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Viktor Farcic committed May 18, 2020
1 parent 9d0b6fd commit ff7355a
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21 changes: 21 additions & 0 deletions charts/golang/.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
5 changes: 5 additions & 0 deletions charts/golang/Chart.yaml
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apiVersion: v1
description: A Helm chart for Kubernetes
icon: https://raw.githubusercontent.com/jenkins-x/jenkins-x-platform/d273e09/images/go.png
name: golang
version: 0.1.0-SNAPSHOT
48 changes: 48 additions & 0 deletions charts/golang/Makefile
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CHART_REPO := http://jenkins-x-chartmuseum:8080
CURRENT=$(pwd)
NAME := go-demo-6
OS := $(shell uname)
VERSION := $(shell cat ../../VERSION)

build: clean
rm -rf requirements.lock
helm dependency build
helm lint

install: clean build
helm install . --name ${NAME}

upgrade: clean build
helm upgrade ${NAME} .

delete:
helm delete --purge ${NAME}

clean:
rm -rf charts
rm -rf ${NAME}*.tgz

release: clean
helm dependency build
helm lint
helm init --client-only
helm package .
curl --fail -u $(CHARTMUSEUM_CREDS_USR):$(CHARTMUSEUM_CREDS_PSW) --data-binary "@$(NAME)-$(shell sed -n 's/^version: //p' Chart.yaml).tgz" $(CHART_REPO)/api/charts
rm -rf ${NAME}*.tgz%

tag:
ifeq ($(OS),Darwin)
sed -i "" -e "s/version:.*/version: $(VERSION)/" Chart.yaml
sed -i "" -e "s/tag:.*/tag: $(VERSION)/" values.yaml
else ifeq ($(OS),Linux)
sed -i -e "s/version:.*/version: $(VERSION)/" Chart.yaml
sed -i -e "s|repository:.*|repository: $(DOCKER_REGISTRY)\/vfarcic\/$(NAME)|" values.yaml
sed -i -e "s/tag:.*/tag: $(VERSION)/" values.yaml
else
echo "platfrom $(OS) not supported to tag with"
exit -1
endif
git add --all
git commit -m "release $(VERSION)" --allow-empty # if first release then no verion update is performed
git tag -fa v$(VERSION) -m "Release version $(VERSION)"
git push origin v$(VERSION)
1 change: 1 addition & 0 deletions charts/golang/README.md
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# golang application
4 changes: 4 additions & 0 deletions charts/golang/templates/NOTES.txt
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Get the application URL by running these commands:

kubectl get ingress {{ template "fullname" . }}
16 changes: 16 additions & 0 deletions charts/golang/templates/_helpers.tpl
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{{/* 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 -}}
85 changes: 85 additions & 0 deletions charts/golang/templates/canary.yaml
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{{- if .Values.canary.enabled }}
apiVersion: flagger.app/v1beta1
kind: Canary
metadata:
name: {{ template "fullname" . }}
labels:
draft: {{ default "draft-app" .Values.draft }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
spec:
provider: istio
targetRef:
apiVersion: apps/v1
kind: Deployment
name: {{ template "fullname" . }}
progressDeadlineSeconds: {{ .Values.canary.progressDeadlineSeconds }}
{{- if .Values.hpa.enabled }}
autoscalerRef:
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
name: {{ template "fullname" . }}
{{- end }}
service:
port: {{ .Values.service.externalPort }}
targetPort: {{ .Values.service.internalPort }}
gateways:
- {{ template "fullname" . }}
hosts:
- {{ .Values.canary.host }}
analysis:
interval: {{ .Values.canary.canaryAnalysis.interval }}
threshold: {{ .Values.canary.canaryAnalysis.threshold }}
maxWeight: {{ .Values.canary.canaryAnalysis.maxWeight }}
stepWeight: {{ .Values.canary.canaryAnalysis.stepWeight }}
metrics:
- name: request-success-rate
threshold: {{ .Values.canary.canaryAnalysis.metrics.requestSuccessRate.threshold }}
interval: {{ .Values.canary.canaryAnalysis.metrics.requestSuccessRate.interval }}
- name: latency
templateRef:
name: latency
thresholdRange:
max: {{ .Values.canary.canaryAnalysis.metrics.requestDuration.threshold }}
interval: {{ .Values.canary.canaryAnalysis.metrics.requestDuration.interval }}

---

apiVersion: flagger.app/v1beta1
kind: MetricTemplate
metadata:
name: latency
spec:
provider:
type: prometheus
address: http://prometheus.istio-system:9090
query: |
histogram_quantile(
0.99,
sum(
rate(
istio_request_duration_milliseconds_bucket{
reporter="destination",
destination_workload_namespace="{{ "{{" }} namespace {{ "}}" }}",
destination_workload=~"{{ "{{" }} target {{ "}}" }}"
}[{{ "{{" }} interval {{ "}}" }}]
)
) by (le)
)
---

