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‎.github/workflows/continuous-deployment.yml

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name: Continuous Deployment
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on:
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create:
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jobs:
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pull-request:
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if: github.ref_name == 'continuous-deployment'
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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name: checkout
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- name: Set up Git
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run: |
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git config --global user.email "github-actions[bot]@users.noreply.github.com"
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git config --global user.name "github-actions[bot]"
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- name: Create Pull Request
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run: |
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gh auth refresh -s project
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gh pr create --fill-first

‎.github/workflows/update-flux.yml

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name: Update Flux
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on:
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workflow_dispatch:
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schedule:
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- cron: "0 0 * * 1" # At 00:00 on Monday.
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jobs:
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components:
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runs-on: ubuntu-latest
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env:
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BRANCH: update-flux
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INSTALL_LOCATION: ./clusters/flux-system/gotk-components.yaml
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steps:
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- name: Check out code
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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- name: Setup Flux CLI
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uses: fluxcd/flux2/action@main
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- name: Configure Git
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run: |
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git config --global user.email "github-actions[bot]@users.noreply.github.com"
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git config --global user.name "github-actions[bot]"
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- name: Checkout branch
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run: |
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(git checkout $BRANCH && git pull) || git checkout -b $BRANCH
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- name: Check for updates
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id: update
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run: |
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flux install \
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--export > $INSTALL_LOCATION
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echo "flux_version=$(flux -v)" >> $GITHUB_OUTPUT
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- name: Commit
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continue-on-error: true
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run: |
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git add .
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git commit -am "${{ steps.update.outputs.flux_version }}"
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git push -u origin HEAD
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- name: GitHub Pull Request
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env:
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GH_TOKEN: ${{ github.token }}
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run: |
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gh pr create --fill-first --label CD || gh pr status

‎.gitignore

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.DS_Store
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# Ignore editor workspace files
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.vscode
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.sublime-*
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.atom
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.editorconfig
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.idea
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.nyc_output
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coverage
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*.lcov
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*.swp
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*.swo
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# Ignore all logfiles and tempfiles.
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/log/*
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/tmp/*
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!/log/.keep
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!/tmp/.keep

‎.sourceignore

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*.md

‎Brewfile

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# frozen_string_literal: true
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tap 'fluxcd/tap'
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brew 'fluxcd/tap/flux'
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tap 'k0sproject/tap'
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brew 'k0sproject/tap/k0sctl'
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brew 'kubernetes-cli'
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brew 'helm'
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brew 'cloudflared'
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brew 'pixie'

