apiVersion: v1
kind: ConfigMap
metadata:
  name: fluent-bit-config
  namespace: logging
  labels:
    k8s-app: fluent-bit
data:
  # Configuration files: server, input, filters and output
  # ======================================================
  fluent-bit.conf: |
    [SERVICE]
        Flush         1
        Log_Level     info
        Daemon        off
        Parsers_File  parsers.conf
        HTTP_Server   On
        HTTP_Listen   0.0.0.0
        HTTP_Port     2020

    @INCLUDE input-kubernetes.conf
    @INCLUDE filter-kubernetes.conf
    @INCLUDE output-cloudwatch.conf

  input-kubernetes.conf: |
    [INPUT]
        Name              tail
        Tag               kube.*
        Path              /var/log/containers/*.log
        Parser            docker
        DB                /var/log/flb_kube.db
        Mem_Buf_Limit     5MB
        Skip_Long_Lines   On
        Refresh_Interval  10

  filter-kubernetes.conf: |
    [FILTER]
        Name                kubernetes
        Match               kube.*
        Kube_URL            https://kubernetes.default.svc.cluster.local:443
        Merge_Log           On
        K8S-Logging.Parser  On
        Merge_Log_Key       log_processed
        K8S-Logging.Exclude On

  output-cloudwatch.conf: |
    [OUTPUT]
        Name            cloudwatch
        Match           *
        region          us-east-1
        log_group_name  appmesh-firelens
        auto_create_group   true
        log_stream_prefix   appmesh-envoy-demo-

  parsers.conf: |
    [PARSER]
        Name   apache
        Format regex
        Regex  ^(?<host>[^ ]*) [^ ]* (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name   apache2
        Format regex
        Regex  ^(?<host>[^ ]*) [^ ]* (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^ ]*) +\S*)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>.*)")?$
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name   apache_error
        Format regex
        Regex  ^\[[^ ]* (?<time>[^\]]*)\] \[(?<level>[^\]]*)\](?: \[pid (?<pid>[^\]]*)\])?( \[client (?<client>[^\]]*)\])? (?<message>.*)$

    [PARSER]
        Name   nginx
        Format regex
        Regex ^(?<remote>[^ ]*) (?<host>[^ ]*) (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name        k8s-nginx-ingress
        Format      regex
        Regex       ^(?<host>[^ ]*) - \[(?<real_ip>[^ ]*)\] - (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)?" (?<code>[^ ]*) (?<size>[^ ]*) "(?<referer>[^\"]*)" "(?<agent>[^\"]*)" (?<request_length>[^ ]*) (?<request_time>[^ ]*) \[(?<proxy_upstream_name>[^ ]*)\] (?<upstream_addr>[^ ]*) (?<upstream_response_length>[^ ]*) (?<upstream_response_time>[^ ]*) (?<upstream_status>[^ ]*) (?<last>[^$]*)
        Time_Key    time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name   json
        Format json
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name         docker
        Format       json
        Time_Key     time
        Time_Format  %Y-%m-%dT%H:%M:%S.%L
        Time_Keep    On
        # --
        # Since Fluent Bit v1.2, if you are parsing Docker logs and using
        # the Kubernetes filter, it's not longer required to decode the
        # 'log' key.
        #
        # Command      |  Decoder | Field | Optional Action
        # =============|==================|=================
        #Decode_Field_As    json     log

    [PARSER]
        Name        docker-daemon
        Format      regex
        Regex       time="(?<time>[^ ]*)" level=(?<level>[^ ]*) msg="(?<msg>[^ ].*)"
        Time_Key    time
        Time_Format %Y-%m-%dT%H:%M:%S.%L
        Time_Keep   On

    [PARSER]
        Name        syslog-rfc5424
        Format      regex
        Regex       ^\<(?<pri>[0-9]{1,5})\>1 (?<time>[^ ]+) (?<host>[^ ]+) (?<ident>[^ ]+) (?<pid>[-0-9]+) (?<msgid>[^ ]+) (?<extradata>(\[(.*)\]|-)) (?<message>.+)$
        Time_Key    time
        Time_Format %Y-%m-%dT%H:%M:%S.%L
        Time_Keep   On

    [PARSER]
        Name        syslog-rfc3164-local
        Format      regex
        Regex       ^\<(?<pri>[0-9]+)\>(?<time>[^ ]* {1,2}[^ ]* [^ ]*) (?<ident>[a-zA-Z0-9_\/\.\-]*)(?:\[(?<pid>[0-9]+)\])?(?:[^\:]*\:)? *(?<message>.*)$
        Time_Key    time
        Time_Format %b %d %H:%M:%S
        Time_Keep   On

    [PARSER]
        Name        syslog-rfc3164
        Format      regex
        Regex       /^\<(?<pri>[0-9]+)\>(?<time>[^ ]* {1,2}[^ ]* [^ ]*) (?<host>[^ ]*) (?<ident>[a-zA-Z0-9_\/\.\-]*)(?:\[(?<pid>[0-9]+)\])?(?:[^\:]*\:)? *(?<message>.*)$/
        Time_Key    time
        Time_Format %b %d %H:%M:%S
        Time_Format %Y-%m-%dT%H:%M:%S.%L
        Time_Keep   On

    [PARSER]
        Name    mongodb
        Format  regex
        Regex   ^(?<time>[^ ]*)\s+(?<severity>\w)\s+(?<component>[^ ]+)\s+\[(?<context>[^\]]+)]\s+(?<message>.*?) *(?<ms>(\d+))?(:?ms)?$
        Time_Format %Y-%m-%dT%H:%M:%S.%L
        Time_Keep   On
        Time_Key time

    [PARSER]
        Name    envoy
        Format  regex
        Regex ^\[(?<start_time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)? (?<protocol>\S+)" (?<code>[^ ]*) (?<response_flags>[^ ]*) (?<bytes_received>[^ ]*) (?<bytes_sent>[^ ]*) (?<duration>[^ ]*) (?<x_envoy_upstream_service_time>[^ ]*) "(?<x_forwarded_for>[^ ]*)" "(?<user_agent>[^\"]*)" "(?<request_id>[^\"]*)" "(?<authority>[^ ]*)" "(?<upstream_host>[^ ]*)"  
        Time_Format %Y-%m-%dT%H:%M:%S.%L%z
        Time_Keep   On
        Time_Key start_time

    [PARSER]
        # http://rubular.com/r/tjUt3Awgg4
        Name cri
        Format regex
        Regex ^(?<time>[^ ]+) (?<stream>stdout|stderr) (?<logtag>[^ ]*) (?<message>.*)$
        Time_Key    time
        Time_Format %Y-%m-%dT%H:%M:%S.%L%z

    [PARSER]
        Name    kube-custom
        Format  regex
        Regex   (?<tag>[^.]+)?\.?(?<pod_name>[a-z0-9](?:[-a-z0-9]*[a-z0-9])?(?:\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*)_(?<namespace_name>[^_]+)_(?<container_name>.+)-(?<docker_id>[a-z0-9]{64})\.log$
