You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
211 lines
5.8 KiB
211 lines
5.8 KiB
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"github.com/analogj/scrutiny/collector/pkg/collector"
|
|
"github.com/analogj/scrutiny/collector/pkg/config"
|
|
"github.com/analogj/scrutiny/collector/pkg/errors"
|
|
"github.com/analogj/scrutiny/webapp/backend/pkg/version"
|
|
"github.com/sirupsen/logrus"
|
|
"io"
|
|
"log"
|
|
"os"
|
|
"strings"
|
|
"time"
|
|
|
|
utils "github.com/analogj/go-util/utils"
|
|
"github.com/fatih/color"
|
|
"github.com/urfave/cli/v2"
|
|
)
|
|
|
|
var goos string
|
|
var goarch string
|
|
|
|
func main() {
|
|
|
|
config, err := config.Create()
|
|
if err != nil {
|
|
fmt.Printf("FATAL: %+v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
//we're going to load the config file manually, since we need to validate it.
|
|
err = config.ReadConfig("/opt/scrutiny/config/collector.yaml") // Find and read the config file
|
|
if _, ok := err.(errors.ConfigFileMissingError); ok { // Handle errors reading the config file
|
|
//ignore "could not find config file"
|
|
} else if err != nil {
|
|
os.Exit(1)
|
|
}
|
|
|
|
cli.CommandHelpTemplate = `NAME:
|
|
{{.HelpName}} - {{.Usage}}
|
|
USAGE:
|
|
{{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Category}}
|
|
CATEGORY:
|
|
{{.Category}}{{end}}{{if .Description}}
|
|
DESCRIPTION:
|
|
{{.Description}}{{end}}{{if .VisibleFlags}}
|
|
OPTIONS:
|
|
{{range .VisibleFlags}}{{.}}
|
|
{{end}}{{end}}
|
|
`
|
|
|
|
app := &cli.App{
|
|
Name: "scrutiny-collector-metrics",
|
|
Usage: "smartctl data collector for scrutiny",
|
|
Version: version.VERSION,
|
|
Compiled: time.Now(),
|
|
Authors: []*cli.Author{
|
|
{
|
|
Name: "Jason Kulatunga",
|
|
Email: "jason@thesparktree.com",
|
|
},
|
|
},
|
|
Before: func(c *cli.Context) error {
|
|
|
|
collectorMetrics := "AnalogJ/scrutiny/metrics"
|
|
|
|
var versionInfo string
|
|
if len(goos) > 0 && len(goarch) > 0 {
|
|
versionInfo = fmt.Sprintf("%s.%s-%s", goos, goarch, version.VERSION)
|
|
} else {
|
|
versionInfo = fmt.Sprintf("dev-%s", version.VERSION)
|
|
}
|
|
|
|
subtitle := collectorMetrics + utils.LeftPad2Len(versionInfo, " ", 65-len(collectorMetrics))
|
|
|
|
color.New(color.FgGreen).Fprintf(c.App.Writer, fmt.Sprintf(utils.StripIndent(
|
|
`
|
|
___ ___ ____ __ __ ____ ____ _ _ _ _
|
|
/ __) / __)( _ \( )( )(_ _)(_ _)( \( )( \/ )
|
|
\__ \( (__ ) / )(__)( )( _)(_ ) ( \ /
|
|
(___/ \___)(_)\_)(______) (__) (____)(_)\_) (__)
|
|
%s
|
|
|
|
`), subtitle))
|
|
|
|
return nil
|
|
},
|
|
|
|
Commands: []*cli.Command{
|
|
{
|
|
Name: "run",
|
|
Usage: "Run the scrutiny smartctl metrics collector",
|
|
Action: func(c *cli.Context) error {
|
|
if c.IsSet("config") {
|
|
err = config.ReadConfig(c.String("config")) // Find and read the config file
|
|
if err != nil { // Handle errors reading the config file
|
|
//ignore "could not find config file"
|
|
fmt.Printf("Could not find config file at specified path: %s", c.String("config"))
|
|
return err
|
|
}
|
|
}
|
|
//override config with flags if set
|
|
if c.IsSet("host-id") {
|
|
config.Set("host.id", c.String("host-id")) // set/override the host-id using CLI.
