[libvirt] [PATCH v5 1/7] lib: Add API to dump xml configuration of managed save state domain
Peter Krempa
pkrempa at redhat.com
Tue Aug 29 11:49:09 UTC 2017
From: Kothapally Madhu Pavan <kmp at linux.vnet.ibm.com>
Similar to domainSaveImageGetXMLDesc this commit adds domainManagedSaveGetXMLDesc
API which allows to get the xml of managed save state domain.
Signed-off-by: Kothapally Madhu Pavan <kmp at linux.vnet.ibm.com>
---
include/libvirt/libvirt-domain.h | 2 ++
src/driver-hypervisor.h | 5 ++++
src/libvirt-domain.c | 49 ++++++++++++++++++++++++++++++++++++++++
src/libvirt_public.syms | 1 +
src/remote/remote_driver.c | 1 +
src/remote/remote_protocol.x | 17 +++++++++++++-
src/remote_protocol-structs | 8 +++++++
7 files changed, 82 insertions(+), 1 deletion(-)
diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h
index fae24ac93..4c5a7f7b5 100644
--- a/include/libvirt/libvirt-domain.h
+++ b/include/libvirt/libvirt-domain.h
@@ -1213,6 +1213,8 @@ int virDomainHasManagedSaveImage(virDomainPtr dom,
unsigned int flags);
int virDomainManagedSaveRemove(virDomainPtr dom,
unsigned int flags);
+char * virDomainManagedSaveGetXMLDesc(virDomainPtr domain,
+ unsigned int flags);
/*
* Domain core dump
diff --git a/src/driver-hypervisor.h b/src/driver-hypervisor.h
index 7b35e9e68..a3f9cbc31 100644
--- a/src/driver-hypervisor.h
+++ b/src/driver-hypervisor.h
@@ -750,6 +750,10 @@ typedef int
(*virDrvDomainManagedSaveRemove)(virDomainPtr domain,
unsigned int flags);
+typedef char *
+(*virDrvDomainManagedSaveGetXMLDesc)(virDomainPtr domain,
+ unsigned int flags);
+
typedef virDomainSnapshotPtr
(*virDrvDomainSnapshotCreateXML)(virDomainPtr domain,
const char *xmlDesc,
@@ -1428,6 +1432,7 @@ struct _virHypervisorDriver {
virDrvDomainManagedSave domainManagedSave;
virDrvDomainHasManagedSaveImage domainHasManagedSaveImage;
virDrvDomainManagedSaveRemove domainManagedSaveRemove;
+ virDrvDomainManagedSaveGetXMLDesc domainManagedSaveGetXMLDesc;
virDrvDomainSnapshotCreateXML domainSnapshotCreateXML;
virDrvDomainSnapshotGetXMLDesc domainSnapshotGetXMLDesc;
virDrvDomainSnapshotNum domainSnapshotNum;
diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
index 4d0ac30d5..f43ab2478 100644
--- a/src/libvirt-domain.c
+++ b/src/libvirt-domain.c
@@ -9339,6 +9339,55 @@ virDomainManagedSaveRemove(virDomainPtr dom, unsigned int flags)
}
+/**
+ * virDomainManagedSaveGetXMLDesc:
+ * @domain: a domain object
+ * @flags: bitwise-OR of subset of virDomainXMLFlags
+ *
+ * This method will extract the XML description of the managed save
+ * state file of a domain.
+ *
+ * No security-sensitive data will be included unless @flags contains
+ * VIR_DOMAIN_XML_SECURE; this flag is rejected on read-only
+ * connections. For this API, @flags should not contain either
+ * VIR_DOMAIN_XML_INACTIVE or VIR_DOMAIN_XML_UPDATE_CPU.
+ *
+ * Returns a 0 terminated UTF-8 encoded XML instance, or NULL in case of
+ * error. The caller must free() the returned value.
