qemu: use nbdkit to serve network disks if available

For virStorageSource objects that contain an nbdkitProcess, start that
nbdkit process to serve that network drive and then pass the nbdkit
socket to qemu rather than sending the network url to qemu directly.

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>

src/qemu/qemu_block.c

@@ -438,6 +438,32 @@ qemuBlockStorageSourceGetCURLProps(virStorageSource *src,
 }
 
 
+static virJSONValue *
+qemuBlockStorageSourceGetNbdkitProps(virStorageSource *src)
+{
+    qemuDomainStorageSourcePrivate *srcPriv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
+    virJSONValue *ret = NULL;
+    g_autoptr(virJSONValue) serverprops = NULL;
+    virStorageNetHostDef host = { .transport = VIR_STORAGE_NET_HOST_TRANS_UNIX };
+
+    /* srcPriv->nbdkitProcess will already be initialized if we can use nbdkit
+     * to proxy this storage source */
+    if (!(srcPriv  && srcPriv->nbdkitProcess))
+        return NULL;
+
+    host.socket = srcPriv->nbdkitProcess->socketfile;
+    serverprops = qemuBlockStorageSourceBuildJSONSocketAddress(&host);
+
+    if (!serverprops)
+        return NULL;
+
+    if (virJSONValueObjectAdd(&ret, "a:server", &serverprops, NULL) < 0)
+        return NULL;
+
+    return ret;
+}
+
+
 static virJSONValue *
 qemuBlockStorageSourceGetISCSIProps(virStorageSource *src,
                                     bool onlytarget)
@@ -909,69 +935,75 @@ qemuBlockStorageSourceGetBackendProps(virStorageSource *src,
         return NULL;
 
     case VIR_STORAGE_TYPE_NETWORK:
-        switch ((virStorageNetProtocol) src->protocol) {
-        case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
-            driver = "gluster";
-            if (!(fileprops = qemuBlockStorageSourceGetGlusterProps(src, onlytarget)))
-                return NULL;
-            break;
-
-        case VIR_STORAGE_NET_PROTOCOL_VXHS:
-            driver = "vxhs";
-            if (!(fileprops = qemuBlockStorageSourceGetVxHSProps(src, onlytarget)))
-                return NULL;
-            break;
-
-        case VIR_STORAGE_NET_PROTOCOL_HTTP:
-        case VIR_STORAGE_NET_PROTOCOL_HTTPS:
-        case VIR_STORAGE_NET_PROTOCOL_FTP:
-        case VIR_STORAGE_NET_PROTOCOL_FTPS:
-        case VIR_STORAGE_NET_PROTOCOL_TFTP:
-            driver = virStorageNetProtocolTypeToString(src->protocol);
-            if (!(fileprops = qemuBlockStorageSourceGetCURLProps(src, onlytarget)))
-                return NULL;
-            break;
-
-        case VIR_STORAGE_NET_PROTOCOL_ISCSI:
-            driver = "iscsi";
-            if (!(fileprops = qemuBlockStorageSourceGetISCSIProps(src, onlytarget)))
-                return NULL;
-            break;
-
-        case VIR_STORAGE_NET_PROTOCOL_NBD:
+        /* prefer using nbdkit for sources that are supported */
+        if ((fileprops = qemuBlockStorageSourceGetNbdkitProps(src))) {
             driver = "nbd";
-            if (!(fileprops = qemuBlockStorageSourceGetNBDProps(src, onlytarget)))
-                return NULL;
             break;
+        } else {
+            switch ((virStorageNetProtocol) src->protocol) {
+                case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
+                    driver = "gluster";
+                    if (!(fileprops = qemuBlockStorageSourceGetGlusterProps(src, onlytarget)))
+                        return NULL;
+                    break;
 
-        case VIR_STORAGE_NET_PROTOCOL_RBD:
-            driver = "rbd";
-            if (!(fileprops = qemuBlockStorageSourceGetRBDProps(src, onlytarget)))
-                return NULL;
-            break;
+                case VIR_STORAGE_NET_PROTOCOL_VXHS:
+                    driver = "vxhs";
+                    if (!(fileprops = qemuBlockStorageSourceGetVxHSProps(src, onlytarget)))
+                        return NULL;
+                    break;
 
