void UpdateConfigurationWithCurrentInstanceCount(XContainer localConfigurationFile, string configurationFileName, VariableDictionary variables)
{
if (!variables.GetFlag(SpecialVariables.Action.Azure.UseCurrentInstanceCount))
{
return;
}
var serviceName = variables.Get(SpecialVariables.Action.Azure.CloudServiceName);
var slot = (DeploymentSlot)Enum.Parse(typeof(DeploymentSlot), variables.Get(SpecialVariables.Action.Azure.Slot));
var remoteConfigurationFile = configurationRetriever.GetConfiguration(
credentialsFactory.GetCredentials(variables.Get(SpecialVariables.Action.Azure.SubscriptionId),
variables.Get(SpecialVariables.Action.Azure.CertificateThumbprint),
variables.Get(SpecialVariables.Action.Azure.CertificateBytes)),
serviceName,
slot);
if (remoteConfigurationFile == null)
{
Log.Info("There is no current deployment of service '{0}' in slot '{1}', so existing instance counts will not be imported.", serviceName, slot);
return;
}
var rolesByCount = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
Log.Verbose("Local instance counts (from " + Path.GetFileName(configurationFileName) + "): ");
WithInstanceCounts(localConfigurationFile, (roleName, attribute) =>
{
Log.Verbose(" - " + roleName + " = " + attribute.Value);
string value;
if (rolesByCount.TryGetValue(roleName, out value))
{
attribute.SetValue(value);
}
});
Log.Verbose("Remote instance counts: ");
WithInstanceCounts(remoteConfigurationFile, (roleName, attribute) =>
{
rolesByCount[roleName] = attribute.Value;
Log.Verbose(" - " + roleName + " = " + attribute.Value);
});
Log.Verbose("Replacing local instance count settings with remote settings: ");
WithInstanceCounts(localConfigurationFile, (roleName, attribute) =>
{
string value;
if (!rolesByCount.TryGetValue(roleName, out value))
{
return;
}
attribute.SetValue(value);
Log.Verbose(" - " + roleName + " = " + attribute.Value);
});
}
public void ShouldUseExistingInstanceCountIfSpecified()
{
ArrangeOriginalConfigurationFileForSuccess(Path.Combine(StagingDirectory, DefaultConfigurationFileName), SimpleConfigSample, x => result = x);
variables.Set(SpecialVariables.Action.Azure.UseCurrentInstanceCount, true.ToString());
configurationRetriever.GetConfiguration(
Arg.Is <SubscriptionCloudCredentials>(x => x.SubscriptionId == AzureSubscriptionId), CloudServiceName, DeploymentSlot)
.Returns(XDocument.Parse(RemoteConfigWithInstanceCount4));
convention.Install(deployment);
AssertIsValidConfigurationFile(result);
AssertRoleHasInstanceCount(result, "Humpty.Web", 4);
AssertRoleHasInstanceCount(result, "Humpty.Worker", 6);
}