For ReplicaSets, the kind is always a ReplicaSet. Some possible values are Pod, ReplicaSet, Deployment and it is a CASE SENSITIVE string. mod. yaml": no matches for apps/, Kind=ReplicaSet. copy. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. I also can't set the replica set to desire 0 pods, but that might be by design. In this example: A Deployment named nginx-deployment is created, indicated by the . With the taint in place, pods cannot be scheduled on the master. It's a cheap solution but it's not that big an issue either. Para los ReplicaSets, el tipo es siempre ReplicaSet. For this the recommended approach is to use a Deployment, which under the hood create a ReplicaSet. I found this trick though till I could find a better way. boolean. $ kubectl run my - nginx -- image = nginx -- port 80. The API version apps/v1beta2 is deprecated. docker. Similarly, if the ReplicaSet discovers an extra pod in the group, it will randomly delete one of the Kubernetes replicas in circulation. copy. The v1. this may be used to filter the deployment based on this label. Hi @qing , . yaml. ReplicaSet is a lower-level abstraction that provides basic scaling mechanisms. The continue option should be set when retrieving more results from the server. Match the metadata. kind: This specifies the Kubernetes resource type. If the Labels of a. Nifty! Now that we’ve covered the first two fields we can move on to metadata:. Note: we can ignore the service named kubernetes in the example above; that one already did exist before our kubectl run command. When the control plane creates new Pods for a ReplicaSet, the . metadata: 레플리카셋의 정보를 입력하는 항목입니다. metadata. yaml": no matches for apps/, Kind=ReplicaSet . Labels are like tags that identify and categorize Kubernetes objects. To create and set up the Kubernetes replica set, we have to follow the below steps: 1. The config is saved to the Kubernetes Secret. boolean. By default, 10 old ReplicaSets will be kept. Deployments control the updating of its underlying entities. In Kubernetes, a ReplicaSet is responsible for maintaining the desired number of replicas of a pod to ensure high availability and load balancing in handling traffic. Replace <domain-rs-1>, <domain-rs-2>, and <domain-rs-3> with the external FQDNs of the MongoDB replicaset members. to join this conversation on GitHub. Core, Mongodb. ReplicaSetCondition describes the state of a replica set at a certain point. As an example, you could be deploying a MySQL database with a primary instance and two read-only replicas. It will terminate or start new Pods to match the configuration specified in the ReplicaSet template. Below is an example of a. Rest all is same as the replication controller. kubectl delete $ (kubectl get all | grep replicaset. For ReplicaSets, the kind is always a ReplicaSet. kubectl get replicaset. 26. name of the ReplicaSet is part of the basis for naming those Pods. In Kubernetes 1. 대소문자 표기에 주의합니다. So the correct terminology (and need) here, is to contact (micro-)service A from (micro-)service B. I’m a beginner with Kubernetes and YAML. By evaluating pod. Any existing pods under that controlling object are recreated on a node with a matching label. MongoError: failed to connect to server [mongodb-mongodb-replicaset-1. Some possible values are Pod, ReplicaSet, Deployment and it is a CASE SENSITIVE string. 4. This feature allows communication both. A ReplicaSet is a process that runs multiple instances of a Pod and keeps the specified number of Pods constant. See Writing a Deployment Spec for more details. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The following command installs the MongoDB Enterprise Kubernetes Operator in the mongodb namespace with the optional --create-namespace option. What did you do to encounter the bug? Steps to reproduce the behavior: Deploy manager v0. metadata. 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. Config, h * Client) (* AppsV1Client, error) NewForConfigAndClient creates a new AppsV1Client for the given config and client. allowWatchBookmarks requests watch events with type "BOOKMARK". It default to 1 if it was not. NOTE: When you scale down a MongoDBCommunity resource, the Community Operator might take several minutes to remove the StatefulSet replicas for the members that you remove from the replica set. com, mongo-replicaset-2. じゃあ、ReplicaSetで十分だから「Deployments」は使うことないのかというと、これは新しいバージョンのアプリをデプロイする時に役に立つ。. metadata. 