-        case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
-            driver = "sheepdog";
-            if (!(fileprops = qemuBlockStorageSourceGetSheepdogProps(src)))
-                return NULL;
-            break;
+                case VIR_STORAGE_NET_PROTOCOL_HTTP:
+                case VIR_STORAGE_NET_PROTOCOL_HTTPS:
+                case VIR_STORAGE_NET_PROTOCOL_FTP:
+                case VIR_STORAGE_NET_PROTOCOL_FTPS:
+                case VIR_STORAGE_NET_PROTOCOL_TFTP:
+                    driver = virStorageNetProtocolTypeToString(src->protocol);
+                    if (!(fileprops = qemuBlockStorageSourceGetCURLProps(src, onlytarget)))
+                        return NULL;
+                    break;
 
-        case VIR_STORAGE_NET_PROTOCOL_SSH:
-            driver = "ssh";
-            if (!(fileprops = qemuBlockStorageSourceGetSshProps(src)))
-                return NULL;
-            break;
+                case VIR_STORAGE_NET_PROTOCOL_ISCSI:
+                    driver = "iscsi";
+                    if (!(fileprops = qemuBlockStorageSourceGetISCSIProps(src, onlytarget)))
+                        return NULL;
+                    break;
 
-        case VIR_STORAGE_NET_PROTOCOL_NFS:
-            driver = "nfs";
-            if (!(fileprops = qemuBlockStorageSourceGetNFSProps(src)))
-                return NULL;
-            break;
+                case VIR_STORAGE_NET_PROTOCOL_NBD:
+                    driver = "nbd";
+                    if (!(fileprops = qemuBlockStorageSourceGetNBDProps(src, onlytarget)))
+                        return NULL;
+                    break;
 
-        case VIR_STORAGE_NET_PROTOCOL_NONE:
-        case VIR_STORAGE_NET_PROTOCOL_LAST:
-            virReportEnumRangeError(virStorageNetProtocol, src->protocol);
-            return NULL;
+                case VIR_STORAGE_NET_PROTOCOL_RBD:
+                    driver = "rbd";
+                    if (!(fileprops = qemuBlockStorageSourceGetRBDProps(src, onlytarget)))
+                        return NULL;
+                    break;
+
+                case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
+                    driver = "sheepdog";
+                    if (!(fileprops = qemuBlockStorageSourceGetSheepdogProps(src)))
+                        return NULL;
+                    break;
+
+                case VIR_STORAGE_NET_PROTOCOL_SSH:
+                    driver = "ssh";
+                    if (!(fileprops = qemuBlockStorageSourceGetSshProps(src)))
+                        return NULL;
+                    break;
+
+                case VIR_STORAGE_NET_PROTOCOL_NFS:
+                    driver = "nfs";
+                    if (!(fileprops = qemuBlockStorageSourceGetNFSProps(src)))
+                        return NULL;
+                    break;
+
+                case VIR_STORAGE_NET_PROTOCOL_NONE:
+                case VIR_STORAGE_NET_PROTOCOL_LAST:
+                    virReportEnumRangeError(virStorageNetProtocol, src->protocol);
+                    return NULL;
+            }
         }
         break;
     }
@@ -2280,6 +2312,7 @@ qemuBlockStorageSourceCreateGetStorageProps(virStorageSource *src,
     g_autoptr(virJSONValue) location = NULL;
     const char *driver = NULL;
     const char *filename = NULL;
+    qemuDomainStorageSourcePrivate *srcPriv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
 
     switch (actualType) {
     case VIR_STORAGE_TYPE_FILE:
@@ -2308,6 +2341,13 @@ qemuBlockStorageSourceCreateGetStorageProps(virStorageSource *src,
             break;
 
