v0.1.4

.devcontainer/Dockerfile

@@ -0,0 +1,2 @@
+ARG VARIANT="3.4.2"
+FROM ghcr.io/rails/devcontainer/images/ruby:${VARIANT}

.devcontainer/boot.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+bundle update --bundler
+bundler install

.devcontainer/compose.yml

@@ -0,0 +1,12 @@
+---
+services:
+  kubernaut:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    volumes:
+      - ..:/workspace:cached
+      - /var/run/docker.sock:/var/run/docker-host.sock
+    command: sleep infinity
+  memcached:
+    image: memcached:latest

.devcontainer/devcontainer.json

@@ -0,0 +1,20 @@
+{
+    "dockerComposeFile": "compose.yml",
+    "service": "kubernaut",
+    "workspaceFolder": "/workspace",
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "Shopify.ruby-lsp",
+                "ms-azuretools.vscode-docker"
+            ]
+        }
+    },
+    "postCreateCommand": ".devcontainer/boot.sh",
+    "forwardPorts": [
+        4567
+    ],
+    "features": {
+        "ghcr.io/devcontainers/features/docker-outside-of-docker:1": {}
+    }
+}

.gitea/workflows/ci.yaml

@@ -1,7 +1,16 @@
 ---
 name: Gitea Actions Demo
 run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
-on: [push]
+
+on:
+  schedule: 
+    - cron: "0 10 * * *"
+  push:
+    branches:
+      - "**"
+    tags:
+      - "v*.*.*"
+  pull_request:
 
 jobs:
   lint:
@@ -10,13 +19,19 @@ jobs:
       checks: write
       contents: write
     steps:
+      - name: Login to Docker
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Ruby Setup
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
+          ruby-version: '3.4'
           bundler-cache: true
 
       - run: bundle install
@@ -40,21 +55,49 @@ jobs:
 
       - run: bundle exec rake
 
-  release-image:
+  docker:
     needs: test
-    if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     container:
       image: catthehacker/ubuntu:act-latest
     env:
       DOCKER_ORG: ryanc
       DOCKER_LATEST: latest
+    defaults:
+      run:
+        shell: bash
     steps:
       - name: Checkout
         uses: actions/checkout@v4
         with:
           fetch-depth: 0 # all history for all branches and tags
 
+      - name: Prepare
+        id: prep
+        run: |
+          VERSION="sha-${GITHUB_SHA::8}"
+          if [[ "$GITHUB_REF" == refs/tags/* ]]; then
+            VERSION="${GITHUB_REF/refs\/tags\//}"
+          fi
+          printf "GITHUB_REF=%s\n" "$GITHUB_REF"
+          printf "GITHUB_SHA=%s\n" "$GITHUB_SHA"
+          printf "VERSION=%s\n" "$VERSION" | tee -a "$GITHUB_OUTPUT"
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            git.kill0.net/ryanc/kubernaut
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -68,5 +111,17 @@ jobs:
       - name: Docker build and push
         uses: docker/build-push-action@v5
         with:
-          push: true
-          tags: git.kill0.net/ryanc/kubernaut:latest
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Setup Helm
+        uses: azure/setup-helm@v4.3.0
+
+      - name: Publish Helm chart
+        if: ${{ contains(github.ref, 'refs/tags/') }}
+        run: |
+          HELM_VERSION="${{ steps.prep.outputs.VERSION }}"
+          HELM_VERSION="${HELM_VERSION#v}"
+          helm package charts/kubernaut
+          helm push "kubernaut-${HELM_VERSION}.tgz" oci://git.kill0.net/ryanc/helm-charts

.gitignore

@@ -1,5 +1,3 @@
 .bundle
-.cache
-.local
 .ruby-lsp
-.ash_history
+/vendor

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+  "[ruby]": {
+    "editor.defaultFormatter": "Shopify.ruby-lsp"
+  },
+  "rubyLsp.formatter": "standard",
+  "rubyLsp.linters": [
+    "standard"
+  ],
+}

Dockerfile

@@ -9,8 +9,6 @@ RUN <<EOT
   apk upgrade --no-cache
 EOT
 
-RUN mkdir -p /run/app
-
 
 FROM base AS build
 
@@ -25,25 +23,12 @@ RUN <<EOT
   bundle install
 EOT
 
-FROM build AS dev
-
-WORKDIR /app
-
-RUN <<EOT
-  bundle install
-EOT
-
-CMD [ "sleep", "infinity" ]
 
