plugins: New static scanner and validator, with Thema slot support (#53754)

* coremodels: Convert plugin-metadata schema to a coremodel

* Newer cuetsy; try quoting field name

* Add slot definitions

* Start sketching out pfs package

* Rerun codegen with fixes, new cuetsy

* Catch up dashboard with new cuetsy

* Update to go1.18

* Use new vmuxers in thema

* Add slot system in Go

* Draft finished implementation of pfs

* Collapse slot pkg into coremodel dir; add PluginInfo

* Add the mux type on top of kernel

* Refactor plugin generator for extensibility

* Change models.cue package, numerous debugs

* Bring new output to parity with old

* Remove old plugin generation logic

* Misc tweaking

* Reintroduce generation of shared schemas

* Drop back to go1.17

* Add globbing to tsconfig exclude

* Introduce pfs test on existing testdata

* Make most existing testdata tests pass with pfs

* coremodels: Convert plugin-metadata schema to a coremodel

* Newer cuetsy; try quoting field name

* Add APIType control concept, regen pluginmeta

* Use proper numeric types for schema fields

* Make pluginmeta schema follow Go type breakdown

* More decomposition into distinct types

* Add test case for no plugin.json file

* Fix missing ref to #Dependencies

* Remove generated TS for pluginmeta

* Update dependencies, rearrange go.mod

* Regenerate without Model prefix

* Use updated thema loader; this is now runnable

* Skip app plugin with weird include

* Make plugin tree extractor reusable

* Split out slot lineage load/validate logic

* Add myriad tests for new plugin validation failures

* Add test for zip fixtures

* One last run of codegen

* Proper delinting

* Ensure validation order is deterministic

* Let there actually be sorting

* Undo reliance on builtIn field (#54009)

* undo builtIn reliance

* fix tests

Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

pkg/coremodel/pluginmeta/pluginmeta_gen.go

@@ -86,6 +86,8 @@ const (
 
 	ReleaseStateBeta ReleaseState = "beta"
 
+	ReleaseStateDeprecated ReleaseState = "deprecated"
+
 	ReleaseStateStable ReleaseState = "stable"
 )
 
@@ -108,6 +110,10 @@ type Model struct {
 	// If the plugin has a backend component.
 	Backend *bool `json:"backend,omitempty"`
 
+	// builtin indicates whether the plugin is developed and shipped as part
+	// of Grafana. Also known as a "core plugin."
+	BuiltIn bool `json:"builtIn"`
+
 	// Plugin category used on the Add data source page.
 	Category *Category `json:"category,omitempty"`
 
@@ -146,6 +152,10 @@ type Model struct {
 	// request.
 	HiddenQueries *bool `json:"hiddenQueries,omitempty"`
 
+	// hideFromList excludes the plugin from listings in Grafana's UI. Only
+	// allowed for builtin plugins.
+	HideFromList bool `json:"hideFromList"`
+
 	// Unique name of the plugin. If the plugin is published on
 	// grafana.com, then the plugin id has to follow the naming
 	// conventions.
@@ -185,7 +195,7 @@ type Model struct {
 		} `json:"links,omitempty"`
 
 		// SVG images that are used as plugin icons.
-		Logos struct {
+		Logos *struct {
 			// Link to the "large" version of the plugin logo, which must be
 			// an SVG image. "Large" and "small" logos can be the same image.
 			Large string `json:"large"`
@@ -193,7 +203,7 @@ type Model struct {
 			// Link to the "small" version of the plugin logo, which must be
 			// an SVG image. "Large" and "small" logos can be the same image.
 			Small string `json:"small"`
-		} `json:"logos"`
+		} `json:"logos,omitempty"`
 
 		// An array of screenshot objects in the form `{name: 'bar', path:
 		// 'img/screenshot.png'}`
@@ -203,10 +213,10 @@ type Model struct {
 		} `json:"screenshots,omitempty"`
 
 		// Date when this plugin was built.
-		Updated string `json:"updated"`
+		Updated *string `json:"updated,omitempty"`
 
 		// Project version of this commit, e.g. `6.7.x`.
-		Version string `json:"version"`
+		Version *string `json:"version,omitempty"`
 	} `json:"info"`
 
 	// For data source plugins, if the plugin supports logs.
@@ -420,7 +430,7 @@ type Info struct {
 	} `json:"links,omitempty"`
 
 	// SVG images that are used as plugin icons.
-	Logos struct {
+	Logos *struct {
 		// Link to the "large" version of the plugin logo, which must be
 		// an SVG image. "Large" and "small" logos can be the same image.
 		Large string `json:"large"`
@@ -428,7 +438,7 @@ type Info struct {
 		// Link to the "small" version of the plugin logo, which must be
 		// an SVG image. "Large" and "small" logos can be the same image.
 		Small string `json:"small"`
-	} `json:"logos"`
+	} `json:"logos,omitempty"`
 
 	// An array of screenshot objects in the form `{name: 'bar', path:
 	// 'img/screenshot.png'}`
@@ -438,10 +448,10 @@ type Info struct {
 	} `json:"screenshots,omitempty"`
 
 	// Date when this plugin was built.
-	Updated string `json:"updated"`
+	Updated *string `json:"updated,omitempty"`
 
 	// Project version of this commit, e.g. `6.7.x`.
-	Version string `json:"version"`
+	Version *string `json:"version,omitempty"`
 }
 
 // TODO docs