ElasticSearch

This check will try to connect to a specified ElasticSearch database, run a query against it and verify the results.

Opensearch

To connect to Opensearch use opensearch field instead of elasticsearch

apiVersion: canaries.flanksource.com/v1
kind: Canary
metadata:
  name: elasticsearch-check
spec:
  interval: 30
  elasticsearch:
    - url: http://elasticsearch.default.svc:9200
      description: Elasticsearch checker
      index: index
      query: |
        {
        "query": {
            "term": {
            "system.role": "api"
            }
        }
        }

      results: 1
      name: elasticsearch_pass
      username:
          valueFrom:
            secretKeyRef:
              name: elasticsearch-credentials
              key: USERNAME
      password:
          valueFrom:
            secretKeyRef:
              name: elasticsearch-credentials
              key: PASSWORD

Field	Description	Scheme	Required
index	Index against which query should be ran	string	Yes
query	Query that needs to be executed on the server	string	Yes
results	Number of expected hits	int	Yes
name	Name of the check, must be unique within the canary	string	Yes
description	Description for the check	string
icon	Icon for overwriting default icon on the dashboard	string
labels	Labels for check	map[string]string
test	Evaluate whether a check is healthy	Expression
display	Expression to change the formatting of the display	Expression
transform	Transform data from a check into multiple individual checks	Expression
metrics	Metrics to export from	[]Metrics
Connection
connection	Path of existing connection e.g. connection://elastic/instance Mutually exclusive with username and password	Connection
url	URL of elastichsearch server	string	Yes
username		EnvVar
password		EnvVar