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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package consumer | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "github.com/port-labs/port-k8s-exporter/pkg/config" | ||
| "github.com/port-labs/port-k8s-exporter/pkg/port/cli" | ||
| "github.com/port-labs/port-k8s-exporter/pkg/port/kafka_credentials" | ||
| "github.com/port-labs/port-k8s-exporter/pkg/port/org_details" | ||
| utilruntime "k8s.io/apimachinery/pkg/util/runtime" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
||
| type EventListener struct { | ||
| stateKey string | ||
| portClient *cli.PortClient | ||
| topic string | ||
| consumer *Consumer | ||
| } | ||
|
|
||
| type IncomingMessage struct { | ||
| Diff *struct { | ||
| After *struct { | ||
| Identifier string `json:"installationId"` | ||
| } `json:"after"` | ||
| } `json:"diff"` | ||
| } | ||
|
|
||
| func NewEventListener(portClient *cli.PortClient) (*EventListener, error) { | ||
| klog.Infof("Getting Consumer Information") | ||
| credentials, err := kafka_credentials.GetKafkaCredentials(portClient) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| orgId, err := org_details.GetOrgId(portClient) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| c := &config.KafkaConfiguration{ | ||
| Brokers: config.KafkaConfig.Brokers, | ||
| SecurityProtocol: config.KafkaConfig.SecurityProtocol, | ||
| AuthenticationMechanism: config.KafkaConfig.AuthenticationMechanism, | ||
| Username: credentials.Username, | ||
| Password: credentials.Password, | ||
| GroupID: orgId + ".k8s." + config.ApplicationConfig.StateKey, | ||
| } | ||
|
|
||
| topic := orgId + ".change.log" | ||
| instance, err := NewConsumer(c, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &EventListener{ | ||
| stateKey: config.ApplicationConfig.StateKey, | ||
| portClient: portClient, | ||
| topic: topic, | ||
| consumer: instance, | ||
| }, nil | ||
| } | ||
|
|
||
| func shouldResync(stateKey string, message *IncomingMessage) bool { | ||
| return message.Diff != nil && | ||
| message.Diff.After != nil && | ||
| message.Diff.After.Identifier != "" && | ||
| message.Diff.After.Identifier == stateKey | ||
| } | ||
|
|
||
| func (l *EventListener) Run(resync func()) error { | ||
| klog.Infof("Starting Kafka event listener") | ||
|
|
||
| klog.Infof("Starting consumer for topic %s", l.topic) | ||
| l.consumer.Consume(l.topic, func(value []byte) { | ||
| incomingMessage := &IncomingMessage{} | ||
| parsingError := json.Unmarshal(value, &incomingMessage) | ||
| if parsingError != nil { | ||
| utilruntime.HandleError(fmt.Errorf("error handling message: %s", parsingError.Error())) | ||
| } else if shouldResync(l.stateKey, incomingMessage) { | ||
| klog.Infof("Changes detected. Resyncing...") | ||
| resync() | ||
| } | ||
| }, nil) | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| package polling | ||
|
|
||
| import ( | ||
| "github.com/port-labs/port-k8s-exporter/pkg/config" | ||
| "github.com/port-labs/port-k8s-exporter/pkg/port/cli" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
||
| type EventListener struct { | ||
| stateKey string | ||
| portClient *cli.PortClient | ||
| } | ||
|
|
||
| func NewEventListener(portClient *cli.PortClient) *EventListener { | ||
| return &EventListener{ | ||
| stateKey: config.ApplicationConfig.StateKey, | ||
| portClient: portClient, | ||
| } | ||
| } | ||
|
|
||
| func (l *EventListener) Run(resync func()) error { | ||
| klog.Infof("Starting polling event listener") | ||
| klog.Infof("Polling rate set to %d seconds", config.PollingListenerRate) | ||
| pollingHandler := NewPollingHandler(config.PollingListenerRate, l.stateKey, l.portClient, nil) | ||
| pollingHandler.Run(resync) | ||
|
|
||
| return nil | ||
| } |
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