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
name: {{ template "fullname" . }}
spec:
selector:
istio: ingressgateway
servers:
- port:
number: {{ .Values.service.externalPort }}
name: http
protocol: HTTP
hosts:
- {{ .Values.canary.host }}
{{- end }}
59 changes: 59 additions & 0 deletions charts/golang/templates/deployment.yaml
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{{- if .Values.knativeDeploy }}
{{- else }}
apiVersion: apps/v1
kind: Deployment
metadata:
name: {{ template "fullname" . }}
labels:
draft: {{ default "draft-app" .Values.draft }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
spec:
selector:
matchLabels:
app: {{ template "fullname" . }}
{{- if .Values.hpa.enabled }}
{{- else }}
replicas: {{ .Values.replicaCount }}
{{- end }}
template:
metadata:
labels:
draft: {{ default "draft-app" .Values.draft }}
app: {{ template "fullname" . }}
{{- if .Values.podAnnotations }}
annotations:
{{ toYaml .Values.podAnnotations | indent 8 }}
{{- end }}
spec:
containers:
- name: {{ .Chart.Name }}
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
env:
{{- range $pkey, $pval := .Values.env }}
- name: {{ $pkey }}
value: {{ quote $pval }}
{{- end }}
envFrom:
{{ toYaml .Values.envFrom | indent 10 }}
ports:
- containerPort: {{ .Values.service.internalPort }}
livenessProbe:
httpGet:
path: {{ .Values.probePath }}
port: {{ .Values.service.internalPort }}
initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
successThreshold: {{ .Values.livenessProbe.successThreshold }}
timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
readinessProbe:
httpGet:
path: {{ .Values.probePath }}
port: {{ .Values.service.internalPort }}
periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
successThreshold: {{ .Values.readinessProbe.successThreshold }}
timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
resources:
{{ toYaml .Values.resources | indent 12 }}
terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }}
{{- end }}
25 changes: 25 additions & 0 deletions charts/golang/templates/hpa.yaml
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{{- if .Values.hpa.enabled }}
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
name: {{ template "fullname" . }}
labels:
draft: {{ default "draft-app" .Values.draft }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: {{ template "fullname" . }}
minReplicas: {{ .Values.hpa.minReplicas }}
maxReplicas: {{ .Values.hpa.maxReplicas }}
metrics:
- type: Resource
resource:
name: cpu
targetAverageUtilization: {{ .Values.hpa.cpuTargetAverageUtilization }}
- type: Resource
resource:
name: memory
targetAverageUtilization: {{ .Values.hpa.memoryTargetAverageUtilization }}
{{- end }}
32 changes: 32 additions & 0 deletions charts/golang/templates/ingress.yaml
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{{- if and (.Values.jxRequirements.ingress.domain) (not .Values.knativeDeploy) }}
apiVersion: {{ .Values.jxRequirements.ingress.apiVersion }}
kind: Ingress
metadata:
annotations:
kubernetes.io/ingress.class: nginx
{{- if .Values.ingress.annotations }}
{{ toYaml .Values.ingress.annotations | indent 4 }}
{{- end }}
{{- if .Values.jxRequirements.ingress.annotations }}
{{ toYaml .Values.jxRequirements.ingress.annotations | indent 4 }}
{{- end }}
name: {{ .Values.service.name }}
spec:
rules:
- host: {{ .Values.service.name }}{{ .Values.jxRequirements.ingress.namespaceSubDomain }}{{ .Values.jxRequirements.ingress.domain }}
http:
paths:
- backend:
serviceName: {{ .Values.service.name }}
servicePort: 80
{{- if .Values.jxRequirements.ingress.tls.enabled }}
tls:
- hosts:
- {{ .Values.service.name }}{{ .Values.jxRequirements.ingress.namespaceSubDomain }}{{ .Values.jxRequirements.ingress.domain }}
{{- if .Values.jxRequirements.ingress.tls.production }}
secretName: "tls-{{ .Values.jxRequirements.ingress.domain | replace "." "-" }}-p"
{{- else }}
secretName: "tls-{{ .Values.jxRequirements.ingress.domain | replace "." "-" }}-s"
{{- end }}
{{- end }}
{{- end }}
41 changes: 41 additions & 0 deletions charts/golang/templates/ksvc.yaml
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{{- if .Values.knativeDeploy }}
apiVersion: serving.knative.dev/v1alpha1
kind: Service
metadata:
{{- if .Values.service.name }}
name: {{ .Values.service.name }}
{{- else }}
name: {{ template "fullname" . }}
{{- end }}
labels:
chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
spec:
runLatest:
configuration:
revisionTemplate:
spec:
container:
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
env:
{{- range $pkey, $pval := .Values.env }}
- name: {{ $pkey }}
value: {{ quote $pval }}
{{- end }}
livenessProbe:
httpGet:
path: {{ .Values.probePath }}
initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
successThreshold: {{ .Values.livenessProbe.successThreshold }}
timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
readinessProbe:
failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
httpGet:
path: {{ .Values.probePath }}
periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
successThreshold: {{ .Values.readinessProbe.successThreshold }}
timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
resources:
{{ toYaml .Values.resources | indent 14 }}
{{- end }}
26 changes: 26 additions & 0 deletions charts/golang/templates/service.yaml
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{{- if or .Values.knativeDeploy .Values.canary.enabled }}
{{- else }}
apiVersion: v1
kind: Service
metadata:
{{- if .Values.service.name }}
name: {{ .Values.service.name }}
{{- else }}
name: {{ template "fullname" . }}
{{- end }}
labels:
chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
{{- if .Values.service.annotations }}
annotations:
{{ toYaml .Values.service.annotations | indent 4 }}
{{- end }}
spec:
type: {{ .Values.service.type }}
ports:
- port: {{ .Values.service.externalPort }}
targetPort: {{ .Values.service.internalPort }}
protocol: TCP
name: http
selector:
app: {{ template "fullname" . }}
{{- end }}
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