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188 lines
5.0 KiB
188 lines
5.0 KiB
package main
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import (
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"encoding/json"
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"fmt"
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"github.com/analogj/scrutiny/webapp/backend/pkg/config"
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"github.com/analogj/scrutiny/webapp/backend/pkg/errors"
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"github.com/analogj/scrutiny/webapp/backend/pkg/version"
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"github.com/analogj/scrutiny/webapp/backend/pkg/web"
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"github.com/sirupsen/logrus"
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"io"
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"log"
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"os"
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"time"
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utils "github.com/analogj/go-util/utils"
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"github.com/fatih/color"
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"github.com/urfave/cli/v2"
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)
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var goos string
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var goarch string
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func main() {
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config, err := config.Create()
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if err != nil {
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fmt.Printf("FATAL: %+v\n", err)
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os.Exit(1)
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}
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configFilePath := "/opt/scrutiny/config/scrutiny.yaml"
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configFilePathAlternative := "/opt/scrutiny/config/scrutiny.yml"
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if !utils.FileExists(configFilePath) && utils.FileExists(configFilePathAlternative) {
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configFilePath = configFilePathAlternative
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}
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//we're going to load the config file manually, since we need to validate it.
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err = config.ReadConfig(configFilePath) // Find and read the config file
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if _, ok := err.(errors.ConfigFileMissingError); ok { // Handle errors reading the config file
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//ignore "could not find config file"
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} else if err != nil {
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log.Print(color.HiRedString("CONFIG ERROR: %v", err))
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os.Exit(1)
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}
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cli.CommandHelpTemplate = `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Category}}
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CATEGORY:
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{{.Category}}{{end}}{{if .Description}}
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DESCRIPTION:
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{{.Description}}{{end}}{{if .VisibleFlags}}
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OPTIONS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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`
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app := &cli.App{
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Name: "scrutiny",
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Usage: "WebUI for smartd S.M.A.R.T monitoring",
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Version: version.VERSION,
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Compiled: time.Now(),
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Authors: []*cli.Author{
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{
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Name: "Jason Kulatunga",
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Email: "jason@thesparktree.com",
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},
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},
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Before: func(c *cli.Context) error {
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scrutiny := "github.com/AnalogJ/scrutiny"
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var versionInfo string
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if len(goos) > 0 && len(goarch) > 0 {
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versionInfo = fmt.Sprintf("%s.%s-%s", goos, goarch, version.VERSION)
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} else {
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versionInfo = fmt.Sprintf("dev-%s", version.VERSION)
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}
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subtitle := scrutiny + utils.LeftPad2Len(versionInfo, " ", 65-len(scrutiny))
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color.New(color.FgGreen).Fprintf(c.App.Writer, fmt.Sprintf(utils.StripIndent(
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`
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___ ___ ____ __ __ ____ ____ _ _ _ _
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/ __) / __)( _ \( )( )(_ _)(_ _)( \( )( \/ )
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\__ \( (__ ) / )(__)( )( _)(_ ) ( \ /
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(___/ \___)(_)\_)(______) (__) (____)(_)\_) (__)
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%s
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`), subtitle))
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return nil
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},
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Commands: []*cli.Command{
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{
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Name: "start",
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Usage: "Start the scrutiny server",
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Action: func(c *cli.Context) error {
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fmt.Fprintln(c.App.Writer, c.Command.Usage)
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if c.IsSet("config") {
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err = config.ReadConfig(c.String("config")) // Find and read the config file
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if err != nil { // Handle errors reading the config file
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//ignore "could not find config file"
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fmt.Printf("Could not find config file at specified path: %s", c.String("config"))
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return err
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}
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}
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if c.Bool("debug") {
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config.Set("log.level", "DEBUG")
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}
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if c.IsSet("log-file") {
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config.Set("log.file", c.String("log-file"))
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}
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webLogger, logFile, err := CreateLogger(config)
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if logFile != nil {
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defer logFile.Close()
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}
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if err != nil {
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return err
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}
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settingsData, err := json.Marshal(config.AllSettings())
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webLogger.Debug(string(settingsData), err)
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webServer := web.AppEngine{Config: config, Logger: webLogger}
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return webServer.Start()
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},
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "config",
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Usage: "Specify the path to the config file",
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},
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&cli.StringFlag{
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Name: "log-file",
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Usage: "Path to file for logging. Leave empty to use STDOUT",
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Value: "",
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EnvVars: []string{"SCRUTINY_LOG_FILE"},
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},
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&cli.BoolFlag{
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Name: "debug",
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Usage: "Enable debug logging",
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EnvVars: []string{"SCRUTINY_DEBUG", "DEBUG"},
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},
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},
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},
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},
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}
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err = app.Run(os.Args)
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if err != nil {
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log.Fatal(color.HiRedString("ERROR: %v", err))
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}
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}
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func CreateLogger(appConfig config.Interface) (*logrus.Entry, *os.File, error) {
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logger := logrus.WithFields(logrus.Fields{
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"type": "web",
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})
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//set default log level
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if level, err := logrus.ParseLevel(appConfig.GetString("log.level")); err == nil {
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logger.Logger.SetLevel(level)
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} else {
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logger.Logger.SetLevel(logrus.InfoLevel)
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}
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var logFile *os.File
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var err error
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if appConfig.IsSet("log.file") && len(appConfig.GetString("log.file")) > 0 {
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logFile, err = os.OpenFile(appConfig.GetString("log.file"), os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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logger.Logger.Errorf("Failed to open log file %s for output: %s", appConfig.GetString("log.file"), err)
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return nil, logFile, err
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}
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logger.Logger.SetOutput(io.MultiWriter(os.Stderr, logFile))
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}
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return logger, logFile, nil
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}
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