Post a CommentYou can exit the pod using Ctrl+D, or by running exit in the console. kubectl apply -f [manifest file]. Verwaltung mit kubeadm. 492suser 0m0. They also monitor and ensure the required number of. 13. yaml’, and we will be submitting this file to the Kubernetes cluster. $ kubectl get pods NAME READY STATUS RESTARTS AGE twocontainers 2/2 Running 0 7s. yaml. We can use the cascade=false flag in the kubectl delete command to only delete the DaemonSet without deleting the pods. However if you change labels and. PjoterS PjoterS. La version de l'API apps/v1beta2 est obsolète. data. $ kubectl get pods -n scaling-demo NAME READY STATUS RESTARTS AGE nginx-59c556767c-ncl9k 1/1 Running 0 16m nginx-59c556767c-vn96s 1/1 Running 0 11s nginx-59c556767c-xx5bb 1/1 Running 0 13m redis-78497c75bd. Information will be in Events: section. the old replica sets are not removed they are retained for the versioning. try "kubectl delete $ {insert your deployment here}. $ kubectl get hpa. programming-kubernetes. Also, the rolling-update command is imperative whereas Deployments are declarative, so we. The fields of the table are described below:I want to change the number of replications (pods) for a Deployment using the Kubernetes API (v1beta1). Get the replica sets list. There can be multiple reasons – node maintenance, migration to another rack, datacenter, or newer hardware. This page shows how to run a replicated stateful application using a StatefulSet. We want to perform such a migration with no downtime and minimal. 13. extensions "my-first-replicaset" deletedreal 0m2. As such, it is often used to guarantee the availability of a specified number of identical Pods. Output:. name=rolling-nginx-74cf96d8bb-6f54x LAST SEEN TYPE REASON OBJECT MESSAGE 5m21s. When you increase the replica count, to scale up your service. The kubectl run command can take a number of arguments to configure additional parameters of the deployments. 2. We will find the replicaset name to which this pod belongs to. 1. This will open the ReplicationController’s YAML definition in your default text editor: bash. Viewed 9k timesSave the file as rc-definition. If you set your namespace above using the set-context command then the pods will be created in the specified namespace. This is not perfect since it actually loads all replicasets and then filter them using unreliable way. kubectl replace -f rs-creation. $ kubectl edit replicaset new-replica-set . kubectl get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE redis-data-pvc Bound pvc-6163d1f8-fb3d-44ac-a91f-edef1452b3b9 10Gi RWO standard 132m. Conclusion. For example, you define how many replicas ( pods) of your app you want to run in the. 492suser 0m0. spec. Share. For general information about working with config files, see running stateless applications and object management using kubectl. yaml. Share. kube. Cómo funciona un ReplicaSet Un ReplicaSet se define con campos, incluyendo un selector que indica cómo identificar a los Pods que puede adquirir, un número de. As with all other Kubernetes API objects, a ReplicaSet needs the apiVersion, kind, and metadata fields. You may test it, after deleting the ReplicaSet and then typing the command kubectl get pods into the terminal. What to use ReplicaSets for. kubectl get hpa constant-load-test -n hpa-constant-load. Edit a replica set: kubectl edit replicaset webapp. An Azure Arc-enabled SQL Managed Instance deployed with one replica (default) View the pods. kubectl scale deployment openet-k6 --replicas=0 How will i ensure all pods are scaled down ? I am actually using this command in a shell script , so i can write additional logic to check that . Say we have d. Usually, you define a Deployment and let that Deployment manage ReplicaSets automatically. If we need to update the application to a new version, we can create a new replica set with the updated configuration and scale down the old replica set. To master Kubernetes, you need to understand how. namespace) (. kubectl apply-f my-manifest. Install kubectl and minikube. kubectl scale replicaset nginxset --replicas=4. Follow edited Dec 26, 2018 at 9:32. Now copy your deployment file to a master node and apply it. Then we’ll deploy the manifest file to get our service and endpoint built. Deployment with name backend is created indicated by metadata. A ReplicaSet is defined with fields, including a selector that specifies how to identify Pods it can acquire, a number of replicas indicating how many Pods it should be maintaining, and a pod template specifying the data of new Pods it should create to meet the number of replicas criteria. conf} {" "}' |grep mode. {target} is the name of the pod you want to view logs from;kubectl scale deployment my-deployment --replicas=0. Manually by using the command. Now that you have the ReplicaSet created you can verify the list of ReplicaSet using kubectl get rs command. 