initiate 7.8 branch (#660)

This commit initiates the 7.8 branch which will be dedicated to the 7.8.x releases for the Helm Charts. It will allow to: - test this branch with the daily Stack Docker images 7.8.0-SNAPSHOT via dedicated Jenkins jobs - test the staging 7.8.x Docker images before a release This branch is based on [7.x](https://github.com/elastic/helm-charts/tree/7.x/)
elastic · Jun 12, 2020 · 9b26489 · 9b26489
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diff --git a/BREAKING_CHANGES.md b/BREAKING_CHANGES.md
diff --git a/README.md b/README.md
@@ -1,11 +1,20 @@
 # Elastic Stack Kubernetes Helm Charts
 
-[![Build Status](https://img.shields.io/jenkins/s/https/devops-ci.elastic.co/job/elastic+helm-charts+7.x.svg)](https://devops-ci.elastic.co/job/elastic+helm-charts+7.x/)
+[![Build Status](https://img.shields.io/jenkins/s/https/devops-ci.elastic.co/job/elastic+helm-charts+7.8.svg)](https://devops-ci.elastic.co/job/elastic+helm-charts+7.8/)
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+
+- [Charts](#charts)
+- [Supported Configurations](#supported-configurations)
+  - [Support Matrix](#support-matrix)
+  - [Kubernetes Versions](#kubernetes-versions)
+  - [Helm versions](#helm-versions)
+- [ECK](#eck)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
 
-This functionality is in beta and is subject to change. The design and code is
-less mature than official GA features and is being provided as-is with no
-warranties. Beta features are not subject to the support SLA of official GA
-features.
 
 ## Charts
 
@@ -23,13 +32,34 @@ added below.
 | [Logstash](./logstash/README.md)           | https://www.elastic.co/guide/en/logstash/7.8/docker.html                    |
 | [Metricbeat](./metricbeat/README.md)       | https://www.elastic.co/guide/en/beats/metricbeat/7.8/running-on-docker.html |
 
-## Kubernetes Versions
+## Supported Configurations
+
+Starting with 7.7.0 release, some charts are reaching GA.
+
+Note that only the released charts coming from [Elastic Helm repo][] or
+[GitHub releases][] are supported.
+
+### Support Matrix
+
+|     | Elasticsearch | Kibana | Logstash | Filebeat | Metricbeat | APM Server |
+|-----|---------------|--------|----------|----------|------------|------------|
+| 7.0 | Alpha         | Alpha  | /        | /        | /          | /          |
+| 7.1 | Beta          | Beta   | /        | Beta     | /          | /          |
+| 7.2 | Beta          | Beta   | /        | Beta     | Beta       | /          |
+| 7.3 | Beta          | Beta   | /        | Beta     | Beta       | /          |
+| 7.4 | Beta          | Beta   | /        | Beta     | Beta       | /          |
+| 7.5 | Beta          | Beta   | Beta     | Beta     | Beta       | Alpha      |
+| 7.6 | Beta          | Beta   | Beta     | Beta     | Beta       | Alpha      |
+| 7.7 | GA            | GA     | Beta     | GA       | GA         | Beta       |
+| 7.8 | GA            | GA     | Beta     | GA       | GA         | Beta       |
+
+### Kubernetes Versions
 
 The charts are [currently tested][] against all GKE versions available. The
 exact versions are defined under `KUBERNETES_VERSIONS` in
 [helpers/matrix.yml][].
 
-## Helm versions
+### Helm versions
 
 While we are checking backward compatibility, the charts are only tested with
 Helm version mentioned in [helm-tester Dockerfile][] (currently 2.16.8).
@@ -43,9 +73,11 @@ Elastic recommended way to deploy Elasticsearch, Kibana and APM Server on
 Kubernetes.
 
 
-[currently tested]: https://devops-ci.elastic.co/job/elastic+helm-charts+7.x/
+[currently tested]: https://devops-ci.elastic.co/job/elastic+helm-charts+7.8/
 [elastic cloud on kubernetes]: https://github.com/elastic/cloud-on-k8s
+[elastic helm repo]: https://helm.elastic.co
+[github releases]: https://github.com/elastic/helm-charts/releases
 [helm 3]: https://v3.helm.sh
-[helm-tester Dockerfile]: https://github.com/elastic/helm-charts/blob/7.x/helpers/helm-tester/Dockerfile
-[helpers/matrix.yml]: https://github.com/elastic/helm-charts/blob/7.x/helpers/matrix.yml
+[helm-tester Dockerfile]: https://github.com/elastic/helm-charts/blob/7.8/helpers/helm-tester/Dockerfile
+[helpers/matrix.yml]: https://github.com/elastic/helm-charts/blob/7.8/helpers/matrix.yml
 [operator pattern]: https://kubernetes.io/docs/concepts/extend-kubernetes/operator/
diff --git a/apm-server/README.md b/apm-server/README.md
@@ -1,12 +1,25 @@
 # APM Server Helm Chart
+
+This Helm chart is a lightweight way to configure and run our official
+[APM Server Docker image][].
+
+**Warning**: This functionality is in alpha and is subject to change.
+The design and code is less mature than official GA features and is being
+provided as-is with no warranties. Alpha features are not subject to the support
+SLA of official GA features (see [supported configurations][] for more details).
+
+**Warning**: This branch is used for development, please use [7.7.1][] release
+for released version.
+
+
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
 
 - [Requirements](#requirements)
 - [Installing](#installing)
-  - [Using Helm repository](#using-helm-repository)
-  - [Using the 7.x branch](#using-the-7x-branch)
+  - [Install released version using Helm repository](#install-released-version-using-helm-repository)
+  - [Install development version using 7.8 branch and 7.8.0-SNAPSHOT versions](#install-development-version-using-78-branch-and-780-snapshot-versions)
 - [Upgrading](#upgrading)
 - [Usage notes](#usage-notes)
 - [Configuration](#configuration)
@@ -20,45 +33,31 @@
 <!-- docker run --rm -it -v $(pwd):/usr/src jorgeandrada/doctoc --github -->
 
