CI: free up space (#386)

Co-authored-by: Neha Oudin <[email protected]>

Author: MiaAltieri

.github/workflows/ci.yaml

@@ -101,6 +101,18 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+      - name: (GitHub hosted) Free up disk space
+        timeout-minutes: 1
+        run: |
+          printf '\nDisk usage before cleanup\n'
+          df --human-readable
+          # Based on https://github.com/actions/runner-images/issues/2840#issuecomment-790492173
+          rm -r /opt/hostedtoolcache/
+          printf '\nDisk usage after cleanup\n'
+          df --human-readable
+      - name: (self hosted) Disk usage
+        timeout-minutes: 1
+        run: df --human-readable
       - name: Install terraform snap
         run: |
           sudo snap install terraform --channel=latest/stable --classic
@@ -121,6 +133,7 @@ jobs:
           sudo iptables -P FORWARD ACCEPT
       - name: Juju setup
         run: |
+          mkdir -p ~/.local/share/juju # Workaround for juju 3 strict snap
           sg 'lxd' -c "juju bootstrap 'localhost' --config model-logs-size=10G"
           juju model-defaults logging-config='<root>=INFO; unit=DEBUG'
       - name: Terraform deploy ${{ matrix.module.name }}