From nobody Sun Feb 8 19:54:50 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 154776018098750.3243476236911; Thu, 17 Jan 2019 13:23:00 -0800 (PST) Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0413B18DF7C; Thu, 17 Jan 2019 21:22:59 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BFE3719741; Thu, 17 Jan 2019 21:22:58 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 7AFAF3F608; Thu, 17 Jan 2019 21:22:58 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id x0HLMQUL004130 for ; Thu, 17 Jan 2019 16:22:26 -0500 Received: by smtp.corp.redhat.com (Postfix) id A664B60BE8; Thu, 17 Jan 2019 21:22:26 +0000 (UTC) Received: from unknown0050b6a41c42.attlocal.net.com (ovpn-116-60.phx2.redhat.com [10.3.116.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6003260BE5 for ; Thu, 17 Jan 2019 21:22:25 +0000 (UTC) From: John Ferlan To: libvir-list@redhat.com Date: Thu, 17 Jan 2019 16:22:13 -0500 Message-Id: <20190117212216.28316-8-jferlan@redhat.com> In-Reply-To: <20190117212216.28316-1-jferlan@redhat.com> References: <20190117212216.28316-1-jferlan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH v4 07/10] nfs: Add infrastructure to manage XML namespace options X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 17 Jan 2019 21:22:59 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Introduce the virStoragePoolNetFSMountOptionsDef to be used to manage the NFS Storage Pool XML Namespace for mount options. Using a new virStorageBackendNamespaceInit function, set the virStoragePoolXMLNamespace into the _virStoragePoolOptions when the storage backend is loaded. Signed-off-by: John Ferlan Reviewed-by: Daniel P. Berrang=C3=A9 --- src/storage/storage_backend_fs.c | 128 +++++++++++++++++++++++++++++++ src/storage/storage_util.c | 16 ++++ src/storage/storage_util.h | 14 ++++ 3 files changed, 158 insertions(+) diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend= _fs.c index dc9869417e..b82215fcdb 100644 --- a/src/storage/storage_backend_fs.c +++ b/src/storage/storage_backend_fs.c @@ -41,6 +41,7 @@ VIR_LOG_INIT("storage.storage_backend_fs"); =20 #if WITH_STORAGE_FS =20 +# include # include =20 struct _virNetfsDiscoverState { @@ -559,6 +560,122 @@ virStorageBackendFileSystemBuild(virStoragePoolObjPtr= pool, } =20 =20 +#if WITH_STORAGE_FS + +# define STORAGE_POOL_NETFS_NAMESPACE_HREF "http://libvirt.org/schemas/sto= ragepool/source/netfs/1.0" + +/* NetFS backend XML Namespace handling for nfs specific mount options to + * be added to the mount -o {options_list} command line. The XML will use + * the format, such as: + * + * + * + * + * + * + * and the is required to have a "xmlns:netfs=3D'%s'" + * attribute using the STORAGE_POOL_NETFS_NAMESPACE_HREF + */ + +static void +virStoragePoolDefNetFSNamespaceFree(void *nsdata) +{ + virStoragePoolNetFSMountOptionsDefPtr cmdopts =3D nsdata; + size_t i; + + if (!cmdopts) + return; + + for (i =3D 0; i < cmdopts->noptions; i++) + VIR_FREE(cmdopts->options[i]); + VIR_FREE(cmdopts->options); + + VIR_FREE(cmdopts); +} + + +static int +virStoragePoolDefNetFSNamespaceParse(xmlXPathContextPtr ctxt, + void **data) +{ + virStoragePoolNetFSMountOptionsDefPtr cmdopts =3D NULL; + xmlNodePtr *nodes =3D NULL; + int nnodes; + size_t i; + int ret =3D -1; + + if (xmlXPathRegisterNs(ctxt, BAD_CAST "netfs", + BAD_CAST STORAGE_POOL_NETFS_NAMESPACE_HREF) < 0= ) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("Failed to register xml namespace '%s'"), + STORAGE_POOL_NETFS_NAMESPACE_HREF); + return -1; + } + + nnodes =3D virXPathNodeSet("./netfs:mount_opts/netfs:option", ctxt, &n= odes); + if (nnodes < 0) + return -1; + + if (nnodes =3D=3D 0) + return 0; + + if (VIR_ALLOC(cmdopts) < 0 || + VIR_ALLOC_N(cmdopts->options, nnodes) < 0) + goto cleanup; + + for (i =3D 0; i < nnodes; i++) { + if (!