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https://gitlab.com/libvirt/libvirt.git
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storage: Break out pool source parsing to a separate function.
We need to parse a source XML block for FindPoolSources, so this is a step in sharing the parsing. The new storage pool XML 2 XML tests cover this area pretty well to ensure we aren't causing regressions.
This commit is contained in:
Cole Robinson
parent
0d77396605
commit
fcbbb289b6
@ -366,14 +366,14 @@ static int
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virStoragePoolDefParseAuthChap(virConnectPtr conn,
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xmlXPathContextPtr ctxt,
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virStoragePoolAuthChapPtr auth) {
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auth->login = virXPathString(conn, "string(./source/auth/@login)", ctxt);
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auth->login = virXPathString(conn, "string(./auth/@login)", ctxt);
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if (auth->login == NULL) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing auth host attribute"));
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return -1;
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}
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auth->passwd = virXPathString(conn, "string(./source/auth/@passwd)", ctxt);
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auth->passwd = virXPathString(conn, "string(./auth/@passwd)", ctxt);
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if (auth->passwd == NULL) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing auth passwd attribute"));
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@ -383,6 +383,96 @@ virStoragePoolDefParseAuthChap(virConnectPtr conn,
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return 0;
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}
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static int
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virStoragePoolDefParseSource(virConnectPtr conn,
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xmlXPathContextPtr ctxt,
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virStoragePoolSourcePtr source,
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int pool_type,
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xmlNodePtr node) {
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int ret = -1;
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xmlNodePtr relnode, *nodeset = NULL;
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char *authType = NULL;
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int nsource, i;
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virStoragePoolOptionsPtr options;
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relnode = ctxt->node;
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ctxt->node = node;
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if ((options = virStoragePoolOptionsForPoolType(pool_type)) == NULL) {
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goto cleanup;
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}
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source->name = virXPathString(conn, "string(./name)", ctxt);
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if (options->formatFromString) {
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char *format = virXPathString(conn, "string(./format/@type)", ctxt);
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if (format == NULL)
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source->format = options->defaultFormat;
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else
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source->format = options->formatFromString(format);
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if (source->format < 0) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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_("unknown pool format type %s"), format);
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VIR_FREE(format);
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goto cleanup;
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}
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VIR_FREE(format);
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}
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source->host.name = virXPathString(conn, "string(./host/@name)", ctxt);
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nsource = virXPathNodeSet(conn, "./device", ctxt, &nodeset);
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if (nsource > 0) {
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if (VIR_ALLOC_N(source->devices, nsource) < 0) {
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VIR_FREE(nodeset);
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virReportOOMError(conn);
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goto cleanup;
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}
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for (i = 0 ; i < nsource ; i++) {
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xmlChar *path = xmlGetProp(nodeset[i], BAD_CAST "path");
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if (path == NULL) {
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VIR_FREE(nodeset);
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing storage pool source device path"));
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goto cleanup;
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}
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source->devices[i].path = (char *)path;
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}
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source->ndevice = nsource;
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}
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source->dir = virXPathString(conn, "string(./dir/@path)", ctxt);
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source->adapter = virXPathString(conn, "string(./adapter/@name)", ctxt);
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authType = virXPathString(conn, "string(./auth/@type)", ctxt);
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if (authType == NULL) {
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source->authType = VIR_STORAGE_POOL_AUTH_NONE;
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} else {
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if (STREQ(authType, "chap")) {
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source->authType = VIR_STORAGE_POOL_AUTH_CHAP;
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} else {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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_("unknown auth type '%s'"),
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(const char *)authType);
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goto cleanup;
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}
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}
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if (source->authType == VIR_STORAGE_POOL_AUTH_CHAP) {
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if (virStoragePoolDefParseAuthChap(conn, ctxt, &source->auth.chap) < 0)
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goto cleanup;
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}
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ret = 0;
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cleanup:
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ctxt->node = relnode;
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VIR_FREE(authType);
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VIR_FREE(nodeset);
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return ret;
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}
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static int
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virStorageDefParsePerms(virConnectPtr conn,
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@ -460,9 +550,9 @@ virStoragePoolDefParseXML(virConnectPtr conn,
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xmlXPathContextPtr ctxt) {
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virStoragePoolOptionsPtr options;
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virStoragePoolDefPtr ret;
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xmlNodePtr source_node;
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char *type = NULL;
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char *uuid = NULL;
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char *authType = NULL;
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if (VIR_ALLOC(ret) < 0) {
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virReportOOMError(conn);
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@ -483,10 +573,17 @@ virStoragePoolDefParseXML(virConnectPtr conn,
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goto cleanup;
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}
