# Copyright © 2018  AT&T, Amdocs, Bell Canada Intellectual Property.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
input {
 beats {

 ## Add a id to plugin configuration. Can be anything unique.
 id => 'beats_plugin'

 ######## Connection configurations ########

 ## The port to listen on.
 port => {{.Values.service.externalPort}}

 ## Close Idle clients after the specified time in seconds. Default is 60 seconds
 #client_inactivity_timeout => 60

 ######## Security configurations ########

 ## Enable encryption. Default false.
 #ssl => $filebeat_ssl

 ## ssl certificate path.
 #ssl_certificate => $filebeat_ssl_certificate

 ## SSL key to use.
 #ssl_key => $filebeat_ssl_key

 ##SSL key passphrase to use.
 #ssl_key_passphrase => $filebeat_ssl_key_passphrase

 ## Value can be any of: none, peer, force_peer.
 #ssl_verify_mode => $filebeat_ssl_verify_mode

 ## Time in milliseconds for an incomplete ssl handshake to timeout. Default is 10000 ms.
 #ssl_handshake_timeout => 10000
 include_codec_tag => false
 }
}


filter {
  grok {
    break_on_match => false
    match => {
      "source" => ["/var/log/onap/(?<componentName>[^/]+)/",
                   "/var/log/onap/%{GREEDYDATA:componentLogFile}"
                  ]
    }
  }

 # Filter for log4j xml events
 if "</log4j:event>" in [message] {

   #mutate { add_field => { "orgmsg_log4j" => "%{message}" } }    # Copy of orginal msg for debug

   #Filter to parse xml event and retrieve data
   xml {
     source => "message"
     store_xml => false
     remove_namespaces => true
     target => "xml_content"
     xpath => [ "/event/message/text()", "logmsg" ,
                "/event/@logger", "Logger",
                "/event/@timestamp", "Timestamp",
                "/event/@level", "loglevel",
                "/event/@thread", "Thread",
                "/event/throwable/text()", "Exceptionthrowable",
                "/event/NDC/text()", "NDCs",
                "/event/properties/data/@name","mdcname",
                "/event/properties/data/@value","mdcvalue"]

    }

   #Ruby filter to iterate and separate MDCs into documents
   ruby {
     code => '
       $i = 0
       $num = 0
       if event.get("[mdcname]")
         $num = event.get("[mdcname]").length
       end
	   if $num != 0
        until $i > $num do
         if event.get("[mdcname]").at($i) and event.get("[mdcvalue]").at($i)
            event.set(event.get("[mdcname]").at($i), event.get("[mdcvalue]").at($i))
         end
         $i=$i+1
        end
	   end
          '
    }

   #Validations
   if [Exceptionthrowable]
   {
      mutate {
        replace => {
           "exceptionmessage" => "%{[Exceptionthrowable]}"
        }
      }
    }

   if [NDCs]
   {
      mutate {
        replace => {
          "NDC" => "%{[NDCs]}"
        }
      }
   }

   mutate {
     replace => {
        "Logger" =>"%{[Logger]}"
        "logmsg" =>"%{[logmsg]}"
        "Timestamp" =>"%{[Timestamp]}"
        "loglevel" =>"%{[loglevel]}"
        "message" => "%{logmsg}"
        "Thread" => "%{[Thread]}"
     }
     remove_field => ["mdcname", "mdcvalue", "logmsg","Exceptionthrowable","NDCs"]
   }

   if [Timestamp]
   {
     date {
        match => ["Timestamp", "UNIX_MS"]
        target => "Timestamp"
     }
   }
 }
 # Filter for logback events
 else {

