ReplicaSet is the next-generation ReplicationController that supports the new set-based label selector. Let’s create a replicaset to understand this. kind: 오브젝트 종류를 명시하는 항목으로 ReplicaSet으로 지정합니다. It's a cheap solution but it's not that big an issue either. Then, it internally creates Pods inside that ReplicaSet. You can put in there the configuration you want (for example take inspiration by the blog post you linked) and it will be used by Prometheus to handle the alerts. The first Spec lets you declare what the ReplicaSet should appear like and the. This is a template that may be useful: kubectl expose rs <REPLICASET_NAME> --port=<PORT> --target-port=<TARGET_PORT> --type=NodePort The most important flags are: NOTE: Detailed information on this command can be found. Create a deployment manifest yaml file - deployment. Saved searches Use saved searches to filter your results more quicklyFor instance, ReplicaSet invalidates its cache when the selector changes. See Writing a Deployment Spec for more details. Kubernetes troubleshooting is the process of identifying, diagnosing, and resolving issues in Kubernetes clusters, nodes, pods, or containers. 在旧版本的Kubernetes中,只有ReplicationController对象。. spec: containers: - name: app-container. kubectl get replicaset. If you use Deployments to manage your Kubernetes workloads, and most people do, then they will leave behind one ReplicaSet for each change you make. This branch is 1 commit ahead of go-oauth2:master . Does Kubernetes GET API actually support fieldSelector parameter to query values of array fields?. I tried it with several different files and also the samples from the K8s documentation, but all result in this failure. Configure an S3 bucket to use as the S3 snapshot store. In this example, the command will fetch all Pods that have the. 1. docker run <image id from build> Share Improve this answerHere is the sample template for single PersistentVolumeClaim with name : claim1 apiVersion: "v1" kind: "PersistentVolumeClaim" metadata: name: "claim1" spec: accessModes: - "ReadWriteOnce"For ReplicaSets, the kind is always a ReplicaSet. When you are managing ReplicaSet using Deployment You can also use a Deployment to create a new revision of a ReplicaSet and then migrate existing pods. yaml": no matches for apps/, Kind=ReplicaSet . Does anyone know what I need to do in order to write successfully? This cluster is a 3-node replicaset with one primary and two secondaries. Sorted by: 1. 8-eks-7c9bda Webhook Version: How do. If you don't already have Octopus. This name will become the basis for the ReplicaSets and Pods which are created later. Build your first docker image. Spinnaker acknowledges this relationship with the blue load balancer icon on a workload as shown here: You can also tell Spinnaker which Service objects a workload should be associated with for its lifetime using the. We'll try to identify the cause based on these. Note the client provided takes precedence over the configured transport values. Share. A ReplicaSet's purpose is to maintain a stable set of replica Pods running at any given time. This lab. A ReplicaSet (RS) is a Kubernetes object that ensures there is always a stable set of running pods for a specific workload. ReplicaSetCondition describes the state of a replica set at a certain point. ) . StatefulSet (stable-GA in k8s v1. The continue option should be set when retrieving more results from the server. Is that possible ?リソース 役割; Deployment: ReplicaSetを生成、管理しローリングアップデートやロールバックといったデプロイ管理を行います。: ReplicaSet: 同じ仕様のPodのレプリカ数を管理します。ReplicationControllerの後継に当たるものです。: Pod: アプリケーションを動かすための最小単位。kubectl create -f replicaset. replicas: It. For clarification - I meant container. . We need k8s to automatically start a pod if the pod prematurely dies or when a node failure happens. apiVersion: apps/v1 kind: ReplicaSet metadata: name: frontend labels: app: guestbook tier: frontend; The first two fields are straightforward and constant, so they never change. Its functionality is based on the notion of desired vs. The basic format is <server_name> <keytype> <base64-encoded_key>, one entry per line. 1 Answer. Create a folder called /kubernetes_experiments and in that folder run. The user can specify a different scheduler for the Pods of the DaemonSet, by setting the . 5. ReplicaSetは指定された数のPodを複製し、実行してくれる。. kind: ReplicaSet. ReplicaSet 管理所有标签匹配与标签选择器的 Pod。. 3. Admission control is fundamental to policy enforcement in Kubernetes. The selector is used to identifying the Pods it can acquire. Using a custom Docker Image and Deployments A ReplicaSet ensures that a specified number of Pod replicas are running continuously and helps with load-balancing in case of an increase in resource usage. The above RS manifest file uses a ReplicaSet to run three copies of the my-image: latest container image. labels: my-label: my-value. Replica Set use Set-Based selectors while replication controllers use Equity. The selector is used to identifying the Pods it can acquire. {key: tier, operation: In, values:. The third type of MongoDB node that comes in handy during replication is an arbiter. It. As an alternative to using this procedure, you can use. If a Pod from the ReplicaSet fails, it automatically creates an additional Pod from the. below is the yaml file: kind: type of object trying to be created. There's an example at the bottom of this blog post by. In this lab, you'll create your first Kubernetes Pod. replicas: 5 indicates that you want to maintain five replicas of the. 说到ReplicaSet对象,得先说说ReplicationController(简称为RC)。. ReplicaSet There is no direct way I could find to create this from kubectl. When a ReplicaSet needs to create new Pod(s), it uses its Pod template. A ReplicaSet’s purpose is to maintain a stable set of replica Pods running at any given time. A ReplicaSet represents a group of Pod replicas (exact copies of a Pod). replicas field in the manifest. Setup KinD. Deployments configure apps in a generic way. OpenShift Container Platform の Deployment および DeploymentConfig は、一般的なユーザーアプリケーションに対する詳細な管理を行うためのよく似ているものの、異なる 2 つの方法を提供します。. kubectl create -f my-replica-set. The example below creates a ReplicaSet using a YAML file:. list or watch objects of kind ReplicaSet. metadata. Try using one envFrom with multiple entries under it as below: - name: integration-app image: my-container-image envFrom: - secretRef: name: intercom-secret - secretRef: name: paypal-secret - secretRef: name: postgres-secret - secretRef: name: redis-secret. The job of a ReplicaSet is to maintain a stable number of pod copies or replicas. In this article. As such, it is often used to guarantee the availability of a specified number of identical Pods. It default to 1 if it was not. More broadly defined, Kubernetes troubleshooting also includes effective ongoing management of faults and taking measures to prevent issues in Kubernetes components. Its purpose is to maintain the specified number of Pod instances running in a cluster at any given time to prevent users from losing access to their application when a Pod fails or is inaccessible. Deployments. The template includes specifications such as container. 1. Deploy a MongoDB database resource for the blockstore in the same namespace as the Ops Manager resource. Besides that, it has a spec that specifies that it should make sure that there is always 3 replicas of pods that match the specified label selector in the cluster. Having said that, the arbiter does take part in elections for the primary. The ReplicaSet is also responsible for creating and managing pods based on a template specification. template. yml manifest and use kubectl create or. This name will become the basis for the ReplicaSets and Pods which are created later. kubectl delete $ (kubectl get all | grep replicaset. You can use the kind: deployment can check kubectl get rc still replica set will be there. So the apiVersion of ReplicaSet will be apps/v1. Kubernetes creates a new ReplicaSet each time after the new Deployment config is deployed and. ReplicaSet is an evolution of ReplicationController. A ReplicaSet is a set of identical backup Pods maintained on the backend side to ensure a Pod is always available. 이번에는 쿠버네티스의 대표적인 워크로드 리소스인 레플리카셋(ReplicaSet), 디플로이먼트(Deployment), 스테이트풀셋(StatefulSet), 데몬셋(DaemonSet)을 살펴본다. spec: replicas: 3. Hence the yaml should be as below. A ReplicaSet is a Kubernetes resource used to maintain a specified number of identical pod replicas within a cluster. We have some Openshift Deployments. . Another approach to attain replication is by using Deployments. Since this value is server defined, clients may only use the continue value from a previous query result with identical query parameters (except for. You will get the following output: NAME SCANNER AGE CRITICAL HIGH MEDIUM LOW replicaset-mattermost-app-59d45 Trivy 4m33s 0 0 2 6. In kubernetes 1. For ReplicaSets, the kind is always a ReplicaSet. I have a pod in my EKS cluster and I want to edit it's yaml so that I can change the read-only values from true to false. In a nutshell label selectors depend on labels to select a group of resources such as pods. 3. The. The ReplicaSet is a very useful basic building block in Kubernetes that other objects, like the Deployment object, rely on. 2. The operator creates a config (and updates it) for the agent’s sidecar container responsible for configuring MongoDB in each Pod. Provide details and share your research! But avoid. Core, Mongodb. Sorted by: 77. apps and replicaset. metadata. The trailing ReplicaSets that you can see after deployment deletion depends of the Revision History Limit that you have in your Deployment. In this article. 