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source_node = virXPathNode(conn, "./source", ctxt);
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if (source_node) {
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if (virStoragePoolDefParseSource(conn, ctxt, &ret->source, ret->type,
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source_node) < 0)
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goto cleanup;
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}
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ret->name = virXPathString(conn, "string(./name)", ctxt);
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if (ret->name == NULL &&
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options->flags & VIR_STORAGE_POOL_SOURCE_NAME)
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ret->name = virXPathString(conn, "string(./source/name)", ctxt);
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ret->name = ret->source.name;
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if (ret->name == NULL) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing pool source name element"));
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@ -509,66 +606,23 @@ virStoragePoolDefParseXML(virConnectPtr conn,
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VIR_FREE(uuid);
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}
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if (options->formatFromString) {
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char *format = virXPathString(conn, "string(./source/format/@type)", ctxt);
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if (format == NULL)
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ret->source.format = options->defaultFormat;
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else
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ret->source.format = options->formatFromString(format);
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if (ret->source.format < 0) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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_("unknown pool format type %s"), format);
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VIR_FREE(format);
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goto cleanup;
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}
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VIR_FREE(format);
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}
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if (options->flags & VIR_STORAGE_POOL_SOURCE_HOST) {
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if ((ret->source.host.name = virXPathString(conn, "string(./source/host/@name)", ctxt)) == NULL) {
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if (!ret->source.host.name) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing storage pool source host name"));
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"%s",
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_("missing storage pool source host name"));
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goto cleanup;
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}
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}
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if (options->flags & VIR_STORAGE_POOL_SOURCE_DEVICE) {
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xmlNodePtr *nodeset = NULL;
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int nsource, i;
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if ((nsource = virXPathNodeSet(conn, "./source/device", ctxt, &nodeset)) < 0) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("cannot extract storage pool source devices"));
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goto cleanup;
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}
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if (VIR_ALLOC_N(ret->source.devices, nsource) < 0) {
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VIR_FREE(nodeset);
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virReportOOMError(conn);
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goto cleanup;
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}
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for (i = 0 ; i < nsource ; i++) {
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xmlChar *path = xmlGetProp(nodeset[i], BAD_CAST "path");
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if (path == NULL) {
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VIR_FREE(nodeset);
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing storage pool source device path"));
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goto cleanup;
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}
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ret->source.devices[i].path = (char *)path;
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}
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VIR_FREE(nodeset);
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ret->source.ndevice = nsource;
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}
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if (options->flags & VIR_STORAGE_POOL_SOURCE_DIR) {
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if ((ret->source.dir = virXPathString(conn, "string(./source/dir/@path)", ctxt)) == NULL) {
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if (!ret->source.dir) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing storage pool source path"));
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"%s", _("missing storage pool source path"));
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goto cleanup;
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}
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}
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if (options->flags & VIR_STORAGE_POOL_SOURCE_NAME) {
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ret->source.name = virXPathString(conn, "string(./source/name)",
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ctxt);
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if (ret->source.name == NULL) {
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/* source name defaults to pool name */
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ret->source.name = strdup(ret->name);
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@ -580,36 +634,13 @@ virStoragePoolDefParseXML(virConnectPtr conn,
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}
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if (options->flags & VIR_STORAGE_POOL_SOURCE_ADAPTER) {
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if ((ret->source.adapter = virXPathString(conn,
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"string(./source/adapter/@name)",
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ctxt)) == NULL) {
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if (!ret->source.adapter) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing storage pool source adapter name"));
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"%s", _("missing storage pool source adapter name"));
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goto cleanup;
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}
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}
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authType = virXPathString(conn, "string(./source/auth/@type)", ctxt);
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if (authType == NULL) {
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ret->source.authType = VIR_STORAGE_POOL_AUTH_NONE;
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} else {
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if (STREQ(authType, "chap")) {
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ret->source.authType = VIR_STORAGE_POOL_AUTH_CHAP;
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} else {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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_("unknown auth type '%s'"),
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(const char *)authType);
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VIR_FREE(authType);
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goto cleanup;
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}
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VIR_FREE(authType);
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}
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if (ret->source.authType == VIR_STORAGE_POOL_AUTH_CHAP) {
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if (virStoragePoolDefParseAuthChap(conn, ctxt, &ret->source.auth.chap) < 0)
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goto cleanup;
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}
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if ((ret->target.path = virXPathString(conn, "string(./target/path)", ctxt)) == NULL) {
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virStorageReportError(conn, VIR_ERR_XML_ERROR,
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"%s", _("missing storage pool target path"));
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