/// <summary>
/// Ensure that an externally-facing Service resource does not exist for the specified database server.
/// </summary>
public async Task EnsureExternalServiceAbsent()
{
RequireCurrentState();
ServiceV1 existingExternalService = await FindExternalService();
if (existingExternalService != null)
{
Log.LogInformation("Deleting external service {ServiceName} for server {ServerId}...",
existingExternalService.Metadata.Name,
State.Id
);
StatusV1 result = await KubeClient.ServicesV1().Delete(
name: existingExternalService.Metadata.Name,
kubeNamespace: KubeOptions.KubeNamespace
);
if (result.Status != "Success" && result.Reason != "NotFound")
{
Log.LogError("Failed to delete external service {ServiceName} for server {ServerId} (Message:{FailureMessage}, Reason:{FailureReason}).",
existingExternalService.Metadata.Name,
State.Id,
result.Message,
result.Reason
);
}
Log.LogInformation("Deleted external service {ServiceName} for server {ServerId}.",
existingExternalService.Metadata.Name,
State.Id
);
}
}
/// <summary>
/// Get a single resource, returning <c>null</c> if it does not exist.
/// </summary>
/// <typeparam name="TResource">
/// The type of resource to retrieve.
/// </typeparam>
/// <param name="request">
/// An <see cref="HttpRequest"/> representing the resource to retrieve.
/// </param>
/// <param name="cancellationToken">
/// An optional <see cref="CancellationToken"/> that can be used to cancel the request.
/// </param>
/// <returns>
/// A <typeparamref name="TResource"/> representing the current state for the resource, or <c>null</c> if no resource was found with the specified name and namespace.
/// </returns>
protected async Task <TResource> GetSingleResource <TResource>(HttpRequest request, CancellationToken cancellationToken = default)
where TResource : class
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
using (HttpResponseMessage responseMessage = await Http.GetAsync(request, cancellationToken))
{
if (responseMessage.IsSuccessStatusCode)
{
return(await responseMessage.ReadContentAsAsync <TResource>());
}
// Ensure that HttpStatusCode.NotFound actually refers to the ReplicationController.
StatusV1 status = await responseMessage.ReadContentAsAsync <StatusV1, StatusV1>(HttpStatusCode.NotFound);
if (status.Reason != "NotFound")
{
throw new HttpRequestException <StatusV1>(responseMessage.StatusCode, status);
}
return(null);
}
}
/// <summary>
/// Create a new <see cref="KubeApiException"/> using the information contained in a Kubernetes status model.
/// </summary>
/// <param name="status">
/// The Kubernetes <see ref="StatusV1"/> model.
/// </param>
/// <param name="innerException">
/// The exception that caused the current exception to be raised.
/// </param>
public KubeApiException(StatusV1 status, Exception innerException)
: base(GetExceptionMessage(status), innerException)
{
if (innerException == null)
{
throw new ArgumentNullException(nameof(innerException));
}
Status = status;
}
/// <summary>
/// Check if an error was encountered in an event stream.
/// </summary>
/// <param name="line">
/// The current line in the event stream.
/// </param>
/// <param name="operationDescription">
/// A short description of the operation being performed (used in exception message if an error is encountered).
/// </param>
static void CheckForEventError(string line, string operationDescription)
{
JToken watchEvent = JToken.Parse(line);
if (!watchEvent.SelectToken("type").Value <string>().Equals("error", StringComparison.OrdinalIgnoreCase))
{
return;
}
StatusV1 status = watchEvent.SelectToken("object").ToObject <StatusV1>();
throw new KubeApiException($"Unable to {operationDescription}.", status);
}
public void PodV1Result_From_FailureStatus_ImplicitCast_Status()
{
var result = new KubeResourceResultV1 <PodV1>(new StatusV1
{
Status = "Failure",
Message = "Most definitely not a success."
});
StatusV1 status = result;
Assert.NotNull(status);
Assert.Equal("Failure", status.Status);
Assert.Equal("Most definitely not a success.", status.Message);
}
/// <summary>
/// Generate an exception message from a Kubernetes status model.
