pkg/components: add Headlamp component

assets/charts/components/headlamp/.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/

assets/charts/components/headlamp/Chart.yaml

@@ -0,0 +1,7 @@
+apiVersion: v2
+name: headlamp
+description: An easy-to-use and versatile dashboard for Kubernetes brought to you by Kinvolk.
+type: application
+
+version: 0.1.0
+appVersion: 0.0.0

assets/charts/components/headlamp/templates/_helpers.tpl

@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "headlamp.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 "headlamp.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 "headlamp.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "headlamp.labels" -}}
+helm.sh/chart: {{ include "headlamp.chart" . }}
+{{ include "headlamp.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "headlamp.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "headlamp.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "headlamp.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "headlamp.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}

assets/charts/components/headlamp/templates/deployment.yaml

@@ -0,0 +1,60 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "headlamp.fullname" . }}
+  labels:
+    {{- include "headlamp.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "headlamp.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+    {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+      labels:
+        {{- include "headlamp.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      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 }}
+          args:
+          - -in-cluster
+          - -plugins-dir=/headlamp/plugins/
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.targetPort }}
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /
+              port: {{ .Values.service.targetPort }}
+          readinessProbe:
+            httpGet:
+              path: /
+              port: {{ .Values.service.targetPort }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}

assets/charts/components/headlamp/templates/ingress.yaml

@@ -0,0 +1,41 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "headlamp.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 "headlamp.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: {{ . }}
+            backend:
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+          {{- end }}
+    {{- end }}
+  {{- end }}

assets/charts/components/headlamp/templates/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "headlamp.fullname" . }}
+  labels:
+    {{- include "headlamp.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.targetPort }}
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "headlamp.selectorLabels" . | nindent 4 }}

assets/charts/components/headlamp/values.yaml

@@ -0,0 +1,64 @@
+# Default values for headlamp.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: quay.io/kinvolk/headlamp
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: l8e
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 80
+  targetPort: 4466
+
+ingress:
+  enabled: false
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host: chart-example.local
+      paths: []
+  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: {}

ci/aks/aks-cluster.lokocfg.envsubst

@@ -118,3 +118,10 @@ component "httpbin" {
 component "experimental-istio-operator" {
   enable_monitoring = true
 }
+
+component "headlamp" {
+  ingress {
+    host                       = "headlamp.${var.cluster_name}.${var.aws_dns_zone}"
+    certmanager_cluster_issuer = "letsencrypt-staging"
+  }
+}

ci/aws/aws-cluster.lokocfg.envsubst

@@ -236,3 +236,10 @@ component "aws-ebs-csi-driver" {}
 component "experimental-istio-operator" {
   enable_monitoring = true
 }
+
+component "headlamp" {
+  ingress {
+    host                       = "headlamp.$CLUSTER_ID.$AWS_DNS_ZONE"
+    certmanager_cluster_issuer = "letsencrypt-staging"
+  }
+}

ci/packet/packet-cluster.lokocfg.envsubst

@@ -208,3 +208,10 @@ component "httpbin" {
 component "experimental-istio-operator" {
   enable_monitoring = true
 }
+
+component "headlamp" {
+  ingress {
+    host                       = "headlamp.$CLUSTER_ID.$AWS_DNS_ZONE"
+    certmanager_cluster_issuer = "letsencrypt-staging"
+  }
+}

cli/cmd/component.go

@@ -26,6 +26,7 @@ import (
 	_ "github.com/kinvolk/lokomotive/pkg/components/external-dns"
 	_ "github.com/kinvolk/lokomotive/pkg/components/flatcar-linux-update-operator"
 	_ "github.com/kinvolk/lokomotive/pkg/components/gangway"
+	_ "github.com/kinvolk/lokomotive/pkg/components/headlamp"
 	_ "github.com/kinvolk/lokomotive/pkg/components/httpbin"
 	_ "github.com/kinvolk/lokomotive/pkg/components/istio-operator"
 	_ "github.com/kinvolk/lokomotive/pkg/components/linkerd"

docs/concepts/components.md

@@ -74,13 +74,17 @@ Sample output:
 
 ```
 Available components:
+	 aws-ebs-csi-driver
 	 cert-manager
 	 cluster-autoscaler
 	 contour
 	 dex
+	 experimental-istio-operator
+	 experimental-linkerd
 	 external-dns
 	 flatcar-linux-update-operator
 	 gangway
+	 headlamp
 	 httpbin
 	 metallb
 	 metrics-server