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rabbitmq.go
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rabbitmq.go
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// SPDX-License-Identifier: MIT OR Apache-2.0
package outputs
import (
"encoding/json"
"errors"
"log"
"github.com/DataDog/datadog-go/statsd"
"github.com/falcosecurity/falcosidekick/types"
amqp "github.com/rabbitmq/amqp091-go"
)
// NewRabbitmqClient returns a new output.Client for accessing the RabbitmMQ API.
func NewRabbitmqClient(config *types.Configuration, stats *types.Statistics, promStats *types.PromStatistics, statsdClient, dogstatsdClient *statsd.Client) (*Client, error) {
var channel *amqp.Channel
if config.Rabbitmq.URL != "" && config.Rabbitmq.Queue != "" {
conn, err := amqp.Dial(config.Rabbitmq.URL)
if err != nil {
log.Printf("[ERROR] : Rabbitmq - %v\n", "Error while connecting rabbitmq")
return nil, errors.New("error while connecting Rabbitmq")
}
ch, err := conn.Channel()
if err != nil {
log.Printf("[ERROR] : Rabbitmq Channel - %v\n", "Error while creating rabbitmq channel")
return nil, errors.New("error while creating rabbitmq channel")
}
channel = ch
}
return &Client{
OutputType: "RabbitMQ",
Config: config,
RabbitmqClient: channel,
Stats: stats,
PromStats: promStats,
StatsdClient: statsdClient,
DogstatsdClient: dogstatsdClient,
}, nil
}
// Publish sends a message to a Rabbitmq
func (c *Client) Publish(falcopayload types.FalcoPayload) {
c.Stats.Rabbitmq.Add(Total, 1)
payload, _ := json.Marshal(falcopayload)
err := c.RabbitmqClient.Publish("", c.Config.Rabbitmq.Queue, false, false, amqp.Publishing{
ContentType: "text/plain",
Body: payload,
})
if err != nil {
log.Printf("[ERROR] : RabbitMQ - %v - %v\n", "Error while publishing message", err.Error())
c.Stats.Rabbitmq.Add(Error, 1)
go c.CountMetric("outputs", 1, []string{"output:rabbitmq", "status:error"})
c.PromStats.Outputs.With(map[string]string{"destination": "rabbitmq", "status": Error}).Inc()
return
}
log.Printf("[INFO] : RabbitMQ - Send to message OK \n")
c.Stats.Rabbitmq.Add(OK, 1)
go c.CountMetric("outputs", 1, []string{"output:rabbitmq", "status:ok"})
c.PromStats.Outputs.With(map[string]string{"destination": "rabbitmq", "status": OK}).Inc()
}