private async Task ScaleUp(V1StatefulSet item)
{
var patch = new JsonPatchDocument <V1Deployment>();
patch.Replace(e => e.Spec.Replicas, item.Spec.Replicas.GetValueOrDefault() + 1);
await State.Client.PatchNamespacedStatefulSetScaleAsync(new V1Patch(patch), item.Metadata.Name, item.Metadata.NamespaceProperty);
}
private async Task ScaleDown(V1StatefulSet item)
{
if (!item.Spec.Replicas.HasValue || item.Spec.Replicas.Value == 0)
{
return;
}
var patch = new JsonPatchDocument <V1StatefulSet>();
patch.Replace(e => e.Spec.Replicas, item.Spec.Replicas.Value - 1);
await State.Client.PatchNamespacedStatefulSetScaleAsync(new V1Patch(patch), item.Metadata.Name, item.Metadata.NamespaceProperty);
}
private async Task Update()
{
Item = await State.Client.ReadNamespacedStatefulSetAsync(Name, Namespace);
StateHasChanged();
}
private bool AddStatefulSet(DeployArg arg)
{
var body = new V1StatefulSet
{
Metadata = new V1ObjectMeta
{
Name = GlobalSetting.LighthouseName,
Labels = new Dictionary <string, string> {
{ "name", GlobalSetting.LighthouseName }
}
},
Spec = new V1StatefulSetSpec
{
Selector = new V1LabelSelector
{
MatchExpressions = new List <V1LabelSelectorRequirement>
{
new V1LabelSelectorRequirement("name", "In", new List <string> {
GlobalSetting.LighthouseName
})
}
},
ServiceName = GlobalSetting.LighthouseServiceName,
Replicas = Replicas,
Template = new V1PodTemplateSpec
{
Metadata = new V1ObjectMeta
{
Labels = new Dictionary <string, string> {
{ "name", GlobalSetting.LighthouseName }
}
},
Spec = new V1PodSpec
{
Containers = new List <V1Container>
{
new V1Container
{
Name = GlobalSetting.LighthouseName,
Image = "aelf/node:test",
ImagePullPolicy = "Always",
Ports = new List <V1ContainerPort>
{
new V1ContainerPort(Port)
},
Env = new List <V1EnvVar>
{
new V1EnvVar
{
Name = "POD_NAME",
ValueFrom = new V1EnvVarSource {
FieldRef = new V1ObjectFieldSelector("metadata.name")
}
}
},
Command = new List <string> {
"dotnet", "AElf.Concurrency.Lighthouse.dll"
},
Args = new List <string> {
"--actor.host", "$(POD_NAME)." + GlobalSetting.LighthouseServiceName, "--actor.port", Port.ToString()
},
VolumeMounts = new List <V1VolumeMount>
{
new V1VolumeMount("/app/aelf/config", "config")
}
}
},
Volumes = new List <V1Volume>
{
new V1Volume
{
Name = "config",
ConfigMap = new V1ConfigMapVolumeSource {
Name = "config-common"
}
}
}
}
}
}
};
var result = K8SRequestHelper.GetClient().CreateNamespacedStatefulSet(body, arg.SideChainId);
var set = K8SRequestHelper.GetClient().ReadNamespacedStatefulSet(result.Metadata.Name, arg.SideChainId);
var retryGetCount = 0;
var retryDeleteCount = 0;
while (true)
{
if (set.Status.ReadyReplicas.HasValue && set.Status.ReadyReplicas.Value == Replicas)
{
break;
}
if (retryGetCount > GlobalSetting.DeployRetryTime)
{
DeletePod(arg);
retryDeleteCount++;
retryGetCount = 0;
}
if (retryDeleteCount > GlobalSetting.DeployRetryTime)
{
return(false);
}
retryGetCount++;
Thread.Sleep(3000);
set = K8SRequestHelper.GetClient().ReadNamespacedStatefulSet(result.Metadata.Name, arg.SideChainId);
}
return(true);
}
private async Task <string> DescribeObject(Kubernetes client, V1Namespace ns, V1StatefulSet o, StringBuilder buffer)
{
var fetched = await client.ReadNamespacedStatefulSetAsync(o.Metadata.Name, ns.Metadata.Name).ConfigureAwait(false);
buffer.AppendLine($"API Veresion: {fetched.ApiVersion}");
buffer.AppendLine($"Kind: {fetched.Kind}");
buffer.AppendLine(DescribeMetadata(fetched.Metadata));
return($"Stateful Set - {fetched.Metadata.Name}");
}
private bool AddStatefulSet(DeployArg arg)
{
var body = new V1StatefulSet
{
Metadata = new V1ObjectMeta
{
Name = GlobalSetting.RedisName,
Labels = new Dictionary <string, string> {
{ "name", GlobalSetting.RedisName }
}
},
Spec = new V1StatefulSetSpec