 FROM base
 
 # RUN useradd ruby --home /app --shell /bin/sh
 RUN adduser ruby -h /app -D
 
-RUN mkdir -p /run/app
-
-RUN chown ruby:ruby /run/app
-
 USER ruby:ruby
 
 COPY --from=build /usr/local/bundle /usr/local/bundle

Gemfile

@@ -16,8 +16,6 @@ gem "httparty"
 
 group :development do
   gem "ruby-lsp"
-  gem "rubocop"
-  gem "rbs"
   gem "rack-test"
   gem "rspec"
   gem "standard"

Gemfile.lock

@@ -2,24 +2,24 @@ GEM
   remote: https://rubygems.org/
   specs:
     anyflake (0.0.1)
-    ast (2.4.2)
+    ast (2.4.3)
     base64 (0.2.0)
-    bigdecimal (3.1.8)
-    csv (3.3.0)
-    diff-lcs (1.6.0)
-    httparty (0.22.0)
+    bigdecimal (3.1.9)
+    csv (3.3.3)
+    diff-lcs (1.6.1)
+    httparty (0.23.1)
       csv
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    json (2.10.1)
+    json (2.10.2)
     jwt (2.10.1)
       base64
     ksuid (1.0.0)
     language_server-protocol (3.17.0.4)
     lint_roller (1.1.0)
-    logger (1.6.6)
+    logger (1.7.0)
     mini_mime (1.1.5)
-    minitest (5.25.4)
+    minitest (5.25.5)
     multi_json (1.15.0)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
@@ -28,14 +28,14 @@ GEM
     nanoid (2.0.0)
     nio4r (2.7.4)
     parallel (1.26.3)
-    parser (3.3.7.1)
+    parser (3.3.7.4)
       ast (~> 2.4.1)
       racc
-    prism (1.3.0)
+    prism (1.4.0)
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.1.11)
+    rack (3.1.12)
     rack-protection (4.1.1)
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
@@ -49,7 +49,7 @@ GEM
       rack (>= 3)
     rainbow (3.1.1)
     rake (13.2.1)
-    rbs (3.8.1)
+    rbs (3.9.2)
       logger
     regexp_parser (2.10.0)
     rspec (3.13.0)
@@ -65,9 +65,10 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.2)
-    rubocop (1.71.2)
+    rubocop (1.73.2)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
@@ -75,12 +76,14 @@ GEM
       rubocop-ast (>= 1.38.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.38.1)
-      parser (>= 3.3.1.0)
-    rubocop-performance (1.23.1)
-      rubocop (>= 1.48.1, < 2.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
-    ruby-lsp (0.23.11)
+    rubocop-ast (1.43.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-performance (1.24.0)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.72.1, < 2.0)
+      rubocop-ast (>= 1.38.0, < 2.0)
+    ruby-lsp (0.23.13)
       language_server-protocol (~> 3.17.0)
       prism (>= 1.2, < 2.0)
       rbs (>= 3, < 4)
@@ -100,19 +103,19 @@ GEM
       rack-protection (= 4.1.1)
       sinatra (= 4.1.1)
       tilt (~> 2.0)
-    sorbet-runtime (0.5.11911)
-    standard (1.45.0)
+    sorbet-runtime (0.5.11971)
+    standard (1.47.0)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.0)
-      rubocop (~> 1.71.0)
+      rubocop (~> 1.73.0)
       standard-custom (~> 1.0.0)
-      standard-performance (~> 1.6)
+      standard-performance (~> 1.7)
     standard-custom (1.0.2)
       lint_roller (~> 1.0)
       rubocop (~> 1.50)
-    standard-performance (1.6.0)
+    standard-performance (1.7.0)
       lint_roller (~> 1.1)
-      rubocop-performance (~> 1.23.0)
+      rubocop-performance (~> 1.24.0)
     tilt (2.6.0)
     ulid (1.4.0)
     unicode-display_width (3.1.4)
@@ -137,9 +140,7 @@ DEPENDENCIES
   rack-test
   rackup
   rake
-  rbs
   rspec
-  rubocop
   ruby-lsp
   sinatra
   sinatra-contrib
@@ -148,4 +149,4 @@ DEPENDENCIES
   uuid7
 
