feat: add cert-manager

2021-04-14 12:34:44 -04:00
1 parent 7a770b9ab4
commit f49c4d89b4
@@ -1,13 +1,15 @@
 # cluster-k3s
-Template for creating a k3s cluster with [k3sup](https://github.com/alexellis/k3sup), [Flux](https://toolkit.fluxcd.io/) and [SOPS](https://github.com/mozilla/sops)
+Template for creating a [k3s](https://k3s.io/) cluster with [k3sup](https://github.com/alexellis/k3sup), [Flux](https://toolkit.fluxcd.io/) and [SOPS](https://github.com/mozilla/sops)
-This template will bootstrap the nodes you want with the following components
+This template will bootstrap the nodes you want with the following components:
- k3s
+- [k3s](https://k3s.io/)
- flux
+- [flannel](https://github.com/flannel-io/flannel)
- metallb
+- [local-path-provisioner](https://github.com/rancher/local-path-provisioner)
- flannel
+- [flux](https://toolkit.fluxcd.io/)
 - [metallb](https://metallb.universe.tf/)
 - [cert-manager](https://cert-manager.io/) with Cloudflare DNS challenge
 ## :memo:&nbsp; Prerequisites
@@ -112,8 +114,8 @@ k3sup join \
 ```sh
 kubectl --kubeconfig=./kubeconfig get nodes
 # NAME           STATUS   ROLES                       AGE     VERSION
-# k8s-master-a   Ready    control-plane,master      4d14h   v1.20.5+k3s1
+# k8s-master-a   Ready    control-plane,master      4d20h   v1.20.5+k3s1
-# k8s-worker-a   Ready    worker                    4d14h   v1.20.5+k3s1
+# k8s-worker-a   Ready    worker                    4d20h   v1.20.5+k3s1
 ```
 ### GitOps with Flux
@@ -137,21 +139,25 @@ kubectl --kubeconfig=./kubeconfig create secret generic sops-gpg \
 ```sh
 export BOOTSTRAP_GITHUB_REPOSITORY="k8s-at-home/home-cluster"
 export BOOTSTRAP_DOMAIN="k8s-at-home.com"
 export BOOTSTRAP_METALLB_LB_RANGE="169.254.1.10-169.254.1.20"
 export BOOTSTRAP_DOMAIN="k8s-at-home.com"
 export BOOTSTRAP_CLOUDFLARE_TOKEN="dsKq41iLAbXE37GV"
 envsubst < ./.sops.yaml
 envsubst < ./cluster/cluster-secrets.yaml
 envsubst < ./cluster/cluster-settings.yaml
 envsubst < ./cluster/base/flux-system/gotk-sync.yaml
 envsubst < ./cluster/core/infrastructure/cert-manager/secret.enc.yaml
 ```
 4. **Verify** all the above files have the correct information present
-5. Encrypt `cluster-settings.yaml` with SOPS
+5. Encrypt `cluster-settings.yaml` and `secret.enc.yaml` with SOPS
 ```sh
 export GPG_TTY=$(tty)
 sops --encrypt --in-place ./cluster/base/cluster-secrets.yaml
 sops --encrypt --in-place ./cluster/core/infrastructure/cert-manager/secret.enc.yaml
 ```
 6. **Verify** this file **is encrypted** with SOPS
@@ -180,4 +186,4 @@ pre-commit install-hooks
 ## :handshake:&nbsp; Thanks
-A lot of inspiration for my cluster came from the people that have shared their clusters over at [awesome-home-kubernetes](https://github.com/k8s-at-home/awesome-home-kubernetes)
+Big shout out to all the authors and contributors to the projects that we are using in this repository.
