Meilleur gestion des backups XenServer
This commit is contained in:
ssamson-tis
+54
-26
@@ -43,7 +43,8 @@ class copy_vm_xcp(backup_generic):
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optional_params = backup_generic.optional_params + ['start_vm','max_copies']
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start_vm = "no"
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max_copies = 1
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max_copies = 1
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def read_config(self,iniconf):
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assert(isinstance(iniconf,ConfigParser))
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@@ -54,8 +55,7 @@ class copy_vm_xcp(backup_generic):
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self.max_copies = iniconf.getint('global','max_copies')
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def copy_vm_to_sr(self, vm_name, storage_name, dry_run):
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def copy_vm_to_sr(self, vm_name, storage_name, dry_run):
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user_xen, password_xen, null = open(self.password_file).read().split('\n')
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session = XenAPI.Session('https://'+self.server_name)
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try:
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@@ -76,20 +76,25 @@ class copy_vm_xcp(backup_generic):
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try:
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storage = session.xenapi.SR.get_by_name_label(storage_name)[0]
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except IndexError,error:
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return("error get storage opaqueref %s"%(error))
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result = (1,"error get VM opaqueref %s"%(error))
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return result
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#get vm to copy opaqueRef
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try:
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vm = session.xenapi.VM.get_by_name_label(vm_name)[0]
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except IndexError,error:
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return("error get VM opaqueref %s"%(error))
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result = (1,"error get VM opaqueref %s"%(error))
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return result
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#do the snapshot
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self.logger.debug("[%s] Snapshot in progress",self.backup_name)
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try:
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snapshot = session.xenapi.VM.snapshot(vm,"tisbackup-%s"%(vm_name))
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except XenAPI.Failure, error:
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return("error when snapshot %s"%(error))
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result = (1,"error when snapshot %s"%(error))
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return result
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#get snapshot opaqueRef
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snapshot = session.xenapi.VM.get_by_name_label("tisbackup-%s"%(vm_name))[0]
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@@ -128,20 +133,25 @@ class copy_vm_xcp(backup_generic):
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try:
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self.logger.debug("[%s] Deleting old vm : %s", self.backup_name, list_backups[i])
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for vbd in session.xenapi.VM.get_VBDs(oldest_backup_vm):
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vdi = session.xenapi.VBD.get_VDI(vbd)
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if not 'NULL' in vdi:
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session.xenapi.VDI.destroy(vdi)
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if session.xenapi.VBD.get_type(vbd) == 'CD'and session.xenapi.VBD.get_record(vbd)['empty'] == False:
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session.xenapi.VBD.eject(vbd)
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else:
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vdi = session.xenapi.VBD.get_VDI(vbd)
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if not 'NULL' in vdi:
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session.xenapi.VDI.destroy(vdi)
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session.xenapi.VM.destroy(oldest_backup_vm)
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except XenAPI.Failure, error:
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return("error when destroy old backup vm %s"%(error))
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result = (1,"error when destroy old backup vm %s"%(error))
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return result
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self.logger.debug("[%s] Copy %s in progress on %s",self.backup_name,vm_name,storage_name)
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try:
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backup_vm = session.xenapi.VM.copy(snapshot,vm_backup_name+now.strftime("%Y-%m-%d %H:%M"),storage)
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except XenAPI.Failure, error:
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return("error when copy %s"%(error))
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result = (1,"error when copy %s"%(error))
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return result
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# define VM as a template
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@@ -151,7 +161,9 @@ class copy_vm_xcp(backup_generic):
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try:
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vifDestroy = session.xenapi.VM.get_VIFs(backup_vm)
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except IndexError,error:
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return("error get VIF opaqueref %s"%(error))
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result = (1,"error get VIF opaqueref %s"%(error))
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return result
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for i in vifDestroy:
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vifRecord = session.xenapi.VIF.get_record(i)
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@@ -179,46 +191,62 @@ class copy_vm_xcp(backup_generic):
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try:
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session.xenapi.VIF.create(data)
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except Exception, error:
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return(error)
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result = (1,error)
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return result
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if self.start_vm in ['true', '1', 't', 'y', 'yes', 'oui']:
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session.xenapi.VM.start(backup_vm,False,True)
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session.xenapi.VM.set_name_description(backup_vm,"snapshot created by tisbackup on : %s"%(now.strftime("%Y-%m-%d %H:%M")))
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size_backup = 0
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for vbd in session.xenapi.VM.get_VBDs(backup_vm):
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if session.xenapi.VBD.get_type(vbd) == 'CD' and session.xenapi.VBD.get_record(vbd)['empty'] == False:
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session.xenapi.VBD.eject(vbd)
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else:
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vdi = session.xenapi.VBD.get_VDI(vbd)
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if not 'NULL' in vdi:
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size_backup = size_backup + int(session.xenapi.VDI.get_record(vdi)['physical_utilisation'])
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#delete the snapshot
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try:
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session.xenapi.VM.destroy(snapshot)
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for vbd in session.xenapi.VM.get_VBDs(snapshot):
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if session.xenapi.VBD.get_type(vbd) == 'CD' and session.xenapi.VBD.get_record(vbd)['empty'] == False:
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session.xenapi.VBD.eject(vbd)
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else:
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vdi = session.xenapi.VBD.get_VDI(vbd)
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if not 'NULL' in vdi:
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session.xenapi.VDI.destroy(vdi)
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session.xenapi.VM.destroy(snapshot)
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except XenAPI.Failure, error:
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return("error when destroy snapshot %s"%(error))
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result = (1,"error when destroy snapshot %s"%(error))
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return result
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return(0)
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result = (0,size_backup)
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return result
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def do_backup(self,stats):
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try:
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timestamp = int(time.time())
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cmd = self.copy_vm_to_sr(self.vm_name, self.storage_name, self.dry_run)
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if cmd == 0:
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if cmd[0] == 0:
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timeExec = int(time.time()) - timestamp
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stats['log']='copy of %s to an other storage OK' % (self.backup_name)
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stats['status']='OK'
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stats['total_files_count'] = 1
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stats['total_bytes'] = cmd[1]
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stats['backup_location'] = self.storage_name
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else:
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stats['status']='ERROR'
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stats['log']=cmd
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stats['log']=cmd[1]
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except BaseException,e:
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stats['status']='ERROR'
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stats['log']=str(e)
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raise
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register_driver(copy_vm_xcp)
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register_driver(copy_vm_xcp)
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