public static Container MigrateToLatest(string slot, CosmosStorageOptions options,
IConfiguration configSeed = null, SeedStrategy strategy = SeedStrategy.InsertIfNotExists)
{
var optionsMonitor = new OptionsMonitorShim <CosmosStorageOptions>(options);
var runner = new CosmosMigrationRunner(slot, optionsMonitor);
var container = runner.CreateContainerIfNotExistsAsync().GetAwaiter().GetResult();
if (configSeed != null && strategy != SeedStrategy.None)
{
var repository = new CosmosRepository(slot, container, optionsMonitor, null);
switch (strategy)
{
case SeedStrategy.InsertIfNotExists:
{
InsertIfNotExists(repository);
break;
}
case SeedStrategy.Initialize:
{
var count = repository.CountAsync <ConfigurationDocument>().GetAwaiter().GetResult();
if (count == 0)
{
InsertIfNotExists(repository);
}
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
void InsertIfNotExists(ICosmosRepository repository)
{
var manifest = repository.RetrieveAsync <ConfigurationDocument>()
.GetAwaiter().GetResult().Select(x => x.Key).ToImmutableHashSet();
var changedKeys = new HashSet <string>();
foreach (var(k, v) in configSeed.AsEnumerable())
{
if (manifest.Contains(k))
{
continue;
}
repository.CreateAsync(new ConfigurationDocument {
Key = k, Value = v
})
.GetAwaiter().GetResult();
changedKeys.Add(k);
}
Trace.TraceInformation(changedKeys.Count > 0
? $"Configuration updated the following keys: {string.Join(",", changedKeys)}"
: "Configuration is up to date.");
}
return(container);
}