Add cert-manager

This commit is contained in:
Amarpreet Minhas 2022-07-02 14:47:08 -04:00
parent f740e1d8c0
commit 7a0f1c9311
7 changed files with 177 additions and 0 deletions

1
.gitignore vendored Normal file
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003-cert-manager/cert-manager-webhook-namecheap/

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---
apiVersion: v1
kind: Secret
type: kubernetes.io/service-account-token
metadata:
name: serviceaccounttoken
namespace: cert-manager
annotations:
kubernetes.io/service-account.name: "cert-manager"
...
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: cert-manager-tokenreview-binding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: system:auth-delegator
subjects:
- kind: ServiceAccount
name: cert-manager
namespace: cert-manager
...
---
apiVersion: external-secrets.io/v1beta1
kind: SecretStore
metadata:
name: cert-manager
namespace: cert-manager
spec:
provider:
vault:
server: "https://vault.service.masked.name:8200"
path: "kv"
version: "v2"
caBundle: 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
auth:
kubernetes:
mountPath: "kubernetes"
role: "cert-manager"
secretRef:
name: "serviceaccounttoken"
...
---
apiVersion: external-secrets.io/v1beta1
kind: ExternalSecret
metadata:
name: cert-manager
namespace: cert-manager
spec:
secretStoreRef:
name: cert-manager
kind: SecretStore
data:
- secretKey: account_id
remoteRef:
key: acme
property: account_id
- secretKey: private_key
remoteRef:
key: acme
property: private_key
...
---
apiVersion: external-secrets.io/v1beta1
kind: ExternalSecret
metadata:
name: namecheap-credentials
namespace: cert-manager
spec:
secretStoreRef:
name: cert-manager
kind: SecretStore
data:
- secretKey: apiKey
remoteRef:
key: namecheap
property: api_key
- secretKey: apiUser
remoteRef:
key: namecheap
property: api_user
...

51
003-cert-manager/install.sh Executable file
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#!/bin/bash
CHART_VERSION=1.8.0
NAMESPACE=cert-manager
EMAIL=amarpreet@minhas.io
./vault-role.sh
helm repo add jetstack https://charts.jetstack.io
helm repo update
kubectl create ns ${NAMESPACE}
kubectl create serviceaccount -n ${NAMESPACE} cert-manager
kubectl apply -n ${NAMESPACE} -f external-secrets.yaml
helm upgrade --install \
cert-manager \
jetstack/cert-manager \
-f values.yaml \
-n ${NAMESPACE} \
--version ${CHART_VERSION} \
--set installCRDs=true \
--cleanup-on-fail
helm upgrade -install \
cert-manager-csi-driver \
jetstack/cert-manager-csi-driver \
-n ${NAMESPACE} \
--wait \
--cleanup-on-fail
git clone https://github.com/kelvie/cert-manager-webhook-namecheap
pushd cert-manager-webhook-namecheap
helm upgrade --install \
-n ${NAMESPACE} \
namecheap-webhook \
deploy/cert-manager-webhook-namecheap/ \
--wait \
--cleanup-on-fail
helm upgrade --install \
-n ${NAMESPACE} \
--set email=${EMAIL} \
letsencrypt-namecheap-issuer \
deploy/letsencrypt-namecheap-issuer/ \
--wait \
--cleanup-on-fail
popd
kubectl apply -f vault-issuer.yaml

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003-cert-manager/uninstall.sh Executable file
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#!/bin/bash
CHART_VERSION=1.8.0
kubectl delete -f vault-issuer.yaml
kubectl get Issuers,ClusterIssuers,Certificates,CertificateRequests,Orders,Challenges --all-namespaces
#helm -n cert-manager delete cert-manager
#kubectl delete ns cert-manager
#kubectl delete -f https://github.com/jetstack/cert-manager/releases/download/v${CHART_VERSION}/cert-manager.crds.yaml

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installCRDs: true

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---
apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
name: vault-issuer
namespace: cert-manager
spec:
vault:
path: pki_int/issue/masked-dot-name
server: https://vault.service.masked.name:8200
caBundle: "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"
auth:
appRole:
path: approle
roleId: "f1c101e4-c8b1-5cc0-ea52-04f62bd6ffbd"
secretRef:
name: cert-manager-vault-approle
key: secretId

12
003-cert-manager/vault-role.sh Executable file
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#!/bin/bash
HOST_IP=$(ip addr show eth0 | grep -Po 'inet \K[\d.]+')
TOKEN="$(kubectl get secret serviceaccounttoken -n cert-manager -o go-template='{{ .data.token }}' | base64 -d)"
vault write auth/kubernetes/role/cert-manager \
bound_service_account_names=cert-manager \
bound_service_account_namespaces=cert-manager \
policies=cert-manager \
ttl=24h
vault write auth/kubernetes/login role=cert-manager jwt=${TOKEN} iss=https://${HOST_IP}:6443