4. apiVersion: v1 kind: Pod. apiVersion: apps/v1 kind: Deployment metadata: name: my-nginx labels: app: my-nginx # LABEL-A: <--this label is to manage the deployment itself. 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. This name will become the basis for the ReplicaSets and Pods which are created later. kind: ReplicaSet metadata: name: 1st-replicaset spec: podSelector: matchLabels: app: Web-app replicas: 5. 3. 9 the API version apps/v1 on the ReplicaSet kind is the current version and is enabled by default. metadata. This is where replicasets come into play. name of the ReplicaSet is part of the basis for naming those Pods. # first-rs. Instead of creating Pods one by one, you can create a ReplicaSet object in which you specify a Pod template and the desired number of replicas, and then have Kubernetes create the Pods, as shown in the following figure. (Several days). How Does The ReplicaSet Manifest Look? APIVersion, kind, and Metadata look like any other object in Kubernetes but the Spec section appear somewhat different from other objects. apiVersion: apps/v1. spec. root@cyberithub:~# kubectl get pods -l tier=nginx NAME READY STATUS RESTARTS AGE replicaset-1-nhvlq 1/1 Running 0 16m replicaset-1-mrj7v 1/1 Running 0 16m. ReplicaSetについて. 3. Saved searches Use saved searches to filter your results more quicklyFor instance, ReplicaSet invalidates its cache when the selector changes. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer?. You need to complete all steps, certificate issuance cannot be. This is an essential mechanism for managing and scaling the Pods in a Kubernetes cluster. When you instantiate a ReplicaSet, it creates the desired number of replicas using the pod template. Every one of them is a member of the Kubernetes ReplicaSet. kubectl delete deployment $ {our-deployment-name} And this seems to delete the deployment called our-deployment-name fine. For example, if you want to have four pods running at all times and one of them suddenly crashes, a ReplicaSet will ensure that the crashed one is removed and will spin up a new, hopefully healthy, one. apiVersion. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Hashes for kubesplit-0. metadata. 1 ReplicaSets in a nutshell1. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. Hopefully, the theoretical concept of Replicaset is clear; now, let’s quickly jump to some practical examples. See Writing a Deployment Spec for more details. In case, these pods go down then this replicaset can use it’s template to replace these pods. metadata. name of the ReplicaSet is part of the basis for naming those Pods. #Get list of Pods kubectl get pods kubectl describe pod <pod-name> # Get list of Pods with Pod IP and Node in which it is running kubectl get pods -o wide Also, the apiVersion of replicaSet is apps/v1. Query parameters; Parameter Type Description; allowWatchBookmarks. Each new ReplicaSet updates the revision of the Deployment. kubectl get replicaset To create a replica said execute the following command. Then create a Deployment object by running the following command: 1. ReplicaSetCondition describes the state of a replica set at a certain point. The template includes specifications such as container. Table 8. When the control plane creates new Pods for a ReplicaSet, the . pod config: apiVersion: v1 kind: Pod metadata: name: private-reg spec: containers: - name: private-reg-container image: ha/prod:latest imagePullSecrets: -. The spec part is mandatory in the ReplicaSet object. name of the resource to the spec. tier: Backend → We have defined the label tier as backend which creates a matching selector. Provide details and share your research! But avoid. the pod label in pod spec should match with the selector. Under the hood, Deployment creates a ReplicaSet which in turn creates pods on our cluster. . The number of pods that have labels matching the labels of the pod template of the replicaset. ”ローリングアップデート”というのができる. The job of a ReplicaSet is to maintain a stable number of Pod copies or replicas. For ReplicaSets, the kind is always a ReplicaSet. Use ReplicaSets instead. metadata. 