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[pull] master from Azure:master #1092

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Nov 1, 2020
Merged

[pull] master from Azure:master #1092

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26 changes: 19 additions & 7 deletions files/image_config/hostcfgd/hostcfgd
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Original file line number Diff line number Diff line change
Expand Up @@ -233,17 +233,24 @@ class HostConfigDaemon:
self.config_db = ConfigDBConnector()
self.config_db.connect(wait_for_init=True, retry_on=True)
syslog.syslog(syslog.LOG_INFO, 'ConfigDB connect success')

self.aaacfg = AaaCfg()
self.iptables = Iptables()
# Cache the values of 'state' field in 'FEATURE' table of each container
self.cached_feature_states = {}

self.is_multi_npu = device_info.is_multi_npu()


def load(self):
aaa = self.config_db.get_table('AAA')
tacacs_global = self.config_db.get_table('TACPLUS')
tacacs_server = self.config_db.get_table('TACPLUS_SERVER')
self.aaacfg = AaaCfg()
self.aaacfg.load(aaa, tacacs_global, tacacs_server)

lpbk_table = self.config_db.get_table('LOOPBACK_INTERFACE')
self.iptables = Iptables()
self.iptables.load(lpbk_table)
self.is_multi_npu = device_info.is_multi_npu()
# Cache the values of 'state' field in 'FEATURE' table of each container
self.cached_feature_states = {}


def update_feature_state(self, feature_name, state, feature_table):
has_timer = ast.literal_eval(feature_table[feature_name].get('has_timer', 'False'))
Expand Down Expand Up @@ -367,14 +374,19 @@ class HostConfigDaemon:
self.update_feature_state(feature_name, state, feature_table)

def start(self):
# Update all feature states once upon starting
self.update_all_feature_states()

self.config_db.subscribe('AAA', lambda table, key, data: self.aaa_handler(key, data))
self.config_db.subscribe('TACPLUS_SERVER', lambda table, key, data: self.tacacs_server_handler(key, data))
self.config_db.subscribe('TACPLUS', lambda table, key, data: self.tacacs_global_handler(key, data))
self.config_db.subscribe('LOOPBACK_INTERFACE', lambda table, key, data: self.lpbk_handler(key, data))
self.config_db.subscribe('FEATURE', lambda table, key, data: self.feature_state_handler(key, data))

# Update all feature states once upon starting
self.update_all_feature_states()

# Defer load until subscribe
self.load()

self.config_db.listen()


Expand Down