public async Task <HttpResponseData> SearchStates([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = "testhooks/nodeOperations/searchStates")] HttpRequestData req)
{
_log.Info("search states");
var query = UriExtension.GetQueryComponents(req.Url);
Guid?poolId = UriExtension.GetGuid("poolId", query);
Guid?scaleSetId = UriExtension.GetGuid("scaleSetId", query);
List <NodeState>?states = default;
if (query.ContainsKey("states"))
{
states = query["states"].Split('-').Select(s => Enum.Parse <NodeState>(s)).ToList();
}
string?poolNameString = UriExtension.GetString("poolName", query);
PoolName?poolName = poolNameString is null ? null : PoolName.Parse(poolNameString);
var excludeUpdateScheduled = UriExtension.GetBool("excludeUpdateScheduled", query, false);
int?numResults = UriExtension.GetInt("numResults", query);
var r = _nodeOps.SearchStates(poolId, scaleSetId, states, poolName, excludeUpdateScheduled, numResults);
var json = JsonSerializer.Serialize(await r.ToListAsync(), EntityConverter.GetJsonSerializerOptions());
var resp = req.CreateResponse(HttpStatusCode.OK);
await resp.WriteStringAsync(json);
return(resp);
}
public async Async.Task Run([TimerTrigger("00:01:30")] TimerInfo t)
{
// NOTE: Update pools first, such that scalesets impacted by pool updates
// (such as shutdown or resize) happen during this iteration `timer_worker`
// rather than the following iteration.
var pools = _poolOps.SearchAll();
await foreach (var pool in pools)
{
if (PoolStateHelper.NeedsWork.Contains(pool.State))
{
_log.Info($"update pool: {pool.PoolId} ({pool.Name})");
await _poolOps.ProcessStateUpdate(pool);
}
}
// NOTE: Nodes, and Scalesets should be processed in a consistent order such
// during 'pool scale down' operations. This means that pools that are
// scaling down will more likely remove from the same scalesets over time.
// By more likely removing from the same scalesets, we are more likely to
// get to empty scalesets, which can safely be deleted.
await _nodeOps.MarkOutdatedNodes();
await _nodeOps.CleanupBusyNodesWithoutWork();
var nodes = _nodeOps.SearchStates(states: NodeStateHelper.NeedsWorkStates);
await foreach (var node in nodes)
{
_log.Info($"update node: {node.MachineId}");
await _nodeOps.ProcessStateUpdate(node);
}
var scalesets = _scaleSetOps.SearchAll();
await foreach (var scaleset in scalesets)
{
await ProcessScalesets(scaleset);
}
}