4. The following command gives the status of the replica sets: kubectl get rs This will give us a table with the following columns: NAME DESIRED CURRENT READY AGE; my-deployment-74fa83b46b: 4: 4: 4: 12s: Note: This table will be printed out on the terminal. Declarative way, edit this line in your Yaml file: replicas: 2. Prerequisites. kubectl scale --replicas=10 -f rs-creation. As soon as the load generator script is stopped, there’s a cool down period, and after 1 minute or so the replica set is lowered to the. To learn more about replica sets, see the Replication Introduction in the MongoDB manual. Officially, there is no limit to how high this can be set but, of course, you have to keep in mind the underlying resources of your Kubernetes cluster. Wherever applicable, kubectl get all returns a list of pods, services, daemon sets, deployments, replica sets, jobs, cronjobs, and stateful sets. So, chances are you want to be listing the deployments instead of the services in this case. Like a Deployment, a StatefulSet manages Pods that are based on an identical container spec. To view these you can do kubectl get deployment, and get rs respectively. When connecting to a replica set, the hostnames and IP addresses in the connection string are the seed list. Kubernetes Replica Sets - Replica Set ensures how many replica of pod should be running. Horizontally scaling Pod. watch kubectl get all. 3. Finally, to clean up, we remove the deployment. In Kubernetes, if you will set replica value to 0, you will not have any running pod in this specific Deployment. We will now list the pods and verify. It will expose the port permanently but without load balancing. 28. La version de l'API apps/v1beta2 est obsolète. This will make the old replica set get drained before the new one is started. yaml. A ReplicationController is similar to a process supervisor, but instead of supervising individual processes on a single node, the ReplicationController supervises multiple pods across multiple nodes. yaml. yaml deployment "nginx" created $ kubectl get deploy NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE nginx 2 2 2 2 51s $ kubectl get -o json deploy nginx | jq '. Even though the new replica set is created. Old Replica set are removed. If you list the Pods, you will notice that five Pods are running: $ Kubectl get Pods NAME READY STATUS RESTARTS AGE my-replicaset-89dkw 1/1 Running 0 4m15s You can see that the number of Replica and the running instance of a Pod are the same as the number specified in the manifest file replicas field. 1 2022. , dedicated=groupName. items[?(@. The challenge I am having is that, I want to be able to loop through all the deployments and save their name and number of replicas so I scale them back to the original after scaling down. Use this procedure to create a new replica set in a member Kubernetes cluster in a multi-Kubernetes-cluster deployment. Writing a ReplicaSet manifest. While ReplicaSets make it easier to work with Pods, they. Each get command can focus in on a given namespace with the –namespace. [root@controller ~]# kubectl get statefulsets NAME READY AGE nginx-statefulset 0/3 36s. yaml and execute the kubectl apply command to deploy the replication controller. 4. To do that, simply run the kubectl delete command with the DaemonSet. You can get the stats on deployments using kubectl get deployments, kubectl describe deployments, and. Connect to mongodb replicaset in kubernetes with external access enabled. Deployment creates it in the background and manage it. Replica Set is the next generation of Replication Controller. yaml and repeate for deployment. yml. MySQL settings remain on insecure defaults to. When we fire delete to remove the resource, it removes the target objects forcefully: $ time kubectl delete rs my-first-replicaset && kubectl get podreplicaset. kubectl get events -o json You can also get events through a specific namespace by using the --namespace=${NAMESPACE} flag. # Run kubectl to connect inside the container kubectl run curl --image = dareyregistry/curl -i--tty # Type curl and your container's ip curl -v 10. This application is a replicated MySQL database. This blog post will discuss how this feature can be used. 244. Some downtime of the service is expected even if the replicas>1. 