Function createPostgresPoolConnectivityMetric

createPostgresPoolConnectivityMetric(
    logger: DbLogger,
    pgPool: Pool,
    pgPoolType: "envOwnerPool" | "loginPool" | "dbOwnerPool",
    timeoutInMilliSeconds?: number,
): Metric<string>
Creates a Gauge metric with the name ax_postgres_<pgPoolType>_connectivity which can be added to a metric Registry. This metric will have a value of 1 if the Database can be reached via the corresponding Pool (within the given timeout), or a value of 0 otherwise.
Parameters
- logger: DbLogger
- pgPool: Pool
  The Postgres Pool to use for checking the connectivity. The connectivity test will be done at the point of metric collection.
- pgPoolType: "envOwnerPool" | "loginPool" | "dbOwnerPool"
  The Postgres Pool to check connectivity for.
- timeoutInMilliSeconds: number = 10000
  The maximum time the connectivity check will run during metric collection. Defaults to 10000ms.
Returns Metric<string>
A Gauge metric with a name ax_postgres_<pgPoolType>_connectivity.