72 Commits

Author SHA1 Message Date
40ede07ab0 v0.2.2
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2025-05-10 18:14:39 -05:00
5165759558 add JWT secret reference
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2025-05-10 18:13:02 -05:00
10f73b96ec refer to the session secret using the application name prefix 2025-05-10 18:12:37 -05:00
5097e551e2 just call the Kubernetes secret "kubernaut" 2025-05-10 18:10:50 -05:00
820d2d8c51 move secret related contstants to Config class
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2025-05-10 17:46:46 -05:00
eb5c12ca91 remove secret from Kustomize 2025-05-10 17:46:46 -05:00
2d1c9f7418 /token should provide pretty-printing
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2025-05-09 10:50:26 -05:00
3c2e0cdcb8 /token should provide JSON 2025-05-09 10:49:24 -05:00
66c2c3b6a2 fix undefined references to JWT_SECRET 2025-05-09 10:47:10 -05:00
b92f6688c7 add .dockerignore 2025-05-06 17:38:23 -05:00
85d00a53f6 make RUN stanza formatting consistent 2025-05-06 17:13:36 -05:00
529abe67b1 break Gitea actions up into separate files
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2025-05-06 00:58:37 -05:00
2bef46ea1b use Docker cache mount for apk
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2025-05-05 22:51:18 -05:00
19d1e60d2f use Docker cache mount for Ruby bundler 2025-05-05 22:47:24 -05:00
2da770623f use Docker cache mount for Ruby gems 2025-05-05 22:46:42 -05:00
e90966970a move main ENV section in Dockerfiles 2025-05-05 22:45:52 -05:00
a54a46b0a6 use Docker cache mount for apt 2025-05-05 22:18:04 -05:00
a719e5f820 add Docker DX 2025-05-05 22:06:27 -05:00
3c4f656ec8 add Docker ARG for DEBIAN_VERSION 2025-05-02 15:37:41 -05:00
e0e6bf2507 add Docker ARG for BASE_REGISTRY 2025-05-02 15:32:26 -05:00
84908c0a24 set Debian frontend to noninteractive 2025-05-02 15:28:56 -05:00
762169f563 enable Ruby's YJIT 2025-05-02 15:27:33 -05:00
066078f23c v0.2.1
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2025-04-30 22:48:09 -05:00
f201287a9b remove rackup gem
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2025-04-30 22:44:35 -05:00
4fd8dd78ef use jemalloc
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2025-04-30 21:51:49 -05:00
16139755e5 remove old Dockerfile 2025-04-30 21:04:19 -05:00
8e960419b4 use docker/setup-qemu-action
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2025-04-30 17:01:57 -05:00
e23ece0d76 v0.2.0
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2025-04-30 16:48:14 -05:00
499724ba76 use BUNDLE_PATH in COPY 2025-04-30 16:48:14 -05:00
2fd3c801de ensure that the application is not writable by kubernaut 2025-04-30 16:48:14 -05:00
da9a06dc24 create system user and group for kubernaut 2025-04-30 16:48:14 -05:00
57e913d4e9 remove commented out line 2025-04-30 16:48:14 -05:00
623a5904f3 whitespace fix 2025-04-30 16:48:14 -05:00
adb6cdcdbc change the application user to be kubernaut 2025-04-30 16:48:14 -05:00
ab31f56380 make WORKDIR /kubernaut 2025-04-30 16:48:14 -05:00
28b65a160b tidy up after bundler 2025-04-30 16:48:14 -05:00
5c6845a914 explicitly copy Gemfile and Gemfile.lock 2025-04-30 16:48:14 -05:00