 
-This functionality is in alpha and is subject to change. The design and code is
-less mature than official GA features and is being provided as-is with no
-warranties. Alpha features are not subject to the support SLA of official GA
-features.
-
-This Helm chart is a lightweight way to configure and run our official
-[APM Server Docker image][].
-
-
 ## Requirements
 
 * Kubernetes >= 1.9
 * [Helm][] >= 2.8.0
 
+See [supported configurations][] for more details.
+
 
 ## Installing
 
 This chart is tested with the latest 7.8.0-SNAPSHOT versions.
 
-### Using Helm repository
+### Install released version using Helm repository
 
 * Add the Elastic Helm charts repo:
 `helm repo add elastic https://helm.elastic.co`
 
-* Install the latest 7.8 release:
-`helm install --name apm-server elastic/apm-server --version=7.8.0`
-
-### Using the 7.x branch
+* Install the latest 7.7 release:
+`helm install --name apm-server elastic/apm-server`
 
-* Clone the git repo and checkout the right branch:
+### Install development version using 7.8 branch and 7.8.0-SNAPSHOT versions
 
-  ```shell
-  git clone git@github.com:elastic/helm-charts.git
-  cd helm-charts
-  git checkout -b 7.x origin/7.x
-  ````
+* Clone the git repo: `git clone git@github.com:elastic/helm-charts.git`
 
-* Install the latest 7.8.0-SNAPSHOT:
-`helm install --name apm-server ./helm-charts/apm-server`
+* Install it: `helm install --name apm-server ./helm-charts/apm-server`
 
 
 ## Upgrading
@@ -144,19 +143,20 @@ Please check [CONTRIBUTING.md][] before any contribution or for any questions
 about our development and testing process.
 
 
+[7.7.1]: https://github.com/elastic/helm-charts/blob/7.7.1/apm-server/README.md
 [BREAKING_CHANGES.md]: https://github.com/elastic/helm-charts/blob/master/BREAKING_CHANGES.md
 [CHANGELOG.md]: https://github.com/elastic/helm-charts/blob/master/CHANGELOG.md
 [CONTRIBUTING.md]: https://github.com/elastic/helm-charts/blob/master/CONTRIBUTING.md
 [affinity]: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
 [annotations]: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
 [apm server docker image]: https://www.elastic.co/guide/en/apm/server/7.8/running-on-docker.html
 [apm server oss docker image]: https://www.docker.elastic.co/#apm-server-7-8-0-oss
-[default elasticsearch helm chart]: https://github.com/elastic/helm-charts/tree/7.x/elasticsearch/README.md#default
+[default elasticsearch helm chart]: https://github.com/elastic/helm-charts/tree/7.8/elasticsearch/README.md#default
 [environment variables]: https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/#using-environment-variables-inside-of-your-config
 [environment from variables]: https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/#configure-all-key-value-pairs-in-a-configmap-as-container-environment-variables
-[examples]: https://github.com/elastic/helm-charts/tree/7.x/apm-server/examples
-[examples/oss]: https://github.com/elastic/helm-charts/tree/7.x/apm-server/examples/oss
-[examples/security]: https://github.com/elastic/helm-charts/tree/7.x/apm-server/examples/security
+[examples]: https://github.com/elastic/helm-charts/tree/7.8/apm-server/examples
+[examples/oss]: https://github.com/elastic/helm-charts/tree/7.8/apm-server/examples/oss
+[examples/security]: https://github.com/elastic/helm-charts/tree/7.8/apm-server/examples/security
 [helm]: https://helm.sh
 [horizontal pod autoscaler]: https://kubernetes.io/docs/tasks/run-application/horizontal-pod-autoscale/
 [imagePullPolicy]: https://kubernetes.io/docs/concepts/containers/images/#updating-images
@@ -172,6 +172,7 @@ about our development and testing process.
 [resources]: https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/
 [service]: https://kubernetes.io/docs/concepts/services-networking/service/
 [serviceAccount]: https://kubernetes.io/docs/tasks/configure-pod-container/configure-service-account/
+[supported configurations]: https://github.com/elastic/helm-charts/tree/7.8/README.md#supported-configurations
 [tolerations]: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
 [updateStrategy]: https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#updating-a-deployment
-[values.yaml]: https://github.com/elastic/helm-charts/tree/7.x/apm-server/values.yaml
+[values.yaml]: https://github.com/elastic/helm-charts/tree/7.8/apm-server/values.yaml
diff --git a/apm-server/examples/default/README.md b/apm-server/examples/default/README.md
@@ -22,6 +22,6 @@ This example deploy APM Server 7.8.0-SNAPSHOT using [default values][].
 You can also run [goss integration tests][] using `make test`
 
 
-[elasticsearch helm chart]: https://github.com/elastic/helm-charts/tree/7.x/elasticsearch/examples/default/
-[goss integration tests]: https://github.com/elastic/helm-charts/tree/7.x/apm-server/examples/default/test/goss.yaml
-[default values]: https://github.com/elastic/helm-charts/tree/7.x/apm-server/values.yaml
+[elasticsearch helm chart]: https://github.com/elastic/helm-charts/tree/7.8/elasticsearch/examples/default/
+[goss integration tests]: https://github.com/elastic/helm-charts/tree/7.8/apm-server/examples/default/test/goss.yaml
+[default values]: https://github.com/elastic/helm-charts/tree/7.8/apm-server/values.yaml