[SERVICE]
    HTTP_Server  On
    HTTP_Listen  0.0.0.0
    HTTP_PORT    2020
    Parsers_File /fb_metrics_parser.conf
    storage.metrics On

# Configure FB to scrape its own prom metrics
[INPUT]
    Name exec
    Command curl -s http://127.0.0.1:2020/api/v1/metrics/prometheus
    Interval_Sec 30
    Tag fb_metrics

# Filter out everything except output metrics
# TODO:  REMOVE this filter if you want INPUT PLUGIN METRICS
[FILTER]
    Name grep
    Match fb_metrics
    Regex exec output

# Filter out the HELP and TYPE fields which aren't parseable by the cw metric filter
[FILTER]
    Name grep
    Match fb_metrics
    Exclude exec HELP

[FILTER]
    Name grep
    Match fb_metrics
    Exclude exec TYPE

# Parse the metrics to json for easy parsing in CW Log Group Metrics filter
[FILTER]
    Name parser
    Match fb_metrics
    Key_Name exec
    Parser fluentbit_prom_metrics_to_json
    Reserve_Data True


# Un-comment this section if you want storage metrics
# Unfortunately, Fluent Bit publishes storage metrics via
# a different HTTP path which vends metrics in JSON instead of Prometheus
# These metrics can be sent by the same output as the prom metrics
#[INPUT]
#    Name exec
#    Command curl -s http://127.0.0.1:2020/api/v1/storage && echo ""
#    Interval_Sec 5
#    Tag fb_metrics-storage

# Parse the JSON metrics
#[FILTER]
#    Name parser
#    Match fb_metrics-storage
#    Key_Name exec
#    Parser json

# Add hostname to metrics to identify them
# [FILTER]
#     Name record_modifier
#     Match *
#     Record hostname ${HOSTNAME}

# Send the metrics as CW Logs
# The CW Metrics filter on the log group will turn them into metrics
# Use hostname in logs to differentiate log streams per task in Fargate
# Alternative is to use: https://github.com/aws/amazon-cloudwatch-logs-for-fluent-bit#templating-log-group-and-stream-names
[OUTPUT]
    Name cloudwatch_logs
    Match   fb_metrics*
    region ${FLUENT_BIT_METRICS_LOG_REGION}
    log_group_name ${FLUENT_BIT_METRICS_LOG_GROUP}
    log_stream_name ${HOSTNAME}-fb-internal-metrics
    auto_create_group On
    retry_limit 2
    workers 1