ref: 89777a764361663ff609027a4848f29a7134fe05
client/main.go
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/** * Yats - yats * * This file is licensed under the Affero General Public License version 3 or * later. See the COPYING file. * * @author Paolo Lulli <kevwe.com> * @copyright Paolo Lulli 2024 */ package main import ( "encoding/base64" "encoding/json" "fmt" "os" "time" "yats/config" flag "github.com/spf13/pflag" ) type YatsClient struct { config config.ClientConfiguration } func main() { var configPath string recordSeparator := "," rowSeparator := ";\n" if len(os.Args) == 1 { fmt.Printf("Usage: \n\n%s --help | -h\n", os.Args[0]) os.Exit(1) } configPath = os.Getenv("HOME") + "/.yats-client.json" cfg := config.GetClientConfig(configPath) var yatsClient = YatsClient{config: cfg} generatePki := flag.BoolP("csr", "c", false, "create CSR") sourceOption := flag.StringP("source", "s", "", "source application") isShowPermsOption := flag.BoolP("show-permissions", "S", false, "show user permissions") fromOption := flag.Int64("from", 0, "from tstamp") toOption := flag.Int64("to", 0, "to tstamp") timestampOption := flag.Int64("timestamp", 0, "timeStamp") writeEvent := flag.StringP("write-event", "E", "", "write event with name") writeMetric := flag.StringP("write-metric", "M", "", "write metric with name") metricValue := flag.StringP("metric-value", "v", "", "metric value") writePosition := flag.StringP("write-position", "P", "", "write position name") listEvents := flag.BoolP("list-events", "e", false, "list events") listMetrics := flag.StringP("list-metrics", "m", "", "list metrics with name") listPositions := flag.StringP("list-positions", "p", "", "list positions with name") longitudeOption := flag.Float64P("longitude", "o", 0, "longitude") latitudeOption := flag.Float64P("latitude", "a", 0, "latitude") sinceSeconds := flag.BoolP("sec", "", false, "seconds ago") sinceMinutes := flag.BoolP("min", "", false, "minutes ago") sinceHours := flag.BoolP("hour", "", false, "hours ago") sinceDays := flag.BoolP("day", "", false, "days ago") sinceYears := flag.BoolP("year", "", false, "years ago") reformatOutput := flag.BoolP("format", "f", false, "format output") logOutput := flag.BoolP("value-only", "l", false, "log value only output") decodeBase64Output := flag.BoolP("base64-decode", "b", false, "decode base64 output") unpackJsonPayload := flag.BoolP("unpack-json", "u", false, "unpack base64/json output") flag.Parse() var fromTimestamp int64 var toTimestamp int64 if *fromOption != 0 { fromTimestamp = calculateCutDate(*fromOption, sinceSeconds, sinceMinutes, sinceHours, sinceDays, sinceYears) } else { fromTimestamp = 0 } if *toOption != 0 { toTimestamp = calculateCutDate(*toOption, sinceSeconds, sinceMinutes, sinceHours, sinceDays, sinceYears) } else { toTimestamp = 0 } if *isShowPermsOption { listResponse, err := yatsClient.PermissionsList() if err == nil { fmt.Printf("%s", listResponse) } else { fmt.Println(err) } os.Exit(0) } if *generatePki { yatsClient.CreateCsr() os.Exit(0) } if "" != *writeEvent { saveEventResponse, err := yatsClient.EventSave(*writeEvent, *timestampOption) if err == nil { fmt.Printf("%s", saveEventResponse) } else { fmt.Println(err) } os.Exit(0) } if "" != *writeMetric { listResponse, err := yatsClient.MetricSave(*writeMetric, *metricValue, *timestampOption) if err == nil { fmt.Printf("%s", listResponse) } else { fmt.Println(err) } os.Exit(0) } if "" != *writePosition { savePositionResponse, err := yatsClient.PositionSave(*writePosition, *latitudeOption, *longitudeOption, *timestampOption) if err == nil { fmt.Printf("%s", savePositionResponse) } else { fmt.Println(err) } os.Exit(0) } if *listEvents { listEvents := yatsClient.EventList(*sourceOption, fromTimestamp, toTimestamp) if *reformatOutput { dataJson, errDataPortion := getDataJson(listEvents) if errDataPortion { fmt.Printf("Could not parse data attribute: %v", errDataPortion) return } var eventListModel []EventModel err := json.Unmarshal(dataJson, &eventListModel) if err == nil { for _, event := range eventListModel { unixTimeUTC := time.Unix(event.Etime/1000, 0) unitTimeInRFC3339 := unixTimeUTC.Format(time.RFC3339) fmt.Printf("%s %s\n", unitTimeInRFC3339, event.Name) } } else { fmt.Println(err) } } else { fmt.Printf("%s", listEvents) } os.Exit(0) } if "" != *listMetrics { listResponse, err := yatsClient.MetricList(*sourceOption, *listMetrics, fromTimestamp, toTimestamp) if err == nil { if *reformatOutput { dataJson, errDataPortion := getDataJson(listResponse) if errDataPortion { fmt.Printf("Could not parse data attribute: %v", errDataPortion) return } var metricListModel []MetricModel err := json.Unmarshal(dataJson, &metricListModel) if err == nil { for _, metric := range metricListModel { fmt.Printf("%d %s=%s\n", metric.Mtime, metric.Name, metric.Value) } } else { fmt.Println(err) } os.Exit(0) } if *logOutput { dataJson, errDataPortion := getDataJson(listResponse) if errDataPortion { fmt.Printf("Could not parse data attribute: %v", errDataPortion) return } var metricListModel []MetricModel err := json.Unmarshal(dataJson, &metricListModel) if err == nil { for _, metric := range metricListModel { if *decodeBase64Output { decodedBytes, err := base64.StdEncoding.DecodeString(metric.Value) if err != nil { fmt.Println("Error decoding string:", err) return } fmt.Println(string(decodedBytes)) } else { fmt.Printf("%s\n", metric.Value) } } } else { fmt.Println(err) } os.Exit(0) } if *unpackJsonPayload { dataJson, errDataPortion := getDataJson(listResponse) if errDataPortion { fmt.Printf("Could not parse data attribute: %v", errDataPortion) return } var metricListModel []MetricModel err := json.Unmarshal(dataJson, &metricListModel) if err == nil { metric := metricListModel[0] dataMap, errNoValue := loadBase64ValueAsMap(metric) if errNoValue { return } var keys []string for k := range dataMap { keys = append(keys, k) } for _, k := range keys { fmt.Printf("\"%v\"%s", k, recordSeparator) } fmt.Printf("%s", rowSeparator) for _, row := range metricListModel { rowMap, errNoValue := loadBase64ValueAsMap(row) if errNoValue { return } for _, k := range keys { fmt.Printf("\"%v\"%s", rowMap[k], recordSeparator) } fmt.Printf("%s", rowSeparator) } } else { fmt.Println(err) } os.Exit(0) } fmt.Printf("%s", listResponse) } else { fmt.Println(err) } os.Exit(0) } if "" != *listPositions { listResponse := yatsClient.PositionList(*sourceOption, fromTimestamp, toTimestamp) fmt.Printf("%s", listResponse) os.Exit(0) } } func loadBase64ValueAsMap(metric MetricModel) (map[string]any, bool) { decodedBytes, err := base64.StdEncoding.DecodeString(metric.Value) if err != nil { fmt.Println("Error decoding string:", err) return nil, true } decoded := string(decodedBytes) var dataMap map[string]any json.Unmarshal([]byte(decoded), &dataMap) return dataMap, false } func getDataJson(list string) ([]byte, bool) { var result map[string]interface{} json.Unmarshal([]byte(list), &result) innerData := result["data"] dataJson, er := json.Marshal(innerData) if er != nil { fmt.Printf("Parsing response: %v", er) return nil, true } return dataJson, false } func calculateCutDate(ts int64, sinceSeconds *bool, sinceMinutes *bool, sinceHours *bool, sinceDays *bool, sinceYears *bool) int64 { if 0 != ts { if *sinceSeconds { return time.Now().Unix() - ts } if *sinceMinutes { return time.Now().Unix() - ts*60 } if *sinceHours { return time.Now().Unix() - ts*60*60 } if *sinceDays { return time.Now().Unix() - ts*60*60*24 } if *sinceYears { return time.Now().Unix() - ts*60*60*24*365 } } return ts } |