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scrutiny
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simplify logger creation (move logic into a function in `main` packages)

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Ensure logger creation is consistent between Web and Collector
Create logger in main, pass down to downstream functions (like gin)
In debug mode, print a copy of AppConfig
Better debugging for logger.
pull/352/head
Jason Kulatunga 2 years ago
parent d41d535ab7
commit f823127825
13 changed files with 88 additions and 53 deletions
Show Stats Download Patch File Download Diff File

48
collector/cmd/collector-metrics/collector-metrics.go
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@ -1,6 +1,7 @@
package main
import (
"encoding/json"
"fmt"
"github.com/analogj/scrutiny/collector/pkg/collector"
"github.com/analogj/scrutiny/collector/pkg/config"
@ -120,26 +121,16 @@ OPTIONS:
config.Set("api.endpoint", apiEndpoint)
}
collectorLogger := logrus.WithFields(logrus.Fields{
"type": "metrics",
})
if level, err := logrus.ParseLevel(config.GetString("log.level")); err == nil {
logrus.SetLevel(level)
} else {
logrus.SetLevel(logrus.InfoLevel)
}
if config.IsSet("log.file") && len(config.GetString("log.file")) > 0 {
logFile, err := os.OpenFile(config.GetString("log.file"), os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
logrus.Errorf("Failed to open log file %s for output: %s", config.GetString("log.file"), err)
return err
}
collectorLogger, logFile, err := CreateLogger(config)
if logFile != nil {
defer logFile.Close()
logrus.SetOutput(io.MultiWriter(os.Stderr, logFile))
}
if err != nil {
return err
}
settingsData, err := json.MarshalIndent(config.AllSettings(), "", "\t")
collectorLogger.Debug(string(settingsData), err)
metricCollector, err := collector.CreateMetricsCollector(
config,
collectorLogger,
@ -192,5 +183,28 @@ OPTIONS:
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
}

42
webapp/backend/cmd/scrutiny/scrutiny.go
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@ -1,12 +1,15 @@
package main
import (
"encoding/json"
"fmt"
"github.com/analogj/scrutiny/webapp/backend/pkg/config"
"github.com/analogj/scrutiny/webapp/backend/pkg/errors"
"github.com/analogj/scrutiny/webapp/backend/pkg/version"
"github.com/analogj/scrutiny/webapp/backend/pkg/web"
log "github.com/sirupsen/logrus"
"github.com/sirupsen/logrus"
"io"
"log"
"os"
"time"
@ -107,7 +110,18 @@ OPTIONS:
config.Set("log.file", c.String("log-file"))
}
webServer := web.AppEngine{Config: config}
webLogger, logFile, err := CreateLogger(config)
if logFile != nil {
defer logFile.Close()
}
if err != nil {
return err
}
settingsData, err := json.Marshal(config.AllSettings())
webLogger.Debug(string(settingsData), err)
webServer := web.AppEngine{Config: config, Logger: webLogger}
return webServer.Start()
},
@ -140,3 +154,27 @@ OPTIONS:
}
}
func CreateLogger(appConfig config.Interface) (*logrus.Entry, *os.File, error) {
logger := logrus.WithFields(logrus.Fields{
"type": "web",
})
//set default log level
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
}

2
webapp/backend/pkg/web/handler/delete_device.go
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@ -8,7 +8,7 @@ import (
)
func DeleteDevice(c *gin.Context) {
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
err := deviceRepo.DeleteDevice(c, c.Param("wwn"))

2
webapp/backend/pkg/web/handler/get_device_details.go
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@ -9,7 +9,7 @@ import (
)
func GetDeviceDetails(c *gin.Context) {
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
device, err := deviceRepo.GetDeviceDetails(c, c.Param("wwn"))

2
webapp/backend/pkg/web/handler/get_devices_summary.go
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@ -8,7 +8,7 @@ import (
)
func GetDevicesSummary(c *gin.Context) {
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
summary, err := deviceRepo.GetSummary(c)

2
webapp/backend/pkg/web/handler/get_devices_summary_temp_history.go
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@ -8,7 +8,7 @@ import (
)
func GetDevicesSummaryTempHistory(c *gin.Context) {
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
durationKey, exists := c.GetQuery("duration_key")

2
webapp/backend/pkg/web/handler/get_settings.go
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@ -8,7 +8,7 @@ import (
)
func GetSettings(c *gin.Context) {
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
settings, err := deviceRepo.LoadSettings(c)

