emphasize the folllowing cluster need to have correct version

.backportrc.json

@@ -1,9 +1,9 @@
 {
   "upstream" : "elastic/elasticsearch",
-  "targetBranchChoices" : [ "main", "8.15", "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "6.8" ],
+  "targetBranchChoices" : [ "main", "8.x", "8.16", "8.15", "8.14", "8.13", "8.12", "8.11", "8.10", "8.9", "8.8", "8.7", "8.6", "8.5", "8.4", "8.3", "8.2", "8.1", "8.0", "7.17", "6.8" ],
   "targetPRLabels" : [ "backport" ],
   "branchLabelMapping" : {
-    "^v8.16.0$" : "main",
+    "^v8.16.2$" : "main",
     "^v(\\d+).(\\d+).\\d+(?:-(?:alpha|beta|rc)\\d+)?$" : "$1.$2"
   }
 }

.buildkite/hooks/pre-command

@@ -16,10 +16,10 @@ export COMPOSE_HTTP_TIMEOUT
 JOB_BRANCH="$BUILDKITE_BRANCH"
 export JOB_BRANCH
 
-GRADLEW="./gradlew --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
+GRADLEW="./gradlew --console=plain --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
 export GRADLEW
 
-GRADLEW_BAT="./gradlew.bat --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
+GRADLEW_BAT="./gradlew.bat --console=plain --parallel --scan --build-cache --no-watch-fs -Dorg.elasticsearch.build.cache.url=https://gradle-enterprise.elastic.co/cache/"
 export GRADLEW_BAT
 
 export $(cat .ci/java-versions.properties | grep '=' | xargs)
@@ -47,6 +47,8 @@ export GRADLE_BUILD_CACHE_PASSWORD
 BUILDKITE_API_TOKEN=$(vault read -field=token secret/ci/elastic-elasticsearch/buildkite-api-token)
 export BUILDKITE_API_TOKEN
 
+export GH_TOKEN="$VAULT_GITHUB_TOKEN"
+
 if [[ "${USE_LUCENE_SNAPSHOT_CREDS:-}" == "true" ]]; then
   data=$(.buildkite/scripts/get-legacy-secret.sh aws-elastic/creds/lucene-snapshots)
 
@@ -78,11 +80,15 @@ if [[ "${USE_SNYK_CREDENTIALS:-}" == "true" ]]; then
 fi
 
 if [[ "${USE_PROD_DOCKER_CREDENTIALS:-}" == "true" ]]; then
-  DOCKER_REGISTRY_USERNAME="$(vault read -field=username secret/ci/elastic-elasticsearch/migrated/prod_docker_registry_credentials)"
-  export DOCKER_REGISTRY_USERNAME
+  if which docker > /dev/null 2>&1; then
+    DOCKER_REGISTRY_USERNAME="$(vault read -field=username secret/ci/elastic-elasticsearch/migrated/prod_docker_registry_credentials)"
+    export DOCKER_REGISTRY_USERNAME
+
+    DOCKER_REGISTRY_PASSWORD="$(vault read -field=password secret/ci/elastic-elasticsearch/migrated/prod_docker_registry_credentials)"
+    export DOCKER_REGISTRY_PASSWORD
 
-  DOCKER_REGISTRY_PASSWORD="$(vault read -field=password secret/ci/elastic-elasticsearch/migrated/prod_docker_registry_credentials)"
-  export DOCKER_REGISTRY_PASSWORD
+    docker login --username "$DOCKER_REGISTRY_USERNAME" --password "$DOCKER_REGISTRY_PASSWORD" docker.elastic.co
+  fi
 fi
 
 if [[ "$BUILDKITE_AGENT_META_DATA_PROVIDER" != *"k8s"* ]]; then
@@ -105,3 +111,13 @@ EOF
 <summary>Agent information from gobld</summary>
 EOF
 fi
+
+# Amazon Linux 2 has DNS resolution issues with resource-based hostnames in EC2
+# We have many functional tests that try to lookup and resolve the hostname of the local machine in a particular way
+# And they fail. This sets up a manual entry for the hostname in dnsmasq.
+if [[ -f /etc/os-release ]] && grep -q '"Amazon Linux 2"' /etc/os-release; then
+  echo "$(hostname -i | cut -d' ' -f 2)  $(hostname -f)." | sudo tee /etc/dnsmasq.hosts
+  sudo systemctl restart dnsmasq.service
+fi
+
+.buildkite/scripts/get-latest-test-mutes.sh

.buildkite/hooks/pre-command.bat

@@ -15,9 +15,12 @@ set BUILD_NUMBER=%BUILDKITE_BUILD_NUMBER%
 set COMPOSE_HTTP_TIMEOUT=120
 set JOB_BRANCH=%BUILDKITE_BRANCH%
 
