public async Task TransitionStateAsync(HostInfo host, HostStatus newStatus)
{
#region Preconditions
Validate.NotNull(host, nameof(host));
if (newStatus == default)
{
throw new ArgumentException("Required", nameof(newStatus));
}
#endregion
if (host.Status == newStatus)
{
return; // no change
}
var cluster = await clusterService.GetAsync(host.ClusterId);;
// from pending | suspended
if (newStatus == HostStatus.Running)
{
// register the host with the cluster
await clusterManager.RegisterHostAsync(cluster, host);
}
await db.Hosts.PatchAsync(host.Id, new[] {
Change.Replace("status", newStatus)
});
}