Oc get pods filter by label For example, in the case of 1/2, it means:. creationTimestamp I get a list of rows with columns NAME, READY, STATUS, RESTARTS, AGE, sorted by age. com Ready worker 7h v1. Labels are used to manage and organize generated objects, such as pods. 199. Calling objects on the Pod class returns a Query object which provides the filter method. Commented Jul 4, 2020 at 6:17. creationTimestamp NAME READY STATUS RESTARTS AGE ubuntu-pod-1 2/2 Running 0 26m ubuntu-pod-2 2/2 Running 0 13m7s Thank you, this is how i finally got rid of alerts from Cronjob pods, but keeping alerts of regular pods state: # rewrite previous rule to avoid failed Cron jobs # I had to add labels to Cronjob pods and keep them in kube-state-metrics configuration - alert: KubernetesPodNotHealthy expr: sum by (namespace, pod) This field follows standard label selector semantics. kubectl logs -f deployment/myapp -c myapp --tail 100 -c is the container name and --tail will show the latest num lines，but this will choose one pod of the deployment, not all pods. Simple code that will go through pods in specific namespace, save pods with PVC to new list and print: You can use node selectors on pods and labels on nodes to control where the pod is scheduled. Groovy has this very nice JsonSlurper library that made the reading and filtering really easy. Follow You can also use the `-l` flag to filter pods by label. . 164. ; How I can get all pods running on a specific node on OpenShift Container Platform 4. AWS Consulting; Managed Kubernetes Service We can also use the label selector to filter the required pods. I have come this far to get me a list of all pods: Meanwhile I wrote me a Groovy-Script. oc get configmap. For example for the label or selector app=http-svc you can do something like that this and avoid using grep and listing all the pods (this becomes useful as your number of pods becomes very large). Follow answered Sep 20, 2020 at 13:06. kubectl get replicaset --all-namespaces If you want to limit the resulting columns, we can use the --0 custom-columns= parameter as below. When running kubectl get events, is there a way to filter by events without knowing the name of the pod?. 20. The above command list the deployment names. – CallMeLaNN. kubectl get pods --selector=module=ddvv-script --output=jsonpath={. When you are able to see the logs from desired Pods/Containers it is time to use How to find Pods by label¶. fileN> -n my-namespace oc extract secrete/<myconfigmap> --key=<my-data. com in this Use saved searches to filter your results more quickly. – NeverMore We can see pods jenkins-1-deploy and mynew-app-1-build are already instructed to delete but still hanging in Terminating state. ch mylabel=myvalue # oc label pod mypod-34-g0f7k mylabel=myvalue. Adding the parameter --show-labels will display the labels of the test -f all-Pod. " How can I use the --output=custom-columns option for the the Kubernetes CLI (kubectl) to select array elements?. txt However, i am unable to use wildcards e. oc get hpa dc Is there a simple method (that won't require googling at every use) to get names of all deployment configs with no running pods (scaled to 0) in Kubernetes / Openshift? Methods without JSON tokens and awk please. For example: kubectl get pods my-pod -o=custom-columns='DATA:spec. To remove a label (in the example “mylabel”) from a node or pod: # oc label node node001. 1. kubectl delete pod -n foo $(kubectl get pods -n foo --field-selector=status. Update the annotations on a resource. With node selectors, OpenShift Container Platform schedules the pods on nodes that contain matching labels. 4+b626c2fe1 2 hugepages-1Gi: 0 hugepages-2Mi: 0 memory: 8172516Ki pods: 250 Allocatable : attachable-volumes-aws-ebs: 39 cpu: 1500m (label Using pods, I've created a new custom post type named staff_member which contains a field staff_department_relationship of type Relationship that is related to a custom taxonomy staff_department. nodeName Get early access and see previews of new features. you can instead include the node name on the pods output, then filter against the node list: I would like to get this information on the command line via the oc command. items[]. With that said, there are a couple of tricks you can rely on to filter your oc get output before you even have to pull in external tools (bonus points because this filtering occurs on the server before it even hits your local tools). my deployment file looks When doing oc get pods, you'll get a result like the one below NAME READY STATUS RESTARTS AGE x-processor-v1-0-0-snapshot-12-build You could simply use the field-selector option from the native kubectl CLI to filter out non-running pods: kubectl get pods --field-selector status. oc get pods reports the pod as unready until a suitable node is available. No resource limits. #do not show inactive Pods. image}' return image even if current rollout is unsuccessful. The supported operators are =, ==, !