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{
"credentials_map": { // This is the service account JSON object
"type": "service_account",
"project_id": "myprojectid",
"private_key_id": "blahblahblah",
"private_key": "<priv_key>",
"client_email": "a@a.com",
"client_id": "9126871624161341",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://oauth2.googleapis.com/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/dahjkdhajkd%40dajsdgajdadsad.iam.gserviceaccount.com"
},
"project_id": "myprojectid",
"topics": [ // This is to send data to Google Pub/Sub
{"path": "iotdemo"}, // Non IoT Core topic
{"path": "/devices/+/events", "type": 1, "target": "performance-testing"}, // IoT Core topic
{"path": "/devices/+/events/sub", "type": 1, "target": "performance-testing-sub", "sub_folder": "sub"}, // iot core topic
{"path": "/devices/+/state", "type": 2, "target": "performance-testing-state"} // IoT Core topic
],
"forwarders": { // This is to receive Google Pub/Sub messages
"ack_strategy": 0,
"poll_rate": 5000,
"max_messages_per_poll": 2,
"subscriptions": [
{
"mqtt_topic": "pubsub",
"pubsub_subscription": "test-sub"
}
]
},
} |
path is the topic the Pub/Sub client will subscribe to internally to the ClearBlade broker. type is the topic type. No type represents a non-IoT Core topic. 1 is for event and 2 is for state. target is the topic the Pub/Sub client will publish to in Pub/Sub. sub_folder is for the event's topic if it has a subfolder.
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ack_strategy: 0 = ack immediately, 1 = never ack. for For now, 0 should always be used.
poll_rate: time Time (ms) between sending message batches to the broker. zero 0 will send messages immediately.
max_messages_per_poll: max Max number of messages to send in a single batch to the broker. implicit Implicit minimum value of 1.
Messages are received by ClearBlade as soon as possible from Google. ClearBlade will buffer them up internally and send them in batches as defined above.