cfg2cmd: add btrfs-store and test for cache mode

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

test/cfg2cmd/simple-btrfs.conf

@@ -0,0 +1,15 @@
+# TEST: Simple test for a BTRFS backed VM, which shouldn't use cache=none like other storages
+# QEMU_VERSION: 6.0
+bootdisk: scsi0
+cores: 3
+ide2: none,media=cdrom
+memory: 768
+name: simple
+net0: virtio=A2:C0:43:77:08:A0,bridge=vmbr0
+numa: 0
+ostype: l26
+scsi0: btrfs-store:8006/vm-8006-disk-0.raw,discard=on,size=104858K
+scsihw: virtio-scsi-pci
+smbios1: uuid=7b10d7af-b932-4c66-b2c3-3996152ec465
+sockets: 1
+vmgenid: c773c261-d800-4348-1010-1010add53cf8

test/cfg2cmd/simple-btrfs.conf.cmd

@@ -0,0 +1,33 @@
+/usr/bin/kvm \
+  -id 8006 \
+  -name simple \
+  -no-shutdown \
+  -chardev 'socket,id=qmp,path=/var/run/qemu-server/8006.qmp,server=on,wait=off' \
+  -mon 'chardev=qmp,mode=control' \
+  -chardev 'socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5' \
+  -mon 'chardev=qmp-event,mode=control' \
+  -pidfile /var/run/qemu-server/8006.pid \
+  -daemonize \
+  -smbios 'type=1,uuid=7b10d7af-b932-4c66-b2c3-3996152ec465' \
+  -smp '3,sockets=1,cores=3,maxcpus=3' \
+  -nodefaults \
+  -boot 'menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg' \
+  -vnc 'unix:/var/run/qemu-server/8006.vnc,password=on' \
+  -cpu kvm64,enforce,+kvm_pv_eoi,+kvm_pv_unhalt,+lahf_lm,+sep \
+  -m 768 \
+  -device 'pci-bridge,id=pci.1,chassis_nr=1,bus=pci.0,addr=0x1e' \
+  -device 'pci-bridge,id=pci.2,chassis_nr=2,bus=pci.0,addr=0x1f' \
+  -device 'vmgenid,guid=c773c261-d800-4348-1010-1010add53cf8' \
+  -device 'piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2' \
+  -device 'usb-tablet,id=tablet,bus=uhci.0,port=1' \
+  -device 'VGA,id=vga,bus=pci.0,addr=0x2' \
+  -device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' \
+  -iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
+  -drive 'if=none,id=drive-ide2,media=cdrom,aio=io_uring' \
+  -device 'ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200' \
+  -device 'virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5' \
+  -drive 'file=/butter/bread/images/8006/vm-8006-disk-0/disk.raw,if=none,id=drive-scsi0,discard=on,format=raw,aio=io_uring,detect-zeroes=unmap' \
+  -device 'scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=100' \
+  -netdev 'type=tap,id=net0,ifname=tap8006i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on' \
+  -device 'virtio-net-pci,mac=A2:C0:43:77:08:A0,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300' \
+  -machine 'type=pc+pve0'

test/run_config2command_tests.pl

@@ -30,6 +30,13 @@ my $base_env = {
 		type => 'dir',
 		shared => 0,
 	    },
+	    'btrfs-store' => {
+		content => {
+		    images => 1,
+		},
+		path => '/butter/bread',
+		type => 'btrfs',
+	    },
 	    'cifs-store' => {
 		shared => 1,
 		path => '/mnt/pve/cifs-store',