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When you use an image WITHOUT a tag, Kubernetes will assume that you want the latest version of the image, which is identified by the latest tag by default. If you have multiple versions of the same image in your repository with different tags, such as img1:1.0.0, img1:1.1.0, and img1:latest, Kubernetes will use the im...	###Instruction: I was checking Kubernetes documentation for pulling images. In that, I saw two policies IfNotPresent and Always. In "Always" its stated that If the kubelet has a container image with that exact digest cached locally, the kubelet uses its cached image; otherwise, the kubelet pulls the image with the res...	I was checking Kubernetes documentation for pulling images. In that, I saw two policies IfNotPresent and Always. In "Always" its stated that If the kubelet has a container image with that exact digest cached locally, the kubelet uses its cached image; otherwise, the kubelet pulls the image with the resolved digest, an...
You won't be able to use the current ManagedCertificate CRD to generate wildcard certificates. Wildcard certificates are only supported by Google Cloud Certificate Manager. ManagedCertificate actually creates the older Google Managed SSL Certificates which do not support wildcards. Currently, the only supported ways t...	###Instruction: By default creating a managed certificate object on GKE creates a managed certificate of type "Load Balancer Authorization". How can I create one with DNS authorization through GKE? https://cloud.google.com/kubernetes-engine/docs/how-to/managed-certs apiVersion: networking.gke.io/v1 kind: ManagedCertifi...	By default creating a managed certificate object on GKE creates a managed certificate of type "Load Balancer Authorization". How can I create one with DNS authorization through GKE? https://cloud.google.com/kubernetes-engine/docs/how-to/managed-certs apiVersion: networking.gke.io/v1 kind: ManagedCertificate metadata: ...
Not sure if you have whitelisted the IP of Spark cluster NAT to Kafka GKE, i think the request is routing outside to internet from NAT and then accessing the Kafka. If both are in same VPC what you can do is expose the Kafka service on GKE with internal private load balancer, once SVC in GKE have private LB attached yo...	###Instruction: I have a Kafka Custer on GKE, and I'm using Apache Spark on Dataproc to access the Kafka Cluster. Dataproc cluster is a private cluster i.e. --no-address is specified when creating the Dataproc cluster, which means it does not have public IP (required due to compliance). Also the Kafka cluster is SSL e...	I have a Kafka Custer on GKE, and I'm using Apache Spark on Dataproc to access the Kafka Cluster. Dataproc cluster is a private cluster i.e. --no-address is specified when creating the Dataproc cluster, which means it does not have public IP (required due to compliance). Also the Kafka cluster is SSL enabled. Note : G...
actual, i'm trying to find out what plugins are used by default too. the kubernetes version i'm using is 1.20.6. i found pretty hard to get the answer from source code. but you can export the configuration used by scheduler isntance by adding an arugument to kube-scheduler.yaml: --write-config-to=/path/to/hostpath/con...	###Instruction: The version of Kubernetes in use is v1.26.3. I have cloned the Kubernetes source code to peruse the scheduler logic. Upon inspection of the framework.go file, I have observed the existence of a frameworkImpl struct. I am curious as to how I can ascertain which plugins have been registered. I am curiou...	The version of Kubernetes in use is v1.26.3. I have cloned the Kubernetes source code to peruse the scheduler logic. Upon inspection of the framework.go file, I have observed the existence of a frameworkImpl struct. I am curious as to how I can ascertain which plugins have been registered. I am curious as to how I ca...
