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On this page
  • Overview
  • JSON property: "health"
  • Send health to SUSE Observability
  1. Health
  2. Send health data over HTTP

Repeat Snapshots JSON

SUSE Observability

PreviousSend health dataNextTransactional Increments JSON

Last updated 7 months ago

Overview

This page describes the exact JSON messages that can be sent for the health synchronization Repeat Snapshots consistency model.

JSON property: "health"

Health can be sent to the SUSE Observability Receiver API using the "health" property of the .

{
   "apiKey":"<STACKSTATE_RECEIVER_API_KEY>",
   "collection_timestamp":1585818978,
   "internalHostname":"lnx-343242.srv.stackstate.com",
   "health":[
      {
        "consistency_model": "REPEAT_SNAPSHOTS",
        "start_snapshot": {
          "repeat_interval_s": 50
          //"expiry_interval_s": 200 Optional
        },
        "stop_snapshot": {},
        "stream": {
          "urn": "urn:health:sourceId:streamId"
          //"sub_stream_id": "subStreamId" Optional
        },
        "check_states": [
          {
            "checkStateId": "checkStateId1",
            "message": "Server Running out of disk space",
            "health": "Deviating",
            "topologyElementIdentifier": "server-1",
            "name": "Disk Usage"
          },
          {
            "checkStateId": "checkStateId2",
            "message": "Provisioning failed. [Learn more](https://www.any-link.com)",
            "health": "critical",
            "topologyElementIdentifier": "server-2",
            "name": "Health monitor"
          }
        ]
      }
   ]
}

Every health Repeat Snapshots data payload has the following details:

  • start_snapshot - Optional. A start of a snapshot needs to be processed before processing check_states. This enables SUSE Observability to diff a stream snapshot with the previously received one and delete check states that are no longer present in the snapshot. It carries the following fields as snapshot metadata:

    • repeat_interval_s - Time in seconds. The frequency with which the external source will send health data to SUSE Observability. Max allowed value is 1800 (30 minutes).

    • expiry_interval_s - Time in seconds. The time to wait after the last update before an external check is deleted by SUSE Observability. Required when using sub streams.

  • stop_snapshot - Optional. An end of a snapshot will be processed after processing thecheck_states.

  • stream - Object providing identification regarding which snapshots and check_states belong together. It has the following fields:

    • sub_stream_id - Optional. Identifier for a subset of the stream health data. When the stream data is distributed and reported by several Agents, this allows snapshot lifecycles per sub_stream_id

  • check_states - A list of check states. Each check state can have the following fields:

    • checkStateId - Identifier for the check state in the external system

    • message - Optional. Message to display in SUSE Observability UI. Data will be interpreted as markdown allowing to have links to the external system check that generated the external check state.

    • health - One of the following SUSE Observability Health state values: Clear, Deviating, Critical.

    • topologyElementIdentifier - Used to bind the check state to a SUSE Observability topology element.

    • name - Name of the external check state.

Send health to SUSE Observability

Health can be sent in one JSON message via HTTP POST. In the example below, a snapshot containing two check states is sent to SUSE Observability from a single external monitoring system.

curl -X POST \
 '<STACKSTATE_RECEIVER_API_ADDRESS>' \
 -H 'Content-Type: application/json' \
 -d '{
  "collection_timestamp": 1548857167,
  "internalHostname": "local.test",
  "health": [
    {
      "consistency_model": "REPEAT_SNAPSHOTS",
      "start_snapshot": {
        "repeat_interval_s": 300
      },
      "stop_snapshot": {},
      "stream": {
        "urn": "urn:health:sourceId:streamId"
      },
      "check_states": [
        {
          "checkStateId": "checkStateId1",
          "message": "Server Running out of disk space",
          "health": "Deviating",
          "topologyElementIdentifier": "server-1",
          "name": "Disk Usage"
        },
        {
          "checkStateId": "checkStateId2",
          "message": "Provisioning failed. [Learn more](https://www.any-link.com)",
          "health": "critical",
          "topologyElementIdentifier": "server-2",
          "name": "Health monitor"
        }
      ]
    }
  ]
}'

urn - Data source and stream ID encoded as a SUSE Observability that matches the following convention: urn:health:<sourceId>:<streamId> where <sourceId> is the name if the external data source and <streamId> is a unique identifier for the health data stream.

📖
URN
common JSON object