 BUNDLED WITH
-   2.5.13
+   2.6.6

app.rb

@@ -2,6 +2,7 @@ require "bundler/setup"
 require "sinatra"
 require "sinatra/cookies"
 require "sinatra/multi_route"
+require "sinatra/quiet_logger"
 require "time"
 require "fileutils"
 require "json"
@@ -20,15 +21,17 @@ $LOAD_PATH.unshift File.dirname(__FILE__) + "/lib"
 
 require "config"
 
+VERSION = "0.1.4"
+
 CHUNK_SIZE = 1024**2
 SESSION_SECRET_HEX_LENGTH = 64
 JWT_SECRET_HEX_LENGTH = 64
 DEFAULT_FLAKEY = 50
 
-ENV_PREFIX = "KUBERNAUT"
+NAME = "kubernaut".freeze
+ENV_PREFIX = NAME.upcase
 
 CLK_TCK = 100
-PID_FILE_PATH = "/run/app/pid".freeze
 PROC_UPTIME_PATH = "/proc/uptime".freeze
 
 SECONDS_PER_YEAR = 31_556_952
@@ -50,9 +53,12 @@ DURATION_PARTS = [
 
 config = Config.new
 
+set :quiet_logger_prefixes, %w[livez readyz]
 set :session_secret, config.session_secret.unwrap
 set :public_folder, __dir__ + "/static"
 
+register Sinatra::QuietLogger
+
 module Sinatra
   module RequestHeadersHelper
     def req_headers
@@ -109,9 +115,8 @@ end
 
 class TickTock
   def initialize
-    @pid = master_pid
+    @pid = ppid
     @procfs_f = format "/proc/%s/stat", @pid
-    puts @pid
   end
 
   def uptime
@@ -162,7 +167,7 @@ class Sleep
   include State
 
   def initialize
-    @file = "/dev/shm/sleep"
+    @file = "/dev/shm/sleepy"
   end
 
   def asleep?
@@ -178,9 +183,13 @@ class Sleep
   end
 end
 
-def master_pid
-  pid_s = File.read PID_FILE_PATH
-  Integer pid_s.strip
+def ppid
+  pid = ENV.fetch "PUMA_PID", Process.pid
+  begin
+    Integer pid
+  rescue ArgumentError
+    -1
+  end
 end
 
 def system_uptime
@@ -217,6 +226,8 @@ end
 
 enable :sessions
 
+puts "#{NAME} #{VERSION} staring, per aspera ad astra"
+
 configure do
   mime_type :json, "application/json"
 end
@@ -267,6 +278,10 @@ helpers do
       @auth.credentials and
       @auth.credentials == ["qwer", "asdf"]
   end
+
+  def hostname
+    ENV["HOSTNAME"]
+  end
 end
 
 get "/" do
@@ -286,31 +301,31 @@ get "/headers", provides: "json" do
   jsonify h, pretty:
 end
 
-get "/livez" do
-  error 503 unless Health.instance.healthy?
-
-  return Health.instance.to_json if request.env["HTTP_ACCEPT"] == "application/json"
-
-  Health.instance.to_s
-end
-
-get "/livez/uptime" do
+get "/uptime", provides: "json" do
   tt = TickTock.new
   x = {started_at: tt.started_at, seconds: tt.uptime.to_i, human: human_time(tt.uptime.to_i)}
 
   jsonify x
 end
 
-post "/livez/toggle" do
+post "/api/livez/toggle" do
   Health.instance.toggle
   "ok\n"
 end
 
-post "/livez/sleep" do
+post "/api/livez/sleep" do
   Sleep.instance.toggle
   "ok\n"
 end
 
+get "/livez" do
+  error 503 unless Health.instance.healthy?
+
+  return Health.instance.to_json if request.env["HTTP_ACCEPT"] == "application/json"
+
+  Health.instance.to_s
+end
+
 get "/readyz" do
   error 503 unless Ready.instance.ready?
 
