public void Options_CanUseInetUtils()
{
// arrange
var mockNetUtils = new Mock <InetUtils>(null, null);
mockNetUtils.Setup(n => n.FindFirstNonLoopbackHostInfo()).Returns(new HostInfo()
{
Hostname = "FromMock", IpAddress = "254.254.254.254"
}).Verifiable();
var appSettings = new Dictionary <string, string> {
{ "consul:discovery:UseNetUtils", "true" }
};
var config = new ConfigurationBuilder().AddInMemoryCollection(appSettings).Build();
var opts = new ConsulDiscoveryOptions()
{
NetUtils = mockNetUtils.Object
};
config.GetSection(ConsulDiscoveryOptions.CONSUL_DISCOVERY_CONFIGURATION_PREFIX).Bind(opts);
// act
opts.ApplyNetUtils();
// assert
Assert.Equal("FromMock", opts.HostName);
Assert.Equal("254.254.254.254", opts.IpAddress);
mockNetUtils.Verify(n => n.FindFirstNonLoopbackHostInfo(), Times.Once);
}
public void Options_CanUseInetUtilsWithoutReverseDnsOnIP()
{
// arrange
var noSlowReverseDNSQuery = new Stopwatch();
noSlowReverseDNSQuery.Start();
var appSettings = new Dictionary <string, string> {
{ "consul:discovery:UseNetUtils", "true" }, { "spring:cloud:inet:SkipReverseDnsLookup", "true" }
};
var config = new ConfigurationBuilder().AddInMemoryCollection(appSettings).Build();
var opts = new ConsulDiscoveryOptions()
{
NetUtils = new InetUtils(config.GetSection(InetOptions.PREFIX).Get <InetOptions>())
};
config.GetSection(ConsulDiscoveryOptions.CONSUL_DISCOVERY_CONFIGURATION_PREFIX).Bind(opts);
// act
opts.ApplyNetUtils();
noSlowReverseDNSQuery.Stop();
// assert
Assert.NotNull(opts.HostName);
Assert.InRange(noSlowReverseDNSQuery.ElapsedMilliseconds, 0, 1500); // testing with an actual reverse dns query results in around 5000 ms
}
public void Options_DontUseInetUtilsByDefault()
{
var mockNetUtils = new Mock <InetUtils>(null, null);
mockNetUtils.Setup(n => n.FindFirstNonLoopbackHostInfo()).Returns(new HostInfo()
{
Hostname = "FromMock", IpAddress = "254.254.254.254"
}).Verifiable();
var config = new ConfigurationBuilder().Build();
var opts = new ConsulDiscoveryOptions()
{
NetUtils = mockNetUtils.Object
};
config.GetSection(ConsulDiscoveryOptions.CONSUL_DISCOVERY_CONFIGURATION_PREFIX).Bind(opts);
opts.ApplyNetUtils();
mockNetUtils.Verify(n => n.FindFirstNonLoopbackHostInfo(), Times.Never);
}
/// <summary>
/// Perform post-configuration on ConsulDiscoveryOptions
/// </summary>
/// <param name="config">Application Configuration</param>
/// <param name="options">ConsulDiscoveryOptions to configure</param>
/// <param name="netOptions">Optional InetOptions</param>
public static void UpdateDiscoveryOptions(IConfiguration config, ConsulDiscoveryOptions options, InetOptions netOptions)
{
options.NetUtils = new InetUtils(netOptions);
options.ApplyNetUtils();
options.ApplyConfigUrls(config.GetAspNetCoreUrls(), ConfigurationUrlHelpers.WILDCARD_HOST);
}