Docs Cloud Redpanda Connect Components Inputs mqtt mqtt Type: InputOutput Available in: Cloud, Self-Managed Subscribe to topics on MQTT brokers. Common Advanced # Common config fields, showing default values input: label: "" mqtt: urls: [] # No default (required) client_id: "" connect_timeout: 30s topics: [] # No default (required) auto_replay_nacks: true # All config fields, showing default values input: label: "" mqtt: urls: [] # No default (required) client_id: "" dynamic_client_id_suffix: "" # No default (optional) connect_timeout: 30s will: enabled: false qos: 0 retained: false topic: "" payload: "" user: "" password: "" keepalive: 30 tls: enabled: false skip_cert_verify: false enable_renegotiation: false root_cas: "" root_cas_file: "" client_certs: [] topics: [] # No default (required) qos: 1 clean_session: true auto_replay_nacks: true Metadata This input adds the following metadata fields to each message: mqtt_duplicate mqtt_qos mqtt_retained mqtt_topic mqtt_message_id You can access these metadata fields using function interpolation. Fields urls A list of URLs to connect to. Use the format scheme://host:port, where: scheme is one of the following: tcp, ssl, ws host is the IP address or hostname port is the port on which the MQTT broker accepts connections If an item in the list contains commas, it is expanded into multiple URLs. Type: array # Examples urls: - tcp://localhost:1883 client_id An identifier for the client connection. Type: string Default: "" dynamic_client_id_suffix Append a dynamically generated suffix to the specified client_id on each run of the pipeline. This can be useful when clustering Redpanda Connect producers. Type: string Option Summary nanoid append a nanoid of length 21 characters connect_timeout The maximum amount of time to wait in order to establish a connection before the attempt is abandoned. Type: string Default: 30s # Examples connect_timeout: 1s connect_timeout: 500ms will Set last will message in case of Redpanda Connect failure Type: object will.enabled Whether to enable last will messages. Type: bool Default: false will.qos Set QoS for last will message. Valid values are: 0, 1, 2. Type: int Default: 0 will.retained Set retained for last will message. Type: bool Default: false will.topic Set topic for last will message. Type: string Default: "" will.payload Set payload for last will message. Type: string Default: "" user A username to connect with. Type: string Default: "" password A password to connect with. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" keepalive Max seconds of inactivity before a keepalive message is sent. Type: int Default: 30 tls Custom TLS settings can be used to override system defaults. Type: object tls.enabled Whether custom TLS settings are enabled. Type: bool Default: false tls.skip_cert_verify Whether to skip server side certificate verification. Type: bool Default: false tls.enable_renegotiation Whether to allow the remote server to repeatedly request renegotiation. Enable this option if you’re seeing the error message local error: tls: no renegotiation. Type: bool Default: false tls.root_cas An optional root certificate authority to use. This is a string, representing a certificate chain from the parent trusted root certificate, to possible intermediate signing certificates, to the host certificate. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" # Examples root_cas: |- -----BEGIN CERTIFICATE----- ... -----END CERTIFICATE----- tls.root_cas_file An optional path of a root certificate authority file to use. This is a file, often with a .pem extension, containing a certificate chain from the parent trusted root certificate, to possible intermediate signing certificates, to the host certificate. Type: string Default: "" # Examples root_cas_file: ./root_cas.pem tls.client_certs A list of client certificates to use. For each certificate either the fields cert and key, or cert_file and key_file should be specified, but not both. Type: array Default: [] # Examples client_certs: - cert: foo key: bar client_certs: - cert_file: ./example.pem key_file: ./example.key tls.client_certs[].cert A plain text certificate to use. Type: string Default: "" tls.client_certs[].key A plain text certificate key to use. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" tls.client_certs[].cert_file The path of a certificate to use. Type: string Default: "" tls.client_certs[].key_file The path of a certificate key to use. Type: string Default: "" tls.client_certs[].password A plain text password for when the private key is password encrypted in PKCS#1 or PKCS#8 format. The obsolete pbeWithMD5AndDES-CBC algorithm is not supported for the PKCS#8 format. Because the obsolete pbeWithMD5AndDES-CBC algorithm does not authenticate the ciphertext, it is vulnerable to padding oracle attacks that can let an attacker recover the plaintext. This field contains sensitive information that usually shouldn’t be added to a configuration directly. For more information, see Manage Secrets before adding it to your configuration. Type: string Default: "" # Examples password: foo password: ${KEY_PASSWORD} topics A list of topics to consume from. Type: array qos The level of delivery guarantee to enforce. Has options 0, 1, 2. Type: int Default: 1 clean_session Set whether the connection is non-persistent. Type: bool Default: true auto_replay_nacks Whether messages that are rejected (nacked) at the output level should be automatically replayed indefinitely, eventually resulting in back pressure if the cause of the rejections is persistent. If set to false these messages will instead be deleted. Disabling auto replays can greatly improve memory efficiency of high throughput streams as the original shape of the data can be discarded immediately upon consumption and mutation. Type: bool Default: true Back to top × Simple online edits For simple changes, such as fixing a typo, you can edit the content directly on GitHub. Edit on GitHub Or, open an issue to let us know about something that you want us to change. Open an issue Contribution guide For extensive content updates, or if you prefer to work locally, read our contribution guide . Was this helpful? thumb_up thumb_down group Ask in the community mail Share your feedback group_add Make a contribution kafka_franz nats