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k8s-manifests/monitoring/deployment-kube-prometheus-stack-grafana.yaml
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chemavxandClaude Opus 4.8 379af6d0cc monitoring: recupera el SSO de Grafana con Authentik 
Grafana llevaba ~15 días sin SSO: ignoraba la cabecera X-authentik-username, de
modo que Authentik te dejaba pasar y Grafana te pedía credenciales igual. El
último acceso de akadmin (el usuario que crea auto_sign_up) es de hace 15 días.

El bloque [auth.proxy] estaba en el ConfigMap vivo en abril — así consta en el
export de git de aquel momento — pero el chart NUNCA lo ha generado en ninguna
de sus 7 revisiones, así que era un retoque a mano que se perdió por el camino.
Ahora va declarado en values y sobrevive a una reconstrucción.

Aparecida al arreglarlo, otra pieza del mismo tipo: la anotación
router.middlewares que engancha el forward-auth de Authentik al Ingress. Vivía
sólo por el three-way merge de Helm, igual que el montaje de alerting (0501aab)
y el token de Telegram (28f1631). Reconstruir el release habría dejado Grafana
en internet SIN autenticación de Authentik, con sólo su formulario delante.

NO se restaura disable_login_form, que sí traía la config de abril: el
formulario local se queda como puerta de emergencia, con la contraseña del
secret grafana-admin. Que el SSO fallara en silencio es justo lo que pasó aquí.

Verificado: con la cabecera, autentica como akadmin; sin ella sigue dando 401;
una petición externa a grafana.chemavx.xyz redirige (302) al authorize de
Authentik; el formulario local responde 200 y la contraseña de emergencia entra;
0 errores en el arranque. Exports regenerados: el auditor deja monitoring en 2
hallazgos, ambos conocidos (una anotación del controlador y el tag de
uptime-kuma, pendiente de decidir con el resto de tags flotantes).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-22 08:55:01 +00:00

