private async Task <Uri> LocateCacheStoreAsync()
{
try
{
bool hasPages = true;
var query = new ApplicationQueryDescription()
{
MaxResults = 50
};
while (hasPages)
{
var apps = await _fabricClient.QueryManager.GetApplicationPagedListAsync(query);
query.ContinuationToken = apps.ContinuationToken;
hasPages = !string.IsNullOrEmpty(query.ContinuationToken);
foreach (var app in apps)
{
var serviceName = await LocateCacheStoreServiceInApplicationAsync(app.ApplicationName);
if (serviceName != null)
{
return(serviceName);
}
}
}
}
catch { }
return(null);
}
/// <summary>
/// Locates the registered broker service.
/// </summary>
/// <returns></returns>
/// <exception cref="BrokerNotFoundException"></exception>
private async Task <Uri> LocateAsync()
{
if (_brokerServiceUri != null)
{
return(_brokerServiceUri);
}
try
{
// check current context
var activationContext = FabricRuntime.GetActivationContext();
var property = await GetBrokerPropertyOrNull(activationContext.ApplicationName);
if (property == null)
{
// try to find broker name in other application types
bool hasPages = true;
var query = new ApplicationQueryDescription {
MaxResults = 50
};
while (hasPages)
{
var apps = await _fabricClient.QueryManager.GetApplicationPagedListAsync(query);
query.ContinuationToken = apps.ContinuationToken;
hasPages = !string.IsNullOrEmpty(query.ContinuationToken);
foreach (var app in apps)
{
var found = await LocateAsync(app.ApplicationName);
if (found != null)
{
_brokerServiceUri = found;
return(_brokerServiceUri);
}
}
}
}
else
{
_brokerServiceUri = new Uri(property.GetValue <string>());
return(_brokerServiceUri);
}
}
catch
{
// ignored
}
throw new BrokerNotFoundException("No brokerService was discovered in the cluster.");
}
/// <inheritdoc />
public async Task <Uri> LocateAsync()
{
try
{
// check current context
var activationContext = FabricRuntime.GetActivationContext();
var property = await GetBrokerPropertyOrNull(activationContext.ApplicationName);
if (property == null)
{
// try to find broker name in other application types
bool hasPages = true;
var query = new ApplicationQueryDescription()
{
MaxResults = 50
};
while (hasPages)
{
var apps = await _fabricClient.QueryManager.GetApplicationPagedListAsync(query);
query.ContinuationToken = apps.ContinuationToken;
hasPages = !string.IsNullOrEmpty(query.ContinuationToken);
foreach (var app in apps)
{
var found = await LocateAsync(app.ApplicationName);
if (found != null)
{
return(found);
}
}
}
}
else
{
return(new Uri(property.GetValue <string>()));
}
}
catch
{
;
}
return(null);
}
private void GetResultsWithPagedQuery(IClusterConnection clusterConnection)
{
var queryDescription = new ApplicationQueryDescription();
queryDescription.ExcludeApplicationParameters = this.ExcludeApplicationParameters;
if (this.MaxResults.HasValue)
{
queryDescription.MaxResults = this.MaxResults.Value;
}
if (!string.IsNullOrEmpty(this.ApplicationTypeName))
{
queryDescription.ApplicationTypeNameFilter = this.ApplicationTypeName;
}
if ((this.ApplicationName != null) && (!string.IsNullOrEmpty(this.ApplicationName.OriginalString)))
{
queryDescription.ApplicationNameFilter = this.ApplicationName;
}
if (!string.IsNullOrEmpty(this.ContinuationToken))
{
queryDescription.ContinuationToken = this.ContinuationToken;
}
if (this.ApplicationDefinitionKindFilter.HasValue)
{
queryDescription.ApplicationDefinitionKindFilter = this.ApplicationDefinitionKindFilter.Value;
}
var queryResult = clusterConnection.GetApplicationPagedListAsync(
queryDescription,
this.GetTimeout(),
this.GetCancellationToken()).Result;
// Continuation token is not added as a PsObject because it breaks the pipeline scenarios
// like Get-ServiceFabricNode | Get-ServiceFabricNodeHealth
this.WriteObject(this.FormatOutput(queryResult));
// If the user selects the "Verbose" option, then print the continuation token
this.WriteVerbose("Continuation Token: " + queryResult.ContinuationToken);
}
private void GetAllQueryResultPages(IClusterConnection clusterConnection)
{
// If the results do not fit a message, the continuation token is set.
// Keep getting data until all entries are received.
bool morePages = true;
string currentContinuationToken = null;
currentContinuationToken = this.ContinuationToken;
var queryDescription = new ApplicationQueryDescription()
{
ApplicationNameFilter = this.ApplicationName,
ApplicationTypeNameFilter = this.ApplicationTypeName,
ContinuationToken = currentContinuationToken,
ExcludeApplicationParameters = this.ExcludeApplicationParameters
};
if (this.ApplicationDefinitionKindFilter.HasValue)
{
queryDescription.ApplicationDefinitionKindFilter = this.ApplicationDefinitionKindFilter.Value;
}
while (morePages)
{
var queryResult = clusterConnection.GetApplicationPagedListAsync(
queryDescription,
this.GetTimeout(),
this.GetCancellationToken()).Result;
foreach (var item in queryResult)
{
this.WriteObject(this.FormatOutput(item));
}
morePages = Helpers.ResultHasMorePages(this, queryResult.ContinuationToken, out currentContinuationToken);
// Update continuation token
queryDescription.ContinuationToken = currentContinuationToken;
}
}
private async Task <Uri> LocateCacheStoreAsync()
{
if (_options.CacheStoreServiceUri != null)
{
return(_options.CacheStoreServiceUri);
}
try
{
bool hasPages = true;
var query = new ApplicationQueryDescription()
{
MaxResults = 50
};
while (hasPages)
{
var apps = await _fabricClient.QueryManager.GetApplicationPagedListAsync(query);
query.ContinuationToken = apps.ContinuationToken;
hasPages = !string.IsNullOrEmpty(query.ContinuationToken);
foreach (var app in apps)
{
var serviceName = await LocateCacheStoreServiceInApplicationAsync(app.ApplicationName);
if (serviceName != null)
{
return(serviceName);
}
}
}
}
catch { }
throw new CacheStoreNotFoundException("Cache store not found in Service Fabric cluster. Try setting the 'CacheStoreServiceUri' configuration option to the location of your cache store.");;
}
public GetApplicationListRequest(IFabricClient fabricClient, ApplicationQueryDescription description, TimeSpan timeout)
: base(fabricClient, timeout)
{
this.ApplicationQueryDescription = description;
}