         case VIR_STORAGE_NET_PROTOCOL_SSH:
+            if (srcPriv->nbdkitProcess) {
+                /* disk creation not yet supported with nbdkit, and even if it
+                 * was supported, it would not be done with blockdev-create
+                 * props */
+                return 0;
+            }
+
             driver = "ssh";
             if (!(location = qemuBlockStorageSourceGetSshProps(src)))
                 return -1;

src/qemu/qemu_domain.c

@@ -11155,9 +11155,14 @@ qemuDomainPrepareStorageSourceBlockdevNodename(virDomainDiskDef *disk,
     if (qemuDomainSecretStorageSourcePrepareEncryption(priv, src,
                                                        src->nodeformat) < 0)
         return -1;
-    if (qemuDomainSecretStorageSourcePrepareAuth(priv, src,
-                                                 src->nodestorage) < 0)
-        return -1;
+
+    if (!qemuDomainPrepareStorageSourceNbdkit(src, cfg, src->nodestorage, priv)) {
+        /* If we're using nbdkit to serve the storage source, we don't pass
+         * authentication secrets to qemu, but will pass them to nbdkit instead */
+        if (qemuDomainSecretStorageSourcePrepareAuth(priv, src,
+                                                     src->nodestorage) < 0)
+            return -1;
+    }
 
     if (qemuDomainPrepareStorageSourcePR(src, priv, src->nodestorage) < 0)
         return -1;
@@ -11172,8 +11177,6 @@ qemuDomainPrepareStorageSourceBlockdevNodename(virDomainDiskDef *disk,
     if (qemuDomainPrepareStorageSourceFDs(src, priv) < 0)
         return -1;
 
-    qemuDomainPrepareStorageSourceNbdkit(src, cfg, src->nodestorage, priv);
-
     return 0;
 }
 

src/qemu/qemu_extdevice.c

@@ -232,6 +232,17 @@ qemuExtDevicesStart(virQEMUDriver *driver,
             return -1;
     }
 
+    for (i = 0; i < def->ndisks; i++) {
+        virDomainDiskDef *disk = def->disks[i];
+        if (qemuNbdkitStartStorageSource(driver, vm, disk->src) < 0)
+            return -1;
+    }
+
+    if (def->os.loader && def->os.loader->nvram) {
+        if (qemuNbdkitStartStorageSource(driver, vm, def->os.loader->nvram) < 0)
+            return -1;
+    }
+
     return 0;
 }
 
@@ -283,6 +294,14 @@ qemuExtDevicesStop(virQEMUDriver *driver,
             fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_VIRTIOFS)
             qemuVirtioFSStop(driver, vm, fs);
     }
+
+    for (i = 0; i < def->ndisks; i++) {
+        virDomainDiskDef *disk = def->disks[i];
+        qemuNbdkitStopStorageSource(disk->src);
+    }
+
+    if (def->os.loader && def->os.loader->nvram)
+        qemuNbdkitStopStorageSource(def->os.loader->nvram);
 }
 
 
@@ -319,10 +338,42 @@ qemuExtDevicesHasDevice(virDomainDef *def)
             return true;
     }
 
+    for (i = 0; i < def->ndisks; i++) {
+        virDomainDiskDef *disk = def->disks[i];
+        virStorageSource *backing;
+
+        for (backing = disk->src; backing; backing = backing->backingStore) {
+            qemuDomainStorageSourcePrivate* priv =
+                QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(backing);
+            if (priv && priv->nbdkitProcess)
+                return true;
+        }
+    }
+
+
     return false;
 }
 
 
+/* recursively setup nbdkit cgroups for backing chain of src */
+static int
+qemuExtDevicesSetupCgroupNbdkit(virStorageSource *src,
+                                virCgroup *cgroup)
+{
+    virStorageSource *backing;
+
+    for (backing = src; backing; backing = backing->backingStore) {
+        qemuDomainStorageSourcePrivate *priv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
+
+        if (priv && priv->nbdkitProcess &&
+            qemuNbdkitProcessSetupCgroup(priv->nbdkitProcess, cgroup) < 0)
+            return -1;
+    }
+
+    return 0;
+}
+
+
 int
 qemuExtDevicesSetupCgroup(virQEMUDriver *driver,
                           virDomainObj *vm,
@@ -365,6 +416,17 @@ qemuExtDevicesSetupCgroup(virQEMUDriver *driver,
             return -1;
     }
 