+set GH_TOKEN=%VAULT_GITHUB_TOKEN%
+
 set GRADLE_BUILD_CACHE_USERNAME=vault read -field=username secret/ci/elastic-elasticsearch/migrated/gradle-build-cache
 set GRADLE_BUILD_CACHE_PASSWORD=vault read -field=password secret/ci/elastic-elasticsearch/migrated/gradle-build-cache
 
 bash.exe -c "nohup bash .buildkite/scripts/setup-monitoring.sh </dev/null >/dev/null 2>&1 &"
+bash.exe -c "bash .buildkite/scripts/get-latest-test-mutes.sh"
 
 exit /b 0

.buildkite/pipelines/dra-workflow.yml

@@ -6,7 +6,8 @@ steps:
       provider: gcp
       image: family/elasticsearch-ubuntu-2204
       machineType: custom-32-98304
-      buildDirectory: /dev/shm/bk
+      localSsds: 1
+      localSsdInterface: nvme
       diskSizeGb: 350
   - wait
   # The hadoop build depends on the ES artifact

.buildkite/pipelines/intake.template.yml

@@ -7,7 +7,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - wait
   - label: part1
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart1
@@ -17,7 +16,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part2
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart2
     timeout_in_minutes: 300
@@ -26,7 +24,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part3
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart3
     timeout_in_minutes: 300
@@ -35,7 +32,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part4
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart4
     timeout_in_minutes: 300
@@ -44,7 +40,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part5
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart5
     timeout_in_minutes: 300
@@ -53,7 +48,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - group: bwc-snapshots
     steps:
       - label: "{{matrix.BWC_VERSION}} / bwc-snapshots"
@@ -67,7 +61,6 @@ steps:
           image: family/elasticsearch-ubuntu-2004
           machineType: custom-32-98304
           buildDirectory: /dev/shm/bk
-          diskSizeGb: 250
         env:
           BWC_VERSION: "{{matrix.BWC_VERSION}}"
   - label: rest-compat
@@ -78,7 +71,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - wait
   - trigger: elasticsearch-dra-workflow
     label: Trigger DRA snapshot workflow

.buildkite/pipelines/intake.yml

@@ -8,7 +8,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - wait
   - label: part1
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart1
@@ -18,7 +17,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part2
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart2
     timeout_in_minutes: 300
@@ -27,7 +25,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part3
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart3
     timeout_in_minutes: 300
@@ -36,7 +33,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part4
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart4
     timeout_in_minutes: 300
@@ -45,7 +41,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part5
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart5
     timeout_in_minutes: 300
@@ -54,21 +49,19 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: n1-standard-32
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - group: bwc-snapshots
     steps:
       - label: "{{matrix.BWC_VERSION}} / bwc-snapshots"
         command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files v$$BWC_VERSION#bwcTest
         timeout_in_minutes: 300
         matrix:
           setup:
-            BWC_VERSION: ["7.17.25", "8.15.2", "8.16.0"]
+            BWC_VERSION: ["7.17.26", "8.16.2"]
         agents:
           provider: gcp
           image: family/elasticsearch-ubuntu-2004
           machineType: custom-32-98304
           buildDirectory: /dev/shm/bk
-          diskSizeGb: 250
         env:
           BWC_VERSION: "{{matrix.BWC_VERSION}}"
   - label: rest-compat
@@ -79,7 +72,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - wait
   - trigger: elasticsearch-dra-workflow
     label: Trigger DRA snapshot workflow

.buildkite/pipelines/lucene-snapshot/build-snapshot.yml

@@ -15,7 +15,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - wait
   - trigger: "elasticsearch-lucene-snapshot-tests"
     build:

.buildkite/pipelines/lucene-snapshot/run-tests.yml

@@ -7,7 +7,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - wait: null
   - label: part1
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart1
@@ -17,7 +16,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part2
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart2
     timeout_in_minutes: 300
@@ -26,7 +24,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part3
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart3
     timeout_in_minutes: 300
@@ -35,7 +32,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part4
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart4
     timeout_in_minutes: 300
@@ -44,7 +40,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - label: part5
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true -Dorg.elasticsearch.build.cache.push=true -Dignore.tests.seed -Dscan.capture-task-input-files checkPart5
     timeout_in_minutes: 300
@@ -53,7 +48,6 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250
   - group: bwc-snapshots
     steps:
       - label: "{{matrix.BWC_VERSION}} / bwc-snapshots"
@@ -70,7 +64,6 @@ steps:
           image: family/elasticsearch-ubuntu-2004
           machineType: custom-32-98304
           buildDirectory: /dev/shm/bk
-          diskSizeGb: 250
         env:
           BWC_VERSION: "{{matrix.BWC_VERSION}}"
   - label: rest-compat
@@ -81,4 +74,3 @@ steps:
       image: family/elasticsearch-ubuntu-2004
       machineType: custom-32-98304
       buildDirectory: /dev/shm/bk
-      diskSizeGb: 250

.buildkite/pipelines/periodic-packaging.bwc.template.yml

@@ -11,6 +11,5 @@
           image: family/elasticsearch-{{matrix.image}}
           machineType: custom-16-32768
           buildDirectory: /dev/shm/bk
-          diskSizeGb: 250
         env:
           BWC_VERSION: $BWC_VERSION

.buildkite/pipelines/periodic-packaging.template.yml

@@ -3,12 +3,10 @@ steps:
     steps:
       - label: "{{matrix.image}} / packaging-tests-unix"
         command: ./.ci/scripts/packaging-test.sh destructivePackagingTest
-        timeout_in_minutes: 300
+        timeout_in_minutes: 420
         matrix:
           setup:
             image:
-              - centos-7
-              - debian-10
               - debian-11
               - opensuse-leap-15
               - oraclelinux-7