[O11y][GCP VPC Flow] Lens Migration

[rajvi-patel-22]

Manually migrate GCP VPC Flow visualizations to the lens in the current Kibana version 8.7.1 itself.

Preparation of data for testing

• Use sample_event.json / setup live instance using docker / mock data using a mock server to populate dashboards

Migration stats

	Before Migration		After Migration
	Lens	Vizualization	Lens	Vizualization
[Logs GCP] VPC Flow	9	6	9	6

Dashboard : [Logs GCP] VPC Flow

• Migrate 6 visualization to lens
  • PR Link

Verification and Validation

• Verification of functionality remains the same after migration in Kibana
• Verification of data count of after-migrated visualization with before-migrated visualization in Kibana
• Verification of Dashboards is not distorted in the supported Kibana version (TBD)

[kush-elastic]

VPC Flow dashboard contains 6 Vega visualization which can not be migrated to lens:

[rajvi-patel-22]

The Vega visualizations uses Vega library which enables user to create custom visualizations. Hence, these visualizations can not be migrated to lens.