init (#1)

Reviewed-on: #1
Co-authored-by: Tobias Trabelsi <lerentis@uploadfilter24.eu>
Co-committed-by: Tobias Trabelsi <lerentis@uploadfilter24.eu>

cmd/main.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"git.uploadfilter24.eu/covidnetes/metallb-ip-floater/internal"
+	"git.uploadfilter24.eu/covidnetes/metallb-ip-floater/internal/utils"
+	log "github.com/sirupsen/logrus"
+)
+
+func main() {
+
+	cfg, err := internal.GenConfig()
+	utils.ConfigureLogger(cfg)
+
+	if err != nil {
+		log.WithFields(log.Fields{
+			"Caller": "Main",
+		}).Fatal(fmt.Sprintf("Error generating Config: %s", err.Error()))
+	}
+
+	go func() {
+		log.WithFields(log.Fields{
+			"Caller": "Main",
+		}).Info("Starting Health Endpoint")
+		internal.StartHealthEndpoint()
+	}()
+
+	log.WithFields(log.Fields{
+		"Caller": "Main",
+	}).Info("Entering main event loop")
+
+	for {
+		possibleCandidates, err := internal.GetSpeakableNodes(cfg)
+		if err != nil {
+			log.WithFields(log.Fields{
+				"Caller": "Main",
+			}).Fatal(fmt.Sprintf("Failed to get possible IPs: %s", err.Error()))
+		}
+		for _, ip := range possibleCandidates {
+			metrics, err := internal.GetMetrics(cfg, fmt.Sprintf("%s:%d/metrics", ip, 7472))
+			if err != nil {
+				log.WithFields(log.Fields{
+					"Caller": "Main",
+				}).Fatal(fmt.Sprintf("Failed to get Metrics for IP %s: %s", ip, err.Error()))
+			}
+			parsedMetrics, err := internal.ParseMetrics(metrics)
+			for k, v := range parsedMetrics {
+				if k == "metallb_speaker_announced" {
+					log.WithFields(log.Fields{
+						"Caller": "Main",
+					}).Debug(fmt.Sprintf("Value of key metallb_speaker_announced on %s: %s", ip, v))
+					metrics_ip, err := internal.GetIpFromMetrics(v)
+					if err != nil {
+						log.WithFields(log.Fields{
+							"Caller": "Main",
+						}).Fatal(fmt.Sprintf("Failed to ge IP: %s", err.Error()))
+					}
+					log.WithFields(log.Fields{
+						"Caller": "Main",
+					}).Debug(fmt.Sprintf("Ip in metrics value on %s: %s", ip, metrics_ip))
+					speakerNodeID, err := internal.GetNodeID(cfg, ip)
+					if err != nil {
+						log.WithFields(log.Fields{
+							"Caller": "Main",
+						}).Fatal(fmt.Sprintf("Failed to get Node ID for IP %s: %s", ip, err.Error()))
+					}
+					if cfg.DryRun {
+						log.WithFields(log.Fields{
+							"Caller": "Main",
+						}).Info(fmt.Sprintf("Would Assign Floating IP to Node: %s", speakerNodeID.Name))
+					} else {
+						err = internal.AttachFloatingIpToNode(cfg, speakerNodeID)
+						if err != nil {
+							log.WithFields(log.Fields{
+								"Caller": "Main",
+							}).Fatal(fmt.Sprintf("Failed to Attach Floating IP to Node: %s", err.Error()))
+						}
+					}
+				}
+			}
+		}
+		time.Sleep(15 * time.Minute)
+	}
+}

cmd/main_test.go

@@ -0,0 +1 @@
+package main