Revert "Remove skipping logic in favor of path filtering (#14170)"

.azure/gpu-tests.yml

@@ -12,31 +12,15 @@ trigger:
       - "master"
       - "release/*"
       - "refs/tags/*"
-  paths:
-    include:
-      - ".azure/**"
-      - "examples/run_ddp_examples.sh"
-      - "examples/convert_from_pt_to_pl/**"
-      - "examples/run_pl_examples.sh"
-      - "examples/pl_basics/backbone_image_classifier.py"
-      - "examples/pl_basics/autoencoder.py"
-      - "examples/pl_loops/mnist_lite.py"
-      - "examples/pl_fault_tolerant/automatic.py"
-      - "examples/test_pl_examples.py"
-      - "examples/pl_integrations/dali_image_classifier.py"
-      - "requirements/pytorch/**"
-      - "src/pytorch_lightning/**"
-      - "tests/tests_pytorch/**"
-      - "setup.cfg"
-      - "pyproject.toml"
-      - ".github/workflows/ci-pytorch*.yml"
-      - ".github/workflows/docs-*.yml"
-
 
 pr:
   - "master"
   - "release/*"
 
+variables:
+  - name: continue
+    value: '1'
+
 jobs:
   - job: testing
     strategy:
@@ -57,6 +41,22 @@ jobs:
       clean: all
 
     steps:
+
+    - bash: |
+        CHANGED_FILES=$(git diff --name-status origin/master -- . | awk  '{print $2}')
+        FILTER='src/pytorch_lightning|requirements/pytorch|tests/tests_pytorch|examples/pl_*'
+        echo $CHANGED_FILES > changed_files.txt
+        MATCHES=$(cat changed_files.txt | grep -E $FILTER)
+        echo $MATCHES
+        if [ -z "$MATCHES" ]; then
+            echo "Skip"
+            echo "##vso[task.setvariable variable=continue]0"
+        else
+            echo "Continue"
+            echo "##vso[task.setvariable variable=continue]1"
+        fi
+      displayName: Skipper
+
     - bash: |
         lspci | egrep 'VGA|3D'
         whereis nvidia
@@ -66,6 +66,7 @@ jobs:
         pip --version
         pip list
       displayName: 'Image info & NVIDIA'
+      condition: eq(variables['continue'], '1')
 
     - bash: |
         set -e
@@ -81,6 +82,7 @@ jobs:
         PACKAGE_NAME: pytorch
         FREEZE_REQUIREMENTS: 1
       displayName: 'Install dependencies'
+      condition: eq(variables['continue'], '1')
 
     - bash: |
         set -e
@@ -89,20 +91,24 @@ jobs:
         python requirements/pytorch/check-avail-strategies.py
         python requirements/pytorch/check-avail-extras.py
       displayName: 'Env details'
+      condition: eq(variables['continue'], '1')
 
     - bash: bash .actions/pull_legacy_checkpoints.sh
       displayName: 'Get legacy checkpoints'
+      condition: eq(variables['continue'], '1')
 
     - bash: python -m coverage run --source pytorch_lightning -m pytest
       workingDirectory: src/pytorch_lightning
       displayName: 'Testing: PyTorch doctests'
+      condition: eq(variables['continue'], '1')
 
     - bash: python -m coverage run --source pytorch_lightning -m pytest --ignore benchmarks -v --junitxml=$(Build.StagingDirectory)/test-results.xml --durations=50
       env:
         PL_RUN_CUDA_TESTS: "1"
       workingDirectory: tests/tests_pytorch
       displayName: 'Testing: PyTorch standard'
       timeoutInMinutes: "35"
+      condition: eq(variables['continue'], '1')
 
     - bash: bash run_standalone_tests.sh
       workingDirectory: tests/tests_pytorch
@@ -111,14 +117,7 @@ jobs:
         PL_RUN_CUDA_TESTS: "1"
       displayName: 'Testing: PyTorch standalone tests'
       timeoutInMinutes: "35"
-
-    - bash: bash run_standalone_tasks.sh
-      workingDirectory: tests/tests_pytorch
-      env:
-        PL_USE_MOCKED_MNIST: "1"
-        PL_RUN_CUDA_TESTS: "1"
-      displayName: 'Testing: PyTorch standalone tasks'
-      timeoutInMinutes: "10"
+      condition: eq(variables['continue'], '1')
 
     - bash: |
         python -m coverage report
@@ -128,13 +127,14 @@ jobs:
         ls -l
       workingDirectory: tests/tests_pytorch
       displayName: 'Statistics'
+      condition: eq(variables['continue'], '1')
 
     - task: PublishTestResults@2
       displayName: 'Publish test results'
       inputs:
         testResultsFiles: '$(Build.StagingDirectory)/test-results.xml'
         testRunTitle: '$(Agent.OS) - $(Build.DefinitionName) - Python $(python.version)'
-      condition: succeededOrFailed()
+      condition: and(succeededOrFailed(), eq(variables['continue'], '1'))
 
     - script: |
         set -e
@@ -146,9 +146,11 @@ jobs:
       env:
         PL_USE_MOCKED_MNIST: "1"
       displayName: 'Testing: PyTorch examples'
+      condition: eq(variables['continue'], '1')
 
     - bash: python -m pytest benchmarks -v --maxfail=2 --durations=0
       workingDirectory: tests/tests_pytorch
       env:
         PL_RUN_CUDA_TESTS: "1"
       displayName: 'Testing: PyTorch benchmarks'
+      condition: eq(variables['continue'], '1')

