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QUESTION
I am trying to create an application load balancer controller on my EKS cluster by following this link
When I run these steps (after making the necessary changes to the downloaded yaml file)
...ANSWER
Answered 2021-Feb-16 at 18:00Turns outthe tains on my nodegroup prevented the cert-manager pods from starting on any node
These commands helped debug and led me to a fix for this issue
QUESTION
Im quite new to kubernetes and Im trying to set up a microk8s test environment on a VPS with CentOS.
What I did:
I set up the cluster, enabled the ingress and metallb
...ANSWER
Answered 2021-Jan-19 at 20:49TL;DR
There are some ways to fix your Ingress
so that it would get the IP address.
You can either:
- Delete the
kubernetes.io/ingress.class: nginx
and addingressClassName: public
underspec
section. - Use the newer example (
apiVersion
) from official documentation that by default will have assigned anIngressClass
:
Example of Ingress
resource that will fix your issue:
QUESTION
When I try configuring TLS Let's Encrypt certificates for my cluster application with a NGINX Ingress controller and cert-manager, something goes wrong with the ClusterIssuer.
My ClusterIssuer is defined as followed:
...ANSWER
Answered 2020-Aug-29 at 07:41The cert-manager chart does not accept different namespacing when the CRDs are applied manually to your cluster. Instead of applying them manually first, install the CRDs as part of the Helm 3 release.
QUESTION
I am getting this error:
...ANSWER
Answered 2020-Oct-05 at 06:50When you are in another namespace be sure to put the following in the helm values file:
QUESTION
I have installed cert manager according to the documentation using Helm. After installation I am able to get certificates using Ingress too. But after getting certificate I am unable to describe, delete to perform any other option on certificate or any other cert manager resources. I get following error
...ANSWER
Answered 2020-Jul-06 at 09:31From the error it's looking for a service with name cert-manager-webhook.cert-manager
but the service name is actually certs-cert-manager-webhook.cert-manager
. I think while installing using helm you gave it some name other than cert-manager
which may be causing the problem.
Use exactly the below commands without changing the name and see if that works.
QUESTION
I'm deploying cert-manager on Azure AKS and trying to have it request a Let's Encrypt certificate. It fails with certificate signed by unknown authority
error and I have problem troubleshooting it further.
Not sure whether this is a problem with trusting LE server, a tunnelfront
pod, or maybe an internal AKS self-generated CA. So my questions would be:
- how to force cert-manager to debug (display more info) regarding the certificate it does not trust?
- maybe the problem is occuring regularly and there is a known solution?
- what steps should be undertaken to debug the issue further?
I have created an issue on jetstack/cert-manager
's Github page, but was not answered, so I came here.
The whole story is as follows:
Certificates are not created. The following errors are reported:
the certificate:
Error from server: conversion webhook for &{map[apiVersion:cert-manager.io/v1alpha2 kind:Certificate metadata:map[creationTimestamp:2020-05-13T17:30:48Z generation:1 name:xxx-tls namespace:test ownerReferences:[map[apiVersion:extensions/v1beta1 blockOwnerDeletion:true controller:true kind:Ingress name:xxx-ingress uid:6d73b182-bbce-4834-aee2-414d2b3aa802]] uid:d40bc037-aef7-4139-868f-bd615a423b38] spec:map[dnsNames:[xxx.test.domain.com] issuerRef:map[group:cert-manager.io kind:ClusterIssuer name:letsencrypt-prod] secretName:xxx-tls] status:map[conditions:[map[lastTransitionTime:2020-05-13T18:55:31Z message:Waiting for CertificateRequest "xxx-tls-1403681706" to complete reason:InProgress status:False type:Ready]]]]} failed: Post https://cert-manager-webhook.cert-manager.svc:443/convert?timeout=30s: x509: certificate signed by unknown authority
cert-manager-webhook container:
cert-manager 2020/05/15 14:22:58 http: TLS handshake error from 10.20.0.19:35350: remote error: tls: bad certificate
Where 10.20.0.19
is the IP of tunnelfront
pod.
Debugging with https://cert-manager.io/docs/faq/acme/ sort of "fails" when trying to kubectl describe order...
as kubectl describe certificaterequest...
returns CSR contents with error (as above), but not the order ID.
Environment details:
- Kubernetes version:
1.15.10
- Cloud-provider/provisioner :
Azure (AKS)
- cert-manager version:
0.14.3
- Install method: static manifests (see below) + cluster issuer (see below) + regular CRDs (not legacy)
cluster issuer:
...ANSWER
Answered 2020-May-21 at 13:52Seems that v0.14.3
had a bug of some sort. The problem does not occur for v0.15.0
.
QUESTION
When starting cert-manager
I get the following message
...
TLS handshake error from 10.42.152.128:38676: EOF
ANSWER
Answered 2020-Feb-16 at 07:39If you really don't need the webhook then one quick way to solve this is to disable the webhook as per documentation
QUESTION
I'm trying to expose kubernetes dashboard publicly via an ingress on a single master bare-metal cluster. The issue is that the LoadBalancer (nginx ingress controller) service I'm using is not opening the 80/443 ports which I would expect it to open/use. Instead it takes some random ports from the 30-32k range. I know I can set this range with --service-node-port-range
but I'm quite certain I didn't have to do this a year ago on another server. Am I missing something here?
Currently this is my stack/setup (clean install of Ubuntu 16.04):
- Nginx Ingress Controller (installed via helm)
- MetalLB
- Kubernetes Dashboard
- Kubernetes Dashboard Ingress to deploy it publicly on
- Cert-Manager (installed via helm)
k8s-dashboard-ingress.yaml
...ANSWER
Answered 2020-Feb-13 at 18:20update:
i didn't see the edit part of the question when I was writing this answer. it doesn't make sense given the additional info provided. please disregard.
original:
apparently the cluster you are using now has its ingress controller setup over a node-port
type service instead of a load-balancer
. in order to get desired behavior you need to change configuration of ingress-controller. refer to nginx ingress controller documentation for metalLB cases how to do this.
QUESTION
- Istio: 1.3 (also tried 1.1 before update to 1.3)
- K8s: 1.16.2
- Cloud provider: DigitalOcean
I have a cluster setup with Istio. I have enabled grafana/kiali and also installed kibana and RabbitMQ management UI and for all of those I have gateways and virtual services configured (all in istio-system namespace) along with HTTPS using SDS and cert-manager and all works fine. It means I can access these resources in the browser over HTTPS with a sub domain.
Then I deployed a microservice (part of a real application) and created Service
, VirtualService
and Gateway
resources for it (for now it is the only one service and gateway except rabbitmq which uses different sub domain and differend port). And it is located in default namespace.
ANSWER
Answered 2019-Nov-22 at 13:21Issue was really simple and silly. I had enabled global.k8sIngress.enabled = true in Istio values.yml. After changing it to false all starts working.
QUESTION
I am unable to create a certificate using cert-manager.
I am following this guide https://docs.cert-manager.io/en/latest/getting-started/install/kubernetes.html
This works:
...ANSWER
Answered 2019-Nov-11 at 09:11Re-creating the K8s cluster and following the steps in the cert-manager page above worked. One major mistake I have made was referencing the wrong namespace in my Ingress.
Please note to make use of cert-manager.io/cluster-issuer
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