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External Secrets setup

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Setup the external secrets helm charts
Convert hard coded secrets to external secrets
Add BitWarden CLI for serving external secrets
This commit is contained in:
Greg Hellings
2025-05-26 17:10:01 -05:00
parent 3110cff93c
commit ce5f604636
23 changed files with 320 additions and 24 deletions
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manifests/README.md
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Stands up my personal infrastructure in a Kubernetes environment.
# First Thing First
In order to properly get things up and going, you will need to create a secret to allow
the external secrets to log into BitWarden Password Manager. For obvious reasont this
cannot be safely added to this repository. As such, it is suggested you create this
manually.
```bash
kubectl create namespace bitwarden
kubectl create secret generic bitwarden-cli --namespace bitwarden --from-literal=BW_USERNAME=my_username --from-literal=BW_PASSWORD=my_password
# Alternative to the preceding line if you don't want the data in your shell history
kubectl create secret generic bitwarden-cli --namespace bitwarden --from-file=./BW_USERNAME.txt --from-file=./BW_PASSWORD.txt
# And yet an entirely other option, if I'm logged into my own systems
sudo cat /run/agenix/bw_secret | kubectl apply -f -
```
# Now Configure Cluster Services
To apply this you need to install kubectl, kustomize, and helm. It can then by applied
by simply invoking the command:
manifests/apply.sh
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cd "$SCRIPT_DIR"
kubectl apply -k namespaces
kustomize build external-secrets --enable-helm | kubectl apply -f -
echo -e "\nPausing for a moment to allow the External Secrets stuff to get going\n"
sleep 5
kustomize build postgres --enable-helm | kubectl apply -f - --server-side --force-conflicts
echo -e "\nPausing for a moment to allow Postgres stuff to get going\n"
sleep 5
kubectl apply -k .
manifests/bitwarden/cluster-stores.yaml
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---
apiVersion: external-secrets.io/v1
kind: ClusterSecretStore
metadata:
name: bitwarden-login
spec:
provider:
webhook:
url: "http://bitwarden-cli.bitwarden.svc.cluster.local:8087/object/item/{{ .remoteRef.key }}"
headers:
Content-Type: application/json
result:
jsonPath: "$.data.login.{{ .remoteRef.property }}"
---
apiVersion: external-secrets.io/v1
kind: ClusterSecretStore
metadata:
name: bitwarden-fields
spec:
provider:
webhook:
url: "http://bitwarden-cli.bitwarden.svc.cluster.local:8087/object/item/{{ .remoteRef.key }}"
result:
jsonPath: '$.data.fields[?@.name=="{{ .remoteRef.property }}"].value'
---
apiVersion: external-secrets.io/v1
kind: ClusterSecretStore
metadata:
name: bitwarden-notes
spec:
provider:
webhook:
url: "http://bitwarden-cli.bitwarden.svc.cluster.local:8087/object/item/{{ .remoteRef.key }}"
result:
jsonPath: "$.data.notes"
---
apiVersion: external-secrets.io/v1
kind: ClusterSecretStore
metadata:
name: bitwarden-attachments
spec:
provider:
webhook:
url: "http://bitwarden-cli.bitwarden.svc.cluster.local:8087/object/attachment/{{ .remoteRef.property }}?itemid={{ .remoteRef.key }}"
result: {}
manifests/bitwarden/deployment.yaml
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apiVersion: apps/v1
kind: Deployment
metadata:
name: bitwarden-cli
labels:
app.kubernetes.io/instance: bitwarden-cli
app.kubernetes.io/name: bitwarden-cli
spec:
replicas: 1
strategy:
type: Recreate
selector:
matchLabels:
app.kubernetes.io/name: bitwarden-cli
app.kubernetes.io/instance: bitwarden-cli
template:
metadata:
labels:
app.kubernetes.io/name: bitwarden-cli
app.kubernetes.io/instance: bitwarden-cli
spec:
containers:
- name: bitwarden-cli
image: "registry.thehellings.com/greg/nixos-config/img-bitwarden:latest"
imagePullPolicy: Always
env:
- name: BW_CLIENTID
valueFrom:
secretKeyRef:
name: bitwarden-cli
key: BW_CLIENTID
- name: BW_CLIENTSECRET
valueFrom:
secretKeyRef:
name: bitwarden-cli
key: BW_CLIENTSECRET
- name: BW_PASSWORD
valueFrom:
secretKeyRef:
name: bitwarden-cli
key: BW_PASSWORD
ports:
- name: http
containerPort: 8087
protocol: TCP
