我想从docker-compose.override文件中读取队列名称。为此,我使它们成为字符串数组 并在下面这样定义它们
environment:
- RabbitMQOptions__ConnectionString=-rabbitmq
- RabbitMQOptions__BrokerName=event_demo
- RabbitMQOptions__QueueName=["sampleQueue", "daemonQueue"]
Docker compose文件建立得很好。但是我无法从数组中获取任何值。是否还有其他方法可以设置此env变量。
我正在通过Startup.cs文件从docker-compose文件中注入值
services.AddSingleton<IEventBus, RabbitMQEventBus>(sp =>
{
var rabbitMQPersistentConnection = sp.GetRequiredService<IRabbitMQPersistentConnection>();
var logger = sp.GetRequiredService<ILogger<RabbitMQEventBus>>();
var eventBusSubcriptionsManager = sp.GetRequiredService<IEventBusSubscriptionManager>();
var options = sp.GetRequiredService<IOptionsMonitor<RabbitMQOptions>>();
return new RabbitMQEventBus(options.CurrentValue, eventBusSubcriptionsManager, rabbitMQPersistentConnection, logger, services);
});
在构造函数中,我通过依赖注入获得值
public RabbitMQEventBus(
RabbitMQOptions options,
IEventBusSubscriptionManager subscriptionManager,
IRabbitMQPersistentConnection persistentConnection,
ILogger<RabbitMQEventBus> logger,
IServiceCollection services
)
{
_persistentConnection = persistentConnection;
_subsManager = subscriptionManager;
_options = options;
_queueName = _options.QueueName[0];
_consumerChannel = CreateConsumerChannel();
_subsManager.OnEventRemoved += SubsManager_OnEventRemoved;
_logger = logger;
_services = services;
BROKER_NAME = _options.BrokerName;
}
这是RabbitMQOptions类
public class RabbitMQOptions
{
public string ConnectionString { get; set; }
public string BrokerName { get; set; }
public string[] QueueName { get; set; }
}