2
webapp/backend/pkg/web/handler/register_devices.go
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@ -13,7 +13,7 @@ import (
// This function is run everytime a collector is about to start a run. It can be used to update device metadata.
func RegisterDevices(c *gin.Context) {
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
var collectorDeviceWrapper models.DeviceWrapper
err := c.BindJSON(&collectorDeviceWrapper)

2
webapp/backend/pkg/web/handler/save_settings.go
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@ -9,7 +9,7 @@ import (
)
func SaveSettings(c *gin.Context) {
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)
var settings models.Settings

2
webapp/backend/pkg/web/handler/send_test_notification.go
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@ -13,7 +13,7 @@ import (
// Send test notification
func SendTestNotification(c *gin.Context) {
appConfig := c.MustGet("CONFIG").(config.Interface)
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
testNotify := notify.New(
logger,

2
webapp/backend/pkg/web/handler/upload_device_metrics.go
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@ -14,7 +14,7 @@ import (
func UploadDeviceMetrics(c *gin.Context) {
//db := c.MustGet("DB").(*gorm.DB)
logger := c.MustGet("LOGGER").(logrus.FieldLogger)
logger := c.MustGet("LOGGER").(*logrus.Entry)
appConfig := c.MustGet("CONFIG").(config.Interface)
//influxWriteDb := c.MustGet("INFLUXDB_WRITE").(*api.WriteAPIBlocking)
deviceRepo := c.MustGet("DEVICE_REPOSITORY").(database.DeviceRepo)

2
webapp/backend/pkg/web/middleware/logger.go
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@ -28,7 +28,7 @@ import (
var timeFormat = "02/Jan/2006:15:04:05 -0700"
// Logger is the logrus logger handler
func LoggerMiddleware(logger logrus.FieldLogger) gin.HandlerFunc {
func LoggerMiddleware(logger *logrus.Entry) gin.HandlerFunc {
hostname, err := os.Hostname()
if err != nil {

31
webapp/backend/pkg/web/server.go
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@ -9,18 +9,17 @@ import (
"github.com/analogj/scrutiny/webapp/backend/pkg/web/middleware"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"io"
"net/http"
"os"
"path/filepath"
"strings"
)
type AppEngine struct {
Config config.Interface
Logger *logrus.Entry
}
func (ae *AppEngine) Setup(logger logrus.FieldLogger) *gin.Engine {
func (ae *AppEngine) Setup(logger *logrus.Entry) *gin.Engine {
r := gin.New()
r.Use(middleware.LoggerMiddleware(logger))
@ -36,6 +35,10 @@ func (ae *AppEngine) Setup(logger logrus.FieldLogger) *gin.Engine {
api := base.Group("/api")
{
api.GET("/health", func(c *gin.Context) {
//TODO:
// check if the /web folder is populated.
// check if access to influxdb
// check if access to sqlitedb.
c.JSON(http.StatusOK, gin.H{
"success": true,
})
@ -77,26 +80,6 @@ func (ae *AppEngine) Start() error {
gin.SetMode(gin.DebugMode)
}
logger := logrus.New()
//set default log level
logLevel, err := logrus.ParseLevel(ae.Config.GetString("log.level"))
if err != nil {
return err
}
logger.SetLevel(logLevel)
//set the log file if present
if len(ae.Config.GetString("log.file")) != 0 {
logFile, err := os.OpenFile(ae.Config.GetString("log.file"), os.O_CREATE|os.O_WRONLY, 0644)
defer logFile.Close()
if err != nil {
logrus.Errorf("Failed to open log file %s for output: %s", ae.Config.GetString("log.file"), err)
return err
}
//configure the logrus default
logger.SetOutput(io.MultiWriter(os.Stderr, logFile))
}
//check if the database parent directory exists, fail here rather than in a handler.
if !utils.FileExists(filepath.Dir(ae.Config.GetString("web.database.location"))) {
return errors.ConfigValidationError(fmt.Sprintf(
@ -104,7 +87,7 @@ func (ae *AppEngine) Start() error {
filepath.Dir(ae.Config.GetString("web.database.location"))))
}
r := ae.Setup(logger)
r := ae.Setup(ae.Logger)
return r.Run(fmt.Sprintf("%s:%s", ae.Config.GetString("web.listen.host"), ae.Config.GetString("web.listen.port")))
}

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