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lib: Add API to edit domain's managed save state xml configuration

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Similar to domainSaveImageDefineXML this commit adds domainManagedSaveDefineXML
API which allows to edit domain's managed save state xml configuration.

Signed-off-by: Kothapally Madhu Pavan <kmp@linux.vnet.ibm.com>
This commit is contained in:
Kothapally Madhu Pavan 2017-08-08 13:32:50 +05:30 committed by Peter Krempa
parent a67e3872a6
commit 1558f2584f
7 changed files with 89 additions and 1 deletions
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4
include/libvirt/libvirt-domain.h
View File

@ -1215,6 +1215,10 @@ int virDomainManagedSaveRemove(virDomainPtr dom,
unsigned int flags);
char * virDomainManagedSaveGetXMLDesc(virDomainPtr domain,
unsigned int flags);
int virDomainManagedSaveDefineXML(virDomainPtr domain,
const char *dxml,
unsigned int flags);
/*
* Domain core dump

6
src/driver-hypervisor.h
View File

@ -754,6 +754,11 @@ typedef char *
(*virDrvDomainManagedSaveGetXMLDesc)(virDomainPtr domain,
unsigned int flags);
typedef int
(*virDrvDomainManagedSaveDefineXML)(virDomainPtr domain,
const char *dxml,
unsigned int flags);
typedef virDomainSnapshotPtr
(*virDrvDomainSnapshotCreateXML)(virDomainPtr domain,
const char *xmlDesc,
@ -1433,6 +1438,7 @@ struct _virHypervisorDriver {
virDrvDomainHasManagedSaveImage domainHasManagedSaveImage;
virDrvDomainManagedSaveRemove domainManagedSaveRemove;
virDrvDomainManagedSaveGetXMLDesc domainManagedSaveGetXMLDesc;
virDrvDomainManagedSaveDefineXML domainManagedSaveDefineXML;
virDrvDomainSnapshotCreateXML domainSnapshotCreateXML;
virDrvDomainSnapshotGetXMLDesc domainSnapshotGetXMLDesc;
virDrvDomainSnapshotNum domainSnapshotNum;

57
src/libvirt-domain.c
View File

@ -9389,6 +9389,63 @@ virDomainManagedSaveGetXMLDesc(virDomainPtr domain, unsigned int flags)
}
/**
* virDomainManagedSaveDefineXML:
* @domain: a domain object
* @dxml: XML config for adjusting guest xml used on restore
* @flags: bitwise-OR of virDomainSaveRestoreFlags
*
* This updates the definition of a domain stored in a saved state
* file.
*
* @dxml can be used to alter host-specific portions of the domain XML
* that will be used on the next start of the domain. For example, it is
* possible to alter the backing filename that is associated with a
* disk device.
*
* Normally, the saved state file will remember whether the domain was
* running or paused, and restore defaults to the same state.
* Specifying VIR_DOMAIN_SAVE_RUNNING or VIR_DOMAIN_SAVE_PAUSED in
* @flags will override the default saved into the file; omitting both
* leaves the file's default unchanged. These two flags are mutually
* exclusive.
*
* Returns 0 in case of success and -1 in case of failure.
*/
int
virDomainManagedSaveDefineXML(virDomainPtr domain, const char *dxml,
unsigned int flags)
{
virConnectPtr conn;
VIR_DOMAIN_DEBUG(domain, "flags=%x", flags);
virResetLastError();
VIR_EXCLUSIVE_FLAGS_GOTO(VIR_DOMAIN_SAVE_RUNNING,
VIR_DOMAIN_SAVE_PAUSED,
error);
virCheckDomainReturn(domain, -1);
conn = domain->conn;
if (conn->driver->domainManagedSaveDefineXML) {
int ret;
ret = conn->driver->domainManagedSaveDefineXML(domain, dxml, flags);
if (ret < 0)
goto error;
return ret;
}
virReportUnsupportedError();
error:
virDispatchError(domain->conn);
return -1;
}
/**
* virDomainOpenConsole:
* @dom: a domain object

1
src/libvirt_public.syms
View File

@ -772,5 +772,6 @@ LIBVIRT_3.7.0 {
global:
virDomainMigrateGetMaxDowntime;
virDomainManagedSaveGetXMLDesc;
virDomainManagedSaveDefineXML;
} LIBVIRT_3.4.0;
# .... define new API here using predicted next version number ....

1
src/remote/remote_driver.c
View File

@ -8412,6 +8412,7 @@ static virHypervisorDriver hypervisor_driver = {
.domainHasManagedSaveImage = remoteDomainHasManagedSaveImage, /* 0.8.0 */
.domainManagedSaveRemove = remoteDomainManagedSaveRemove, /* 0.8.0 */
.domainManagedSaveGetXMLDesc = remoteDomainManagedSaveGetXMLDesc, /* 3.7.0 */
.domainManagedSaveDefineXML = remoteDomainManagedSaveDefineXML, /* 3.7.0 */
.domainSnapshotCreateXML = remoteDomainSnapshotCreateXML, /* 0.8.0 */
.domainSnapshotGetXMLDesc = remoteDomainSnapshotGetXMLDesc, /* 0.8.0 */
.domainSnapshotNum = remoteDomainSnapshotNum, /* 0.8.0 */

15
src/remote/remote_protocol.x
View File

@ -2565,6 +2565,12 @@ struct remote_domain_managed_save_get_xml_desc_ret {
remote_nonnull_string xml;
};
struct remote_domain_managed_save_define_xml_args {
remote_nonnull_domain dom;
remote_string dxml;
unsigned int flags;
};
struct remote_domain_snapshot_create_xml_args {
remote_nonnull_domain dom;
remote_nonnull_string xml_desc;
@ -6095,5 +6101,12 @@ enum remote_procedure {
* @acl: domain:read
* @acl: domain:read_secure:VIR_DOMAIN_XML_SECURE
*/
REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388
REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388,
/**
* @generate: both
* @acl: domain:write
* @acl: domain:hibernate
*/
REMOTE_PROC_DOMAIN_MANAGED_SAVE_DEFINE_XML = 389
};

6
src/remote_protocol-structs
View File

@ -1977,6 +1977,11 @@ struct remote_domain_managed_save_get_xml_desc_args {
struct remote_domain_managed_save_get_xml_desc_ret {
remote_nonnull_string xml;
};
struct remote_domain_managed_save_define_xml_args {
remote_nonnull_domain dom;
remote_string dxml;
u_int flags;
};
struct remote_domain_snapshot_create_xml_args {
remote_nonnull_domain dom;
remote_nonnull_string xml_desc;
@ -3249,4 +3254,5 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_SET_BLOCK_THRESHOLD = 386,
REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_DOWNTIME = 387,
REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388,
REMOTE_PROC_DOMAIN_MANAGED_SAVE_DEFINE_XML = 389,
};