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. By adjusting the value in the manifest and re-applying it, you can alter the number of copies (kubectl apply -f my-manifest. Query parameters; Parameter Type Description; continue. APIVersion defines the versioned schema of this representation of an object. Escribir un manifiesto de ReplicaSet. It ensures that a specified number of replicas of a pod are running at any given time. No matches for kind "ReplicaSet" in version "extensions/v1beta1" 3 Old ReplicaSet not getting replaced by new ReplicaSet after an kubectl edit. As you can see, it uses the apps/v1 API version, the kind is ReplicaSet, and in this case the name is set to hello-world_v1. Let’s use a ReplicaSet to scale up to five instances of our kuard container. If you’re using any version of kubectl <= 1. Add the desired label. For clarification - I meant container. metadata. A ReplicaSet ensures that a specified number of replicas, or copies, of a Pod, are running at any given time. A ReplicaSet is a Kubernetes object that runs multiple instances of a pod and ensures a certain number of pods is running at all times. metadata. En la versión 1. The ReplicaSet configuration defines a number of identical pods required, and if a pod is evicted or fails, creates more pods to compensate for the loss. In this blog, I will. Kubernetes docs talk more about it. In the case of a Job, update parallelism only if the current parallelism value matches. It creates and deletes Pod(s) as needed to reach the desired number. Then, it’ll gradually move the Pods from the old ReplicaSet to the new one at a controlled rate. Figure 13. Table 7. boolean. 3 Answers. Admission control is fundamental to policy enforcement in Kubernetes. The manifest file for a deployment looks similar to a replicaset but the kind is deployment. Finally, the "spec" is the most important part of our YAML file. . helm install enterprise-operator mongodb/enterprise-operator --namespace mongodb --create-namespace. . 1. Here the deployment type is chosen as ReplicaSet using the kind option. yaml": no matches for kind "Replicaset" in version "apps/v1" ensure CRDs are installed first. apiVersion: apps/v1 kind: ReplicaSet metadata. Share. template: here we specify the specs of the Pods to be created by this replicaset. It is intended to replace ReplicationControllers. Replica Set use Set-Based selectors which. See morekind: ReplicaSet. 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. 2 นี้เราจะแนะนำ. Deployments can do the following; Create instances of running applications as ReplicaSets. 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. allowWatchBookmarks requests watch events with type "BOOKMARK". As such, it is often used to guarantee the availability of a specified number of identical Pods. Use this procedure to deploy a new replica set that Ops Manager. Kind: Defines the resource as a ReplicaSet for the Kubernetes API. Kubernetes 1. 2 then MongoDBCommunity v6. In this way, Kubernetes is self-healing. Deployments are generallyused with replicaset as they are used to manage replicsets. Kubernetes 1. If you want to clean it manually you can just paste that in your console. The name of a ReplicaSet object must be a valid DNS subdomain name. blockStores. ObservedGeneration reflects the generation of the most recently observed ReplicaSet. Both are related to the limited control that deployments provide over how an application runs: Lack of granular control. These fields are shared by all k8s resource types. apps/v1 blockOwnerDeletion: true controller: true kind: ReplicaSet name: nginx-d-5b686ccd46 uid: 7eb8fdaf-bfe7-4647-9180-43148a036184 resourceVersion: "556" More. yaml": no matches for apps/, Kind=ReplicaSet. Deployments have two main disadvantages compared with StatefulSets and DaemonSets. Pod template: ReplicaSet uses a pod template to create and manage the replicated pods. If a Pod from the ReplicaSet fails, it automatically creates an additional Pod from the. so you must need to add template field . 8-eks-7c9bda Webhook Version: How do. metadata. . So the apiVersion of ReplicaSet will be apps/v1. I 'm Following this guide in order to set up a pod using minikube and pull an image from a private repository hosted at: hub. The job of a ReplicaSet is to maintain a stable number of pod copies or replicas. Building on replication controllers, OpenShift Container Platform adds expanded support for the software development and deployment lifecycle with the concept of deployments. local:27017] on first connect [MongoError: getaddrinfo ENOTFOUND mongodb-mongodb-replicaset-1. . Menulis manifest ReplicaSet. 