/// <summary>
/// Gets a new system list.
/// </summary>
public static void RefreshSystemList()
{
// Do not perform schema validation since we don't want to be forced into redeploying Program Runner after every schema change. We also don't have access
// to the schema on non-development machines.
var cacheFilePath = EwlStatics.CombinePaths(ConfigurationStatics.EwlFolderPath, "System List.xml");
var cacheUsed = false;
try {
ConfigurationLogic.ExecuteWithSystemManagerClient(
client => {
Task.Run(
async() => {
using (var response = await client.GetAsync("system-list", HttpCompletionOption.ResponseHeadersRead)) {
response.EnsureSuccessStatusCode();
using (var stream = await response.Content.ReadAsStreamAsync())
RsisSystemList = XmlOps.DeserializeFromStream <SystemList>(stream, false);
}
})
.Wait();
});
}
catch (Exception e) {
// Use the cached version of the system list if it is available.
if (File.Exists(cacheFilePath))
{
RsisSystemList = XmlOps.DeserializeFromFile <SystemList>(cacheFilePath, false);
cacheUsed = true;
}
else
{
throw new UserCorrectableException("Failed to download the system list and a cached version is not available.", e);
}
}
StatusStatics.SetStatus(
cacheUsed ? "Failed to download the system list; loaded a cached version from \"{0}\".".FormatWith(cacheFilePath) : "Downloaded the system list.");
// Cache the system list so something is available in the future if the machine is offline.
try {
XmlOps.SerializeIntoFile(RsisSystemList, cacheFilePath);
}
catch (Exception e) {
const string generalMessage = "Failed to cache the system list on disk.";
if (e is UnauthorizedAccessException)
{
throw new UserCorrectableException(generalMessage + " If the program is running as a non built in administrator, you may need to disable UAC.", e);
}
// An IOException probably means the file is locked. In this case we want to ignore the problem and move on.
if (!(e is IOException))
{
throw new UserCorrectableException(generalMessage, e);
}
}
}
private static void executeWebMethod <ContractType>(Action <ContractType> method, ChannelFactory <ContractType> factory, string action)
{
StatusStatics.SetStatus("Performing " + action + ".");
try {
using (var channel = (IDisposable)factory.CreateChannel())
method((ContractType)channel);
}
catch (Exception e) {
throw createWebServiceException(action, e);
}
StatusStatics.SetStatus("Performed " + action + ".");
}
private static ResultType executeWebMethodWithResult <ContractType, ResultType>(
Func <ContractType, ResultType> method, ChannelFactory <ContractType> factory, string action)
{
StatusStatics.SetStatus("Performing " + action + ".");
ResultType ret;
try {
using (var channel = (IDisposable)factory.CreateChannel())
ret = method((ContractType)channel);
}
catch (Exception e) {
throw createWebServiceException(action, e);
}
StatusStatics.SetStatus("Performed " + action + ".");
return(ret);
}
public static Action DownloadDataPackageAndGetDataUpdateMethod(
ExistingInstallation installation, bool installationIsStandbyDb, RsisInstallation source, bool forceNewPackageDownload,
OperationResult operationResult)
{
var recognizedInstallation = installation as RecognizedInstallation;
var packageZipFilePath = recognizedInstallation != null?source.GetDataPackage(forceNewPackageDownload, operationResult) : "";
return(() => {
IoMethods.ExecuteWithTempFolder(
tempFolderPath => {
var packageFolderPath = EwlStatics.CombinePaths(tempFolderPath, "Package");
if (packageZipFilePath.Any())
{
ZipOps.UnZipFileAsFolder(packageZipFilePath, packageFolderPath);
}
// Delete and re-create databases.
DatabaseOps.DeleteAndReCreateDatabaseFromFile(
installation.ExistingInstallationLogic.Database,
databaseHasMinimumDataRevision(installation.ExistingInstallationLogic.RuntimeConfiguration.PrimaryDatabaseSystemConfiguration),
packageFolderPath);
if (recognizedInstallation != null)
{
foreach (var secondaryDatabase in recognizedInstallation.RecognizedInstallationLogic.SecondaryDatabasesIncludedInDataPackages)
{
DatabaseOps.DeleteAndReCreateDatabaseFromFile(
secondaryDatabase,
databaseHasMinimumDataRevision(
installation.ExistingInstallationLogic.RuntimeConfiguration.GetSecondaryDatabaseSystemConfiguration(
secondaryDatabase.SecondaryDatabaseName)),
packageFolderPath);
}
}
});
DatabaseOps.WaitForDatabaseRecovery(installation.ExistingInstallationLogic.Database);
if (recognizedInstallation != null)
{
recompileProceduresInSecondaryOracleDatabases(recognizedInstallation);
}
if (!installationIsStandbyDb)
{
// Bring database logic up to date with the rest of the logic in this installation. In other words, reapply changes lost when we deleted the database.
StatusStatics.SetStatus("Updating database logic...");
DatabaseOps.UpdateDatabaseLogicIfUpdateFileExists(
installation.ExistingInstallationLogic.Database,
installation.ExistingInstallationLogic.DatabaseUpdateFilePath,
installation.ExistingInstallationLogic.RuntimeConfiguration.InstallationType == InstallationType.Development);
}
// If we're an intermediate installation and we are getting data from a live installation, sanitize the data and do other conversion commands.
if (installation is RecognizedInstalledInstallation recognizedInstalledInstallation &&
recognizedInstalledInstallation.KnownInstallationLogic.RsisInstallation.InstallationTypeElements is IntermediateInstallationElements &&
source.InstallationTypeElements is LiveInstallationElements)
{
StatusStatics.SetStatus("Executing live -> intermediate conversion commands...");
doDatabaseLiveToIntermediateConversionIfCommandsExist(
installation.ExistingInstallationLogic.Database,
installation.ExistingInstallationLogic.RuntimeConfiguration.PrimaryDatabaseSystemConfiguration);
foreach (var secondaryDatabase in recognizedInstallation.RecognizedInstallationLogic.SecondaryDatabasesIncludedInDataPackages)
{
doDatabaseLiveToIntermediateConversionIfCommandsExist(
secondaryDatabase,
installation.ExistingInstallationLogic.RuntimeConfiguration.GetSecondaryDatabaseSystemConfiguration(secondaryDatabase.SecondaryDatabaseName));
}
}
});
}
