Configuration file

Here's an example configuration file for a service that uses the msg_signer and cosign_signer components. This file is structured in YAML format.

msg_signer:
  messaging_brokers:
    - amqps://<your-broker>:5671
  messaging_cert_key: <path-to-ssl-certificate-and-key> 
  messaging_ca_cert: <path-to-ca-certificate>
  topic_send_to: topic://<topic-where-you-want-to-send-signing-requests>
  topic_listen_to: queue://<topic-where-signing-server-sends-signed-requests> (see section bellow)
  environment: <>your-environment-id>
  service: <id-of-service-which-sends-signing-request> 
  timeout: <integer-timeout-for-receiving-message>
  retries: <integer-number-of-retries-for-receiving-messages>
  send_retries: <integer-number-of-retries-for-sending-messages>
  message_id_key: <attribute-in-signed-request-which-identifies-the-request>
  log_level: <log-level>
  key_aliases:
    <alias>: <real-signing-key>
msg_batch_signer:
  messaging_brokers:
    - amqps://<your-broker>:5671
  messaging_cert_key: <path-to-ssl-certificate-and-key> 
  messaging_ca_cert: <path-to-ca-certificate>
  topic_send_to: topic://<topic-where-you-want-to-send-signing-requests>
  topic_listen_to: queue://<topic-where-signing-server-sends-signed-requests> (see section bellow)
  environment: <>your-environment-id>
  service: <id-of-service-which-sends-signing-request> 
  timeout: <integer-timeout-for-receiving-message>
  retries: <integer-number-of-retries-for-receiving-messages>
  send_retries: <integer-number-of-retries-for-sending-messages>
  message_id_key: <attribute-in-signed-request-which-identifies-the-request>
  log_level: <log-level>
  key_aliases:
    <alias>: <real-signing-key>
  chunk_size: 200
cosign_signer:
  rekor_url: <rekor-url>
  upload_tlog: <upload-tlog> 
  registry_user: <docker-registry-user-where-signatures-will-be-stored>
  registry_password: <docker-registry-password> 
  log_level: <log-level>
  env_variables:
    <ENV>: <value>
    # any additional environment variables you want to set for cosign
  key_aliases:
    <alias>: <real-signing-key>

Configuration details

• Messaging signer topic_listen_to attribute also supports templating attributes {creator} and {task_id}. Creator is UID or CN fetched from the client ceritificate or provided on the input by user. Task id is any user provided string which servers to identify the message.

To read more about signer you can check the Messaging Signer and Cosign signer documentation.