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The Google Cloud Injector module provides the ability to push Tag data to a Cloud IoT Core.  The settings configuration for this module are located under the Configure tab of the Ignition Gateway web UI.                                                                      

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Once in the configuration section there are four tabs: General, Cloud IoT Core, Sets, and Tag Agents.  Each of these tabs is described in detail in the following sections.

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The Sets tab contains a list of Google Cloud Sets.  Each set represents a grouping of Cloud IoT Core endpoints.  When a set is referenced by a Tag Agent the Agent will push Tag data to all Cloud IoT Core endpoints contained within that Set. The Sets are disjoint, meaning that a single Cloud IoT Core endpoint cannot be in more than one set.  Out of the box the Google Cloud Injector module will have one "Default" set defined.

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Additional Sets can be configured for situations where multiple Tag Agents will need to push to different Cloud IoT Core endpoints. The configuration options for Sets are listed below.

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• Name
  • This is the friendly name of the set used to easily identify it.
• Description
  
  • This is a friendly description of the set.
• Push Policy
  • This defines which endpoints to push to. If PUSH_TO_ALL is selected, every endpoint that is part of this set will receive all messages. If PUSH_TO_ANY is selected, only one of the endpoints that is part of this set will receive any given message. PUSH_TO_ANY is useful when adding endpoint configurations to increase the throughput of the Injector.

Clicking on the 'Create new Google Cloud Set...' link will bring up the following form to add a new Set.

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Tag Agents

Tag Agents are the workers within Google Cloud Injector that monitor tag events, convert them to a JSON representation, and push them to one or more Cloud IoT Core endpoints. Out of the box the Google Cloud Injector module will have one "default" Tag Agent defined.

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Clicking on the 'Create new Tag Agent Settings..' link will bring up the following form to add a new Tag Agent.

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