Add GH action for running tests against upstream dev

.github/workflows/parse_logs.py

@@ -0,0 +1,21 @@
+# type: ignore
+import pathlib
+
+files = pathlib.Path("logs").rglob("**/*-log")
+files = sorted(filter(lambda x: x.is_file(), files))
+
+message = "\n"
+
+print("Parsing logs ...")
+for file in files:
+    with open(file) as fpt:
+        print(f"Parsing {file.absolute()}")
+        data = fpt.read().split("test summary info")[-1].splitlines()[1:-1]
+        data = "\n".join(data)
+        py_version = file.name.split("-")[1]
+        message = f"{message}\n<details>\n<summary>\nPython {py_version} Test Summary Info\n</summary>\n\n```bash\n{data}\n```\n</details>\n"
+
+output_file = pathlib.Path("pytest-logs.txt")
+with open(output_file, "w") as fpt:
+    print(f"Writing output file to: {output_file.absolute()} ")
+    fpt.write(message)

.github/workflows/upstream-dev-ci.yaml

@@ -0,0 +1,129 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  schedule:
+    - cron: "0 0 * * *" # Daily “At 00:00” UTC
+  workflow_dispatch: # allows you to trigger the workflow run manually
+
+jobs:
+  upstream-dev:
+    name: upstream-dev
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -l {0}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8"]
+    steps:
+      - name: Cancel previous runs
+        uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v2
+      - uses: conda-incubator/setup-miniconda@v2
+        with:
+          channels: conda-forge
+          mamba-version: "*"
+          activate-environment: xarray-tests
+          auto-update-conda: false
+          python-version: ${{ matrix.python-version }}
+      - name: Set up conda environment
+        run: |
+          mamba env update -f ci/requirements/py38.yml
+          bash ci/install-upstream-wheels.sh
+          conda list
+      - name: Run Tests
+        run: |
+          python -m pytest --verbose -rf > output-${{ matrix.python-version }}-log
+
+      - name: Upload artifacts
+        if: "failure()&&(github.event_name == 'schedule')&&(github.repository == 'pydata/xarray')" # Check the exit code of previous step
+        uses: actions/upload-artifact@v2
+        with:
+          name: output-${{ matrix.python-version }}-log
+          path: output-${{ matrix.python-version }}-log
+          retention-days: 5
+
+  report:
+    name: report
+    needs: upstream-dev
+    if: "always()&&(github.event_name == 'schedule')&&(github.repository == 'pydata/xarray')"
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.x"
+      - uses: actions/download-artifact@v2
+        with:
+          path: /tmp/workspace/logs
+      - name: Move all log files into a single directory
+        run: |
+          rsync -a /tmp/workspace/logs/output-*/ ./logs
+          ls -R ./logs
+      - name: Parse logs
+        run: |
+          python .github/workflows/parse_logs.py
+      - name: Report failures
+        uses: actions/github-script@v3
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const fs = require('fs');
+            const pytest_logs = fs.readFileSync('pytest-logs.txt', 'utf8');
+            const title = "⚠️ Nightly upstream-dev CI failed ⚠️"
+            const workflow_url = `https://github.com/${process.env.GITHUB_REPOSITORY}/actions/runs/${process.env.GITHUB_RUN_ID}`
+            const issue_body = `[Workflow Run URL](${workflow_url})\n${pytest_logs}`
+
+            // Run GraphQL query against GitHub API to find the most recent open issue used for reporting failures
+            const query = `query($owner:String!, $name:String!, $creator:String!, $label:String!){
+              repository(owner: $owner, name: $name) {
+                issues(first: 1, states: OPEN, filterBy: {createdBy: $creator, labels: [$label]}, orderBy: {field: CREATED_AT, direction: DESC}) {
+                  edges {
+                    node {
+                      body
+                      id
+                      number
+                    }
+                  }
+                }
+              }
+            }`;
+
+            const variables = {
+                owner: context.repo.owner,
+                name: context.repo.repo,
+                label: 'CI',
+                creator: "github-actions[bot]"
+            }
+            const result = await github.graphql(query, variables)
+            const issue_info = result.repository.issues.edges[0].node
+
+            // If no issue is open, create a new issue, else update the 
+            // body of the existing issue. 
+            if (typeof issue_info.number === 'undefined') {
+                github.issues.create({
+                    owner: variables.owner,
+                    repo: variables.name,
+                    body: issue_body,
+                    title: title,
+                    labels: [variables.label]
+                })
+            } else {
+                github.issues.update({
+                    owner: variables.owner,
+                    repo: variables.name,
+                    issue_number: issue_info.number,
+                    body: issue_body
+                })
+            }

ci/install-upstream-wheels.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+conda uninstall -y --force \
+    numpy \
+    scipy \
+    pandas \
+    matplotlib \
+    dask \
+    distributed \
+    zarr \
+    cftime \
+    rasterio \
+    pint \
+    bottleneck \
+    sparse
+python -m pip install \
+    -i https://pypi.anaconda.org/scipy-wheels-nightly/simple \
+    --no-deps \
+    --pre \
+    --upgrade \
+    numpy \
+    scipy \
+    pandas
+python -m pip install \
+    -f https://7933911d6844c6c53a7d-47bd50c35cd79bd838daf386af554a83.ssl.cf2.rackcdn.com \
+    --no-deps \
+    --pre \
+    --upgrade \
+    matplotlib
+python -m pip install \
+    --no-deps \
+    --upgrade \
+    git+https://github.com/dask/dask \
+    git+https://github.com/dask/distributed \
+    git+https://github.com/zarr-developers/zarr \
+    git+https://github.com/Unidata/cftime \
+    git+https://github.com/mapbox/rasterio \
+    git+https://github.com/hgrecco/pint \
+    git+https://github.com/pydata/bottleneck

doc/whats-new.rst

@@ -126,6 +126,8 @@ Internal Changes
 - Replace the internal use of ``pd.Index.__or__`` and ``pd.Index.__and__`` with ``pd.Index.union``
   and ``pd.Index.intersection`` as they will stop working as set operations in the future
   (:issue:`4565`). By `Mathias Hauser <https://github.com/mathause>`_.
+- Add GitHub action for running nightly tests against upstream dependencies (:pull:`4583`). 
+  By `Anderson Banihirwe <https://github.com/andersy005>`_. 
 
 .. _whats-new.0.16.1: