rmetzger commented on a change in pull request #10976: [FLINK-13978][build 
system] Add experimental support for building on Azure Pipelines
URL: https://github.com/apache/flink/pull/10976#discussion_r379543557
 
 

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 File path: tools/azure-pipelines/jobs-template.yml
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 @@ -0,0 +1,137 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+
+parameters:
+  test_pool_definition: # defines the hardware pool for compilation and unit 
test execution.
+  e2e_pool_definion: # defines the hardware pool for end-to-end test execution
+  stage_name: # defines a unique identifier for all jobs in a stage (in case 
the jobs are added multiple times to a stage)
+  environment: # defines environment variables for downstream scripts
+
+jobs:
+- job: compile_${{parameters.stage_name}}
+  condition: not(eq(variables['MODE'], 'e2e'))
+  pool: ${{parameters.test_pool_definition}}
+  container: flink-build-container
+  timeoutInMinutes: 240
+  cancelTimeoutInMinutes: 1
+  workspace:
+    clean: all # this cleans the entire workspace directory before running a 
new job
+    # It is necessary because the custom build machines are reused for tests.
+    # See also 
https://docs.microsoft.com/en-us/azure/devops/pipelines/process/phases?view=azure-devops&tabs=yaml#workspace
 
+
+  steps:
+  # The cache task is persisting the .m2 directory between builds, so that
+  # we do not have to re-download all dependencies from maven central for 
+  # each build. The hope is that downloading the cache is faster than
+  # all dependencies individually.
+  # In this configuration, we a hash over all committed (not generated) .pom 
files 
+  # as a key for the build cache (CACHE_KEY). If we have a cache miss on the 
hash
+  # (usually because a pom file has changed), we'll fall back to a key without
+  # the pom files (CACHE_FALLBACK_KEY).
+  # Offical documentation of the Cache task: 
https://docs.microsoft.com/en-us/azure/devops/pipelines/caching/?view=azure-devops
+  - task: Cache@2
+    inputs:
+      key: $(CACHE_KEY)
+      restoreKeys: $(CACHE_FALLBACK_KEY)
+      path: $(MAVEN_CACHE_FOLDER)
+    continueOnError: true # continue the build even if the cache fails.
+    displayName: Cache Maven local repo
+
+  # Compile
+  - script: STAGE=compile ${{parameters.environment}} 
./tools/azure_controller.sh compile
+    displayName: Build
+
+  # upload artifacts for next stage
+  - task: PublishPipelineArtifact@1
+    inputs:
+      path: $(CACHE_FLINK_DIR)
+      artifact: FlinkCompileCacheDir-${{parameters.stage_name}}
+
+- job: test_${{parameters.stage_name}}
+  dependsOn: compile_${{parameters.stage_name}}
+  condition: not(eq(variables['MODE'], 'e2e'))
+  pool: ${{parameters.test_pool_definition}}
+  container: flink-build-container
+  timeoutInMinutes: 240
+  cancelTimeoutInMinutes: 1
+  workspace:
+    clean: all
+  strategy:
+    matrix:
+      core:
+        module: core
+      python:
+        module: python
+      libraries:
+        module: libraries
+      blink_planner:
+        module: blink_planner
+      connectors:
+        module: connectors
+      kafka_gelly:
+        module: kafka/gelly
+      tests:
+        module: tests
+      legacy_scheduler_core:
+        module: legacy_scheduler_core
+      legacy_scheduler_tests:
+        module: legacy_scheduler_tests
+      misc:
+        module: misc
+  steps:
+
+  # download artifacts
+  - task: DownloadPipelineArtifact@2
+    inputs:
+      path: $(CACHE_FLINK_DIR)
+      artifact: FlinkCompileCacheDir-${{parameters.stage_name}}
+
+  # recreate "build-target" symlink for python tests
+  - script: |
+      ls -lisah $(CACHE_FLINK_DIR)
+      ls -lisah .
+      ln -snf 
$(CACHE_FLINK_DIR)/flink-dist/target/flink-*-SNAPSHOT-bin/flink-*-SNAPSHOT 
$(CACHE_FLINK_DIR)/build-target
+    displayName: Recreate 'build-target' symlink
+  # Test
+  - script: STAGE=test ${{parameters.environment}} ./tools/azure_controller.sh 
$(module)
+    displayName: Test - $(module)
+
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFormat: 'JUnit'
+
+
+- job: e2e_${{parameters.stage_name}}
+  condition: eq(variables['MODE'], 'e2e')
+  # We are not running this job on a container, but in a VM.
 
 Review comment:
   I fixed the downloading of the dependencies, and it uses maven 3.2.5: 
https://dev.azure.com/rmetzger/Flink/_build/results?buildId=5189&view=results

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