AFAIK, there is no possibility to add labels to your alerts based on condition without rewriting all rules. Best solution for your exact question is to create separate alerts for all environments/teams/conditions and just add static labels. Something along the lines of - alert: many_restarts_data expr: increase(k...	###Instruction: I'm working with Prometheus alerts, and I would like to dynamically add a 'team' label to all of my alerts based on a regex pattern. I have an example alert: expr: label_replace(label_replace(increase(kube_pod_container_status_restarts_total{job="kube-state-metrics",namespace=~".",pod!~"app-test-."}[3...	I'm working with Prometheus alerts, and I would like to dynamically add a 'team' label to all of my alerts based on a regex pattern. I have an example alert: expr: label_replace(label_replace(increase(kube_pod_container_status_restarts_total{job="kube-state-metrics",namespace=~".",pod!~"app-test-."}[30m]) > 2, "team"...
this can be limited by enabling authentication on Kafka You would need to enable asymmetric encryption (SSL / Kerberos) between Kafka and any client. This way, you would delegate public keys to any trusted client, while any untrusted code would be unable to connect without a valid key-pair. Also, the encryption would...	###Instruction: Currently, network policies in Kubernetes allow you to control egress and ingress on the pod. However, if two containers run in the same pod, there is no way to have distinct network policies for each container. I am trying to implement a Kafka consumer, which is able to read messages from a broker whic...	Currently, network policies in Kubernetes allow you to control egress and ingress on the pod. However, if two containers run in the same pod, there is no way to have distinct network policies for each container. I am trying to implement a Kafka consumer, which is able to read messages from a broker which is hosted in o...
On 1.23.5 even after restarting kubelet through systemctl restart kubelet my kube-controller-manager still had errors (kubectl -n kube-system logs kube-controller-manager-kubeadm - name will vary according to your node name): error retrieving resource lock kube-system/kube-controller-manager: Unauthorized Only after f...	###Instruction: Today, my kubernetes(v1.21) cluster certificate was expired(1 year), after I using this command to renew the certificate: kubeadm certs renew all the logs shows that the kube-apiserver\etcd should be restart: Done renewing certificates. You must restart the kube-apiserver, kube-controller-manager, kube...	Today, my kubernetes(v1.21) cluster certificate was expired(1 year), after I using this command to renew the certificate: kubeadm certs renew all the logs shows that the kube-apiserver\etcd should be restart: Done renewing certificates. You must restart the kube-apiserver, kube-controller-manager, kube-scheduler and e...
Looks kubectl lost connection to the Cluster and you can set the Cluster context by following the official GCP troubleshooting doc GCP kubectl command times out, try below two solutions : Solutions 1 : When kubectl cannot communicate with the cluster control plane or doesn't exist: To resolve your issue, verify the co...	###Instruction: So I was going to set up a GKE cluster and interact it with kubectl. But when I tried to apply the namespace, it just threw an error. I've added my IP to Control plane authorized networks in GKE dashboard. I'm using a Windows 10 machine, my kube/config apiVersion: v1 clusters: - cluster: certificate...	So I was going to set up a GKE cluster and interact it with kubectl. But when I tried to apply the namespace, it just threw an error. I've added my IP to Control plane authorized networks in GKE dashboard. I'm using a Windows 10 machine, my kube/config apiVersion: v1 clusters: - cluster: certificate-authority-data:...
ping doesn't work with a service's cluster IP, as it is a virtual IP. You should be able to ping a specific pod, but not a service. ping sends packets using the very-low-level ICMP protocol, but Nginx serves HTTP which uses the TCP protocol instead.	###Instruction: I have made a nginx deployment which will be tagged by a ClusterIP service via a selector. Then I entered a new pod that is not related to that deployment nor service. And from within that pod I try to ping the i.p of the ClusterIP service hoping it would reach the nginx deploy, but it's not receiving t...	I have made a nginx deployment which will be tagged by a ClusterIP service via a selector. Then I entered a new pod that is not related to that deployment nor service. And from within that pod I try to ping the i.p of the ClusterIP service hoping it would reach the nginx deploy, but it's not receiving the ping response...
The error implies that the kubelogin executable could not be located. You need to install kubelogin in the azure cli using az aks install-cli, then it works as expected. Refer github for installation process. I tried the same requirement in my environment, and it worked for me as follows. az aks get-credentials --resou...	###Instruction: I created new config file for Kubernetes from Azure in Powershell by az aks get-credentials --resource-group <RGName> --name <ClusterName>. Got a message that Merged "cluster_name" as current context in C:\michu\.kube\config. I copied this file into default .kube\config location and now when I try to ru...	I created new config file for Kubernetes from Azure in Powershell by az aks get-credentials --resource-group <RGName> --name <ClusterName>. Got a message that Merged "cluster_name" as current context in C:\michu\.kube\config. I copied this file into default .kube\config location and now when I try to run any command e....