1 Answer. Instead of ReplicaSet, you can use Deployment or StatefulSet. Deployments have two main disadvantages compared with StatefulSets and DaemonSets. The following procedure describes how to configure to generate certificates for MongoDB Kubernetes Operator resources. In fact, you need to forget about the notion of pod. The operator creates a config (and updates it) for the agent’s sidecar container responsible for configuring MongoDB in each Pod. metadata. So I'm trying to connect to the MongoDB replica set from a mongo shell installed on my local system. StatefulSets. MongoDBCommunity metadata: name: example-mongodb spec: members: 3 type: ReplicaSet version: "4. Xin chào các bạn, chúng ta lại tiếp tục với series k8s basic để cùng nhau làm quen với k8s. Improve this answer. The same behavior will be available even with deployment sets. As such, it is often used to guarantee the availability of a specified number of identical Pods. It manages the deployment and scaling of a set of Pods, and provides guarantee about the ordering and uniqueness of these Pods. Below is the YAML I'm using for the deployment . These lines are: apiVersion: apps/v1. Untuk ReplicaSet, nilai dari kind yang memungkinkan hanyalah ReplicaSet. The number of replicas is 3. spec is where you define the desired state and specifications for the ReplicaSet. The other possible approach to attain replication is by using ReplicaSet. template. After creating a NodePort Service Type I am getting errors that the local dns names cannot be resolved. kubectl create -f kubia-replicaset. It is an open-source, general purpose, document-based, distributed NoSQL database server that is especially popular with JavaScript projects. このリソースは直接使用することは少ないが、次に出てくるDeploymentを抑える上で理解が進むのでやっていこう。. kind: ReplicaSet → We have defined the kind as the replica set which helps kubectl to understand that the file is used to create a replica set. metadata: name: my-replicaset. my-image:latest. 2 then MongoDBCommunity v6. deployment "my-nginx" created. 这允许在不影响运行中的 Pod 的情况下替换副本集。. metadata. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. ObservedGeneration reflects the generation of the most recently observed ReplicaSet. The pods are called replicas and are the mechanism of availability in Kubernetes. Each rollback updates the revision of the Deployment. The above RS manifest file uses a ReplicaSet to run three copies of the my-image: latest container image. Deployments can do the following; Create instances of running applications as ReplicaSets. conditions. The continue option should be set when retrieving more results from the server. string. This is an essential mechanism for managing and scaling the Pods in a Kubernetes cluster. The config is saved to the Kubernetes Secret. However we also want to delete the replicasets and pods that below to 'our-deployment-name'. La version de l'API apps/v1beta2 est obsolète. The arbiter node doesn’t have a copy of the data set and can’t become a primary. kubectl apply -f redis-pod. Via a label selector, the client/user can identify a set of objects. ReplicaSet: It is an object that ensures a specified number of identical pod replicas are running at all times. apiVersion: extensions/v1beta1 kind: ReplicaSet metadata: name: rep-with-vol2 spec:. For example, I have a Pod like: apiGroup: v1 kind: Pod metadata: ownerReferences: - apiVersion: apps/v1 blockOwnerDeletion: true controller: true kind: ReplicaSet name: grpc-ping-r7f8r-deployment-54d688d777 uid: 262bab1a-1c79-11ea. Here, this replicaset will monitor Pods with the label tier: frontend. In the ownerReferences, the name of the owner is set to hello, and the kind is set to ReplicaSet. allowWatchBookmarks requests watch events with type "BOOKMARK". Here name and labels are. When we deploy this replicaset it will create 3 Pods from this template. Delete the ReplicaSet Let's clean up before we move on. Kubernetes is only told what it can work with by the apiVersion and kind parameters, which should never be different. com, mongo-replicaset-1. Refer to the first lines of the frontend. you can type. To create and set up the Kubernetes replica set, we have to follow the below steps: 1. cluster. It weren’t there in the initial apiVersion and the kind is ReplicaSet. In the above screenshot we will find out the, shortcut of that service (rs), apiVersion (apps/v1), kind (ReplicaSet) and true means its supports Namespace. APIVersion defines the versioned schema of this representation of an object. DaemonSetは、ReplicaSetの特殊な形のリソースになります。