1. metadata. The name of a ReplicaSet must be a valid DNS subdomain value, but this can produce unexpected results for the Pod hostnames. A ReplicaSet represents a group of Pod replicas (exact copies of a Pod). In this article. 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. 11. Having said that, the arbiter does take part in elections for the primary. Radek's answer is very good, but I would like to pitch in from my experience, you will almost never use an object with the kind pod, because that doesn't make any sense in practice. It weren’t there in the initial apiVersion and the kind is ReplicaSet. This way I want to be able to make changes to the pod's system/image (haven't exactly figured out it's name) that at the moment it read-only file system. yaml. 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. Pada Kubernetes 1. Seperti objek API Kubernetes lainnya, sebuah ReplicaSet membutuhkan field apiVersion, kind, dan metadata. mongodbResourceRef. @Jonas I did. replicas. First, let us confirm that no ReplicaSet is running in the default namespace: kubectl get rs # output: No resources found. metadata: data about object at issue. . I'll post my answer with the full code example later if no one else replies to my question. 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. Step 1: Create a ReplicaSet with three PODs Step 1. By using the command kubectl delete rs <rs name>, where rs name is the name of your ReplicaSet, you can destroy ReplicaSets. 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. When the control plane creates new Pods for a ReplicaSet, the . The replicaSet controller ensure that three pods are running at any point of time in the cluster. In the above section, we observe that Deployment internally creates a ReplicaSet. The first Spec lets you declare what the ReplicaSet should appear like and the. apps | grep "0 0 0" | cut -d' ' -f 1) This only works because of the way kubectl get all displays resources. We will setup a single node Kubernetes cluster on our local machine using KinD (Kubernetes in Docker). When a ReplicaSet needs to create new Pod(s), it uses its Pod template. This is awkward and complex. nodeAffinity field (if specified) is taken into consideration by the DaemonSet controller when evaluating the eligible nodes, but is. To add node selectors to an existing pod, add a node selector to the controlling object for that node, such as a ReplicaSet, Daemonset, or StatefulSet. replicas: 5 indicates that you want to maintain five replicas of the. Selector helps us to filter the items/objects which have labels attached to them. When the control plane creates new Pods for a ReplicaSet, the . selector: matchLabels: my-label: my-value. Assuming that you name the two with different values, the two deployment sets would also spin up isolated pods with same labels. To do this we will write a YAML configuration. Kubernetes manages the relationship between Pods and Services using Labels and Selectors . It will be composed by the number of. apps values should count 2 available instances. While Kubernetes, both natively and through ingress controllers, offers a number of ways to expose a service, we will use the standard Service resource of type LoadBalancer. Table 10. apiVersion: apps/v1 #version of the API to use kind: ReplicaSet #What kind of object we're deploying metadata: #information about our object we're deploying name: nginx-replicaset spec: #specifications for our object replicas: 2 #The number of pods that should always be running selector: #which pods the replica set should be responsible for. yml fileNow delete a pod, while watching pods: kubectl delete pod rs-quarkus-demo-mlnng. When you deploy multiple replica sets using this method, you must make sure they each have a unique value for scramCredentialsSecretName. It is responsible for monitoring the health of the. Deployments configure apps in a generic way. com. The following command installs the MongoDB Enterprise Kubernetes Operator in the mongodb namespace with the optional --create-namespace option. To do this we will write a YAML configuration. Replication Controller and Replica Set do almost the same thing. 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。. spec: containers: - name: app-container. 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. ReplicaSetについて. 