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36 changes: 26 additions & 10 deletions scripts/db_migrator.py
Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,21 @@ def migrate_intf_table(self):
self.appDB.set(self.appDB.APPL_DB, table, 'NULL', 'NULL')
if_db.append(if_name)

def migrate_feature_table(self):
'''
Combine CONTAINER_FEATURE and FEATURE tables into FEATURE table.
'''
feature_table = self.configDB.get_table('FEATURE')
for feature, config in feature_table.items():
state = config.pop('status', 'disabled')
config['state'] = state
self.configDB.set_entry('FEATURE', feature, config)

container_feature_table = self.configDB.get_table('CONTAINER_FEATURE')
for feature, config in container_feature_table.items():
self.configDB.mod_entry('FEATURE', feature, config)
self.configDB.set_entry('CONTAINER_FEATURE', feature, None)

def version_unknown(self):
"""
version_unknown tracks all SONiC versions that doesn't have a version
Expand Down Expand Up @@ -207,6 +222,8 @@ def version_1_0_3(self):
"""
log.log_info('Handling version_1_0_3')

self.migrate_feature_table()

# Check ASIC type, if Mellanox platform then need DB migration
if self.asic_type == "mellanox":
if self.mellanox_buffer_migrator.mlnx_migrate_buffer_pool_size('version_1_0_3', 'version_1_0_4') and self.mellanox_buffer_migrator.mlnx_migrate_buffer_profile('version_1_0_3', 'version_1_0_4'):
Expand Down Expand Up @@ -246,15 +263,13 @@ def get_version(self):

return 'version_unknown'


def set_version(self, version=None):
if not version:
version = self.CURRENT_VERSION
log.log_info('Setting version to ' + version)
entry = { self.TABLE_FIELD : version }
self.configDB.set_entry(self.TABLE_NAME, self.TABLE_KEY, entry)


def common_migration_ops(self):
try:
with open(INIT_CFG_FILE) as f:
Expand All @@ -263,15 +278,16 @@ def common_migration_ops(self):
raise Exception(str(e))

for init_cfg_table, table_val in init_db.items():
data = self.configDB.get_table(init_cfg_table)
if data:
# Ignore overriding the values that pre-exist in configDB
continue
log.log_info("Migrating table {} from INIT_CFG to config_db".format(init_cfg_table))
# Update all tables that do not exist in configDB but are present in INIT_CFG
for init_table_key, init_table_val in table_val.items():
self.configDB.set_entry(init_cfg_table, init_table_key, init_table_val)

for key in table_val:
curr_cfg = self.configDB.get_entry(init_cfg_table, key)
init_cfg = table_val[key]

# Override init config with current config.
# This will leave new fields from init_config
# in new_config, but not override existing configuration.
new_cfg = {**init_cfg, **curr_cfg}
self.configDB.set_entry(init_cfg_table, key, new_cfg)

def migrate(self):
version = self.get_version()
Expand Down