  #mutate { add_field => { "orgmsg" => "%{message}" } }    # Copy of orginal msg for debug

  mutate {
    gsub => [
      'message', ' = ', '=',
      'message', '= ', '=null',
      'message', '=\t', '=null	', #This null is followed by a tab
      'message', '\t$', '\t'
    ]
  }
  # The grok below parses the message field for all current logback patterns used by oom components.
  # Example logback pattern: %d{&quot;yyyy-MM-dd'T'HH:mm:ss.SSSXXX&quot;, UTC}|%X{RequestId}|%msg
  # Example grok pattern:    %{TIMESTAMP_ISO8601:Timestamp}\|%{UUID:RequestId}\|%{GREEDYDATA:message}
  # Use the following command to find all logback patterns in oom directory: find oom -name "logback*xml" -exec grep "property.*attern.*value" {} \;|sort|uniq
  grok {
    match => {
      "message" => [
                    "%{TIMESTAMP_ISO8601:Timestamp}\\t[%{GREEDYDATA:Thread}]\\t%{GREEDYDATA:loglevel}\\t%{JAVACLASS:Logger}\\t%{GREEDYDATA:MDCs}\\t%{GREEDYDATA:message}",
                    "%{TIMESTAMP_ISO8601:BeginTimestamp}\|%{TIMESTAMP_ISO8601:EndTimestamp}\|%{UUID:RequestId}\|%{GREEDYDATA:ServiceInstanceId}\|%{GREEDYDATA:Thread}\|%{GREEDYDATA:Unknown1}\|%{GREEDYDATA:ServiceName}\|%{GREEDYDATA:PartnerName}\|%{GREEDYDATA:TargetEntity}\|%{GREEDYDATA:TargetServiceName}\|%{GREEDYDATA:StatusCode}\|%{GREEDYDATA:ResponseCode}\|%{GREEDYDATA:ResponseDesc}\|%{UUID:InstanceUUID}\|%{GREEDYDATA:loglevel}\|%{GREEDYDATA:AlertSeverity}\|%{IP:ServerIPAddress}\|%{GREEDYDATA:Timer}\|%{HOSTNAME:ServerFQDN}\|%{IPORHOST:RemoteHost}\|%{GREEDYDATA:Unknown2}\|%{GREEDYDATA:Unknown3}\|%{GREEDYDATA:Unknown4}\|%{GREEDYDATA:TargetVirtualEntity}\|%{GREEDYDATA:Unknown5}\|%{GREEDYDATA:Unknown6}\|%{GREEDYDATA:Unknown7}\|%{GREEDYDATA:Unknown8}\|%{GREEDYDATA:message}",
                    "%{TIMESTAMP_ISO8601:BeginTimestamp}\|%{TIMESTAMP_ISO8601:EndTimestamp}\|%{UUID:RequestId}\|%{GREEDYDATA:ServiceInstanceId}\|%{GREEDYDATA:Thread}\|%{GREEDYDATA:Unknown1}\|%{GREEDYDATA:ServiceName}\|%{GREEDYDATA:PartnerName}\|%{GREEDYDATA:StatusCode}\|%{GREEDYDATA:ResponseCode}\|%{GREEDYDATA:ResponseDesc}\|%{UUID:InstanceUUID}\|%{GREEDYDATA:loglevel}\|%{GREEDYDATA:AlertSeverity}\|%{IP:ServerIPAddress}\|%{GREEDYDATA:Timer}\|%{HOSTNAME:ServerFQDN}\|%{IPORHOST:RemoteHost}\|%{GREEDYDATA:Unknown2}\|%{GREEDYDATA:Unknown3}\|%{GREEDYDATA:Unknown4}\|%{GREEDYDATA:Unknown5}\|%{GREEDYDATA:Unknown6}\|%{GREEDYDATA:Unknown7}\|%{GREEDYDATA:Unknown8}\|%{GREEDYDATA:message}",
                    "%{TIMESTAMP_ISO8601:Timestamp}\|%{UUID:RequestId}\|%{GREEDYDATA:ServiceInstanceId}\|%{GREEDYDATA:Thread}\|%{GREEDYDATA:ServiceName}\|%{UUID:InstanceUUID}\|%{GREEDYDATA:loglevel}\|%{GREEDYDATA:AlertSeverity}\|%{IP:ServerIPAddress}\|%{HOSTNAME:ServerFQDN}\|%{IPORHOST:RemoteHost}\|%{GREEDYDATA:Timer}\|\[%{GREEDYDATA:caller}\]\|%{GREEDYDATA:message}",
                    "%{TIMESTAMP_ISO8601:Timestamp}\|%{GREEDYDATA:RequestId}\|%{GREEDYDATA:Thread}\|%{GREEDYDATA:ServiceName}\|%{GREEDYDATA:PartnerName}\|%{GREEDYDATA:TargetEntity}\|%{GREEDYDATA:TargetServiceName}\|%{GREEDYDATA:loglevel}\|%{GREEDYDATA:ErrorCode}\|%{GREEDYDATA:ErrorDesc}\|%{GREEDYDATA:message}",
                    "%{TIMESTAMP_ISO8601:Timestamp}\|%{GREEDYDATA:RequestId}\|%{GREEDYDATA:Thread}\|%{GREEDYDATA:ClassName}\|%{GREEDYDATA:message}",
                    "%{TIMESTAMP_ISO8601:Timestamp}\|%{UUID:RequestId}\|%{GREEDYDATA:message}",
                    "\[%{TIMESTAMP_ISO8601:Timestamp}\|%{LOGLEVEL:loglevel}\|%{GREEDYDATA:Logger}\|%{GREEDYDATA:Thread}\] %{GREEDYDATA:message}"
      ]
    }
    overwrite => ["message"]
  }
  # The MDCs are key value pairs that are seperated by "," or "\t". Extra space characters are trimmed from the keys and values.
  kv {
    source => "MDCs"
    field_split => ",\t"
    trim_key => "\s"
    trim_value => "\s"
    remove_field => [ "MDCs" ]
  }