c63aa3490d fix bundler environment variables 2025-04-30 16:48:14 -05:00
9ab21f0e18 clean up apk/apt caches 2025-04-30 16:48:14 -05:00
4506628803 make apk/apt update quiter 2025-04-30 16:48:14 -05:00
795889afad use full registry path in Dockerfile 2025-04-30 16:48:14 -05:00
27f10e0671 add basic Docker entrypoint script 2025-04-30 16:48:14 -05:00
249d067c0e add bash to Alpine Docker image 2025-04-30 16:48:14 -05:00
2c71dfac86 don't install apt-get recommendations 2025-04-29 15:07:36 -05:00
f0f439fb6d set PORT and PIDFILE via environment variables 2025-04-29 15:07:36 -05:00
b8737c2583 enable bundler deployment mode
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2025-04-28 13:19:43 -05:00
8baed7389c bundle update 2025-04-28 13:00:16 -05:00
f61eb8acb7 docker/bake-action v6.6.0
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Use bake-action instead of build-and-push action.
2025-04-27 21:29:06 -05:00
c153a0af33 azure/setup-helm v4.3.0
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2025-04-26 17:26:40 -05:00
d6d129bb69 docker/build-push-action v6.16.0 2025-04-26 17:21:59 -05:00
71d7685549 docker/setup-buildx-action v3.10.0 2025-04-26 17:21:59 -05:00
a0fc202e86 docker/metadata-action v5.7.0 2025-04-26 17:21:59 -05:00
4af74c77b2 ruby/setup-ruby v1.235.0 2025-04-26 17:21:59 -05:00
bee86998bd actions/checkout v4.2.2 2025-04-26 17:21:59 -05:00
26d615632a docker/login-action v3.4.0 2025-04-26 17:21:51 -05:00
69c6b30255 use puma directly in Dockerfile
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2025-04-20 12:45:26 -05:00
c068eacf58 use environment variable $PORT to set the port
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2025-04-20 12:34:43 -05:00
89367e3169 switch to Debian bookworn Ruby image
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2025-04-20 12:23:00 -05:00
42e6830cca bundle update
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2025-04-19 11:25:37 -05:00
8e9a37b477 v0.1.4
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2025-04-03 22:59:31 -05:00
7831c5da16 /pid route should return JSON
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2025-04-03 20:52:32 -05:00
8667d0571f have Puma set the PID of the master process 2025-04-03 20:52:32 -05:00
bb7f309b34 v0.1.3
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2025-04-02 21:07:52 -05:00
9b2d2f9522 enable Kubernetes HPA in Helm chart 2025-04-02 21:06:11 -05:00
a30c6d7cb8 reorder routes 2025-04-02 21:01:45 -05:00
20c34f3c76 move uptime route to root, /uptime 2025-04-02 21:01:18 -05:00
dc9b8b7cc7 move /livez control routes under /api 2025-04-02 21:00:16 -05:00
149b42825f log kubernaut version number that is compatible with Puma 2025-04-02 20:59:10 -05:00
2285def168 s/sleep/sleepy/g 2025-04-02 20:58:20 -05:00
a83fa30cd4 quiet logger for /livez and /readyz 2025-04-02 20:57:13 -05:00
37694a38d7 v0.1.2
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2025-04-01 21:23:05 -05:00
3505820213 bundle update
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2025-04-01 21:05:57 -05:00
20 changed files with 333 additions and 199 deletions