Replicasetは、各Nodeに均等に配置されるものではないが、DaemonSetは各Nodeに確実に1つずつPodを配置します。 そのため、レプリカ数の指定はできなく、1つのNodeに2つのPodを配置することもできません。The alerts and rules keys in the serverFiles group of the values. Consider this: The pods are not directly managed by a deployment, but a deployment manages a ReplicaSet. The controller that Kubernetes going to create through YAML file will be defined by the parameter kind which will be set as ReplicaSet in this case. Use this procedure to deploy a new replica set that Ops Manager. 5. This is the file for the ReplicaSet: apiVersion: apps/v1 kind: ReplicaSet metadata: name: myapp-replicaset labels: app: myapp spec: selector: matchLabels: env: production name: nginx replicas: 3 template: metadata: name: nginx. collection: Conditional: Add this parameter and values if you need your database to be accessed outside of Kubernetes. Most common metadata: name. Kubernetes deployment drawbacks. A ReplicaSet identifies new Pods to acquire by using its selector. The Deployment creates a ReplicaSet that creates three replicated Pods, indicated by the . metadata: It contains the metadata for the ReplicaSet, such as its name. Code. func NewForConfigAndClient (c * rest. Here is an example ConfigMap object using the output from ssh-keyscan above: The argocd-ssh-known-hosts-cm ConfigMap will be mounted as a volume at the mount path /app/config/ssh in the pods of argocd-server and argocd-repo-server. Pod template: ReplicaSet uses a pod template to create and manage the replicated pods. ReplicaSet. Rest all is same as the replication controller. Filter them further to find the one with the correct revision number. Query parameters; Parameter Type Description; allowWatchBookmarks. apiVersion and kind specify the API version and resource type, respectively, indicating that this is a ReplicaSet. By default, 10 old ReplicaSets will be kept. Figure 6. Additional fields in . Match the metadata. The container should be named as also make sure replicas counts are 4. Delete the ReplicaSet Let's clean up before we move on. Table 7. The following command installs the MongoDB Enterprise Kubernetes Operator in the mongodb namespace with the optional --create-namespace option. The manifest above would run three replicas of the . 3. You can define the number of replicas you want to run on the cluster with the replicasparameter in ReplicaSet definition. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer?. 9 版本中,API. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. tier: Backend → We have defined the label tier as backend which creates a matching selector. yml fileNow delete a pod, while watching pods: kubectl delete pod rs-quarkus-demo-mlnng. ReplicaSet ensures that defined numbers of pods are running on the cluster at a given time. We also define a number of labels through which we can identify it. spec. Kubernetes docs talk more about it. - apiVersion: apps/v1 kind: ReplicaSet name: router-default-66d5cf9464 uid: d81dd094-da26-11e9-a48a-128e7edf0312 controller: true blockOwnerDeletion: true. This name will become the basis for the ReplicaSets and Pods which are created later. . selector: # Pods label should be defined in ReplicaSet label selector matchLabels: app: myapp2 template: metadata: name: myapp2-pod labels: app: myapp2 # Atleast 1 Pod label should match with ReplicaSet Label Selector spec. When the control plane creates new Pods for a ReplicaSet, the . Kubernetes 1. The spec part is mandatory in the ReplicaSet object. Once our ReplicaSet template gets ready. you can't create replicaset without spec. 9, la version de l'API apps/v1 pour le type ReplicaSet est la version actuelle et activée par défaut. To create a replica said execute the following command. We will create one . yml kubectl get replicaset kubectl get pods In. When the control plane creates new Pods for a ReplicaSet, the . apps/v1 blockOwnerDeletion: true controller: true kind: ReplicaSet name: nginx-d-5b686ccd46 uid: 7eb8fdaf-bfe7-4647-9180-43148a036184 resourceVersion: "556" More. To do this we will write a YAML configuration. kind: ReplicaSet. kubectl get pods. Metadata:-it contains the information related to ReplicaSet. Kubernetes の実践. 