+    for (i = 0; i < def->ndisks; i++) {
+        virDomainDiskDef *disk = def->disks[i];
+        if (qemuExtDevicesSetupCgroupNbdkit(disk->src, cgroup) < 0)
+            return -1;
+    }
+
+    if (def->os.loader && def->os.loader->nvram) {
+        if (qemuExtDevicesSetupCgroupNbdkit(def->os.loader->nvram, cgroup) < 0)
+            return -1;
+    }
+
     for (i = 0; i < def->nfss; i++) {
         virDomainFSDef *fs = def->fss[i];
 

src/qemu/qemu_hotplug.c

@@ -1010,6 +1010,9 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriver *driver,
     if (qemuHotplugAttachManagedPR(vm, disk->src, VIR_ASYNC_JOB_NONE) < 0)
         goto cleanup;
 
+    if (qemuNbdkitStartStorageSource(driver, vm, disk->src) < 0)
+        goto cleanup;
+
     ret = qemuDomainAttachDiskGeneric(vm, disk, VIR_ASYNC_JOB_NONE);
 
     virDomainAuditDisk(vm, NULL, disk->src, "attach", ret == 0);
@@ -1032,6 +1035,8 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriver *driver,
 
         if (virStorageSourceChainHasManagedPR(disk->src))
             ignore_value(qemuHotplugRemoveManagedPR(vm, VIR_ASYNC_JOB_NONE));
+
+        qemuNbdkitStopStorageSource(disk->src);
     }
     qemuDomainSecretDiskDestroy(disk);
     qemuDomainCleanupStorageSourceFD(disk->src);
@@ -4492,6 +4497,8 @@ qemuDomainRemoveDiskDevice(virQEMUDriver *driver,
         qemuHotplugRemoveManagedPR(vm, VIR_ASYNC_JOB_NONE) < 0)
         goto cleanup;
 
+    qemuNbdkitStopStorageSource(disk->src);
+
     if (disk->transient) {
         VIR_DEBUG("Removing transient overlay '%s' of disk '%s'",
                   disk->src->path, disk->dst);

src/qemu/qemu_nbdkit.c

@@ -752,6 +752,40 @@ qemuNbdkitInitStorageSource(qemuNbdkitCaps *caps,
 }
 
 
+int
+qemuNbdkitStartStorageSource(virQEMUDriver *driver,
+                             virDomainObj *vm,
+                             virStorageSource *src)
+{
+    virStorageSource *backing;
+
+    for (backing = src; backing != NULL; backing = backing->backingStore) {
+        qemuDomainStorageSourcePrivate *priv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
+
+        if (priv && priv->nbdkitProcess &&
+            qemuNbdkitProcessStart(priv->nbdkitProcess, vm, driver) < 0)
+            return -1;
+    }
+
+    return 0;
+}
+
+
+void
+qemuNbdkitStopStorageSource(virStorageSource *src)
+{
+    virStorageSource *backing;
+
+    for (backing = src; backing != NULL; backing = backing->backingStore) {
+        qemuDomainStorageSourcePrivate *priv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(src);
+
+        if (priv && priv->nbdkitProcess &&
+            qemuNbdkitProcessStop(priv->nbdkitProcess) < 0)
+            VIR_WARN("Unable to stop nbdkit for storage source '%s'", src->nodestorage);
+    }
+}
+
+
 static int
 qemuNbdkitCommandPassDataByPipe(virCommand *cmd,
                                 const char *argName,
@@ -939,6 +973,14 @@ qemuNbdkitProcessFree(qemuNbdkitProcess *proc)
 }
 
