mirror of https://github.com/prometheus/prometheus
Fabian Reinartz
10 years ago
parent
525070419b
commit
6e61fd3e96
@ -1,26 +0,0 @@
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# Copyright 2013 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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all: rule_checker
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SUFFIXES:
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include ../Makefile.INCLUDE
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rule_checker:
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$(MAKE) -C rule_checker
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clean:
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$(MAKE) -C rule_checker clean
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.PHONY: clean rule_checker
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@ -1 +0,0 @@
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rule_checker
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@ -1,28 +0,0 @@
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# Copyright 2013 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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MAKE_ARTIFACTS = rule_checker
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all: rule_checker
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SUFFIXES:
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include ../../Makefile.INCLUDE
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rule_checker: $(shell find . -iname '*.go')
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$(GO) build -o rule_checker .
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clean:
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rm -rf $(MAKE_ARTIFACTS)
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.PHONY: clean
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@ -1,106 +0,0 @@
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// Copyright 2013 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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// Rule-Checker allows checking the validity of a Prometheus rule file. It
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// prints an error if the specified rule file is invalid, while it prints a
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// string representation of the parsed rules otherwise.
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package main
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import (
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"flag"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"github.com/prometheus/prometheus/promql"
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)
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var (
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flagset = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
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ruleFile = flagset.String("rule-file", "", "The path to the rule file to check. (Deprecated)")
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)
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// checkRules reads rules from in. Sucessfully read rules
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// are printed to out.
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func checkRules(filename string, in io.Reader, out io.Writer) error {
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content, err := ioutil.ReadAll(in)
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if err != nil {
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return err
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}
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rules, err := promql.ParseStmts(string(content))
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if err != nil {
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return err
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}
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fmt.Fprintf(os.Stderr, "%s: successfully loaded %d rules:\n", filename, len(rules))
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for _, rule := range rules {
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fmt.Fprint(out, rule.String())
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fmt.Fprint(out, "\n")
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}
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return nil
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}
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func usage() {
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fmt.Fprintf(os.Stderr, "usage: rule_checker [path ...]\n")
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flagset.PrintDefaults()
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os.Exit(2)
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}
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func main() {
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flagset.Usage = usage
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flagset.Parse(os.Args[1:])
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if flagset.NArg() == 0 && *ruleFile == "" {
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if err := checkRules("<stdin>", os.Stdin, os.Stdout); err != nil {
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fmt.Fprintf(os.Stderr, "error checking standard input: %s\n", err)
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os.Exit(1)
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}
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os.Exit(0)
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}
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paths := flagset.Args()
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if *ruleFile != "" {
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paths = []string{*ruleFile}
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fmt.Fprint(os.Stderr, "warning: usage of -rule-file is deprecated.\n")
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}
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failed := false
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for _, path := range paths {
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switch dir, err := os.Stat(path); {
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case err != nil:
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fmt.Fprintf(os.Stderr, "%s: error checking path: %s\n", path, err)
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os.Exit(2)
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case dir.IsDir():
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fmt.Fprintf(os.Stderr, "%s: error checking path: directories not allowed\n", path)
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os.Exit(2)
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default:
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f, err := os.Open(path)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s: error opening file: %s\n", path, err)
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failed = true
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} else if err := checkRules(path, f, os.Stdout); err != nil {
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fmt.Fprintf(os.Stderr, "%s: error checking rules: %s\n", path, err)
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failed = true
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}
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f.Close()
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}
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}
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if failed {
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os.Exit(1)
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}
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}
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