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. We will use the following YAML file to create our ReplicaSet. Does Kubernetes GET API actually support fieldSelector parameter to query values of array fields?. The requests object contains the list of resources that correspond to the list of resources in the quota. spec. 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. metadata. kind: This specifies the Kubernetes resource type. Let’s use a ReplicaSet to scale up to five instances of our kuard container. I’ve been trying to deploy a ReplicaSet with YAML. name of the ReplicaSet is part of the basis for naming those Pods. name of the ReplicaSet is part of the basis for naming those Pods. We also define a number of labels through which we can identify it. If a pod fails or is deleted, the ReplicaSet automatically creates a new pod to replace it. Yes, that's right. Replace with the desired MongoDB deployment name -- this should be the same as in the previous step. replicas 来指定要同时运行的 Pod 个数。 ReplicaSet 创建、删除 Pod 以与此值匹配。 A ReplicaSet is defined with fields, including a selector that specifies how to identify Pods it can acquire, a numberof replicas indicating how many Pods it should be maintaining, and a pod template specifying the data of. You can see the other types of objects that we create commonly on the right side here. 7 is the version used. Via a label selector, the client/user can identify a set of objects. allowWatchBookmarks requests watch events with type "BOOKMARK". 4. We run the following command in k8s. . For ReplicaSets, the kind is always a ReplicaSet. Deployment ：ReplicaSetを管理するオブジェクト（アプリケーションデプロイの基本単位. When the control plane creates new Pods for a ReplicaSet, the . 这允许在不影响运行中的 Pod 的情况下替换副本集。. After our query, see these Deployments create new ReplicaSet and it's yaml the same with old ReplicaSet, and evnet log display , scale up new pod, and then scale. Here, it's a ReplicaSet. In this lab, you'll create your first Kubernetes Pod. 特定の仕様でマシンにホストする必要があるポッドがあると仮定します (SSD の HD、物理的な場所、処理能力など)。. If I run db. The above RS manifest file uses a ReplicaSet to run three copies of the my-image: latest container image. #Get list of Pods kubectl get pods kubectl describe pod <pod-name> # Get list of Pods with Pod IP and Node in which it is running kubectl get pods -o wide I inherited an app without a ton of handoff information, and there's a Kubernetes setup with ReplicaSets and KOPS (and based on Docker containers). kind: 오브젝트 종류를 명시하는 항목으로 ReplicaSet으로 지정합니다. Create the file with the command: nano rs. The ReplicaSet controller ensures that a specific number of Pods are running. You could see the number of ReplicaSets. To add node selectors to an existing pod, add a node selector to the controlling object for that pod, such as a ReplicaSet object, DaemonSet object, StatefulSet object, Deployment object, or DeploymentConfig object. Add a comment. The operator creates a config (and updates it) for the agent’s sidecar container responsible for configuring MongoDB in each Pod. 2 then MongoDBCommunity v6. observed state, so it. Rollback to an earlier Deployment revision if the current state of the Deployment is not stable. name field. and you can actually do what you want , just use your pod as here in template spec. Then you are at the right place. The kind of this object is ReplicaSet; In the metadata part, we define the name by which we can refer to this ReplicaSet. It default to 1 if it was not. Create a deployment manifest yaml file - deployment. The operator creates a Pod with one init container and two app containers on it. For example. As with all other Kubernetes API objects, a ReplicaSet needs the apiVersion, kind, and metadata fields. backup. Quoting from Kubernetes Operator reference: This method to use split horizons requires the Server Name Indication extension of the TLS protocol. If you look at the above example there are two Spec’s in the manifest above. It should also create a Kubernetes Endpoint resource with two entries in the host:port notation, one for each of the pods,. As you said, you created 3 web based micro-service. ReplicaSet is an evolution of ReplicationController. 