Remove deprecated coredns fields for 8.0

CHANGELOG.next.asciidoc

@@ -89,6 +89,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Only filesets that are explicitly configured will be enabled. {issue}17256[17256] {pull}27526[27526]
 - All filesets are disabled in the default configuration. {issue}17256[17256] {pull}27762[27762]
 - Remove deprecated fields in Kafka module. {pull}27938[27938]
+- Remove deprecated fields in coredns module. {pull}28196[28196]
 
 *Heartbeat*
 

filebeat/docs/fields.asciidoc

@@ -27522,16 +27522,6 @@ coredns fields after normalization
 
 
 
-*`coredns.id`*::
-+
---
-id of the DNS transaction
-
-
-type: keyword
-
---
-
 *`coredns.query.size`*::
 +
 --
@@ -27544,56 +27534,6 @@ format: bytes
 
 --
 
-*`coredns.query.class`*::
-+
---
-DNS query class
-
-
-type: keyword
-
---
-
-*`coredns.query.name`*::
-+
---
-DNS query name
-
-
-type: keyword
-
---
-
-*`coredns.query.type`*::
-+
---
-DNS query type
-
-
-type: keyword
-
---
-
-*`coredns.response.code`*::
-+
---
-DNS response code
-
-
-type: keyword
-
---
-
-*`coredns.response.flags`*::
-+
---
-DNS response flags
-
-
-type: keyword
-
---
-
 *`coredns.response.size`*::
 +
 --
@@ -27606,16 +27546,6 @@ format: bytes
 
 --
 
-*`coredns.dnssec_ok`*::
-+
---
-dnssec flag
-
-
-type: boolean
-
---
-
 [[exported-fields-crowdstrike]]
 == Crowdstrike fields
 

x-pack/filebeat/module/coredns/_meta/fields.yml

@@ -8,50 +8,14 @@
       description: >
         coredns fields after normalization
       fields:
-      - name: id
-        type: keyword
-        description: >
-          id of the DNS transaction
-
       - name: query.size
         type: integer
         format: bytes
         description: >
           size of the DNS query
 
-      - name: query.class
-        type: keyword
-        description: >
-          DNS query class
-
-      - name: query.name
-        type: keyword
-        description: >
-          DNS query name
-
-      - name: query.type
-        type: keyword
-        description: >
-          DNS query type
-
-      - name: response.code
-        type: keyword
-        description: >
-          DNS response code
-
-      - name: response.flags
-        type: keyword
-        description: >
-          DNS response flags
-
       - name: response.size
         type: integer
         format: bytes
         description: >
           size of the DNS response
-
-      - name: dnssec_ok
-        type: boolean
-        description: >
-          dnssec flag
-

x-pack/filebeat/module/coredns/log/ingest/pipeline-entry.yml

@@ -71,35 +71,8 @@ processors:
   - remove:
       field:
         - coredns.duration
+        - coredns.dnssec_ok
       ignore_missing: true
-  # The following copies values from dns namespace (ECS) to the coredns
-  # namespace to avoid introducing breaking change. This should be removed
-  # for 8.0.0. Additionally coredns.dnssec_ok can be removed.
-  - set:
-      field: coredns.id
-      value: '{{dns.id}}'
-      ignore_empty_value: true
-  - set:
-      field: coredns.query.class
-      value: '{{dns.question.class}}'
-      ignore_empty_value: true
-  - set:
-      field: coredns.query.name
-      value: '{{dns.question.name}}'
-      ignore_empty_value: true
-  - set:
-      field: coredns.query.type
-      value: '{{dns.question.type}}'
-      ignore_empty_value: true
-  - set:
-      field: coredns.response.code
-      value: '{{dns.response_code}}'
-      ignore_empty_value: true
-  - script:
-      if: ctx.dns?.header_flags != null
-      lang: painless
-      source: >
-        ctx.coredns.response.flags = ctx.dns.header_flags;
   # Right trim the trailing dot from domain names.
   - script:
       if: ctx.dns?.question?.name != null

x-pack/filebeat/module/coredns/log/test/coredns-json.log-expected.json

@@ -1,18 +1,7 @@
 [
     {
         "@timestamp": "2019-02-12T00:27:28.903Z",
-        "coredns.dnssec_ok": false,
-        "coredns.id": "21583",
-        "coredns.query.class": "IN",
-        "coredns.query.name": "httpbin.org.cluster.local.",
         "coredns.query.size": 43,
-        "coredns.query.type": "A",
-        "coredns.response.code": "NXDOMAIN",
-        "coredns.response.flags": [
-            "QR",
-            "RA",
-            "RD"
-        ],
         "coredns.response.size": 136,
         "dns.header_flags": [
             "QR",
@@ -64,18 +53,7 @@
     },
     {
         "@timestamp": "2019-03-19T02:57:23.213Z",
-        "coredns.dnssec_ok": false,
-        "coredns.id": "6966",
-        "coredns.query.class": "IN",
-        "coredns.query.name": "httpbin.org.",
         "coredns.query.size": 29,
-        "coredns.query.type": "A",
-        "coredns.response.code": "NOERROR",
-        "coredns.response.flags": [
-            "QR",
-            "RA",
-            "RD"
-        ],
         "coredns.response.size": 83,
         "dns.header_flags": [
             "QR",
@@ -127,18 +105,7 @@
     },
     {
         "@timestamp": "2019-03-11T07:16:34.013Z",
-        "coredns.dnssec_ok": false,
-        "coredns.id": "62762",
-        "coredns.query.class": "IN",
-        "coredns.query.name": "czbaoyu.com.",
         "coredns.query.size": 29,
-        "coredns.query.type": "AAAA",
-        "coredns.response.code": "NOERROR",
-        "coredns.response.flags": [
-            "QR",
-            "RA",
-            "RD"
-        ],
         "coredns.response.size": 100,
         "dns.header_flags": [
             "QR",

x-pack/filebeat/module/coredns/log/test/coredns.log-expected.json

@@ -1,18 +1,7 @@
 [
     {
         "@timestamp": "2019-03-06T08:55:28.903Z",
-        "coredns.dnssec_ok": false,
-        "coredns.id": "21583",
-        "coredns.query.class": "IN",
-        "coredns.query.name": "httpbin.org.cluster.local.",
         "coredns.query.size": 43,
-        "coredns.query.type": "A",
-        "coredns.response.code": "NXDOMAIN",
-        "coredns.response.flags": [
-            "QR",
-            "RA",
-            "RD"
-        ],
         "coredns.response.size": 136,
         "dns.header_flags": [
             "QR",
@@ -55,18 +44,7 @@
     },
     {
         "@timestamp": "2019-03-18T22:13:36.289-07:00",
-        "coredns.dnssec_ok": false,
-        "coredns.id": "14639",
-        "coredns.query.class": "IN",
-        "coredns.query.name": "www.yahoo.com.",
         "coredns.query.size": 42,
-        "coredns.query.type": "A",
-        "coredns.response.code": "NOERROR",
-        "coredns.response.flags": [
-            "QR",
-            "RA",
-            "RD"
-        ],
         "coredns.response.size": 188,
         "dns.header_flags": [
             "QR",