Google Cloud PubSub source plugin

Google Cloud PubSub is a fully managed messaging service provided by Google Cloud Platform that enables the exchange of messages between applications and services. It is designed to provide a scalable and flexible messaging solution for modern cloud-based architectures. One of the key benefits of PubSub is its scalability and flexibility. It can handle millions of messages per second and can scale up or down automatically based on the volume of messages being processed, making it an ideal candidate for your telemetry data.

You can use the Google Cloud PubSub source plugin to configure your Calyptia Core pipeline to collect data from your Google Cloud PubSub instances.

Configuration parameters

The Google Cloud PubSub source plugin provides these configuration parameters.


PortTCP port used for listening for incoming messages.


Tag KeySpecify the key name to overwrite a tag. If set, the tag will be overwritten by a value of the key.
Buffer Max SizeSpecify the maximum buffer size in KB to receive a JSON message.
Buffer Chunk SizeSets the chunk size for incoming JSON messages. These chunks are then stored/managed in the space available by buffer_max_size.
Successful Response CodeLets you set successful response codes. Supported values: 200, 201, 204.

Security and TLS

TLSEnable or disable TLS/SSL support.
TLS Certificate ValidationTurn TLS/SSL certificate validation on or off. TLS must be on for this setting to be enabled.
TLS Debug LevelSet TLS debug verbosity level. Accepts these values: 0 (No debug), 1 (Error), 2 (State change), 3 (Informational), 4 (Verbose).
CA Certificate File PathAbsolute path to CA certificate file.
Certificate File PathAbsolute path to certificate file.
Private key File PathAbsolute path to private key file.
Private Key Path PasswordOptional password for tls.key_file file.
TLS SNI Hostname ExtensionHostname to be used for TLS SNI extension.