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