writer

package
v0.26.2 Latest Latest
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 Go to latest Published: Aug 27, 2018 License: MIT Imports: 32 Imported by: 0

Documentation

Overview

Package writer defines implementations of an interface for generic message writing that outputs to various third party sinks.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type AMQP 

type AMQP struct {
	// contains filtered or unexported fields
}

AMQP is an output type that serves AMQP messages.

func NewAMQP 

func NewAMQP(conf AMQPConfig, log log.Modular, stats metrics.Type) (*AMQP, error)

NewAMQP creates a new AMQP writer type.

func (*AMQP) CloseAsync 

func (a *AMQP) CloseAsync()

CloseAsync shuts down the AMQP output and stops processing messages.

func (*AMQP) Connect 

func (a *AMQP) Connect() error

Connect establishes a connection to an AMQP server.

func (*AMQP) WaitForClose 

func (a *AMQP) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the AMQP output has closed down.

func (*AMQP) Write 

func (a *AMQP) Write(msg types.Message) error

Write will attempt to write a message over AMQP, wait for acknowledgement, and returns an error if applicable.

type AMQPConfig 

type AMQPConfig struct {
	URL             string                    `json:"url" yaml:"url"`
	Exchange        string                    `json:"exchange" yaml:"exchange"`
	ExchangeDeclare AMQPExchangeDeclareConfig `json:"exchange_declare" yaml:"exchange_declare"`
	BindingKey      string                    `json:"key" yaml:"key"`
	Persistent      bool                      `json:"persistent" yaml:"persistent"`
	Mandatory       bool                      `json:"mandatory" yaml:"mandatory"`
	Immediate       bool                      `json:"immediate" yaml:"immediate"`
	TLS             btls.Config               `json:"tls" yaml:"tls"`
}

AMQPConfig contains configuration fields for the AMQP output type.

func NewAMQPConfig 

func NewAMQPConfig() AMQPConfig

NewAMQPConfig creates a new AMQPConfig with default values.

type AMQPExchangeDeclareConfig 

type AMQPExchangeDeclareConfig struct {
	Enabled bool   `json:"enabled" yaml:"enabled"`
	Type    string `json:"type" yaml:"type"`
	Durable bool   `json:"durable" yaml:"durable"`
}

AMQPExchangeDeclareConfig contains fields indicating whether the target AMQP exchange needs to be declared, as well as any fields specifying how to accomplish that.

type AmazonAWSCredentialsConfig 

type AmazonAWSCredentialsConfig struct {
	ID     string `json:"id" yaml:"id"`
	Secret string `json:"secret" yaml:"secret"`
	Token  string `json:"token" yaml:"token"`
	Role   string `json:"role" yaml:"role"`
}

AmazonAWSCredentialsConfig contains configuration params for AWS credentials.

type AmazonS3 

type AmazonS3 struct {
	// contains filtered or unexported fields
}

AmazonS3 is a benthos writer.Type implementation that writes messages to an Amazon S3 bucket.

func NewAmazonS3 

func NewAmazonS3(
	conf AmazonS3Config,
	log log.Modular,
	stats metrics.Type,
) *AmazonS3

NewAmazonS3 creates a new Amazon S3 bucket writer.Type.

func (*AmazonS3) CloseAsync 

func (a *AmazonS3) CloseAsync()

CloseAsync begins cleaning up resources used by this reader asynchronously.

func (*AmazonS3) Connect 

func (a *AmazonS3) Connect() error

Connect attempts to establish a connection to the target S3 bucket.

func (*AmazonS3) WaitForClose 

func (a *AmazonS3) WaitForClose(time.Duration) error

WaitForClose will block until either the reader is closed or a specified timeout occurs.

func (*AmazonS3) Write 

func (a *AmazonS3) Write(msg types.Message) error

Write attempts to write message contents to a target S3 bucket as files.

type AmazonS3Config 

type AmazonS3Config struct {
	Region      string                     `json:"region" yaml:"region"`
	Bucket      string                     `json:"bucket" yaml:"bucket"`
	Path        string                     `json:"path" yaml:"path"`
	Credentials AmazonAWSCredentialsConfig `json:"credentials" yaml:"credentials"`
	TimeoutS    int64                      `json:"timeout_s" yaml:"timeout_s"`
}

AmazonS3Config contains configuration fields for the AmazonS3 output type.

func NewAmazonS3Config 

func NewAmazonS3Config() AmazonS3Config

NewAmazonS3Config creates a new Config with default values.

type AmazonSQS 

type AmazonSQS struct {
	// contains filtered or unexported fields
}

AmazonSQS is a benthos writer.Type implementation that writes messages to an Amazon SQS queue.

func NewAmazonSQS 

func NewAmazonSQS(
	conf AmazonSQSConfig,
	log log.Modular,
	stats metrics.Type,
) *AmazonSQS

NewAmazonSQS creates a new Amazon SQS writer.Type.

func (*AmazonSQS) CloseAsync 

func (a *AmazonSQS) CloseAsync()

CloseAsync begins cleaning up resources used by this reader asynchronously.

func (*AmazonSQS) Connect 

func (a *AmazonSQS) Connect() error

Connect attempts to establish a connection to the target SQS queue.

func (*AmazonSQS) WaitForClose 

func (a *AmazonSQS) WaitForClose(time.Duration) error

WaitForClose will block until either the reader is closed or a specified timeout occurs.

func (*AmazonSQS) Write 

func (a *AmazonSQS) Write(msg types.Message) error

Write attempts to write message contents to a target SQS.

type AmazonSQSConfig 

type AmazonSQSConfig struct {
	Region      string                     `json:"region" yaml:"region"`
	URL         string                     `json:"url" yaml:"url"`
	Credentials AmazonAWSCredentialsConfig `json:"credentials" yaml:"credentials"`
}

AmazonSQSConfig contains configuration fields for the output AmazonSQS type.

func NewAmazonSQSConfig 

func NewAmazonSQSConfig() AmazonSQSConfig

NewAmazonSQSConfig creates a new Config with default values.

type Elasticsearch 

type Elasticsearch struct {
	// contains filtered or unexported fields
}

Elasticsearch is a writer type that writes messages into elasticsearch.

func NewElasticsearch 

func NewElasticsearch(conf ElasticsearchConfig, log log.Modular, stats metrics.Type) (*Elasticsearch, error)

NewElasticsearch creates a new Elasticsearch writer type.

func (*Elasticsearch) CloseAsync 

func (e *Elasticsearch) CloseAsync()

CloseAsync shuts down the Elasticsearch writer and stops processing messages.

func (*Elasticsearch) Connect 

func (e *Elasticsearch) Connect() error

Connect attempts to establish a connection to a Elasticsearch broker.

func (*Elasticsearch) WaitForClose 

func (e *Elasticsearch) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the Elasticsearch writer has closed down.

func (*Elasticsearch) Write 

func (e *Elasticsearch) Write(msg types.Message) error

Write will attempt to write a message to Elasticsearch, wait for acknowledgement, and returns an error if applicable.

type ElasticsearchConfig 

type ElasticsearchConfig struct {
	URLs      []string             `json:"urls" yaml:"urls"`
	ID        string               `json:"id" yaml:"id"`
	Index     string               `json:"index" yaml:"index"`
	Type      string               `json:"type" yaml:"type"`
	TimeoutMS int                  `json:"timeout_ms" yaml:"timeout_ms"`
	Auth      auth.BasicAuthConfig `json:"basic_auth" yaml:"basic_auth"`
}

ElasticsearchConfig contains configuration fields for the Elasticsearch output type.

func NewElasticsearchConfig 

func NewElasticsearchConfig() ElasticsearchConfig

NewElasticsearchConfig creates a new ElasticsearchConfig with default values.

type Files 

type Files struct {
	// contains filtered or unexported fields
}

Files is a benthos writer.Type implementation that writes message parts each to their own file.

func NewFiles 

func NewFiles(
	conf FilesConfig,
	log log.Modular,
	stats metrics.Type,
) *Files

NewFiles creates a new file based writer.Type.

func (*Files) CloseAsync 

func (f *Files) CloseAsync()

CloseAsync begins cleaning up resources used by this reader asynchronously.

func (*Files) Connect 

func (f *Files) Connect() error

Connect is a noop.

func (*Files) WaitForClose 

func (f *Files) WaitForClose(time.Duration) error

WaitForClose will block until either the reader is closed or a specified timeout occurs.

func (*Files) Write 

func (f *Files) Write(msg types.Message) error

Write attempts to write message contents to a directory as files.

type FilesConfig 

type FilesConfig struct {
	Path string `json:"path" yaml:"path"`
}

FilesConfig contains configuration fields for the files output type.

func NewFilesConfig 

func NewFilesConfig() FilesConfig

NewFilesConfig creates a new Config with default values.

type HTTPClient 

type HTTPClient struct {
	// contains filtered or unexported fields
}

HTTPClient is an output type that sends messages as HTTP requests to a target server endpoint.

func NewHTTPClient 

func NewHTTPClient(conf HTTPClientConfig, log log.Modular, stats metrics.Type) (*HTTPClient, error)

NewHTTPClient creates a new HTTPClient writer type.

func (*HTTPClient) CloseAsync 

func (h *HTTPClient) CloseAsync()

CloseAsync shuts down the HTTPClient output and stops processing messages.

func (*HTTPClient) Connect 

func (h *HTTPClient) Connect() error

Connect does nothing.

func (*HTTPClient) WaitForClose 

func (h *HTTPClient) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the HTTPClient output has closed down.

func (*HTTPClient) Write 

func (h *HTTPClient) Write(msg types.Message) error

Write attempts to send a message to an HTTP server, this attempt may include retries, and if all retries fail an error is returned.

type HTTPClientConfig 

type HTTPClientConfig struct {
	client.Config `json:",inline" yaml:",inline"`
}

HTTPClientConfig contains configuration fields for the HTTPClient output type.

func NewHTTPClientConfig 

func NewHTTPClientConfig() HTTPClientConfig

NewHTTPClientConfig creates a new HTTPClientConfig with default values.

type Kafka 

type Kafka struct {
	// contains filtered or unexported fields
}

Kafka is a writer type that writes messages into kafka.

func NewKafka 

func NewKafka(conf KafkaConfig, log log.Modular, stats metrics.Type) (*Kafka, error)

NewKafka creates a new Kafka writer type.

func (*Kafka) CloseAsync 

func (k *Kafka) CloseAsync()

CloseAsync shuts down the Kafka writer and stops processing messages.

func (*Kafka) Connect 

func (k *Kafka) Connect() error

Connect attempts to establish a connection to a Kafka broker.

func (*Kafka) WaitForClose 

func (k *Kafka) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the Kafka writer has closed down.

func (*Kafka) Write 

func (k *Kafka) Write(msg types.Message) error

Write will attempt to write a message to Kafka, wait for acknowledgement, and returns an error if applicable.

type KafkaConfig 

type KafkaConfig struct {
	Addresses            []string    `json:"addresses" yaml:"addresses"`
	ClientID             string      `json:"client_id" yaml:"client_id"`
	Key                  string      `json:"key" yaml:"key"`
	RoundRobinPartitions bool        `json:"round_robin_partitions" yaml:"round_robin_partitions"`
	Topic                string      `json:"topic" yaml:"topic"`
	Compression          string      `json:"compression" yaml:"compression"`
	MaxMsgBytes          int         `json:"max_msg_bytes" yaml:"max_msg_bytes"`
	TimeoutMS            int         `json:"timeout_ms" yaml:"timeout_ms"`
	AckReplicas          bool        `json:"ack_replicas" yaml:"ack_replicas"`
	TargetVersion        string      `json:"target_version" yaml:"target_version"`
	TLS                  btls.Config `json:"tls" yaml:"tls"`
}

KafkaConfig contains configuration fields for the Kafka output type.

func NewKafkaConfig 

func NewKafkaConfig() KafkaConfig

NewKafkaConfig creates a new KafkaConfig with default values.

type Kinesis 

type Kinesis struct {
	// contains filtered or unexported fields
}

Kinesis is a benthos writer.Type implementation that writes messages to an Amazon SQS queue.

func NewKinesis 

func NewKinesis(
	conf KinesisConfig,
	log log.Modular,
	stats metrics.Type,
) (*Kinesis, error)

NewKinesis creates a new Amazon SQS writer.Type.

func (*Kinesis) CloseAsync 

func (a *Kinesis) CloseAsync()

CloseAsync begins cleaning up resources used by this reader asynchronously.

func (*Kinesis) Connect 

func (a *Kinesis) Connect() error

Connect attempts to establish a connection to the target SQS queue.

func (*Kinesis) WaitForClose 

func (a *Kinesis) WaitForClose(time.Duration) error

WaitForClose will block until either the reader is closed or a specified timeout occurs.

func (*Kinesis) Write 

func (a *Kinesis) Write(msg types.Message) error

Write attempts to write message contents to a target SQS.

type KinesisConfig 

type KinesisConfig struct {
	Region       string                     `json:"region" yaml:"region"`
	Stream       string                     `json:"stream" yaml:"stream"`
	HashKey      string                     `json:"hash_key" yaml:"hash_key"`
	PartitionKey string                     `json:"partition_key" yaml:"partition_key"`
	Credentials  AmazonAWSCredentialsConfig `json:"credentials" yaml:"credentials"`
}

KinesisConfig contains configuration fields for the output Kinesis type.

func NewKinesisConfig 

func NewKinesisConfig() KinesisConfig

NewKinesisConfig creates a new Config with default values.

type MQTT 

type MQTT struct {
	// contains filtered or unexported fields
}

MQTT is an output type that serves MQTT messages.

func NewMQTT 

func NewMQTT(
	conf MQTTConfig,
	log log.Modular,
	stats metrics.Type,
) (*MQTT, error)

NewMQTT creates a new MQTT output type.

func (*MQTT) CloseAsync 

func (m *MQTT) CloseAsync()

CloseAsync shuts down the MQTT output and stops processing messages.

func (*MQTT) Connect 

func (m *MQTT) Connect() error

Connect establishes a connection to an MQTT server.

func (*MQTT) WaitForClose 

func (m *MQTT) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the MQTT output has closed down.

func (*MQTT) Write 

func (m *MQTT) Write(msg types.Message) error

Write attempts to write a message by pushing it to an MQTT broker.

type MQTTConfig 

type MQTTConfig struct {
	URLs     []string `json:"urls" yaml:"urls"`
	QoS      uint8    `json:"qos" yaml:"qos"`
	Topic    string   `json:"topic" yaml:"topic"`
	ClientID string   `json:"client_id" yaml:"client_id"`
}

MQTTConfig contains configuration fields for the MQTT output type.

func NewMQTTConfig 

func NewMQTTConfig() MQTTConfig

NewMQTTConfig creates a new MQTTConfig with default values.

type RedisList 

type RedisList struct {
	// contains filtered or unexported fields
}

RedisList is an output type that serves RedisList messages.

func NewRedisList 

func NewRedisList(
	conf RedisListConfig,
	log log.Modular,
	stats metrics.Type,
) (*RedisList, error)

NewRedisList creates a new RedisList output type.

func (*RedisList) CloseAsync 

func (r *RedisList) CloseAsync()

CloseAsync shuts down the RedisList output and stops processing messages.

func (*RedisList) Connect 

func (r *RedisList) Connect() error

Connect establishes a connection to an RedisList server.

func (*RedisList) WaitForClose 

func (r *RedisList) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the RedisList output has closed down.

func (*RedisList) Write 

func (r *RedisList) Write(msg types.Message) error

Write attempts to write a message by pushing it to the end of a Redis list.

type RedisListConfig 

type RedisListConfig struct {
	URL string `json:"url" yaml:"url"`
	Key string `json:"key" yaml:"key"`
}

RedisListConfig contains configuration fields for the RedisList output type.

func NewRedisListConfig 

func NewRedisListConfig() RedisListConfig

NewRedisListConfig creates a new RedisListConfig with default values.

type RedisPubSub 

type RedisPubSub struct {
	// contains filtered or unexported fields
}

RedisPubSub is an output type that serves RedisPubSub messages.

func NewRedisPubSub 

func NewRedisPubSub(
	conf RedisPubSubConfig,
	log log.Modular,
	stats metrics.Type,
) (*RedisPubSub, error)

NewRedisPubSub creates a new RedisPubSub output type.

func (*RedisPubSub) CloseAsync 

func (r *RedisPubSub) CloseAsync()

CloseAsync shuts down the RedisPubSub output and stops processing messages.

func (*RedisPubSub) Connect 

func (r *RedisPubSub) Connect() error

Connect establishes a connection to an RedisPubSub server.

