EUGENIO SOUZA CARVALHO 2 years ago
commit
ea35042071
8 changed files with 218 additions and 0 deletions
  1. 21 0
      .helmignore
  2. 5 0
      Chart.yaml
  3. 19 0
      templates/NOTES.txt
  4. 32 0
      templates/_helpers.tpl
  5. 49 0
      templates/deployment.yaml
  6. 29 0
      templates/ingress.yaml
  7. 16 0
      templates/service.yaml
  8. 47 0
      values.yaml

+ 21 - 0
.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 - 0
Chart.yaml

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+apiVersion: v1
+appVersion: "1.0"
+description: A Helm chart for App
+name: api-demo
+version: 0.1.0

+ 19 - 0
templates/NOTES.txt

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+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- if .Values.ingress.host }}
+  http{{ if .Values.ingress.tls }}s{{ end }}://{{ .Values.ingress.host }}{{ .Values.ingress.path }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ template "deploy-name" . }})
+  export NODE_IP=$(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 "deploy-name" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ template "deploy-name" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "app-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 }}

+ 32 - 0
templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "app-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 "deploy-name" -}}
+{{- 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 "app-chart-version" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

+ 49 - 0
templates/deployment.yaml

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+kind: Deployment
+apiVersion: apps/v1
+metadata:
+  name: {{ template "deploy-name" . }}
+  labels:
+    app: {{ template "app-name" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+    version: {{ template "app-chart-version" . }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  revisionHistoryLimit: 3
+  selector:
+    matchLabels:
+      app: {{ template "app-name" . }}
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "app-name" . }}
+        release: {{ .Release.Name }}
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - containerPort: 8000
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+# {{ 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 }}

+ 29 - 0
templates/ingress.yaml

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+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: {{ template "app-name" . }}-ingress
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web, websecure
+  # namespace: argocd
+spec:
+  entryPoints:
+    - websecure
+  routes:
+    - match: Host(`{{ .Values.ingress.host }}`)
+      kind: Rule
+      services:
+        - name: {{ template "app-name" . }}
+          port: {{ .Values.ingress.port }}
+  tls:
+    certResolver: default
+    options: {}
+
+# spec:
+#   rules:
+#     - host: k8s.eugeniocarvalho.dev
+#       http:
+#         paths:
+#           - path: ""
+#             backend:
+#               serviceName: whoami
+#               servicePort: 80

+ 16 - 0
templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "app-name" . }}
+  labels:
+    app: {{ template "app-name" . }}
+    release: {{ .Release.Name }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}
+  selector:
+    app: {{ template "app-name" . }}
+    release: {{ .Release.Name }}

+ 47 - 0
values.yaml

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+# Default values for helm-app.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 3
+
+image:
+  repository: eugeniucarvalho1/teste
+  tag: 0.0.1
+  pullPolicy: IfNotPresent
+
+service:
+  # type: ClusterIP
+  type: LoadBalancer
+  port: 80
+  targetPort: 8000
+
+ingress:
+  enabled: true
+  annotations: {}
+  host: app.k8s.eugeniocarvalho.dev
+  port: 80
+  path: ""
+  tls: []
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  #  - 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: {}