diff --git a/charts/kubernetes-router/.helmignore b/charts/kubernetes-router/.helmignore new file mode 100644 index 0000000..0e8a0eb --- /dev/null +++ b/charts/kubernetes-router/.helmignore @@ -0,0 +1,23 @@ +# 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 +*.orig +*~ +# Various IDEs +.project +.idea/ +*.tmproj +.vscode/ diff --git a/charts/kubernetes-router/Chart.yaml b/charts/kubernetes-router/Chart.yaml new file mode 100644 index 0000000..9b4fac3 --- /dev/null +++ b/charts/kubernetes-router/Chart.yaml @@ -0,0 +1,24 @@ +apiVersion: v2 +name: kubernetes-router +description: A Helm chart for Kubernetes + +# A chart can be either an 'application' or a 'library' chart. +# +# Application charts are a collection of templates that can be packaged into versioned archives +# to be deployed. +# +# Library charts provide useful utilities or functions for the chart developer. They're included as +# a dependency of application charts to inject those utilities and functions into the rendering +# pipeline. Library charts do not define any templates and therefore cannot be deployed. +type: application + +# This is the chart version. This version number should be incremented each time you make changes +# to the chart and its templates, including the app version. +# Versions are expected to follow Semantic Versioning (https://semver.org/) +version: 0.1.0 + +# This is the version number of the application being deployed. This version number should be +# incremented each time you make changes to the application. Versions are not expected to +# follow Semantic Versioning. They should reflect the version the application is using. +# It is recommended to use it with quotes. +appVersion: "0.14.0" diff --git a/charts/kubernetes-router/templates/_helpers.tpl b/charts/kubernetes-router/templates/_helpers.tpl new file mode 100644 index 0000000..60ca4f6 --- /dev/null +++ b/charts/kubernetes-router/templates/_helpers.tpl @@ -0,0 +1,62 @@ +{{/* +Expand the name of the chart. +*/}} +{{- define "kubernetes-router.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 "kubernetes-router.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 "kubernetes-router.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Common labels +*/}} +{{- define "kubernetes-router.labels" -}} +helm.sh/chart: {{ include "kubernetes-router.chart" . }} +{{ include "kubernetes-router.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end }} + +{{/* +Selector labels +*/}} +{{- define "kubernetes-router.selectorLabels" -}} +app.kubernetes.io/name: {{ include "kubernetes-router.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end }} + +{{/* +Create the name of the service account to use +*/}} +{{- define "kubernetes-router.serviceAccountName" -}} +{{- if .Values.serviceAccount.create }} +{{- default (include "kubernetes-router.fullname" .) .Values.serviceAccount.name }} +{{- else }} +{{- default "default" .Values.serviceAccount.name }} +{{- end }} +{{- end }} diff --git a/charts/kubernetes-router/templates/deployment.yaml b/charts/kubernetes-router/templates/deployment.yaml new file mode 100644 index 0000000..6f30051 --- /dev/null +++ b/charts/kubernetes-router/templates/deployment.yaml @@ -0,0 +1,121 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ include "kubernetes-router.fullname" . }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} +spec: + {{- if not .Values.autoscaling.enabled }} + replicas: {{ .Values.replicaCount }} + {{- end }} + {{- if .Values.strategy }} + strategy: + {{- toYaml .Values.strategy | nindent 4 }} + {{- end }} + selector: + matchLabels: + {{- include "kubernetes-router.selectorLabels" . | nindent 6 }} + template: + metadata: + {{- with .Values.podAnnotations }} + annotations: + {{- toYaml . | nindent 8 }} + {{- end }} + labels: + {{- include "kubernetes-router.selectorLabels" . | nindent 8 }} + spec: + {{- with .Values.imagePullSecrets }} + imagePullSecrets: + {{- toYaml . | nindent 8 }} + {{- end }} + serviceAccountName: {{ include "kubernetes-router.serviceAccountName" . }} + securityContext: + {{- toYaml .Values.podSecurityContext | nindent 8 }} + containers: + - name: {{ .Chart.Name }} + securityContext: + {{- toYaml .Values.securityContext | nindent 12 }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + command: ["./kubernetes-router"] + args: + - "-v" + - "3" + - "-k8s-namespace" + - "tsuru" + {{- range $mode := .Values.controllerModes }} + - "-controller-modes" + - {{ $mode | quote }} + {{- end }} + {{- range $arg := .Values.arguments }} + - {{ $arg }} + {{- end }} + {{- if .Values.multiCluster.enabled }} + - "-clusters-file" + - "/clusters/clusters.yaml" + {{- end }} + ports: + - name: http + containerPort: 8077 + protocol: TCP + livenessProbe: + httpGet: + path: /healthcheck + port: 8077 + timeoutSeconds: 5 + resources: + {{- toYaml .Values.resources | nindent 12 }} + env: + - name: ROUTER_API_USER + valueFrom: + secretKeyRef: + name: kubernetes-router + key: api-user + - name: ROUTER_API_PASSWORD + valueFrom: + secretKeyRef: + name: kubernetes-router + key: api-password + {{- if .Values.tracing.enabled }} + - name: JAEGER_AGENT_HOST + value: {{ .Values.tracing.agent_host }} + - name: JAEGER_SAMPLER_TYPE + value: {{ .Values.tracing.sampler.type }} + {{- if .Values.tracing.sampler.param }} + - name: JAEGER_SAMPLER_PARAM + value: {{ .Values.tracing.sampler.param | quote }} + {{- end }} + {{- end }} + volumeMounts: + {{- if .Values.multiCluster.enabled }} + - mountPath: "/clusters" + name: clusters + {{- end }} + {{- if .Values.hostCertBundleFile }} + - name: host-cert-bundle + mountPath: {{ .Values.hostCertBundleFile }} + {{- end }} + volumes: + {{- if .Values.multiCluster.enabled }} + - name: clusters + secret: + secretName: kubernetes-router-clusters + {{- end }} + {{- if .Values.hostCertBundleFile }} + - name: host-cert-bundle + hostPath: + path: {{ .Values.hostCertBundleFile }} + type: File + {{- end }} + {{- with .Values.nodeSelector }} + nodeSelector: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: + {{- toYaml . | nindent 8 }} + {{- end }} diff --git a/charts/kubernetes-router/templates/hpa.yaml b/charts/kubernetes-router/templates/hpa.yaml new file mode 100644 index 0000000..41923cc --- /dev/null +++ b/charts/kubernetes-router/templates/hpa.yaml @@ -0,0 +1,28 @@ +{{- if .Values.autoscaling.enabled }} +apiVersion: autoscaling/v2beta1 +kind: HorizontalPodAutoscaler +metadata: + name: {{ include "kubernetes-router.fullname" . }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} +spec: + scaleTargetRef: + apiVersion: apps/v1 + kind: Deployment + name: {{ include "kubernetes-router.fullname" . }} + minReplicas: {{ .Values.autoscaling.minReplicas }} + maxReplicas: {{ .Values.autoscaling.maxReplicas }} + metrics: + {{- if .Values.autoscaling.targetCPUUtilizationPercentage }} + - type: Resource + resource: + name: cpu + targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }} + {{- end }} + {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }} + - type: Resource + resource: + name: memory + targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }} + {{- end }} +{{- end }} diff --git a/charts/kubernetes-router/templates/ingress.yaml b/charts/kubernetes-router/templates/ingress.yaml new file mode 100644 index 0000000..a28204e --- /dev/null +++ b/charts/kubernetes-router/templates/ingress.yaml @@ -0,0 +1,41 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "kubernetes-router.fullname" . -}} +{{- $svcPort := .Values.service.port -}} +{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}} +apiVersion: networking.k8s.io/v1beta1 +{{- else -}} +apiVersion: extensions/v1beta1 +{{- end }} +kind: Ingress +metadata: + name: {{ $fullName }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} + {{- with .Values.ingress.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +spec: + {{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} + {{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ .host | quote }} + http: + paths: + {{- range .paths }} + - path: {{ .path }} + backend: + serviceName: {{ $fullName }} + servicePort: {{ $svcPort }} + {{- end }} + {{- end }} + {{- end }} diff --git a/charts/kubernetes-router/templates/rbac.yaml b/charts/kubernetes-router/templates/rbac.yaml new file mode 100644 index 0000000..75ae716 --- /dev/null +++ b/charts/kubernetes-router/templates/rbac.yaml @@ -0,0 +1,45 @@ +{{- if .Values.serviceAccount.create -}} +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + name: {{ include "kubernetes-router.fullname" . }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} +rules: +- apiGroups: [""] + resources: ["services"] + verbs: ["*"] +- apiGroups: [""] + resources: ["events"] + verbs: ["get", "list"] +- apiGroups: ["extensions"] + resources: ["ingresses"] + verbs: ["*"] +- apiGroups: [""] + resources: ["nodes"] + verbs: ["list", "get"] +- apiGroups: ["apiextensions.k8s.io"] + resources: ["customresourcedefinitions"] + verbs: ["list", "get"] +- apiGroups: ["tsuru.io"] + resources: ["apps"] + verbs: ["get"] +- apiGroups: ["networking.istio.io"] + resources: ["gateways", "virtualservices"] + verbs: ["*"] +--- +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRoleBinding +metadata: + name: {{ include "kubernetes-router.fullname" . }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} +roleRef: + apiGroup: rbac.authorization.k8s.io + kind: ClusterRole + name: {{ include "kubernetes-router.fullname" . }} +subjects: +- kind: ServiceAccount + name: {{ include "kubernetes-router.serviceAccountName" . }} + namespace: {{ .Release.Namespace }} +{{- end -}} \ No newline at end of file diff --git a/charts/kubernetes-router/templates/service.yaml b/charts/kubernetes-router/templates/service.yaml new file mode 100644 index 0000000..5cd9b61 --- /dev/null +++ b/charts/kubernetes-router/templates/service.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "kubernetes-router.fullname" . }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: 8077 + protocol: TCP + name: http + selector: + {{- include "kubernetes-router.selectorLabels" . | nindent 4 }} diff --git a/charts/kubernetes-router/templates/serviceaccount.yaml b/charts/kubernetes-router/templates/serviceaccount.yaml new file mode 100644 index 0000000..dcf378d --- /dev/null +++ b/charts/kubernetes-router/templates/serviceaccount.yaml @@ -0,0 +1,12 @@ +{{- if .Values.serviceAccount.create -}} +apiVersion: v1 +kind: ServiceAccount +metadata: + name: {{ include "kubernetes-router.serviceAccountName" . }} + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} + {{- with .Values.serviceAccount.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +{{- end }} diff --git a/charts/kubernetes-router/templates/tests/test-connection.yaml b/charts/kubernetes-router/templates/tests/test-connection.yaml new file mode 100644 index 0000000..d533e97 --- /dev/null +++ b/charts/kubernetes-router/templates/tests/test-connection.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Pod +metadata: + name: "{{ include "kubernetes-router.fullname" . }}-test-connection" + labels: + {{- include "kubernetes-router.labels" . | nindent 4 }} + annotations: + "helm.sh/hook": test +spec: + containers: + - name: wget + image: busybox + command: ['wget'] + args: ['{{ include "kubernetes-router.fullname" . }}:{{ .Values.service.port }}'] + restartPolicy: Never diff --git a/charts/kubernetes-router/values.yaml b/charts/kubernetes-router/values.yaml new file mode 100644 index 0000000..2ee208f --- /dev/null +++ b/charts/kubernetes-router/values.yaml @@ -0,0 +1,108 @@ +# Default values for kubernetes-router. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +strategy: + rollingUpdate: + maxSurge: 100% + maxUnavailable: 0 + type: RollingUpdate + +image: + repository: tsuru/kubernetes-router + pullPolicy: IfNotPresent + # Overrides the image tag whose default is the chart appVersion. + tag: "" + +imagePullSecrets: [] +nameOverride: "" +fullnameOverride: "" + +# Defines enabled controller running modes: service, ingress, ingress-nginx or istio-gateway. +controllerModes: [] + +# Other arguments for kubernetes-router +arguments: [] + +# multicluster support +multiCluster: + enabled: false + +hostCertBundleFile: "" + +tracing: + enabled: false + agent_host: jaeger-agent.observability.svc.cluster.local + sampler: + type: const + param: 0 + +serviceAccount: + # Specifies whether a service account should be created + create: true + # Annotations to add to the service account + annotations: {} + # The name of the service account to use. + # If not set and create is true, a name is generated using the fullname template + name: "" + +podAnnotations: {} + +podSecurityContext: {} + # fsGroup: 2000 + +securityContext: {} + # capabilities: + # drop: + # - ALL + # readOnlyRootFilesystem: true + # runAsNonRoot: true + # runAsUser: 1000 + +service: + type: LoadBalancer + port: 80 + +ingress: + enabled: false + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + hosts: + - host: chart-example.local + paths: + - path: / + backend: + serviceName: chart-example.local + servicePort: 80 + 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 + +autoscaling: + enabled: false + minReplicas: 1 + maxReplicas: 100 + targetCPUUtilizationPercentage: 80 + # targetMemoryUtilizationPercentage: 80 + +nodeSelector: {} + +tolerations: [] + +affinity: {}