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Fixing db_migrator for Feature table (sonic-net#1674)
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#### What I did
Fixing db_migrator.py for FEATURE table. In case of version_unknown, all versions' migrator APIs would be invoked which will also invoke the feature_table migration. Without the field check for 'status' the current logic will set it 'disabled' and will set 'state' field too to be 'disabled' which will in turn disable all the features bringing down the system.

#### How I did it
Added check to migrate only if 'status' field is present.

#### How to verify it
Install the image through onie and confirm if services are up
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dgsudharsan authored Jun 17, 2021
1 parent d1c1c61 commit 19615e3
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Showing 4 changed files with 24 additions and 3 deletions.
8 changes: 5 additions & 3 deletions scripts/db_migrator.py
Original file line number Diff line number Diff line change
Expand Up @@ -180,9 +180,11 @@ def migrate_feature_table(self):
'''
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)
state = config.get('status')
if state is not None:
config['state'] = state
config.pop('status')
self.configDB.set_entry('FEATURE', feature, config)

container_feature_table = self.configDB.get_table('CONTAINER_FEATURE')
for feature, config in container_feature_table.items():
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8 changes: 8 additions & 0 deletions tests/db_migrator_input/config_db/feature-expected.json
Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,14 @@
"high_mem_alert": "disabled",
"state": "enabled"
},
"FEATURE|syncd": {
"auto_restart": "enabled",
"has_global_scope": "False",
"has_per_asic_scope": "True",
"has_timer": "False",
"high_mem_alert": "disabled",
"state": "enabled"
},
"FEATURE|telemetry": {
"auto_restart": "enabled",
"has_global_scope": "False",
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3 changes: 3 additions & 0 deletions tests/db_migrator_input/config_db/feature-input.json
Original file line number Diff line number Diff line change
Expand Up @@ -9,5 +9,8 @@
},
"FEATURE|telemetry": {
"status": "enabled"
},
"FEATURE|syncd": {
"state": "enabled"
}
}
8 changes: 8 additions & 0 deletions tests/db_migrator_input/init_cfg.json
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,14 @@
"high_mem_alert": "disabled",
"state": "enabled"
},
"syncd": {
"auto_restart": "enabled",
"has_global_scope": "False",
"has_per_asic_scope": "True",
"has_timer": "False",
"high_mem_alert": "disabled",
"state": "enabled"
},
"telemetry": {
"auto_restart": "disabled",
"has_global_scope": "False",
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