From 3cde5e28a8d946c1110697946b180027204b5d2c Mon Sep 17 00:00:00 2001
From: Leon Klingele <git@leonklingele.de>
Date: Mon, 3 Feb 2020 23:19:18 +0100
Subject: Add support to run on Kubernetes, add Helm chart

See relevant README.md for more details.
---
 kubernetes/templates/_helpers.tpl    | 16 +++++++++++
 kubernetes/templates/configmap.yaml  | 11 ++++++++
 kubernetes/templates/deployment.yaml | 53 ++++++++++++++++++++++++++++++++++++
 kubernetes/templates/hpa.yaml        | 18 ++++++++++++
 kubernetes/templates/service.yaml    | 16 +++++++++++
 5 files changed, 114 insertions(+)
 create mode 100644 kubernetes/templates/_helpers.tpl
 create mode 100644 kubernetes/templates/configmap.yaml
 create mode 100644 kubernetes/templates/deployment.yaml
 create mode 100644 kubernetes/templates/hpa.yaml
 create mode 100644 kubernetes/templates/service.yaml

(limited to 'kubernetes/templates')

diff --git a/kubernetes/templates/_helpers.tpl b/kubernetes/templates/_helpers.tpl
new file mode 100644
index 00000000..52158b78
--- /dev/null
+++ b/kubernetes/templates/_helpers.tpl
@@ -0,0 +1,16 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "invidious.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 "invidious.fullname" -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
diff --git a/kubernetes/templates/configmap.yaml b/kubernetes/templates/configmap.yaml
new file mode 100644
index 00000000..58542a31
--- /dev/null
+++ b/kubernetes/templates/configmap.yaml
@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "invidious.fullname" . }}
+  labels:
+    app: {{ template "invidious.name" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: {{ .Release.Name }}
+data:
+  INVIDIOUS_CONFIG: |
+{{ toYaml .Values.config | indent 4 }}
diff --git a/kubernetes/templates/deployment.yaml b/kubernetes/templates/deployment.yaml
new file mode 100644
index 00000000..34156127
--- /dev/null
+++ b/kubernetes/templates/deployment.yaml
@@ -0,0 +1,53 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "invidious.fullname" . }}
+  labels:
+    app: {{ template "invidious.name" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: {{ .Release.Name }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ template "invidious.name" . }}
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "invidious.name" . }}
+        chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+        release: {{ .Release.Name }}
+    spec:
+      securityContext:
+        runAsUser: {{ .Values.securityContext.runAsUser }}
+        runAsGroup: {{ .Values.securityContext.runAsGroup }}
+        fsGroup: {{ .Values.securityContext.fsGroup }}
+      containers:
+      - name: {{ .Chart.Name }}
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        ports:
+        - containerPort: 3000
+        env:
+        - name: INVIDIOUS_CONFIG
+          valueFrom:
+            configMapKeyRef:
+              key: INVIDIOUS_CONFIG
+              name: {{ template "invidious.fullname" . }}
+        securityContext:
+          allowPrivilegeEscalation: {{ .Values.securityContext.allowPrivilegeEscalation }}
+          capabilities:
+            drop:
+            - ALL
+        resources:
+{{ toYaml .Values.resources | indent 10 }}
+        readinessProbe:
+          httpGet:
+            port: 3000
+            path: /
+        livenessProbe:
+          httpGet:
+            port: 3000
+            path: /
+      restartPolicy: Always
diff --git a/kubernetes/templates/hpa.yaml b/kubernetes/templates/hpa.yaml
new file mode 100644
index 00000000..c6fbefe2
--- /dev/null
+++ b/kubernetes/templates/hpa.yaml
@@ -0,0 +1,18 @@
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ template "invidious.fullname" . }}
+  labels:
+    app: {{ template "invidious.name" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: {{ .Release.Name }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ template "invidious.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  targetCPUUtilizationPercentage: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+{{- end }}
diff --git a/kubernetes/templates/service.yaml b/kubernetes/templates/service.yaml
new file mode 100644
index 00000000..56bdea2e
--- /dev/null
+++ b/kubernetes/templates/service.yaml
@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "invidious.fullname" . }}
+  labels:
+    app: {{ template "invidious.name" . }}
+    chart: {{ .Chart.Name }}
+    release: {{ .Release.Name }}
+spec:
+  ports:
+  - name: http
+    port: 3000
+    targetPort: 3000
+  selector:
+    app: {{ template "invidious.name" . }}
+    release: {{ .Release.Name }}
-- 
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