 
+int
+qemuNbdkitProcessSetupCgroup(qemuNbdkitProcess *proc,
+                             virCgroup *cgroup)
+{
+    return virCgroupAddProcess(cgroup, proc->pid);
+}
+
+
 int
 qemuNbdkitProcessStart(qemuNbdkitProcess *proc,
                        virDomainObj *vm,

src/qemu/qemu_nbdkit.h

@@ -21,6 +21,7 @@
 
 #include "internal.h"
 #include "storage_source_conf.h"
+#include "vircgroup.h"
 #include "virenum.h"
 #include "virfilecache.h"
 
@@ -59,6 +60,14 @@ qemuNbdkitReconnectStorageSource(virStorageSource *source,
                                  const char *pidfile,
                                  const char *socketfile);
 
+int
+qemuNbdkitStartStorageSource(virQEMUDriver *driver,
+                             virDomainObj *vm,
+                             virStorageSource *src);
+
+void
+qemuNbdkitStopStorageSource(virStorageSource *src);
+
 void
 qemuNbdkitStorageSourceManageProcess(virStorageSource *src);
 
@@ -95,4 +104,8 @@ qemuNbdkitProcessStop(qemuNbdkitProcess *proc);
 void
 qemuNbdkitProcessFree(qemuNbdkitProcess *proc);
 
+int
+qemuNbdkitProcessSetupCgroup(qemuNbdkitProcess *proc,
+                             virCgroup *cgroup);
+
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuNbdkitProcess, qemuNbdkitProcessFree);

tests/qemuxml2argvdata/disk-cdrom-network-nbdkit.x86_64-latest.args

@@ -0,0 +1,42 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=on \
+-accel kvm \
+-cpu qemu64 \
+-m size=1048576k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":1073741824}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-3-storage.socket"},"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw","file":"libvirt-3-storage"}' \
+-device '{"driver":"ide-cd","bus":"ide.0","unit":0,"drive":"libvirt-3-format","id":"ide0-0-0","bootindex":1}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-2-storage.socket"},"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw","file":"libvirt-2-storage"}' \
+-device '{"driver":"ide-cd","bus":"ide.0","unit":1,"drive":"libvirt-2-format","id":"ide0-0-1"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-1-storage.socket"},"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw","file":"libvirt-1-storage"}' \
+-device '{"driver":"ide-cd","bus":"ide.1","unit":0,"drive":"libvirt-1-format","id":"ide0-1-0"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-cdrom-network-nbdkit.xml

@@ -0,0 +1 @@
+disk-cdrom-network.xml

tests/qemuxml2argvdata/disk-network-http-nbdkit.x86_64-latest.args

@@ -0,0 +1,44 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel kvm \
+-cpu qemu64 \
+-m size=219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-4-storage.socket"},"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"raw","file":"libvirt-4-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x2","drive":"libvirt-4-format","id":"virtio-disk0","bootindex":1}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-3-storage.socket"},"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":false,"driver":"raw","file":"libvirt-3-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x3","drive":"libvirt-3-format","id":"virtio-disk1"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-2-storage.socket"},"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":false,"driver":"raw","file":"libvirt-2-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x4","drive":"libvirt-2-format","id":"virtio-disk2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-1-storage.socket"},"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw","file":"libvirt-1-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x5","drive":"libvirt-1-format","id":"virtio-disk3"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-network-http-nbdkit.xml

@@ -0,0 +1 @@
+disk-network-http.xml

tests/qemuxml2argvdata/disk-network-source-curl-nbdkit-backing.x86_64-latest.args

@@ -0,0 +1,37 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel tcg \
+-cpu qemu64 \
+-m size=219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-2-storage.socket"},"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"qcow2","file":"libvirt-2-storage"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-1-storage.socket"},"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"qcow2","file":"libvirt-1-storage","backing":"libvirt-2-format"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x2","drive":"libvirt-1-format","id":"virtio-disk0","bootindex":1}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-network-source-curl-nbdkit-backing.xml

