Commit c13fba3c authored by Christopher Pauley's avatar Christopher Pauley
Browse files

helm external dns

parent 295d6e8c
......@@ -26,6 +26,10 @@ err_report() {
}
trap_errors() {
if [ "$debug_scripts" = "true" ]; then
set -x
fi
set -eeuo pipefail
trap 'err_report $BASH_SOURCE $LINENO' err
export shellopts
......
{{ define "vault-base64" }}{{ $response := (ds "vault" .) }}{{ if eq $response.format "text" }}{{ base64.Encode $response.value }}{{ else if eq $response.format "base64" }}{{ $response.value }}{{ end }}{{ end }}
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{{ define "vault-text" }}{{ $response := (ds "vault" .) }}{{ if eq $response.format "base64" }}{{ base64.Decode $response.value }}{{ else if eq $response.format "text" }}{{ $response.value }}{{ end }}{{ end }}
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#!/bin/bash
###############################################################################
# Call gomplate w/ our custom functions from gomplate-includes
###############################################################################
THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
DRONE_BASE_DIR="${DRONE_BASE_DIR:-.}"
# include functions
source $THIS_DIR/functions.sh
templates_dir=$SCRIPTS_DIR/gomplate-includes
# fail on error or undeclared vars
trap_errors
# cat includes in templates_dir and stdin together
cat $templates_dir/*.tmpl - | gomplate -d vault="vault://" "$@"
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apiVersion: v1
description: A Helm chart for Kubernetes
name: external-dns
version: 0.1.0
1. Get the application URL by running these commands:
{{- if .Values.ingress.enabled }}
{{- range .Values.ingress.hosts }}
http://{{ . }}
{{- end }}
{{- else if contains "NodePort" .Values.service.type }}
export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "fullname" . }})
export NODE_IP=$(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 "fullname" . }}'
export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
echo http://$SERVICE_IP:{{ .Values.service.externalPort }}
{{- else if contains "ClusterIP" .Values.service.type }}
export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "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:{{ .Values.service.internalPort }}
{{- end }}
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
replicas: {{ .Values.replicaCount }}
template:
metadata:
labels:
app: {{ template "name" . }}
release: {{ .Release.Name }}
spec:
containers:
- name: {{ .Chart.Name }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
ports:
- containerPort: {{ .Values.service.internalPort }}
livenessProbe:
httpGet:
path: /
port: {{ .Values.service.internalPort }}
readinessProbe:
httpGet:
path: /
port: {{ .Values.service.internalPort }}
resources:
{{ toYaml .Values.resources | indent 12 }}
{{- if .Values.nodeSelector }}
nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
{{- end }}
{{- if .Values.ingress.enabled -}}
{{- $serviceName := include "fullname" . -}}
{{- $servicePort := .Values.service.externalPort -}}
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
annotations:
{{- range $key, $value := .Values.ingress.annotations }}
{{ $key }}: {{ $value | quote }}
{{- end }}
spec:
rules:
{{- range $host := .Values.ingress.hosts }}
- host: {{ $host }}
http:
paths:
- path: /
backend:
serviceName: {{ $serviceName }}
servicePort: {{ $servicePort }}
{{- end -}}
{{- if .Values.ingress.tls }}
tls:
{{ toYaml .Values.ingress.tls | indent 4 }}
{{- end -}}
{{- end -}}
apiVersion: v1
kind: Service
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
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 "name" . }}
release: {{ .Release.Name }}
# Default values for external-dns.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
replicaCount: 1
image:
repository: nginx
tag: stable
pullPolicy: IfNotPresent
service:
name: nginx
type: ClusterIP
externalPort: 80
internalPort: 80
ingress:
enabled: false
# Used to create an Ingress record.
hosts:
- chart-example.local
annotations:
# kubernetes.io/ingress.class: nginx
# kubernetes.io/tls-acme: "true"
tls:
# Secrets must be manually created in the namespace.
# - 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
apiVersion: v1
kind: Service
metadata:
name: {{ template "fullname" . }}
name: {{ .Release.Name }}
labels:
app: {{ template "name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
annotations:
external-dns.alpha.kubernetes.io/hostname: nginx-test.somsvc.stanford.edu
spec:
type: {{ .Values.service.type }}
type: LoadBalancer
ports:
- port: {{ .Values.service.externalPort }}
targetPort: {{ .Values.service.internalPort }}
protocol: TCP
name: {{ .Values.service.name }}
- port: 80
targetPort: 80
selector:
app: {{ template "name" . }}
release: {{ .Release.Name }}
app: {{ .Release.Name}}-nginx
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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
{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "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).
*/}}
{{- define "fullname" -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
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