public ulong GetSpaceRequiredToBeFreed(string directoryPath)
{
if (CalamariEnvironment.IsRunningOnMono && CalamariEnvironment.IsRunningOnMac)
{
Log.Verbose("Unable to determine disk free space under Mono on macOS. Assuming there's enough.");
return(0);
}
var requiredSpaceInBytes = GetRequiredSpaceInBytes(out var spaceOverrideSpecified);
if (spaceOverrideSpecified)
{
Log.Verbose($"{FreeDiskSpaceOverrideInMegaBytesVariable} has been specified. We will check and ensure that the drive containing the directory '{directoryPath}' on machine '{Environment.MachineName}' has {((ulong)requiredSpaceInBytes).ToFileSizeString()} free disk space.");
}
var success = fileSystem.GetDiskFreeSpace(directoryPath, out ulong totalNumberOfFreeBytes);
if (!success)
{
Log.Verbose("Unable to determine disk free space. Assuming there's enough.");
return(0);
}
if (totalNumberOfFreeBytes < requiredSpaceInBytes)
{
return(requiredSpaceInBytes - totalNumberOfFreeBytes);
}
return(0);
}
public IEnumerable <PackageIdentity> GetPackagesToRemove(IEnumerable <JournalEntry> journalEntries)
{
if (!fileSystem.GetDiskFreeSpace(packageUtils.RootDirectory, out var totalNumberOfFreeBytes) || !fileSystem.GetDiskTotalSpace(packageUtils.RootDirectory, out var totalNumberOfBytes))
{
log.Info("Unable to determine disk space. Skipping free space package retention.");
return(new PackageIdentity[0]);
}
var percentFreeDiskSpaceDesired = variables.GetInt32(PackageRetentionPercentFreeDiskSpace) ?? DefaultPercentFreeDiskSpace;
var desiredSpaceInBytes = totalNumberOfBytes * (ulong)percentFreeDiskSpaceDesired / 100;
if (totalNumberOfFreeBytes > desiredSpaceInBytes)
{
log.VerboseFormat("Detected enough space for new packages. ({0}/{1})", totalNumberOfFreeBytes.ToFileSizeString(), totalNumberOfBytes.ToFileSizeString());
return(new PackageIdentity[0]);
}
var spaceToFree = (desiredSpaceInBytes - totalNumberOfFreeBytes) * (100 + FreeSpacePercentBuffer) / 100;
log.VerboseFormat("Cleaning {0} space from the package cache.", spaceToFree.ToFileSizeString());
ulong spaceFreed = 0L;
var orderedJournalEntries = sortJournalEntries.Sort(journalEntries);
return(orderedJournalEntries.TakeWhile(entry =>
{
var moreToClean = spaceFreed < spaceToFree;
spaceFreed += entry.FileSizeBytes;
return moreToClean;
})
.Select(entry => entry.Package));
}
public void EnsureDiskHasEnoughFreeSpace(string directoryPath)
{
if (CalamariEnvironment.IsRunningOnMono && CalamariEnvironment.IsRunningOnMac)
{
//After upgrading to macOS 10.15.2, and mono 5.14.0, drive.TotalFreeSpace and drive.AvailableFreeSpace both started returning 0.
//see https://github.com/mono/mono/issues/17151, which was fixed in mono 6.4.xx
//If we upgrade mono past 5.14.x, scriptcs stops working.
//Rock and a hard place.
Log.Verbose("Unable to determine disk free space under Mono on macOS. Assuming there's enough.");
return;
}
if (variables.GetFlag(skipFreeDiskSpaceCheckVariable))
{
Log.Verbose($"{skipFreeDiskSpaceCheckVariable} is enabled. The check to ensure that the drive containing the directory '{directoryPath}' on machine '{Environment.MachineName}' has enough free space will be skipped.");
return;
}
ulong requiredSpaceInBytes = 500L * 1024 * 1024;
var freeSpaceOverrideInMegaBytes = variables.GetInt32(freeDiskSpaceOverrideInMegaBytesVariable);
if (freeSpaceOverrideInMegaBytes.HasValue)
{
requiredSpaceInBytes = (ulong)freeSpaceOverrideInMegaBytes * 1024 * 1024;
Log.Verbose($"{freeDiskSpaceOverrideInMegaBytesVariable} has been specified. We will check and ensure that the drive containing the directory '{directoryPath}' on machine '{Environment.MachineName}' has {((ulong) requiredSpaceInBytes).ToFileSizeString()} free disk space.");
}
var success = fileSystem.GetDiskFreeSpace(directoryPath, out ulong totalNumberOfFreeBytes);
if (!success)
{
return;
}
if (totalNumberOfFreeBytes < requiredSpaceInBytes)
{
throw new CommandException($"The drive containing the directory '{directoryPath}' on machine '{Environment.MachineName}' does not have enough free disk space available for this operation to proceed. The disk only has {totalNumberOfFreeBytes.ToFileSizeString()} available; please free up at least {requiredSpaceInBytes.ToFileSizeString()}.");
}
}