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Commit a150d16

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nicklasfrahmnicklasfrahm
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feat(demo): add fancy demo for HA cluster with demo app
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‎.gitignore‎

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# Ignore Vagrant state.
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.vagrant/
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# Ignore downloaded Helm charts.
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deploy/demo/**/charts

‎Makefile‎

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.PHONY: clean
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clean:
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@rm -rvf bin
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.PHONY: demo-up
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demo-up: install
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@echo -n "\e[35m==>\e[0m "
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k3se up deploy/demo/k3se.yaml
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@echo -n "\e[35m==>\e[0m "
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kubectx [email protected]
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@echo -n "\e[35m==>\e[0m "
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kubectl create ns traefik --dry-run=client -o yaml | kubectl apply -f -
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@echo -n "\e[35m==>\e[0m "
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helm dependency update deploy/demo/traefik
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@echo -n "\e[35m==>\e[0m "
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helm upgrade --install traefik deploy/demo/traefik --namespace traefik
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@echo -n "\e[35m==>\e[0m "
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kubectl create ns cert-manager --dry-run=client -o yaml | kubectl apply -f -
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@echo -n "\e[35m==>\e[0m "
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helm dependency update deploy/demo/cert-manager
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@echo -n "\e[35m==>\e[0m "
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helm upgrade --install cert-manager deploy/demo/cert-manager --namespace cert-manager
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@echo -n "\e[35m==>\e[0m "
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kubectl apply -f deploy/demo/clusterissuers
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@echo -n "\e[35m==>\e[0m "
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kubectl apply -f deploy/demo/app
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.PHONY: demo-down
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demo-down:
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@echo -n "\e[35m==>\e[0m "
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k3se down deploy/demo/k3se.yaml

‎deploy/demo/app/deployment.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: kuard
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spec:
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selector:
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matchLabels:
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app.kubernetes.io/name: kuard
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# I don't want to mess with anti-affinities so let's
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# just create enough pods to spread them across nodes.
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replicas: 9
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template:
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metadata:
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labels:
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app.kubernetes.io/name: kuard
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spec:
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containers:
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- image: gcr.io/kuar-demo/kuard-amd64:1
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imagePullPolicy: Always
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name: kuard
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ports:
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- containerPort: 8080
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resources:
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requests:
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cpu: 128m
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memory: 128Mi
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# Limits are tricky, but I don't
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# want warnings here, so I added them.
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limits:
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cpu: 128m
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memory: 128Mi

‎deploy/demo/app/ingress.yaml‎

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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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name: kuard
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labels:
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app.kubernetes.io/name: kuard
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annotations:
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cert-manager.io/cluster-issuer: "letsencrypt-production"
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spec:
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ingressClassName: traefik
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tls:
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- hosts:
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- k3se.nicklasfrahm.xyz
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secretName: kuard-tls
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rules:
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- host: k3se.nicklasfrahm.xyz
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http:
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paths:
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- path: /
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pathType: Prefix
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backend:
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service:
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name: kuard
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port:
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name: http

‎deploy/demo/app/service.yaml‎

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apiVersion: v1
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kind: Service
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metadata:
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name: kuard
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spec:
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ports:
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- name: http
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port: 80
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targetPort: 8080
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protocol: TCP
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selector:
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app.kubernetes.io/name: kuard

‎deploy/demo/cert-manager/Chart.lock‎

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dependencies:
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- name: cert-manager
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repository: https://charts.jetstack.io
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version: v1.9.1
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digest: sha256:b3c1f49120842cf9da8e5e7c2102b73735c32eefcaacfcffe0bcd0ae85b2c9bc
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generated: "2022-08-16T20:03:04.998492102+02:00"

‎deploy/demo/cert-manager/Chart.yaml‎

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apiVersion: v2
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name: cert-manager
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description: An umbrella chart to configure cert-manager.
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version: 1.9.1
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dependencies:
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- name: cert-manager
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version: 1.9.1
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repository: https://charts.jetstack.io

‎deploy/demo/cert-manager/values.yaml‎

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cert-manager:
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installCRDs: true

‎deploy/demo/clusterissuers/letsencrypt-production.yaml‎

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apiVersion: cert-manager.io/v1
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kind: ClusterIssuer
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metadata:
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name: letsencrypt-production
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spec:
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acme:
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server: https://acme-v02.api.letsencrypt.org/directory
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preferredChain: ISRG Root X1
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email: [email protected]
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privateKeySecretRef:
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name: letsencrypt-production-clusterissuer-key
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solvers:
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- http01:
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ingress:
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class: traefik

‎deploy/demo/clusterissuers/letsencrypt-staging.yaml‎

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apiVersion: cert-manager.io/v1
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kind: ClusterIssuer
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metadata:
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name: letsencrypt-staging
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spec:
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acme:
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server: https://acme-staging-v02.api.letsencrypt.org/directory
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preferredChain: ISRG Root X1
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email: [email protected]
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privateKeySecretRef:
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name: letsencrypt-staging-clusterissuer-key
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solvers:
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- http01:
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ingress:
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class: traefik

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