.github/file-filters.yml

@@ -0,0 +1,9 @@
+# This file contains filters to be used in the CI to detect file changes and run the required CI jobs.
+
+app_examples:
+  - "src/lightning_app/**"
+  - "tests/tests_app_examples/**"
+  - "requirements/app/**"
+  - "examples/app_*"
+  - "setup.py"
+  - "src/pytorch_lightning/__version__.py"

.github/workflows/ci-app-cloud-e2e-test.yml

@@ -7,19 +7,37 @@ on: # Trigger the workflow on push or pull request, but only for the master bran
     branches: [master, "release/*"]
   pull_request:
     branches: [master, "release/*"]
-    paths:
-      - ".github/workflows/ci-app-cloud-e2e-test.yml"
-      - "requirements/app/**"
-      - "src/lightning_app/**"
-      - "examples/app_*"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
   cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}
 
 jobs:
+  # This is job should once only once per PR to detect file changes so run required jobs.
+  # see .github/file-filters.yml to define file filters and run the jobs based on the output of each filter.
+  # More info: https://github.com/marketplace/actions/paths-changes-filter
+
+  changes:
+    runs-on: ubuntu-latest
+    # Set job outputs to the values from filter step
+    outputs:
+      app_examples: ${{ steps.filter.outputs.app_examples }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.8"
+
+      - uses: dorny/paths-filter@v2
+        id: filter
+        with:
+          filters: .github/file-filters.yml
+
   cloud-test:
     name: Cloud Test
+    needs: changes
+    if: ${{ needs.changes.outputs.app_examples == 'true' }}
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false

.github/workflows/ci-app-examples.yml

@@ -6,13 +6,6 @@ on: # Trigger the workflow on push or pull request, but only for the master bran
     branches: [master, "release/*"]
   pull_request:
     branches: [master, "release/*"]
-    paths:
-      - ".github/workflows/ci-app-examples.yml"
-      - "requirements/app/**"
-      - "src/lightning_app/**"
-      - "tests/tests_app_examples/**"
-      # the examples are used in the app CI
-      - "examples/app_*"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}

.github/workflows/ci-app-tests.yml

@@ -6,10 +6,10 @@ on: # Trigger the workflow on push or pull request, but only for the master bran
     branches: [master, "release/*"]
   pull_request:
     paths:
-      - ".github/workflows/ci-app-tests.yml"
-      - "requirements/app/**"
       - "src/lightning_app/**"
       - "tests/tests_app/**"
+      - "requirements/app/**"
+      - "setup.py"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}

.github/workflows/ci-pytorch-test-conda.yml

@@ -6,12 +6,6 @@ on:  # Trigger the workflow on push or pull request, but only for the master bra
     branches: [master, "release/*"]
   pull_request:
     branches: [master, "release/*"]
-    paths:
-      - "requirements/pytorch/**"
-      - "src/pytorch_lightning/**"
-      - "tests/tests_pytorch/**"
-      - "setup.cfg"  # includes pytest config
-      - ".github/workflows/ci-pytorch-test-conda.yml"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-${{ github.head_ref }}
@@ -41,7 +35,28 @@ jobs:
 
     - uses: actions/checkout@v2
 
+    - name: Get changed files
+      id: changed-files
+      uses: tj-actions/changed-files@v23.1
+
+    - name: Decide if the test should be skipped
+      id: skip
+      shell: bash -l {0}
+      run: |
+        FILTER='src/pytorch_lightning|requirements/pytorch|tests/tests_pytorch|examples/pl_*'
+        echo "${{ steps.changed-files.outputs.all_changed_files }}" | tr " " "\n" > changed_files.txt
+        MATCHES=$(cat changed_files.txt | grep -E $FILTER)
+        echo $MATCHES
+        if [ -z "$MATCHES" ]; then
+            echo "Skip"
+            echo "::set-output name=continue::0"
+        else
+            echo "Continue"
+            echo "::set-output name=continue::1"
+        fi
+
     - name: Update base dependencies
+      if: ${{ (steps.skip.outputs.continue == '1') }}
       env:
         PACKAGE_NAME: pytorch
         FREEZE_REQUIREMENTS: 1
@@ -55,10 +70,12 @@ jobs:
       run: pip install "Pillow<9.0"  # It messes with torchvision
 
     - name: DocTests
+      if: ${{ (steps.skip.outputs.continue == '1') }}
       working-directory: ./src
       run: pytest pytorch_lightning --cov=pytorch_lightning
 
     - name: Update all dependencies
+      if: ${{ (steps.skip.outputs.continue == '1') }}
       env:
         HOROVOD_BUILD_ARCH_FLAGS: "-mfma"
         HOROVOD_WITHOUT_MXNET: 1
@@ -78,9 +95,11 @@ jobs:
         python requirements/pytorch/check-avail-extras.py
 
     - name: Pull legacy checkpoints
+      if: ${{ (steps.skip.outputs.continue == '1') }}
       run: bash .actions/pull_legacy_checkpoints.sh
 
     - name: Testing PyTorch
+      if: ${{ (steps.skip.outputs.continue == '1') }}
       working-directory: tests/tests_pytorch
       run: coverage run --source pytorch_lightning -m pytest -v --timeout 150 --durations=50 --junitxml=results-${{ runner.os }}-torch${{ matrix.pytorch-version }}.xml
 
@@ -92,15 +111,15 @@ jobs:
       if: failure()
 
     - name: Statistics
-      if: success()
+      if: ${{ success() && (steps.skip.outputs.continue == '1') }}
       working-directory: tests/tests_pytorch
       run: |
         coverage report
         coverage xml
 
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v3
-      if: success()
+      if: ${{ success() && (steps.skip.outputs.continue == '1') }}
       # see: https://github.com/actions/toolkit/issues/399
       continue-on-error: true
       with: