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connectivity.conf
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connectivity.conf
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ditto {
service-name = "connectivity"
mongodb {
database = "connectivity"
database = ${?MONGO_DB_DATABASE}
}
extensions {
# Factory for custom connection priority provider.
connection-priority-provider-factory = "org.eclipse.ditto.connectivity.service.messaging.persistence.UsageBasedPriorityProviderFactory"
# Factory for custom client actor props.
client-actor-props-factory = "org.eclipse.ditto.connectivity.service.messaging.DefaultClientActorPropsFactory"
# Factory for getting a fully-fledged Hono factory for a particular base connection.
hono-connection-factory = "org.eclipse.ditto.connectivity.service.messaging.hono.DefaultHonoConnectionFactory"
# Extension for custom message mapper behaviour
message-mapper-extension = "org.eclipse.ditto.connectivity.service.mapping.NoOpMessageMapperExtension"
signal-enrichment-provider {
// Beware: Despite similarities with gateway signal-enrichment providers,
// this class is different and not compatible with them.
extension-class = "org.eclipse.ditto.connectivity.service.mapping.DefaultConnectivitySignalEnrichmentProvider"
extension-config {
cache {
# enable/disable caching
enabled = true
enabled = ${?CONNECTIVITY_SIGNAL_ENRICHMENT_CACHE_ENABLED}
# how many things to cache in total on a single cluster node
maximum-size = 20000
maximum-size = ${?CONNECTIVITY_SIGNAL_ENRICHMENT_CACHE_MAXIMUM_SIZE}
# maximum duration of inconsistency after e.g. a policy update
expire-after-create = 2m
expire-after-create = ${?CONNECTIVITY_SIGNAL_ENRICHMENT_CACHE_EXPIRE_AFTER_CREATE}
}
# timeout for all facades
ask-timeout = 10s
ask-timeout = ${?CONNECTIVITY_SIGNAL_ENRICHMENT_ASK_TIMEOUT}
}
}
connection-enforcer-actor-props-factory = org.eclipse.ditto.connectivity.service.enforcement.NoOpEnforcerActorPropsFactory
# Provider for a custom connectivity-command interceptor.
custom-connectivity-command-interceptor-provider = "org.eclipse.ditto.connectivity.service.messaging.validation.NoOpConnectivityCommandInterceptorProvider"
pre-enforcer-provider.extension-config.pre-enforcers = [
"org.eclipse.ditto.policies.enforcement.pre.CommandWithOptionalEntityPreEnforcer"
]
message-mapper-provider {
extension-class = "org.eclipse.ditto.connectivity.service.mapping.MessageMapperProvider"
extension-config {
message-mappers = [
"org.eclipse.ditto.connectivity.service.mapping.DittoMessageMapper"
"org.eclipse.ditto.connectivity.service.mapping.CloudEventsMapper"
"org.eclipse.ditto.connectivity.service.mapping.ConnectionStatusMessageMapper"
"org.eclipse.ditto.connectivity.service.mapping.ImplicitThingCreationMessageMapper"
"org.eclipse.ditto.connectivity.service.mapping.javascript.JavaScriptMessageMapperRhino"
"org.eclipse.ditto.connectivity.service.mapping.NormalizedMessageMapper"
"org.eclipse.ditto.connectivity.service.mapping.RawMessageMapper"
"org.eclipse.ditto.connectivity.service.mapping.UpdateTwinWithLiveResponseMessageMapper"
]
}
}
snapshot-adapter = "org.eclipse.ditto.connectivity.service.messaging.persistence.ConnectionMongoSnapshotAdapter"
}
mapping-strategy.implementation = "org.eclipse.ditto.connectivity.api.ConnectivityMappingStrategies"
persistence.operations.delay-after-persistence-actor-shutdown = 5s
persistence.operations.delay-after-persistence-actor-shutdown = ${?DELAY_AFTER_PERSISTENCE_ACTOR_SHUTDOWN}
connectivity {
hono {
base-uri = "tcp://localhost:30092"
base-uri = ${?HONO_CONNECTION_URI}
validate-certificates = false
validate-certificates = ${?HONO_CONNECTION_VALIDATE_CERTIFICATE}
sasl-mechanism = "PLAIN"
sasl-mechanism = ${?HONO_CONNECTION_SASL_MECHANISM}
bootstrap-servers = "bootstrap.server:9999"
bootstrap-servers = ${?HONO_CONNECTION_BOOTSTRAP_SERVERS}
username = "honoUsername"
username = ${?HONO_CONNECTION_HONO_USERNAME}
password = "honoPassword"
password = ${?HONO_CONNECTION_HONO_PASSWORD}
}
user-indicated-errors-base = [
# Kafka
{exceptionName: "org.apache.kafka.common.errors.SaslAuthenticationException", messagePattern: ".*"}
{exceptionName: "org.apache.kafka.common.errors.UnsupportedSaslMechanismException", messagePattern: ".*"}
{exceptionName: "org.apache.kafka.common.errors.IllegalSaslStateException", messagePattern: ".*"}
{exceptionName: "org.apache.kafka.common.errors.SslAuthenticationException", messagePattern: ".*"}
{exceptionName: "org.apache.kafka.common.errors.TimeoutException", messagePattern: ".*"}
# MQTT
{exceptionName: "com.hivemq.client.mqtt.exceptions.ConnectionClosedException", messagePattern: "Server closed connection without DISCONNECT.*"}
{exceptionName: "com.hivemq.client.mqtt.exceptions.ConnectionClosedException", messagePattern: "io.netty.channel.unix.Errors$NativeIoException.*"}
# MQTT 3.1.1 - treat error codes from the broker as user indicated errors
{exceptionName: "com.hivemq.client.mqtt.mqtt3.exceptions.Mqtt3ConnAckException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt3.exceptions.Mqtt3DisconnectException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt3.exceptions.Mqtt3PubAckException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt3.exceptions.Mqtt3PubRecException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt3.exceptions.Mqtt3SubAckException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt3.exceptions.Mqtt3UnsubAckException", messagePattern: ".*"}
# MQTT 5 - treat error codes from the broker as user indicated errors
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5AuthException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5ConnAckException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5DisconnectException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5PubAckException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5PubRecException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5SubAckException", messagePattern: ".*"}
{exceptionName: "com.hivemq.client.mqtt.mqtt5.exceptions.Mqtt5UnsubAckException", messagePattern: ".*"}
# RabbitMQ
{exceptionName: "com.rabbitmq.client.AuthenticationFailureException", messagePattern: ".*"}
{exceptionName: "com.rabbitmq.client.ShutdownSignalException", messagePattern: ".*"}
{exceptionName: "javax.net.ssl.SSLException", messagePattern: ".*"}
{exceptionName: "java.net.SocketException", messagePattern: "Socket closed.*"}
# SSH Tunnel
{exceptionName: "java.nio.channels.UnresolvedAddressException", messagePattern: ".*"}
{exceptionName: "org.apache.sshd.common.SshException", messagePattern: ".*authentication.*"}
{exceptionName: "java.net.ConnectException", messagePattern: ".*Connection refused.*"}
{exceptionName: "java.lang.RuntimeException", messagePattern: ".*load key from.*"} //thrown when private key could not be loaded
# AMQP 1.0
{exceptionName: "org.apache.qpid.jms.provider.ProviderException", messagePattern: ".*"}
{exceptionName: "org.apache.qpid.jms.provider.exceptions.ProviderSecurityException", messagePattern: ".*"}
{exceptionName: "org.apache.qpid.jms.provider.exceptions.ProviderInvalidDestinationException", messagePattern: ".*"}
{exceptionName: "org.apache.qpid.jms.JmsOperationTimedOutException", messagePattern: ".*"}
# HTTP
{exceptionName: "org.eclipse.ditto.jwt.model.JwtInvalidException", messagePattern: ".*"}
{exceptionName: "akka.http.impl.engine.client.OutgoingConnectionBlueprint.UnexpectedConnectionClosureException", messagePattern: ".*"}
{exceptionName: "akka.stream.StreamTcpException", messagePattern: ".*Connection reset by peer.*"}
# Common cert exceptions
{exceptionName: "java.security.cert.CertificateException", messagePattern: ".*"}
{exceptionName: "java.security.cert.CertPathValidatorException", messagePattern: ".*"}
{exceptionName: "sun.security.provider.certpath.SunCertPathBuilderException", messagePattern: ".*"}
]
user-indicated-errors-extended = []
user-indicated-errors-extended = ${?USER_INDICATED_ERRORS}
user-indicated-errors = ${ditto.connectivity.user-indicated-errors-base} ${ditto.connectivity.user-indicated-errors-extended}
connection {
# A comma separated string of hostnames to which http requests will allowed. This overrides the blocked
# hostnames i.e if a host is blocked *and* allowed, it will be allowed.
allowed-hostnames = "hono-endpoint"
#allowed-hostnames = "localhost"
allowed-hostnames = ${?CONNECTIVITY_CONNECTION_ALLOWED_HOSTNAMES}
# A comma separated string of blocked hostnames to which no http requests will be sent out.
# Set it to an empty string to permit outgoing HTTP connections against private IP addresses.
blocked-hostnames = ""
#blocked-hostnames = "localhost"
blocked-hostnames = ${?CONNECTIVITY_CONNECTION_BLOCKED_HOSTNAMES}
# A comma separated string of blocked subnets to which no http requests will be sent out.
# Specify subnets to block in CIDR format e.g. "11.1.0.0/16"
blocked-subnets = ""
blocked-subnets = ${?CONNECTIVITY_CONNECTION_BLOCKED_SUBNETS}
# A regex which is used to determine blocked hostnames.
blocked-host-regex = ""
blocked-host-regex = ${?CONNECTIVITY_CONNECTION_BLOCKED_HOST_REGEX}
# Number of sources per connection
max-source-number = 4
max-source-number = ${?CONNECTION_SOURCE_NUMBER}
# Number of targets per connection
max-target-number = 4
max-target-number = ${?CONNECTION_TARGET_NUMBER}
supervisor {
exponential-backoff {
min = 1s
max = 120s
random-factor = 1.0
corrupted-receive-timeout = 600s
}
}
snapshot {
threshold = 10
interval = 15m
}
activity-check {
# the interval of how long to keep a closed, "inactive" Connection in memory
inactive-interval = 45m
inactive-interval = ${?CONNECTION_ACTIVITY_CHECK_INTERVAL} # may be overridden with this environment variable
# the interval of how long to keep a deleted Connection in memory:
deleted-interval = 5m
deleted-interval = ${?CONNECTION_ACTIVITY_CHECK_DELETED_INTERVAL}
}
# how long for connection actor to wait for response from client actors
# by default this value is very high because connection establishment can take very long and if we timeout too
# early the connection is not subscribed for events properly
# this timeout needs to be smaller then ditto.gateway.http.request-timeout in gateway.conf
client-actor-ask-timeout = 55s
client-actor-ask-timeout = ${?CONNECTIVITY_CLIENT_ACTOR_ASK_TIMEOUT}
# how often the connection actor will retry starting a failing client actor. If exceeded, errors will be
# escalated to the supervisor, which will effectively cause the whole connection to be restarted.
client-actor-restarts-before-escalation = 3
client-actor-restarts-before-escalation = ${?CONNECTIVITY_CLIENT_ACTOR_RETRIES_BEFORE_ESCALATION}
# Whether to start 1 client actor on each node or to start all client actors on the same node.
# It is not possible to start multiple client actors on multiple nodes.
all-client-actors-on-one-node = false
all-client-actors-on-one-node = ${?CONNECTIVITY_ALL_CLIENT_ACTORS_ON_ONE_NODE}
acknowledgement {
# lifetime of ack forwarder. Must be bigger than the largest possible command timeout (60s)
forwarder-fallback-timeout = 65s
# lifetime of collector of source acknowledgements. usually terminates before this long when all acks arrive.
collector-fallback-lifetime = 100s
# how long to wait on the collector before acknowledging negatively on the transport layer.
collector-fallback-ask-timeout = 120s
# size budget for the payload of issued acknowledgements by a connection target.
issued-max-bytes = 100000
issued-max-bytes = ${?CONNECTIVITY_ACKNOWLEDGEMENT_ISSUED_MAX_BYTES}
}
# how often to attempt acknowledgement label declaration for as long as it is not successful
ack-label-declare-interval = 10s
ack-label-declare-interval = ${?CONNECTIVITY_ACK_LABEL_DECLARE_INTERVAL}
priority-update-interval = 24h
priority-update-interval = ${?CONNECTIVITY_PRIORITY_UPDATE_INTERVAL}
amqp10 {
consumer {
# When to forget an NAcked redelivery=true message -- those may be consumed by another consumer
# Equal to the max time interval per redelivery per message during subscriber downtime
redelivery-expectation-timeout = 120s
redelivery-expectation-timeout = ${?AMQP10_CONSUMER_REDELIVERY_EXPECTATION_TIMEOUT}
throttling {
enabled = false
enabled = ${?AMQP10_CONSUMER_THROTTLING_ENABLED}
enabled = ${?AMQP10_CONSUMER_RATE_LIMIT_ENABLED} # this is an alias which previously was used
# Interval at which the consumer is throttled. Must be > 0s.
interval = 1s
interval = ${?AMQP10_CONSUMER_THROTTLING_INTERVAL}
# The maximum number of messages the consumer is allowed to receive within the configured
# throttling interval e.g. 100 msgs/s. Must be > 0.
limit = 100
limit = ${?AMQP10_CONSUMER_THROTTLING_LIMIT}
# Throttling detection tolerance in percent e.g. for a tolerance of 5% if consumed messages are above
# limit - 5% per interval the source is considered throttled.
throttling-detection-tolerance = 0.05
throttling-detection-tolerance = ${?AMQP_10_CONSUMER_THROTTLING_DETECTION_TOLERANCE}
# How many unacknowledged messages are allowed at any time as factor of ${limit} - must be >= 1.0
# This limit couples latency with throughput (long latency before ack -> lower throughput)
max-in-flight-factor = 2.0
max-in-flight-factor = ${?AMQP10_CONSUMER_THROTTLING_MAX_IN_FLIGHT_FACTOR}
}
}
publisher {
# If a message can't be published it is put in a queue. Further messages are dropped when the queue is full.
max-queue-size = 1000
max-queue-size = ${?AMQP10_PUBLISHER_MAX_QUEUE_SIZE}
# Messages to publish in parallel per AMQP-Publisher (one per connectivity client)
# jms-connection-handling-dispatcher will be used.
parallelism = 10
parallelism = ${?AMQP10_PUBLISHER_PARALLELISM}
}
// How many producers to cache per client actor (in addition to static addresses).
// If 0 or negative, no message can be sent to any reply-to address or addresses containing placeholders that
// do not match any target address.
producer-cache-size = 10
producer-cache-size = ${?AMQP10_PRODUCER_CACHE_SIZE}
global-connect-timeout = 15s
global-connect-timeout = ${?AMQP10_GLOBAL_CONNECT_TIMEOUT}
global-send-timeout = 60s
global-send-timeout = ${?AMQP10_GLOBAL_SEND_TIMEOUT}
global-request-timeout = 5s
global-request-timeout = ${?AMQP10_GLOBAL_REQUEST_TIMEOUT}
global-prefetch-policy-all-count = 10
global-prefetch-policy-all-count = ${?AMQP10_GLOBAL_PREFETCH_POLICY_ALL_COUNT}
# Configuration for backoff of the producers and consumers. This will be used when the creation of a consumer
# or producer fails with an error message of the JMS client (can happen when e.g. user is not authorized
# on a source/target).
# As the actor will instantly try to re-establish the sours/targets, this may lead to a lot of error logs.
# Thats why this backoff configuration is used. On the first error the actor will wait min-timeout before
# retrying to establish the source/target, afterwards it will increase its waiting time step by step until
# max-timeout.
backoff.timeout {
# initial / minimum timeout when backing off
min-timeout = 1s
min-timeout = ${?AMQP10_BACK_OFF_MIN_TIMEOUT}
# maximum backoff timeout
max-timeout = 10m
max-timeout = ${?AMQP10_BACK_OFF_MAX_TIMEOUT}
}
hmac-algorithms {
az-sasl = "org.eclipse.ditto.connectivity.service.messaging.signing.AzSaslSigningFactory"
}
initial-consumer-resource-status-ask-timeout = 500ms
initial-consumer-resource-status-ask-timeout = ${?AMQP10_INITIAL_CONSUMER_RESOURCE_STATUS_ASK_TIMEOUT}
}
amqp091 {
publisher {
# Lifetime of an entry in the cache 'outstandingAcks'.
# It is an upper bound for the timeout of any command requesting acknowledgements from this publisher.
# Ideally between the maximum timeout (60s) and the acknowledgement forwarder lifetime (100s).
# No other publisher actor requires a cache TTL config because their clients take care of message ID tracking.
pending-ack-ttl = 1m
}
}
mqtt {
# maximum mumber of MQTT messages to buffer in a source (presumably for at-least-once and exactly-once delivery)
source-buffer-size = 8
source-buffer-size = ${?CONNECTIVITY_MQTT_SOURCE_BUFFER_SIZE}
# If a message can't be published it is put in a queue. Further messages are dropped when the queue is full.
max-queue-size = 1000
max-queue-size = ${?CONNECTIVITY_MQTT_MAX_QUEUE_SIZE}
# The number of threads to use for the underlying event loop of the MQTT client.
# When configured to "0", the size is determined based on "the available processor cores * 2".
event-loop-threads = 0
event-loop-threads = ${?CONNECTIVITY_MQTT_EVENT_LOOP_THREADS}
## The following configuration settings are used as defaults for "specificConfic" settings of each created MQTT
## connection - if not specified otherwise, those defaults are applied.
# Indicates whether subscriber CONN messages should set clean-session or clean-start flag to true.
clean-session = false
clean-session = ${?CONNECTIVITY_MQTT_CLEAN_SESSION}
# Indicates whether the client should reconnect to enforce a redelivery for a failed acknowledgement.
reconnect-for-redelivery = false
reconnect-for-redelivery = ${?CONNECTIVITY_MQTT_RECONNECT_FOR_REDELIVERY}
# The amount of time that a reconnect will be delayed after a failed acknowledgement
reconnect-for-redelivery-delay = 10s
reconnect-for-redelivery-delay = ${?CONNECTIVITY_MQTT_RECONNECT_FOR_REDELIVERY_DELAY}
# The amount of time that messages should be buffered after disconnect
session-expiry-interval = 60s
session-expiry-interval = ${?CONNECTIVITY_MQTT_SESSION_EXPIRY_INTERVAL}
# Indicates whether a separate client should be used for publishing. This could be useful when
# reconnect-for-redelivery is set to true to avoid that the publisher has downtimes.
separate-publisher-client = false
separate-publisher-client = ${?CONNECTIVITY_MQTT_SEPARATE_PUBLISHER_CLIENT}
reconnect {
# The minimum reconnect timeout for when the MQTT broker closed the MQTT connection.
min-timeout-for-mqtt-broker-initiated-disconnect = 1s
min-timeout-for-mqtt-broker-initiated-disconnect = ${?CONNECTIVITY_MQTT_RECONNECT_MIN_TIMEOUT_FOR_MQTT_BROKER_INITIATED_DISCONNECT}
backoff.timeout {
# the minimum timeout for MQTT client reconnections - "0s" reconnects immediately
min-timeout = 0s
min-timeout = ${?CONNECTIVITY_MQTT_RECONNECT_BACKOFF_TIMEOUT_MIN}
# the maximum timeout, once expontential backoff reached this max, the max is used instead
max-timeout = 1m
max-timeout = ${?CONNECTIVITY_MQTT_RECONNECT_BACKOFF_TIMEOUT_MAX}
}
}
# Configuration properties for MQTT consumer throttling.
throttling {
# Even if MQTT consumer trottling is disabled, the "Max inflight"
# messages will still be determined with `limit` and
# `max-in-flight-factor` configuration values – so increase them if
# you need more "max inflight" processed messages in Ditto.
enabled = false
enabled = ${?MQTT_CONSUMER_THROTTLING_ENABLED}
# Interval at which the consumer is throttled. Must be > 0s.
interval = 1s
interval = ${?MQTT_CONSUMER_THROTTLING_INTERVAL}
# The maximum number of messages the consumer is allowed to receive
# within the configured throttling interval e.g. 100 msgs/s.
# Must be > 0.
limit = 100
limit = ${?MQTT_CONSUMER_THROTTLING_LIMIT}
}
# MQTT 5 only.
# The Client uses this value to limit the number of QoS 1 and QoS 2
# publications that it is willing to process concurrently.
# There is no mechanism to limit the QoS 0 publications that the Server
# might try to send.
# Minimum value is 1, maximum value is 65535; default is the maximum.
# The Receive Maximum of the server cannot be configured by Ditto.
receive-maximum-client = 65535
receive-maximum-client = ${?CONNECTIVITY_MQTT_CLIENT_RECEIVE_MAXIMUM}
}
http-push {
# How many messages to buffer in the publisher actor before dropping them. Each takes up to 100 KB heap space.
max-queue-size = 1000
max-queue-size = ${?CONNECTIVITY_HTTP_PUSH_MAX_QUEUE_SIZE}
request-timeout = 60s
request-timeout = ${?CONNECTIVITY_HTTP_PUSH_REQUEST_TIMEOUT}
# proxy config
proxy {
enabled = false
enabled = ${?CONNECTIVITY_HTTP_PROXY_ENABLED}
hostname = ${?CONNECTIVITY_HTTP_PROXY_HOST}
port = ${?CONNECTIVITY_HTTP_PROXY_PORT}
username = ${?CONNECTIVITY_HTTP_PROXY_USERNAME}
password = ${?CONNECTIVITY_HTTP_PROXY_PASSWORD}
}
hmac-algorithms {
aws4-hmac-sha256 = "org.eclipse.ditto.connectivity.service.messaging.httppush.AwsRequestSigningFactory"
az-monitor-2016-04-01 =
"org.eclipse.ditto.connectivity.service.messaging.httppush.AzMonitorRequestSigningFactory"
az-sasl = "org.eclipse.ditto.connectivity.service.messaging.signing.AzSaslSigningFactory"
}
oauth2 {
token-cache {
# how many tokens to cache
maximum-size = 1
maximum-size = ${?CONNECTIVITY_HTTP_OAUTH2_CACHE_SIZE}
}
# Maximum clock skew of OAuth2 token endpoints. Access tokens are refreshed this long before expiration.
max-clock-skew = 60s
max-clock-skew = ${?CONNECTIVITY_HTTP_OAUTH2_MAX_CLOCK_SKEW}
# Whether to enforce HTTPS for OAuth2 token endpoints. Should be `true` for production environments
# in order not to transmit client secrets in plain text.
enforce-https = true
enforce-https = ${?CONNECTIVITY_HTTP_OAUTH2_ENFORCE_HTTPS}
}
omit-request-body-methods = ["GET", "DELETE"]
omit-request-body-methods = ${?CONNECTIVITY_HTTP_OMIT_REQUEST_BODY_METHODS}
}
kafka {
consumer {
throttling {
# even if Kafka trottling is disabled, the "Max inflight" messages will still be determined with `limit`
# and `max-in-flight-factor` configuration values - so increase them if you need more "max inflight"
# processed messages in Ditto
enabled = false
enabled = ${?KAFKA_CONSUMER_THROTTLING_ENABLED}
# Interval at which the consumer is throttled. Must be > 0s.
interval = 1s
interval = ${?KAFKA_CONSUMER_THROTTLING_INTERVAL}
# The maximum number of messages the consumer is allowed to receive within the configured
# throttling interval e.g. 100 msgs/s. Must be > 0.
limit = 100
limit = ${?KAFKA_CONSUMER_THROTTLING_LIMIT}
# Throttling detection tolerance in percent e.g. for a tolerance of 5% if consumed messages are above
# limit - 5% per interval the source is considered throttled.
throttling-detection-tolerance = 0.05
throttling-detection-tolerance = ${?KAFKA_CONSUMER_THROTTLING_DETECTION_TOLERANCE}
# How many unacknowledged messages are allowed at any time as factor of ${limit} - must be >= 1.0
# This limit couples latency with throughput (long latency before ack -> lower throughput)
max-in-flight-factor = 2.0
max-in-flight-factor = ${?KAFKA_CONSUMER_THROTTLING_MAX_IN_FLIGHT_FACTOR}
}
restart {
exponential-backoff {
min = 100ms
min = ${?KAFKA_CONSUMER_RESTART_BACK_OFF_MIN}
max = 60s
min = ${?KAFKA_CONSUMER_RESTART_BACK_OFF_MAX}
random-factor = 1.0
random-factor = ${?KAFKA_CONSUMER_RESTART_BACK_OFF_RANDOM_FACTOR}
}
}
alpakka = ${akka.kafka.consumer} # resolve defaults from reference.conf
alpakka = {
use-dispatcher = "kafka-consumer-dispatcher"
poll-interval = 50ms
stop-timeout = 0s
connection-checker {
# Flag to turn on connection checker
enable = true
# Amount of attempts to be performed after a first connection failure occurs
# Required, non-negative integer
max-retries = 1
# Interval for the connection check. Used as the base for exponential retry.
check-interval = 5s
# Check interval multiplier for backoff interval
# Required, positive number
backoff-factor = 1.0
}
# Properties defined by org.apache.kafka.clients.consumer.ConsumerConfig
# can be defined in this configuration section.
kafka-clients {
enable.auto.commit = true
fetch.max.wait.ms = 2500
fetch.max.wait.ms = ${?KAFKA_CONSUMER_FETCH_MAX_WAIT_MS}
metadata.max.age.ms = 180000
metadata.max.age.ms = ${?KAFKA_CONNECTION_MAX_IDLE_MS}
connections.max.idle.ms = 180000
connections.max.idle.ms = ${?KAFKA_CONNECTION_MAX_IDLE_MS}
# The timeout used to detect client failures when using Kafka's group management facility.
# The client sends periodic heartbeats to indicate its liveness to the broker.
# If no heartbeats are received by the broker before the expiration of this session timeout,
# then the broker will remove this client from the group and initiate a rebalance.
session.timeout.ms = 10000
session.timeout.ms = ${?KAFKA_SESSION_TIMEOUT_MS}
# The expected time between heartbeats to the consumer coordinator when using Kafka's group management facilities.
# Heartbeats are used to ensure that the consumer's session stays active and to facilitate rebalancing
# when new consumers join or leave the group.
# The value must be set lower than `session.timeout.ms`, but typically should be set no higher
# than 1/3 of that value:
heartbeat.interval.ms = 3000
heartbeat.interval.ms = ${?KAFKA_HEARTBEAT_INTERVAL_MS}
}
}
metric-collecting-interval = 10s
metric-collecting-interval = ${?KAFKA_METRIC_COLLECTING_INTERVAL}
# Timeout before the consumer is initialized and considered "ready".
init-timeout-seconds = 3
init-timeout-seconds = ${?KAFKA_CONSUMER_INIT_TIMEOUT_SECONDS}
}
committer {
alpakka = ${akka.kafka.committer} # resolve defaults from reference.conf
alpakka = {
# Maximum number of messages in a single commit batch
max-batch = 1000
max-batch = ${?KAFKA_COMMITTER_MAX_BATCH}
# Maximum interval between commits
max-interval = 10s
max-interval = ${?KAFKA_COMMITTER_MAX_INTERVAL}
}
}
producer {
# If a message can't be published it is put in a queue. Further messages are dropped when the queue is full.
queue-size = 1000
queue-size = ${?KAFKA_PRODUCER_QUEUE_SIZE}
# Messages to publish in parallel per Kafka-Publisher (one per connectivity client)
parallelism = 10
parallelism = ${?KAFKA_PRODUCER_PARALLELISM}
# Minimum duration before restarting the Kafka-Publisher stream
min-backoff = 1s
min-backoff = ${?KAFKA_PRODUCER_MIN_BACKOFF}
# Maximum duration before restarting the Kafka-Publisher stream
max-backoff = 10s
max-backoff = ${?KAFKA_PRODUCER_MAX_BACKOFF}
# Random factor to vary the restart backoff
random-factor = 0.2
random-factor = ${?KAFKA_PRODUCER_RANDOM_FACTOR}
# Maximum restarts within duration before failing the Kafka-Publisher stream
max-restarts-count = 3
max-restarts-count = ${?KAFKA_PRODUCER_MAX_RESTARTS_COUNT}
max-restarts-within = 90s
max-restarts-within = ${?KAFKA_PRODUCER_MAX_RESTARTS_WITHIN}
# Timeout before the producer is initialized and considered "ready".
init-timeout-seconds = 3
init-timeout-seconds = ${?KAFKA_PRODUCER_INIT_TIMEOUT_SECONDS}
alpakka = ${akka.kafka.producer} # resolve defaults from reference.conf
alpakka {
use-dispatcher = "kafka-producer-dispatcher"
# Properties defined by org.apache.kafka.clients.producer.ProducerConfig
# can be defined in this configuration section.
kafka-clients {
# Close idle connections after the number of milliseconds specified by this config.
# When a message should be produced after a connection was closed because of this timeout, the client
# simply opens the connection again, so for producers there is no need to increase this value:
connections.max.idle.ms = 180000
connections.max.idle.ms = ${?KAFKA_CONNECTION_MAX_IDLE_MS}
metadata.max.age.ms = 180000
metadata.max.age.ms = ${?KAFKA_CONNECTION_MAX_IDLE_MS}
# The maximum amount of time in milliseconds to wait when reconnecting to a broker that has repeatedly failed to connect.
# If provided, the backoff per host will increase exponentially for each consecutive connection failure, up to this maximum.
reconnect.backoff.max.ms = 10000 # default: 1000
# The base amount of time to wait before attempting to reconnect to a given host.
# This avoids repeatedly connecting to a host in a tight loop.
reconnect.backoff.ms = 500 # default: 50
# Request acknowledgement
acks = "1"
# Disable automatic retry
retries = 0
# Max wait before 1 send attempt fails
request.timeout.ms = 10000 # default: 40000
# Max wait before send fails
delivery.timeout.ms = 10000 # default: 120000
# Max wait for downed broker before connection fails
max.block.ms = 10000 # default: 60000
}
}
}
}
cleanup {
enabled = true
enabled = ${?CLEANUP_ENABLED}
quiet-period = 5m
quiet-period = ${?CLEANUP_QUIET_PERIOD}
interval = 60s
interval = ${?CLEANUP_INTERVAL}
timer-threshold = 150ms
timer-threshold = ${?CLEANUP_TIMER_THRESHOLD}
credits-per-batch = 1
credits-per-batch = ${?CLEANUP_CREDITS_PER_BATCH}
reads-per-query = 100
reads-per-query = ${?CLEANUP_READS_PER_QUERY}
writes-per-credit = 100
writes-per-credit = ${?CLEANUP_WRITES_PER_CREDIT}
delete-final-deleted-snapshot = false
delete-final-deleted-snapshot = ${?CLEANUP_DELETE_FINAL_DELETED_SNAPSHOT}
}
}
mapping {
# the buffer size used for the queue in the message mapping processor actor
buffer-size = 500
buffer-size = ${?CONNECTIVITY_SIGNAL_ENRICHMENT_BUFFER_SIZE}
# parallelism to use for signal enriching a single message in the message mapping processor actor
# when configured too low, throughput of signal enrichment will be low
parallelism = 100
parallelism = ${?CONNECTIVITY_SIGNAL_ENRICHMENT_PARALLELISM}
# maximum parallelism for mapping incoming and outgoing messages for a connection. This setting limits the
# poolSize that users can configure on their connections.
max-pool-size = 5
max-pool-size = ${?CONNECTIVITY_MESSAGE_MAPPING_MAX_POOL_SIZE}
# Whether messages with failed enrichments should be published.
publish-failed-enrichments = false
publish-failed-enrichments = ${?CONNECTIVITY_MESSAGE_MAPPING_PUBLISH_FAILED_ENRICHMENTS}
javascript {
# the maximum script size in bytes of a mapping script to run
# prevents loading big JS dependencies into the script (e.g. jQuery which has ~250kB)
maxScriptSizeBytes = 50000 # 50kB
maxScriptSizeBytes = ${?CONNECTIVITY_MESSAGE_MAPPING_JS_MAX_SCRIPT_SIZE_BYTES}
# the maximum execution time of a mapping script to run
# prevents endless loops and too complex scripts
maxScriptExecutionTime = 500ms
maxScriptExecutionTime = ${?CONNECTIVITY_MESSAGE_MAPPING_JS_MAX_EXECUTION_TIME}
# the maximum call stack depth in the mapping script
# prevents recursions or other too complex computation
maxScriptStackDepth = 25
maxScriptStackDepth = ${?CONNECTIVITY_MESSAGE_MAPPING_JS_MAX_STACK_DEPTH}
# Whether to allow using 'print', 'exit', 'quit' in JavaScript executions, only intended for debugging purposes
allowUnsafeStandardObjects = false
allowUnsafeStandardObjects = ${?CONNECTIVITY_MESSAGE_MAPPING_JS_ALLOW_UNSAFE_STANDARD_OBJECTS}
# The filesystem path where to load CommonJS modules from, by default empty indicating to not load any CommonJS modules
commonJsModulePath = ""
commonJsModulePath = ${?CONNECTIVITY_MESSAGE_MAPPING_JS_COMMON_JS_MODULE_PATH}
}
mapper-limits {
# maximum number of mappers defined in one source
max-source-mappers = 10
# maximum number of messages invoked by a mapper
# defined in source
max-mapped-inbound-messages = 10
# maximum number of mappers defined in one source
max-target-mappers = 10
# maximum number of messages invoked by a mapper
# defined in target
max-mapped-outbound-messages = 10
}
}
persistence-ping {
# journal tag to query to find our which connectionPersistenceActors to ping (reconnect)
journal-tag = ""
journal-tag = ${?RECONNECT_JOURNAL_TAG}
# initial delay for pinging / reconnecting the connections after the PersistencePingActor has been started.
# have a little delay so that connection actors restored with "remember-entities" are not tried to be restored twice
initial-delay = 5s
initial-delay = ${?RECONNECT_INITIAL_DELAY}
# interval for trying to reconnect all started connections.
interval = 10m
interval = ${?RECONNECT_INTERVAL}
# how many events to read in one query
read-journal-batch-size = 500
read-journal-batch-size = ${?RECONNECT_READ_JOURNAL_BATCH_SIZE}
# one of:
# TAGS Elements will be ordered by their tags.
# ID Elements will be ordered by their document ID.
streaming-order = TAGS
streaming-order = ${?PERSISTENCE_PING_STREAMING_ORDER}
# used to throttle pinging of connections, so that not all connections are recovered at the same time
rate {
frequency = 1s
frequency = ${?RECONNECT_RATE_FREQUENCY}
entities = 1
entities = ${?RECONNECT_RATE_ENTITIES}
}
}
connection-ids-retrieval {
# how many events to read in one query
read-journal-batch-size = 500
read-journal-batch-size = ${?CONNECTION_IDS_RETRIEVAL_READ_JOURNAL_BATCH_SIZE}
# how many snapshots to read in one query
read-snapshot-batch-size = 50
read-snapshot-batch-size = ${?CONNECTION_IDS_RETRIEVAL_READ_SNAPSHOT_BATCH_SIZE}
}
client {
# Initial timeout after the init process is triggered.
init-timeout = 5s
init-timeout = ${?CONNECTIVITY_CLIENT_INIT_TIMEOUT}
# Initial timeout when connecting to a remote system. If the connection could not be established after this time,
# the service will try to reconnect. If a failure happened during connecting, then the service will wait
# for at least this time until it will try to reconnect. The max timeout is defined in connecting-max-timeout.
# this timeout needs to be smaller than ditto.connectivity.connection.client-actor-ask-timeout in connectivity.conf
connecting-min-timeout = 50s
connecting-min-timeout = ${?CONNECTIVITY_CLIENT_CONNECTING_MIN_TIMEOUT}
# Max timeout (until reconnecting) when connecting to a remote system.
# Should be greater than connecting-min-timeout.
connecting-max-timeout = 60m
connecting-max-timeout = ${?CONNECTIVITY_CLIENT_CONNECTING_MAX_TIMEOUT}
# How many times we will try to reconnect when connecting to a remote system.
# max time ~= connecting-max-tries * connecting-max-timeout = 50 * 60m = 50h
connecting-max-tries = 50
connecting-max-tries = ${?CONNECTIVITY_CLIENT_CONNECTING_MAX_TRIES}
# Max timeout when actually disconnecting until we're assuming disconnecting failed. The timeout will start
# after a disconnect announcment was sent (see disconnect-announcement-timeout) and disconnecting is actually
# triggered. Thus, the total amount of timeout that might elapse between closing a connection and running into
# the timeout, is: disconnect-announcement-timeout + disconnecting-max-timeout.
disconnecting-max-timeout = 5s
disconnecting-max-timeout = ${?CONNECTIVITY_CLIENT_DISCONNECTING_MAX_TIMEOUT}
# Time that will be waited between sending a disconnect announcement and actually disconnecting.
# When closing a connection, a disconnect announcement (special topic for connection targets) will be sent to
# the client. The connection will wait for disconnect-announcement-timeout before actually disconnecting
# the client.
disconnect-announcement-timeout = 3s
disconnect-announcement-timeout = ${?CONNECTIVITY_CLIENT_DISCONNECT_ANNOUNCEMENT_TIMEOUT}
# Max timeout until waiting for search commands.
subscription-manager-timeout = 60s
subscription-manager-timeout = ${?CONNECTIVITY_CLIENT_SUBSCRIPTION_MANAGER_TIMEOUT}
# how long the service will wait for a successful connection when testing a new connection. If no response is
# received after this duration, the test will be assumed a failure.
testing-timeout = 10s
testing-timeout = ${?CONNECTIVITY_CLIENT_TESTING_TIMEOUT}
# Min backoff after connection failure.
min-backoff = 5s
min-backoff = ${?CONNECTIVITY_CLIENT_MIN_BACKOFF}
# Max backoff after connection failure.
max-backoff = 60m
max-backoff = ${?CONNECTIVITY_CLIENT_MAX_BACKOFF}
# How often to refresh the cache of other client actors if client count > 1
client-actor-refs-notification-delay = 5m
# How often to refresh Ditto pubsub subscriptions
subscription-refresh-delay = 5m
subscription-refresh-delay = ${?CONNECTIVITY_CLIENT_SUBSCRIPTION_REFRESH_INTERVAL}
}
monitoring {
logger {
successCapacity = 10
successCapacity = ${?CONNECTIVITY_LOGGER_SUCCESS_CAPACITY}
failureCapacity = 10
failureCapacity = ${?CONNECTIVITY_LOGGER_FAILURE_CAPACITY}
maxLogSizeBytes = 250000
maxLogSizeBytes = ${?CONNECTIVITY_LOGGER_MAX_LOG_SIZE_BYTES}
logDuration = 1h
logDuration = ${?CONNECTIVITY_LOGGER_LOG_DURATION}
loggingActiveCheckInterval = 5m
loggingActiveCheckInterval = ${?CONNECTIVITY_LOGGER_ACTIVE_CHECK_INTERVAL}
# configuration for FluentPublishingConnectionLogger used to publish connection logs to a fluentd/fluentbit endpoint
publisher {
enabled = false
enabled = ${?CONNECTIVITY_LOGGER_PUBLISHER_ENABLED}
# the log levels to use for logging in the publisher as comma separated list
# supported: "failure" "success"
logLevels = "success,failure"
logLevels = ${?CONNECTIVITY_LOGGER_PUBLISHER_LOG_LEVELS}
# whether to log headers and payload for publisher logs:
logHeadersAndPayload = false
logHeadersAndPayload = ${?CONNECTIVITY_LOGGER_PUBLISHER_LOG_HEADERS_AND_PAYLOAD}
# a specific log-tag to use for the published logs. If null, a default log-tag will be used: "connection:<connection-id>"
log-tag = null
log-tag = ${?CONNECTIVITY_LOGGER_PUBLISHER_LOG_TAG}
# add key/value pairs to this section in order to have them added to published logs
additional-log-context {
# by default empty
}
# fluency is the library used to publish connection logs to a fluentd/fluentbit endpoint
fluency {
## NetworkSender.Config
host = "localhost"
host = ${?CONNECTIVITY_LOGGER_PUBLISHER_FLUENCY_HOST}
port = 24224
port = ${?CONNECTIVITY_LOGGER_PUBLISHER_FLUENCY_PORT}
sslEnabled = false # library default: false
sslEnabled = ${?CONNECTIVITY_LOGGER_PUBLISHER_FLUENCY_SSL_ENABLED}
# Socket connection timeout:
connectionTimeout = 5s # library default: 5s, min: 10ms
connectionTimeout = ${?CONNECTIVITY_LOGGER_PUBLISHER_FLUENCY_CONNECTION_TIMEOUT}
# Socket read timeout:
readTimeout = 5s # library default: 5s, min: 10ms
readTimeout = ${?CONNECTIVITY_LOGGER_PUBLISHER_FLUENCY_READ_TIMEOUT}
## Flusher.Config
# how often to check if a flush was requested from "outside", e.g. by closing the flusher
# and send logs to the endpoint if that was the case:
flushAttemptInterval = 600ms # library default: 600ms, min: 20ms, max: 2000ms
# when closing flusher, wait that long until forcefully stopping flusher:
waitUntilBufferFlushed = 60s # library default: 60s, min: 1s
# when closing flusher, wait that long for resoruces until forcefully stopping:
waitUntilTerminated = 60s # library default: 60s, min: 1s
## Buffer.Config
# the maximum possible log entries total size to buffer in memory:
maxBufferSize = 67108864 # 64 * 1024 * 1024 - library default: 512 * 1024 * 1024 = 512MiB
# the initial chunk size, that much memory is allocated at least per instance:
bufferChunkInitialSize = 1048576 # library default: 1024 * 1024 = 1MiB
# after the buffer reached this size, perform a flush, sending logs to the endpoint:
bufferChunkRetentionSize = 4194304 # library default: 4 * 1024 * 1024 = 4MiB
# after the oldest buffered entry is this old, perform a flush, sending logs to the endpoint:
bufferChunkRetentionTime = 1s # library default: 1s
# Use JVM heap memory for buffer pool, if `false`, memory is allocated via `ByteBuffer.allocateDirect`
jvmHeapBufferMode = false # library default: false
# for file backup mode:
# "In this mode, Fluency takes backup of unsent memory buffers as files when closing and then resends them when restarting"
fileBackupDir = null # library default: null
## ExponentialBackOffRetryStrategy.Config
senderMaxRetryCount = 7 # min: 0 (meaning retries off)
## RetryStrategy.Config
# retry base interval:
senderBaseRetryInterval = 400ms # min: 10ms library default: 400ms
# retry max interval:
senderMaxRetryInterval = 30s # min: 10ms library default: 30s
## FluentdIngester.Config
# whether ACK response mode is enabled, meaning that it is waited for the ACK of the fluentd/fluentbit
# instance where the logs are published to. Enables "at-least-once" semantics:
ackResponseMode = false # library default: false
# The duration of how long to wait after closing the Fluency buffer.
# If this is Zero or a negative duration, no waiting for the buffer will be performed:
waitUntilAllBufferFlushedDurationOnClose = 5s
waitUntilAllBufferFlushedDurationOnClose = ${?CONNECTIVITY_LOGGER_PUBLISHER_FLUENCY_WAIT_UNTIL_ALL_BUFFER_FLUSHED_DURATION_ON_CLOSE}
}
}
}
counter {}
}
default-config-provider = true
default-config-provider = ${?CONNECTIVITY_DEFAULT_CONFIG_PROVIDER}
tunnel {
# 0 workers mean the sshd client defaults which are: `Runtime.getRuntime().availableProcessors() + 1`
workers = 0
heartbeat-interval = 30s
# by default, keep the tunnel open forever:
idle-timeout = 0s
socket-keepalive = true
}
}
}
akka {
http {
client {
user-agent-header = eclipse-ditto/${ditto.version}
# Setting this to less than Inf may generate occasional failures for not very active HTTP-PUSH connections.
idle-timeout = Inf
idle-timeout = ${?AKKA_HTTP_CLIENT_IDLE_TIMEOUT}
parsing {
max-uri-length = 8k # default: 2k
max-header-value-length = 16k # default: 8k
}
}
# The connection-pools used for http-push connections
host-connection-pool {
# This timeout configures a maximum amount of time, while the connection can be kept open.
# Helps the process of rebalancing between service instances when reaching the target through a load-balancer
max-connection-lifetime = Inf
max-connection-lifetime = ${?AKKA_HTTP_HOSTPOOL_MAX_CONNECTION_LIFETIME}
}
}
cluster {
sharding {
role = ${ditto.service-name}
# When this is set to 'on' the active entity actors will automatically be restarted
# upon Shard restart. i.e. if the Shard is started on a different ShardRegion
# due to rebalance or crash.
remember-entities = on
remember-entities = ${?AKKA_CLUSTER_SHARDING_REMEMBER_ENTITIES}
# When 'remember-entities' is enabled and the state store mode is ddata this controls
# how the remembered entities and shards are stored. Possible values are "eventsourced" and "ddata"
# Default is ddata for backwards compatibility.
remember-entities-store = "eventsourced"
remember-entities-store = ${?AKKA_CLUSTER_SHARDING_REMEMBER_ENTITIES_STORE}
# The shard saves persistent snapshots after this number of persistent events.
# Snapshots are used to reduce recovery times.
snapshot-after = 200 # default: 1000
snapshot-after = ${?AKKA_CLUSTER_SHARDING_SNAPSHOT_AFTER}
journal-plugin-id = "akka-contrib-mongodb-persistence-connection-remember-journal"