@@ -350,19 +365,19 @@ get "/snowflake" do
 end
 
 post "/quit" do
-  Process.kill("TERM", master_pid)
+  Process.kill("TERM", ppid)
   nil
 end
 
 post "/halt" do
-  Process.kill("QUIT", master_pid)
+  Process.kill("QUIT", ppid)
   nil
 end
 
-get "/pid" do
+get "/pid", provides: "json" do
   pretty = params.key? :pretty
 
-  jsonify({puma: master_pid, pid: Process.pid}, pretty:)
+  jsonify({ppid: ppid, pid: Process.pid}, pretty:)
 end
 
 get "/token" do
@@ -405,6 +420,20 @@ get "/config", provides: "json" do
   jsonify config.as_json, pretty:
 end
 
+get "/_cat" do
+  stream do |out|
+    out << "=^.^=\n"
+    x = Sinatra::Application.routes.map do |method, route|
+      route.map do |route|
+        route.first.to_s
+      end
+    end
+    x.flatten.sort.uniq.each do |route|
+      out << "#{route}\n" if route.start_with? "/_cat"
+    end
+  end
+end
+
 get "/_cat/headers" do
   stream do |out|
     req_headers.each do |k, v|
@@ -444,6 +473,14 @@ get "/_cat/config" do
   end
 end
 
+get "/_cat/pid" do
+  stream do |out|
+    {ppid: ppid, pid: Process.pid}.sort.each do |k, v|
+      out << "#{k}=#{v}\n"
+    end
+  end
+end
+
 route :delete, :get, :patch, :post, :put, "/status/:code" do
   # hello
   code = Integer(params[:code])

charts/kubernaut/.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/

charts/kubernaut/Chart.yaml

@@ -0,0 +1,24 @@
+apiVersion: v2
+name: kubernaut
+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: 0.1.4
+
+# 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: "0.1.4"

charts/kubernaut/templates/NOTES.txt

@@ -0,0 +1,22 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "kubernaut.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch its status by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "kubernaut.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "kubernaut.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  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.kubernetes.io/name={{ include "kubernaut.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
+{{- end }}

charts/kubernaut/templates/_helpers.tpl

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

charts/kubernaut/templates/configmap.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-configmap
+data:
+  {{- with.Values.cat }}
+  KUBERNAUT_CAT: {{ toYaml . }}
+  {{- end }}

charts/kubernaut/templates/deployment.yaml

@@ -0,0 +1,78 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "kubernaut.fullname" . }}
+  labels:
+    {{- include "kubernaut.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "kubernaut.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "kubernaut.labels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "kubernaut.serviceAccountName" . }}
+      {{- with .Values.podSecurityContext }}
+      securityContext:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          {{- with .Values.securityContext }}
+          securityContext:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          {{- with .Values.livenessProbe }}
+          livenessProbe:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.readinessProbe }}
+          readinessProbe:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.volumeMounts }}
+          volumeMounts:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      {{- with .Values.volumes }}
+      volumes:
+        {{- toYaml . | nindent 8 }}
+      {{- 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 }}

charts/kubernaut/templates/hpa.yaml

@@ -0,0 +1,32 @@
+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "kubernaut.fullname" . }}
+  labels:
+    {{- include "kubernaut.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "kubernaut.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

charts/kubernaut/templates/ingress.yaml

@@ -0,0 +1,43 @@
+{{- if .Values.ingress.enabled -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "kubernaut.fullname" . }}
+  labels:
+    {{- include "kubernaut.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- with .Values.ingress.className }}
+  ingressClassName: {{ . }}
+  {{- end }}
+  {{- 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 }}
+            {{- with .pathType }}
+            pathType: {{ . }}
+            {{- end }}
+            backend:
+              service:
+                name: {{ include "kubernaut.fullname" $ }}
+                port:
+                  number: {{ $.Values.service.port }}
+          {{- end }}
+    {{- end }}
+{{- end }}

charts/kubernaut/templates/service.yaml

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

charts/kubernaut/templates/serviceaccount.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "kubernaut.serviceAccountName" . }}
+  labels:
+    {{- include "kubernaut.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
+{{- end }}

charts/kubernaut/templates/tests/test-connection.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "kubernaut.fullname" . }}-test-connection"
+  labels:
+    {{- include "kubernaut.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args: ['{{ include "kubernaut.fullname" . }}:{{ .Values.service.port }}']
+  restartPolicy: Never

