private static async Task ProcessTagAddedEvent(TagsRepository tagrepo, TagAddedEvent evt)
{
switch (evt.Tag.Name)
{
case "step":
await tagrepo.RemoveTagFromHost(evt.TagId, evt.HostId);
var tags = await tagrepo.GetTagsForHost(evt.Host.Id);
if (!tags.Any(x => x.Name == "prepare") && !tags.Any(x => x.Name == "restart") && !tags.Any(x => x.Name == "complete"))
{
await tagrepo.AddTagToHost("prepare", evt.HostId);
}
else if (tags.Any(x => x.Name == "prepare") && !tags.Any(x => x.Name == "restart") && !tags.Any(x => x.Name == "complete"))
{
await tagrepo.RemoveTagFromHost("prepare", evt.HostId);
await tagrepo.AddTagToHost("restart", evt.HostId);
}
else if (!tags.Any(x => x.Name == "prepare") && tags.Any(x => x.Name == "restart") && !tags.Any(x => x.Name == "complete"))
{
await tagrepo.RemoveTagFromHost("restart", evt.HostId);
await tagrepo.AddTagToHost("complete", evt.HostId);
}
break;
}
}
internal async Task <bool> LoopProcessor(EventRepository eventrepo, TagsRepository tagrepo, HostStatesRepository staterepo)
{
if (!eventrepo.HasElements)
{
return(false);
}
var appevent = await eventrepo.Dequeue();
if (appevent == null)
{
return(true);
}
switch (appevent)
{
case TagAddedEvent evt:
await ProcessTagAddedEvent(tagrepo, evt);
break;
case TagRemovedEvent evt:
break;
case HostOnlineEvent evt:
if (staterepo
.GetForHost(evt.HostId, 5)
.All(x =>
x.Status == HostState.StatusEnum.Online ||
x.Status == HostState.StatusEnum.Warning ||
x.Status == HostState.StatusEnum.Critical) &&
!(await tagrepo.GetTagsForHost(evt.HostId)).Any(x => x.Name == "online"))
{
if (!(await tagrepo.GetTagsForHost(evt.HostId)).Any(x => x.Name == "offline"))
{
break;
}
await tagrepo.AddTagToHost("online", evt.HostId);
await tagrepo.RemoveTagFromHost("offline", evt.HostId);
}
break;
case HostOfflineEvent evt:
if (staterepo
.GetForHost(evt.HostId, 5)
.All(x => x.Status == HostState.StatusEnum.Offline) &&
!(await tagrepo.GetTagsForHost(evt.HostId)).Any(x => x.Name == "offline"))
{
await tagrepo.AddTagToHost("offline", evt.HostId);
await tagrepo.RemoveTagFromHost("online", evt.HostId);
}
break;
default:
_logger.LogError($"Unknown event type {appevent.ToString()}");
break;
}
return(true);
}