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@ -6,7 +6,7 @@
"vscode": {
"extensions": [
"Shopify.ruby-lsp",
"ms-azuretools.vscode-docker"
"docker.docker"
]
}
},

7
.dockerignore Normal file
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@ -0,0 +1,7 @@
**/.git
**/.gitignore
/.devcontainer
/.gitea
/.github
/.vscode
/charts

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@ -0,0 +1,23 @@
---
name: Ruby Lint
on:
push:
branches:
- "**"
pull_request:
jobs:
lint:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Ruby Setup
uses: ruby/setup-ruby@dffc446db9ba5a0c4446edb5bca1c5c473a806c5 # v1.235.0
with:
ruby-version: '3.4'
bundler-cache: true
- name: Standard Ruby
run: bundle exec standardrb

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@ -1,74 +1,27 @@
---
name: Gitea Actions Demo
run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
name: Release
on:
schedule:
- cron: "0 10 * * *"
- cron: "0 0 * * *"
push:
branches:
- "**"
- main
tags:
- "v*.*.*"
pull_request:
jobs:
lint:
runs-on: ubuntu-latest
permissions:
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: '3.4'
bundler-cache: true
- run: bundle install
- name: Standard Ruby
run: bundle exec standardrb
test:
needs: lint
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Test
uses: ruby/setup-ruby@v1
with:
ruby-version: '3.4'
bundler-cache: true
- run: bundle exec rake
docker:
needs: test
runs-on: ubuntu-latest
container:
image: catthehacker/ubuntu:act-latest
env:
DOCKER_ORG: ryanc
DOCKER_LATEST: latest
defaults:
run:
shell: bash
outputs:
metadata: ${{ steps.output.outputs.metadata }}
steps:
- name: Checkout
uses: actions/checkout@v4
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
fetch-depth: 0 # all history for all branches and tags
@ -83,14 +36,31 @@ jobs:
printf "GITHUB_SHA=%s\n" "$GITHUB_SHA"
printf "VERSION=%s\n" "$VERSION" | tee -a "$GITHUB_OUTPUT"
- name: Docker meta
- name: Set up QEMU
uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
- name: Login to Gitea registry
uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
with:
registry: git.kill0.net
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
- name: Docker meta (debian)
id: meta
uses: docker/metadata-action@v5
uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
with:
images: |
git.kill0.net/ryanc/kubernaut
flavor: |
latest=auto
bake-target: docker-metadata-action
tags: |
type=schedule
type=schedule,pattern=nightly
type=edge
type=ref,event=branch
type=ref,event=pr
type=semver,pattern={{version}}
@ -98,25 +68,37 @@ jobs:
type=semver,pattern={{major}}
type=sha
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Login to Gitea registry
uses: docker/login-action@v3
- name: Docker meta (alpine)
id: meta-alpine
uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
with:
registry: git.kill0.net
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
images: |
git.kill0.net/ryanc/kubernaut
bake-target: docker-metadata-action-alpine
flavor: |
latest=auto
suffix=-alpine,onlatest=true
tags: |
type=schedule,pattern=nightly
type=edge
type=ref,event=branch
type=ref,event=pr
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=semver,pattern={{major}}
type=sha
- name: Docker build and push
uses: docker/build-push-action@v5
uses: docker/bake-action@76f9fa3a758507623da19f6092dc4089a7e61592 # v6.6.0
with:
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
files: |
./docker-bake.hcl
cwd://${{ steps.meta.outputs.bake-file }}
cwd://${{ steps.meta-alpine.outputs.bake-file }}
- name: Setup Helm
uses: azure/setup-helm@v4.3.0
uses: azure/setup-helm@b9e51907a09c216f16ebe8536097933489208112 # v4.3.0
- name: Publish Helm chart
if: ${{ contains(github.ref, 'refs/tags/') }}

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@ -0,0 +1,22 @@
---
name: Ruby Test
on:
push:
branches:
- "**"
pull_request:
jobs:
test:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Test
uses: ruby/setup-ruby@dffc446db9ba5a0c4446edb5bca1c5c473a806c5 # v1.235.0
with:
ruby-version: '3.4'
bundler-cache: true
- run: bundle exec rake

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@ -1,40 +0,0 @@
FROM ruby:alpine AS base
WORKDIR /app
RUN <<EOT
gem update --system --no-document
gem install -N bundler
apk update
apk upgrade --no-cache
EOT
FROM base AS build
RUN <<EOT
apk add gcc musl-dev ruby-dev make
EOT
COPY Gemfile* .
RUN <<EOT
bundle config set --local without development
bundle install
EOT
FROM base
# RUN useradd ruby --home /app --shell /bin/sh
RUN adduser ruby -h /app -D
USER ruby:ruby
COPY --from=build /usr/local/bundle /usr/local/bundle
COPY --from=build --chown=ruby:ruby /app /app
COPY --chown=ruby:ruby . .
EXPOSE 4567
CMD [ "bundle", "exec", "rackup", "--host", "0.0.0.0", "--port", "4567" ]

View File

@ -3,7 +3,6 @@ source "https://rubygems.org"
gem "sinatra"
gem "sinatra-contrib"
gem "puma"
gem "rackup"
gem "anyflake"
gem "ksuid"

