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https://gitlab.com/libvirt/libvirt.git
synced 2024-12-26 03:21:44 +03:00
esx: Improve domain lookup by UUID
esxDomainLookupByUUID() and esxDomainIsActive() lookup a domain by asking ESX for all known domains and searching manually for the one with the matching UUID. This is inefficient. The VI API allows to lookup by UUID directly: FindByUuid(). * src/esx/esx_driver.c: change esxDomainLookupByUUID() and esxDomainIsActive() to use esxVI_LookupVirtualMachineByUuid(), also reorder some functions to keep them in sync with the driver struct
This commit is contained in:
Matthias Bolte
parent
f66d574541
commit
06ef64d169
@ -507,30 +507,6 @@ esxClose(virConnectPtr conn)
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}
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static int
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esxIsSecure(virConnectPtr conn)
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{
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esxPrivate *priv = (esxPrivate *)conn->privateData;
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if (STRCASEEQ(priv->transport, "https")) {
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return 1;
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} else {
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return 0;
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}
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}
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static int
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esxIsEncrypted(virConnectPtr conn)
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{
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esxPrivate *priv = (esxPrivate *)conn->privateData;
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if (STRCASEEQ(priv->transport, "https")) {
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return 1;
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} else {
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return 0;
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}
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}
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static esxVI_Boolean
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esxSupportsVMotion(virConnectPtr conn)
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@ -749,7 +725,6 @@ esxGetHostname(virConnectPtr conn)
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static int
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esxNodeGetInfo(virConnectPtr conn, virNodeInfoPtr nodeinfo)
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{
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@ -1097,13 +1072,10 @@ esxDomainLookupByUUID(virConnectPtr conn, const unsigned char *uuid)
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{
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esxPrivate *priv = (esxPrivate *)conn->privateData;
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esxVI_String *propertyNameList = NULL;
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esxVI_ObjectContent *virtualMachineList = NULL;
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esxVI_ObjectContent *virtualMachine = NULL;
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esxVI_VirtualMachinePowerState powerState;
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int id_candidate = -1;
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char *name_candidate = NULL;
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unsigned char uuid_candidate[VIR_UUID_BUFLEN];
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char uuid_string[VIR_UUID_STRING_BUFLEN];
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int id = -1;
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char *name = NULL;
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virDomainPtr domain = NULL;
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if (esxVI_EnsureSession(conn, priv->host) < 0) {
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@ -1111,64 +1083,35 @@ esxDomainLookupByUUID(virConnectPtr conn, const unsigned char *uuid)
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}
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if (esxVI_String_AppendValueListToList(conn, &propertyNameList,
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"configStatus\0"
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"name\0"
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"runtime.powerState\0"
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"config.uuid\0") < 0 ||
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esxVI_LookupObjectContentByType(conn, priv->host, priv->host->vmFolder,
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"VirtualMachine", propertyNameList,
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esxVI_Boolean_True,
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&virtualMachineList) < 0) {
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"runtime.powerState\0") < 0 ||
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esxVI_LookupVirtualMachineByUuid(conn, priv->host, uuid,
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propertyNameList, &virtualMachine,
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esxVI_Occurence_RequiredItem) < 0 ||
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esxVI_GetVirtualMachineIdentity(conn, virtualMachine,
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&id, &name, NULL) < 0 ||
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esxVI_GetVirtualMachinePowerState(conn, virtualMachine,
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&powerState) < 0) {
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goto failure;
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}
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for (virtualMachine = virtualMachineList; virtualMachine != NULL;
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virtualMachine = virtualMachine->_next) {
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VIR_FREE(name_candidate);
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if (esxVI_GetVirtualMachineIdentity(conn, virtualMachine,
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&id_candidate, &name_candidate,
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uuid_candidate) < 0) {
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goto failure;
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}
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if (memcmp(uuid, uuid_candidate,
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VIR_UUID_BUFLEN * sizeof(unsigned char)) != 0) {
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continue;
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}
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if (esxVI_GetVirtualMachinePowerState(conn, virtualMachine,
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&powerState) < 0) {
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goto failure;
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}
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domain = virGetDomain(conn, name_candidate, uuid_candidate);
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if (domain == NULL) {
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goto failure;
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}
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/* Only running/suspended virtual machines have an ID != -1 */
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if (powerState != esxVI_VirtualMachinePowerState_PoweredOff) {
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domain->id = id_candidate;
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} else {
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domain->id = -1;
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}
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break;
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}
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domain = virGetDomain(conn, name, uuid);
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if (domain == NULL) {
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virUUIDFormat(uuid, uuid_string);
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goto failure;
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}
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ESX_ERROR(conn, VIR_ERR_NO_DOMAIN, "No domain with UUID '%s'",
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uuid_string);
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/* Only running/suspended virtual machines have an ID != -1 */
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if (powerState != esxVI_VirtualMachinePowerState_PoweredOff) {
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domain->id = id;
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} else {
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domain->id = -1;
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}
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cleanup:
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esxVI_String_Free(&propertyNameList);
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esxVI_ObjectContent_Free(&virtualMachineList);
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VIR_FREE(name_candidate);
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esxVI_ObjectContent_Free(&virtualMachine);
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VIR_FREE(name);
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return domain;
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@ -1262,89 +1205,6 @@ esxDomainLookupByName(virConnectPtr conn, const char *name)
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}
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static int
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esxDomainIsActive(virDomainPtr dom)
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{
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esxPrivate *priv = (esxPrivate *)dom->conn->privateData;
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esxVI_String *propertyNameList = NULL;
