100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright 2022 The Prometheus Authors
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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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//go:build plugins
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package main
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import (
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"fmt"
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"log"
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"os"
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"path"
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"path/filepath"
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"gopkg.in/yaml.v2"
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)
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//go:generate go run generate.go
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func main() {
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data, err := os.ReadFile(filepath.Join("..", "plugins.yml"))
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if err != nil {
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log.Fatal(err)
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}
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var plugins []string
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err = yaml.Unmarshal(data, &plugins)
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if err != nil {
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log.Fatal(err)
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}
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f, err := os.Create("plugins.go")
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if err != nil {
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log.Fatal(err)
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}
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defer f.Close()
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_, err = f.WriteString(`// Copyright 2022 The Prometheus Authors
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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 generated by "make plugins".
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package plugins
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`)
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if err != nil {
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log.Fatal(err)
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}
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if len(plugins) == 0 {
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return
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}
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_, err = f.WriteString("import (\n")
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if err != nil {
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log.Fatal(err)
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}
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for i, plugin := range plugins {
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_, err = f.WriteString(fmt.Sprintf("\t// Register %s plugin.\n", path.Base(plugin)))
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if err != nil {
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log.Fatal(err)
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}
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_, err = f.WriteString(fmt.Sprintf("\t_ \"%s\"\n", plugin))
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if err != nil {
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log.Fatal(err)
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}
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if i < len(plugins)-1 {
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_, err = f.WriteString("\n")
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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_, err = f.WriteString(")\n")
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if err != nil {
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log.Fatal(err)
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}
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}
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