public static HealthCheckBuilder AddUrlChecks(this HealthCheckBuilder builder, IEnumerable <string> urlItems, string group)
{
var urls = urlItems.ToList();
builder.AddCheck($"UrlChecks ({group})", async() =>
{
var successfulChecks = 0;
var description = new StringBuilder();
var httpClient = new HttpClient();
foreach (var url in urlItems)
{
try
{
httpClient.DefaultRequestHeaders.Add("cache-control", "no-cache");
var response = await httpClient.GetAsync(url);
if (response.StatusCode == HttpStatusCode.OK)
{
successfulChecks++;
description.Append($"UrlCheck SUCCESS ({url}) ");
}
else
{
description.Append($"UrlCheck FAILED ({url}) ");
}
}
catch
{
description.Append($"UrlCheck FAILED ({url}) ");
}
}
if (successfulChecks == urls.Count)
{
return(HealthCheckResult.Healthy(description.ToString()));
}
else if (successfulChecks > 0)
{
return(HealthCheckResult.Warning(description.ToString()));
}
return(HealthCheckResult.Unhealthy(description.ToString()));
});
return(builder);
}
public async void GroupsIntegrationTest()
{
_builder.WithPartialSuccessStatus(CheckStatus.Warning)
.AddCheck("c1", () => HealthCheckResult.Healthy("Healthy c1"))
.AddHealthCheckGroup("g1",
group => group.AddCheck("gc1", () => HealthCheckResult.Unhealthy("Unhealthy gc1"))
.AddCheck("gc2", () => HealthCheckResult.Warning("Warning gc2")));
var service = new HealthCheckService(_builder, _serviceProvider, _serviceProvider.ScopeFactory);
var result = await service.CheckHealthAsync();
Assert.Equal("Healthy (Healthy c1)", ToDescriptiveString(result.Results["c1"]));
var groupResult = Assert.IsType <CompositeHealthCheckResult>(result.Results["Group(g1)"]);
Assert.Equal(CheckStatus.Unhealthy, groupResult.CheckStatus);
Assert.Collection(groupResult.Results.OrderBy(kvp => kvp.Key).Select(ToDescriptiveString),
item => Assert.Equal("'gc1' = 'Unhealthy (Unhealthy gc1)'", item),
item => Assert.Equal("'gc2' = 'Warning (Warning gc2)'", item)
);
}