livenessProbe:
exec:
command:
- wget
- -q
- http://127.0.0.1:8087/sync?force=true
- --post-data=''
initialDelaySeconds: 20
failureThreshold: 3
timeoutSeconds: 10
periodSeconds: 120
readinessProbe:
tcpSocket:
port: 8087
initialDelaySeconds: 20
failureThreshold: 3
timeoutSeconds: 1
periodSeconds: 10
startupProbe:
tcpSocket:
port: 8087
initialDelaySeconds: 10
failureThreshold: 30
timeoutSeconds: 1
periodSeconds: 5
manifests/bitwarden/kustomization.yaml
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namespace: bitwarden
resources:
- deployment.yaml
- service.yaml
- cluster-stores.yaml
manifests/bitwarden/service.yaml
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apiVersion: v1
kind: Service
metadata:
name: bitwarden-cli
labels:
app.kubernetes.io/instance: bitwarden-cli
app.kubernetes.io/name: bitwarden-cli
annotations:
spec:
type: ClusterIP
ports:
- port: 8087
targetPort: http
protocol: TCP
name: http
selector:
app.kubernetes.io/name: bitwarden-cli
app.kubernetes.io/instance: bitwarden-cli
manifests/databases/postgres-gitlab.yaml
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apiVersion: v1
kind: Secret
metadata:
name: postgres-user-gitlab
labels:
cnpg.io/reload: "true"
type: kubernetes.io/basic-auth
stringData:
# Currently this is set to "gitlab"
username: gitlab
password: gitlab
---
apiVersion: postgresql.cnpg.io/v1
kind: Database
metadata:
manifests/databases/postgres-pgadmin.yaml
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apiVersion: v1
kind: Secret
metadata:
name: postgres-user-pgadmin
labels:
cnpg.io/reload: "true"
type: kubernetes.io/basic-auth
stringData:
username: pgadmin
password: pgadmin
---
apiVersion: v1
kind: ConfigMap
metadata:
name: config-pgadmin
manifests/external-secrets/kustomization.yaml
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namespace: external-secrets
helmCharts:
# Install the operator first (with CRDs)
- name: external-secrets
repo: "https://charts.external-secrets.io/"
version: "0.17.0"
namespace: external-secrets
releaseName: external-secrets
includeCRDs: true
valuesInline:
crds:
create: true
manifests/kustomization.yaml
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resources:
- namespaces
- bitwarden
- secrets
- databases
manifests/namespaces/bitwarden.yaml
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apiVersion: v1
kind: Namespace
metadata:
name: bitwarden
manifests/namespaces/external-secrets.yaml
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apiVersion: v1
kind: Namespace
metadata:
name: external-secrets
manifests/namespaces/kustomization.yaml
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resources:
- external-secrets.yaml
- bitwarden.yaml
- db.yaml
manifests/secrets/kustomization.yaml
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resources:
- postgres-user-gitlab.yaml
- postgres-user-pgadmin.yaml
manifests/secrets/postgres-user-gitlab.yaml
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apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
name: postgres-user-gitlab
namespace: db
spec:
target:
name: postgres-user-gitlab
deletionPolicy: Delete
template:
type: Opaque
data:
username: |-
{{ .username }}
password: |-
{{ .password }}
data:
- secretKey: username
sourceRef:
storeRef:
name: bitwarden-login
kind: ClusterSecretStore
remoteRef:
key: 5282ad16-c2dc-49d3-8fb3-b2e9012bab57
property: username
- secretKey: password
sourceRef:
storeRef:
name: bitwarden-login
kind: ClusterSecretStore
remoteRef:
key: 5282ad16-c2dc-49d3-8fb3-b2e9012bab57
property: password
manifests/secrets/postgres-user-pgadmin.yaml
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apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
name: postgres-user-pgadmin
namespace: db
spec:
target:
name: postgres-user-pgadmin
deletionPolicy: Delete
template:
type: Opaque
data:
username: |-
{{ .username }}
password: |-
{{ .password }}
data:
- secretKey: username
sourceRef:
storeRef:
name: bitwarden-login
kind: ClusterSecretStore
remoteRef:
key: f333d637-1667-499d-b9a0-b2e9012bd8b7
property: username
- secretKey: password
sourceRef:
storeRef:
name: bitwarden-login
kind: ClusterSecretStore
remoteRef:
key: f333d637-1667-499d-b9a0-b2e9012bd8b7
property: password