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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package outputs | ||
|
|
||
| import ( | ||
| "crypto/tls" | ||
| "log" | ||
|
|
||
| "github.com/DataDog/datadog-go/statsd" | ||
| mqtt "github.com/eclipse/paho.mqtt.golang" | ||
| "github.com/google/uuid" | ||
|
|
||
| "github.com/falcosecurity/falcosidekick/types" | ||
| ) | ||
|
|
||
| // NewMQTTClient returns a new output.Client for accessing Kubernetes. | ||
| func NewMQTTClient(config *types.Configuration, stats *types.Statistics, promStats *types.PromStatistics, | ||
| statsdClient, dogstatsdClient *statsd.Client) (*Client, error) { | ||
|
|
||
| options := mqtt.NewClientOptions() | ||
| options.AddBroker(config.MQTT.Broker) | ||
| options.SetClientID("falcosidekick-" + uuid.NewString()[:6]) | ||
| if config.MQTT.User != "" && config.MQTT.Password != "" { | ||
| options.Username = config.MQTT.User | ||
| options.Password = config.MQTT.Password | ||
| } | ||
| if !config.MQTT.CheckCert { | ||
| // #nosec G402 This is only set as a result of explicit configuration | ||
| options.TLSConfig = &tls.Config{ | ||
| InsecureSkipVerify: true, | ||
| } | ||
| } | ||
| options.OnConnectionLost = func(client mqtt.Client, err error) { | ||
| log.Printf("[ERROR] : MQTT - Connection lost: %v\n", err.Error()) | ||
| } | ||
|
|
||
| client := mqtt.NewClient(options) | ||
|
|
||
| return &Client{ | ||
| OutputType: MQTT, | ||
| Config: config, | ||
| MQTTClient: client, | ||
| Stats: stats, | ||
| PromStats: promStats, | ||
| StatsdClient: statsdClient, | ||
| DogstatsdClient: dogstatsdClient, | ||
| }, nil | ||
| } | ||
|
|
||
| // MQTTPublish . | ||
| func (c *Client) MQTTPublish(falcopayload types.FalcoPayload) { | ||
| c.Stats.MQTT.Add(Total, 1) | ||
|
|
||
| t := c.MQTTClient.Connect() | ||
| t.Wait() | ||
| if err := t.Error(); err != nil { | ||
| go c.CountMetric(Outputs, 1, []string{"output:mqtt", "status:error"}) | ||
| c.Stats.MQTT.Add(Error, 1) | ||
| c.PromStats.Outputs.With(map[string]string{"destination": "mqtt", "status": err.Error()}).Inc() | ||
| log.Printf("[ERROR] : %s - %v\n", MQTT, err.Error()) | ||
| return | ||
| } | ||
| defer c.MQTTClient.Disconnect(100) | ||
| if err := c.MQTTClient.Publish(c.Config.MQTT.Topic, byte(c.Config.MQTT.QOS), c.Config.MQTT.Retained, falcopayload.String()).Error(); err != nil { | ||
| go c.CountMetric(Outputs, 1, []string{"output:mqtt", "status:error"}) | ||
| c.Stats.MQTT.Add(Error, 1) | ||
| c.PromStats.Outputs.With(map[string]string{"destination": "mqtt", "status": Error}).Inc() | ||
| log.Printf("[ERROR] : %s - %v\n", MQTT, err.Error()) | ||
| return | ||
| } | ||
|
|
||
| log.Printf("[INFO] : %s - Message published\n", MQTT) | ||
| go c.CountMetric(Outputs, 1, []string{"output:mqtt", "status:ok"}) | ||
| c.Stats.MQTT.Add(OK, 1) | ||
| c.PromStats.Outputs.With(map[string]string{"destination": "mqtt", "status": OK}).Inc() | ||
| } |
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