Signed-off-by: Han Han <hhan@xxxxxxxxxx> --- docs/formatdomain.rst | 16 ++++++++++++ src/conf/domain_conf.c | 47 +++++++++++++++++++++++++++++++--- src/conf/storage_source_conf.c | 2 ++ src/conf/storage_source_conf.h | 1 + 4 files changed, 62 insertions(+), 4 deletions(-) diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst index aa7bb8da14..cb3914d1bb 100644 --- a/docs/formatdomain.rst +++ b/docs/formatdomain.rst @@ -2479,6 +2479,16 @@ paravirtualized driver is specified via the ``disk`` element. </source> <target dev='vdf' bus='virtio'/> </disk> + <disk type='network'> + <driver name="qemu" type="raw"/> + <source protocol="rbd" name="pool/namespace/image"> + <host name="hostname" port="7000"/> + <auth username='myuser'> + <secret type='ceph' usage='mypassid'/> + </auth> + </source> + <target dev="vdg" bus="virtio"/> + </disk> </devices> ... @@ -2570,6 +2580,12 @@ paravirtualized driver is specified via the ``disk`` element. the host by the ``nbd_tls`` and ``nbd_tls_x509_cert_dir`` in /etc/libvirt/qemu.conf. ('tls' :since:`Since 4.5.0` ) + For "rbd", the ``name`` attribute could be two formats: the format of + ``pool_name/image_name`` includes the rbd pool name and image name with + default rbd pool namespace; for the customized namespace, the format is + ``pool_name/namespace/image_name`` ( :since:`Since 6.9.0 and QEMU 5.0` ). + The pool name, namespace and image are separated by slash. + For protocols ``http`` and ``https`` an optional attribute ``query`` specifies the query string. ( :since:`Since 6.2.0` ) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 6d90041bf8..eac59dd00e 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -8197,6 +8197,7 @@ virDomainDiskSourceNetworkParse(xmlNodePtr node, { virStorageNetProtocol protocol; xmlNodePtr tmpnode; + char **tmp_split_paths; if (virXMLPropEnum(node, "protocol", virStorageNetProtocolTypeFromString, VIR_XML_PROP_REQUIRED, &protocol) < 0) @@ -8226,8 +8227,7 @@ virDomainDiskSourceNetworkParse(xmlNodePtr node, /* for historical reasons we store the volume and image name in one XML * element although it complicates thing when attempting to access them. */ if (src->path && - (src->protocol == VIR_STORAGE_NET_PROTOCOL_GLUSTER || - src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD)) { + src->protocol == VIR_STORAGE_NET_PROTOCOL_GLUSTER) { char *tmp; if (!(tmp = strchr(src->path, '/')) || tmp == src->path) { @@ -8244,6 +8244,41 @@ virDomainDiskSourceNetworkParse(xmlNodePtr node, tmp[0] = '\0'; } + /* the name of rbd could be <pool>/<image> or <pool>/<namespace>/<image> */ + if (src->path && + src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD && + (tmp_split_paths = g_strsplit(src->path, "/", 3))) { + if (virStringIsEmpty(tmp_split_paths[0]) || + !tmp_split_paths[1] || + STREQ_NULLABLE(tmp_split_paths[2], "") || + (virStringIsEmpty(tmp_split_paths[1]) && + !tmp_split_paths[2])) { + virStringListFreeCount(tmp_split_paths, 3); + virReportError(VIR_ERR_XML_ERROR, + _("can't split path '%s' into pool name, pool " + "namespace, image name OR pool name, image name"), + src->path); + return -1; + } + + VIR_FREE(src->path); + src->volume = g_strdup(tmp_split_paths[0]); + /* the format of <pool>/<image> */ + if (!tmp_split_paths[2]) + src->path = g_strdup(tmp_split_paths[1]); + + if (tmp_split_paths[2]) { + /* the format of <pool>/<ns>/<image> */ + if (STRNEQ_NULLABLE(tmp_split_paths[1], "")) + src->ns = g_strdup(tmp_split_paths[1]); + + /* the format of <pool>//<image> */ + src->path = g_strdup(tmp_split_paths[2]); + } + + virStringListFreeCount(tmp_split_paths, 3); + } + /* snapshot currently works only for remote disks */ src->snapshot = virXPathString("string(./snapshot/@name)", ctxt); @@ -22948,8 +22983,12 @@ virDomainDiskSourceFormatNetwork(virBuffer *attrBuf, virBufferAsprintf(attrBuf, " protocol='%s'", virStorageNetProtocolTypeToString(src->protocol)); - if (src->volume) - path = g_strdup_printf("%s/%s", src->volume, src->path); + if (src->volume) { + if (src->ns) + path = g_strdup_printf("%s/%s/%s", src->volume, src->ns, src->path); + else + path = g_strdup_printf("%s/%s", src->volume, src->path); + } virBufferEscapeString(attrBuf, " name='%s'", path ? path : src->path); virBufferEscapeString(attrBuf, " query='%s'", src->query); diff --git a/src/conf/storage_source_conf.c b/src/conf/storage_source_conf.c index 5ca06fa30a..7b765d0d81 100644 --- a/src/conf/storage_source_conf.c +++ b/src/conf/storage_source_conf.c @@ -829,6 +829,7 @@ virStorageSourceCopy(const virStorageSource *src, def->path = g_strdup(src->path); def->volume = g_strdup(src->volume); + def->ns = g_strdup(src->ns); def->relPath = g_strdup(src->relPath); def->backingStoreRaw = g_strdup(src->backingStoreRaw); def->backingStoreRawFormat = src->backingStoreRawFormat; @@ -1115,6 +1116,7 @@ virStorageSourceClear(virStorageSource *def) VIR_FREE(def->path); VIR_FREE(def->volume); + VIR_FREE(def->ns); VIR_FREE(def->snapshot); VIR_FREE(def->configFile); VIR_FREE(def->query); diff --git a/src/conf/storage_source_conf.h b/src/conf/storage_source_conf.h index 389c7b56d1..dcc643ceba 100644 --- a/src/conf/storage_source_conf.h +++ b/src/conf/storage_source_conf.h @@ -275,6 +275,7 @@ struct _virStorageSource { char *snapshot; /* for storage systems supporting internal snapshots */ char *configFile; /* some storage systems use config file as part of the source definition */ + char *ns; /* for the storage systems supporting namespace */ char *query; /* query string for HTTP based protocols */ size_t nhosts; virStorageNetHostDef *hosts; -- 2.31.1