=. Keeping them around allows you to still view the logs of completed pods to check for errors, warnings, or other diagnostic output. creationTimestamp | tail -n +2 | tac or if tac is not available (MacOS X): $ kubectl get pods --sort-by=. phase=Running You can use the tag --custom-columns in kubectl command to get the nodeName:-o=custom-columns=<spec> Print a table using a comma separated list of custom columns. oc get pods - Lists the pods in the current namespace oc get pods -A - Lists the pods from the cluster oc describe pod <podname> - Displays the details of the We are really getting into a regexp questions now! grep -E my-pod-[0-9]+ should filter out only those pods with numbers at the end. 19. lastTimestamp' Use saved searches to filter your results more quickly. json description = 'my frontend' # Update pod 'foo' with the annotation 'description' and I have also another question, how to filter all pods which with label like "labels": { "app": "tas-core" } ? kubernetes; Share. We did not need to add an additional scrape config to collect pod labels (in fact we couldn't do that because not all our pods have /metrics endpoint), what we did need to however was to widen the allow list because by default only name and namespace labels are collected. 534 3 3 As an alternative, you can leverage both using a kubectl selector to query all pods with label app=myapp and jq to query and format the resulting json to get you the name and annotations for each of the pods. Here is how you can add or remove a label from a node or pod: To add a label to a node or pod: # oc label node node001. To see all OBJECT MESSAGE openshift-marketplace 142m Normal Scheduled pod/redhat-operators-6mnwr The oc get service command followed by the name of a service can be used to display an individual service. ~]# oc get service myService001 NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE myService001 ClusterIP 172. The labels specified in the template are applied to every object that is generated from the template. But I need the info for an image that I may not have locally. phase=Running is needed as the question mention all the running pod names. In Java (which I'm using) you can also get the hostname (and thus the name of the pod) by calling System. If omitted, this selector selects no namespaces. 29) be achieved via the following command - Also note the labels. sample output for the command First find the pod: oc get pods. Copy link cfergeau commented Apr 26, 2021. DeploymentConfig. phase=Running The --field-selector=status. # If the same annotation is set multiple times, only the last value will be applied oc annotate pods foo description = 'my frontend' # Update a pod identified by type and name in "pod. g *. 2. ~/Desktop/artifacts/samples$ kubectl get pod --show-labels NAME READY STATUS RESTARTS AGE LABELS example-pod 1/1 Running 0 18h Example: kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE alpine-3835730047-ggn2v 1/1 Running 0 5d 10. name} Share. We also provided a few I want to get the specific value of an annotation into a kubectl custom columns field. Name. oc get limitranges. #show all resources. It doesn't generate pods' A records as you may expect after reading the documentation:. This is the closest point I get: You can use a label selector to restrict the query to a set of resource objects. The oc config view or oc get apiserver commands can be used to display the API Server URL (api. 6. g. – Graham Dumpleton Is this a BUG REPORT or FEATURE REQUEST?: Uncomment only one, leave it on its own line: /kind bug /kind feature What happened: The current man/help page for --selector is hard to understand the cor Using Field Selector i can list completed pods, but not able to find the correct command to list down required pod with specific name. You can use the --selector option to select Pods with a specific label: oc get pods --selector='Rel50' To view the pods in a project: Add the -o wide flags to view the pod IP address and the node where the pod is located. Label Selectors depend on labels to select a group of resources such as pods. oc get pods. E. 1. The selector option can help us to select a subset of pods with kubectl. To see all available qualifiers, oc get pods --selector deploymentconfig=blog -> No resources found in myproject namespace. I am trying to do this with Azure Pipeline's Kubectl task, which is limited to passing arguments to kubectl get events, but does not allow subshells and pipes, so grep and awk are not available. NewForConfigOrDie(config) // create a temp list for storage var podslic Dynatrace automatically detects all labels attached to pods at application deployment time. phase==Succeeded and pod name is App3-something How to parse the json to retrieve a field from output of . kubectl get pods -l service=usercontent or something like this. I've tried kubectl get pods --field-selector=status. 1) on the dashboard to filter by label. In other words, how can I turn this: kubectl get services #=> NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kafka-manager NodePort 10. If you would use command $ kubectl get events -o json you would get output similar to: This happens because Go templates pass through whitespace without filtering it; it is left up to the Go template writer to remove that whitespace. 