+ */
+char *
+virDomainManagedSaveGetXMLDesc(virDomainPtr domain, unsigned int flags)
+{
+ virConnectPtr conn;
+
+ VIR_DOMAIN_DEBUG(domain, "flags=%x", flags);
+
+ virResetLastError();
+
+ virCheckDomainReturn(domain, NULL);
+ conn = domain->conn;
+
+ if ((conn->flags & VIR_CONNECT_RO) && (flags & VIR_DOMAIN_XML_SECURE)) {
+ virReportError(VIR_ERR_OPERATION_DENIED, "%s",
+ _("virDomainManagedSaveGetXMLDesc with secure flag"));
+ goto error;
+ }
+
+ if (conn->driver->domainManagedSaveGetXMLDesc) {
+ char *ret;
+ ret = conn->driver->domainManagedSaveGetXMLDesc(domain, flags);
+ if (!ret)
+ goto error;
+ return ret;
+ }
+
+ virReportUnsupportedError();
+
+ error:
+ virDispatchError(domain->conn);
+ return NULL;
+}
+
/**
* virDomainOpenConsole:
diff --git a/src/libvirt_public.syms b/src/libvirt_public.syms
index b55ca4b55..58b9b4910 100644
--- a/src/libvirt_public.syms
+++ b/src/libvirt_public.syms
@@ -771,5 +771,6 @@ LIBVIRT_3.4.0 {
LIBVIRT_3.7.0 {
global:
virDomainMigrateGetMaxDowntime;
+ virDomainManagedSaveGetXMLDesc;
} LIBVIRT_3.4.0;
# .... define new API here using predicted next version number ....
diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c
index 027b073ec..c64f5b337 100644
--- a/src/remote/remote_driver.c
+++ b/src/remote/remote_driver.c
@@ -8411,6 +8411,7 @@ static virHypervisorDriver hypervisor_driver = {
.domainManagedSave = remoteDomainManagedSave, /* 0.8.0 */
.domainHasManagedSaveImage = remoteDomainHasManagedSaveImage, /* 0.8.0 */
.domainManagedSaveRemove = remoteDomainManagedSaveRemove, /* 0.8.0 */
+ .domainManagedSaveGetXMLDesc = remoteDomainManagedSaveGetXMLDesc, /* 3.7.0 */
.domainSnapshotCreateXML = remoteDomainSnapshotCreateXML, /* 0.8.0 */
.domainSnapshotGetXMLDesc = remoteDomainSnapshotGetXMLDesc, /* 0.8.0 */
.domainSnapshotNum = remoteDomainSnapshotNum, /* 0.8.0 */
diff --git a/src/remote/remote_protocol.x b/src/remote/remote_protocol.x
index 2d49ceb3a..76033acc9 100644
--- a/src/remote/remote_protocol.x
+++ b/src/remote/remote_protocol.x
@@ -2556,6 +2556,15 @@ struct remote_domain_managed_save_remove_args {
unsigned int flags;
};
+struct remote_domain_managed_save_get_xml_desc_args {
+ remote_nonnull_domain dom;
+ unsigned int flags;
+};
+
+struct remote_domain_managed_save_get_xml_desc_ret {
+ remote_nonnull_string xml;
+};
+
struct remote_domain_snapshot_create_xml_args {
remote_nonnull_domain dom;
remote_nonnull_string xml_desc;
@@ -6079,6 +6088,12 @@ enum remote_procedure {
* @generate: both
* @acl: domain:migrate
*/
- REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_DOWNTIME = 387
+ REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_DOWNTIME = 387,
+ /**
+ * @generate: both
+ * @acl: domain:read
+ * @acl: domain:read_secure:VIR_DOMAIN_XML_SECURE
+ */
+ REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388
};
diff --git a/src/remote_protocol-structs b/src/remote_protocol-structs
index 540553efe..4803a46f2 100644
--- a/src/remote_protocol-structs
+++ b/src/remote_protocol-structs
@@ -1970,6 +1970,13 @@ struct remote_domain_managed_save_remove_args {
remote_nonnull_domain dom;
u_int flags;
};
+struct remote_domain_managed_save_get_xml_desc_args {
+ remote_nonnull_domain dom;
+ u_int flags;
+};
+struct remote_domain_managed_save_get_xml_desc_ret {
+ remote_nonnull_string xml;
+};
struct remote_domain_snapshot_create_xml_args {
remote_nonnull_domain dom;
remote_nonnull_string xml_desc;
@@ -3241,4 +3248,5 @@ enum remote_procedure {
REMOTE_PROC_DOMAIN_EVENT_BLOCK_THRESHOLD = 385,
REMOTE_PROC_DOMAIN_SET_BLOCK_THRESHOLD = 386,
REMOTE_PROC_DOMAIN_MIGRATE_GET_MAX_DOWNTIME = 387,
+ REMOTE_PROC_DOMAIN_MANAGED_SAVE_GET_XML_DESC = 388,
};
--
2.14.1
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