Configure fluentd 0.12 config to accept logs via HTTP inputs

fluentd-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-es-config
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
    k8s-app: fluentd-es
    kubernetes.io/minikube-addons: efk
data:
  containers.input.conf: >-
    # CRI Log Example:

    # 2016-02-17T00:04:05.931087621Z stdout [info:2016-02-16T16:04:05.930-08:00]
    Some log text here

    <source>
      type tail
      path /var/log/containers/*.log
      pos_file /var/log/es-containers.log.pos
      time_format %Y-%m-%dT%H:%M:%S.%NZ
      tag kubernetes.*
      read_from_head true
      format multi_format
      <pattern>
        format json
        time_key time
        time_format %Y-%m-%dT%H:%M:%S.%NZ
      </pattern>
      <pattern>
        format /^(?<time>.+)\b(?<stream>stdout|stderr)\b(?<log>.*)$/
        time_format %Y-%m-%dT%H:%M:%S.%N%:z
      </pattern>
    </source>
  forward.input.conf: |-
    # Takes the messages sent over TCP
    <source>
      type forward
    </source>
  monitoring.conf: |-
    # Prometheus Exporter Plugin
    # input plugin that exports metrics
    <source>
      @type prometheus
    </source>

    <source>
      @type monitor_agent
    </source>

    # input plugin that collects metrics from MonitorAgent
    <source>
      @type prometheus_monitor
      <labels>
        host ${hostname}
      </labels>
    </source>

    # input plugin that collects metrics for output plugin
    <source>
      @type prometheus_output_monitor
      <labels>
        host ${hostname}
      </labels>
    </source>

    # input plugin that collects metrics for in_tail plugin
    <source>
      @type prometheus_tail_monitor
      <labels>
        host ${hostname}
      </labels>
    </source>
  output.conf: |-
    # Enriches records with Kubernetes metadata
    <filter kubernetes.**>
      type kubernetes_metadata
    </filter>

    <match **>
       type elasticsearch
       log_level info
       include_tag_key true
       host elasticsearch-logging
       port 9200
       logstash_format true
       # Set the chunk limits.
       buffer_chunk_limit 2M
       buffer_queue_limit 8
       flush_interval 5s
       # Never wait longer than 5 minutes between retries.
       max_retry_wait 30
       # Disable the limit on the number of retries (retry forever).
       disable_retry_limit
       # Use multiple threads for processing.
       num_threads 2
    </match>
  system.input.conf: >-
    # Example:

    # 2015-12-21 23:17:22,066 [salt.state       ][INFO    ] Completed state
    [net.ipv4.ip_forward] at time 23:17:22.066081

    <source>
      type tail
      format /^(?<time>[^ ]* [^ ,]*)[^\[]*\[[^\]]*\]\[(?<severity>[^ \]]*) *\] (?<message>.*)$/
      time_format %Y-%m-%d %H:%M:%S
      path /var/log/salt/minion
      pos_file /var/log/es-salt.pos
      tag salt
    </source>


    # Example:

    # Dec 21 23:17:22 gke-foo-1-1-4b5cbd14-node-4eoj startupscript: Finished
    running startup script /var/run/google.startup.script

    <source>
      type tail
      format syslog
      path /var/log/startupscript.log
      pos_file /var/log/es-startupscript.log.pos
      tag startupscript
    </source>


    # Examples:

    # time="2016-02-04T06:51:03.053580605Z" level=info msg="GET
    /containers/json"

    # time="2016-02-04T07:53:57.505612354Z" level=error msg="HTTP Error" err="No
    such image: -f" statusCode=404

    <source>
      type tail
      format /^time="(?<time>[^)]*)" level=(?<severity>[^ ]*) msg="(?<message>[^"]*)"( err="(?<error>[^"]*)")?( statusCode=($<status_code>\d+))?/
      path /var/log/docker.log
      pos_file /var/log/es-docker.log.pos
      tag docker
    </source>


    # Example:

    # 2016/02/04 06:52:38 filePurge: successfully removed file
    /var/etcd/data/member/wal/00000000000006d0-00000000010a23d1.wal