/// </summary>
/// <param name="status">
/// The Kubernetes <see cref="StatusV1"/> model.
/// </param>
/// <returns>
/// The exception message.
/// </returns>
protected static string GetExceptionMessage(StatusV1 status)
{
if (status == null)
{
return(DefaultMessage);
}
if (!String.IsNullOrWhiteSpace(status.Reason))
{
return($"{status.Reason}: {status.Message}");
}
if (!String.IsNullOrWhiteSpace(status.Message))
{
return(status.Message);
}
return(DefaultMessage);
}
/// <summary>
/// Ensure that a ServiceMonitor resource does not exist for the specified database server.
/// </summary>
public async Task EnsureServiceMonitorAbsent()
{
RequireCurrentState();
if (State.Kind != DatabaseServerKind.SqlServer)
{
Log.LogInformation("Skipping monitoring configuration for server {ServerId} (not SQL Server).", State.Id);
return;
}
PrometheusServiceMonitorV1 existingServiceMonitor = await FindServiceMonitor();
if (existingServiceMonitor != null)
{
Log.LogInformation("Deleting service monitor {ServiceName} for server {ServerId}...",
existingServiceMonitor.Metadata.Name,
State.Id
);
StatusV1 result = await KubeClient.PrometheusServiceMonitorsV1().Delete(
name: existingServiceMonitor.Metadata.Name,
kubeNamespace: KubeOptions.KubeNamespace
);
if (result.Status != "Success" && result.Reason != "NotFound")
{
Log.LogError("Failed to delete service monitor {ServiceName} for server {ServerId} (Message:{FailureMessage}, Reason:{FailureReason}).",
existingServiceMonitor.Metadata.Name,
State.Id,
result.Message,
result.Reason
);
}
Log.LogInformation("Deleted service monitor {ServiceName} for server {ServerId}.",
existingServiceMonitor.Metadata.Name,
State.Id
);
}
}
/// <summary>
/// Get a single resource, returning <c>null</c> if it does not exist.
/// </summary>
/// <typeparam name="TResource">
/// The type of resource to retrieve.
/// </typeparam>
/// <param name="request">
/// An <see cref="HttpRequest"/> representing the resource to retrieve.
/// </param>
/// <param name="cancellationToken">
/// An optional <see cref="CancellationToken"/> that can be used to cancel the request.
/// </param>
/// <returns>
/// A <typeparamref name="TResource"/> representing the current state for the resource, or <c>null</c> if no resource was found with the specified name and namespace.
/// </returns>
protected async Task <TResource> GetSingleResource <TResource>(HttpRequest request, CancellationToken cancellationToken = default)
where TResource : KubeResourceV1
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
using (HttpResponseMessage responseMessage = await Http.GetAsync(request, cancellationToken).ConfigureAwait(false))
{
if (responseMessage.IsSuccessStatusCode)
{
return(await responseMessage.ReadContentAsAsync <TResource>().ConfigureAwait(false));
}
// Ensure that HttpStatusCode.NotFound actually refers to the target resource.
StatusV1 status = await responseMessage.ReadContentAsStatusV1Async(HttpStatusCode.NotFound).ConfigureAwait(false);
if (status.Reason == "NotFound")
{
return(null);
}
// If possible, tell the consumer which resource type we had a problem with (helpful when all you find is the error message in the log).
(string itemKind, string itemApiVersion) = KubeObjectV1.GetKubeKind <TResource>();
string resourceTypeDescription =
!String.IsNullOrWhiteSpace(itemKind)
? $"{itemKind} ({itemApiVersion}) resource"
: typeof(TResource).Name;
throw new KubeApiException($"Unable to retrieve {resourceTypeDescription} (HTTP status {responseMessage.StatusCode}).",
innerException: new HttpRequestException <StatusV1>(responseMessage.StatusCode,
response: await responseMessage.ReadContentAsStatusV1Async(responseMessage.StatusCode).ConfigureAwait(false)
)
);
}
}
/// <summary>
/// Create a new <see cref="KubeClientException"/> using the information contained in a Kubernetes status model.