(cmdopts->options[cmdopts->noptions] =3D + virXMLPropString(nodes[i], "name"))) { + virReportError(VIR_ERR_XML_ERROR, "%s", + _("no netfs mount option name specified")); + goto cleanup; + } + cmdopts->noptions++; + } + + VIR_STEAL_PTR(*data, cmdopts); + ret =3D 0; + + cleanup: + VIR_FREE(nodes); + virStoragePoolDefNetFSNamespaceFree(cmdopts); + return ret; +} + + +static int +virStoragePoolDefNetFSNamespaceFormatXML(virBufferPtr buf, + void *nsdata) +{ + size_t i; + virStoragePoolNetFSMountOptionsDefPtr def =3D nsdata; + + if (!def) + return 0; + + virBufferAddLit(buf, "\n"); + virBufferAdjustIndent(buf, 2); + + for (i =3D 0; i < def->noptions; i++) + virBufferEscapeString(buf, "\n", + def->options[i]); + + virBufferAdjustIndent(buf, -2); + virBufferAddLit(buf, "\n"); + + return 0; +} + + +static const char * +virStoragePoolDefNetFSNamespaceHref(void) +{ + return "xmlns:netfs=3D'" STORAGE_POOL_NETFS_NAMESPACE_HREF "'"; +} + +#endif /* WITH_STORAGE_FS */ + + virStorageBackend virStorageBackendDirectory =3D { .type =3D VIR_STORAGE_POOL_DIR, =20 @@ -617,6 +734,13 @@ virStorageBackend virStorageBackendNetFileSystem =3D { .downloadVol =3D virStorageBackendVolDownloadLocal, .wipeVol =3D virStorageBackendVolWipeLocal, }; + +static virStoragePoolXMLNamespace virStoragePoolNetFSXMLNamespace =3D { + .parse =3D virStoragePoolDefNetFSNamespaceParse, + .free =3D virStoragePoolDefNetFSNamespaceFree, + .format =3D virStoragePoolDefNetFSNamespaceFormatXML, + .href =3D virStoragePoolDefNetFSNamespaceHref, +}; #endif /* WITH_STORAGE_FS */ =20 =20 @@ -632,6 +756,10 @@ virStorageBackendFsRegister(void) =20 if (virStorageBackendRegister(&virStorageBackendNetFileSystem) < 0) return -1; + + if (virStorageBackendNamespaceInit(VIR_STORAGE_POOL_NETFS, + &virStoragePoolNetFSXMLNamespace) <= 0) + return -1; #endif /* WITH_STORAGE_FS */ =20 return 0; diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c index b82bef2904..2e753f4501 100644 --- a/src/storage/storage_util.c +++ b/src/storage/storage_util.c @@ -82,6 +82,22 @@ =20 VIR_LOG_INIT("storage.storage_util"); =20 + +/* virStorageBackendNamespaceInit: + * @poolType: virStoragePoolType + * @xmlns: Storage Pool specific namespace callback methods + * + * To be called during storage backend registration to configure the + * Storage Pool XML Namespace based on the backend's needs. + */ +int +virStorageBackendNamespaceInit(int poolType, + virStoragePoolXMLNamespacePtr xmlns) +{ + return virStoragePoolOptionsPoolTypeSetXMLNamespace(poolType, xmlns); +} + + #define READ_BLOCK_SIZE_DEFAULT (1024 * 1024) #define WRITE_BLOCK_SIZE_DEFAULT (4 * 1024) =20 diff --git a/src/storage/storage_util.h b/src/storage/storage_util.h index c872468135..b11b1b23f7 100644 --- a/src/storage/storage_util.h +++ b/src/storage/storage_util.h @@ -26,6 +26,20 @@ # include "storage_driver.h" # include "storage_backend.h" =20 +/* NetFS Storage Pool Namespace options to share w/ storage_backend_fs.c a= nd + * the virStorageBackendFileSystemMountCmd method */ +typedef struct _virStoragePoolNetFSMountOptionsDef virStoragePoolNetFSMoun= tOptionsDef; +typedef virStoragePoolNetFSMountOptionsDef *virStoragePoolNetFSMountOption= sDefPtr; +struct _virStoragePoolNetFSMountOptionsDef { + size_t noptions; + char **options; +}; + +int +virStorageBackendNamespaceInit(int poolType, + virStoragePoolXMLNamespacePtr xmlns); + + /* File creation/cloning functions used for cloning between backends */ =20 int --=20 2.20.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list