5. This is managed by a ReplicaSet. To scale up set --replicas=1 (or any other required number) accordingly. Hence we have successfully deployed created a deployment for Nginx. At this point, you should have three pods created in your cluster. In your case, you've asked Kubernetes to forward traffic on 127. Delete All ReplicaSet Pods (Quick. Yes identical Pods. Here I've set update type to "Recreate". selector section so that new replicaset and deployment can. Then add tolerations of the taint in that user group’s pods so they can run on those nodes. I've tried. Update the replicas field in replicaset-demo. focus on deleting deployment and service. kubectl logs -f -n namespace pod-id-here But what if there are 3 replicas of that Pod? There are some bash scripts and other utilities like Kubetail and Stern that make it somewhat easy to do. kubectl get replicaset. In the above screenshot, you can see the details of the ponds created after creating a replica set. How can I get all the logs from a specific container (s) that are running in a replica set. certificate for each of the following components: Your replica set. To expose the external deployment as a NodePort service, you can specify the type as NodePort in kubectl expose: shell. To create a replica said execute the following command. config. yaml 384 clear 385 kubectl get pods 386 kubectl delete deploy my-dep 387 clear 388 kubectl get pods 389 clear 390 kubectl get pods 391 kubectl apply -f pod1. 3 when scale is 5). If we want to check the status of the replica set, then run the below command. Run kubectl get pods –show-labels to see which labels were generated for the pods within the ReplicaSet. For example, kubectl scale –replicas=2 rs/web. Initially, it is necessary to add the desired set of labels to a subset of nodes. extensions. 08 18:00:57 字数 2,721. kubectl apply -f aks-store-quickstart-hpa. As you stated the deployment was created but no pods were, what we need is the output of the replicaset to figure out why it wasn't able to create the pods, can you do a kubectl get replicaset and then find the one corresponding to you deployment and then kubectl describe replicaset <replicaset_name>. Ensure that you add s for each Kubernetes pod that hosts a member of your replica set to the certificate. Share. One method of accessing this declarative interface is through kubectl. because what you are doing is not deleting the deployment but setting the desired replica count to 0. You can insert a key into the primary instance of the MongoDB Replica Set by running the following: MASTER_POD_NAME must be replaced with the name of the master found in the previous step. Get a idea from yaml file. Alex Robinson. yml file called ‘frontend. A set of pods that all share the same labels. A ReplicaSet's purpose is to maintain a stable set of replica Pods running at any given time. # Get commands with basic output kubectl get services # List all services in the namespace kubectl get pods --all-namespaces # List all pods in all namespaces. kubectl -n NAMESPACE scale deploy DEPLOYMENT_NAME --replicas=0 And make sure that the replicas is zero by this command. Get the running Pods list. Note: if you run the command too. Now, we can check the deployed replica set by using the below command. From there it gets labels for replicaset selection. replicaset should spin up new pods with new image. You can get help from kubectl logs -h and according the info, . kubectl get sc. Replica Sets (usually written as . kubectl get services List all pods in all namespaces kubectl get pods --all-namespaces. Look out for stateful sets as well . 概述. 1 Answer. * Does replica set take any action after deleting the pod created outside of its spec ? Why? Scalabilitykubectl describe replica set replicaset_name -n dep_namespace. kubectl get pods. Autoscaling is also an option with ReplicaSets using kubectl autoscale rs web –max=5. Scale replica set named ‘ipsum’ to 3: kubectl scale --replicas=3 rs/ipsum. extensions/frontend scaled master $ kubectl get pods NAME READY STATUS RESTARTS AGE frontend-4jb2x 1/1 Terminating 0 38s frontend-98xkj 0/1. Using kubectl, we can apply this definition like: kubectl apply -f orphan. kubectl scale --replicas=0 deployment application kubectl scale --replicas=1 deployment application As mentioned in the comments already ImagePullPolicy: Always is then required in your configuration. You should see the new ReplicaSet running ( Figure A ). The following kubectl command sets the spec with progressDeadlineSeconds to make the controller report lack of progress of a rollout for a Deployment after 10 minutes: kubectl patch deployment/nginx-deployment -p ' {"spec": {"progressDeadlineSeconds":600}}'. kubectl get deployments --all-namespace. $ kubectl scale rs sample-rs --replicas 6 replicaset. g. 7) uses an update strategy to configure and disable automated rolling updates for containers, labels, resource request/limits, and annotations for its pods. On Thu, 8 Dec 2016 at 16:09, Michail Kargakis . kubectl delete pod <podname> ReplicaSets. $ kubectl get pods,replicasets --show-labels NAME READY STATUS RESTARTS AGE LABELS pod/kuard-fm8fd 1/1 Running 0 11m app=kuard pod/kuard-j6fcf 1/1 Running 0 11m app=kuard pod/kuard-jmqjv 1/1. The. See moreIf you inspect how kubectl does it (by executing kubectl -n my-namespace describe deploy my-deployment --v=9) you will see that it dos the