loadbalancer | js server that monitors the health of icecast relays | Runtime Evironment library
kandi X-RAY | loadbalancer Summary
kandi X-RAY | loadbalancer Summary
A node.js server that monitors the health of icecast relays and redirects incoming clients to an available relay.
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QUESTION
State of the application:
- A single virtual machine which runs an apache server.
- Application exposed via the virtual machine's public IP (not behind a loadbalancer)
I have an healthprobe endpoint running that needs probed every few seconds to see if the app is up, and trigger an alert in case it is not.
What are my options? I want to get the healthprobe up and running first, before I move to a virtual machine scale set and a load balancer.
...ANSWER
Answered 2021-Jun-16 at 00:05Under Support+troubleshooting -> Resource health of your virtual machine portal panel, you can set up a health alert. You can then select under which conditions the alert should be triggered. In your case, Current resource status: Unavailable should work just fine. You can also implement a custom notification (E-Mail) under Actions or implement a logic that triggers an Azure Function or Logic App that performs an action when the VM is unavailable.
To detect if your application in Apache server is working correctly you can use a monitoring solution that checks the Apache error logs.
QUESTION
I'm trying to follow instructions on this guide but under docker.
I set up a folder with:
...ANSWER
Answered 2021-Jun-14 at 06:46If you want to use kubernetes inside a docker container my suggestion is to use k3d .
k3d is a lightweight wrapper to run k3s (Rancher Lab’s minimal Kubernetes distribution) in docker.k3d makes it very easy to create single- and multi-node k3s clusters in docker, e.g. for local development on Kubernetes.
You can Download , install and use it directly with Docker. For more information you can follow the official documentation from https://k3d.io/ .
To get the list of pods you dont' need to create a k8s cluster inside a docker container . what you need is a config file for any k8s cluster . ├── Dockerfile ├-- config └── main.py 0 directories, 3 files
after that :
QUESTION
I would like to create a CloudFormation stack with the CLI command provided below:
...ANSWER
Answered 2021-Jun-14 at 01:04CloudFormation (CFN) is not going to take your chaklader.pem
and create a pair key in AWS. You have to do it before hand yourself. And you can't use CFN for that as it is not supported, unless you will program such a logic yourself using custom resource.
The easiest way is to create or import the key "manually" using AWS Console, SDK or CLI. Then you can reference its name in your template.
QUESTION
I originally posted this question as an issue on the GitHub project for the AWS Load Balancer Controller here: https://github.com/kubernetes-sigs/aws-load-balancer-controller/issues/2069.
I'm seeing some odd behavior that I can't trace or explain when trying to get the loadBalacnerDnsName from an ALB created by the controller. I'm using v2.2.0 of the AWS Load Balancer Controller in a CDK project. The ingress that I deploy triggers the provisioning of an ALB, and that ALB can connect to my K8s workloads running in EKS.
Here's my problem: I'm trying to automate the creation of a Route53 A Record that points to the loadBalancerDnsName
of the load balancer, but the loadBalancerDnsName
that I get in my CDK script is not the same as the loadBalancerDnsName
that shows up in the AWS console once my stack has finished deploying. The value in the console is correct and I can get a response from that URL. My CDK script outputs the value of the DnsName as a CfnOutput value, but that URL does not point to anything.
In CDK, I have tried to use KubernetesObjectValue
to get the DNS name from the load balancer. This isn't working (see this related issue: https://github.com/aws/aws-cdk/issues/14933), so I'm trying to lookup the Load Balancer with CDK's .fromLookup
and using a tag that I added through my ingress annotation:
ANSWER
Answered 2021-Jun-13 at 20:23I think that the answer is to use external-dns.
ExternalDNS allows you to control DNS records dynamically via Kubernetes resources in a DNS provider-agnostic way.
QUESTION
I want to get specific output for a command like getting the nodeports and loadbalancer of a service. How do I do that?