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@ -4,22 +4,22 @@ GEM
anyflake (0.0.1)
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 (3.3.4)
diff-lcs (1.6.1)
httparty (0.23.1)
csv
mini_mime (>= 1.0.0)
multi_xml (>= 0.5.2)
json (2.10.2)
json (2.11.3)
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)
@ -27,15 +27,15 @@ GEM
ruby2_keywords (~> 0.0.1)
nanoid (2.0.0)
nio4r (2.7.4)
parallel (1.26.3)
parser (3.3.7.2)
parallel (1.27.0)
parser (3.3.8.0)
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 (3.1.13)
rack-protection (4.1.1)
base64 (>= 0.1.0)
logger (>= 1.6.0)
@ -45,11 +45,9 @@ GEM
rack (>= 3.0.0)
rack-test (2.2.0)
rack (>= 1.3)
rackup (2.2.1)
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)
@ -65,7 +63,7 @@ GEM
diff-lcs (>= 1.2.0, < 2.0)
rspec-support (~> 3.13.0)
rspec-support (3.13.2)
rubocop (1.73.2)
rubocop (1.75.4)
json (~> 2.3)
language_server-protocol (~> 3.17.0.2)
lint_roller (~> 1.1.0)
@ -73,16 +71,17 @@ GEM
parser (>= 3.3.0.2)
rainbow (>= 2.2.2, < 4.0)
regexp_parser (>= 2.9.3, < 3.0)
rubocop-ast (>= 1.38.0, < 2.0)
rubocop-ast (>= 1.44.0, < 2.0)
ruby-progressbar (~> 1.7)
unicode-display_width (>= 2.4.0, < 4.0)
rubocop-ast (1.41.0)
rubocop-ast (1.44.1)
parser (>= 3.3.7.2)
rubocop-performance (1.24.0)
prism (~> 1.4)
rubocop-performance (1.25.0)
lint_roller (~> 1.1)
rubocop (>= 1.72.1, < 2.0)
rubocop (>= 1.75.0, < 2.0)
rubocop-ast (>= 1.38.0, < 2.0)
ruby-lsp (0.23.11)
ruby-lsp (0.23.15)
language_server-protocol (~> 3.17.0)
prism (>= 1.2, < 2.0)
rbs (>= 3, < 4)
@ -102,19 +101,19 @@ GEM
rack-protection (= 4.1.1)
sinatra (= 4.1.1)
tilt (~> 2.0)
sorbet-runtime (0.5.11911)
standard (1.47.0)
sorbet-runtime (0.5.12043)
standard (1.49.0)
language_server-protocol (~> 3.17.0.2)
lint_roller (~> 1.0)
rubocop (~> 1.73.0)
rubocop (~> 1.75.2)
standard-custom (~> 1.0.0)
standard-performance (~> 1.7)
standard-performance (~> 1.8)
standard-custom (1.0.2)
lint_roller (~> 1.0)
rubocop (~> 1.50)
standard-performance (1.7.0)
standard-performance (1.8.0)
lint_roller (~> 1.1)
rubocop-performance (~> 1.24.0)
rubocop-performance (~> 1.25.0)
tilt (2.6.0)
ulid (1.4.0)
unicode-display_width (3.1.4)
@ -137,7 +136,6 @@ DEPENDENCIES
nanoid
puma
rack-test
rackup
rake
rspec
ruby-lsp
@ -148,4 +146,4 @@ DEPENDENCIES
uuid7
BUNDLED WITH
2.6.6
2.6.8

68
app.rb
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@ -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"
@ -20,11 +21,9 @@ $LOAD_PATH.unshift File.dirname(__FILE__) + "/lib"
require "config"
VERSION = "0.1.1"
VERSION = "0.2.2"
CHUNK_SIZE = 1024**2
SESSION_SECRET_HEX_LENGTH = 64
JWT_SECRET_HEX_LENGTH = 64
DEFAULT_FLAKEY = 50
NAME = "kubernaut".freeze
@ -52,9 +51,12 @@ 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
@ -113,7 +115,6 @@ class TickTock
def initialize
@pid = ppid
@procfs_f = format "/proc/%s/stat", @pid
puts @pid
end
def uptime
@ -164,7 +165,7 @@ class Sleep
include State
def initialize
@file = "/dev/shm/sleep"
@file = "/dev/shm/sleepy"
end
def asleep?
@ -181,20 +182,11 @@ class Sleep
end
def ppid
pid = Process.pid
# self
ps = File.open "/proc/#{pid}/stat", &:readline
ps = ps.split(" ")
ppid = Integer(ps[3])
# ppid
ps = File.open "/proc/#{ppid}/stat", &:readline
ps = ps.split(" ")
if ps[1].include? "ruby"
ppid
else
pid
pid = ENV.fetch "PUMA_PID", Process.pid
begin
Integer pid
rescue ArgumentError
-1
end
end
@ -232,9 +224,7 @@ end
enable :sessions
on_start do
puts "#{NAME} #{VERSION} staring, per aspera ad astra"
end
puts "#{NAME} #{VERSION} staring, per aspera ad astra"
configure do
mime_type :json, "application/json"
@ -309,31 +299,31 @@ 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?
@ -382,25 +372,27 @@ post "/halt" do
nil
end
get "/pid" do
get "/pid", provides: "json" do
pretty = params.key? :pretty
jsonify({ppid: ppid, pid: Process.pid}, pretty:)
end
get "/token" do
get "/token", provides: "json" do
pretty = params.key? :pretty
exp = Time.now.to_i + SECONDS_PER_MINUTE * 2
payload = {name: "anonymous", exp: exp, jti: Random.uuid}
expires_at = Time.at(exp).to_datetime
token = JWT.encode payload, JWT_SECRET, "HS256"
token = JWT.encode payload, config.jwt_secret.unwrap, "HS256"
x = {token: token, expires_at: expires_at}
jsonify x
jsonify x, pretty:
end
get "/token/validate" do
token = req_headers["authorization"].split[1]
payload = JWT.decode token, JWT_SECRET, true, algorithm: "HS256"
payload = JWT.decode token, config.jwt_secret.unwrap, true, algorithm: "HS256"
jsonify payload
end

