[stable/mattemost-team-edition] Add initial charts for Mattermost Tea…

…m Edition (#5987)

* Add initial charts for Mattermost Team Edition

Signed-off-by: cpanato <ctadeu@gmail.com>

* update based on feedback

Signed-off-by: cpanato <ctadeu@gmail.com>

* update dependencies

Signed-off-by: cpanato <ctadeu@gmail.com>

stable/mattermost-team-edition/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+
+# OWNERS file for Kubernetes
+OWNERS

stable/mattermost-team-edition/Chart.yaml

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+apiVersion: v1
+description: Mattermost Team Edition server.
+name: mattermost-team-edition
+version: 1.0.0
+appVersion: 5.2.1
+keywords:
+- mattermost
+- communication
+- team collaboration
+home: https://mattermost.com
+icon: http://www.mattermost.org/wp-content/uploads/2016/04/icon.png
+source:
+- https://github.com/mattermost/mattermost-server
+- https://github.com/mattermost/mattermost-kubernetes
+maintainers:
+  - name: cpanato
+    email: carlos@mattermost.com
+  - name: jwilander
+    email: joram@mattermost.com

stable/mattermost-team-edition/OWNERS

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+approvers:
+- cpanato
+- jwilander
+reviewers:
+- cpanato
+- jwilander

stable/mattermost-team-edition/README.md

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+# Mattermost Team Edition
+
+[Mattermost](https://mattermost.com/) is a hybrid cloud enterprise messaging workspace that brings your messaging and tools together to get more done, faster.
+
+## TL;DR;
+
+```bash
+$ helm install stable/mattermost-team-edition \
+  --set mysql.mysqlUser=sampleUser \
+  --set mysql.mysqlPassword=samplePassword \
+```
+
+## Introduction
+
+This chart creates a [Mattermost Team Edition](https://mattermost.com/)deployment on a [Kubernetes](http://kubernetes.io)
+cluster using the [Helm](https://helm.sh) package manager.
+
+## Prerequisites
+
+- Kubernetes 1.8+ with Beta APIs enabled
+
+## Installing the Chart
+
+To install the chart with the release name `my-release`:
+
+```bash
+$ helm install --name my-release stable/mattermost-team-edition
+```
+
+The command deploys Mattermost on the Kubernetes cluster in the default configuration. The [configuration](#configuration)
+section lists the parameters that can be configured during installation.
+
+## Uninstalling the Chart
+
+To uninstall/delete the `my-release` deployment:
+
+```bash
+$ helm delete my-release
+```
+The command removes all the Kubernetes components associated with the chart and deletes the release.
+
+## Configuration
+
+The following table lists the configurable parameters of the Mattermost Team Edition chart and their default values.
+
+Parameter                 | Description                       | Default
+---                       | ---                               | ---
+`image.repository`        | container image repository        | `mattermost/mattermost-team-edition`
+`image.tag`               | container image tag               | `5.2.1`
+`config.SiteUrl`          | The URL that users will use to access Mattermost. ie `https://mattermost.mycompany.com`       |  ``
+`config.SiteName`         | Name of service shown in login screens and UI         | `Mattermost`
+`config.FilesAccessKey`   | The AWS Access Key, if you want store the files on S3         | ``
+`config.FilesSecretKey`   | The AWS Secret Key        | ``
+`config.FileBucketName`   | The S3 bucket name                                                                                  | ``
+`config.SMTPHost`         | Location of SMTP email server                                                                       | ``
+`config.SMTPPort`         | Port of SMTP email server                                                                           | ``
+`config.SMTPUsername`     | The username for authenticating to the SMTP server                                                  | ``
+`config.SMTPPassword`     | The password associated with the SMTP username                                                      | ``
+`config.FeedbackEmail`    | Address displayed on email account used when sending notification emails from Mattermost system     | ``
+`config.FeedbackName`     | Name displayed on email account used when sending notification emails from Mattermost system        | ``
+`ingress.enabled`         | if `true`, an ingress is created                                                                    | `false`
+`ingress.hosts`           | a list of ingress hosts       | `[mattermost.example.com]`
+`ingress.tls`             | a list of [IngressTLS](https://v1-8.docs.kubernetes.io/docs/api-reference/v1.8/#ingresstls-v1beta1-extensions) items      | `[]`
+`mysql.mysqlRootPassword` | Root Password for Mysql (Opcional)        |  ""
+`mysql.mysqlUser`         | Username for Mysql (Required)         |  ""
+`mysql.mysqlPassword`     | User Password for Mysql (Required)        |  ""
+`mysql.mysqlDatabase`     | Database name (Required)      |  "mattermost"
+
+Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
+
+```bash
+$ helm install --name my-release \
+  --set image.tag=release-5.2.1 \
+  --set mysql.mysqlUser=sampleUser \
+  --set mysql.mysqlPassword=samplePassword \
+  stable/mattermost-team-edition
+```
+
+Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,
+
+```bash
+$ helm install --name my-release -f values.yaml stable/mattermost-team-edition
+```
+
+### External Databases
+There is an option to use external database services (PostgreSQL or MySQL) for your Mattermost installation.
+If you use an external Database you will need to disable the MySQL chart in the `values.yaml`
+
+```Bash
+mysql:
+  enabled: false
+```
+
+#### PostgreSQL
+To use an external **PostgreSQL**, You need to set Mattermost **externalDB** config
+
+**IMPORTANT:** Make sure the DB is already created before deploying Mattermost services
+
+```Bash
+externalDB:
+  enabled: true
+  externalDriverType: "postgres"
+  externalConnectionString: "postgres://<USERNAME>:<PASSWORD>@<HOST>:5432/<DATABASE_NAME>?sslmode=disable&connect_timeout=10"
+```
+
+#### MySQL
+To use an external **MySQL**, You need to set Mattermost **externalDB** config
+
+**IMPORTANT:** Make sure the DB is already created before deploying Mattermost services
+
+```Bash
+externalDB:
+  enabled: true
+  externalDriverType: "mysql"
+  externalConnectionString: "<USERNAME>:<PASSWORD>@tcp(<HOST>:3306)/<DATABASE_NAME>?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s"
+```
+
+#### Limitations
+
+For the Team Edition you can have just one replica running.