I was able to figure it out. One can use personal access tokens as passwords provided by whatever git service the private repo is in along with the repo's username. I just stored the personal access token as an Opaque secret in my Airflow K8s cluster and referenced that in my git-sync sidecar container yaml definition ...	###Instruction: I have an Airflow environment (v2.4.3) on Kubernetes and I want to sync it with a private git repo so that any changes I make to DAGs in my master branch get automatically picked up by my Airflow environment. According to Airflow documentation, I can use Git-sync sidecar along with an SSH key added to m...	I have an Airflow environment (v2.4.3) on Kubernetes and I want to sync it with a private git repo so that any changes I make to DAGs in my master branch get automatically picked up by my Airflow environment. According to Airflow documentation, I can use Git-sync sidecar along with an SSH key added to my private git re...
I figured it out. It needed a bit more configuration in launch.json. Specifically debug section with sourceFileMap. Here is the final result if anybody else has trouble making it work: { "configurations": [ { "name": "Kubernetes: Run/Debug", "type": "cloudcode.kubernetes", ...	###Instruction: I am trying to figure out if it is possible to use Cloud Code in VSCode to debug a TypeScript Node application in Kubernetes remotely? I used Cloud Code regularly to debug JS Node applications in Kubernetes, but I am having hard time to configure launch.json to do the same for TypeScript Node app. Sourc...	I am trying to figure out if it is possible to use Cloud Code in VSCode to debug a TypeScript Node application in Kubernetes remotely? I used Cloud Code regularly to debug JS Node applications in Kubernetes, but I am having hard time to configure launch.json to do the same for TypeScript Node app. Sources for that is n...
It is (or can be) a part of the grafana helm chart, from what I remember when used it in the past. That configuration needs to go into the values.yaml when using that helm chart. Specifically here to enable/configure dashboardProviders and here to provision the dashboard using dashboard id from the grafana website. Can...	###Instruction: I have a helm chart that deploys a kube-prometheus stack (prometheus, grafana, node-exporter), there are some json files (dashboards) in the grafana configuration, they are transferred to the grafana pod via configMap (common practice). I have a task to optimize this configuration to add grafana dashboa...	I have a helm chart that deploys a kube-prometheus stack (prometheus, grafana, node-exporter), there are some json files (dashboards) in the grafana configuration, they are transferred to the grafana pod via configMap (common practice). I have a task to optimize this configuration to add grafana dashboards via their id...
A service is basically a load balancer over a deployment (and a deployment is a replica set of multiple pods). So, chances are you want to be listing the deployments instead of the services in this case. Services and deployments are loosely coupled via tags, so there probably isn't a great way to go from services to ...	###Instruction: How can I list all Kubernetes services along with the number of active pods associated with each service? Currently, I can list all services with: kubectl get services I would like to add one additional column to the output, which lists active pod count for each service. ### Response: A service is basi...	How can I list all Kubernetes services along with the number of active pods associated with each service? Currently, I can list all services with: kubectl get services I would like to add one additional column to the output, which lists active pod count for each service.
df.rename() introduces some overhead, but you can skip that step by constructing the result directly with the new column names: profile_data = [{new_cols[col]: profiles_df.loc[ix, col] for col in new_cols} for ix in profile_ids] I do not know the answer to your second question.	###Instruction: When I run locally, in my laptop (using python 3.10 and pandas 1.3.5), the following code, I get 0.031s approximately (ball parking it): profile_data = ( profiles_df[data_cols] .loc[profile_ids] .rename(columns=new_cols) .to_dict("records")...	When I run locally, in my laptop (using python 3.10 and pandas 1.3.5), the following code, I get 0.031s approximately (ball parking it): profile_data = ( profiles_df[data_cols] .loc[profile_ids] .rename(columns=new_cols) .to_dict("records") ) ...
I think you were on the right path using 0 (and presumably 1) to access elements of the S3Catalogs array in your values.yaml file. The following syntax works for me: deployment.yaml: - name: S3Catalogs__Catalogs__CatalogName_0 value: "{{ index .Values.S3Catalogs.Catalogs 0 "CatalogName" }}" - name: S3Catalogs__...	###Instruction: values.yaml S3Catalogs: Catalogs: - CatalogName: BotVoice Url: "http://sandbox5..com" - CatalogName: WrongVoice Url: "http://sandbox5..com" the structure specified above needs to be filled in somehow in deployment.yaml tried different variants, with brackets [0] does not accept....	values.yaml S3Catalogs: Catalogs: - CatalogName: BotVoice Url: "http://sandbox5..com" - CatalogName: WrongVoice Url: "http://sandbox5..com" the structure specified above needs to be filled in somehow in deployment.yaml tried different variants, with brackets [0] does not accept. - name:...
Change your bash script to this: #!/bin/bash cat test.txt \| xargs -I {} bash -c {} Works like a treat: {"apiVersion":"v1","data":{"api-key":"abc123","database-url":"postgresql://localhost/mydatabase"},"kind":"ConfigMap","metadata":{"annotations":{},"name":"example-config","namespace":"default"}} name: example-con...	###Instruction: I have a test.txt file that has bunch of kubernetes commands. It looks like: kubectl get cm -o yaml \| grep "test" kubectl get pods kubectl describe pod xxx . . bash script read the test.txt and loop thru each command should executes. However, when I run the script, it gives the following error. Any ide...	I have a test.txt file that has bunch of kubernetes commands. It looks like: kubectl get cm -o yaml \| grep "test" kubectl get pods kubectl describe pod xxx . . bash script read the test.txt and loop thru each command should executes. However, when I run the script, it gives the following error. Any ideas how to fix th...
You need to set the flag in the config-features ConfigMap. That ConfigMap should already have one key, named _example. You'll need to add your key above or below the example. The _example key is ignored by Knative, but provides a place for documentation for system administrators.	###Instruction: I am trying to deploy service on eks with knative installed on eks, here eks configured with fargate-profile. I want to mount efs to my service for that i have created StorageClass,PersistentVolume and PersistentVolumeClaim below are the respective yml storageclass.yml kind: StorageClass apiVersion: sto...	I am trying to deploy service on eks with knative installed on eks, here eks configured with fargate-profile. I want to mount efs to my service for that i have created StorageClass,PersistentVolume and PersistentVolumeClaim below are the respective yml storageclass.yml kind: StorageClass apiVersion: storage.k8s.io/v1 m...
k3s uses traefik, not nginx, so those annotations aren't doing anything... The referenced blog assumes you are using nginx instead Restart your k3s cluster, but provide --no-deploy-traefik option, and install nginx ingress controller Otherwise, you will need to refer to Traefik ingress docs on what matching annotations...	###Instruction: I have a local k3s Kubernetes cluster created by multipass. I am trying to set up Kafka using Ingress way based on this tutorial to make it accessible for clients running outside of Kubernetes. Here are my steps: First get my cluster IP by ➜ kubectl get nodes NAME STATUS ROLES ...	I have a local k3s Kubernetes cluster created by multipass. I am trying to set up Kafka using Ingress way based on this tutorial to make it accessible for clients running outside of Kubernetes. Here are my steps: First get my cluster IP by ➜ kubectl get nodes NAME STATUS ROLES AGE VERSION ...
To allow clients to access the individual brokers, Strimzi needs to create one type: LoadBalancer service for every broker. In addition, it creates one more service targeting all brokers for bootstrapping (that can be disabled). This normally results in Kubernetes provisioning one load balancer per service -> so there ...	###Instruction: I have a local k3s Kubernetes cluster created by Rancher Desktop. I am trying to set up Kafka using load balancer based on this tutorial to make it accessible for clients running outside of Kubernetes. Here are my steps: kubectl create namespace hm-kafka kubectl apply --filename="https://strimzi.io/inst...	I have a local k3s Kubernetes cluster created by Rancher Desktop. I am trying to set up Kafka using load balancer based on this tutorial to make it accessible for clients running outside of Kubernetes. Here are my steps: kubectl create namespace hm-kafka kubectl apply --filename="https://strimzi.io/install/latest?names...
