public DefaultHealthCheckService(ISystemClock clock, IHealthCheckPolicyProvider policyProvider, ICheckFactory checkFactory)
{
if (checkFactory == null)
{
throw new ArgumentNullException(nameof(checkFactory));
}
if (clock == null)
{
throw new ArgumentNullException(nameof(clock));
}
if (policyProvider == null)
{
throw new ArgumentNullException(nameof(policyProvider));
}
_checkFactory = checkFactory;
_clock = clock;
_defaultPolicy = policyProvider.DefaultPolicy;
_resultCache = CreateCache();
}
public HealthCheckMiddleware(
RequestDelegate next,
IOptions <HealthCheckOptions> options,
ILoggerFactory loggerFactory,
IHealthCheckService healthService,
IHealthCheckPolicyProvider policyProvider,
IAuthorizationService authorizationService)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
if (healthService == null)
{
throw new ArgumentNullException(nameof(healthService));
}
if (policyProvider == null)
{
throw new ArgumentNullException(nameof(policyProvider));
}
if (authorizationService == null)
{
throw new ArgumentNullException(nameof(authorizationService));
}
_next = next;
_options = options.Value;
_logger = loggerFactory.CreateLogger <HealthCheckMiddleware>();
_healthService = healthService;
_policyProvider = policyProvider;
_authorizationService = authorizationService;
_charPool = ArrayPool <char> .Shared;
_jsonCharPool = new JsonArrayPool <char>(_charPool);
_bytePool = ArrayPool <byte> .Shared;
JsonSerializerSettings jsonSettings = new JsonSerializerSettings
{
ContractResolver = new DefaultContractResolver
{
NamingStrategy = new SnakeCaseNamingStrategy(true, true),
},
Converters = new List <JsonConverter>
{
new StringEnumConverter
{
CamelCaseText = true
}
},
NullValueHandling = NullValueHandling.Ignore
};
_jsonSerializer = JsonSerializer.Create(jsonSettings);
}
public CanaryMiddleware(
RequestDelegate next,
IOptions <CanaryOptions> options,
ILoggerFactory loggerFactory,
IHealthCheckService healthService,
IHealthCheckPolicyProvider policyProvider,
IServerSwitch serverSwitch,
IAuthorizationService authorizationService)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
if (healthService == null)
{
throw new ArgumentNullException(nameof(healthService));
}
if (policyProvider == null)
{
throw new ArgumentNullException(nameof(policyProvider));
}
if (authorizationService == null)
{
throw new ArgumentNullException(nameof(authorizationService));
}
if (authorizationService == null)
{
throw new ArgumentNullException(nameof(authorizationService));
}
_next = next;
_options = options.Value;
_logger = loggerFactory.CreateLogger <CanaryMiddleware>();
_healthService = healthService;
_serverSwitch = serverSwitch;
_authorizationService = authorizationService;
if (_options.EnableHealthCheck)
{
var defaultPolicy = policyProvider.GetPolicy(_options.PolicyName);
if (defaultPolicy == null)
{
throw new ArgumentException($"{nameof(_options.PolicyName)} '{_options.PolicyName}' is not a valid policy.", nameof(_options));
}
_defaultPolicy = defaultPolicy;
}
}