  if (![Timestamp] and [EndTimestamp]) {
    mutate { add_field => { "Timestamp" => "%{EndTimestamp}" } }
  }
  date {
    match => [ "Timestamp", "ISO8601", "yyyy-MM-dd HH:mm:ss,SSS" ]
    target => "Timestamp"
  }

  mutate {
    remove_field => ["DuplicateRequestID", "Unknown1", "Unknown2", "Unknown3", "Unknown4", "Unknown5", "Unknown6", "Unknown7", "Unknown8"]
  }

  if ([source] == "/var/log/onap/sdc/sdc-be/audit.log") {
    #Parse kvps in message
    kv {
      field_split => "\s"
      trim_key => "\s"
      trim_value => "\s"
    }

    #If Request Id is missing and DID is present use as RequestId
    if (![RequestId] and [DID] =~ /.+/) {
      mutate { add_field => { "RequestId" => "%{DID}" } }
    }
  }

 } #Close else statement for logback events
} #Close filter


output {
 elasticsearch {
 id => 'onap_es'

 ######### Security configurations #########

 user => "elastic"
 password => "changeme"

 ## The .cer or .pem file to validate the server's certificate
 #cacert => $es_cacert

 ## The keystore used to present a certificate to the server. It can be either .jks or .p12
 #keystore => $es_keystore
 #keystore_password => $es_keystore_password

 ## Enable SSL/TLS secured communication to Elasticsearch cluster.
 ## Default is not set which in that case depends on the protocol specidfied in hosts list
 #ssl => $es_ssl

 ## Option to validate the server's certificate. Default is true
 #ssl_certificate_verification => $es_ssl_certificate_verification

 ## The JKS truststore to validate the server's certificate.
 #truststore => $es_truststore
 #truststore_password => $es_truststore_password


 ######### Elasticsearchcluster and host configurations #########

 ##can specify one or a list of hosts. If sniffing is set, one is enough and others will be auto-discovered
 hosts => ["http://{{.Values.config.elasticsearchServiceName}}.{{.Release.Namespace}}:{{.Values.config.elasticsearchPort}}"]


 ## This setting asks Elasticsearch for the list of all cluster nodes and adds them to the hosts list. Default is false.
 sniffing => true

 ## How long to wait, in seconds, between sniffing attempts. Default is 5 seconds.
 #sniffing_delay => 5

 ## Set the address of a forward HTTP proxy.
 #proxy => $es_proxy

 ##Use this if you must run Elasticsearch behind a proxy that remaps the root path for the Elasticsearch HTTP API lives
 #path => $es_path

 ######### Elasticsearch request configurations #########

 ## This setting defines the maximum sized bulk request Logstash will make.
 #flush_size => ?

 ######### Document configurations #########

 index => "logstash-%{+YYYY.MM.dd}"
 document_type => "logs"

 ## This can be used to associate child documents with a parent using the parent ID.
 #parent => "abcd'
 }
}