235 9000:32619/TCP 0d spark-master NodePort 10. eg. pods, err := k8s. The first step is, however, to determine which labels are available. can i use kubectl get nodes to get all free nodes. spec. key,TaintValue:. The selector parameter can take a dictionary of label names and values to filter by: Issue. Here you can find more about the tag and see usage examples. Suppose I have the following pods with the labels. However, I cannot find a way to get this specific information. Home; Cloud Services & AIOps. If you have multiple databases pods or apps it is quite useful. if you deployed an application, you usually set a label on the pods e. name, annotations: . oc extract configmap/<myconfigmap> --key=<my-data. example. items. The * character is used to indicate the current project being used. In this example, the events for mypod001 will be displayed. juanvallejo assigned juanvallejo and and implements a working filter handler for pods. How to get all the pods created by deployment? Even a shell script way would be fine. annotations)' > all-Pod. kube_pod_info{namespace="test"}---> Filters pods by namespace test. if we allow regex filter for field-selector and users submit a very generic regex then the cache will be bloated. metadata. In general I use awk and xargs together to delete the resources. Learn more. phase=Failed -o=custom-columns=NAME I have namespace with few deployments. I have a label filter to get only the specific pod I want to, but the first pod that will shown up is the oldest one. shell; kubernetes; openshift; Share. watch oc get pods. 20. I know I can get the pods using: kubectl get pods -n "namespace", and also to retrieve a json output I'm trying to expand to get the pods name, the associated images, and a label attribute called 'base'. When the nodes are ready and available, verify that the label is added to the nodes by using the oc get command: $ oc get nodes -l <key An equality-based requirement will match the specified label and filter the resources. sudo I know kubectl can be used to add labels, e. annotations. json" oc annotate -f pod. How can I join kube_pod_info & kube_pod_labels to apply label filter When I run kubectl -n abc-namespace describe pod my-pod-zl6m6, I get a lot of information about the pod along with the Events in the end. I can get all the current annotations on a resource like so: kubectl get pvc -o custom-columns=NAME:. Build. 8. That's how a deployment manages its pods. uid ). For example: kubectl logs -l app=nginx -l app=php Use -c flag if you need to see container logs. Status or CPU. Running Containers in POD/Total Containers in POD. One of the deployments has a specific label (my-label=yes). 0xmichalis assigned juanvallejo and #Monitor Pod status. Here is another answer by showing the custom field when get pods and filter by the . use the below It'd be great if oc get events could by default sort by lastTimestamp, it just makes more sense instead of having to type more oc get events --sort-by='. 4+b626c2fe1 node2. I want to select all the pods on one node but I don't want to label each pod on their corresponding node. Then I can navigate the results, but have no way to filter based on data displayed e. For example: $ kubectl wait --for=condition=ready pod -l app=netshoot pod/netshoot-58785d5fc7-xt6fg condition met Sometimes it get timed out after apply/rollout restart even thought kubectl get pods returns ready. Pod In addition, prefer to filter by label, rather than specifying pod id. Kubernetes identifies the container by k8s_<service-name>_<pod-name>_<namespace>_<unknow-code>. " sleep 3 done Above script just keeps saying "Waiting for pods to be ready" even when the pods are ready and displaying 1/1 in the READY column. Procedure. Use this approach if you want to get image from successful/running pod. Follow asked Apr 20, 2016 at 11:09. Commented May 22, 2020 at 5:51. This is how it done with kubectl: kdev get pods -l my-label=yes it's working. kubectl get deploy -o json | jq '. The oc get command allows you to display details about resource objects. ownerReferences. You can use the pods verified option, which returns an A record only if there exists a pod in same namespace with matching IP. 30. As already explained in the previous you can use the labels if the pods shares any. Commented Apr 1, 2020 at 19:35. This also lets you preserve separate matching paths, as your current query only returns streets, but you lose path information, or even if multiple paths are available. You can filter the list using a label selector and the --selector flag. What does this tell us? It means the pod has two containers, but only one Kubectl supports JSONPath template. oc is the OpenShift client that is basically kubectl + extra support for OpenShfit features. Am I missing something from the documentation or is it just not possible to select by node? What you could do is query using labels. Not sure if you can also use --template with some logic in it to filter. More supported flags and examples can be found here. oc get secrets. blndev blndev. Third is to connect to the container by oc rsh --container CONTAINERNAME PODNAME. Clorichel Clorichel. The pods insecure option is provided for backward compatibility with kube-dns. label_values(up{service=~"abc. If the desired resource type is namespaced you will only see results in the current namespace if you don't specify any namespace. +" with "misc", and we then sum by the "new_group" label. effect" and you have your own nice command to get all taints and your output should look something like below. creationTimestamp -o jsonpath='{. importance == "normal")' The major problem is there is a cache/indexer in the apiserver that helps to