[8.x](backport #41506) Remove functionbeat (#43090)

* Remove functionbeat

This PR is a manual backport of #41506 removing functionbeat.
Relates #40745

* Update NOTICE.txt

* Pin python for check-dev-tools

---------

Co-authored-by: Anderson Queiroz <anderson.queiroz@elastic.co>

Author: dliappis

.buildkite/packaging.pipeline.yml

@@ -115,7 +115,6 @@ steps:
           - x-pack/auditbeat
           - x-pack/dockerlogbeat
           - x-pack/filebeat
-          - x-pack/functionbeat
           - x-pack/heartbeat
           - x-pack/metricbeat
           - x-pack/osquerybeat
@@ -206,7 +205,6 @@ steps:
           - x-pack/auditbeat
           - x-pack/dockerlogbeat
           - x-pack/filebeat
-          - x-pack/functionbeat
           - x-pack/heartbeat
           - x-pack/metricbeat
           - x-pack/osquerybeat
@@ -279,7 +277,7 @@ steps:
           - packaging-snapshot
           - dashboards-snapshot
         command: |
-          buildkite-agent artifact download "build/**/*" . 
+          buildkite-agent artifact download "build/**/*" .
           .buildkite/scripts/packaging/prepare-release-manager.sh snapshot
           .buildkite/scripts/dra.sh
         agents:

.github/workflows/check-dev-tools.yml

@@ -21,6 +21,10 @@ jobs:
     - uses: actions/setup-go@v5
       with:
         go-version-file: .go-version
+    - uses: actions/setup-python@v5
+      with:
+        cache: "pip"
+        python-version-file: .python-version
     - name: Run check/update
       run: |
         go install github.com/magefile/mage

.github/workflows/check-xpack-functionbeat.yml

@@ -157,16 +157,6 @@ targets:
         keyword: "FROM"
         matcher: "golang"
       file: ./packetbeat/Dockerfile
-  update-functionbeat-dockerfile:
-    name: "Update Functionbeat Dockerfile"
-    sourceid: latestGoVersion
-    scmid: githubConfig
-    kind: dockerfile
-    spec:
-      instruction:
-        keyword: "FROM"
-        matcher: "golang"
-      file: ./x-pack/functionbeat/Dockerfile
   update-nats-module-dockerfile:
     name: "Update NATS module Dockerfile"
     sourceid: latestGoVersion

.github/workflows/updatecli.d/bump-golang-7.17.yml

@@ -166,16 +166,6 @@ targets:
         keyword: "FROM"
         matcher: "golang"
       file: ./packetbeat/Dockerfile
-  update-functionbeat-dockerfile:
-    name: "Update Functionbeat Dockerfile"
-    sourceid: latestGoVersion
-    scmid: githubConfig
-    kind: dockerfile
-    spec:
-      instruction:
-        keyword: "FROM"
-        matcher: "golang"
-      file: ./x-pack/functionbeat/Dockerfile
   update-nats-module-dockerfile:
     name: "Update NATS module Dockerfile"
     sourceid: latestGoVersion

.github/workflows/updatecli.d/bump-golang.yml

@@ -11,7 +11,6 @@
 *beat/logs
 *beat/data
 **/ironbank/build/
-x-pack/functionbeat/pkg
 
 # Files
 .DS_Store
@@ -24,8 +23,6 @@ beat.db
 *.keystore
 go_env.properties
 mage_output_file.go
-x-pack/functionbeat/*/fields.yml
-x-pack/functionbeat/provider/*/functionbeat-*
 x-pack/dockerlogbeat/temproot.tar
 
 # Editor swap files

.gitignore

@@ -85,6 +85,7 @@ otherwise no tag is added. {issue}42208[42208] {pull}42403[42403]
 
 *Functionbeat*
 
+- Removal of functionbeat binaries from CI pipelines {issue}40745[40745] {pull}TODO[TODO]
 
 *Elastic Logging Plugin*
 

CHANGELOG.next.asciidoc

@@ -1,6 +1,6 @@
 BUILD_DIR=$(CURDIR)/build
 COVERAGE_DIR=$(BUILD_DIR)/coverage
-BEATS?=auditbeat filebeat heartbeat metricbeat packetbeat winlogbeat x-pack/agentbeat x-pack/auditbeat x-pack/dockerlogbeat x-pack/filebeat x-pack/functionbeat x-pack/heartbeat x-pack/metricbeat x-pack/osquerybeat x-pack/packetbeat x-pack/winlogbeat
+BEATS?=auditbeat filebeat heartbeat metricbeat packetbeat winlogbeat x-pack/agentbeat x-pack/auditbeat x-pack/dockerlogbeat x-pack/filebeat x-pack/heartbeat x-pack/metricbeat x-pack/osquerybeat x-pack/packetbeat x-pack/winlogbeat
 PROJECTS=libbeat x-pack/libbeat $(BEATS)
 PROJECTS_ENV=libbeat filebeat metricbeat
 PYTHON_ENV?=$(BUILD_DIR)/python-env