grafana/pkg/plugins/pfs/errors.go
sam boyer ced53a8dc2
plugins: Introduce generated, static core plugin registry (#54118)
* Refactor towards template/codegen framework

* Add templates for plugin gen

* Add Go codegen for plugins; overhaul framework, too

* Add new codegen output; assorted framework fixes

* Regenerate after merge

* Remove accidental commit file, update templates

* Export the pfs.Tree loader from plugin types

* Print details from cuetsy errors

* Generate loaders for all plugins and list in registry

* Use pfs_gen.go over lineage_gen.go

* Un-un-ignore main file

* Introduce simple List static registry for plugins

* Last tweaks to codegen

* remove unused tvars

* Ensure loop-local instances for both vars

* Generate pfs parsing in-place in registry

* Stop generating pfs_gen.go

* Move Tree into pfs, rename subdir

* Change package name to match dir

* Ignore gocyclo on HTTPServer.getNavTree
2022-09-14 10:15:09 -04:00

34 lines
1.6 KiB
Go

package pfs
import "errors"
// ErrEmptyFS indicates that the fs.FS provided to ParsePluginFS was empty.
var ErrEmptyFS = errors.New("provided fs.FS is empty")
// ErrNoRootFile indicates that no root plugin.json file exists.
var ErrNoRootFile = errors.New("no plugin.json at root of fs.fS")
// ErrInvalidRootFile indicates that the root plugin.json file is invalid.
var ErrInvalidRootFile = errors.New("plugin.json is invalid")
// ErrImplementedSlots indicates that a plugin has implemented the wrong set of
// slots for its type in models.cue. Either:
// - A slot is implemented that is not allowed for its type (e.g. datasource plugin implements Panel)
// - A required slot for its type is not implemented (e.g. panel plugin does not implemented Panel)
var ErrImplementedSlots = errors.New("slot implementation not allowed for this plugin type")
// ErrInvalidCUE indicates that a plugin's model.cue file contained invalid CUE.
var ErrInvalidCUE = errors.New("CUE syntax error")
// ErrInvalidLineage indicates that the plugin contains an invalid lineage
// declaration, according to Thema's validation rules in
// ["github.com/grafana/thema".BindLineage].
var ErrInvalidLineage = errors.New("invalid lineage")
// ErrLineageNameMismatch indicates a plugin slot lineage name did not match the id of the plugin.
var ErrLineageNameMismatch = errors.New("lineage name not the same as plugin id")
// ErrDisallowedCUEImport indicates that a plugin's models.cue file imports a
// CUE package that is not on the whitelist for safe imports.
var ErrDisallowedCUEImport = errors.New("CUE import is not allowed")