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Add support for unsafe migration

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This patch adds VIR_MIGRATE_UNSAFE flag for migration APIs and new
VIR_ERR_MIGRATION_UNSAFE error code.  The error code should be returned
whenever migrating a domain is considered unsafe (e.g., it's configured
in a way that does not ensure data integrity once it is migrated).
VIR_MIGRATE_UNSAFE flag may be used to force migration even though it
would normally be considered unsafe and forbidden.
This commit is contained in:
Jiri Denemark 2012-02-20 09:16:23 +01:00
parent 2b38e59bd8
commit 7808844dd1
4 changed files with 12 additions and 1 deletions
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2
include/libvirt/libvirt.h.in
View File

@ -934,7 +934,7 @@ typedef enum {
VIR_MIGRATE_CHANGE_PROTECTION = (1 << 8), /* protect for changing domain configuration through the
* whole migration process; this will be used automatically
* when supported */
VIR_MIGRATE_UNSAFE = (1 << 9), /* force migration even if it is considered unsafe */
} virDomainMigrateFlags;
/* Domain migration. */

1
include/libvirt/virterror.h
View File

@ -245,6 +245,7 @@ typedef enum {
canceled/aborted by user */
VIR_ERR_AUTH_CANCELLED = 79, /* authentication cancelled */
VIR_ERR_NO_DOMAIN_METADATA = 80, /* The metadata is not present */
VIR_ERR_MIGRATE_UNSAFE = 81, /* Migration is not safe */
} virErrorNumber;
/**

4
src/libvirt.c
View File

@ -5110,6 +5110,7 @@ virDomainMigrateDirect (virDomainPtr domain,
* VIR_MIGRATE_CHANGE_PROTECTION Protect against domain configuration
* changes during the migration process (set
* automatically when supported).
* VIR_MIGRATE_UNSAFE Force migration even if it is considered unsafe.
*
* VIR_MIGRATE_TUNNELLED requires that VIR_MIGRATE_PEER2PEER be set.
* Applications using the VIR_MIGRATE_PEER2PEER flag will probably
@ -5301,6 +5302,7 @@ error:
* VIR_MIGRATE_CHANGE_PROTECTION Protect against domain configuration
* changes during the migration process (set
* automatically when supported).
* VIR_MIGRATE_UNSAFE Force migration even if it is considered unsafe.
*
* VIR_MIGRATE_TUNNELLED requires that VIR_MIGRATE_PEER2PEER be set.
* Applications using the VIR_MIGRATE_PEER2PEER flag will probably
@ -5509,6 +5511,7 @@ error:
* VIR_MIGRATE_CHANGE_PROTECTION Protect against domain configuration
* changes during the migration process (set
* automatically when supported).
* VIR_MIGRATE_UNSAFE Force migration even if it is considered unsafe.
*
* The operation of this API hinges on the VIR_MIGRATE_PEER2PEER flag.
* If the VIR_MIGRATE_PEER2PEER flag is NOT set, the duri parameter
@ -5633,6 +5636,7 @@ error:
* VIR_MIGRATE_CHANGE_PROTECTION Protect against domain configuration
* changes during the migration process (set
* automatically when supported).
* VIR_MIGRATE_UNSAFE Force migration even if it is considered unsafe.
*
* The operation of this API hinges on the VIR_MIGRATE_PEER2PEER flag.
*

6
src/util/virterror.c
View File

@ -1232,6 +1232,12 @@ virErrorMsg(virErrorNumber error, const char *info)
else
errmsg = _("metadata not found: %s");
break;
case VIR_ERR_MIGRATE_UNSAFE:
if (!info)
errmsg = _("Unsafe migration");
else
errmsg = _("Unsafe migration: %s");
break;
}
return (errmsg);
}