Merge 38a2bf7 into 9087a96

README.md

@@ -49,6 +49,14 @@ We currently provide a few Docker images:
 
 [target/flottbot:python](https://hub.docker.com/r/target/flottbot) - Alpine image, flottbot binary, and python v3.7 installed
 
+## Helm Chart
+
+To install using the [Helm](https://helm.sh/) chart located in this repo, clone this repo, create a [Kubernetes secret](https://kubernetes.io/docs/concepts/configuration/secret/) for your Slack Token in your namespace & install the chart:
+
+```bash
+   helm install helm/flottbot/
+```
+
 ## Available remotes
 
 | Remote                | Status | Documentation |

helm/flottbot/.helmignore

@@ -0,0 +1,21 @@
+# 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

helm/flottbot/Chart.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+description: A Helm chart for Kubernetes
+name: flottbot
+version: 0.1.0

helm/flottbot/templates/NOTES.txt

@@ -0,0 +1,19 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range .Values.ingress.hosts }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}{{ $.Values.ingress.path }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "flottbot.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get svc -w {{ template "flottbot.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "flottbot.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "flottbot.name" . }},release={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl port-forward $POD_NAME 8080:80
+{{- end }}

helm/flottbot/templates/_helpers.tpl

@@ -0,0 +1,32 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "flottbot.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 "flottbot.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 "flottbot.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

helm/flottbot/templates/bot-configmap.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: bot
+data:
+  bot.yml: {{ (.Files.Get "config/bot.yml") .| quote }}

helm/flottbot/templates/deployment.yaml

@@ -0,0 +1,77 @@
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: {{ template "flottbot.fullname" . }}
+  labels:
+    app: {{ template "flottbot.name" . }}
+    chart: {{ template "flottbot.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ template "flottbot.name" . }}
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "flottbot.name" . }}
+        release: {{ .Release.Name }}
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          command: ["/bin/sh", "-c", "./flottbot"]
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+          - name: SLACK_TOKEN
+            valueFrom:
+              secretKeyRef:
+                name: slack
+                key: SLACK_TOKEN
+          volumeMounts:
+          - name: bot
+            mountPath: /config/bot.yml
+            subPath: bot.yml
+          - name: hello-rule
+            mountPath: /config/rules/hello.yml
+            subPath: hello.yml
+          ports:
+          - containerPort: {{ .Values.service.internalPort }}
+          livenessProbe:
+            tcpSocket:
+              port: {{ .Values.service.internalPort }}
+            initialDelaySeconds: 30
+          readinessProbe:
+            tcpSocket:
+              port: {{ .Values.service.internalPort }}
+            timeoutSeconds: 3
+            initialDelaySeconds: 30
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+      volumes:
+        - name: hello-rule
+          configMap:
+            name: rules
+            items:
+            - key: hello.yml
+              path: hello.yml
+        - name: bot
+          configMap:
+            name: bot
+            items:
+            - key: bot.yml
+              path: bot.yml

helm/flottbot/templates/ingress.yaml

@@ -0,0 +1,38 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "flottbot.fullname" . -}}
+{{- $ingressPath := .Values.ingress.path -}}
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    app: {{ template "flottbot.name" . }}
+    chart: {{ template "flottbot.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+{{- with .Values.ingress.annotations }}
+  annotations:
+{{ toYaml . | indent 4 }}
+{{- end }}
+spec:
+{{- if .Values.ingress.tls }}
+  tls:
+  {{- range .Values.ingress.tls }}
+    - hosts:
+      {{- range .hosts }}
+        - {{ . }}
+      {{- end }}
+      secretName: {{ .secretName }}
+  {{- end }}
+{{- end }}
+  rules:
+  {{- range .Values.ingress.hosts }}
+    - host: {{ . }}
+      http:
+        paths:
+          - path: {{ $ingressPath }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: http
+  {{- end }}
+{{- end }}

helm/flottbot/templates/rules-configmap.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: rules
+data:
+  hello.yml: {{ (.Files.Get "config/rules/hello.yml") .| quote }}

helm/flottbot/templates/service.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "flottbot.fullname" . }}
+  labels:
+    app: {{ template "flottbot.name" . }}
+    chart: {{ template "flottbot.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.externalPort }}
+      targetPort: {{ .Values.service.internalPort }}
+      protocol: TCP
+      name: {{ .Values.service.name }}
+  selector:
+    app: {{ template "flottbot.name" . }}
+    release: {{ .Release.Name }}

helm/flottbot/values.yaml

@@ -0,0 +1,47 @@
+# Default values for flottbot.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: target/flottbot
+  tag: latest
+  pullPolicy: IfNotPresent
+
+service:
+  name: flottbot
+  externalPort: 8080
+  internalPort: 8080
+  type: ClusterIP
+
+ingress:
+  enabled: false
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  path: /
+  hosts:
+    - chart-example.local
+  tls: []
+  #  - secretName: chart-example-tls
+  #    hosts:
+  #      - chart-example.local
+
+resources:
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  limits:
+   cpu: 100m
+   memory: 128Mi
+  requests:
+   cpu: 100m
+   memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}