private AquariusServerVersion DetectServerVersion(string hostname)
{
var versionBaseUri = Root.EndPoint + "/apps/v1";
var versionEndpoint = UriHelper.ResolveEndpoint(hostname, versionBaseUri);
var attemptCount = 1;
while (true)
{
var stopwatch = Stopwatch.StartNew();
try
{
using (var serviceClient = ServiceClientFactory(versionEndpoint))
{
return(AquariusServerVersion.Create(serviceClient.Get(new GetVersion()).ApiVersion));
}
}
catch (Exception exception)
{
var message = string.Format(
"Unknown server version '{0}' after {1:F3} seconds. {2}",
hostname,
stopwatch.Elapsed.TotalSeconds,
exception.Message);
var isExpectedException =
exception is NotSupportedException ||
exception is WebException ||
exception is WebServiceException;
if (isExpectedException)
{
Log.Warn(message);
}
else
{
Log.Warn(message, exception);
}
var webException = exception as WebException;
if (webException != null && (webException.Status == WebExceptionStatus.Timeout) && (attemptCount < MaximumRetryCount))
{
Log.InfoFormat("Version probe attempt #{0} for '{1}'", attemptCount, hostname);
++attemptCount;
continue;
}
return(null);
}
}
}
public void SetOverrides(string overridesValue)
{
if (string.IsNullOrEmpty(overridesValue))
{
return;
}
foreach (var text in overridesValue.Split(OverrideSeparators, StringSplitOptions.RemoveEmptyEntries))
{
var components = text.Split('=');
if (components.Length != 2)
{
continue;
}
var hostname = components[0].Trim();
var version = components[1].Trim();
_overrideVersions[hostname] = AquariusServerVersion.Create(version);
}
}