accelerate the operation with field-selector. kubectl label pod my-pod new-label=awesome # Add a Label kubectl label pod my-pod new-label=awesomer --overwrite # Change a existing label I was hoping there would be an equivalent method via the go-client? oc get pods . Discover the step-by-step process of creating PODs with labels using Kubectl and YAML on our website. Though cryptic my quest for a list of supported fields for the label selector has finally yielded some results – Wouter van Vliet. If a pod is deleted it gets filters (bool) false: A comma separated list of field names (relationship only fields) to be passed as the ‘fields’ parameter to filters(). You can use --all-namespaces flag to get pods. However, you can use the -l flag to use a selector (label query) to filter on. But the OR expressio To Connect to the fabric instance with oc login command oc login url--token=<token>> Check to connect pod using terminal oc rsh <podname> Just Check if it connects to POD and do some ls -lh(it should give some response) To Copy the file from remote POD to your local: oc rsync <podname>:<path>/logs. This section explains how to find Kubernetes pods by a set of known labels. In addition to the original JSONPath template syntax, the following functions and syntax are valid: Use double quotes to quote text The easiest solution is probably using jq. | {pod: . ex : status=completed. oc get pod -l labelname=value I'd like to do a kubectl get pods and filter where the pod is in a status of ImagePullBackOff. Something like kubectl get pods -l mylabel=myvalue --all-namespaces – jordanm. kubectl get pods --sort-by=. job2 Completed. Once a node is available and all pods are back in ready state This should work (replacing up with the metric you mention):. Delete all pods and services matches patttern1 and pattern2 $ kubectl get pods -n mynamespace --no-headers=true | awk '/pattern1|pattern2/{print $1}'| xargs kubectl having lots of failed deploy pods or completed build pods is kinda messy when viewing pods with oc get pod or via the Pods tab in UIs - it can be hard to see the wood for the trees when you've, say, 6 different pods and lots of failed deploys or completed builds. sorting by inconsistently formatted elapsed time field ( k8s events by actual time since event ) There's a label in the pod for the selector in the deployment. kubectl get pods --all-namespaces From your output, it looks like you are trying to print the replicasets as there is a PODs count column in the output. For example to get all deployments where that particular annotation is not "true". oc get resourcequota. annotations}' For oc get pods --sort-by=. ListPodsE( t, k8soptions, filter, ) where the filter is initialized with a string labelSelector like this, In case you have several pods of the same service good chances that they are managed by some ReplicaSet with the use of some specific label. oc get service. Query. TIP kubectl get pods -l env=development (GIVES ME RESULT) kubectl get events -l env=development (GIVES ME: No resources found in default namespace) I'm afraid you are not able to filter $ kubectl get event output by labels/selectors. oc describe pod/mypod001 . name,TaintKey:. Follow It's not possible so far (v. Follow answered Dec 3, 2018 at 18:20. I tried to do: oc scale dc name_of_deployment--replicas=2 Use saved searches to filter your results more quickly. nodeName' will return the node name. Second task is to list all containers oc describe pod/NAME_OF_YOUR_POD. Something to get below output. I have a label called "label_source=“k8s" in kube_pod_labels. Not a command-line If you are not familiar with the oc command, refer to OpenShift - Getting Started with the oc command. 4. How can I get the youngest one (latest)? In Short: How to get the latest instantiated pod $ oc get nodes NAME STATUS ROLES AGE VERSION master. Commented Aug 14, 2018 at 4:18. You have two options to read this pod label from within the container: via environment variables as explained Expose Pod Information to Containers Through Environment Variables ; via files as explained in Expose Pod Information to Container Though A solution to retrieve all containers running in a pod is to run kubectl get pods POD_NAME_HERE -o jsonpath={. creationTimestamp | tail -n +2 | tail -r I then found the command oc get pods -n openshift-console -o name which reveals: pod/console-59f557f67d-ks5kq pod/console-59f557f67d-q6zrc pod/console-59f557f67d-w4q7l pod/console-59f557f67d-zvxzn pod/downloads-55f4ff79-lqdj7 pod/downloads-55f4ff79-mrfzn So I was right, $ oc get pods NAME READY STATUS RESTARTS AGE ruby-hello-world-1-build 0/1 Completed 0 9d ruby-hello-world-1-sg623 1/1 Running 0 9d danmcp added the priority/P2 label Jul 19, 2016. For illustration: apiVersion: v1 kind: Service metadata: name: generator-agent-service-1 labels: app: agent-service spec: type: NodePort ports: - port: 8085 protocol: TCP selector: statefulset. If present but empty, this selector selects all namespaces. For openshift you do not need to provide any namespace if you just want to access resource in your current project so you can just remove the "-n namespace" from the commands like. As an administrator, you can perform a number of tasks to make your clusters more efficient. Note that this command is very convenient when one How the OR expression can be used with selectors and labels? selector: app: myapp tier: frontend The above matches pods where labels app==myapp AND tier=frontend. fileN> -n $ oc get pods -o wide. 11. filters_label (string) ‘Search’ The label to use for the search text: filters_location (string) ‘before’ Where to show the filters before/after the list: field (string) null: The field name to Synopsis Print the logs for a container in a pod or specified resource. You can view the log for various resources in the OpenShift CLI (oc) and web console. #1093. label Feb 9, 2018. 