[meta] add helm 3 beta support (#759)

This PR add Helm 3 support in beta as the main blockers were fixed in previous PR.

Note that adding automated tests with Helm 3 is still required to add full Helm 3 support.

README.md

@@ -11,6 +11,7 @@
   - [Support Matrix](#support-matrix)
   - [Kubernetes Versions](#kubernetes-versions)
   - [Helm versions](#helm-versions)
+    - [Helm 3 beta](#helm-3-beta)
 - [ECK](#eck)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
@@ -76,7 +77,12 @@ exact versions are defined under `KUBERNETES_VERSIONS` in
 
 While we are checking backward compatibility, the charts are only tested with
 Helm version mentioned in [helm-tester Dockerfile][] (currently 2.16.9).
-Note that we don't support [Helm 3][] version.
+
+#### Helm 3 beta
+
+While we don't have automated tests for [Helm 3][] yet, we fixed the main
+blockers to use it. We now have enough feedbacks from internal and external
+users to add support in beta.
 
 ## ECK
 

apm-server/README.md

@@ -41,7 +41,9 @@ See [supported configurations][] for more details.
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install it: `helm install --name apm-server --version 6.8.11 elastic/apm-server`
+* Install it:
+  - with Helm 2: `helm install --name apm-server --version 6.8.11 elastic/apm-server`
+  - with [Helm 3 (beta)][]: `helm install apm-server --version 6.8.11 elastic/apm-server`
 
 
 ## Upgrading
@@ -142,6 +144,7 @@ about our development and testing process.
 [examples/oss]: https://github.com/elastic/helm-charts/tree/6.8/apm-server/examples/oss
 [examples/security]: https://github.com/elastic/helm-charts/tree/6.8/apm-server/examples/security
 [helm]: https://helm.sh
+[helm 3 (beta)]: https://github.com/elastic/helm-charts/tree/master/README.md#helm-3-beta
 [horizontal pod autoscaler]: https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
 [imagePullPolicy]: https://kubernetes.io/docs/concepts/containers/images/#updating-images
 [imagePullSecrets]: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/#create-a-pod-that-uses-your-secret

elasticsearch/README.md

@@ -56,7 +56,9 @@ See [supported configurations][] for more details.
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install it: `helm install --name elasticsearch --version 6.8.11 elastic/elasticsearch`
+* Install it:
+  - with Helm 2: `helm install --name elasticsearch --version 6.8.11 elastic/elasticsearch`
+  - with [Helm 3 (beta)][]: `helm install elasticsearch --version 6.8.11 elastic/elasticsearch`
 
 
 ## Upgrading
@@ -399,6 +401,7 @@ about our development and testing process.
 [examples/security]: https://github.com/elastic/helm-charts/tree/6.8/elasticsearch/examples/security
 [gke]: https://cloud.google.com/kubernetes-engine
 [helm]: https://helm.sh
+[helm 3 (beta)]: https://github.com/elastic/helm-charts/tree/master/README.md#helm-3-beta
 [helm/charts stable]: https://github.com/helm/charts/tree/master/stable/elasticsearch/
 [how to install plugins guide]: https://github.com/elastic/helm-charts/tree/6.8/elasticsearch/README.md#how-to-install-plugins
 [how to use the keystore]: https://github.com/elastic/helm-charts/tree/6.8/elasticsearch/README.md#how-to-use-the-keystore

filebeat/README.md

@@ -43,7 +43,9 @@ See [supported configurations][] for more details.
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install it: `helm install --name filebeat --version 6.8.11 elastic/filebeat`
+* Install it:
+  - with Helm 2: `helm install --name filebeat --version 6.8.11 elastic/filebeat`
+  - with [Helm 3 (beta)][]: `helm install filebeat --version 6.8.11 elastic/filebeat`
 
