QA-34016 Create dlpx functional run for zfs-tests (openzfs#326)

* Create a separate zfs suite to test features specific to Delphix. 
* Add a new Github workflow

.github/workflows/zfs-tests-dlpx-functional.yml

@@ -0,0 +1,82 @@
+name: zfs-tests-dlpx-functional
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests-dlpx-functional-ubuntu:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [20.04]
+    runs-on: ubuntu-${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
+    - name: Reclaim disk space
+      run: |
+        ${{ github.workspace }}/.github/workflows/scripts/reclaim_disk_space.sh
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        xargs --arg-file=${{ github.workspace }}/.github/workflows/build-dependencies.txt sudo apt-get install -qq
+        sudo apt-get clean
+    - name: Autogen.sh
+      run: |
+        ./autogen.sh
+    - name: Configure
+      run: |
+        ./configure --enable-debug --enable-debuginfo --enable-asan --enable-ubsan
+    - name: Make
+      run: |
+        make -j$(nproc) --no-print-directory --silent pkg-utils pkg-kmod
+    - name: Install
+      run: |
+        sudo dpkg -i *.deb
+        # Update order of directories to search for modules, otherwise
+        #   Ubuntu will load kernel-shipped ones.
+        sudo sed -i.bak 's/updates/extra updates/' /etc/depmod.d/ubuntu.conf
+        sudo depmod
+        sudo modprobe zfs
+        # Workaround for cloud-init bug
+        # see https://github.com/openzfs/zfs/issues/12644
+        FILE=/lib/udev/rules.d/10-cloud-init-hook-hotplug.rules
+        if [ -r "${FILE}" ]; then
+          HASH=$(md5sum "${FILE}" | awk '{ print $1 }')
+          if [ "${HASH}" = "121ff0ef1936cd2ef65aec0458a35772" ]; then
+            # Just shove a zd* exclusion right above the hotplug hook...
+            sudo sed -i -e s/'LABEL="cloudinit_hook"'/'KERNEL=="zd*", GOTO="cloudinit_end"\n&'/ "${FILE}"
+            sudo udevadm control --reload-rules
+          fi
+        fi
+    - name: Clear the kernel ring buffer
+      run: |
+        sudo dmesg -c >/var/tmp/dmesg-prerun
+    - name: Report disk space
+      run: |
+        df -h /
+    - name: Tests
+      run: |
+        set -o pipefail
+        /usr/share/zfs/zfs-tests.sh -vR -s 3G -r dlpx_functional.run | scripts/zfs-tests-color.sh
+      shell: bash
+      timeout-minutes: 330
+    - name: Prepare artifacts
+      if: failure()
+      run: |
+        RESULTS_PATH=$(readlink -f /var/tmp/test_results/current)
+        sudo dmesg > $RESULTS_PATH/dmesg
+        sudo cp /var/log/syslog /var/tmp/dmesg-prerun $RESULTS_PATH/
+        sudo chmod +r $RESULTS_PATH/*
+        # Replace ':' in dir names, actions/upload-artifact doesn't support it
+        for f in $(find /var/tmp/test_results -name '*:*'); do mv "$f" "${f//:/__}"; done
+    - uses: actions/upload-artifact@v2
+      if: failure()
+      with:
+        name: Test logs Ubuntu-${{ matrix.os }}
+        path: |
+          /var/tmp/test_results/*
+          !/var/tmp/test_results/current
+        if-no-files-found: ignore

tests/runfiles/Makefile.am

@@ -1,6 +1,7 @@
 pkgdatadir = $(datadir)/@PACKAGE@/runfiles
 dist_pkgdata_DATA = \
 	common.run \
+	dlpx_functional.run
 	freebsd.run \
 	linux.run \
 	longevity.run \