242. phase=Running. Filters affect resources being printed through the HumanReadablePrinter I have tried to list pods based on labels // Kubernetes client - package kubernetes clientset := kubernetes. pod. You can display usage statistics about pods, which provide the Run the following command to view the usage statistics for pods with labels: $ oc adm top pod --selector = '' You must choose the selector (label query) to filter on. ec2. OpenShift Basics label Apr 23, 2021. Share. Nicola Ben Nicola Ben. Follow edited May 11, 2018 at 5:25. If your Kubernetes cluster is running in the cloud and distributed across multiple regions or zones, you can also try to list nodes of a particular type or list nodes and persistent volumes in a particular region or zone. you can get the label from your deployment and filter all deployments using that label and get the pods list thereafter using script shown above. # Update pod 'foo' with the annotation 'description' and the value 'my frontend'. Edit:. For example: $ oc get pods --selector app=blog NAME READY STATUS RESTARTS AGE blog-1-vqj1x 1/1 Running 0 If you are trying to get the most recently created pod you can do the following. Red Hat OpenShift Container Platform (OCP) 4. So, if you want to leave only metrics with label l1 equal to values v1 or v2 or empty value (missing label l1) you can use following: <my_initial_query> and on(l1) ( absent(_{l1="v1"}) or We are using kube-state-metrics as a sub-chart of kube-prometheus-stack. So, let’s try the first method by deleting the pod forcefully. The pods kubectl does not support delete the resources by a regex pattern. Running oc adm manage-node --list-pods is with openshift-clients 3. kubectl get event -o custom-columns=NAME:. Selectors can be used in a variety of ways, such as to select the Pods that a Service should expose, or to select the Pods that a As mentioned here already there is no easy and straightforward way of filtering this. Not supported by kubectl or the kube-apiserver as of this writing (AFAIK), but a workaround would be: $ kubectl get pods --sort-by=. items[]|select(. The docs of oc get dc --help are way too long to decipher for the occasional need. Now I want to do it with Kubernetes API. Zhi Yuan Zhi Yuan. Kubectl uses JSONPath expressions to filter on specific fields in the JSON object and format the output. Commented Jun 21, 2022 at 18:48 @Julie you should to accept answer – Jan Garaj. 2 min read | by Jordi Prats. Creating a new label for POD. Supports =, ==, and !=. To see all available qualifiers, The part of the command oc get pods|grep recommendation-v2|awk '{ print $1 }' Fri, 23 Nov 2018 11:26:48 +0100 Labels: app=recommendation deployment=recommendation-v2-3 deploymentconfig=recommendation-v2 version=v2 It seems that we need to use loop and filtering - similar question on the GitHub:. Skip to content. 3. io/pod-name to select pods in a service. Oc get pods - Command to just print pod names. 6? Environment. 3. 22. kubectl get deployment -o json| jq '. internal kubectl get pods -o wide --namespace=machines | sort -k7 or to omit the first line. Viewing resource logs. Example output. 235 I am trying to get a list of specific labels of all pods, ideally using a GET request to the OpenShift API (i. name}' Note the -1: gets the last item in the list, then we return the pod name When using Kubernetes it is more common to use labels and selectors. name}, however this command line does not provide the init containers. io/pod-name: generator-agent-pod-1 But in production, I would send all the logs of all the pods to a centeral Log management system such as ELK by deploying a log sending client on the kubernetes cluster as daemon-set such as fluentbit, that will keep sending logs to ELk where I am able to filter things base don the namespace , pod , container , or any other label. kubectl get deployment deploymentname -o=jsonpath='{$. 11 available, but not with version 4. Run Run oc help to list all commands or run oc <command> --help to get additional details for a specific command. openshift. *xyz"}, service) Or, in case you actually need to look across multiple metrics (assuming that for some reason some metrics have some service label values and other metrics have other values): $ oc get pods -o wide. labels. oc get pods --show-all=false . kubectl get po -l app=myapp -o=json | jq '[. oc get route. name status. Example: kubectl get pods -l 'env in (production Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Often there is more than one search result returned from / filter command which is confirm by pressing Enter. It also users go-template to filter out specific fields of the kubernetes-event object. The oc describe pod/<pod name> command can be used to display the pod events. kubectl logs -l app=myapp -c myapp --tail 100 I am using the service name as a filter. The object types included in oc get --export all are: BuildConfig. Commented Oct 23, How to find supported values of fields in pod spec. Synopsis Display one or many resources. Even if i use the -o json option still unable to get the pod names. yaml. You may be able to get a more efficient query in 2. 