@@ -0,0 +1,45 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='network' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source protocol='https' name='path/to/disk1.qcow2'>
+        <host name='https.example.org' port='8443'/>
+        <cookies>
+            <cookie name='cookie1'>cookievalue1</cookie>
+            <cookie name='cookie2'>cookievalue2</cookie>
+        </cookies>
+      </source>
+      <backingStore type='network'>
+          <format type='qcow2'/>
+          <source protocol='https' name='path/to/backing.qcow2'>
+              <host name='https.example2.org' port='8444'/>
+              <cookies>
+                  <cookie name='cookie3'>cookievalue3</cookie>
+                  <cookie name='cookie4'>cookievalue4</cookie>
+              </cookies>
+          </source>
+      </backingStore>
+      <target dev='vda' bus='virtio'/>
+      <readonly/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>

tests/qemuxml2argvdata/disk-network-source-curl-nbdkit.x86_64-latest.args

@@ -0,0 +1,49 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel tcg \
+-cpu qemu64 \
+-m size=219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-device '{"driver":"ahci","id":"sata0","bus":"pci.0","addr":"0x2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-5-storage.socket"},"node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":true,"driver":"raw","file":"libvirt-5-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x3","drive":"libvirt-5-format","id":"virtio-disk0","bootindex":1}' \
+-object '{"qom-type":"secret","id":"libvirt-4-format-encryption-secret0","data":"9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1","keyid":"masterKey0","iv":"AAECAwQFBgcICQoLDA0ODw==","format":"base64"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-4-storage.socket"},"node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"luks","key-secret":"libvirt-4-format-encryption-secret0","file":"libvirt-4-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x4","drive":"libvirt-4-format","id":"virtio-disk4"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-3-storage.socket"},"node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw","file":"libvirt-3-storage"}' \
+-device '{"driver":"ide-cd","bus":"sata0.1","drive":"libvirt-3-format","id":"sata0-0-1"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-2-storage.socket"},"node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw","file":"libvirt-2-storage"}' \
+-device '{"driver":"ide-cd","bus":"sata0.2","drive":"libvirt-2-format","id":"sata0-0-2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-1-storage.socket"},"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw","file":"libvirt-1-storage"}' \
+-device '{"driver":"ide-cd","bus":"sata0.3","drive":"libvirt-1-format","id":"sata0-0-3"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-network-source-curl-nbdkit.xml