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esxVI_ObjectContent *virtualMachineList = NULL;
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esxVI_ObjectContent *virtualMachine = NULL;
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esxVI_VirtualMachinePowerState powerState;
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int id_candidate = -1;
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char *name_candidate = NULL;
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unsigned char uuid_candidate[VIR_UUID_BUFLEN];
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char uuid_string[VIR_UUID_STRING_BUFLEN];
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int ret = -1;
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if (esxVI_EnsureSession(dom->conn, priv->host) < 0) {
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goto cleanup;
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}
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if (esxVI_String_AppendValueListToList(dom->conn, &propertyNameList,
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"configStatus\0"
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"name\0"
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"runtime.powerState\0"
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"config.uuid\0") < 0 ||
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esxVI_LookupObjectContentByType(dom->conn, priv->host, priv->host->vmFolder,
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"VirtualMachine", propertyNameList,
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esxVI_Boolean_True,
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&virtualMachineList) < 0) {
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goto cleanup;
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}
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for (virtualMachine = virtualMachineList; virtualMachine != NULL;
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virtualMachine = virtualMachine->_next) {
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VIR_FREE(name_candidate);
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if (esxVI_GetVirtualMachineIdentity(dom->conn, virtualMachine,
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&id_candidate, &name_candidate,
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uuid_candidate) < 0) {
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goto cleanup;
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}
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if (memcmp(dom->uuid, uuid_candidate,
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VIR_UUID_BUFLEN * sizeof(unsigned char)) != 0) {
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continue;
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}
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if (esxVI_GetVirtualMachinePowerState(dom->conn, virtualMachine,
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&powerState) < 0) {
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goto cleanup;
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}
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/* Only running/suspended virtual machines have an ID != -1 */
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if (powerState != esxVI_VirtualMachinePowerState_PoweredOff) {
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ret = 1;
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} else {
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ret = 0;
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}
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break;
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}
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if (ret == -1) {
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virUUIDFormat(dom->uuid, uuid_string);
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ESX_ERROR(dom->conn, VIR_ERR_NO_DOMAIN, "No domain with UUID '%s'",
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uuid_string);
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}
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cleanup:
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esxVI_String_Free(&propertyNameList);
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esxVI_ObjectContent_Free(&virtualMachineList);
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VIR_FREE(name_candidate);
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return ret;
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}
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static int
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esxDomainIsPersistent(virDomainPtr dom ATTRIBUTE_UNUSED)
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{
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/* ESX has no concept of transient domains, so
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* all of them are persistent */
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return 1;
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}
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static int
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esxDomainSuspend(virDomainPtr domain)
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@ -3355,6 +3215,87 @@ esxNodeGetFreeMemory(virConnectPtr conn)
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static int
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esxIsEncrypted(virConnectPtr conn)
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{
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esxPrivate *priv = (esxPrivate *)conn->privateData;
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if (STRCASEEQ(priv->transport, "https")) {
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return 1;
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} else {
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return 0;
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}
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}
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static int
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esxIsSecure(virConnectPtr conn)
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{
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esxPrivate *priv = (esxPrivate *)conn->privateData;
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if (STRCASEEQ(priv->transport, "https")) {
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return 1;
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} else {
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return 0;
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}
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}
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static int
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esxDomainIsActive(virDomainPtr domain)
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{
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int result = 0;
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esxPrivate *priv = (esxPrivate *)domain->conn->privateData;
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esxVI_ObjectContent *virtualMachine = NULL;
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esxVI_String *propertyNameList = NULL;
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esxVI_VirtualMachinePowerState powerState;
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if (esxVI_EnsureSession(domain->conn, priv->host) < 0) {
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goto failure;
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}
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if (esxVI_String_AppendValueToList(domain->conn, &propertyNameList,
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"runtime.powerState") < 0 ||
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esxVI_LookupVirtualMachineByUuid(domain->conn, priv->host,
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domain->uuid, propertyNameList,
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&virtualMachine,
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esxVI_Occurence_RequiredItem) < 0 ||
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esxVI_GetVirtualMachinePowerState(domain->conn, virtualMachine,
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&powerState) < 0) {
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goto failure;
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}
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if (powerState != esxVI_VirtualMachinePowerState_PoweredOff) {
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result = 1;
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} else {
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result = 0;
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}
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cleanup:
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esxVI_ObjectContent_Free(&virtualMachine);
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esxVI_String_Free(&propertyNameList);
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return result;
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failure:
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result = -1;
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goto cleanup;
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}
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static int
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esxDomainIsPersistent(virDomainPtr domain ATTRIBUTE_UNUSED)
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{
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/* ESX has no concept of transient domains, so all of them are persistent */
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return 1;
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}
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static virDriver esxDriver = {
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VIR_DRV_ESX,
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"ESX",
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