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Ingress / Helm on Kubernetes

Posted September 16, 2019 4.1k views
KubernetesDigitalOcean Managed Kubernetes

Im looking to install the ingress controller on a DO managed K8 cluster.
Im following : https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nginx-ingress-with-cert-manager-on-digitalocean-kubernetes

Currently at the stage of installing Tiller (via https://www.digitalocean.com/community/tutorials/how-to-install-software-on-kubernetes-clusters-with-the-helm-package-manager) However, when I try to run the following, I get an error about it trying to hit the loopback. Like so,

root@abc123:/tmp# helm init --service-account tiller
$HELM_HOME has been configured at /root/.helm.
Error: error installing: Post http://localhost:8080/apis/extensions/v1beta1/namespaces/kube-system/deployments: dial tcp 127.0.0.1:8080: connect: connection refused

Thanks,

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1 answer
jkwiatkoski September 16, 2019

Hi there!

Do you currently have a working kubectl binary configured? Helm should use your currently configured kubectl:

From the helm docs (https://helm.sh/docs/install/#easy-in-cluster-installation):
The easiest way to install tiller into the cluster is simply to run helm init. This will validate that helm’s local environment is set up correctly (and set it up if necessary). Then it will connect to whatever cluster kubectl connects to by default (kubectl config view).

I would check that kubectl is configured properly.

Regards,

John Kwiatkoski
Senior Developer Support Engineer

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  • admin8686e5186319e5e5ebcfc September 16, 2019

    Thanks. my Kubectl is working correctly and is set up. Hence the confusion.

    # kubectl config view
apiVersion: v1
clusters:
- cluster:
    certificate-authority-data: DATA+OMITTED
    server: https://b4f4ed8d-4fe0-46c9-9c5a-25c273cdf3be.k8s.ondigitalocean.com
  name: do-sfo2-k8s-1-15-3-do-2-sfo2-1568294480587
contexts:
- context:
    cluster: do-sfo2-k8s-1-15-3-do-2-sfo2-1568294480587
    user: do-sfo2-k8s-1-15-3-do-2-sfo2-1568294480587-admin
  name: do-sfo2-k8s-1-15-3-do-2-sfo2-1568294480587
current-context: do-sfo2-k8s-1-15-3-do-2-sfo2-1568294480587
kind: Config
preferences: {}
users:
- name: do-sfo2-k8s-1-15-3-do-2-sfo2-1568294480587-admin
  user:
    client-certificate-data: REDACTED
    client-key-data: REDACTED

    # helm init
$HELM_HOME has been configured at /root/.helm.
Error: error installing: Post http://localhost:8080/apis/extensions/v1beta1/namespaces/kube-system/deployments: dial tcp 127.0.0.1:8080: connect: connection refused
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