Diplomarbeit-Absolventenverein/oqtane.framework
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refactor to shift some operations to updater

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This commit is contained in:
Shaun Walker
2019-10-31 17:00:01 -04:00
parent 0e09cdf20a
commit 156f5b5f94
2 changed files with 114 additions and 86 deletions
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142
Oqtane.Upgrade/Program.cs
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@ -1,4 +1,6 @@
using System.IO;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Reflection;
using System.Threading;
@ -9,89 +11,131 @@ namespace Oqtane.Upgrade
static void Main(string[] args)
{
string binfolder = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
// assumes that the application executable must be deployed to the /bin of the Oqtane.Server project
if (binfolder.Contains("Oqtane.Server\\bin"))
{
// ie. Oqtane.Server\bin\Debug\netcoreapp3.0\Oqtane.Upgrade.exe
// ie. binfolder = Oqtane.Server\bin\Debug\netcoreapp3.0\
string rootfolder = Directory.GetParent(binfolder).Parent.Parent.FullName;
string deployfolder = Path.Combine(rootfolder, "wwwroot\\Framework");
// take the app offline
if (File.Exists(Path.Combine(rootfolder, "app_offline.bak")))
{
File.Move(Path.Combine(rootfolder, "app_offline.bak"), Path.Combine(rootfolder, "app_offline.htm"));
}
if (Directory.Exists(deployfolder))
{
string filename;
string[] files = Directory.GetFiles(deployfolder);
if (CanAccessFiles(files, binfolder))
string packagename = "";
string[] packages = Directory.GetFiles(deployfolder, "Oqtane.Framework.*.nupkg");
if (packages.Length > 0)
{
// backup the files
foreach (string file in files)
packagename = packages[packages.Length - 1]; // use highest version
}
if (packagename != "")
{
// take the app offline
if (File.Exists(Path.Combine(rootfolder, "app_offline.bak")))
{
filename = Path.Combine(binfolder, Path.GetFileName(file));
if (File.Exists(filename))
File.Move(Path.Combine(rootfolder, "app_offline.bak"), Path.Combine(rootfolder, "app_offline.htm"));
}
// get list of files in package
List<string> files = new List<string>();
using (ZipArchive archive = ZipFile.OpenRead(packagename))
{
foreach (ZipArchiveEntry entry in archive.Entries)
{
if (Path.GetExtension(entry.FullName) == ".dll")
{
files.Add(Path.GetFileName(entry.FullName));
}
}
}
// ensure files are not locked
string filename;
if (CanAccessFiles(files, binfolder))
{
// create backup
foreach (string file in files)
{
filename = Path.Combine(binfolder, Path.GetFileName(file));
if (File.Exists(filename.Replace(".dll", ".bak")))
{
File.Delete(filename.Replace(".dll", ".bak"));
}
File.Move(filename, filename.Replace(".dll", ".bak"));
}
}
// copy the new files
bool success = true;
try
{
foreach (string file in files)
// extract files
bool success = true;
try
{
filename = Path.Combine(binfolder, Path.GetFileName(file));
// delete the file from the /bin if it exists
if (File.Exists(filename))
using (ZipArchive archive = ZipFile.OpenRead(packagename))
{
File.Delete(filename);
foreach (ZipArchiveEntry entry in archive.Entries)
{
filename = Path.GetFileName(entry.FullName);
if (files.Contains(filename))
{
entry.ExtractToFile(Path.Combine(binfolder, filename), true);
}
}
}
// copy the new file to the /bin
File.Move(Path.Combine(deployfolder, Path.GetFileName(file)), filename);
}
}
catch
{
// an error occurred deleting or moving a file
success = false;
}
// restore on failure
if (!success)
{
foreach (string file in files)
}
catch
{
filename = Path.Combine(binfolder, Path.GetFileName(file));
if (File.Exists(filename))
// an error occurred extracting a file
success = false;
}
if (success)
{
// clean up backup
foreach (string file in files)
{
File.Move(filename, filename.Replace(".bak", ".dll"));
filename = Path.Combine(binfolder, Path.GetFileName(file));
if (File.Exists(filename.Replace(".dll", ".bak")))
{
File.Delete(filename.Replace(".dll", ".bak"));
}
}
}
else
{
// restore on failure
foreach (string file in files)
{
filename = Path.Combine(binfolder, Path.GetFileName(file));
if (File.Exists(filename))
{
File.Delete(filename);
}
File.Move(filename.Replace(".dll", ".bak"), filename);
}
}
// delete package
File.Delete(packagename);
}
// bring the app back online
if (File.Exists(Path.Combine(rootfolder, "app_offline.htm")))
{
File.Move(Path.Combine(rootfolder, "app_offline.htm"), Path.Combine(rootfolder, "app_offline.bak"));
}
}
}
// bring the app back online
if (File.Exists(Path.Combine(rootfolder, "app_offline.htm")))
{
File.Move(Path.Combine(rootfolder, "app_offline.htm"), Path.Combine(rootfolder, "app_offline.bak"));
}
}
return;
}
private static bool CanAccessFiles(string[] files, string folder)
private static bool CanAccessFiles(List<string> files, string folder)
{
// ensure files are not locked by another process - the shutdownTimeLimit defines the duration for app shutdown
bool canaccess = true;
FileStream stream = null;
int i = 0;
while (i < (files.Length - 1) && canaccess)
while (i < (files.Count - 1) && canaccess)
{
string filepath = Path.Combine(folder, Path.GetFileName(files[i]));
int attempts = 0;