test: Run TEST-64-UDEV-STORAGE with mkosi

We add a configure script for each subtest to add the required
qemu arguments.

Co-authored-by: Richard Maw <richard.maw@codethink.co.uk>

mkosi.images/system/mkosi.conf

@@ -42,7 +42,9 @@ Packages=
         kmod
         knot
         less
+        lvm2
         man
+        mdadm
         mtools
         nano
         nftables

mkosi.images/system/mkosi.conf.d/10-arch/mkosi.conf

@@ -30,6 +30,8 @@ Packages=
         iputils
         linux
         man-db
+        multipath-tools
+        open-iscsi
         openbsd-netcat
         openssh
         openssl
@@ -44,6 +46,7 @@ Packages=
         shadow
         squashfs-tools
         stress
+        tgt
         tpm2-tools
         tpm2-tss
         vim

mkosi.images/system/mkosi.conf.d/10-centos-fedora/mkosi.conf

@@ -24,6 +24,8 @@ Packages=
         bind-utils
         bpftool
         cryptsetup
+        device-mapper-event
+        device-mapper-multipath
         dfuzzer
         dhcp-server
         dnf
@@ -35,7 +37,9 @@ Packages=
         iproute
         iproute-tc
         iputils
+        iscsi-initiator-utils
         kernel-core
+        kernel-modules # For squashfs and megasas2
         libasan
         libcap-ng-utils
         libubsan

mkosi.images/system/mkosi.conf.d/10-centos/mkosi.conf

@@ -9,4 +9,3 @@ RepartDirectories=mkosi.repart
 [Content]
 Packages=
         rpmautospec-rpm-macros
-        kernel-modules # For squashfs

mkosi.images/system/mkosi.conf.d/10-debian-ubuntu/mkosi.conf

@@ -54,7 +54,9 @@ Packages=
         libtss2-tcti-device0
         locales
         man-db
+        multipath-tools
         netcat-openbsd
+        open-iscsi
         openssh-client
         openssh-server
         passwd
@@ -66,6 +68,7 @@ Packages=
         sbsigntool
         squashfs-tools
         stress
+        tgt
         tpm2-tools
         tzdata
         xxd

mkosi.images/system/mkosi.conf.d/10-debian/mkosi.conf

@@ -2,3 +2,7 @@
 
 [Match]
 Distribution=debian
+
+[Content]
+Packages=
+        linux-image-generic

mkosi.images/system/mkosi.conf.d/10-debian/mkosi.conf.d/amd64.conf

@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: LGPL-2.1-or-later
-
-[Match]
-Architecture=x86-64
-
-[Content]
-Packages=
-        linux-image-cloud-amd64

mkosi.images/system/mkosi.conf.d/10-debian/mkosi.conf.d/arm64.conf

@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: LGPL-2.1-or-later
-
-[Match]
-Architecture=arm64
-
-[Content]
-Packages=
-        linux-image-cloud-arm64

mkosi.images/system/mkosi.conf.d/10-fedora/mkosi.conf

@@ -7,8 +7,9 @@ Distribution=fedora
 Packages=
         btrfs-progs
         compsize
-        f2fs-tools
         dnf5
+        f2fs-tools
+        scsi-target-utils
 
 InitrdPackages=
         btrfs-progs

mkosi.images/system/mkosi.conf.d/10-opensuse/mkosi.conf

@@ -50,6 +50,8 @@ Packages=
         libasan8
         libkmod2
         libubsan1
+        multipath-tools
+        open-iscsi
         openssh-clients
         openssh-server
         pam
@@ -65,6 +67,7 @@ Packages=
         sed
         shadow
         squashfs
+        tgt
         timezone
         tpm2.0-tools
         user(bin)

mkosi.images/system/mkosi.extra/etc/iscsi/iscsid.conf

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+iscsid.startup = /usr/bin/systemctl start iscsid.socket

test/TEST-64-UDEV-STORAGE/btrfs_basic.configure

@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(4):
+    id = f"drivebtrfsbasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "350M" if i == 0 else "128M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device",
+        f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefbtrfs{i}",
+    ]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/iscsi_lvm.configure

