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Allow overwrite of existing guest config
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@ -1,3 +1,9 @@
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Mon May 21 20:38:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
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* src/xm_internal.c: Allow xenXMDomainDefineXML to overwrite
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an existing guest config to match semantics of XenD and QEMU
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drivers. Patch from Hugh Brock.
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Fri May 18 14:36:00 EST 2007 Daniel P. Berrange <berrange@redhat.com>
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* qemud/conf.c, qemud/internal.h, qemud/qemud.c: Save VM output
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@ -2072,7 +2072,9 @@ virConfPtr xenXMParseXMLToConfig(virConnectPtr conn, const char *xml) {
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*/
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virDomainPtr xenXMDomainDefineXML(virConnectPtr conn, const char *xml) {
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virDomainPtr ret;
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virDomainPtr olddomain;
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char filename[PATH_MAX];
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const char * oldfilename;
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unsigned char uuid[VIR_UUID_BUFLEN];
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virConfPtr conf = NULL;
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xenXMConfCachePtr entry = NULL;
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@ -2103,8 +2105,39 @@ virDomainPtr xenXMDomainDefineXML(virConnectPtr conn, const char *xml) {
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}
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if (virHashLookup(nameConfigMap, value->str)) {
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xenXMError(conn, VIR_ERR_INTERNAL_ERROR, "domain with name already exists");
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goto error;
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/* domain exists, we will overwrite it */
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if (!(oldfilename = (char *)virHashLookup(nameConfigMap, value->str))) {
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xenXMError(conn, VIR_ERR_INTERNAL_ERROR, "can't retrieve config filename for domain to overwrite");
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goto error;
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}
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if (!(entry = virHashLookup(configCache, oldfilename))) {
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xenXMError(conn, VIR_ERR_INTERNAL_ERROR, "can't retrieve config entry for domain to overwrite");
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goto error;
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}
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if (xenXMConfigGetUUID(entry->conf, "uuid", uuid) < 0) {
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xenXMError(conn, VIR_ERR_INTERNAL_ERROR, "uuid config parameter is missing");
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goto error;
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}
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if (!(olddomain = virGetDomain(conn, value->str, uuid)))
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goto error;
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/* Remove the name -> filename mapping */
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if (virHashRemoveEntry(nameConfigMap, value->str, NULL) < 0) {
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xenXMError(conn, VIR_ERR_INTERNAL_ERROR, "failed to remove old domain from config map");
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goto error;
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}
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/* Remove the config record itself */
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if (virHashRemoveEntry(configCache, oldfilename, xenXMConfigFree) < 0) {
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xenXMError(conn, VIR_ERR_INTERNAL_ERROR, "failed to remove old domain from config map");
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goto error;
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}
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entry = NULL;
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}
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if ((strlen(configDir) + 1 + strlen(value->str) + 1) > PATH_MAX) {
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