What I'm gonna suggest is along the lines of what Michał has already done, but with a small tweak that might work for you. So, your template can look something like this: {{- if .Values.apply_template.true }} ... {{- end }} and add this to your values.yaml: apply_template: true: true false: false Now, as you ment...	###Instruction: I'm reading helm documentation, The templates/ directory is for template files. When Tiller evaluates a chart, it will send all of the files in the templates/ directory through the template rendering engine. Tiller then collects the results of those templates and sends them on to Kubernetes. I have lo...	I'm reading helm documentation, The templates/ directory is for template files. When Tiller evaluates a chart, it will send all of the files in the templates/ directory through the template rendering engine. Tiller then collects the results of those templates and sends them on to Kubernetes. I have lots of different ...
From this git issue kubernetes_service_account issue has been successfully fixed using this manifest. I found this alternative solution where changes are made using the terraform resource kubernetes_manifest to manually generate the service accounts along with their secret. Can you try the main.tf file and let me know ...	###Instruction: I'm using Terraform workload-identity module , to create Kubernetes service account in Google Cloud. When i apply the changes, I'm getting below warning. "default_secret_name" is no longer applicable for Kubernetes v1.24.0 and above │ │ with module.app-workload-identity.kubernetes_service_account_v1....	I'm using Terraform workload-identity module , to create Kubernetes service account in Google Cloud. When i apply the changes, I'm getting below warning. "default_secret_name" is no longer applicable for Kubernetes v1.24.0 and above │ │ with module.app-workload-identity.kubernetes_service_account_v1.main, │ on ../.....
A CORS error is related to the fact that you are issuing a request (fetch, XHR, ...) from a Javascript origin to another service, the destination/backend, and the origin service is not allowed to according to the headers provided by that destination service. It means that your service, the origin, the one deployed in A...	###Instruction: I have updated the SSL certificates on my AKS service. But I am getting CORS error. New certificates are getting reflected though. Can someone provide a solution for it. Here is the TLS part of my ingress file. spec: tls: - hosts: - "prodazure.thesolarlabs.com" secretName: tls-secret ##...	I have updated the SSL certificates on my AKS service. But I am getting CORS error. New certificates are getting reflected though. Can someone provide a solution for it. Here is the TLS part of my ingress file. spec: tls: - hosts: - "prodazure.thesolarlabs.com" secretName: tls-secret
I faced a similar issue: have a wildcard certificate from Certificate Manager wanted to use it for multiple k8 services for ingress with tls (in my case all services were grpc, but it doesn't matter would work the same for https) First of all, GKE does not support Certificate Manager (at least not yet). Details here ...	###Instruction: I have already a google managed SSL certificate created (with dns verification option). I want to use same certificate in my istio-ingress for SSL. Is there any possible annotations available ? We can create ManagedCertificate resource in GKE, but it is uses the loadbalancer verification option which do...	I have already a google managed SSL certificate created (with dns verification option). I want to use same certificate in my istio-ingress for SSL. Is there any possible annotations available ? We can create ManagedCertificate resource in GKE, but it is uses the loadbalancer verification option which does not support w...
If the container is not assigned to PVC then assuming ephemeral storage is assigned will be used by default. To ensure that the container does not use more than allocated storage set the memory limits field spec.containers[].resources.limits.memory. Below example is taken from this official kubernetes doc, similarly yo...	###Instruction: I am familiar with Kubernetes documentation that describes how to setup limits for PVC. However, what if the container is not assigned PVC? Suppose a Kubernetes container that simply defines: - image: 'redis:7' name: redis ... I keep writing data to this Redis instance. How do I set a quota to ensur...	I am familiar with Kubernetes documentation that describes how to setup limits for PVC. However, what if the container is not assigned PVC? Suppose a Kubernetes container that simply defines: - image: 'redis:7' name: redis ... I keep writing data to this Redis instance. How do I set a quota to ensure that the conta...