@@ -6,3 +6,4 @@ metadata:
    namespace: flux-system
 stringData:
    SECRET_DOMAIN: $BOOTSTRAP_DOMAIN
    SECRET_CLOUDFLARE_EMAIL: $BOOTSTRAP_CLOUDFLARE_EMAIL
@@ -0,0 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 # renovate: registryUrl=https://charts.jetstack.io chart=cert-manager
 - https://github.com/jetstack/cert-manager/releases/download/v1.3.0/cert-manager.crds.yaml
@@ -0,0 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - cert-manager
@@ -0,0 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - letsencrypt-production.yaml
 - letsencrypt-staging.yaml
 - secret.enc.yaml
@@ -0,0 +1,18 @@
 ---
 apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
  name: letsencrypt-production
 spec:
  acme:
    server: https://acme-v02.api.letsencrypt.org/directory
    email: "${SECRET_CLOUDFLARE_EMAIL}"
    privateKeySecretRef:
      name: letsencrypt-production
    solvers:
    - dns01:
        cloudflare:
          email: "${SECRET_CLOUDFLARE_EMAIL}"
          apiKeySecretRef:
            name: cloudflare-token-secret
            key: cloudflare-token
@@ -0,0 +1,18 @@
 ---
 apiVersion: cert-manager.io/v1
 kind: ClusterIssuer
 metadata:
  name: letsencrypt-staging
 spec:
  acme:
    server: https://acme-staging-v02.api.letsencrypt.org/directory
    email: "${SECRET_CLOUDFLARE_EMAIL}"
    privateKeySecretRef:
      name: letsencrypt-staging
    solvers:
    - dns01:
        cloudflare:
          email: "${SECRET_CLOUDFLARE_EMAIL}"
          apiKeySecretRef:
            name: cloudflare-token-secret
            key: cloudflare-token
@@ -0,0 +1,8 @@
 # yamllint disable
 apiVersion: v1
 kind: Secret
 metadata:
    name: cloudflare-token-secret
    namespace: cert-manager
 stringData:
    cloudflare-token: ${BOOTSTRAP_CLOUDFLARE_TOKEN}
@@ -0,0 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - cert-manager
 - metallb
@@ -0,0 +1,37 @@
 ---
 apiVersion: helm.toolkit.fluxcd.io/v2beta1
 kind: HelmRelease
 metadata:
  name: metallb
  namespace: networking
 spec:
  interval: 5m
  chart:
    spec:
      chart: metallb
      version: 2.3.5
      sourceRef:
        kind: HelmRepository
        name: bitnami-charts
        namespace: flux-system
      interval: 10m
  values:
    controller:
      image:
        repository: metallb/controller
        tag: v0.9.6
    speaker:
      image:
        repository: metallb/speaker
        tag: v0.9.6
    prometheus:
      serviceMonitor:
        enabled: false
      prometheusRule:
        enabled: false
    configInline:
      address-pools:
      - name: default
        protocol: layer2
        addresses:
        - "${METALLB_LB_RANGE}"
@@ -0,0 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - helm-release.yaml
@@ -0,0 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - crds
 - infrastructure
 - namespaces
@@ -0,0 +1,5 @@
 ---
 apiVersion: v1
 kind: Namespace
 metadata:
  name: cert-manager
@@ -0,0 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - cert-manager.yaml
 - networking.yaml
@@ -0,0 +1,5 @@
 ---
 apiVersion: v1
 kind: Namespace
 metadata:
  name: networking
@@ -0,0 +1,37 @@
 ---
 apiVersion: helm.toolkit.fluxcd.io/v2beta1
 kind: HelmRelease
 metadata:
  name: cert-manager
  namespace: cert-manager
 spec:
  interval: 5m
  chart:
    spec:
      # renovate: registryUrl=https://charts.jetstack.io/
      chart: cert-manager
      version: v1.3.0
      sourceRef:
        kind: HelmRepository
        name: jetstack-charts
        namespace: flux-system
      interval: 5m
  values:
    installCRDs: false
    webhook:
      enabled: true
    extraArgs:
    - --dns01-recursive-nameservers=1.1.1.1:53
    - --dns01-recursive-nameservers-only
    cainjector:
      replicaCount: 1
    podDnsPolicy: "None"
    podDnsConfig:
      nameservers:
      - "1.1.1.1"
      - "8.8.8.8"
    prometheus:
      enabled: false
      servicemonitor:
        enabled: false
        prometheusInstance: monitoring
@@ -0,0 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - helm-release.yaml
@@ -0,0 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - cert-manager