ci: add configurations to setup fscache

Since using `/dev/cachefiles` requires sudo mode, so some environment variables are defined and we use `sudo -E` to pass these environment variables to sudo operations.

The script file for enabling fscache is misc/fscache/setup.sh

Signed-off-by: hijackthe2 <[email protected]>

.github/workflows/smoke.yml

@@ -610,9 +610,13 @@ jobs:
         shared-key: nydus-build
     - name: Install cargo nextest
       uses: taiki-e/install-action@nextest
+    - name: Fscache Setup
+      run: sudo bash misc/fscache/setup.sh
     - name: Unit Test
       run: |
-        make ut-nextest
+        CARGO_HOME=${HOME}/.cargo
+        CARGO_BIN=$(which cargo)
+        sudo -E CARGO=${CARGO_BIN} make ut-nextest
 
   nydus-unit-test-coverage:
     runs-on: ubuntu-latest
@@ -626,8 +630,13 @@ jobs:
           cache-on-failure: true
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
+      - name: Fscache Setup
+        run: sudo bash misc/fscache/setup.sh
       - name: Generate code coverage
-        run: make coverage-codecov
+        run: |
+          CARGO_HOME=${HOME}/.cargo
+          CARGO_BIN=$(which cargo)
+          sudo -E CARGO=${CARGO_BIN} make coverage-codecov
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
         with:

misc/fscache/setup.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# This script should be executed in root mode!
+
+apt update
+apt install -y cachefilesd
+apt list --installed | grep cachefilesd
+chmod a+w /etc/default/cachefilesd
+sed -i 's/#RUN=yes/RUN=yes/' /etc/default/cachefilesd
+cat /etc/default/cachefilesd
+/sbin/modprobe -qab cachefiles
+/sbin/cachefilesd -f /etc/cachefilesd.conf
+systemctl status cachefilesd
+[ -c /dev/cachefiles ] && echo "cachefilesd is successfully enabled"
+pid=$(lsof /dev/cachefiles | awk '{if (NR>1) {print $2}}')
+kill -9 $pid
+echo "/dev/cachefiles is available now"