public UpdateSessionStatus(IEnumerable <UpdateDomainEntity> instancesEntities, UpdateDomainEntity modifiedEntity,
UpdateDomainEntity updateDomainEntity)
{
InstancesEntities = instancesEntities;
ModifiedEntity = modifiedEntity;
UpdateDomainEntity = updateDomainEntity;
}
public UpdateSessionTransaction MarkInstanceListAsModified()
{
var modifiedEntity = new UpdateDomainEntity(PartitionKey, UpdateSessionTable.ModifiedRowKey, "");
_batchOperation.Add(TableOperation.InsertOrReplace(modifiedEntity));
return(this);
}
public UpdateSessionTransaction InsertOrReplaceInstance()
{
var instanceEntity = new UpdateDomainEntity(PartitionKey, _instanceId, _updateDomain);
_batchOperation.Add(TableOperation.InsertOrReplace(instanceEntity));
return(this);
}
public UpdateSessionTransaction InsertUpdateDomain()
{
var updateDomainEntity = new UpdateDomainEntity(PartitionKey,
UpdateSessionTable.UpdateDomainRowKey, _updateDomain);
_batchOperation.Add(TableOperation.Insert(updateDomainEntity));
return(this);
}
public Task <UpdateSessionStatus> FetchUpdateSessionStatus(string clusterId, string appId)
{
string partitionQuery = CreatePartitionQuery(clusterId, appId);
TableQuery <UpdateDomainEntity> query = new TableQuery <UpdateDomainEntity>().Where(partitionQuery);
UpdateDomainEntity updateDomainEntity = null;
UpdateDomainEntity instanceListModifiedEntity = null;
Dictionary <string, List <UpdateDomainEntity> > instanceEntitiesDict = new Dictionary <string, List <UpdateDomainEntity> >();
foreach (UpdateDomainEntity entity in _table.ExecuteQuery(query))
{
if (entity.RowKey == UpdateDomainRowKey)
{
updateDomainEntity = entity;
}
else if (entity.RowKey == ModifiedRowKey)
{
instanceListModifiedEntity = entity;
}
else
{
if (entity.Timestamp.Add(_ttl) > DateTimeOffset.Now)
{
AddInstanceEntity(instanceEntitiesDict, entity);
}
}
}
List <UpdateDomainEntity> instancesEntities = null;
string updateDomain = updateDomainEntity?.UpdateDomain;
if (!string.IsNullOrWhiteSpace(updateDomain))
{
// filter out entities that do not match the active update domain (were leftover for some reason)
instanceEntitiesDict.TryGetValue(updateDomain, out instancesEntities);
}
if (instancesEntities == null)
{
instancesEntities = new List <UpdateDomainEntity>();
}
return(Task.FromResult(new UpdateSessionStatus(instancesEntities, instanceListModifiedEntity, updateDomainEntity)));
}
private static void AddInstanceEntity(Dictionary <string, List <UpdateDomainEntity> > instanceEntitiesDict, UpdateDomainEntity entity)
{
List <UpdateDomainEntity> instancesList;
if (instanceEntitiesDict.TryGetValue(entity.UpdateDomain, out instancesList))
{
instancesList.Add(entity);
}
else
{
instancesList = new List <UpdateDomainEntity>();
instancesList.Add(entity);
instanceEntitiesDict[entity.UpdateDomain] = instancesList;
}
}