/// <summary>
/// <para>Will create a file lock like this: {rootPath}/{site extension id}/install.lock</para>
/// <para>e.g 'D:\home\site\siteextension\filecounter\install.lock'</para>
/// </summary>
public static SiteExtensionInstallationLock CreateLock(string rootPath, string id)
{
string lockFilePath = Path.Combine(rootPath, id, LockNameSuffix);
var installationLock = new SiteExtensionInstallationLock(lockFilePath);
installationLock.InitializeAsyncLocks();
return(installationLock);
}
private async Task <SiteExtensionInfo> InstallExtensionCore(string id, SiteExtensionInfo requestInfo, ITracer tracer)
{
var version = requestInfo.Version;
var feedUrl = requestInfo.FeedUrl;
var type = requestInfo.Type;
var installationArgs = requestInfo.InstallationArgs;
var packageUri = requestInfo.PackageUri;
try
{
using (tracer.Step("Installing '{0}' version '{1}' from '{2}'", id, version, StringUtils.ObfuscatePath(!string.IsNullOrEmpty(packageUri) ? packageUri : feedUrl)))
{
var installationLock = SiteExtensionInstallationLock.CreateLock(_environment.SiteExtensionSettingsPath, id, enableAsync: true);
// hold on to lock till action complete (success or fail)
return(await installationLock.LockOperationAsync <SiteExtensionInfo>(async() =>
{
return await TryInstallExtension(id, requestInfo, tracer);
}, "Installing SiteExtension", TimeSpan.Zero));
}
}
catch (Exception ex)
{
_analytics.UnexpectedException(
ex,
method: "PUT",
path: string.Format(CultureInfo.InvariantCulture, "/api/siteextensions/{0}", id),
result: Constants.SiteExtensionProvisioningStateFailed,
message: string.Format(CultureInfo.InvariantCulture, "{{\"version\": {0}, \"feed_url\": {1}}}", version, feedUrl),
trace: false);
// handle unexpected exception
tracer.TraceError(ex);
var info = new SiteExtensionInfo();
info.Id = id;
SiteExtensionStatus armStatus = new SiteExtensionStatus(_environment.SiteExtensionSettingsPath, id, tracer);
armStatus.Operation = Constants.SiteExtensionOperationInstall;
armStatus.ProvisioningState = Constants.SiteExtensionProvisioningStateFailed;
armStatus.Status = HttpStatusCode.BadRequest;
armStatus.FillSiteExtensionInfo(info);
tracer.Trace("Update arm settings for {0} installation. Status: {1}", id, armStatus.Status);
return(info);
}
}
// <inheritdoc />
public async Task <SiteExtensionInfo> InstallExtension(string id, string version, string feedUrl, SiteExtensionInfo.SiteExtensionType type, ITracer tracer)
{
try
{
var installationLock = SiteExtensionInstallationLock.CreateLock(_environment.SiteExtensionSettingsPath, id, enableAsync: true);
// hold on to lock till action complete (success or fail)
return(await installationLock.LockOperationAsync <SiteExtensionInfo>(async() =>
{
return await TryInstallExtension(id, version, feedUrl, type, tracer);
}, TimeSpan.Zero));
}
catch (Exception ex)
{
_analytics.UnexpectedException(
ex,
method: "PUT",
path: string.Format(CultureInfo.InvariantCulture, "/api/siteextensions/{0}", id),
result: Constants.SiteExtensionProvisioningStateFailed,
message: string.Format(CultureInfo.InvariantCulture, "{{\"version\": {0}, \"feed_url\": {1}}}", version, feedUrl),
trace: false);
// handle unexpected exception
tracer.TraceError(ex);
var info = new SiteExtensionInfo();
info.Id = id;
SiteExtensionStatus armStatus = new SiteExtensionStatus(_environment.SiteExtensionSettingsPath, id, tracer);
armStatus.Operation = Constants.SiteExtensionOperationInstall;
armStatus.ProvisioningState = Constants.SiteExtensionProvisioningStateFailed;
armStatus.Status = HttpStatusCode.BadRequest;
armStatus.FillSiteExtensionInfo(info);
tracer.Trace("Update arm settings for {0} installation. Status: {1}", id, armStatus.Status);
return(info);
}
}