[Feature] Terraform: generate raw dashboard resource

[danielcorreia96]

Feature Description

Currently, the newrelic utils terraform dashboard command allows users to export NewRelic dashboards to the Terraform resource, newrelic_one_dashboard (https://registry.terraform.io/providers/newrelic/newrelic/latest/docs/resources/one_dashboard)

However, this command doesn't work for dashboards that use more complex features such as:

• Billboard widgets with thresholds
• Any widget with data formatting (identified by the dataFormatters field)

The reason this doesn't work is because the unmarshalling schema for the dashboard's "raw configuration" data is either

1. Missing fields (e.g. no thresholds field)
2. Or the fields types are incorrect (e.g. dataFormatters is not a list of strings)

(for reference:

newrelic-cli/internal/utils/terraform/dashboard.go

Lines 30 to 38 in e655dbc

	type DashboardWidgetRawConfiguration struct {
	DataFormatters []string `json:"dataFormatters"`
	NRQLQueries []DashboardWidgetNRQLQuery `json:"nrqlQueries"`
	LinkedEntityGUIDs []string `json:"linkedEntityGuids"`
	Text string `json:"text"`
	Facet DashboardWidgetFacet `json:"facet"`
	Legend DashboardWidgetLegend `json:"legend"`
	YAxisLeft DashboardWidgetYAxisLeft `json:"yAxisLeft"`
	}

)

Since covering all of these complex features scenarios both in the newrelic-cli project and the NewRelic Terraform provider is a lot of work, it would be nice if instead there was an alternative command (or flag) that allowed users to export dashboards to the raw dashboard resource in Terraform - newrelic_one_dashboard_raw.

• https://registry.terraform.io/providers/newrelic/newrelic/latest/docs/resources/one_dashboard_raw

Describe Alternatives

Other than implementing our own Terraform resource generator (similar to the one provided by newrelic-cli), there's no alternative.

Note that, for now, we've managed to workaround this internally by patching the utils terraform dashobard command to support a --raw flag but the current implementation isn't very polished 😅

Additional context

Add any other context here.

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[kidk]

Thanks for suggestion @danielcorreia96 Let me discuss with the team to see how hard this would be to implement.