charts/kubernaut/values.yaml

@@ -0,0 +1,123 @@
+# Default values for kubernaut.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+# This will set the replicaset count more information can be found here: https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/
+replicaCount: 1
+
+# This sets the container image more information can be found here: https://kubernetes.io/docs/concepts/containers/images/
+image:
+  repository: git.kill0.net/ryanc/kubernaut
+  # This sets the pull policy for images.
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+# This is for the secrets for pulling an image from a private repository more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
+imagePullSecrets: []
+# This is to override the chart name.
+nameOverride: ""
+fullnameOverride: ""
+
+# This section builds out the service account more information can be found here: https://kubernetes.io/docs/concepts/security/service-accounts/
+serviceAccount:
+  # Specifies whether a service account should be created
+  create: true
+  # Automatically mount a ServiceAccount's API credentials?
+  automount: 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: ""
+
+# This is for setting Kubernetes Annotations to a Pod.
+# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
+podAnnotations: {}
+# This is for setting Kubernetes Labels to a Pod.
+# For more information checkout: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
+podLabels: {}
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+# This is for setting up a service more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/
+service:
+  # This sets the service type more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/#publishing-services-service-types
+  type: ClusterIP
+  # This sets the ports more information can be found here: https://kubernetes.io/docs/concepts/services-networking/service/#field-spec-ports
+  port: 4567
+
+# This block is for setting up the ingress for more information can be found here: https://kubernetes.io/docs/concepts/services-networking/ingress/
+ingress:
+  enabled: true
+  className: ""
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    - host:
+      paths:
+        - path: /
+          pathType: ImplementationSpecific
+  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
+
+# This is to setup the liveness and readiness probes more information can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/
+livenessProbe:
+  httpGet:
+    path: /livez
+    port: http
+readinessProbe:
+  httpGet:
+    path: /readyz
+    port: http
+
+# This section is for setting up autoscaling more information can be found here: https://kubernetes.io/docs/concepts/workloads/autoscaling/
+autoscaling:
+  enabled: true
+  minReplicas: 2
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+# Additional volumes on the output Deployment definition.
+volumes: []
+# - name: foo
+#   secret:
+#     secretName: mysecret
+#     optional: false
+
+# Additional volumeMounts on the output Deployment definition.
+volumeMounts: []
+# - name: foo
+#   mountPath: "/etc/foo"
+#   readOnly: true
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}

config/puma.rb

@@ -1,3 +1 @@
-# workers 3
-pidfile "/run/app/pid"
-preload_app!
+ENV["PUMA_PID"] = Process.pid.to_s

docker-compose.yml

@@ -1,15 +0,0 @@
-services:
-  web:
-    build:
-      context: .
-      target: dev
-    ports:
-      - "4567:4567"
-    volumes:
-      - .:/app
-    environment:
-      {}
-      # WEB_CONCURRENCY: 3
-    command:
-      - sleep
-      - infinity

kustomize/app/deployment.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
         - name: kubernaut
-          image: git.kill0.net/ryanc/kubernaut:latest
+          image: git.kill0.net/ryanc/kubernaut:0.1.4
           imagePullPolicy: Always
           ports:
             - name: sinatra-web

sig/app.rbs

@@ -1,63 +0,0 @@
-module State
-  def enable: () -> untyped
-
-  def disable: () -> (untyped | nil)
-
-  def enabled?: () -> bool
-
-  def toggle: () -> untyped
-end
-
-module UpDown
-  def up: () -> untyped
-
-  def down: () -> untyped
-
-  def to_s: () -> ("up" | "down")
-
-  def to_json: (*untyped _args) -> (nil | untyped)
-end
-
-class Health
-  @file: untyped
-
-  include Singleton
-
-  include State
-
-  include UpDown
-
-  def initialize: () -> void
-
-  def healthy?: () -> bool
-end
-
-class Ready
-  @file: untyped
-
-  include Singleton
-
-  include State
-
-  include UpDown
-
-  def initialize: () -> void
-
-  def ready?: () -> bool
-end
-
-class Sleep
-  @file: untyped
-
-  include Singleton
-
-  include State
-
-  def initialize: () -> void
-
-  def asleep?: () -> bool
-
-  def wake: () -> untyped
-
-  def sleep: () -> untyped
-end