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
This commit is contained in:
sam boyer
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// Copyright 2022 Grafana Labs
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// This file is autogenerated. DO NOT EDIT.
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//
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// Run `make gen-cue` from repository root to regenerate.
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package corelist
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import (
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"fmt"
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"io/fs"
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"github.com/grafana/grafana"
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"github.com/grafana/grafana/pkg/plugins/pfs"
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"github.com/grafana/thema"
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)
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func makeTreeOrPanic(path string, pkgname string, lib thema.Library) *pfs.Tree {
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sub, err := fs.Sub(grafana.CueSchemaFS, path)
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if err != nil {
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panic("could not create fs sub to " + path)
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}
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tree, err := pfs.ParsePluginFS(sub, lib)
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if err != nil {
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panic(fmt.Sprintf("error parsing plugin metadata for %s: %s", pkgname, err))
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}
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return tree
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}
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func coreTreeList(lib thema.Library) pfs.TreeList {
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return pfs.TreeList{
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makeTreeOrPanic("public/app/plugins/datasource/alertmanager", "alertmanager", lib),
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makeTreeOrPanic("public/app/plugins/datasource/cloud-monitoring", "stackdriver", lib),
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makeTreeOrPanic("public/app/plugins/datasource/cloudwatch", "cloudwatch", lib),
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makeTreeOrPanic("public/app/plugins/datasource/dashboard", "dashboard", lib),
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makeTreeOrPanic("public/app/plugins/datasource/elasticsearch", "elasticsearch", lib),
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makeTreeOrPanic("public/app/plugins/datasource/grafana", "grafana", lib),
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makeTreeOrPanic("public/app/plugins/datasource/grafana-azure-monitor-datasource", "grafana_azure_monitor_datasource", lib),
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makeTreeOrPanic("public/app/plugins/datasource/graphite", "graphite", lib),
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makeTreeOrPanic("public/app/plugins/datasource/jaeger", "jaeger", lib),
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makeTreeOrPanic("public/app/plugins/datasource/loki", "loki", lib),
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makeTreeOrPanic("public/app/plugins/datasource/mssql", "mssql", lib),
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makeTreeOrPanic("public/app/plugins/datasource/mysql", "mysql", lib),
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makeTreeOrPanic("public/app/plugins/datasource/postgres", "postgres", lib),
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makeTreeOrPanic("public/app/plugins/datasource/prometheus", "prometheus", lib),
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makeTreeOrPanic("public/app/plugins/datasource/tempo", "tempo", lib),
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makeTreeOrPanic("public/app/plugins/datasource/testdata", "testdata", lib),
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makeTreeOrPanic("public/app/plugins/datasource/zipkin", "zipkin", lib),
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makeTreeOrPanic("public/app/plugins/panel/alertGroups", "alertGroups", lib),
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makeTreeOrPanic("public/app/plugins/panel/alertlist", "alertlist", lib),
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makeTreeOrPanic("public/app/plugins/panel/annolist", "annolist", lib),
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makeTreeOrPanic("public/app/plugins/panel/barchart", "barchart", lib),
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makeTreeOrPanic("public/app/plugins/panel/bargauge", "bargauge", lib),
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makeTreeOrPanic("public/app/plugins/panel/dashlist", "dashlist", lib),
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makeTreeOrPanic("public/app/plugins/panel/debug", "debug", lib),
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makeTreeOrPanic("public/app/plugins/panel/gauge", "gauge", lib),
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makeTreeOrPanic("public/app/plugins/panel/geomap", "geomap", lib),
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makeTreeOrPanic("public/app/plugins/panel/gettingstarted", "gettingstarted", lib),
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makeTreeOrPanic("public/app/plugins/panel/graph", "graph", lib),
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makeTreeOrPanic("public/app/plugins/panel/histogram", "histogram", lib),
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makeTreeOrPanic("public/app/plugins/panel/icon", "icon", lib),
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makeTreeOrPanic("public/app/plugins/panel/live", "live", lib),
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makeTreeOrPanic("public/app/plugins/panel/logs", "logs", lib),
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makeTreeOrPanic("public/app/plugins/panel/news", "news", lib),
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makeTreeOrPanic("public/app/plugins/panel/nodeGraph", "nodeGraph", lib),
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makeTreeOrPanic("public/app/plugins/panel/piechart", "piechart", lib),
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makeTreeOrPanic("public/app/plugins/panel/stat", "stat", lib),
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makeTreeOrPanic("public/app/plugins/panel/table-old", "table_old", lib),
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makeTreeOrPanic("public/app/plugins/panel/text", "text", lib),
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makeTreeOrPanic("public/app/plugins/panel/traces", "traces", lib),
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makeTreeOrPanic("public/app/plugins/panel/welcome", "welcome", lib),
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makeTreeOrPanic("public/app/plugins/panel/xychart", "xychart", lib),
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}
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}
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@@ -0,0 +1,30 @@
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package corelist
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import (
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"sync"
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"github.com/grafana/grafana/pkg/cuectx"
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"github.com/grafana/grafana/pkg/plugins/pfs"
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"github.com/grafana/thema"
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)
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var coreTrees pfs.TreeList
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var coreOnce sync.Once
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// New returns a pfs.TreeList containing the plugin trees for all core plugins
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// in the current version of Grafana.
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//
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// Go code within the grafana codebase should only ever call this with nil.
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func New(lib *thema.Library) pfs.TreeList {
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var tl pfs.TreeList
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if lib == nil {
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coreOnce.Do(func() {
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coreTrees = coreTreeList(cuectx.ProvideThemaLibrary())
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})
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tl = make(pfs.TreeList, len(coreTrees))
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copy(tl, coreTrees)
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} else {
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return coreTreeList(*lib)
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}
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return tl
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}
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