following: first gets. Run kubectl get rs (ReplicaSet) to see ReplicaSets created by the deployment. Use this procedure to create a new replica set in a member Kubernetes cluster in a multi-Kubernetes-cluster deployment. After going through the contents, now you’ll be familiar with the concept of ReplicationControllers and ReplicaSets and various commands associated with them in kubernetes. After being updated, the Deployment kills all pods at once, and starts new version of pods with the same amount of replicas. To run kubectl commands, you would follow this convention: kubectl [command] [TYPE] [NAME] [flags] To use the kubectl logs command, you would pass either a pod name or a type/name. (Allows more disruptions at once). How to delete all the resources Including service, deployment , pods, replica-set for particular deployment excluding specific one in kubernetes. Daemon Set; Scaling Commands. kubectl get pods kubectl delete pods vote-xxxx vote-yyyy Observe as the pods are automatically created again. If you run kubectl get pods <pod_name> -o yaml where <pod_name> is a pod created by ReplicaSet, you will see owner reference. kubectl config set-credentials − Sets a user entry in kubeconfig. Code: kubectl get replicasets. Also your deployment will. cnat. yaml After that remove unnecessary fields. name }') This should be more stable because it processes the replica count directly instead of trying to parse the output of kubectl which might. By default, Kubernetes keep 10 replica sets for each deployment, which means you can go back 9 versions prior. List all pods in the current namespace, with additional details . $ kubectl exec —namespace default MASTER_POD_NAME — mongo —eval=“printjson(db. If you try to scale the replica set, then it will (for a very short time) have a new count of 5. metadata. kubectl get endpoints Code language: JavaScript (javascript) Once the service and endpoint are deployed, we’ll deploy a quick container into our. spec. Replica Sets Deployments Other Kinds of Resource Conclusion Kubernetes is not known for being approachable. yaml --record=true. Also,instead of replicationcontrollers, you can use replica sets. Replica Sets . Let’s wait until its phase is ‘Running’. El objeto de un ReplicaSet es el de mantener un conjunto estable de réplicas de Pods ejecutándose en todo momento. If we re-create our replicaSet using the "kubectl create" command, the replicaSet " replica_1" will get re-attached to the pods above. In this case (the example above), we’re. How to create it. kubectl get pods will list all of a user’s pods in the namespace in which they are running the command, whereas kubectl get all –all. Before beginning this tutorial, you need to: Log into an IBM Cloud account. yaml replicaset. The API version apps/v1beta2 is deprecated. kubectl get pods --all-namespaces | grep metrics-server. The kubectl get command allows a user to inspect cluster resources. Use kubectl get to list all Deployments, Replica Sets and Pods in your default namespace:kubectl get secret mongodb -o jsonpath= "{. statefulset. kubectl get pods. 220 k8s-worker02 <none> <none> sample-pod3-zmjkj 2/2 Running 0 38s. But the deployment controller will see that the current count of the replica set is 5 and since it knows that it is supposed to be 3, it will reset it bac A ReplicaSet is one of the Kubernetes controllers that makes sure we have a specified number of pod replicas running. Replica-Sets replicate and manage pods, as well. The pod is the thing that is replicated. Field selectors let you select Kubernetes objects based on the value of one or more resource fields. To scale up set --replicas=1 (or any other required number) accordingly. The isMaster command will return the list of member hostname:port in the replica set, as entered in the. If you are new to the replica set you can read the replica set blog here. It did not recreate the pods again. Once the commands run, Kubernetes will action the. kubectl get rs -o wide -n kube-system | grep example NAME DESIRED CURRENT READY AGE example-6d4f99bc54 0 0 0. kubectl set image deployment/application app. You can use kubectl get pods again to see the unneeded pods being removed. kubectl get pods kubectl delete pods vote Observe what happens. yml Verifying the replica set deployment and accessing the replica set. 9 the API version apps/v1 on the ReplicaSet kind is the current version and is enabled by default. Build your first docker image. The update strategy is configured using the updateStrategy field. And, an example of that YAML file might look like the following: apiVersion: apps/v1 kind: ReplicaSet metadata: name: chef-server labels: app: chef-server tier: chef-server spec: replicas: 3 # We'll get three identical pods selector: matchLabels: tier: chef-server template : metadata:. And the -w argument is for watch so you have a refreshed interface that gives you infos on your hpa ressources. Instructions to Log In or Reset your MyEd Student Account Student Log in . 