CI: use self-hosted runner to run tests

Use prepared VM machine in GitHub actions to run mdadm tests on it.

Signed-off-by: Kinga Stefaniuk <[email protected]>

.github/tools/run_mdadm_tests.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/bash
+
+sudo make clean
+sudo make -j$(nproc)
+sudo make install
+sudo mdadm -Ss
+sudo ./test setup
+sudo ./test --skip-broken --no-error --disable-integrity --disable-multipath --disable-linear --keep-going
+sudo ./test cleanup

.github/workflows/tests.yml

@@ -0,0 +1,41 @@
+name: review
+on:
+  pull_request:
+    paths:
+      - '*.c'
+      - '*.h'
+jobs:
+  upstream_tests:
+     if: ${{ github.repository == 'md-raid-utilities/mdadm' }}
+     runs-on: self-hosted
+     timeout-minutes: 90
+     name: upstream tests
+     steps:
+     - uses: actions/checkout@v4
+       with:
+        ref: ${{ github.event.pull_request.head.sha }}
+        fetch-depth: 0
+     - name: 'Prepare machine'
+       run: |
+          cd ..
+          vagrant halt
+          vagrant status
+          vagrant up
+     - name: 'Run tests'
+       run: |
+          cd ..
+          vagrant ssh -c "cd /home/vagrant/host/mdadm && .github/tools/run_mdadm_tests.sh"
+     - uses: actions/download-artifact@v4
+       with:
+         name: /var/tmp/*.log
+  cleanup:
+    runs-on: self-hosted
+    steps:
+      - name: Restore clean VM
+        run:  |
+          cd ..
+          vagrant halt
+      - name: Stop md devices
+        run: sudo mdadm -Ss
+      - name: Clean logs
+        run: rm -rf /var/tmp/*.log

test

@@ -102,6 +102,9 @@ do_test() {
 
 	if [ -f "$_script" ]
 	then
+		if [ "${_basename:0:2}" == "$skip_prefix" ]; then
+			return
+		fi
 		if [ -f "${_script}.broken" ]; then
 			_broken=1
 			_broken_msg=$(head -n1 "${_script}.broken" | tr -d '\n')
@@ -162,6 +165,7 @@ do_help() {
 		--loop=N                    Run tests N times (0 to run forever)
 		--skip-broken               Skip tests that are known to be broken
 		--skip-always-broken        Skip tests that are known to always fail
+		--skip=prefix               Skip group of tests starting with <prefix>
 		--dev=loop|lvm|ram|disk     Use loop devices (default), LVM, RAM or disk
 		--disks=                    Provide a bunch of physical devices for test
 		--volgroup=name             LVM volume group for LVM test
@@ -265,6 +269,9 @@ parse_args() {
 		--skip-always-broken )
 			skipbroken=always
 			;;
+		--skip=* )
+			skip_prefix="${i##*=}"
+			;;
 		--disable-multipath )
 			unset MULTIPATH
 			;;

tests/07layouts.broken

@@ -0,0 +1 @@
+always fails

tests/07reshape5intr.broken

@@ -0,0 +1,3 @@
+always fails
+
+hangs

tests/14imsm-r5_3d-migrate-r4_3d.broken

@@ -0,0 +1 @@
+always fails

util.c

@@ -1111,17 +1111,6 @@ int dev_open(char *dev, int flags)
 			fd = open(devname, flags);
 			unlink(devname);
 		}
-		if (fd < 0) {
-			/* Try /tmp as /dev appear to be read-only */
-			snprintf(devname, sizeof(devname),
-				 "/tmp/.tmp.md.%d:%d:%d",
-				 (int)getpid(), major, minor);
-			if (mknod(devname, S_IFBLK|0600,
-				  makedev(major, minor)) == 0) {
-				fd = open(devname, flags);
-				unlink(devname);
-			}
-		}
 	} else
 		fd = open(dev, flags);
 	return fd;