오늘은 ReplicaSet의 이해를 위해 kind: ReplicaSet 을 명시해서 예제를 작성하겠지만 실제로 클러스터를 구성해서 사용할 때는 ReplicaSet을 별도로 정의해서 사용하기보다, Deployment를 정의하는 spec에 replicas: 3 과 같이 간단히 정의해서 ReplicaSet을 사용할 수 있다. Seperti objek API Kubernetes lainnya, sebuah ReplicaSet membutuhkan field apiVersion, kind, dan metadata. When you create a ReplicaSet, you are essentially telling Kubernetes that you want a specific pod replicated x amount of times. name 是命名这些 Pod 的部分基础。 ReplicaSet 的名称必须是一个合法的 DNS 子域 值, 但这可能对 Pod 的主机名产生意外. selector: matchLabels: my-label: my-value. ; You can check a Pod's status (which is a. This feature allows communication both. Replica Set and Replication Controller do almost the same thing. In K8s, a ReplicaSet is an object that helps to manage and maintain a set of identical pods. ReplicaSet is the next-generation ReplicationController that supports the new set-based label selector. $ kubectl run my - nginx -- image = nginx -- port 80. The basic format is <server_name> <keytype> <base64-encoded_key>, one entry per line. For example, in a StatefulSet deployment called “statest”, the pod “statest-0” will be created first, then “statest-1”, and so on. The job of a ReplicaSet is to maintain a stable number of Pod copies or replicas. 1. 11. Please remember that you should have the same number of entries in this section as the number of your replicaset members. The spec part is mandatory in the ReplicaSet object. Cleanup. ReplicaSetCondition describes the state of a replica set at a certain point. mongod --replSet replicaset --port 27018 --bind_ip localhost,<hostname(s)|ip address(es. If the pod disappears for any reason, such as in the event of a node. A ReplicaSet is one of the Kubernetes controllers that makes sure we have a specified number of pod replicas running. replication controllers are deprecated and is not recommended any more. kubectl commands for replication set. We will create an example ReplicaSet using the below configuration, just like we created a Pod in part 3 of this series. As with all other Kubernetes API objects, a ReplicaSet needs the apiVersion, kind, and metadata fields. これらは、以下. replicas. observed state, so it. Hi @qing , . In the above screenshot we will find out the, shortcut of that service (rs), apiVersion (apps/v1), kind (ReplicaSet) and true means its supports Namespace. In case, these pods go down then this replicaset can use it’s template to replace these pods. apps | grep "0 0 0" | cut -d' ' -f 1) This only works because of the way kubectl get all displays resources. name of the ReplicaSet is part of the basis for naming those Pods. Any existing pods under that controlling object are recreated on a node with a matching label. Set Up a cert-manager Integration. 2 then MongoDBCommunity v6. Phần chính trong định nghĩa đối tượng ReplicaSet nằm trong phần spec với định. replicasetは特定のラベルのついたpodを監視している。 さっき見たみたいにレプリカ数が不足している場合は新たにpodが作成される。 それに対し、レプリカ数が過剰に存在している場合は該当するpodの内のpodをレプリカ数と同じ数になるように削除する。55 Thomson Place 2nd Floor Boston, MA 02210 Tel: +1 617 837 6840Labels can be used to organize and to select subsets of objects. Configuration Examples. In order to do that, you need to create a kind: Service for each of your ReplicaSet. name field. Yes, that's right. apiVersion: v1 kind: Pod metadata: labels: run: redis name: redis spec: containers: - image: redis name: redis Save this as redis-pod. whl; Algorithm Hash digest; SHA256: 94beb3553b2127c97680ad9f14c588b4189d15c286e177e3f70c2dd4b7fa0998: Copy : MD5Deploy CRDs and ReplicaSet. allowWatchBookmarks requests watch events with type "BOOKMARK". ReplicaSet is a lower-level abstraction that provides basic scaling mechanisms. labels: my-label: my-value. To create the pods, ReplicaSet uses the pod template. metadata. Similarly, if the ReplicaSet discovers an extra pod in the group, it will randomly delete one of the Kubernetes replicas in circulation. template. yaml": no matches for apps/, Kind=ReplicaSet. 4, you should omit the --force option and use: kubectl delete pods <pod> --grace-period=0. MySQL InnoDB ReplicaSet. 9$ kubectl create -f replicasets. 2: Download an Example ReplicaSet. replicas: It specifies the desired number of replicas (pods) to maintain. As in the case of Deployment, a controller is created, but unlike Deployment, it does not create a ReplicaSet , but instead it itself creates replicas from pods and assigns them names. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. It is used to make sure that we have a specified number of pod replicas that are always up and running. apiVersion: apps/v1 kind: ReplicaSet metadata: name: myapp2-rs spec: replicas: 3 # 3 Pods should exist at all times. It will terminate or start new Pods to match the configuration specified in the ReplicaSet template. このリソースは直接使用することは少ないが、次に出てくるDeploymentを抑える上で理解が進むのでやっていこう。. Below is my yaml file replicaset. 3 Answers. This is just a replication source instance and one (or more) asynchronous replica: This is the status of the ReplicaSet object in. Pod :1つ以上のコンテナからなる集合体(Kubernetes上でコンテナを管理する最小単位). The Replicaset monitors the Pods that have the same label as the one specified in this selector field. it uses the selector and the label from pod spec to identify the actual pods running and is matched against the desired count. More broadly defined, Kubernetes troubleshooting also includes effective ongoing management of faults and taking measures to prevent issues in Kubernetes components. For ReplicaSets, the kind is always a ReplicaSet. {key: tier, operation: In, values:. list or watch objects of kind ReplicaSet. They are followed by a metadata section with fields such as name, labels, etc. 3-py3-none-any. 3. 2. The replicaSet controller ensure that three pods are running at any point of time in the cluster. Podの雛形 (Pod Template)を定義し、Label Selectorという方法で管理対象を. Các nội dung trước chúng ta đã đi qua: Trong bài hôm nay chúng ta sẽ làm quen và thao tác với Kubernetes. 대소문자 표기에 주의합니다. 1 Kubernetes version: v1. This will tell you what "owns" the pod. It defines: The number of replicas this controller should maintain. Sorted by: 18. ReplicaSets. When the control plane creates new Pods for a ReplicaSet, the . It's mainly used by Deployment as a. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. Cách ReplicaSet hoạt động. Trong định nghĩa spec trên thì “kind: ReplicaSet” là tên đối tượng Kubernetes mà chúng ta cần tạo với name và các Label được gán cho đối tượng ReplicaSet này được định nghĩa trong phần metadata. Here’s a basic tutorial on how to scale an application using the vim terminal editor and adjusting the replicas property in a ReplicaSet configuration file: Step 1: Open the ReplicaSet configuration file in the vim terminal editor: $ vim my-rs. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. apps | grep "0 0 0" | cut -d' ' -f 1) This only works because of the way kubectl get all displays resources. list or watch objects of kind ReplicaSet. The API version apps/v1beta2 is deprecated. The above. yaml": no matches for apps/, Kind=ReplicaSet . Db. In the simplest case, a deployment just creates a new replication controller and lets it start up pods. When the control plane creates new Pods for a ReplicaSet, the . When the control plane creates new Pods for a ReplicaSet, the . Sorted by: 77. Annotations provides additional information about an object, such as build information or. Here, this replicaset will monitor Pods with the label tier: frontend. Both are related to the limited control that deployments provide over how an application runs: Lack of granular control. I couldn't figure, whether the issue is with my code or api resources. Mounts: <none> Volumes: <none> Conditions: Type Status Reason ---- ----- ----- Progressing True NewReplicaSetAvailable Available False MinimumReplicasUnavailable ReplicaFailure True FailedCreate OldReplicaSets: <none> NewReplicaSet: integrated-repository-webapp-d69879c5f (0/1 replicas created) Events: Type Reason Age From. By default, Kubernetes Operator uses the default namespace. I have a pod in my EKS cluster and I want to edit it's yaml so that I can change the read-only values from true to false. For ReplicaSets, the kind is always just ReplicaSet. This entry was posted in Docker, Kubernetes and tagged Cluster, Docker, Docker Swarm, Kubernetes, Orchestrator, Pod, ReplicaSet, Scheduler, Service on December 15, 2017 by Viktor Farcic. name of the ReplicaSet is part of the basis for naming those Pods. kind: ReplicaSet → We have defined the kind as the replica set which helps kubectl to understand that the file is used to create a replica set. yaml error: unable to recognize "kubia-replicaset. selector ,否则它将被 API 拒绝。. 1. OwnerReferences[0]. com. For ReplicaSets, the kind is always a ReplicaSet. metadata. template.