1. kubectl create --help |awk '/Available Commands:/,/^$/' Available Commands: clusterrole Create a cluster role clusterrolebinding Create a cluster role binding for a particular cluster role configmap Create a config map. name=nginx-deployment. Verwaltung mit kubeadm. The ReplicaSet. A ReplicaSet’s purpose is to maintain a stable set of replica Pods running at any given time. $ kubectl get ats NAME CREATED AT ats. 168. 31 (a downgrade but still an update from K8s point of view), the ReplicaSet is not completely replaced. –. By manually modifying the replica set that was created for you, you are fighting with the system controller. yaml Step 4: Set up Replication Host. then apply it to the cluster with: kubectl apply -f k8-deployment. matchLabels: This specifies the labels used for pod selection. $ kubectl scale deploy nginx --replicas=0 deployment. kubectl get pods frontend-b2zdv -o yaml. Let’s deploy the Replica Sets from the manifest file by running a kubectl command and then afterwards we’ll run a command to list our pods. How a ReplicaSet works? ReplicaSet is a next generation of replicationcontroller both replicaset and replicationcontroller ensure that pods that are. Replication Controller and Replica Set do almost the same thing. exit the editor. Get the replica sets list. If you need to get events related to specific objects, this can be achieved by describing an object using the command kubectl describe object/object_name. mourya ~ % kubectl get statefulset NAME READY AGE web 0/0 33s deepak. To ensure that, pods must be managed as stateful sets. (Remember, a controller in Kubernetes is what takes care of tasks to make sure the desired state of the cluster matches the observed state. Replica Sets (usually written as . 12. Modified 5 years, 3 months ago. Running the kubectl get pods command shows the rollout of two new pods with the updated version 1. replicas of a given pod) and checks if the current number of pods are matching the desired number specified for the figure given in replicasets. Administration with kubeadm. These correspond to the three nodes in your MongoDB replica set. Also you can read in the documentation Horizontal Pod Autoscaler. kubectl scale --replicas=3 statefulset/web. 27, this feature is now beta. A "rolling deployment" will be performed. 3. Share. It seems the actual problem is that deployments are somehow confused by too many old replica sets. The selector is used to identifying the Pods it can acquire. Step 2: Edit the pod labels which no longer match the replicaset selectors. name 是命名这些 Pod 的部分基础。. e filtering according to set of values. 4 minute read. yaml -- OR -- . These correspond to the three nodes in your MongoDB replica set. $ kubectl apply -f my-pod. How can I changeg them to running status. 2. 1. Here we go. It is used to deploy, manage, and monitor. yml kubectl get replicaset kubectl get pods. kubectl get pods <pod-name> -o yaml kubectl get pods my-helloworld-rs-c8rrj -o yaml Step-03: Expose ReplicaSet as a Service ; Expose ReplicaSet with a service (Load Balancer Service) to access the application externally (from internet) Difference between Kubernetes Replication Controllers and Replica Sets. When pods run as part of a StatefulSet, Kubernetes keeps state data in the persistent storage volumes of the StatefulSet, even if the pods shut down. sh get pods NAME READY STATUS RESTARTS AGE my-nginx-2494149703-04xrd 1/1 Running 0 9h my-nginx-2494149703-h3krk 1/1 Running 0 9h my-nginx-2494149703-hnayu 1/1 Running 0 9h. Deployments are an alternative to ReplicaSets, as they are used to manage ReplicaSets . Manages the deployment and scaling of a set of Pods, and provides guarantees about the ordering and uniqueness of these Pods. The above command will create three replicas of the “myapp” container and manage the lifecycle of the pods. ssh -p 2024 admin@`kubectl get svc -A| grep " ops-center-cee" | awk '{print $4}'` show alerts active. You should get just 1 deployment. When you want all replica sets where the numbers for 'desired', 'current' and 'ready' are not the same use a better pattern matching language such awk: kubectl get replicasets -n kube-system | awk '$3!=$4 || $4!=$5 {print $0}' which should return both the header and any inconsistent replica sets. The differences in this manifest are: Using kind: Deployment to state the resource type. Apr 8, 2022 at 21:57. revisionHistoryLimit' 2 $ kubectl get rs NAME DESIRED CURRENT READY AGE nginx-696171888 2 2 2 59s $ kubectl set image. I would like to get all ReplicaSets that have any problems using kubectl only without external monitoring systems. To check the mode of the kube-proxy : (it should be either iptables or ipvs or blank) kubectl get cm -n kube-system kube-proxy -o jsonpath=' {. Can you try kubectl get deploy --field-selector metadata. When you. $ kubectl apply -f statefulset. 