288 lines
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apiVersion: apps/v1
kind: Deployment
metadata:
annotations:
deployment.kubernetes.io/revision: '17'
meta.helm.sh/release-name: kube-prometheus-stack
meta.helm.sh/release-namespace: monitoring
labels:
app.kubernetes.io/instance: kube-prometheus-stack
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/name: grafana
app.kubernetes.io/version: 12.4.2
helm.sh/chart: grafana-11.5.0
name: kube-prometheus-stack-grafana
namespace: monitoring
spec:
progressDeadlineSeconds: 600
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
app.kubernetes.io/instance: kube-prometheus-stack
app.kubernetes.io/name: grafana
strategy:
rollingUpdate:
maxSurge: 25%
maxUnavailable: 25%
type: RollingUpdate
template:
metadata:
annotations:
checksum/config: a6301dce6c406cc2f76aa94d5b1ea97e65ba7ab52b6cd5b7c57ee4787a91977a
checksum/sc-dashboard-provider-config: e70bf6a851099d385178a76de9757bb0bef8299da6d8443602590e44f05fdf24
kubectl.kubernetes.io/default-container: grafana
kubectl.kubernetes.io/restartedAt: '2026-07-22T08:00:01Z'
labels:
app.kubernetes.io/instance: kube-prometheus-stack
app.kubernetes.io/name: grafana
app.kubernetes.io/version: 12.4.2
helm.sh/chart: grafana-11.5.0
spec:
automountServiceAccountToken: true
containers:
- env:
- name: METHOD
value: WATCH
- name: LABEL
value: grafana_dashboard
- name: LABEL_VALUE
value: '1'
- name: FOLDER
value: /tmp/dashboards
- name: RESOURCE
value: both
- name: NAMESPACE
value: ALL
- name: REQ_USERNAME
valueFrom:
secretKeyRef:
key: admin-user
name: grafana-admin
- name: REQ_PASSWORD
valueFrom:
secretKeyRef:
key: admin-password
name: grafana-admin
- name: REQ_URL
value: http://localhost:3000/api/admin/provisioning/dashboards/reload
- name: REQ_METHOD
value: POST
image: quay.io/kiwigrid/k8s-sidecar:2.6.0
imagePullPolicy: IfNotPresent
name: grafana-sc-dashboard
resources: {}
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- ALL
seccompProfile:
type: RuntimeDefault
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /tmp/dashboards
name: sc-dashboard-volume
- env:
- name: METHOD
value: WATCH
- name: LABEL
value: grafana_datasource
- name: LABEL_VALUE
value: '1'
- name: FOLDER
value: /etc/grafana/provisioning/datasources
- name: RESOURCE
value: both
- name: REQ_USERNAME
valueFrom:
secretKeyRef:
key: admin-user
name: grafana-admin
- name: REQ_PASSWORD
valueFrom:
secretKeyRef:
key: admin-password
name: grafana-admin
- name: REQ_URL
value: http://localhost:3000/api/admin/provisioning/datasources/reload
- name: REQ_METHOD
value: POST
image: quay.io/kiwigrid/k8s-sidecar:2.6.0
imagePullPolicy: IfNotPresent
name: grafana-sc-datasources
resources: {}
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- ALL
seccompProfile:
type: RuntimeDefault
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /etc/grafana/provisioning/datasources
name: sc-datasources-volume
- env:
- name: POD_IP
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: status.podIP
- name: GF_SECURITY_ADMIN_USER
valueFrom:
secretKeyRef:
key: admin-user
name: grafana-admin
- name: GF_SECURITY_ADMIN_PASSWORD
valueFrom:
secretKeyRef:
key: admin-password
name: grafana-admin
- name: GF_PATHS_DATA
value: /var/lib/grafana/
- name: GF_PATHS_LOGS
value: /var/log/grafana
- name: GF_PATHS_PLUGINS
value: /var/lib/grafana/plugins
- name: GF_PATHS_PROVISIONING
value: /etc/grafana/provisioning
- name: GF_UNIFIED_STORAGE_INDEX_PATH
value: /var/lib/grafana-search/bleve
- name: TELEGRAM_BOT_TOKEN
valueFrom:
secretKeyRef:
key: TELEGRAM_BOT_TOKEN
name: grafana-telegram-infisical
- name: TELEGRAM_CHAT_ID
valueFrom:
secretKeyRef:
key: TELEGRAM_CHAT_ID
name: grafana-telegram-infisical
image: docker.io/grafana/grafana:12.4.2
imagePullPolicy: IfNotPresent
livenessProbe:
failureThreshold: 10
httpGet:
path: /api/health
port: grafana
scheme: HTTP
initialDelaySeconds: 60
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 30
name: grafana
ports:
- containerPort: 3000
name: grafana
protocol: TCP
- containerPort: 9094
name: gossip-tcp
protocol: TCP
- containerPort: 9094
name: gossip-udp
protocol: UDP
- containerPort: 6060
name: profiling
protocol: TCP
readinessProbe:
failureThreshold: 3
httpGet:
path: /api/health
port: grafana
scheme: HTTP
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
resources: {}
securityContext:
allowPrivilegeEscalation: false
capabilities:
drop:
- ALL
privileged: false
seccompProfile:
type: RuntimeDefault
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /etc/grafana/grafana.ini
name: config
subPath: grafana.ini
- mountPath: /etc/grafana/provisioning/alerting
name: grafana-alerting
- mountPath: /var/lib/grafana
name: storage
- mountPath: /var/lib/grafana-search
name: search
- mountPath: /tmp/dashboards
name: sc-dashboard-volume
- mountPath: /etc/grafana/provisioning/dashboards/sc-dashboardproviders.yaml
name: sc-dashboard-provider
subPath: provider.yaml
- mountPath: /etc/grafana/provisioning/datasources
name: sc-datasources-volume
dnsPolicy: ClusterFirst
enableServiceLinks: true
initContainers:
- command:
- chown
- -R
- 472:472
- /var/lib/grafana
image: docker.io/library/busybox:1.37.0
imagePullPolicy: IfNotPresent
name: init-chown-data
resources: {}
securityContext:
capabilities:
add:
- CHOWN
drop:
- ALL
readOnlyRootFilesystem: false
runAsNonRoot: false
runAsUser: 0
seccompProfile:
type: RuntimeDefault
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /var/lib/grafana
name: storage
restartPolicy: Always
schedulerName: default-scheduler
securityContext:
fsGroup: 472
runAsGroup: 472
runAsNonRoot: true
runAsUser: 472
serviceAccount: kube-prometheus-stack-grafana
serviceAccountName: kube-prometheus-stack-grafana
shareProcessNamespace: false
terminationGracePeriodSeconds: 30
volumes:
- configMap:
defaultMode: 420
name: kube-prometheus-stack-grafana
name: config
- configMap:
defaultMode: 420
name: grafana-alerting
name: grafana-alerting
- name: storage
persistentVolumeClaim:
claimName: kube-prometheus-stack-grafana
- emptyDir: {}
name: search
- emptyDir: {}
name: sc-dashboard-volume
- configMap:
defaultMode: 420
name: kube-prometheus-stack-grafana-config-dashboards
name: sc-dashboard-provider
- emptyDir: {}
name: sc-datasources-volume
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