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Update for the procedures for insertion/hot swap of Switch Fabric Module(SFM) by using "config chassis modules shutdown/startup" commands #475

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Update for the procedures for insertion/hot swap of Switch Fabric Module(SFM) by using "config chassis modules shutdown/startup" commands #475

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1ed77d3
Update for the procedures for insertion/hot swap of Switch Fabric Mod…
JunhongMao Apr 22, 2024
2cd0832
fix based on review comments
JunhongMao Apr 25, 2024
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37 changes: 26 additions & 11 deletions sonic-chassisd/scripts/chassisd
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ INVALID_SLOT = ModuleBase.MODULE_INVALID_SLOT
INVALID_MODULE_INDEX = -1
INVALID_IP = '0.0.0.0'

CHASSIS_MODULE_ADMIN_STATUS = 'admin_status'
MODULE_ADMIN_DOWN = 0
MODULE_ADMIN_UP = 1

Expand Down Expand Up @@ -242,8 +243,18 @@ class ModuleUpdater(logger.Logger):
if isinstance(fvs, list) and fvs[0] is True:
fvs = dict(fvs[-1])
return fvs[CHASSIS_MODULE_INFO_OPERSTATUS_FIELD]
return ModuleBase.MODULE_STATUS_EMPTY

return ModuleBase.MODULE_STATUS_EMPTY

def get_module_admin_status(self, chassis_module_name):
config_db = daemon_base.db_connect("CONFIG_DB")
vtable = swsscommon.Table(config_db, CHASSIS_CFG_TABLE)
fvs = vtable.get(chassis_module_name)
if isinstance(fvs, list) and fvs[0] is True:
fvs = dict(fvs[-1])
return fvs[CHASSIS_MODULE_ADMIN_STATUS]
else:
return 'up'

def module_db_update(self):
notOnlineModules = []

Expand Down Expand Up @@ -302,16 +313,20 @@ class ModuleUpdater(logger.Logger):
elif prev_status != ModuleBase.MODULE_STATUS_ONLINE:
self.log_notice("Module {} is on-line!".format(key))

for asic_id, asic in enumerate(module_info_dict[CHASSIS_MODULE_INFO_ASICS]):
asic_global_id, asic_pci_addr = asic
asic_key = "%s%s" % (CHASSIS_ASIC, asic_global_id)
if not self._is_supervisor():
asic_key = "%s|%s" % (key, asic_key)
module_cfg_status = self.get_module_admin_status(key)

#Only populate the related tables when the module configure is up
if module_cfg_status != 'down':
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for asic_id, asic in enumerate(module_info_dict[CHASSIS_MODULE_INFO_ASICS]):
asic_global_id, asic_pci_addr = asic
asic_key = "%s%s" % (CHASSIS_ASIC, asic_global_id)
if not self._is_supervisor():
asic_key = "%s|%s" % (key, asic_key)

asic_fvs = swsscommon.FieldValuePairs([(CHASSIS_ASIC_PCI_ADDRESS_FIELD, asic_pci_addr),
(CHASSIS_MODULE_INFO_NAME_FIELD, key),
(CHASSIS_ASIC_ID_IN_MODULE_FIELD, str(asic_id))])
self.asic_table.set(asic_key, asic_fvs)
asic_fvs = swsscommon.FieldValuePairs([(CHASSIS_ASIC_PCI_ADDRESS_FIELD, asic_pci_addr),
(CHASSIS_MODULE_INFO_NAME_FIELD, key),
(CHASSIS_ASIC_ID_IN_MODULE_FIELD, str(asic_id))])
self.asic_table.set(asic_key, asic_fvs)

# In line card push the hostname of the module and num_asics to the chassis state db.
# The hostname is used as key to access chassis app db entries
Expand Down
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