Postgres

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

apiVersion: canaries.flanksource.com/v1
kind: Canary
metadata:
  name: postgres-check
spec:
  interval: 30
  postgres:
    - name: postgres schemas check
      connection: "postgres://$(username):$(password)@postgres.default.svc:5432/postgres?sslmode=disable"
      auth:
        username:
          valueFrom:
            secretKeyRef:
              name: postgres-credentials
              key: USERNAME
        password:
          valueFrom:
            secretKeyRef:
              name: postgres-credentials
              key: PASSWORD
      query: SELECT current_schemas(true)
      display:
        template: |
          {{- range $r := .results.rows }}
          {{- $r.current_schemas}}
          {{- end}}
      results: 1

Field	Description	Scheme	Required
auth	username and password value, configMapKeyRef or SecretKeyRef for Postgres server	Authentication
connection	connection string to connect to the server	string	Yes
query	query that needs to be executed on the server	string	Yes
results	Number rows to check for	int	Yes
*	All other common fields	Common