Drop jdk8 build support + various improvements (#1638)

Author: wind57

.github/workflows/composites/matrix-bounds-on-test-times-cache-hit/action.yaml

@@ -19,7 +19,7 @@ runs:
   steps:
 
     - name: restore test times cache
-      uses: actions/cache/restore@v3
+      uses: actions/cache/restore@v4
       with:
         path: /tmp/sorted.txt
         key: ${{ runner.os }}-spring-cloud-k8s-existing-test-times-cache-${{ github.run_id }}
@@ -117,13 +117,13 @@ runs:
         echo "AVERAGE_TIME_PER_INSTANCE=$(echo $average_time_per_instance_json)" >> $GITHUB_ENV
 
     - name: upload test with times
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tests-with-times-sorted.txt
         path: /tmp/tests-with-times-sorted.txt
 
     - name: upload test without times
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tests-without-times.txt
         path: /tmp/tests-without-times.txt

.github/workflows/composites/maven-build-with-dry-run-for-tests/action.yaml

@@ -30,7 +30,7 @@ runs:
       run: cat /tmp/tests.txt
 
     - name: upload test
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: tests.txt
         path: /tmp/tests.txt

.github/workflows/composites/pre-test-actions/action.yaml

@@ -15,10 +15,6 @@ runs:
       uses: ./.github/workflows/composites/setup-jdk17
       if: env.BASE_BRANCH == 'main'
 
-    - name: setup project jdk-8
-      uses: ./.github/workflows/composites/setup-jdk1.8
-      if: env.BASE_BRANCH == '2.1.x'
-
     - name: cache local maven repository
       uses: ./.github/workflows/composites/cache
 
@@ -37,7 +33,7 @@ runs:
       uses: ./.github/workflows/composites/build-integration-tests-project
 
     - name: download tests
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: tests.txt
         path: /tmp

.github/workflows/composites/restore-docker-images/action.yaml

@@ -31,12 +31,10 @@ runs:
       with:
         path: |
           /tmp/docker/images
-        key: docker-images-github-cache-${{ hashFiles('**/current-images.txt') }}
 
     - name: print images
       shell: bash
       run: | 
         echo 'printing images'
         ls /tmp/docker/images
 
-

.github/workflows/composites/run-and-save-test-times-when-cache-missing/action.yaml

@@ -37,39 +37,17 @@ runs:
         TEST_ARG=$(echo ${sliced_array[@]} | sed 's/ /,/g')
         echo "$TEST_ARG"
         
-        if [[ $baseBranch == "2.1.x" ]]; then
-        
-           ./mvnw -s .settings.xml -pl '-:kubernetes-leader-election-example' -pl '-:kubernetes-hello-world-example' \
-           -pl '-:kubernetes-reload-example' -pl '-:kubernetes-loadbalancer-example' \
-           -pl '-:spring-cloud-kubernetes-configserver' -pl '-:spring-cloud-kubernetes-configuration-watcher' \
-           -pl '-:spring-cloud-kubernetes-discoveryserver' \
-           -DtestsToRun=${TEST_ARG[@]} \
-           -e clean install \
-           -U -P sonar -nsu --batch-mode \
-           -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn \
-           -Dhttp.keepAlive=false \
-           -Dmaven.wagon.http.pool=false \
-           -Dmaven.wagon.http.retryHandler.class=standard \
-           -Dmaven.wagon.http.retryHandler.count=3 \
-           -Dskip.build.image=true
-        
-        else 
-           
-           version=$(java -version)
-           echo "version of java: $version"
-        
-           ./mvnw -s .settings.xml \
-           -DtestsToRun=${TEST_ARG[@]} \
-           -DCURRENT_INSTANCE=${CURRENT_INDEX} \
-           -e clean install \
-           -P sonar -nsu --batch-mode \
-           -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn \
-           -Dhttp.keepAlive=false \
-           -Dmaven.wagon.http.pool=false \
-           -Dmaven.wagon.http.retryHandler.class=standard \
-           -Dmaven.wagon.http.retryHandler.count=3 \
-           -Dskip.build.image=true          
-        fi
+        ./mvnw -s .settings.xml \
+            -DtestsToRun=${TEST_ARG[@]} \
+            -DCURRENT_INSTANCE=${CURRENT_INDEX} \
+            -e clean install \
+            -P sonar -nsu --batch-mode \
+            -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn \
+            -Dhttp.keepAlive=false \
+            -Dmaven.wagon.http.pool=false \
+            -Dmaven.wagon.http.retryHandler.class=standard \
+            -Dmaven.wagon.http.retryHandler.count=3 \
+            -Dskip.build.image=true          
         
         touch /tmp/test_times_${{ env.CURRENT_INDEX }}.txt
         
@@ -85,12 +63,10 @@ runs:
 
     - name: show individual test times
       shell: bash
-      if: env.BASE_BRANCH != '2.1.x'
       run: cat /tmp/test_times_${{ env.CURRENT_INDEX }}.txt
 
     - name: upload individual tests
-      if: env.BASE_BRANCH != '2.1.x'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: test_times_${{ env.CURRENT_INDEX }}.txt
         path: /tmp/test_times_${{ env.CURRENT_INDEX }}.txt

.github/workflows/composites/run-and-save-test-times-when-cache-present/action.yaml

@@ -6,15 +6,13 @@ runs:
   steps:
 
     - name: download tests with times
-      if: env.BASE_BRANCH != '2.1.x'
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: tests-with-times-sorted.txt
         path: /tmp/
 
     - name: download tests without times
-      if: env.BASE_BRANCH != '2.1.x'
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: tests-without-times.txt
         path: /tmp/
@@ -187,12 +185,10 @@ runs:
 