/// </summary>
/// <param name="status">
/// The Kubernetes <see ref="StatusV1"/> model.
/// </param>
public KubeClientException(StatusV1 status)
: base(GetExceptionMessage(status))
{
Status = status;
}
/// <summary>
/// Create a new <see cref="KubeApiException"/> using the information contained in a Kubernetes status model.
/// </summary>
/// <param name="message">
/// The exception message.
/// </param>
/// <param name="status">
/// The Kubernetes <see ref="StatusV1"/> model.
/// </param>
public KubeApiException(string message, StatusV1 status)
: base(message + Environment.NewLine + GetExceptionMessage(status))
{
Status = status;
}
public unsafe CombatantV1 GetCombatantFromByteArray(byte[] source, int combatantsListNumber)
{
int offset = 0;
CombatantV1 combatant = new CombatantV1();
fixed(byte *p = source)
{
combatant.Name = GetStringFromBytes(source, 48);
combatant.ID = *(uint *)&p[116];
combatant.OwnerID = *(uint *)&p[132];
if (combatant.OwnerID == 3758096384u)
{
combatant.OwnerID = 0u;
}
combatant.type = (ObjectType)p[140];
combatant.EffectiveDistance = p[146];
offset = 160;
combatant.PosX = *(Single *)&p[offset];
combatant.PosZ = *(Single *)&p[offset + 4];
combatant.PosY = *(Single *)&p[offset + 8];
combatant.Heading = *(Single *)&p[offset + 16];
/*
* combatantsListNumber == 0 の場合、すなわち自分自身のとき
* TargetID が取れないので、Targetのシグネチャから直接探して置き換える。
*
*/
if (combatantsListNumber == 0)
{
CombatantV1 currentTargetCombatant = null;
IntPtr currentTargetCombatantAddress = IntPtr.Zero;
byte[] currentTargetCombatantAddressSource = GetByteArray(Pointers[PointerType.Target].Address, 128);
unsafe
{
fixed(byte *p2 = currentTargetCombatantAddressSource) currentTargetCombatantAddress = new IntPtr(*(Int64 *)p2);
}
if (currentTargetCombatantAddress.ToInt64() <= 0)
{
combatant.TargetID = 0;
}
byte[] currentTargetCombatantSource = GetByteArray(currentTargetCombatantAddress, combatantDataSize);
currentTargetCombatant = GetCombatantFromByteArray(currentTargetCombatantSource, -1);
combatant.TargetID = currentTargetCombatant.ID;
}
else
{
combatant.TargetID = *(uint *)&p[5832];
if (combatant.TargetID == 3758096384)
{
combatant.TargetID = 0;
}
}
offset = 5960;
if (combatant.type == ObjectType.PC || combatant.type == ObjectType.Monster)
{
combatant.CurrentHP = *(int *)&p[offset + 8];
combatant.MaxHP = *(int *)&p[offset + 12];
combatant.CurrentMP = *(int *)&p[offset + 16];
combatant.MaxMP = *(int *)&p[offset + 20];
combatant.CurrentTP = *(short *)&p[offset + 24];
combatant.MaxTP = 1000;
combatant.Job = p[offset + 64];
combatant.Level = p[offset + 66];
// Status aka Buff,Debuff
combatant.Statuses = new List <StatusV1>();
const int StatusEffectOffset = 6152;
const int statusSize = 12;
int statusCountLimit = 60;
if (combatant.type == ObjectType.PC)
{
statusCountLimit = 30;
}
var statusesSource = new byte[statusCountLimit * statusSize];
Buffer.BlockCopy(source, StatusEffectOffset, statusesSource, 0, statusCountLimit * statusSize);
for (var i = 0; i < statusCountLimit; i++)
{
var statusBytes = new byte[statusSize];