...ANSWER
Answered 2021-Jun-10 at 08:13The question is pretty lacking on what exactly wants to be retrieved from Kubernetes but I think I can provide a good baseline.
When you use Kubernetes, you are most probably using kubectl
to interact with kubeapi-server
.
Some of the commands you can use to retrieve the information from the cluster:
$ kubectl get RESOURCE --namespace NAMESPACE RESOURCE_NAME
$ kubectl describe RESOURCE --namespace NAMESPACE RESOURCE_NAME
Let's assume that you have a Service
of type LoadBalancer
(I've redacted some output to be more readable):
$ kubectl get service nginx -o yaml
QUESTION
I'm trying to create an internal ingress for inter-cluster communication with gke. The service that I'm trying to expose is headless and points to a kafka-broker on the cluster.
However when I try to load up the ingress, it says it cannot find the service?
...ANSWER
Answered 2021-Jun-11 at 11:12Setting up ingress for internal load balancing requires you to configure a proxy-only subnet on the same VPC used by your GKE cluster. This subnet will be used for the load balancers proxies. You'll also need to create a fw rule to allow traffic as well.
Have a look at the prereqs for ingress and then look here for info on how to setup the proxy-only subnet for your VPC.
QUESTION
i'm working on a new idea for which I've created a setup as follows on Azure Kubernetes:
- 1 cluster
- 1 node pool in said cluster
- 1 deployment which creates 2 pods in the pool
- 1 load balancer service balancing requests between the 2 pods
I'm trying to submit a json request into the loadbalancer from outside the cluster with an AKS IP, to which i encounter 502 Bad Gateway issues.
This is my deployment file
...ANSWER
Answered 2021-Jun-11 at 06:40I don't see below annotations in your Ingress..
Can you add them and try?
QUESTION
I need to create an inbound nat rule on my loadbalancer to redirect a certain port to a virtual machine. I've created my loadbalancer like so. I'm on Ansible 2.9.6.
...ANSWER
Answered 2021-Jan-07 at 02:45What you need to find is not the azure_rm_virtualmachine
module in Ansible, it should be the azure_rm_networkinterface
module. You can configure the ip_configurations
property of the azure_rm_networkinterface
to set the load_balancer_backend_address_pools
, this property can associate the VM to the Load Balancer.
QUESTION
Our Security Dept requirement on egress traffic is very strict: Each app inside POD must go through some proxy with mTLS authentication (app-proxy) using dedicated cert for the app. They're suggesting using squid with tunneling to cope with double mTLS (one for proxy and the other one for the specific traffic app-server), but then we forced the app to be ssl-aware. Istio can come in and do the job but using out-of-the-box ISTIO_MUTUAL mode (between istio-proxy and egress gateway) is not the case for us.
So, I've tried using example Configure mutual TLS origination for egress traffic by modifying it a bit as follows (changes marked with #- and #+):
...ANSWER
Answered 2021-Jun-09 at 08:40OK, finally I've solved it. The key point here is the part of DestinationRule spec, which says:
- credentialName -> NOTE: This field is currently applicable only at gateways. Sidecars will continue to use the certificate paths.
So I've modified the following manifests:
client deployment of sleep.yml (to mount certs)
QUESTION
I want to create a self signed certificate to be used in Google Loadbalancer, I have composed a following script to prepare it:
...ANSWER
Answered 2021-Jun-06 at 18:12You can use self-signed certificates for backend services. You cannot use self-signed certificates for frontend services.
Google Cloud HTTP Load Balancers only accept SSL certificates that are Domain Validated or higher.
Do not confuse Self Managed and Self Signed certificates.
Self-managed and Google-managed SSL certificates
The error message in your question means you are importing the wrong private key. You also have another error VALIDITY=3650
. Public facing SSL certificates cannot be longer than 825 days (I think the practice is 398 days now), almost all vendors will not issue one longer than 365 days. For certificates valid longer than 365 days require even more details attached to the certificate.
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