View File

@ -15,10 +15,10 @@ 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: 0.1.1
version: 0.2.2
# 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: "0.1.1"
appVersion: "0.2.2"

View File

@ -97,7 +97,7 @@ readinessProbe:
# This section is for setting up autoscaling more information can be found here: https://kubernetes.io/docs/concepts/workloads/autoscaling/
autoscaling:
enabled: false
enabled: true
minReplicas: 2
maxReplicas: 100
targetCPUUtilizationPercentage: 80

5
config/puma.rb Normal file
View File

@ -0,0 +1,5 @@
ENV["PUMA_PID"] = Process.pid.to_s
port ENV.fetch("PORT", 4567)
pidfile ENV["PIDFILE"] if ENV["PIDFILE"]

22
docker-bake.hcl Normal file
View File

@ -0,0 +1,22 @@
group "default" {
targets = [ "bookworm", "alpine" ]
}
target "docker-metadata-action" {}
target "docker-metadata-action-alpine" {}
target "_common" {
args = {
RUBY_VERSION = "3.4.3"
}
}
target "bookworm" {
dockerfile = "./dockerfiles/bookworm.Dockerfile"
inherits = [ "_common", "docker-metadata-action" ]
}
target "alpine" {
dockerfile = "./dockerfiles/alpine.Dockerfile"
inherits = [ "_common", "docker-metadata-action-alpine" ]
}

View File

@ -0,0 +1,54 @@
ARG RUBY_VERSION="3.4.3"
ARG BASE_REGISTRY="docker.io"
FROM ${BASE_REGISTRY}/ruby:${RUBY_VERSION}-alpine AS base
ENV RACK_ENV="production" \
BUNDLE_DEPLOYMENT=true \
BUNDLE_PATH="/usr/local/bundle" \
BUNDLE_WITHOUT="development test" \
RUBY_YJIT_ENABLE=true
WORKDIR /kubernaut
RUN \
--mount=type=cache,id=var-cache-apk,target=/var/cache/apk,sharing=locked \
apk update -q; \
apk add bash jemalloc
RUN \
--mount=type=cache,id=usr-local-bundle-cache,target=${BUNDLE_PATH},sharing=locked \
gem update --system --no-document; \
gem install -N bundler
FROM base AS build
RUN \
--mount=type=cache,id=var-cache-apk,target=/var/cache/apk,sharing=locked \
apk update -q; \
apk add musl-dev gcc make; \
apk add bash jemalloc
COPY Gemfile Gemfile.lock ./
RUN \
--mount=type=cache,id=usr-local-bundle-ruby-cache,target=${BUNDLE_PATH}/ruby/3.4.0/cache,sharing=locked \
bundle install
COPY . .
FROM base
ENV PORT=4567
RUN \
addgroup --system --gid 666 kubernaut; \
adduser --system --uid 666 --ingroup kubernaut --shell /bin/bash --disabled-password kubernaut
COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
COPY --from=build /kubernaut /kubernaut
USER kubernaut:kubernaut
EXPOSE $PORT
ENTRYPOINT [ "/kubernaut/dockerfiles/entrypoint.sh" ]
CMD [ "bundle", "exec", "puma" ]

