wait-for

wait-for will try connect to server then exit with code 0 if server is available and 1 otherwise.

Usage

PostgreSQL

wait-for --postgresql postgres://postgres@localhost && npm run test-integration
# or
POSTGRESQL_URI=postgres://postgres@localhost wait-for --postgresql && npm run test-integration

RabbitMQ

wait-for --rabbitmq amqp://localhost && npm run test-integration
# or
RABBITMQ_URI=amqp://localhost wait-for --rabbitmq && npm run test-integration

Redis

wait-for --redis redis://localhost && npm run test-integration
# or
REDIS_URI=redis://localhost wait-for --redis && npm run test-integration

Example

Wait for PostgreSQL, RabbitMQ and Redis (configured via environment)

wait-for --postgresql --rabbitmq --redis && npm run test-integration

Configuration

CLI argument	Environment variable	Description	Default
--postgressql	POSTGRESQL_URI	Connection string
--rabbitmq	RABBITMQ_URI	Connection string
--redis	REDIS_URI	Connection string
-c, --max-attempts		Max attempt count	60
-d, --delay		Delay between attempts	1000
-q, --quiet		Quiet mode

Used packages

amqplib pg redis