private static List <Func <object> > CatCommands(ElasticClient elastic)
{
return(new List <Func <object> >
{
() => elastic.CatAliases(new CatAliasesRequest()),
() => elastic.CatAllocation(new CatAllocationRequest()),
() => elastic.CatCount(new CatCountRequest()),
() => elastic.CatFielddata(new CatFielddataRequest()),
() => elastic.CatHealth(new CatHealthRequest()),
() => elastic.CatHelp(new CatHelpRequest()),
() => elastic.CatIndices(new CatIndicesRequest()),
() => elastic.CatMaster(new CatMasterRequest()),
() => elastic.CatNodeAttributes(new CatNodeAttributesRequest()),
() => elastic.CatNodes(new CatNodesRequest()),
() => elastic.CatPendingTasks(new CatPendingTasksRequest()),
() => elastic.CatPlugins(new CatPluginsRequest()),
() => elastic.CatRecovery(new CatRecoveryRequest()),
() => elastic.CatRepositories(new CatRepositoriesRequest()),
() => elastic.CatSegments(new CatSegmentsRequest()),
() => elastic.CatShards(new CatShardsRequest()),
// CatSnapshots is failing with a JSON deserialization error.
// It might be a bug in the client or an incompatibility between client
// and server versions.
// () => elastic.CatSnapshots(new CatSnapshotsRequest()),
() => elastic.CatTasks(new CatTasksRequest()),
() => elastic.CatTemplates(new CatTemplatesRequest()),
() => elastic.CatThreadPool(new CatThreadPoolRequest()),
});
}
private static List <Func <object> > CatCommands(ElasticClient elastic)
{
return(new List <Func <object> >
{
() => elastic.CatAliases(new CatAliasesRequest()),
() => elastic.CatAllocation(new CatAllocationRequest()),
() => elastic.CatCount(new CatCountRequest()),
() => elastic.CatFielddata(new CatFielddataRequest()),
() => elastic.CatHealth(new CatHealthRequest()),
() => elastic.CatHelp(new CatHelpRequest()),
() => elastic.CatIndices(new CatIndicesRequest()),
() => elastic.CatMaster(new CatMasterRequest()),
() => elastic.CatNodeAttributes(new CatNodeAttributesRequest()),
() => elastic.CatNodes(new CatNodesRequest()),
() => elastic.CatPendingTasks(new CatPendingTasksRequest()),
() => elastic.CatPlugins(new CatPluginsRequest()),
() => elastic.CatRecovery(new CatRecoveryRequest()),
() => elastic.CatRepositories(new CatRepositoriesRequest()),
() => elastic.CatSegments(new CatSegmentsRequest()),
() => elastic.CatShards(new CatShardsRequest()),
() => elastic.CatSnapshots(new CatSnapshotsRequest()),
() => elastic.CatTasks(new CatTasksRequest()),
() => elastic.CatTemplates(new CatTemplatesRequest()),
() => elastic.CatThreadPool(new CatThreadPoolRequest()),
});
}
public Dictionary <string, string> GetAllAliases(string prefix)
{
var allAliases = _client.CatAliases();
var myAliases = allAliases.Records.Where(x => x.Index.StartsWith(prefix)).ToDictionary(x => x.Alias, y => y.Index);
return(myAliases);
}
public ElasticsearchResponse GetElasticHealth(IEnumerable <Uri> uris, IEnumerable <string> requiredAliases, string environment)
{
try
{
using (var connectionSettings = new ConnectionSettings(new StaticConnectionPool(uris)))
{
var elasticClient = new ElasticClient(connectionSettings);
var catAliases = elasticClient
.CatAliases()
.Records
.Where(m => m.Alias.StartsWith(environment)).ToList();
var rawAliases = catAliases.Select(al => al.Alias.Replace(environment, string.Empty));
var aliases = new List <ElasticsearchAlias>();
foreach (var catAlias in catAliases)
{
var index = elasticClient.CatIndices(m => m.Index(catAlias.Index));
aliases.Add(new ElasticsearchAlias
{
AliasName = catAlias.Alias,
IndexName = catAlias.Index,
Status = index.Records.FirstOrDefault()?.Status,
DocumentCount = index.Records.FirstOrDefault()?.DocsCount,
Health = index.Records.FirstOrDefault()?.Health
});
}
return(new ElasticsearchResponse
{
RequiredAliasesExist = requiredAliases.All(al => rawAliases.Contains(al)),
ElasticsearchAliases = aliases
});
}
}
catch (Exception exception)
{
_logger.Warn(exception, "Not able to get aliases");
return(new ElasticsearchResponse {
ElasticsearchAliases = new List <ElasticsearchAlias>(), Exception = exception
});
}
}
public ICatResponse <CatAliasesRecord> AliasList()
{
var request = new CatAliasesRequest();
return(client.CatAliases(request));
}