{
Selector = new V1LabelSelector
{
MatchExpressions = new List <V1LabelSelectorRequirement>
{
new V1LabelSelectorRequirement("name", "In", new List <string> {
GlobalSetting.RedisName
})
}
},
ServiceName = GlobalSetting.RedisServiceName,
Replicas = Replicas,
Template = new V1PodTemplateSpec
{
Metadata = new V1ObjectMeta
{
Labels = new Dictionary <string, string> {
{ "name", GlobalSetting.RedisName }
}
},
Spec = new V1PodSpec
{
Containers = new List <V1Container>
{
new V1Container
{
Name = GlobalSetting.RedisName,
Image = "redis",
Ports = new List <V1ContainerPort> {
new V1ContainerPort(arg.DBArg.Port)
},
Command = new List <string> {
"redis-server"
},
Args = new List <string> {
"/redis/redis.conf"
},
VolumeMounts = new List <V1VolumeMount>
{
new V1VolumeMount("/redisdata", "data"),
new V1VolumeMount("/redis", "config")
}
}
},
Volumes = new List <V1Volume>
{
new V1Volume
{
Name = "data",
EmptyDir = new V1EmptyDirVolumeSource()
},
new V1Volume
{
Name = "config",
ConfigMap = new V1ConfigMapVolumeSource
{
Name = GlobalSetting.RedisConfigName,
Items = new List <V1KeyToPath>
{
new V1KeyToPath
{
Key = "config-redis",
Path = "redis.conf"
}
}
}
}
}
}
}
}
};
var result = K8SRequestHelper.GetClient().CreateNamespacedStatefulSet(body, arg.SideChainId);
var set = K8SRequestHelper.GetClient().ReadNamespacedStatefulSet(result.Metadata.Name, arg.SideChainId);
var retryGetCount = 0;
var retryDeleteCount = 0;
while (true)
{
if (set.Status.ReadyReplicas.HasValue && set.Status.ReadyReplicas.Value == Replicas)
{
break;
}
if (retryGetCount > GlobalSetting.DeployRetryTime)
{
DeletePod(arg.SideChainId, arg);
retryDeleteCount++;
retryGetCount = 0;
}
if (retryDeleteCount > GlobalSetting.DeployRetryTime)
{
return(false);
}
retryGetCount++;
Thread.Sleep(3000);
set = K8SRequestHelper.GetClient().ReadNamespacedStatefulSet(result.Metadata.Name, arg.SideChainId);
}
return(true);
}
private async Task Delete(V1StatefulSet item)
{
await State.Client.DeleteNamespacedDeploymentAsync(item.Metadata.Name, item.Metadata.NamespaceProperty);
}
/// <summary>
/// Restarts a <see cref="V1StatefulSet"/>.
/// </summary>
/// <param name="statefulset">The deployment being restarted.</param>
/// <param name="k8s">The <see cref="IKubernetes"/> client to be used for the operation.</param>
/// <returns>The tracking <see cref="Task"/>.</returns>
public static async Task RestartAsync(this V1StatefulSet statefulset, IKubernetes k8s)
{
await SyncContext.Clear;
Covenant.Requires <ArgumentNullException>(k8s != null, nameof(k8s));
// $todo(jefflill):
//
// Fish out the k8s client from the statefulset so we don't have to pass it in as a parameter.
var generation = statefulset.Status.ObservedGeneration;
var patchStr = $@"
{{
""spec"": {{
""template"": {{
""metadata"": {{
""annotations"": {{
""kubectl.kubernetes.io/restartedAt"": ""{DateTime.UtcNow.ToString("s")}""
}}
}}
}}
}}
}}";
await k8s.PatchNamespacedStatefulSetAsync(new V1Patch(patchStr, V1Patch.PatchType.MergePatch), statefulset.Name(), statefulset.Namespace());
await NeonHelper.WaitForAsync(
async() =>
{
try
{
var newDeployment = await k8s.ReadNamespacedStatefulSetAsync(statefulset.Name(), statefulset.Namespace());
return(newDeployment.Status.ObservedGeneration > generation);
}
catch
{
return(false);
}
},
timeout : TimeSpan.FromSeconds(300),
pollInterval : TimeSpan.FromMilliseconds(500));
await NeonHelper.WaitForAsync(
async() =>
{
try
{
statefulset = await k8s.ReadNamespacedStatefulSetAsync(statefulset.Name(), statefulset.Namespace());
return((statefulset.Status.Replicas == statefulset.Status.ReadyReplicas) && statefulset.Status.UpdatedReplicas == null);
}
catch
{
return(false);
}
},
timeout : TimeSpan.FromSeconds(300),
pollInterval : TimeSpan.FromMilliseconds(500));
}
