publisher]	pipeline/module.go:113	Beat name: 169.254.130.53
2021-08-25T16:10:30.451Z	INFO	[monitoring]	log/log.go:118	Starting metrics logging every 30s
2021-08-25T16:10:30.451Z	INFO	instance/beat.go:473	functionbeat start running.
2021-08-25T16:10:30.451Z	INFO	[functionbeat]	beater/functionbeat.go:93	Functionbeat is running
2021-08-25T16:10:30.451Z	INFO	[functionbeat]	beater/functionbeat.go:99	Functionbeat is configuring enabled functions: cloudwatch
2021-08-25T16:10:30.452Z	INFO	[coordinator.Coordinator]	core/coordinator.go:86	The function 'cloudwatch_logs' is starting
2021-08-25T16:10:31.469Z	INFO	[add_cloud_metadata]	add_cloud_metadata/add_cloud_metadata.go:101	add_cloud_metadata: hosting provider type not detected.
2021-08-25T16:10:31.469Z	INFO	[publisher_pipeline_output]	pipeline/output.go:143	Connecting to backoff(tcp://x.x.x.x:5044)
2021-08-25T16:10:31.470Z	INFO	[publisher]	pipeline/retry.go:219	retryer: send unwait signal to consumer
2021-08-25T16:10:31.470Z	INFO	[publisher]	pipeline/retry.go:223	  done
END RequestId: baf51572-de24-4b32-9421-4610bf831000
REPORT RequestId: baf51572-de24-4b32-9421-4610bf831000	Duration: 3000.53 ms	Billed Duration: 3000 ms	Memory Size: 128 MB	Max Memory Used: 127 MB	Init Duration: 600.67 ms	
2021-08-25T16:10:33.456Z baf51572-de24-4b32-9421-4610bf831000 Task timed out after 3.00 seconds

2021-08-25T16:10:34.689Z	INFO	instance/beat.go:665	Home path: [C:\Program Files\functionbeat-7.14.0-windows-x86_64] Config path: [C:\Program Files\functionbeat-7.14.0-windows-x86_64] Data path: [/tmp] Logs path: [/tmp/logs]
2021-08-25T16:10:34.690Z	INFO	instance/beat.go:673	Beat ID: 4378232e-e2bc-4b36-b84e-30aae048ae34

This is my config (I removed commented out and empty lines for shortness)

functionbeat.provider.aws.endpoint: "s3.amazonaws.com"
functionbeat.provider.aws.deploy_bucket: "events-functionbeat"
functionbeat.provider.aws.region: "eu-west-1"
functionbeat.provider.aws.functions:
  - name: cloudwatch
    enabled: true
    type: cloudwatch_logs
    description: "Functionbeat lambda function for uploading cloudwatch logs to logstash"
    region: "eu-west-1"
    triggers:
      - log_group_name: xxx
  - name: sqs
    enabled: false
    type: sqs
    description: "lambda function for SQS events"
    triggers:
      - event_source_arn: arn:aws:sqs:us-east-1:xxxxx:myevents
  - name: kinesis
    enabled: false
    type: kinesis
    description: "lambda function for Kinesis events"
    triggers:
      - event_source_arn: arn:aws:kinesis:us-east-1:xxxxx:myevents
  - name: cloudwatch-logs-kinesis
    enabled: false
    type: cloudwatch_logs_kinesis
    description: "lambda function for Cloudwatch logs in Kinesis events"
    triggers:
      - event_source_arn: arn:aws:kinesis:us-east-1:xxxxx:myevents
setup.template.settings:
  index.number_of_shards: 1
setup.kibana:
output.logstash:
  hosts: ["x.x.x.x:5044"]
    
processors:
  - add_host_metadata: ~
  - add_cloud_metadata: ~

Any help appreciated, thanks.

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