Buffer.BlockCopy(statusesSource, i * statusSize, statusBytes, 0, statusSize);
var status = new StatusV1
{
StatusID = BitConverter.ToInt16(statusBytes, 0),
Stacks = statusBytes[2],
Duration = BitConverter.ToSingle(statusBytes, 4),
CasterID = BitConverter.ToUInt32(statusBytes, 8),
IsOwner = false,
};
if (status.IsValid())
{
combatant.Statuses.Add(status);
}
}
// Cast
combatant.Casting = new CastV1
{
ID = *(short *)&p[6900],
TargetID = *(uint *)&p[6912],
Progress = *(Single *)&p[6948],
Time = *(Single *)&p[6952],
};
}
else
{
combatant.CurrentHP =
combatant.MaxHP =
combatant.CurrentMP =
combatant.MaxMP =
combatant.MaxTP =
combatant.CurrentTP = 0;
combatant.Statuses = new List <StatusV1>();
combatant.Casting = new CastV1();
}
}
return(combatant);
}
public unsafe CombatantV1 GetCombatantFromByteArray(byte[] source)
{
int offset = 0;
CombatantV1 combatant = new CombatantV1();
fixed(byte *p = source)
{
combatant.Name = GetStringFromBytes(source, 48);
combatant.ID = *(uint *)&p[116];
combatant.OwnerID = *(uint *)&p[132];
if (combatant.OwnerID == 3758096384u)
{
combatant.OwnerID = 0u;
}
combatant.type = (ObjectType)p[140];
combatant.EffectiveDistance = p[146];
offset = 160;
combatant.PosX = *(Single *)&p[offset];
combatant.PosZ = *(Single *)&p[offset + 4];
combatant.PosY = *(Single *)&p[offset + 8];
combatant.Heading = *(Single *)&p[offset + 16];
combatant.TargetID = *(uint *)&p[5680];
offset = 5808;
if (combatant.type == ObjectType.PC || combatant.type == ObjectType.Monster)
{
combatant.CurrentHP = *(int *)&p[offset + 8];
combatant.MaxHP = *(int *)&p[offset + 12];
combatant.CurrentMP = *(int *)&p[offset + 16];
combatant.MaxMP = *(int *)&p[offset + 20];
combatant.CurrentTP = *(short *)&p[offset + 24];
combatant.MaxTP = 1000;
combatant.Job = p[offset + 62];
combatant.Level = p[offset + 64];
// Status aka Buff,Debuff
combatant.Statuses = new List <StatusV1>();
const int StatusEffectOffset = 5992;
const int statusSize = 12;
int statusCountLimit = 60;
if (combatant.type == ObjectType.PC)
{
statusCountLimit = 30;
}
var statusesSource = new byte[statusCountLimit * statusSize];
Buffer.BlockCopy(source, StatusEffectOffset, statusesSource, 0, statusCountLimit * statusSize);
for (var i = 0; i < statusCountLimit; i++)
{
var statusBytes = new byte[statusSize];
Buffer.BlockCopy(statusesSource, i * statusSize, statusBytes, 0, statusSize);
var status = new StatusV1
{
StatusID = BitConverter.ToInt16(statusBytes, 0),
Stacks = statusBytes[2],
Duration = BitConverter.ToSingle(statusBytes, 4),
CasterID = BitConverter.ToUInt32(statusBytes, 8),
IsOwner = false,
};
if (status.IsValid())
{
combatant.Statuses.Add(status);
}
}
// Cast
combatant.Casting = new CastV1
{
ID = *(short *)&p[6372],
TargetID = *(uint *)&p[6384],
Progress = *(Single *)&p[6420],
Time = *(Single *)&p[6424],
};
}
else
{
combatant.CurrentHP =
combatant.MaxHP =
combatant.CurrentMP =
combatant.MaxMP =
combatant.MaxTP =
combatant.CurrentTP = 0;
combatant.Statuses = new List <StatusV1>();
combatant.Casting = new CastV1();
}
}
return(combatant);
}