 
 ## Upgrading
@@ -186,6 +188,7 @@ about our development and testing process.
 [filebeat oss docker image]: https://www.docker.elastic.co/r/beats/filebeat-oss
 [filebeat outputs]: https://www.elastic.co/guide/en/beats/filebeat/6.8/configuring-output.html
 [helm]: https://helm.sh
+[helm 3 (beta)]: https://github.com/elastic/helm-charts/tree/master/README.md#helm-3-beta
 [hostNetwork]: https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-namespaces
 [hostPath]: https://kubernetes.io/docs/concepts/storage/volumes/#hostpath
 [imagePullPolicy]: https://kubernetes.io/docs/concepts/containers/images/#updating-images

kibana/README.md

@@ -44,7 +44,9 @@ See [supported configurations][] for more details.
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install it: `helm install --name kibana --version 6.8.11 elastic/kibana`
+* Install it:
+  - with Helm 2: `helm install --name kibana --version 6.8.11 elastic/kibana`
+  - with [Helm 3 (beta)][]: `helm install kibana --version 6.8.11 elastic/kibana`
 
 
 ## Upgrading
@@ -202,6 +204,7 @@ about our development and testing process.
 [examples/security]: https://github.com/elastic/helm-charts/tree/6.8/kibana/examples/security
 [gke]: https://cloud.google.com/kubernetes-engine
 [helm]: https://helm.sh
+[helm 3 (beta)]: https://github.com/elastic/helm-charts/tree/master/README.md#helm-3-beta
 [imagePullPolicy]: https://kubernetes.io/docs/concepts/containers/images/#updating-images
 [imagePullSecrets]: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/#create-a-pod-that-uses-your-secret
 [ingress]: https://kubernetes.io/docs/concepts/services-networking/ingress/

logstash/README.md

@@ -41,7 +41,9 @@ See [supported configurations][] for more details.
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install it: `helm install --name logstash --version 6.8.11 elastic/logstash`
+* Install it:
+  - with Helm 2: `helm install --name logstash --version 6.8.11 elastic/logstash`
+  - with [Helm 3 (beta)][]: `helm install logstash --version 6.8.11 elastic/logstash`
 
 
 ## Upgrading
@@ -182,6 +184,7 @@ about our development and testing process.
 [examples]: https://github.com/elastic/helm-charts/tree/6.8/logstash/examples
 [examples/oss]: https://github.com/elastic/helm-charts/tree/6.8/logstash/examples/oss
 [helm]: https://helm.sh
+[helm 3 (beta)]: https://github.com/elastic/helm-charts/tree/master/README.md#helm-3-beta
 [imagePullPolicy]: https://kubernetes.io/docs/concepts/containers/images/#updating-images
 [imagePullSecrets]: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/#create-a-pod-that-uses-your-secret
 [kubernetes secrets]: https://kubernetes.io/docs/concepts/configuration/secret/

metricbeat/README.md

@@ -43,7 +43,9 @@ See [supported configurations][] for more details.
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install it: `helm install --name metricbeat --version 6.8.11 elastic/metricbeat`
+* Install it:
+  - with Helm 2: `helm install --name metricbeat --version 6.8.11 elastic/metricbeat`
+  - with [Helm 3 (beta)][]: `helm install metricbeat --version 6.8.11 elastic/metricbeat`
 
 
 ## Upgrading
@@ -207,6 +209,7 @@ about our development and testing process.
 [examples/oss]: https://github.com/elastic/helm-charts/tree/6.8/metricbeat/examples/oss
 [examples/security]: https://github.com/elastic/helm-charts/tree/6.8/metricbeat/examples/security
 [helm]: https://helm.sh
+[helm 3 (beta)]: https://github.com/elastic/helm-charts/tree/master/README.md#helm-3-beta
 [hostPath]: https://kubernetes.io/docs/concepts/storage/volumes/#hostpath
 [hostNetwork]: https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-namespaces
 [imagePullPolicy]: https://kubernetes.io/docs/concepts/containers/images/#updating-images