예제 #1
0
파일: main.go 프로젝트: bluecmd/prometheus
func checkConfig(t cli.Term, filename string) ([]string, error) {
	t.Infof("Checking %s", filename)

	if stat, err := os.Stat(filename); err != nil {
		return nil, fmt.Errorf("cannot get file info")
	} else if stat.IsDir() {
		return nil, fmt.Errorf("is a directory")
	}

	content, err := ioutil.ReadFile(filename)
	if err != nil {
		return nil, err
	}

	var cfg config.Config
	if err := yaml.Unmarshal(content, &cfg); err != nil {
		return nil, err
	}
	var ruleFiles []string
	for _, rf := range cfg.RuleFiles {
		rfs, err := filepath.Glob(rf)
		if err != nil {
			return nil, err
		}
		// If an explicit file was given, error if it doesn't exist.
		if !strings.Contains(rf, "*") && len(rfs) == 0 {
			return nil, fmt.Errorf("%q does not point to an existing file", rf)
		}
		ruleFiles = append(ruleFiles, rfs...)
	}

	return ruleFiles, nil
}
예제 #2
0
func checkConfig(t cli.Term, filename string) ([]string, error) {
	t.Infof("Checking %s", filename)

	if stat, err := os.Stat(filename); err != nil {
		return nil, fmt.Errorf("cannot get file info")
	} else if stat.IsDir() {
		return nil, fmt.Errorf("is a directory")
	}

	cfg, err := config.LoadFile(filename)
	if err != nil {
		return nil, err
	}

	check := func(fn string) error {
		// Nothing set, nothing to error on.
		if fn == "" {
			return nil
		}
		_, err := os.Stat(fn)
		return err
	}

	var ruleFiles []string
	for _, rf := range cfg.RuleFiles {
		rfs, err := filepath.Glob(rf)
		if err != nil {
			return nil, err
		}
		// If an explicit file was given, error if it is not accessible.
		if !strings.Contains(rf, "*") {
			if len(rfs) == 0 {
				return nil, fmt.Errorf("%q does not point to an existing file", rf)
			}
			if err := check(rfs[0]); err != nil {
				return nil, fmt.Errorf("error checking rule file %q: %s", rfs[0], err)
			}
		}
		ruleFiles = append(ruleFiles, rfs...)
	}

	for _, scfg := range cfg.ScrapeConfigs {
		if err := check(scfg.BearerTokenFile); err != nil {
			return nil, fmt.Errorf("error checking bearer token file %q: %s", scfg.BearerTokenFile, err)
		}

		if scfg.ClientCert != nil {
			if err := check(scfg.ClientCert.Cert); err != nil {
				return nil, fmt.Errorf("error checking client cert file %q: %s", scfg.ClientCert.Cert, err)
			}
			if err := check(scfg.ClientCert.Key); err != nil {
				return nil, fmt.Errorf("error checking client key file %q: %s", scfg.ClientCert.Key, err)
			}
		}
	}

	return ruleFiles, nil
}
예제 #3
0
// VersionCmd prints the binaries version information.
func VersionCmd(t cli.Term, _ ...string) int {
	tmpl := template.Must(template.New("version").Parse(versionInfoTmpl))

	var buf bytes.Buffer
	if err := tmpl.ExecuteTemplate(&buf, "version", version.Map); err != nil {
		panic(err)
	}
	fmt.Fprintln(t.Out(), strings.TrimSpace(buf.String()))
	return 0
}
예제 #4
0
func checkConfig(t cli.Term, filename string) ([]string, error) {
	t.Infof("Checking %s", filename)

	if stat, err := os.Stat(filename); err != nil {
		return nil, fmt.Errorf("cannot get file info")
	} else if stat.IsDir() {
		return nil, fmt.Errorf("is a directory")
	}

	cfg, err := config.LoadFile(filename)
	if err != nil {
		return nil, err
	}

	var ruleFiles []string
	for _, rf := range cfg.RuleFiles {
		rfs, err := filepath.Glob(rf)
		if err != nil {
			return nil, err
		}
		// If an explicit file was given, error if it is not accessible.
		if !strings.Contains(rf, "*") {
			if len(rfs) == 0 {
				return nil, fmt.Errorf("%q does not point to an existing file", rf)
			}
			if err := checkFileExists(rfs[0]); err != nil {
				return nil, fmt.Errorf("error checking rule file %q: %s", rfs[0], err)
			}
		}
		ruleFiles = append(ruleFiles, rfs...)
	}

	for _, scfg := range cfg.ScrapeConfigs {
		if err := checkFileExists(scfg.BearerTokenFile); err != nil {
			return nil, fmt.Errorf("error checking bearer token file %q: %s", scfg.BearerTokenFile, err)
		}

		if err := checkTLSConfig(scfg.TLSConfig); err != nil {
			return nil, err
		}

		for _, kd := range scfg.KubernetesSDConfigs {
			if err := checkTLSConfig(kd.TLSConfig); err != nil {
				return nil, err
			}
		}
	}

	return ruleFiles, nil
}
예제 #5
0
func checkRules(t cli.Term, filename string) (int, error) {
	t.Infof("Checking %s", filename)

	if stat, err := os.Stat(filename); err != nil {
		return 0, fmt.Errorf("cannot get file info")
	} else if stat.IsDir() {
		return 0, fmt.Errorf("is a directory")
	}

	content, err := ioutil.ReadFile(filename)
	if err != nil {
		return 0, err
	}

	rules, err := promql.ParseStmts(string(content))
	if err != nil {
		return 0, err
	}
	return len(rules), nil
}
예제 #6
0
파일: main.go 프로젝트: PrFalken/prometheus
// DumpHeadsCmd dumps metadata of a heads.db file.
func DumpHeadsCmd(t cli.Term, args ...string) int {
	if len(args) != 1 {
		t.Infof("usage: storagetool dump-heads <file>")
		return 2
	}
	if err := local.DumpHeads(args[0], t.Out()); err != nil {
		t.Errorf("  FAILED: %s", err)
		return 1
	}
	return 0
}
예제 #7
0
// CheckRulesCmd validates rule files.
func CheckRulesCmd(t cli.Term, args ...string) int {
	if len(args) == 0 {
		t.Infof("usage: promtool check-rules <files>")
		return 2
	}
	failed := false

	for _, arg := range args {
		if n, err := checkRules(t, arg); err != nil {
			t.Errorf("  FAILED: %s", err)
			failed = true
		} else {
			t.Infof("  SUCCESS: %d rules found", n)
		}
		t.Infof("")
	}
	if failed {
		return 1
	}
	return 0
}
예제 #8
0
// CheckConfigCmd validates configuration files.
func CheckConfigCmd(t cli.Term, args ...string) int {
	if len(args) == 0 {
		t.Infof("usage: promtool check-config <files>")
		return 2
	}
	failed := false

	for _, arg := range args {
		ruleFiles, err := checkConfig(t, arg)
		if err != nil {
			t.Errorf("  FAILED: %s", err)
			failed = true
		} else {
			t.Infof("  SUCCESS: %d rule files found", len(ruleFiles))
		}
		t.Infof("")

		for _, rf := range ruleFiles {
			if n, err := checkRules(t, rf); err != nil {
				t.Errorf("  FAILED: %s", err)
				failed = true
			} else {
				t.Infof("  SUCCESS: %d rules found", n)
			}
			t.Infof("")
		}
	}
	if failed {
		return 1
	}
	return 0
}