@@ -0,0 +1 @@
+disk-network-source-curl.xml

tests/qemuxml2argvdata/disk-network-source-curl.x86_64-latest.args

@@ -0,0 +1,52 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel tcg \
+-cpu qemu64 \
+-m size=219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-device '{"driver":"ahci","id":"sata0","bus":"pci.0","addr":"0x2"}' \
+-object '{"qom-type":"secret","id":"libvirt-5-storage-httpcookie-secret0","data":"BUU0KmnWfonHdjzhYhwVQZ5iTI1KweTJ22q8XWUVoBCVu1z70reDuczPBIabZtC3","keyid":"masterKey0","iv":"AAECAwQFBgcICQoLDA0ODw==","format":"base64"}' \
+-blockdev '{"driver":"https","url":"https://https.example.org:8443/path/to/disk1.iso","cookie-secret":"libvirt-5-storage-httpcookie-secret0","node-name":"libvirt-5-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-5-format","read-only":true,"driver":"raw","file":"libvirt-5-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x3","drive":"libvirt-5-format","id":"virtio-disk0","bootindex":1}' \
+-object '{"qom-type":"secret","id":"libvirt-4-storage-httpcookie-secret0","data":"BUU0KmnWfonHdjzhYhwVQZ5iTI1KweTJ22q8XWUVoBCVu1z70reDuczPBIabZtC3","keyid":"masterKey0","iv":"AAECAwQFBgcICQoLDA0ODw==","format":"base64"}' \
+-object '{"qom-type":"secret","id":"libvirt-4-format-encryption-secret0","data":"9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1","keyid":"masterKey0","iv":"AAECAwQFBgcICQoLDA0ODw==","format":"base64"}' \
+-blockdev '{"driver":"https","url":"https://https.example.org:8443/path/to/disk5.iso?foo=bar","sslverify":false,"cookie-secret":"libvirt-4-storage-httpcookie-secret0","node-name":"libvirt-4-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-4-format","read-only":false,"driver":"luks","key-secret":"libvirt-4-format-encryption-secret0","file":"libvirt-4-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x4","drive":"libvirt-4-format","id":"virtio-disk4"}' \
+-object '{"qom-type":"secret","id":"libvirt-3-storage-httpcookie-secret0","data":"BUU0KmnWfonHdjzhYhwVQZ5iTI1KweTJ22q8XWUVoBBv7TuTgTkyAyOPpC2P5qLbOIypLoHpppjz+u5O+X8oT+jA1m7q/OJQ8dk2EFD5c0A=","keyid":"masterKey0","iv":"AAECAwQFBgcICQoLDA0ODw==","format":"base64"}' \
+-blockdev '{"driver":"http","url":"http://http.example.org:8080/path/to/disk2.iso","cookie-secret":"libvirt-3-storage-httpcookie-secret0","node-name":"libvirt-3-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-3-format","read-only":true,"driver":"raw","file":"libvirt-3-storage"}' \
+-device '{"driver":"ide-cd","bus":"sata0.1","drive":"libvirt-3-format","id":"sata0-0-1"}' \
+-blockdev '{"driver":"ftp","url":"ftp://ftp.example.org:20/path/to/disk3.iso","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-2-format","read-only":true,"driver":"raw","file":"libvirt-2-storage"}' \
+-device '{"driver":"ide-cd","bus":"sata0.2","drive":"libvirt-2-format","id":"sata0-0-2"}' \
+-blockdev '{"driver":"ftps","url":"ftps://ftps.example.org:22/path/to/disk4.iso","node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":true,"driver":"raw","file":"libvirt-1-storage"}' \
+-device '{"driver":"ide-cd","bus":"sata0.3","drive":"libvirt-1-format","id":"sata0-0-3"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-network-source-curl.xml

@@ -0,0 +1,71 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='network' device='disk'>
+      <source protocol='https' name='path/to/disk1.iso'>
+        <host name='https.example.org' port='8443'/>
+        <cookies>
+            <cookie name='cookie1'>cookievalue1</cookie>
+            <cookie name='cookie2'>cookievalue2</cookie>
+        </cookies>
+      </source>
+      <target dev='vda' bus='virtio'/>
+      <readonly/>
+    </disk>
+    <disk type='network' device='cdrom'>
+        <source protocol='http' name='path/to/disk2.iso'>
+        <host name='http.example.org' port='8080'/>
+        <cookies>
+            <cookie name='cookie1'>cookievalue1</cookie>
+            <cookie name='cookie2'>cookievalue2</cookie>
+            <cookie name='cookie3'>cookievalue3</cookie>
+        </cookies>
+      </source>
+      <target dev='hdb' bus='sata'/>
+    </disk>
+    <disk type='network' device='cdrom'>
+        <source protocol='ftp' name='path/to/disk3.iso'>
+        <host name='ftp.example.org' port='20'/>
+      </source>
+      <target dev='hdc' bus='sata'/>
+    </disk>
+    <disk type='network' device='cdrom'>
+        <source protocol='ftps' name='path/to/disk4.iso'>
+        <host name='ftps.example.org' port='22'/>
+      </source>
+      <target dev='hdd' bus='sata'/>
+    </disk>
+    <disk type='network' device='disk'>
+      <source protocol='https' name='path/to/disk5.iso' query='foo=bar'>
+        <host name='https.example.org' port='8443'/>
+        <ssl verify='no'/>
+        <cookies>
+            <cookie name='cookie1'>cookievalue1</cookie>
+            <cookie name='cookie2'>cookievalue2</cookie>
+        </cookies>
+        <encryption format='luks'>
+          <secret type='passphrase' uuid='1148b693-0843-4cef-9f97-8feb4e1ae365'/>
+        </encryption>
+      </source>
+      <target dev='vde' bus='virtio'/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>