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. The ReplicaSet is a very useful basic building block in Kubernetes that other objects, like the Deployment object, rely on. 1 Answer. apiVersion: apps/v1 kind: ReplicaSet metadata: name: rs-app-b spec: replicas: 2 selector: matchLabels: app: app-b Describe a Scenario that We Should Use ReplicaSet Without Deployment. ObservedGeneration reflects the generation of the most recently observed ReplicaSet. You can see this information in the 'status. apiVersion: v1 kind: Pod metadata: labels: run: redis name: redis spec: containers: - image: redis name: redis Save this as redis-pod. labels: my-label: my-value. A ReplicaSet is a set of identical backup Pods maintained on the backend side to ensure a Pod is always available. It's mainly used by Deployment as a mechanism to orchestrate pod creation, deletion and updates. The arbiter node doesn’t have a copy of the data set and can’t become a primary. Kind: Defines the resource as a ReplicaSet for the Kubernetes API. message' element in the kubectl get pod output: message: '0/1 nodes are available: 1 node (s) had taint {node-role. The number of replicas is 3. apiVersion and kind specify the API version and resource type, respectively, indicating that this is a ReplicaSet. Then, it internally creates Pods inside that ReplicaSet. You can also verify the pods running with the label tier=nginx using kubectl get pods -l tier=nginx command. A ReplicaSet is a process that runs multiple instances of a Pod and keeps the specified number of Pods constant. Share. (Remember, a controller in Kubernetes is what. spec section is similar to the ReplicaSet’s, defining the pod template for each replica. Create a ReplicaSet. In Kubernetes, a HorizontalPodAutoscaler automatically updates a workload resource (such as a Deployment or StatefulSet), with the aim of automatically scaling the workload to match demand. To add node selectors to an existing pod, add a node selector to the controlling object for that pod, such as a ReplicaSet object, DaemonSet object, StatefulSet object, Deployment object, or DeploymentConfig object. string. replicas. deployment "my-nginx" created. apiVersion: apps/v1 kind: ReplicaSet metadata: name: kuard spec:. 9 de Kubernetes, la versión apps/v1 de la API en un tipo ReplicaSet es la versión actual y está habilitada. Persistent Volume Claim It is a kind of formal request from user for claiming a persistent volume. # deployment name and namespace deployment_name=mydeployment deployment_ns=mynamespace # get replica set identifier for deployment dep_rs=$ (kubectl describe. In this example: A Deployment named nginx-deployment is created, indicated by the . Build your first docker image. We can filter the objects based on the criteria like class, kind, and functions. Pods follow a defined lifecycle, starting in the Pending phase, moving through Running (if at least one of its primary containers starts OK), and then through either the Succeeded or Failed. We have n number of different type of objects in Kubernetes, like Pods, ReplicaSet, Deployments, Services, etc. Query parameters; Parameter Type Description; allowWatchBookmarks. version() in the console it returns 4. Sorted by: 77. We will create one . A ReplicationController is a Kubernetes resource that ensures its pods are always kept running. 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. Now let’s inspect the ownerReferences of the ReplicaSet. The number of ready replicas for this replica set. If any of the pods in the group die or get evicted, the ReplicaSet controller creates a replacement. - apiVersion: apps/v1 kind: ReplicaSet name: router-default-66d5cf9464 uid: d81dd094-da26-11e9-a48a-128e7edf0312 controller: true blockOwnerDeletion: true. template. a number of replicas indicating how many Pods it should be maintaining. The. 这允许在不影响运行中的 Pod 的情况下替换副本集。. As with all other Kubernetes API objects, a ReplicaSet needs the apiVersion, kind, and metadata fields. The alerts and rules keys in the serverFiles group of the values. This is just a replication source instance and one (or more) asynchronous replica: This is the status of the ReplicaSet object in. A ReplicaSet is used to ensure that a specific number of replicas (copies) of a pod are running at any given time, while a Deployment manages updates to a ReplicaSet by creating a new ReplicaSet with the updated pod template and gradually scaling it up while scaling down the old ReplicaSet. Asking for help, clarification, or responding to other answers. metadata. Creating a Kubernetes ReplicaSet. This procedure allows you to set different settings for the replica set resource, such as overrides for statefulSet configuration.