async def revCoreLayers(self):
version = self.revs[-1][0] if self.revs else maxvers
# do a first pass to detect layers at the wrong version
# that we are not able to rev ourselves and bail...
layers = []
for layr in self.core.layers.values():
if layr.fresh:
await layr.setModelVers(version)
continue
vers = await layr.getModelVers()
if vers == version:
continue
if not layr.canrev and vers != version:
mesg = f'layer {layr.__class__.__name__} {layr.iden} ({layr.dirn}) can not be updated.'
raise s_exc.CantRevLayer(layer=layr.iden,
mesg=mesg,
curv=version,
layv=vers)
if vers > version:
mesg = f'layer {layr.__class__.__name__} {layr.iden} ({layr.dirn}) is from the future!'
raise s_exc.CantRevLayer(layer=layr.iden,
mesg=mesg,
curv=version,
layv=vers)
# realistically all layers are probably at the same version... but...
layers.append(layr)
# got anything to do?
if not layers:
return
for revvers, revmeth in self.revs:
todo = [
lyr for lyr in layers if await lyr.getModelVers() < revvers
]
if not todo:
continue
logger.warning(f'beginning model migration -> {revvers}')
await revmeth(todo)
[await lyr.setModelVers(revvers) for lyr in todo]
logger.warning('...model migrations complete!')
async def revCoreLayers(self):
version = self.revs[-1][0]
# do a first pass to detect layers at the wrong version
# that we are not able to rev ourselves and bail...
for layr in self.core.layers:
vers = await layr.getModelVers()
if not layr.canrev and vers != version:
mesg = f'layer {layr.__class__.__name__} {layr.iden} ({layr.dirn}) can not be updated.'
raise s_exc.CantRevLayer(layer=layr.iden, mesg=mesg)
for layr in self.core.layers:
# just bump brand new layers all the way up
if layr.fresh:
await layr.setModelVers(version)
continue
# skip layers with the right version
vers = await layr.getModelVers()
if vers == version:
continue
for revvers, revmeth in self.revs:
if vers < revvers:
logger.warning(
f'beginning model {vers} -> {revvers} (layer: {layr.iden})'
)
await revmeth(self.core, layr)
await layr.setModelVers(revvers)
logger.warning('...complete!')
vers = revvers