4+b626c2fe1 node1. QUESTION: Is this possible? kubectl logs is limited to viewing a single pod’s logs at a time. items[-1:]. Menu. The oc get pods command can be used to list the pods in the currently selected project / namespace. txt files. You can get a list of pods for the actual deployment using a label selector when running oc get pods. I also The pod name is written to /etc/hostname so it's possible to read it from there. 2. kubectl delete pods -l app=my-app This is an extension to the question here - how can I get the list pods running on nodes with a certain label? I am trying to find the pods in a specific zone (failure-domain. json: test -f Here is the list for oc cli commands that is mostly used and can come handy for your exam preparation : You can download the pdf attached with this post at the bottom. Here's a variant of the answer by dansl1982 above that will delete all pods with a particular label in all namespaces. To get a list of Deployments that deploy Pods with the label importance: normal, you could do this:. kubectl get pods -l app=my-app. How to extract only status from the above result and store it in a variable using shell script. Logs read from the tail, or end, of the log. Kubernetes sort pods by age. file1>,<my-data. containers[:1]. annotations -n monitoring This Use saved searches to filter your results more quickly. If i type kubectl get pod it displays the pod names which is having some random extra strings added with deployment names. but my namespaces does not list under labels or i did not understand the suggestion. value,TaintEffect:. "stork oc get pods | awk '/^podB/{system("oc delete pod " $1)}' Anyway i would recommend using the method provided by Dashrath Mundkar. json || oc get Pod -o json --all-namespaces | jq 'del(. By specifying the output as 'template' and Set-based label requirements allow filtering keys according to a set of values. The complete command would be kubectl get pod --all-namespaces -o wide, this will give all the details including node information. beta. app=my-app and you can then get the pods with e. oc get pods -o wide . which does not tell us if there is an issue processing the labels or if there are actually no labels: $ oc get pods -o go-template-file=podlist. containers[*]. This way, the OneAgent code modules can read these labels directly from the pod. The command with wildcards does not give any errors but doesn't delete any files. txt to remove all . Since they are terminated, they don’t show up with kubectl get pods, but they will show up with kubectl get pods -a. If the pod has only one container, the container name is optional. If you are not familiar with the oc command, refer to OpenShift - Getting Started with the oc command. Thanks for contributing Using kubectl get pods and greping for the name works but it does not show the services and other resources that got deployed when this helm chart is deployed. Arghya Sadhu Arghya Kubectl get pods - How to filter pods by partial name. To It would be great to just have oc get pods --all-namespaces just work on projects the user -ci-robot added the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. metadata}][] | {name: . #Gather information of a pod deployment with more details. I suspect the reason is that ownerReferences is an When a Job completes, no more Pods are created, but the Pods are not deleted either. Prints a table of the most important information about the specified resources. Some of the [simpler] filtering can be done with combination of set operators unless, and and or. via a browser URL). 69 ip-10-35-80-221. Using this aproach, it is easier to delete the pods you are interested in, with e. Step 1: Delete pod forcefully $ oc delete pod jenkins-1-deploy -n myproject --grace-period=0 --force Some other label than pod_name can be used as long as it's shared between the pods you want to count. job1 Running. 3k 8 8 There is not way to do the filtering by annotation at the server side, but you can get the list of all pods or deployements and filter it locally, with clever use of -o=jsonpath or using jq which I find more intuitive. alias get-nodetaints="kubectl get nodes -o=custom-columns=NodeName:. You will have to provide some examples of what is and isn't working for you. Here is another way to do it: kubectl get pods -o=name --field-selector=status. kubectl get pods -o wide --namespace=machines | sed -n '1!p' | sort -k7 Also, you should be able to do this by --sort-by option in kubectl: kubectl get pods --all-namespaces -o wide --sort-by=. To use we just need to set the filter using the key=value format: $ kubectl get pods-l "app=spin" NAME READY STATUS RESTARTS AGE spin-clouddriver-9899c9b54-nbjp6 1 /1 Each node could have a different set of images loaded; the nodes will pull images as they're referenced in Kubernetes manifests, and remove them on their own if they become unnecessary. App3-something 1/1 completed 570 2d kubectl get pod --field-selector=status. I tried using kubectl get events --field-selector Start by playing with oc get pods --sort-by=. I'd like a quick one liner to clean up dead/terminate/failed pods in a namespace. containers[]. 