Manually migrate Vsphere visualizations to lens in current Kibana version 8.7.0 itself.

Preparation of data for testing

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

Migration stats

Dashboard : [Metrics VSphere] Hosts Overview

• Migrate 7 visualizations to the lens.
  • [O11y][Vsphere] Migrate Hosts Overview dashboard visualizations to lens in kibana 8.7.0 #5810

Dashboard : [Metrics VSphere] VMs overview

• Migrate 5 visualizations to the lens.
  • [O11y][Vsphere] Migrate VMs Overview dashboard visualizations to lens in kibana 8.7.0  #5811

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 Dashboard are not distorted in supported Kibana version (8.7.0)

Issues Identified

• Gauge chart (arc) type is not available in lens. In Lens, only horizontal and vertical gauge chart are supported.
  [Lens] Support bullet/gauge chart kibana#89859
  Impact : [ Severity : Critical, Workaround : Yes (Convert the panel into either horizontal/vertical gauge chart or metric visualization)]
• [O11y][Vsphere] Change format of value to bytes #5820