Add more logs to schema-migrator

[MarekMichali]

Description

Changes proposed in this pull request:

• Enhance temporary error logs
• Log the start and end of the step
• Log current migration version
• Make logs more consistent

Related issue(s)

See also #3402

[MarekMichali]

Logs when doing migration

2024/03/07 10:54:30 main.go:105: # MIGRATION UP #
2024/03/07 10:54:30 main.go:136: # WAITING FOR CONNECTION WITH DATABASE #
2024/03/07 10:54:30 main.go:148: # CONNECTION WITH DATABASE ESTABLISHED #
2024/03/07 10:54:30 main.go:149: # STARTING TO COPY MIGRATION FILES #
2024/03/07 10:54:30 main.go:165: # LOADING MIGRATION FILES FROM CONFIGMAP #
2024/03/07 10:54:30 main.go:174: # LOADING MIGRATION FILES FROM CONFIGMAP DONE #
2024/03/07 10:54:30 main.go:178: # LOADING EMBEDDED MIGRATION FILES FROM THE SCHEMA-MIGRATOR IMAGE #
2024/03/07 10:54:30 main.go:182: # NO MIGRATION FILES EMBEDDED TO THE SCHEMA-MIGRATOR IMAGE, SKIPPING STEP #
2024/03/07 10:54:30 main.go:190: # INITIALIZING DRIVER #
2024/03/07 10:54:30 main.go:202: # DRIVER INITIALIZED #
2024/03/07 10:54:30 main.go:203: # STARTING MIGRATION #
Executed 202001221020/u initialize_schema (10.1065ms)
Executed 202001231030/u add_datetimes_to_instances (16.354875ms)
Executed 202002121000/u add_operations (23.991125ms)
Executed 202002201000/u add_lms_tenants (32.665833ms)
Executed 202004032115/u add_additonal_runtime_info (37.938125ms)
Executed 202004201217/u fix-delated-typo (42.934875ms)
Executed 202008241000/u add_orchestrations (51.432791ms)
Executed 202009171000/u add_runtime_states (59.822042ms)
Executed 202009230900/u add_orchestration_id_to_operation (64.605708ms)
Executed 202010131417/u add_provider_region_to_instance (69.724709ms)
Executed 202012150900/u add_provisioning_parameters_to_operation (75.061083ms)
Executed 202012151612/u add_version_to_instance (70.226125ms)
Executed 202101131044/u add_not_null_provisioning_parameters (68.192667ms)
Executed 202101131045/u add_cls_instances (71.644208ms)
Executed 202103011331/u orchestration_type (68.318959ms)
Executed 202103251452/u add_indexes (70.500292ms)
Executed 202104010820/u add_finished_stages (70.396334ms)
Executed 202105191350/u add_instance_provider (67.417833ms)
Executed 202141251610/u add_reconciler_input (63.263709ms)
Executed 202143071502/u add_instance_subscriptionGAID (63.546458ms)
Executed 202207281547/u add_expired_at (63.795ms)
Executed 202209211320/u events (68.15425ms)
Executed 202210121025/u drop_events_references (68.580333ms)
Executed 202312201225/u resize_provider_column (70.029ms)
Executed 202402211130/u instance_archived (66.454084ms)
Executed 202403061100/u add_subaccount_states (69.076292ms)
2024/03/07 10:54:30 main.go:234: # MIGRATION DONE #
2024/03/07 10:54:30 main.go:243: # CURRENT ACTIVE MIGRATION VERSION: 202403061100 #
# HALT ISTIO SIDECAR #

[MarekMichali]

Logs when there are no new migrations

2024/03/07 10:54:37 main.go:105: # MIGRATION UP #
2024/03/07 10:54:37 main.go:136: # WAITING FOR CONNECTION WITH DATABASE #
2024/03/07 10:54:37 main.go:148: # CONNECTION WITH DATABASE ESTABLISHED #
2024/03/07 10:54:37 main.go:149: # STARTING TO COPY MIGRATION FILES #
2024/03/07 10:54:37 main.go:165: # LOADING MIGRATION FILES FROM CONFIGMAP #
2024/03/07 10:54:37 main.go:174: # LOADING MIGRATION FILES FROM CONFIGMAP DONE #
2024/03/07 10:54:37 main.go:178: # LOADING EMBEDDED MIGRATION FILES FROM THE SCHEMA-MIGRATOR IMAGE #
2024/03/07 10:54:37 main.go:182: # NO MIGRATION FILES EMBEDDED TO THE SCHEMA-MIGRATOR IMAGE, SKIPPING STEP #
2024/03/07 10:54:37 main.go:190: # INITIALIZING DRIVER #
2024/03/07 10:54:37 main.go:202: # DRIVER INITIALIZED #
2024/03/07 10:54:37 main.go:203: # STARTING MIGRATION #
2024/03/07 10:54:37 main.go:231: # NO CHANGES DETECTED #
2024/03/07 10:54:37 main.go:234: # MIGRATION DONE #
2024/03/07 10:54:37 main.go:243: # CURRENT ACTIVE MIGRATION VERSION: 202403061100 #
# HALT ISTIO SIDECAR #