200 146. it is kind of easier. krenger. For example, the following command will list all pods that have the label `app=nginx`: kubectl get pods -l app=nginx. Run oc get -h for more examples. kubectl get pods -l app=rabbit You will get all pods that related this service. answered Apr 7, 2018 at 17:44. 21. Grant viewer role to service accounts kubectl get pods --field-selector 'metadata. uid=262bab1a-1c79-11ea-8e23-42010a800016' This command fails ( field label not supported: metadata. 13. What you can do though, is to get a list of recently deleted pod names - up to 1 hour in the past unless you changed the ttl for kubernetes events - by running:. name | cut -d ". So you can get the ID of a container by sudo docker ps -a -q --no-trunc --filter="name=k8s_<service-name>_<pod-name>_<namespace>". Is there a way to output just the Events of the pod either using kubectl describe or kubectl get commands?. As stated in the Kubernetes documentation regarding ReplicaSet. for example,there is no pods running on node1 and node2,and pod1 running on node3. When run, it will display a set of default fields for that resource type. Commented Jun 21, 2022 at 18:49. 890 1 1 gold badge 15 15 silver badges 21 21 bronze badges. Add the -o wide flags to view the pod IP address and the node You must choose the selector (label query) to filter on. kubectl get pods -l env=test. The easiest way to sort the pods by age is by using the –sort-by flag along with the kubectl get pods command: $ kubectl get pods --sort-by=. # Update pod 'foo' with the To view the usage statistics: You must choose the selector (label query) to filter on. In this blog post, we discussed how to use the `kubectl get pods –sort-by age descending` command to sort pods by their age in descending order. Working with nodes. The oc get projects command will list the available projects, like this. You can use a label selector to restrict the query You can list all the nodes in your cluster to obtain information such as status, age, memory usage, and details about the nodes. All you have to do is grant sufficient privileges to the pods that allow for reading the metadata from the Kubernetes REST API endpoint. JSONPath template is composed of JSONPath expressions enclosed by curly braces {}. Is there a way to cleanly retrieve all containers running in a pod, including init containers? CoreDNS creates A and SRV records only for Services. $ kubectl get ns -l=this NAME STATUS AGE nswithlabels Active 6m And to list all pods that do have the rel label, run the following command: $ kubectl get po -l rel The command should show all pods except the quiz-stable pod. EMI Filter design (for failed conductive emission test) OpenShift commands to work with Pods. Something like -l $ Kubectl get pods -l environment=production,tier=frontend kubernetes; kubernetes-dashboard; Share. If you have multiple containers in a pod you can use this command: The query is a regular expression so the pod name can easily be filtered and you don't need to specify the exact id (for instance omitting the deployment id). here are some examples command line: # single label kubectl get pods How to access pod name/lable in filter section of otel-fargate-container-insights. The pod index is exposed as via pod label app. Add a comment | Your Answer Reminder: Answers generated by artificial intelligence tools are not allowed on Stack Overflow. kubectl logs [-f] [-p] (POD | TYPE/NAME) [-c CONTAINER] Examples # Return snapshot logs from pod nginx with only one container kubectl logs nginx # Return snapshot logs from pod nginx, prefixing each line with the source I just want to filter free nodes use kubetl (if possible). I want to get all the pods with this label. For example:! partition My@Pc:~$ kubectl get pods --show-labels | awk '$6 !~/app/ {print ;}' NAME READY STATUS RESTARTS AGE LABELS My@Pc:~$ kubectl get pods --show-labels kubectl get pods -o wide | grep <node> | awk {'print $1'} | xargs -n1 command kubectl top pods --no-headers kubectl get pods -o wide: display pods with their associated node information; grep <node>: let you filter pod located on a specific node; awk {'print $1'}: print the first column (name of the pods) xargs -n1 command kubectl top pods --no It gets podname of pods which has label module=ddvv-script. Thanks for reaching out ! Labels are key/value pairs that are attached to objects such as Pods, ReplicaSet, Deployments, Services, etc. Also the date when I retrieve this information. 2,070 1 1 gold badge 15 15 silver badges 25 25 bronze badges. phase=waiting and kubectl get pods --field-selec You can get help from kubectl logs -h and according the info, . This can now (kubernetes 1. podSelector. To list down pods for a particular namespace kubectl get pod -n YOUR_NAMESPACE -o wide. Something like this should be returned. – iamabhishek. Here, I want to include filter based on labels as well. A node contains one or more pods, and each pod contains one or more containers. gotemplate POD: httpd-example-1-build NODE: worker $ kubectl create ns nswithlabels $ kubectl label namespace nswithlabels this=thing $ kubectl describe ns/nswithlabels Name: nswithlabels Labels: this=thing Annotations: <none> Status: Active No resource quota. If not provided, this selector selects no pods. The reason for using a new label is the series would no longer be unique if we just overwrote the "group" label, and the sum wouldn't work. NAME READY STATUS RESTARTS AGE mypod001 1/1 Running 0 8d mypod002 1/1 Running 0 8d mypod003 1/1 Running 0 8d . 