103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
// Copyright 2018 Prometheus Team
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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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package cli
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import (
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"fmt"
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"os"
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"gopkg.in/alecthomas/kingpin.v2"
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"github.com/prometheus/alertmanager/config"
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"github.com/prometheus/alertmanager/template"
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)
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// TODO: This can just be a type that is []string, doesn't have to be a struct
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type checkConfigCmd struct {
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files []string
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}
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const checkConfigHelp = `Validate alertmanager config files
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Will validate the syntax and schema for alertmanager config file
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and associated templates. Non existing templates will not trigger
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errors.
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`
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func configureCheckConfigCmd(app *kingpin.Application) {
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var (
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c = &checkConfigCmd{}
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checkCmd = app.Command("check-config", checkConfigHelp)
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)
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checkCmd.Arg("check-files", "Files to be validated").ExistingFilesVar(&c.files)
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checkCmd.Action(c.checkConfig)
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}
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func (c *checkConfigCmd) checkConfig(ctx *kingpin.ParseContext) error {
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return CheckConfig(c.files)
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}
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func CheckConfig(args []string) error {
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if len(args) == 0 {
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stat, err := os.Stdin.Stat()
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if err != nil {
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kingpin.Fatalf("Failed to stat standard input: %v", err)
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}
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if (stat.Mode() & os.ModeCharDevice) != 0 {
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kingpin.Fatalf("Failed to read from standard input")
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}
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args = []string{os.Stdin.Name()}
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}
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failed := 0
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for _, arg := range args {
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fmt.Printf("Checking '%s'", arg)
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cfg, err := config.LoadFile(arg)
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if err != nil {
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fmt.Printf(" FAILED: %s\n", err)
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failed++
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} else {
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fmt.Printf(" SUCCESS\n")
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}
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if cfg != nil {
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fmt.Println("Found:")
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if cfg.Global != nil {
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fmt.Println(" - global config")
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}
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if cfg.Route != nil {
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fmt.Println(" - route")
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}
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fmt.Printf(" - %d inhibit rules\n", len(cfg.InhibitRules))
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fmt.Printf(" - %d receivers\n", len(cfg.Receivers))
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fmt.Printf(" - %d templates\n", len(cfg.Templates))
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if len(cfg.Templates) > 0 {
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_, err = template.FromGlobs(cfg.Templates)
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if err != nil {
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fmt.Printf(" FAILED: %s\n", err)
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failed++
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} else {
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fmt.Printf(" SUCCESS\n")
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}
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}
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}
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fmt.Printf("\n")
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}
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if failed > 0 {
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return fmt.Errorf("failed to validate %d file(s)", failed)
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}
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return nil
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}
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