Install the AWS Load Balancer Controller and use it to create an NLB for your NGINX ingress service. NLB is more performant than the Classic Load Balancer.	###Instruction: EKS Slowness: All, I have an EKS cluster running and I am using nginx Ingress controller with Classic LB. However, while accessing the LB, it is too dead slow ( Not all the requests, but only a couple of requests ). I have the LB in the public subnet and my EC2 Instances are in the private subnet. And m...	EKS Slowness: All, I have an EKS cluster running and I am using nginx Ingress controller with Classic LB. However, while accessing the LB, it is too dead slow ( Not all the requests, but only a couple of requests ). I have the LB in the public subnet and my EC2 Instances are in the private subnet. And my public subnets...
I don't think it is possible to get a consolidated list of all permissions that you have in a k8s cluster. Looking at the help & examples for the kubectl auth can-i command it needs a VERB which is a logical Kubernetes API verb like 'get', 'list', 'watch', 'delete', etc. and a TYPE which is a Kubernetes resource. The r...	###Instruction: I am able to list, get pods, secrets, deployments and many other resources. I have cluster wide access for many resources. Is there some way to see the consolidated list of all permissions that I have in a kubernetes cluster? The result of kubectl auth can-i '' '' is no though. ### Response: I don't ...	I am able to list, get pods, secrets, deployments and many other resources. I have cluster wide access for many resources. Is there some way to see the consolidated list of all permissions that I have in a kubernetes cluster? The result of kubectl auth can-i '' '' is no though.
Solved, just forced the Dockerfile to use version 2023.1.0, that fixed the problem and matched the operator dask version.	###Instruction: I'm attempting to deploy a dask application on Kubernetes/Azure. I have a Flask application server that is the client of a Dask scheduler/workers. I installed the Dask operator as described here: helm install --repo https://helm.dask.org --create-namespace -n dask-operator --generate-name dask-kubernete...	I'm attempting to deploy a dask application on Kubernetes/Azure. I have a Flask application server that is the client of a Dask scheduler/workers. I installed the Dask operator as described here: helm install --repo https://helm.dask.org --create-namespace -n dask-operator --generate-name dask-kubernetes-operator This...
I had the same issue. Locally my pytorch model would return a prediction in 25 ms and then on Kubernetes it would take 5 seconds. The problem had to do with how many threads torch had available to use. I'm not 100% sure why this works, but reducing the number of threads sped up performance significantly. Set the follow...	###Instruction: I would like to make the result of a text classification model (finBERT pytorch model) available through an endpoint that is deployed on Kubernetes. The whole pipeline is working but it's super slow to process (30 seconds for one sentence) when deployed. If I time the same endpoint in local, I'm getting...	I would like to make the result of a text classification model (finBERT pytorch model) available through an endpoint that is deployed on Kubernetes. The whole pipeline is working but it's super slow to process (30 seconds for one sentence) when deployed. If I time the same endpoint in local, I'm getting results in 1 or...
This means that sort was sent a SIGKILL signal. On modern systems without something weird going on, this almost always means you're out of RAM. Linux supports something called "memory overcommit". Due to language runtimes (Java among them!) habitually allocating far more virtual memory than they'll ever need matching p...	###Instruction: I ran bash script from java code to sort a file of tens of millions of strings of <25 characters. The java application is running in a kubernetes pod. The script failed and the error message is bash: line 1: 425 Killed sort /tmp/keys > /tmp/keys_sorted What does 425 actually mean he...	I ran bash script from java code to sort a file of tens of millions of strings of <25 characters. The java application is running in a kubernetes pod. The script failed and the error message is bash: line 1: 425 Killed sort /tmp/keys > /tmp/keys_sorted What does 425 actually mean here? How can I fi...
