private async Task SynchronizeComonentHostInstancesAndPackagesAsync(NodeServer node)
{
// get expected instances on node
// get instances currently on node
// request to end all instances and start them again
// if there's a discrepency
INodeAccessService nodeAccess = NodeAccessFactory.Get(node);
IComponentHostSettingsDataAccess componentSettingsDataAccess = ComponentHostSettingsDataAccessFactory.Get();
IEnumerable <ComponentHostInstanceSettings> requiredComponentHostInstances = await componentSettingsDataAccess.GetComponentInstanceSettingsAsync(node);
IEnumerable <Package> requiredComponentHostPackages = await componentSettingsDataAccess.GetComponentPackagesAsync(node);
ComponentHostInstanceSettings primerComponentHost = requiredComponentHostInstances.First();
// start host process
string hostPackageName = await NodeSettingsAccessFactory.Get().GetComponentHostPackageName();
NodeBasicProcessInformation primerHostProcess = await nodeAccess.StartProcessAsync(hostPackageName, (id : 0, args : new Dictionary <string, string> {
{ "--port", "4999" }
}));
IComponentHostAccessService primerHostProcessAccess = ComponentHostAccessFactory.Get(primerHostProcess.ProcessUri);
IEnumerable <PackageDetails> remoteComponentHostPackages = await primerHostProcessAccess.GetComponentHostPackageConfigurationAsync();
try
{
requiredComponentHostPackages
//.AsParallel()
//.ForAll
.Select(package =>
{
var remoteInstallation = remoteComponentHostPackages?.Where(x => string.Compare(package.Name, x.PackageName, true) == 0).ToList() ?? default;
PackageDetails packageDetails = null;
using (var packageStream = File.OpenRead(package.PackagePath))
{
if (remoteInstallation is null || !remoteInstallation.Any())
{// component host doesn't have required package
packageDetails = primerHostProcessAccess.UploadComponentHostPackageAsync(packageStream).Result;
}
else if (!remoteInstallation.Any(x => x.PackageVersion == package.Version))
{
// check if any instances are running with the loaded package
packageDetails = primerHostProcessAccess.UpdateComponentHostPackageAsync(packageStream).Result;
}
}
public static IComponentHostAccessService GetComponentHostAccessService(this NodeBasicProcessInformation processInformation) => ComponentHostAccessFactory.Get(processInformation.ProcessUri);