    <source>
      type tail
      # Not parsing this, because it doesn't have anything particularly useful to
      # parse out of it (like severities).
      format none
      path /var/log/etcd.log
      pos_file /var/log/es-etcd.log.pos
      tag etcd
    </source>


    # Multi-line parsing is required for all the kube logs because very large
    log

    # statements, such as those that include entire object bodies, get split
    into

    # multiple lines by klog.


    # Example:

    # I0204 07:32:30.020537    3368 server.go:1048] POST /stats/container/:
    (13.972191ms) 200 [[Go-http-client/1.1] 10.244.1.3:40537]

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/kubelet.log
      pos_file /var/log/es-kubelet.log.pos
      tag kubelet
    </source>


    # Example:

    # I1118 21:26:53.975789       6 proxier.go:1096] Port "nodePort for
    kube-system/default-http-backend:http" (:31429/tcp) was open before and is
    still needed

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/kube-proxy.log
      pos_file /var/log/es-kube-proxy.log.pos
      tag kube-proxy
    </source>


    # Example:

    # I0204 07:00:19.604280       5 handlers.go:131] GET /api/v1/nodes:
    (1.624207ms) 200 [[kube-controller-manager/v1.1.3 (linux/amd64)
    kubernetes/6a81b50] 127.0.0.1:38266]

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/kube-apiserver.log
      pos_file /var/log/es-kube-apiserver.log.pos
      tag kube-apiserver
    </source>


    # Example:

    # I0204 06:55:31.872680       5 servicecontroller.go:277] LB already exists
    and doesn't need update for service kube-system/kube-ui

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/kube-controller-manager.log
      pos_file /var/log/es-kube-controller-manager.log.pos
      tag kube-controller-manager
    </source>


    # Example:

    # W0204 06:49:18.239674       7 reflector.go:245]
    pkg/scheduler/factory/factory.go:193: watch of *api.Service ended with: 401:
    The event in requested index is outdated and cleared (the requested history
    has been cleared [2578313/2577886]) [2579312]

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/kube-scheduler.log
      pos_file /var/log/es-kube-scheduler.log.pos
      tag kube-scheduler
    </source>


    # Example:

    # I1104 10:36:20.242766       5 rescheduler.go:73] Running Rescheduler

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/rescheduler.log
      pos_file /var/log/es-rescheduler.log.pos
      tag rescheduler
    </source>


    # Example:

    # I0603 15:31:05.793605       6 cluster_manager.go:230] Reading config from
    path /etc/gce.conf

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/glbc.log
      pos_file /var/log/es-glbc.log.pos
      tag glbc
    </source>


    # Example:

    # I0603 15:31:05.793605       6 cluster_manager.go:230] Reading config from
    path /etc/gce.conf

    <source>
      type tail
      format multiline
      multiline_flush_interval 5s
      format_firstline /^\w\d{4}/
      format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
      time_format %m%d %H:%M:%S.%N
      path /var/log/cluster-autoscaler.log
      pos_file /var/log/es-cluster-autoscaler.log.pos
      tag cluster-autoscaler
    </source>


    # Logs from systemd-journal for interesting services.

    <source>
      type systemd
      filters [{ "_SYSTEMD_UNIT": "docker.service" }]
      pos_file /var/log/gcp-journald-docker.pos
      read_from_head true
      tag docker
    </source>


    <source>
      type systemd
      filters [{ "_SYSTEMD_UNIT": "kubelet.service" }]
      pos_file /var/log/gcp-journald-kubelet.pos
      read_from_head true
      tag kubelet
    </source>


    <source>
      type systemd
      filters [{ "_SYSTEMD_UNIT": "node-problem-detector.service" }]
      pos_file /var/log/gcp-journald-node-problem-detector.pos
      read_from_head true
      tag node-problem-detector
    </source>
    
    <source>
      @type http
      port 8424
      bind 0.0.0.0
      body_size_limit 32m
      keepalive_timeout 10s
    </source>