View File

@ -0,0 +1,62 @@
ARG RUBY_VERSION="3.4.3"
ARG BASE_REGISTRY="docker.io"
ARG DEBIAN_VERSION="bookworm"
FROM ${BASE_REGISTRY}/ruby:${RUBY_VERSION}-slim-${DEBIAN_VERSION} AS base
ENV RACK_ENV="production" \
BUNDLE_DEPLOYMENT=true \
BUNDLE_PATH="/usr/local/bundle" \
BUNDLE_WITHOUT="development test" \
RUBY_YJIT_ENABLE=true
WORKDIR /kubernaut
RUN rm -f /etc/apt/apt.conf.d/docker-clean
RUN \
--mount=type=cache,id=var-cache-apt,target=/var/cache/apt,sharing=locked \
--mount=type=cache,id=var-lib-apt,target=/var/lib/apt,sharing=locked \
apt-get update -qq; \
apt-get install --yes --no-install-recommends \
libjemalloc2
RUN \
--mount=type=cache,id=usr-local-bundle-cache,target=${BUNDLE_PATH},sharing=locked \
gem update --system --no-document; \
gem install -N bundler
ENV DEBIAN_FRONTEND="noninteractive"
FROM base AS build
RUN \
--mount=type=cache,id=var-cache-apt,target=/var/cache/apt,sharing=locked \
--mount=type=cache,id=var-lib-apt,target=/var/lib/apt,sharing=locked \
apt-get update -qq; \
apt-get install --yes --no-install-recommends \
build-essential
COPY Gemfile Gemfile.lock ./
RUN \
--mount=type=cache,id=usr-local-bundle-ruby-cache,target=${BUNDLE_PATH}/ruby/3.4.0/cache,sharing=locked \
bundle install
COPY . .
FROM base
ENV PORT=4567
RUN \
groupadd --system --gid 666 kubernaut; \
useradd --system --uid 666 --gid kubernaut --create-home --shell /bin/bash kubernaut
COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
COPY --from=build /kubernaut /kubernaut
USER kubernaut:kubernaut
EXPOSE $PORT
ENTRYPOINT [ "/kubernaut/dockerfiles/entrypoint.sh" ]
CMD [ "bundle", "exec", "puma" ]

15
dockerfiles/entrypoint.sh Executable file
View File

@ -0,0 +1,15 @@
#!/usr/bin/env bash
set -euo pipefail
# output debugging info
ruby --version
printf "rubygems %s\n" "$(gem --version)"
bundle version
if [ -z "${LD_PRELOAD+x}" ]; then
LD_PRELOAD="$(find /usr/lib -name libjemalloc.so.2 -print -quit)"
export LD_PRELOAD
fi
exec "${@}"

View File

@ -16,18 +16,24 @@ spec:
spec:
containers:
- name: kubernaut
image: git.kill0.net/ryanc/kubernaut:0.1.1
image: git.kill0.net/ryanc/kubernaut:0.2.2
imagePullPolicy: Always
ports:
- name: sinatra-web
containerPort: 4567
env:
- name: SESSION_SECRET
- name: KUBERNAUT_SESSION_SECRET
valueFrom:
secretKeyRef:
name: kubernaut-session-secret
name: kubernaut
key: session_secret
optional: true
- name: KUBERNAUT_JWT_SECRET
valueFrom:
secretKeyRef:
name: kubernaut
key: jwt_secret
optional: true
envFrom:
- configMapRef:
name: kubernaut-configmap

View File

@ -3,7 +3,6 @@ apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: kubernaut
resources:
- secret.yaml
- configmap.yaml
- deployment.yaml
- hpa.yaml

View File

@ -1,15 +0,0 @@
---
apiVersion: bitnami.com/v1alpha1
kind: SealedSecret
metadata:
creationTimestamp: null
name: kubernaut-session-secret
namespace: kubernaut
spec:
encryptedData:
session_secret: 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
template:
metadata:
creationTimestamp: null
name: kubernaut-session-secret
namespace: kubernaut

View File

@ -1,5 +1,8 @@
require "sensitive"
SESSION_SECRET_HEX_LENGTH = 64
JWT_SECRET_HEX_LENGTH = 64
class Config
attr_accessor :cat
@ -9,7 +12,7 @@ class Config
@prefix = prefix
@cat = cat
session_secret ||= ENV.fetch "SESSION_SECRET" do
session_secret ||= fetch_env "SESSION_SECRET" do
SecureRandom.hex SESSION_SECRET_HEX_LENGTH
end