     - name: show individual test times
       shell: bash
-      if: env.BASE_BRANCH != '2.1.x'
       run: cat /tmp/test_times_${{ env.CURRENT_INDEX }}.txt
 
     - name: upload individual tests
-      if: env.BASE_BRANCH != '2.1.x'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: test_times_${{ env.CURRENT_INDEX }}.txt
         path: /tmp/test_times_${{ env.CURRENT_INDEX }}.txt

.github/workflows/composites/setup-jdk1.8/action.yaml

@@ -3,7 +3,7 @@ description: setup project with jdk-17
 runs:
   using: "composite"
   steps:
-    - uses: actions/setup-java@v3
+    - uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
         java-version: '17'

.github/workflows/composites/setup-jdk17/action.yaml

@@ -15,18 +15,15 @@ runs:
 
     # we omit the name, as such all artifacts are downloaded
     - name: download all artifacts
-      if: env.BASE_BRANCH != '2.1.x'
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         path: /tmp/all-artifacts
 
     - name: show all artifacts
-      if: env.BASE_BRANCH != '2.1.x'
       shell: bash
       run: ls -l /tmp/all-artifacts
 
     - name: merge all artifacts into a single file and sort by time
-      if: env.BASE_BRANCH != '2.1.x'
       shell: bash
       run: |
         arr=($(find /tmp/all-artifacts/ -type f -name "test_times*"))
@@ -41,7 +38,6 @@ runs:
         cat /tmp/sorted.txt
 
     - name: show all tests in a sorted manner
-      if: env.BASE_BRANCH != '2.1.x'
       shell: bash
       run: cat /tmp/sorted.txt
 
@@ -51,8 +47,7 @@ runs:
     #    meaning there could be many of them already present and this is not an exact match
     #    github in this case will pick up the latest one, exactly what we want.
     - name: save test times in cache
-      uses: actions/cache/save@v3
-      if: env.BASE_BRANCH != '2.1.x'
+      uses: actions/cache/save@v4
       with:
         path: /tmp/sorted.txt
         key: ${{ runner.os }}-spring-cloud-k8s-existing-test-times-cache-${{ github.run_id }}

.github/workflows/composites/test-times/action.yaml

@@ -2,9 +2,9 @@ name: github-workflow
 
 on:
   push:
-    branches: [ main, 2.1.x, 3.0.x ]
+    branches: [ main, 3.0.x ]
   pull_request:
-    branches: [ main, 2.1.x, 3.0.x ]
+    branches: [ main, 3.0.x ]
 
 jobs:
   build:
@@ -27,7 +27,7 @@ jobs:
     steps:
 
       - name: checkout project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: set env variables
         uses: ./.github/workflows/composites/env-variables
@@ -37,10 +37,6 @@ jobs:
         uses: ./.github/workflows/composites/setup-jdk17
         if: env.BASE_BRANCH == 'main' || env.BASE_BRANCH == '3.0.x'
 
-      - name: setup project jdk-8
-        uses: ./.github/workflows/composites/setup-jdk1.8
-        if: env.BASE_BRANCH == '2.1.x'
-
       - name: cache local maven repository
         uses: ./.github/workflows/composites/cache
 
@@ -61,8 +57,7 @@ jobs:
 
       - name: restore test times cache if it exists
         id: restore_test_times_cache
-        if: env.BASE_BRANCH != '2.1.x'
-        uses: actions/cache/restore@v3
+        uses: actions/cache/restore@v4
         with:
           path: /tmp/sorted.txt
           key: ${{ runner.os }}-spring-cloud-k8s-existing-test-times-cache-${{ github.run_id }}
@@ -110,7 +105,7 @@ jobs:
     steps:
 
       - name: checkout project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: clean space
         uses: ./.github/workflows/composites/clean-space
@@ -122,10 +117,6 @@ jobs:
         uses: ./.github/workflows/composites/setup-jdk17
         if: env.BASE_BRANCH == 'main' || env.BASE_BRANCH == '3.0.x'
 
-      - name: setup project jdk-8
-        uses: ./.github/workflows/composites/setup-jdk1.8
-        if: env.BASE_BRANCH == '2.1.x'
-
       - name: pre-test-actions
         uses: ./.github/workflows/composites/pre-test-actions
 
@@ -158,7 +149,7 @@ jobs:
     steps:
 
       - name: checkout project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: clean space
         uses: ./.github/workflows/composites/clean-space
@@ -170,10 +161,6 @@ jobs:
         uses: ./.github/workflows/composites/setup-jdk17
         if: env.BASE_BRANCH == 'main' || env.BASE_BRANCH == '3.0.x'
 
-      - name: setup project jdk-8
-        uses: ./.github/workflows/composites/setup-jdk1.8
-        if: env.BASE_BRANCH == '2.1.x'
-
       - name: pre-test-actions
         uses: ./.github/workflows/composites/pre-test-actions
 
@@ -190,7 +177,6 @@ jobs:
       - name: run and save individual test times
         env:
           CURRENT_INDEX: ${{ matrix.current_index }}
-        if: env.BASE_BRANCH != '2.1.x'
         uses: ./.github/workflows/composites/run-and-save-test-times-when-cache-missing
 
   save_test_times_when_cache_missing:
@@ -200,10 +186,9 @@ jobs:
     steps:
 
       - name: checkout project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: compute and save running time of tests
-        if: env.BASE_BRANCH != '2.1.x'
         uses: ./.github/workflows/composites/test-times
 
   save_test_times_when_cache_present:
@@ -213,8 +198,7 @@ jobs:
     steps:
 
       - name: checkout project
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: compute and save running time of tests
-        if: env.BASE_BRANCH != '2.1.x'
         uses: ./.github/workflows/composites/test-times