209 104. getenv("HOSTNAME"). 6 The kubectl get command is used to list resources in Kubernetes. e. This field follows standard label selector semantics. 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. By using the native CLI you can use the custom column filter as part of the same single command for additional output customization: ready=$(oc get pods | awk '{print $2}' | tail -n +2) # prints 1/1 or 0/1 for each pod until [[ ${ready} == "1/1" ]] do echo "Waiting for pods to be ready. creationTimestamp. When you perform node management operations, the CLI interacts with node objects that are In multiple oc commands you can use the parameter -l with a label to filter the result. io/zone) Skip to main content. Add a Reading the Kubernets documentation it looks to be possible to select a certain range of pods based on labels. com Ready master 7h v1. Hello I want to call the API to get the latest pods. You can view the log for various resources in the OpenShift CLI (oc) and web I know we can do the following commands: kubectl get pods -l app==<kafka> gets pods with kafka label kubectl get pods -l app!=<kafka> gets pods without kafka label kubectl get pods -l app=kafka,env=staging gets pods with both kafka and staging labels; But what about if I want to list all the pods which have either kafka or zookeeper label. Radek’s answer is spot on! To add a bit more clarity: In simple terms, the READY column indicates the number of running containers within a pod versus the total number of containers. Improve this question. Hot Network Questions $ oc get pods -n openshift-console NAME READY STATUS RESTARTS AGE console-698d866b78-bnshf 1/1 Running 2 165m console-698d866b78-m87pm 1/1 Running 2 165m. env) | del(. Kubectl get pods - How to filter pods by partial name. kubectl get pods -o json From the command line I need to obtain the system generated container name from a google cloud cluster Here, I have kube state metrics info in prometheus for kube_pod_info & kube_pod_labels. On most kubectl command we will find the selector option for filtering pods based on it's labels. $ oc get pods --selector app=training NAME READY STATUS RESTARTS AGE training-22-g67cv 1/1 Running 0 1h training-dc712ef4-d9b5-11e8-93ff 1/1 Running 0 1h By default a minimal set of fields will be displayed for any resource type. You can display a Hello @khokha !. This is something you have to bear in mind. . Three kinds of operators are supported: in, notin and exists (only the key identifier). ch mylabel- # oc label pod mypod-34-g0f7k mylabel- (with OpenShift/OKD oc tool) you can extract data from a ConfigMaps or Secrets as files:. Hope this helps. oc get all. Follow answered Jan 21, 2019 at 11:59. taints[*]. That is pretty much enough to identify a container by service name, pod name and it namespace. 121 <none> 12345/TCP 114d To fetch pods with a specific label: kubectl get pods -l env=prod. Ask Question Asked 2 years, I need to use pod instead: Label(“pod”) – Julie. kubectl get po -l app=deploymentname --field-selector status. Stack Overflow. ImageStream. kubernetes. If so, you can use label statefulset. I have a code that uses k8s module of terratest to list pods based on label selector. name,"ANNOTATIONS":. No, looping and filtering is the only way to locate pods using a specific PVC. This is a label selector which selects Pods in this namespace. io/pod-index as explained in Ordinal Index and Pod index label. This allows you to filter pods based on multiple values for a label. If the all in the question is for all the namespaces, just add the --all-namespaces option. txt localfilename As of today, kubectl get pods -a is deprecated, and as a result you cannot get deleted pods. You can delete by label by issuing kubectl delete -l mylabel=value. metadata|select(. Command for listing all the possible values you can put in the yaml. – rookie099. Via oc describe pod I can find the digest of the image and if I have it my local Docker I can use docker inspect to see the labels. I first recommend running oc get pods --show-labels, because if the pods you need are appropriately labeled, I am new to Openshift , and want know how to change the number of pods of specific deployment from oc command line. You should see it if you run: kubectl get pods --show-labels Now for aggregating logs for instance you could use label selector like: kubectl logs I am trying to run remote commands on the openshift pods to delete some files in certain directory and the below command works: oc exec mypod -i -t -- rm -f /tmp/mydir/1. template. if you use something like WITH p, FILTER(node in NODES(p) WHERE (node:Street)) as streets. The inner label_replace copies all values from group into new_group, the outer overwrites those which match "misc group. Improve this answer. 148. You must choose the selector (label query) to filter on. wqqfjtp jvdmrx pglfr ymqbzsvg qrgj blpo iitcv ghoalqv kctx vdlgk