|
|
}
|
|
|
|
if c.Bool("debug") {
|
|
config.Set("log.level", "DEBUG")
|
|
}
|
|
|
|
if c.IsSet("log-file") {
|
|
config.Set("log.file", c.String("log-file"))
|
|
}
|
|
|
|
if c.IsSet("api-endpoint") {
|
|
//if the user is providing an api-endpoint with a basepath (eg. http://localhost:8080/scrutiny),
|
|
//we need to ensure the basepath has a trailing slash, otherwise the url.Parse() path concatenation doesnt work.
|
|
apiEndpoint := strings.TrimSuffix(c.String("api-endpoint"), "/") + "/"
|
|
config.Set("api.endpoint", apiEndpoint)
|
|
}
|
|
|
|
collectorLogger, logFile, err := CreateLogger(config)
|
|
if logFile != nil {
|
|
defer logFile.Close()
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
settingsData, err := json.MarshalIndent(config.AllSettings(), "", "\t")
|
|
collectorLogger.Debug(string(settingsData), err)
|
|
metricCollector, err := collector.CreateMetricsCollector(
|
|
config,
|
|
collectorLogger,
|
|
config.GetString("api.endpoint"),
|
|
)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return metricCollector.Run()
|
|
},
|
|
|
|
Flags: []cli.Flag{
|
|
&cli.StringFlag{
|
|
Name: "config",
|
|
Usage: "Specify the path to the devices file",
|
|
},
|
|
&cli.StringFlag{
|
|
Name: "api-endpoint",
|
|
Usage: "The api server endpoint",
|
|
EnvVars: []string{"COLLECTOR_API_ENDPOINT", "SCRUTINY_API_ENDPOINT"},
|
|
//SCRUTINY_API_ENDPOINT is deprecated, but kept for backwards compatibility
|
|
},
|
|
|
|
&cli.StringFlag{
|
|
Name: "log-file",
|
|
Usage: "Path to file for logging. Leave empty to use STDOUT",
|
|
EnvVars: []string{"COLLECTOR_LOG_FILE"},
|
|
},
|
|
|
|
&cli.BoolFlag{
|
|
Name: "debug",
|
|
Usage: "Enable debug logging",
|
|
EnvVars: []string{"COLLECTOR_DEBUG", "DEBUG"},
|
|
},
|
|
|
|
&cli.StringFlag{
|
|
Name: "host-id",
|
|
Usage: "Host identifier/label, used for grouping devices",
|
|
Value: "",
|
|
EnvVars: []string{"COLLECTOR_HOST_ID"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
err = app.Run(os.Args)
|
|
if err != nil {
|
|
log.Fatal(color.HiRedString("ERROR: %v", err))
|
|
}
|
|
}
|
|
|
|
func CreateLogger(appConfig config.Interface) (*logrus.Entry, *os.File, error) {
|
|
logger := logrus.WithFields(logrus.Fields{
|
|
"type": "metrics",
|
|
})
|
|
|
|
if level, err := logrus.ParseLevel(appConfig.GetString("log.level")); err == nil {
|
|
logger.Logger.SetLevel(level)
|
|
} else {
|
|
logger.Logger.SetLevel(logrus.InfoLevel)
|
|
}
|
|
|
|
var logFile *os.File
|
|
var err error
|
|
if appConfig.IsSet("log.file") && len(appConfig.GetString("log.file")) > 0 {
|
|
logFile, err = os.OpenFile(appConfig.GetString("log.file"), os.O_CREATE|os.O_WRONLY, 0644)
|
|
if err != nil {
|
|
logger.Logger.Errorf("Failed to open log file %s for output: %s", appConfig.GetString("log.file"), err)
|
|
return nil, logFile, err
|
|
}
|
|
logger.Logger.SetOutput(io.MultiWriter(os.Stderr, logFile))
|
|
}
|
|
return logger, logFile, nil
|
|
}
|