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main.go
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main.go
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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2020 Red Hat, Inc.
*/
package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"strconv"
"time"
flag "github.com/spf13/pflag"
"github.com/ffromani/numalign/internal/pkg/numalign"
)
func main() {
var sleepTime time.Duration
var sleepHoursParam = flag.StringP("sleep-hours", "S", "", "sleep hours once done.")
var scriptPathParam = flag.StringP("script-path", "P", "", "save test script to this path.")
var jsonOutput = flag.BoolP("json", "J", false, "output in JSON")
var sleepOnError = flag.BoolP("sleep-on-error", "E", false, "still sleep if failed before to exit")
flag.Parse()
if _, ok := os.LookupEnv("NUMALIGN_DEBUG"); !ok {
log.SetOutput(ioutil.Discard)
}
sleepHours := *sleepHoursParam
if sleepHours == "" {
os.Getenv("NUMALIGN_SLEEP_HOURS")
}
if sleepHours != "" {
hours, err := strconv.Atoi(sleepHours)
if err != nil {
log.Fatalf("%v", err)
}
if hours > 0 {
sleepTime = time.Duration(hours) * time.Hour
}
}
log.Printf("SYS: sleep for %v after the check", sleepTime)
R, err := numalign.NewResources(flag.Args())
if err != nil {
log.Fatalf("%v", err)
}
rc := -1
res := R.CheckAlignment()
if res.Aligned {
rc = 0
}
if *jsonOutput {
fmt.Printf("%s", res.JSON())
} else {
fmt.Printf("%s", res.Text())
if !res.Aligned {
fmt.Printf("%s\n", R.String())
}
}
scriptPath := *scriptPathParam
if scriptPath == "" {
scriptPath = os.Getenv("NUMALIGN_VALIDATION_SCRIPT")
}
if scriptPath != "" {
code := []byte(R.MakeValidationScript())
err := ioutil.WriteFile(scriptPath, code, 0755)
if err != nil {
log.Printf("SYS: validation script creation failed: %v", err)
}
}
if rc == 0 || *sleepOnError {
time.Sleep(sleepTime)
}
os.Exit(rc)
}