Create the structure pod_data_update: \| [{% for i in pod_data %} {% for n,p in i.container_name\|zip(i.image_path) %} {container_name: {{ n }}, image_path: {{ p }}, pod_name: {{ i.pod_name }}}, {% endfor %} {% endfor %}] , convert it from YAML, and update pod_data - set_fact: pod_data:...	###Instruction: I've been trying to find a way to take a data collection that contains three fields where two of the fields can contain multiple items and convert/expand that data to a list where a row is added for every item in one of the fields. The data is about kubernetes pods and the containers and images inside t...	I've been trying to find a way to take a data collection that contains three fields where two of the fields can contain multiple items and convert/expand that data to a list where a row is added for every item in one of the fields. The data is about kubernetes pods and the containers and images inside them. I can get ...
Yes, you can assign permissions to dashboards in Grafana using Helm, as well as through the Grafana web UI or API. To assign permissions using Helm, you can define a custom Grafana dashboard provisioning configuration file in your Helm chart's values.yaml or in a separate YAML file, and specify the appropriate permissi...	###Instruction: When I create a dashboard in Grafana and export it in JSON, the role, user and group permissions I define are not saved with it. I am looking for a way to assign permissions for each dashboard in a Grafana deployment with Helm, in which I already include the dashboards to use. Does anyone know if this i...	When I create a dashboard in Grafana and export it in JSON, the role, user and group permissions I define are not saved with it. I am looking for a way to assign permissions for each dashboard in a Grafana deployment with Helm, in which I already include the dashboards to use. Does anyone know if this is possible? I ca...
"Nodeport is internally implemented on top of ClusterIP" - correct. The port in the Kubernetes Service definition is used to specify the port on which the service will listen for traffic within the Kubernetes cluster. This is the port that will be exposed to other pods in the cluster as an endpoint for the service. Whe...	###Instruction: The nodeport takes in 3 parameters in the service yaml. port targetPort nodePort Since all you wanted was to map a port on the node(nodeport) to the port on the container(targetPort), why do we need to provide the port of the service? Is this because Nodeport is internally implemented on top of Clust...	The nodeport takes in 3 parameters in the service yaml. port targetPort nodePort Since all you wanted was to map a port on the node(nodeport) to the port on the container(targetPort), why do we need to provide the port of the service? Is this because Nodeport is internally implemented on top of ClusterIP?
Adding to GSerg suggestion A cluster is a set of nodes running Kubernetes agents, managed by the control plane.You can scale your cluster by adding or removing nodes. The way you do this depends on how your cluster is deployed. The limit is 300000 containers.You can find this in this official doc. As per this doc Cont...	###Instruction: I am starting on learning Containers and Kubernetes. When watching tutorials on Conatiners and Kubernetes, often the instructors says "You could have thousands of containers". I am trying to understand how we can end up with thousands of containers? After deploying my single container app, how thousands...	I am starting on learning Containers and Kubernetes. When watching tutorials on Conatiners and Kubernetes, often the instructors says "You could have thousands of containers". I am trying to understand how we can end up with thousands of containers? After deploying my single container app, how thousands of container in...
Helm includes a fromJson function; in fact, its documentation fairly closely matches your updated setup. So you can use this to read in the file, parse it, and then select the specific key out of it. data: {{- $secrets := .Files.Get "gh-secrets.json" \| fromJson -}} {{- range .Values.secrets }} {{ . }}: {{ index $sec...	###Instruction: I am creating a github actions step . . . steps: name: export-secrets run: \| echo '${{ toJSON(secrets) }}' >> gh-secrets.json . . . suppose the gh-secrets.json file is as below: # gh-secrets.json {"A": "a1", "B": "b1", "C": "c1"} Then I am going to pull the helm charts and untar them and then ...	I am creating a github actions step . . . steps: name: export-secrets run: \| echo '${{ toJSON(secrets) }}' >> gh-secrets.json . . . suppose the gh-secrets.json file is as below: # gh-secrets.json {"A": "a1", "B": "b1", "C": "c1"} Then I am going to pull the helm charts and untar them and then move gh-secrets....