stable/mattermost-team-edition/ci/default-values.yaml

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+mysql:
+  enabled: true
+  mysqlRootPassword: "rootpassord"
+  mysqlUser: "mmuser"
+  mysqlPassword: "mmpassword"
+  mysqlDatabase: mattermost

stable/mattermost-team-edition/requirements.lock

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+dependencies:
+- name: mysql
+  repository: https://kubernetes-charts.storage.googleapis.com
+  version: 0.10.1
+digest: sha256:be368592f2a1722d1b90e6881e2d381b47d674d1f76c50ed85b27cfb00dcda35
+generated: 2018-09-14T14:08:32.750548865+02:00

stable/mattermost-team-edition/requirements.yaml

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+dependencies:
+- name: mysql
+  version: 0.10.1
+  repository: https://kubernetes-charts.storage.googleapis.com
+  condition: mysql.enabled

stable/mattermost-team-edition/templates/NOTES.txt

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+You can easily connect to the remote instance from your browser. Forward the webserver port to localhost:8065
+
+- kubectl port-forward --namespace {{ .Release.Namespace }} $(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "mattermost-team-edition.fullname" . }},release={{ .Release.Name }}" -o jsonpath='{ .items[0].metadata.name }') 8080:8065
+
+{{ if .Values.ingress.enabled }}
+
+Mattermost will be available at the URL, if you setup the nginx-ingress or other type of ingress:
+
+{{ if .Values.ingress.tls }}
+{{ range .Values.ingress.hosts }}
+  https://{{ . }}
+{{ end }}
+
+{{ else }}
+
+{{ range .Values.ingress.hosts }}
+  http://{{ . }}
+{{ end }}
+
+{{ end }}
+
+{{ else }}
+
+To expose Mattermost via an Ingress you need to set host and enable ingress.
+
+helm install --set host=mattermost.yourdomain.com --set ingress.enabled=true stable/mattermost-team-edition
+{{ end }}

stable/mattermost-team-edition/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "mattermost-team-edition.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "mattermost-team-edition.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "mattermost-team-edition.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}