tests/qemuxml2argvdata/disk-network-ssh-nbdkit.x86_64-latest.args

@@ -0,0 +1,35 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-x86_64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine pc,usb=off,dump-guest-core=off,memory-backend=pc.ram,acpi=off \
+-accel kvm \
+-cpu qemu64 \
+-m size=219136k \
+-object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":224395264}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-device '{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.0","addr":"0x1.0x2"}' \
+-blockdev '{"driver":"nbd","server":{"type":"unix","path":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/nbdkit-libvirt-1-storage.socket"},"node-name":"libvirt-1-storage","auto-read-only":true,"discard":"unmap"}' \
+-blockdev '{"node-name":"libvirt-1-format","read-only":false,"driver":"raw","file":"libvirt-1-storage"}' \
+-device '{"driver":"virtio-blk-pci","bus":"pci.0","addr":"0x2","drive":"libvirt-1-format","id":"virtio-disk0","bootindex":1}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvdata/disk-network-ssh-nbdkit.xml

@@ -0,0 +1 @@
+disk-network-ssh.xml

tests/qemuxml2argvtest.c

@@ -1110,6 +1110,7 @@ mymain(void)
     DO_TEST_CAPS_LATEST("disk-cdrom-empty-network-invalid");
     DO_TEST_CAPS_LATEST("disk-cdrom-bus-other");
     DO_TEST_CAPS_LATEST("disk-cdrom-network");
+    DO_TEST_CAPS_LATEST_NBDKIT("disk-cdrom-network-nbdkit", QEMU_NBDKIT_CAPS_PLUGIN_CURL);
     DO_TEST_CAPS_LATEST("disk-cdrom-tray");
     DO_TEST_CAPS_LATEST("disk-floppy");
     DO_TEST_CAPS_LATEST("disk-floppy-q35");
@@ -1154,6 +1155,9 @@ mymain(void)
     /* qemu-6.0 is the last qemu version supporting sheepdog */
     DO_TEST_CAPS_VER("disk-network-sheepdog", "6.0.0");
     DO_TEST_CAPS_LATEST("disk-network-source-auth");
+    DO_TEST_CAPS_LATEST("disk-network-source-curl");
+    DO_TEST_CAPS_LATEST_NBDKIT("disk-network-source-curl-nbdkit", QEMU_NBDKIT_CAPS_PLUGIN_CURL);
+    DO_TEST_CAPS_LATEST_NBDKIT("disk-network-source-curl-nbdkit-backing", QEMU_NBDKIT_CAPS_PLUGIN_CURL);
     DO_TEST_CAPS_LATEST("disk-network-nfs");
     driver.config->vxhsTLS = 1;
     driver.config->nbdTLSx509secretUUID = g_strdup("6fd3f62d-9fe7-4a4e-a869-7acd6376d8ea");
@@ -1164,10 +1168,12 @@ mymain(void)
     DO_TEST_CAPS_LATEST("disk-network-tlsx509-nbd-hostname");
     DO_TEST_CAPS_VER("disk-network-tlsx509-vxhs", "5.0.0");
     DO_TEST_CAPS_LATEST("disk-network-http");
+    DO_TEST_CAPS_LATEST_NBDKIT("disk-network-http-nbdkit", QEMU_NBDKIT_CAPS_PLUGIN_CURL);
     VIR_FREE(driver.config->nbdTLSx509secretUUID);
     VIR_FREE(driver.config->vxhsTLSx509secretUUID);
     driver.config->vxhsTLS = 0;
     DO_TEST_CAPS_LATEST("disk-network-ssh");
+    DO_TEST_CAPS_LATEST_NBDKIT("disk-network-ssh-nbdkit", QEMU_NBDKIT_CAPS_PLUGIN_SSH);
     DO_TEST_CAPS_LATEST("disk-no-boot");
     DO_TEST_CAPS_LATEST("disk-nvme");
     DO_TEST_CAPS_VER("disk-vhostuser-numa", "4.2.0");