I don't think kubectl get pods supports field selectors based on the READY column directly. But kubectl provides a method exporting the resource configuration (YAML) directly into JSON, -o json. Then, we can use jq to read, parse, and mutate K8s object results from kubectl. In your case, you could use a command like th...	###Instruction: I'm running this command: # kubectl get pods --all-namespaces --field-selector=metadata.namespace!=kube-system,metadata.namespace!=monitoring,metadata.namespace!=rtf Which gives me output like this: NAMESPACE NAME READY STATUS RESTARTS AGE 123456-1234-1234-123...	I'm running this command: # kubectl get pods --all-namespaces --field-selector=metadata.namespace!=kube-system,metadata.namespace!=monitoring,metadata.namespace!=rtf Which gives me output like this: NAMESPACE NAME READY STATUS RESTARTS AGE 123456-1234-1234-1234-123456789 som...
Unfortunately, there is no built-in way to do this. To get around this, you would have to attach the disk to a container or VM and inspect its contents You need to add the pvc to a pod and copy the files using kubectl cp or list the files using kubectl exec to check the contents of PVC. A simpler way is to create an in...	###Instruction: I'm having a pain point with Kubernetes and I hope someone can help me out. I'm trying to see the contents of a PVC (Persistent Volume Claim), but it seems that the only way to do so is to mount the PVC into a container and check what's inside. As you can imagine, this is quite cumbersome and not very p...	I'm having a pain point with Kubernetes and I hope someone can help me out. I'm trying to see the contents of a PVC (Persistent Volume Claim), but it seems that the only way to do so is to mount the PVC into a container and check what's inside. As you can imagine, this is quite cumbersome and not very practical. I was ...
Looks like my issue was that my worker, scheduler, and web server container had different dag volume mounts from the ones I defined for my git-sync container. This is what I had: containers: - name: airflow-scheduler image: <redacted> imagePullPolicy: IfNotPresent envFrom: ...	###Instruction: Im attempting to incorporate git-sync sidecar container into my Airflow deployment yaml so my private Github repo gets synced to my Airflow Kubernetes env every time I make a change in the repo. So far, it successfully creates a git-sync container along with our scheduler, worker, and web server pods, e...	Im attempting to incorporate git-sync sidecar container into my Airflow deployment yaml so my private Github repo gets synced to my Airflow Kubernetes env every time I make a change in the repo. So far, it successfully creates a git-sync container along with our scheduler, worker, and web server pods, each in their res...
Container name Container name it's just the name you are providing to identify it. it is useful to debug the POD when failing or running multiple containers inside single POD. Get logs of specific container kubectl logs <pod-name> -c <container-name> Hostname Only service get the DNS name record mapping not POD so you...	###Instruction: In a Deployment of Kubernetes, what is the difference between spec.containers.name and spec.hostname? spec: containers: - env: - name: CONFIG_HOME value: /config image: my-image:1.0.0.0-SNAPSHOT name: name-a ports: - containerPort: 8080 ... hostn...	In a Deployment of Kubernetes, what is the difference between spec.containers.name and spec.hostname? spec: containers: - env: - name: CONFIG_HOME value: /config image: my-image:1.0.0.0-SNAPSHOT name: name-a ports: - containerPort: 8080 ... hostname: name-b
How do you know if your application needs to be configured to use workload identity or not? That will be hard to say, it depends on your application if it's using any GCP service or needs Auth or not. If it's not using and running simple API/Tasks you can run it without workload identity just drain node and migrate ...	###Instruction: This doc https://cloud.google.com/kubernetes-engine/docs/how-to/workload-identity explains that if you enable workload identity on a running cluster and create a new node on that cluster which would have workload identity automatically enabled ,then you should configure your application to use workload ...	This doc https://cloud.google.com/kubernetes-engine/docs/how-to/workload-identity explains that if you enable workload identity on a running cluster and create a new node on that cluster which would have workload identity automatically enabled ,then you should configure your application to use workload identity before ...