9 the API version apps/v1 on the ReplicaSet kind is the current version and is enabled by default. yaml. A simple case is to create one ReplicationController object to reliably run one instance of a Pod indefinitely. Achieve this by using the. First find the pvs: kubectl get pv -n {namespace} Then delete the pv in order set status to Terminating. Review the output of kubectl api-resources to determine if a resource is namespaced. When the traffic and load subsides, we can revert to the original configuration of two Pods. Install and Set Up kubectl on macOS; Install and Set Up kubectl on Windows; Administer a Cluster. You can also verify the pods running with the label tier=nginx using kubectl get pods -l tier=nginx command. Create replica set. To begin with, create an Express app first. ReplicaSet immediately creates the pod. Deployment is a good fit for managing a stateless application workload on your cluster, where any Pod in the Deployment is interchangeable and can. # kubectl delete rs soaktestrs replicaset "soaktestrs" deleted # kubectl get pods Again, the pods that were created are deleted when we delete the Replica Set. Tujuan dari ReplicaSet adalah untuk memelihara himpunan stabil dari replika Pod yang sedang berjalan pada satu waktu tertentu. The output of kubectl get all --selector app=my-dep2 post the edit is: kubectl get pods <pod-name> -o yaml kubectl get pods my-helloworld-rs-c8rrj -o yaml Step-03: Expose ReplicaSet as a Service ; Expose ReplicaSet with a. If there is a very large number of Pods, though. With IPVS mode, you can change the traffic distribution algorithms to something else. Autoscaling is also an option with ReplicaSets using kubectl autoscale rs web –max=5. Find the replica-set with kubectl get replicasets. $ kubectl run nginx --image=nginx --port=80 deployment "nginx" created. yaml. metadata. spec. I created a deployment and defined a hpa rule for it: kubectl autoscale deployment my_deployment --min 6 --max 30 --cpu-percent 80 I want to run a . spec. If you want the rolling update functionality please consider using Deployments instead. 0. If you want the rolling update functionality please consider using Deployments instead. $ kubectl get replicasets View ReplicaSets on Cluster. Sep 16, 2022 at 21:35. After scaling the ReplicaSet, you can verify the changes by examining its status and the associated pods: 1. Now run the below kubectl get command to verify the list of namespaces on your Kubernetes cluster. This will log out a good starting template for you to copy and paste, and get up to speed. The next part in the manifest is the selector field. Comme avec tous les autres objets API Kubernetes, un ReplicaSet a besoin des champs apiVersion, kind et metadata . kubectl logs -l=app= {app-name} -c= {container-name} -n= {namespace} As you can see the options with the kubectl logs -h command. $ kubectl set image deployment/newsconsumer-deployment. This procedure allows you to set different settings for the replica set resource, such as overrides for statefulSet configuration. This procedure allows you to set different settings for the replica set resource, such as overrides for statefulSet configuration. Normal SuccessfulCreate Created pod: frontend-9si5l $ kubectl get pods NAME READY STATUS RESTARTS AGE frontend-9si5l 1/1 Running 0 1m frontend-dnjpy 1/1 Running 0 1m frontend-qhloh 1/1 Running 0 1m ReplicaSet as an Horizontal Pod Autoscaler target. 1 <none> 443/TCP 9d NAME READY UP-TO-DATE AVAILABLE AGE deployment. Wait until the Pods have been terminated, using kubectl get pods to check their status, then rescale the Deployment back to your intended replica count. metadata. -69946b945f-txvvr 2m24s Normal ScalingReplicaSet deployment/dummy-deployment Scaled up replica set dummy-deployment-69946b945f to 1 kubectl -n default get pods | grep. First, let us know what kubectl is before we get to see the common commands associated with kubectl. Pods in a replica set are controlled by the Replica Set Definition of the replica set, e. Toye Idowu. Also the command won't show the situation when DESIRED = 2 but RUNNING = 1. 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. Note: This is not a production configuration. kubectl apply -f Service. Certificate. 9, la version de l'API apps/v1 pour le type ReplicaSet est la version actuelle et activée par défaut. I tested this on kubernetes 1. The issue happen because the Replica Set configuration points to the other nodes using your internal cluster IPs, so you will see. 2 image is utilized. If we need to update the application to a new version, we can create a new replica set with the updated configuration and scale down the old replica set. It's also good to know that the. # Verify k get pods -n sample.