‎Brewfile.lock.json

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‎README.md

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# Turing Pi 2 Kubernetes Cluster
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Flux driven bare metal kubernetes cluster living on the edge.
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![IMG_1022](https://user-images.githubusercontent.com/2963800/256379395-9535575e-c533-4981-aa85-0f44d37322ea.jpg)
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## Getting Started
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### Turing Pi
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A compact AI & edge computing cluster.
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```mermaid
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mindmap
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root(clusters/local)
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apps
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home
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homebridge
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waterstream
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zigbee2MQTT
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sample
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red
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blue
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whoami
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charts
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cert manager
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cilium
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cloudflare tunnel
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grafana
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nvidia device plugin
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postgres
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redpanda
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sealed secrets
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manifests
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GatewayClass
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Gateway
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RuntimeClass
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StorageClass
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notifications
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slack
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webhooks
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```
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#### Build
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- [Densium APU](https://densium.net/products/densium-apu?Frontpanel=Dark+Walnut&Exterior=Black) 4L
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- [Noctua NF-A14 ULN](https://noctua.at/en/products/fan/nf-a14-uln) 140mm
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- [Pico PSU](https://turingpi.com/product/pico-psu/) 160w
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- 3x [Turing RK1](https://turingpi.com/product/turing-rk1) 8 cores / 32 GB / 6 TOPS
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- 1x [Nvidia Jetson Orin NX](https://www.nvidia.com/en-us/autonomous-machines/embedded-systems/jetson-orin/#tech-specs) 8 cores / 16 GB / 100 TOPS
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- 4x [Samsung 970 EVO Plus NVMe M.2 SSD](https://www.samsung.com/us/computing/memory-storage/solid-state-drives/ssd-970-evo-plus-nvme-m-2-250gb-mz-v7s250b-am/) 250GB
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32 cores / 112 GB / 118 TOPS
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1TB storage
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<https://turingpi.com/>
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### Kubernetes (via k0s)
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An open-source system for automating deployment, scaling, and management of containerized applications.
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<https://k0sproject.io/>
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### Flux
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Used to **pull** repository changes into kubernetes clusters.
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<https://fluxcd.io/>
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### Cilium
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Used for providing, securing, and observing network connectivity between workloads, powered by eBPF.
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<https://cilium.io/>
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### Brew
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The Missing Package Manager for macOS (or Linux).
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<https://brew.sh>
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This repo includes a collection of dependencies to install:
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```sh
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brew bundle
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```
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## Usage
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### Bootstrap
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When spinning up the cluster for the first time, there are 3 primary steps.
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1. Install `k0s`
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<https://docs.k0sproject.io/v1.28.2+k0s.0/k0sctl-install/>
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```sh
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k0sctl apply --config ./clusters/overlays/local/k0s.yaml
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k0sctl kubeconfig --config ./clusters/overlays/local/k0s.yaml
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# add the output of this to ~/.kube/config
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```
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2. Bootstrap `flux`
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<https://fluxcd.io/flux/installation/bootstrap/github/>
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```sh
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flux bootstrap github \
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--components-extra=image-reflector-controller,image-automation-controller \
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--owner=dudo \
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--repository=turing-pi \
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--private=false \
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--personal=true \
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--path=clusters/overlays/local
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```
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3. Install `cilium`
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<https://docs.cilium.io/en/stable/gettingstarted/k8s-install-default/>
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- [System Requirements](https://docs.cilium.io/en/stable/operations/system_requirements/#admin-system-reqs)
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- [Rebuilding the Linux Kernel](https://gist.github.com/dudo/7d853fd54f2d3db6e5e44b8b59ae12d5)
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```sh
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cilium install --version 1.14.2
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cilium status --wait
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```
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### kubectl
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<https://kubernetes.io/docs/reference/kubectl/cheatsheet/>
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```sh
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kubectl get GitRepository -n flux-system
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kubectl get Kustomization -n flux-system
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kubectl get HelmRelease -n blue
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kubectl logs -n flux-system deploy/image-automation-controller
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kubectl run curl --image=curlimages/curl --restart=Never --rm -it -- sh
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kubectl run busybox --image=busybox --restart=Never --rm -it -- sh
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```
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### flux
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<https://fluxcd.io/flux/cmd/>
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```sh
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flux get all -A
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flux suspend image update my-service
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flux resume image update my-service
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flux reconcile source git flux-system
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flux reconcile kustomization flux-system
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flux reconcile kustomization charts
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```
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### kubeseal
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<https://github.com/bitnami-labs/sealed-secrets>
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```sh
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encoded_string=$(echo -n "This is a string" | base64)
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encoded_string=$(base64 <<EOF
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This is a
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multi-line string
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that I want to encode.
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EOF
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)
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kubeseal --format=yaml <<EOF
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apiVersion: v1
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kind: Secret
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metadata:
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name: mysecret
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namespace: whatever
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data:
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my.file: ${encoded_string}
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EOF
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```
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### Reset
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Tearing down the cluster is a 1 step process.
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1. Reset the cluster
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<https://docs.k0sproject.io/v1.28.2+k0s.0/reset/>
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```sh
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k0sctl reset --config ./clusters/overlays/local/k0s.yaml
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```
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## Pertinent Sections
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- [Apps](./apps)
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- [Charts](./charts)
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- [Clusters](./clusters)
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- [Manifests](./manifests)
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- [Notifications](./notifications)

‎apps/README.md

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# Apps
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The reason for the season! Here lives the GitRepository resources that fetch manifests from our apps' repos (per the [documentation](https://fluxcd.io/docs/guides/repository-structure/#repo-per-app)).

‎apps/demo/README.md

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# Demo
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Demo app to validate data.

‎apps/demo/base/emojivoto/kustomization.yaml

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---
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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namespace: flux-system
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resources:
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- source.yaml

‎apps/demo/base/emojivoto/source.yaml

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---
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apiVersion: source.toolkit.fluxcd.io/v1
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kind: GitRepository
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metadata:
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name: emojivoto
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spec:
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interval: 10m
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url: https://github.com/BuoyantIO/emojivoto
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ref:
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branch: main
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---
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apiVersion: kustomize.toolkit.fluxcd.io/v1
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kind: Kustomization
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metadata:
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name: emojivoto
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spec:
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interval: 10m
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sourceRef:
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kind: GitRepository
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name: emojivoto
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namespace: flux-system
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targetNamespace: emojivoto
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path: ./kustomize/deployment
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prune: true
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wait: true
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timeout: 5m

‎apps/demo/base/kustomization.yaml

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---
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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resources:
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- namespace.yaml
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- emojivoto
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- online-boutique

‎apps/demo/base/namespace.yaml

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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: emojivoto
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: online-boutique

‎apps/demo/base/online-boutique/kustomization.yaml

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---
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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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namespace: flux-system
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resources:
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- source.yaml

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