fix: Fix compatibility tests for more disk space (#1229)

Author: britaniar

.github/workflows/upgrade.yml

@@ -49,7 +49,26 @@ jobs:
           # Fetch the history of all branches and tags.
           # This is needed for the test suite to switch between releases.
           fetch-depth: 0
-              
+
+      - name: Move Docker data directory to /mnt
+        # The default storage device on GitHub-hosted runners is running low during e2e tests.
+        # Moving Docker data directory to /mnt which has more space and is backed by a larger
+        # storage device.
+        # Upstream kubefleet repo has a much bigger default storage device and no secondary
+        # storage device to use.
+        run: |
+          echo "=== Moving Docker to /mnt for more disk space ==="
+          df -h
+          sudo systemctl stop docker
+          echo '{"data-root": "/mnt/docker"}' | sudo tee /etc/docker/daemon.json
+          sudo mkdir -p /mnt/docker
+          if [ -d "/var/lib/docker" ]; then
+            sudo mv /var/lib/docker/* /mnt/docker/ || true
+          fi
+          sudo systemctl start docker
+          echo "=== Docker moved to /mnt, verifying ==="
+          docker info | grep "Docker Root Dir" || true
+
       - name: Set up Ginkgo CLI
         run: |
           go install github.com/onsi/ginkgo/v2/[email protected]
@@ -132,7 +151,26 @@ jobs:
           # Fetch the history of all branches and tags.
           # This is needed for the test suite to switch between releases.
           fetch-depth: 0
-              
+
+      - name: Move Docker data directory to /mnt
+        # The default storage device on GitHub-hosted runners is running low during e2e tests.
+        # Moving Docker data directory to /mnt which has more space and is backed by a larger
+        # storage device.
+        # Upstream kubefleet repo has a much bigger default storage device and no secondary
+        # storage device to use.
+        run: |
+          echo "=== Moving Docker to /mnt for more disk space ==="
+          df -h
+          sudo systemctl stop docker
+          echo '{"data-root": "/mnt/docker"}' | sudo tee /etc/docker/daemon.json
+          sudo mkdir -p /mnt/docker
+          if [ -d "/var/lib/docker" ]; then
+            sudo mv /var/lib/docker/* /mnt/docker/ || true
+          fi
+          sudo systemctl start docker
+          echo "=== Docker moved to /mnt, verifying ==="
+          docker info | grep "Docker Root Dir" || true
+
       - name: Set up Ginkgo CLI
         run: |
           go install github.com/onsi/ginkgo/v2/[email protected]
@@ -215,7 +253,26 @@ jobs:
           # Fetch the history of all branches and tags.
           # This is needed for the test suite to switch between releases.
           fetch-depth: 0
-              
+
+      - name: Move Docker data directory to /mnt
+        # The default storage device on GitHub-hosted runners is running low during e2e tests.
+        # Moving Docker data directory to /mnt which has more space and is backed by a larger
+        # storage device.
+        # Upstream kubefleet repo has a much bigger default storage device and no secondary
+        # storage device to use.
+        run: |
+          echo "=== Moving Docker to /mnt for more disk space ==="
+          df -h
+          sudo systemctl stop docker
+          echo '{"data-root": "/mnt/docker"}' | sudo tee /etc/docker/daemon.json
+          sudo mkdir -p /mnt/docker
+          if [ -d "/var/lib/docker" ]; then
+            sudo mv /var/lib/docker/* /mnt/docker/ || true
+          fi
+          sudo systemctl start docker
+          echo "=== Docker moved to /mnt, verifying ==="
+          docker info | grep "Docker Root Dir" || true
+
       - name: Set up Ginkgo CLI
         run: |
           go install github.com/onsi/ginkgo/v2/[email protected]