[libvirt] [PATCH 21/21] Added implementation for virDomainDefineXML and virDomainCreateXML

Yves Vinter yves.vinter at bull.net
Wed Oct 8 12:34:06 UTC 2014


From: yvinter <yves.vinter at bull.net>

---
 src/hyperv/hyperv_driver.c | 142 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)

diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
index 8e0d6b3..83fb605 100644
--- a/src/hyperv/hyperv_driver.c
+++ b/src/hyperv/hyperv_driver.c
@@ -3098,6 +3098,146 @@ hypervDomainAttachDevice(virDomainPtr domain, const char *xml)
 
 
 
+static virDomainPtr
+hypervDomainDefineXML(virConnectPtr conn, const char *xml)
+{
+    hypervPrivate *priv = conn->privateData;
+    virDomainDefPtr def = NULL;
+    virDomainPtr domain = NULL;
+    invokeXmlParam *params = NULL;
+    properties_t *tab_props = NULL;
+    embeddedParam embeddedparam;
+    int nb_params, i;
+    const char *selector = "CreationClassName=Msvm_VirtualSystemManagementService";
+    char uuid_string[VIR_UUID_STRING_BUFLEN];
+    
+    /* Parse XML domain description */
+    if ((def = virDomainDefParseString(xml, priv->caps, priv->xmlopt,
+                                       1 << VIR_DOMAIN_VIRT_HYPERV, VIR_DOMAIN_XML_INACTIVE)) == NULL) {
+        goto cleanup;
+    }
+    
+    /* Create the domain if does not exist */
+    if (def->uuid == NULL || (domain = hypervDomainLookupByUUID(conn, def->uuid)) == NULL) {
+        /* Prepare EMBEDDED param */
+        /* Edit only VM name */
+        /* FIXME: cannot edit VM UUID */
+        embeddedparam.nbProps = 1;
+        if (VIR_ALLOC_N(tab_props, embeddedparam.nbProps) < 0)
+            goto cleanup;
+        (*tab_props).name = "ElementName";
+        (*tab_props).val = def->name;
+        embeddedparam.instanceName = "Msvm_VirtualSystemGlobalSettingData";
+        embeddedparam.prop_t = tab_props;
+        
+        /* Create invokeXmlParam */
+        nb_params = 1;
+        if (VIR_ALLOC_N(params, nb_params) < 0)
+            goto cleanup;
+        (*params).name = "SystemSettingData";
+        (*params).type = EMBEDDED_PARAM;
+        (*params).param = &embeddedparam;
+        
+        /* Create VM */
+        if (hypervInvokeMethod(priv, params, nb_params, "DefineVirtualSystem",
+                               MSVM_VIRTUALSYSTEMMANAGEMENTSERVICE_RESOURCE_URI, selector) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not create new domain %s"), def->name);
+            goto cleanup;
+        }
+        
+        /* Get domain pointer */
+        domain = hypervDomainLookupByName(conn, def->name);
+        
+        VIR_DEBUG("Domain created: name=%s, uuid=%s",
+                  domain->name, virUUIDFormat(domain->uuid, uuid_string));
+    }
+    
+    /* Set VM maximum memory */
+    if (def->mem.max_balloon > 0) {
+        if (hypervDomainSetMaxMemory(domain, def->mem.max_balloon) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not set VM maximum memory"));
+        }
+    }
+    
+    /* Set VM memory */
+    if (def->mem.cur_balloon > 0) {
+        if (hypervDomainSetMemory(domain, def->mem.cur_balloon) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not set VM memory"));
+        }
+    }
+    
+    /* Set VM vcpus */
+    if (def->vcpus > 0) {
+        if (hypervDomainSetVcpus(domain, def->vcpus) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not set VM vCPUs"));
+        }
+    }
+    
+    /* Attach networks */
+    for (i = 0; i < def->nnets; i++) {
+        if (hypervDomainAttachNetwork(domain, def->nets[i]) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not attach network"));
+        }
+    }
+    
+    /* Attach disks */
+    for (i = 0; i < def->ndisks; i++) {
+        if (hypervDomainAttachDisk(domain, def->disks[i]) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not attach disk"));
+        }
+    }
+    
+ cleanup:
+    virDomainDefFree(def);
+    VIR_FREE(tab_props);
+    VIR_FREE(params);
+
+    return domain;
+}
+
+
+
+static virDomainPtr
+hypervDomainCreateXML(virConnectPtr conn, const char *xmlDesc, unsigned int flags)
+{
+    virDomainPtr domain;
+    
+    virCheckFlags(VIR_DOMAIN_START_PAUSED | VIR_DOMAIN_START_AUTODESTROY, NULL);
+    
+    /* Create the new domain */
+    domain = hypervDomainDefineXML(conn, xmlDesc);
+    if (domain == NULL)
+        return NULL;
+
+    /* Start the domain */
+    if (hypervInvokeMsvmComputerSystemRequestStateChange(domain, MSVM_COMPUTERSYSTEM_REQUESTEDSTATE_ENABLED) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR,
+                       _("Could not start the domain %s"), domain->name);
+        return domain;
+    }
+    
+    /* If the VIR_DOMAIN_START_PAUSED flag is set,
+       the guest domain will be started, but its CPUs will remain paused */
+    if (flags & VIR_DOMAIN_START_PAUSED) {
+        if (hypervDomainSuspend(domain) < 0) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Could not pause the domain %s"), domain->name);
+        }
+    }
+    
+    /* FIXME: process autodestroy flag */
+
+    return domain;
+}
+
+
+
 static virDriver hypervDriver = {
     .no = VIR_DRV_HYPERV,
     .name = "Hyper-V",
@@ -3156,6 +3296,8 @@ static virDriver hypervDriver = {
     .domainUndefineFlags = hypervDomainUndefineFlags, /* 1.2.10 */
     .domainAttachDevice = hypervDomainAttachDevice, /* 1.2.10 */
     .domainAttachDeviceFlags = hypervDomainAttachDeviceFlags, /* 1.2.10 */
+    .domainDefineXML = hypervDomainDefineXML, /* 1.2.10 */
+    .domainCreateXML = hypervDomainCreateXML, /* 1.2.10 */
 };
 
 
-- 
1.9.1




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