@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(4):
+    id = f"driveiscsibasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "150M" if i == 0 else "70M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device",
+        f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefiscsi{i}",
+    ]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/long_sysfs_path.configure

@@ -0,0 +1,32 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuDrives"] += [
+    {
+        "Id": "drive0",
+        "Size": "64M",
+        "Options": "cache=unsafe",
+    }
+]
+config["QemuArgs"] += ["-device", "pci-bridge,id=pci_bridge0,chassis_nr=64"]
+
+# Create 25 additional PCI bridges, each one connected to the previous one
+# (basically a really long extension cable), and attach a virtio drive to
+# the last one. This should force udev into attempting to create a device
+# unit with a _really_ long name.
+for bridge in range(1, 26):
+    config["QemuArgs"] += [
+        "-device",
+        f"pci-bridge,id=pci_bridge{bridge},bus=pci_bridge{bridge - 1},"
+        f"chassis_nr={64 + bridge}"
+    ]
+
+config["QemuArgs"] += ["-device", f"virtio-blk-pci,drive=drive0,scsi=off,bus=pci_bridge25"]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/lvm_basic.configure

@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(4):
+    id = f"drivelvmbasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "32M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device", f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeeflvm{i}",
+    ]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/mdadm_basic.configure

@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(5):
+    id = f"drivemdadmbasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "64M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device", f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefmdadm{i}",
+    ]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/mdadm_lvm.configure

@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(5):
+    id = f"drivemdadmlvm{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "64M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device", f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefmdadmlvm{i}",
+    ]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/megasas2_basic.configure

@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import os
+import subprocess
+import sys
+
+
+config = json.load(sys.stdin)
+
+qemu = f"qemu-system-{os.environ["QEMU_ARCHITECTURE"]}"
+result = subprocess.run([qemu, '-device', 'help'], check=True, text=True, stdout=subprocess.PIPE)
+if 'name "megasas-gen2"' not in result.stdout:
+    print("megasas-gen2 device driver is not available, skipping test...", file=sys.stderr)
+    exit(77)
+
+for i in range(4):
+    config["QemuArgs"] += ['-device', f"megasas-gen2,id=scsi{i}"]
+
+for i in range(128):
+    id = f"drive{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "1M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        '-device',
+        f"scsi-hd,drive={id},bus=scsi{i // 32}.0,channel=0,"
+        f"scsi-id={i % 32},lun=0",
+    ]
+
+json.dump(config, sys.stdout)

test/TEST-64-UDEV-STORAGE/meson.build

@@ -1,8 +1,37 @@
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-integration_tests += [
-        integration_test_template + {
-                'name' : fs.name(meson.current_source_dir()),
-                'enabled' : false,
-        },
+name = fs.name(meson.current_source_dir())
+unit = configure_file(
+        input : files('../test.service.in'),
+        output : '@0@.service'.format(name),
+        configuration : integration_test_template['configuration'],
+)
+
+foreach testcase : [
+        'btrfs_basic',
+        'iscsi_lvm',
+        'long_sysfs_path',
+        'lvm_basic',
+        'mdadm_basic',
+        'mdadm_lvm',
+        'megasas2_basic',
+        'multipath_basic_failover',
+        'nvme_basic',
+        'nvme_subsystem',
+        'simultaneous_events',
+        'virtio_scsi_identically_named_partitions',
 ]
+        integration_tests += [
+                integration_test_template + {
+                        'name' : '@0@-@1@'.format(name, testcase),
+                        # Make sure the service is still named TEST-64-UDEV-STORAGE.service.
+                        'unit' : unit,
+                        'cmdline' : integration_test_template['cmdline'] + [
+                                'systemd.setenv=TEST_FUNCTION_NAME=testcase_@0@'.format(testcase)
+                        ],
+                        'mkosi-args' : integration_test_template['mkosi-args'] + [
+                                '--configure-script', files('@0@.configure'.format(testcase)),
+                        ],
+                },
+        ]
+endforeach