# Hide all fluent-related logs
<match fluent.**>
  type null
</match>

# Collect all logs from the containers in the current namespace
<source>
  type tail
  format json
  time_key time
  path "#{ENV['FLUENTD_PATH']}"
  time_format %Y-%m-%dT%H:%M:%S.%NZ
  tag fission.*
  read_from_head true
  refresh_interval 5
</source>

# Augment logs with Kubernetes metadata
<filter fission.**>
   type kubernetes_metadata
</filter>

# Simplify the nested objects to XX_YY_ZZ names
<filter fission.**>
   type flatten_hash
   separator _
</filter>

# Add `funcuid` to the record (using the functionUid label)
<match fission.**>
   type record_reformer
   enable_ruby false
   tag log
   <record>
     funcuid ${kubernetes_labels_functionUid}
   </record>
</match>

# Push logs into influxdb
<match **>
  @type influxdb
    host  "#{ENV['INFLUXDB_ADDRESS']}"
    port  "#{ENV['INFLUXDB_PORT']}"
    dbname "#{ENV['INFLUXDB_DBNAME']}"
    user  "#{ENV['INFLUXDB_USERNAME']}"
    password  "#{ENV['INFLUXDB_PASSWD']}"
    use_ssl false
    time_precision ns
    tag_keys ["funcuid"]
    sequence_tag _seq
    buffer_type file
    buffer_path /var/log/fission/fluentd.buffer
    buffer_chunk_limit 128m
    buffer_queue_limit 256
    flush_interval 5
    retry_limit 10
    retry_wait 1.0
    num_threads 2
</match>