feat: add port ip and host connection details

[rahulguptajss]

No description provided.

[Copilot]

Pull request overview

This PR extends Harvest’s metric surface and dashboards to expose additional connection details (E-Series port IP/host-board inventory) and adds new ONTAP SnapMirror fabriclink counters, along with regenerated metrics documentation.

Changes:

• Add ONTAP SnapMirror fabriclink metrics (snapmirror_fl_*) to metadata and docs.
• Add E-Series IO module/host-board inventory metric (eseries_host_board_labels) and update the E-Series Hardware Grafana dashboard to display it and include ip_address for host interfaces.
• Update generated metrics documentation creation dates.

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
mcp/metadata/ontap_metrics.json	Adds new SnapMirror fabriclink metric descriptions.
mcp/metadata/eseries_metrics.json	Adds eseries_host_board_labels metric description.
grafana/dashboards/eseries/hardware.json	Updates dashboard to newer Grafana JSON shape; adds host interface IP and a new IO Module/Host Board row/panel.
docs/storagegrid-metrics.md	Updates generated docs creation date.
docs/ontap-metrics.md	Updates creation date; documents new SnapMirror fabriclink metrics.
docs/eseries-metrics.md	Updates creation date; documents new host-board metric and panel link.
docs/cisco-switch-metrics.md	Updates generated docs creation date.
cmd/tools/grafana/dashboard_test.go	Updates datasource validation to accept both legacy and new Grafana datasource JSON shapes.
cmd/tools/generate/eseries_counter.yaml	Registers eseries_host_board_labels in generated counter metadata.
cmd/collectors/eseries/plugins/hardware/host_board.go	New hardware plugin code to collect/export host-board inventory.
cmd/collectors/eseries/plugins/hardware/hardware.go	Wires host-board matrix init + processing into the hardware plugin.
cmd/collectors/eseries/plugins/hardware/controller.go	Adds ip_address label to host interface labels and extracts IP from API response shapes.

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