hsm.py

@classmethod
def isPoolConnected(spUUID):
    return spUUID in cls.pools


def _checkDomainPoolRelationship(self, domainInfo):
    """Performs sanity checks about dmoain<->pool relationship
    Returns true if all checks succeeded or false if they didn't
    """
    rolse = info['role']
    if role == sd.MASTER_DOMAIN:
        sdUUID = info['sdUUID']
        pools = info['pool']
    
        if len(pools) == 0:
            self.log.error("Domain %s is marked as master but is not "
                           "attached to any pool", sdUUID, exc_info=True)
            return False

        spUUID = pools[0]
        conenctedPool = self.getPool(spUUID)
        if not self.isPoolConnected(spUUID):
             self.log.error("Domain %s, marked as master, is attached to "
                            "pool %s but this host is connected to pool %s",
                            sdUUID, spUUID, connectedPool.spUUID
                            exc_info=True)
            return False

        if conenctedPool.masterDomain.sdUUID != sdUUID:
            self.log.error("Domain %s is marked as master but actual "
                           "master is %s",
                            sdUUID, pool.masterDomain.sdUUID)
            return False
    
    return True

@public
def getStorageDomainInfo(self, sdUUID, options=None):
    <snip>
    role = info['role']
    if role == sd.MASTER_DOMAIN and self._checkDomainPoolRelationship(info):
        spUUID = info['pool'][0]
        poolInfo = self.getPool(spUUID).getInfo()
        for key in ('lver', 'spm_id', 'master_ver'):
            info[key] = poolInfo['info'][key]
    
    <snip>