func (*RedisPubSub) WaitForClose 

func (r *RedisPubSub) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the RedisPubSub output has closed down.

func (*RedisPubSub) Write 

func (r *RedisPubSub) Write(msg types.Message) error

Write attempts to write a message by pushing it to the end of a Redis list.

type RedisPubSubConfig 

type RedisPubSubConfig struct {
	URL     string `json:"url" yaml:"url"`
	Channel string `json:"channel" yaml:"channel"`
}

RedisPubSubConfig contains configuration fields for the RedisPubSub output type.

func NewRedisPubSubConfig 

func NewRedisPubSubConfig() RedisPubSubConfig

NewRedisPubSubConfig creates a new RedisPubSubConfig with default values.

type RedisStreams 

type RedisStreams struct {
	// contains filtered or unexported fields
}

RedisStreams is an output type that serves RedisStreams messages.

func NewRedisStreams 

func NewRedisStreams(
	conf RedisStreamsConfig,
	log log.Modular,
	stats metrics.Type,
) (*RedisStreams, error)

NewRedisStreams creates a new RedisStreams output type.

func (*RedisStreams) CloseAsync 

func (r *RedisStreams) CloseAsync()

CloseAsync shuts down the RedisStreams output and stops processing messages.

func (*RedisStreams) Connect 

func (r *RedisStreams) Connect() error

Connect establishes a connection to an RedisStreams server.

func (*RedisStreams) WaitForClose 

func (r *RedisStreams) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the RedisStreams output has closed down.

func (*RedisStreams) Write 

func (r *RedisStreams) Write(msg types.Message) error

Write attempts to write a message by pushing it to the end of a Redis list.

type RedisStreamsConfig 

type RedisStreamsConfig struct {
	URL          string `json:"url" yaml:"url"`
	Stream       string `json:"stream" yaml:"stream"`
	BodyKey      string `json:"body_key" yaml:"body_key"`
	MaxLenApprox int64  `json:"max_length" yaml:"max_length"`
}

RedisStreamsConfig contains configuration fields for the RedisStreams output type.

func NewRedisStreamsConfig 

func NewRedisStreamsConfig() RedisStreamsConfig

NewRedisStreamsConfig creates a new RedisStreamsConfig with default values.

type Type 

type Type interface {
	// Connect attempts to establish a connection to the sink, if unsuccessful
	// returns an error. If the attempt is successful (or not necessary) returns
	// nil.
	Connect() error

	// Write should block until either the message is sent (and acknowledged) to
	// a sink, or a transport specific error has occurred, or the Type is
	// closed.
	Write(msg types.Message) error

	types.Closable
}

Type is a type that writes Benthos messages to a third party sink. If the protocol supports a form of acknowledgement then it will be returned by the call to Write.

type Websocket 

type Websocket struct {
	// contains filtered or unexported fields
}

Websocket is an output type that serves Websocket messages.

func NewWebsocket 

func NewWebsocket(
	conf WebsocketConfig,
	log log.Modular,
	stats metrics.Type,
) (*Websocket, error)

NewWebsocket creates a new Websocket output type.

func (*Websocket) CloseAsync 

func (w *Websocket) CloseAsync()

CloseAsync shuts down the Websocket output and stops processing messages.

func (*Websocket) Connect 

func (w *Websocket) Connect() error

Connect establishes a connection to an Websocket server.

func (*Websocket) WaitForClose 

func (w *Websocket) WaitForClose(timeout time.Duration) error

WaitForClose blocks until the Websocket output has closed down.

func (*Websocket) Write 

func (w *Websocket) Write(msg types.Message) error

Write attempts to write a message by pushing it to an Websocket broker.

type WebsocketConfig 

type WebsocketConfig struct {
	URL         string `json:"url" yaml:"url"`
	auth.Config `json:",inline" yaml:",inline"`
}

WebsocketConfig contains configuration fields for the Websocket output type.

func NewWebsocketConfig 

func NewWebsocketConfig() WebsocketConfig

NewWebsocketConfig creates a new WebsocketConfig with default values.

type ZMQ4Config 

type ZMQ4Config struct{}

ZMQ4Config empty stub for when ZMQ4 is not compiled.

func NewZMQ4Config 

func NewZMQ4Config() *ZMQ4Config

NewZMQ4Config returns nil.

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