Despliega tus aplicaciones en Kubernetes con Helm (II)

Repositorio de código del artículo de enmilocalfunciona.io

Requirements

• Kubernetes
• Helm
• Ingress enabled

Run

Note: We use minikube to simplify the example

Make sure Ingress is running

# make sure ingress in enabled
minikube addons enable ingress

# make sure is ingress is running -- Note: This can take up to a minute...
kubectl get pods -n kube-system -w | grep ingress
...
nginx-ingress-controller-5d9cf9c69f-h924f   1/1     Running   0          2m
...

Make sure Helm is running

kubectl get pods -w -n kube-system | grep tiller
...
tiller-deploy-75f6c87b87-zb47t              1/1     Running   0          10m
...

Monocular

Add monocular helm repo

helm repo add monocular https://helm.github.io/monocular

Create custom repo list file

cat > custom-repos.yaml <<EOF
# `schedule` and `successfulJobsHistoryLimit` are optional parameters. They default to `"0 * * * *"` and `3` respectively
sync:
  repos:
    - name: stable
      url: https://kubernetes-charts.storage.googleapis.com
      schedule: "0 * * * *"
      successfulJobsHistoryLimit: 1
    - name: incubator
      url: https://kubernetes-charts-incubator.storage.googleapis.com
      schedule: "*/5 * * * *"
    - name: monocular
      url: https://helm.github.io/monocular
    - name: bitnami
      url: https://charts.bitnami.com
    - name: brigade
      url: https://brigadecore.github.io/charts
    - name: jetstack
      url: https://charts.jetstack.io
    - name: gitlab
      url: https://charts.gitlab.io/
    - name: elastic
      url: https://helm.elastic.co
      schedule: "*/5 * * * *"
EOF

Install Monocular

# it may take a couple of minutes
helm upgrade --install monocular -f custom-repos.yaml monocular/monocular --namespace monocular

Add host entry

echo "$(minikube ip) monocular.local" | sudo tee -a /etc/hosts

Chart Museum

Install

helm upgrade --install chart-museum stable/chartmuseum --namespace chart-museum

Check is running

kubectl get pods -w -n chart-museum

Retrieve Chart Museum service name

kubectl get services -n chart-museum

Add Chart Museum repo

# edit custom-repos.yaml and add
sync:
  repos:
    ...
    - name: chart-museum
      url: http://chart-museum-chartmuseum.chart-museum:8080

Deploy new monocular release with repo changes

helm upgrade --install monocular -f custom-repos.yaml monocular/monocular --namespace monocular

More info

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