Erich Blume
0510a8151c
Six critical IaC findings against argocd/manifests/ broke into two
patterns: legitimate-by-design RBAC (mute) and over-broad RBAC (fix).
Plumbing:
- cronjob-iac-scan.yaml now passes --mutelist-file (previously
unused, which is why all IaC findings reported as unmuted)
- new mutelist/iac.yaml is bundled into the prowler-mutelist
ConfigMap and mounted into the IaC cronjob via items: selector
Compensating controls (in compensating-controls.yaml):
- operator-purpose-bound-rbac — external-secrets-operator's whole
function is to manage Secret objects; ClusterRole over secrets
matches its purpose. cert-controller mutates its own validating
webhooks to inject a rotating CA bundle.
- kube-state-metrics-metadata-only — KSM exposes only Secret
metadata via kube_secret_info / kube_secret_labels; the data
field is never read into exposed metrics.
Mutes (mutelist/iac.yaml):
- KSV-0041 for external-secrets/rbac.yaml,
kube-state-metrics/rbac.yaml,
kube-state-metrics-ringtail/rbac.yaml
- KSV-0114 for external-secrets/rbac.yaml
Real fix:
- grafana-clusterrole no longer reads secrets. The dashboard sidecar
(RESOURCE=both → configmap, both init and watch instances) only
needs ConfigMap-labeled dashboards; no Secrets are labeled
grafana_dashboard.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
48 lines
1.5 KiB
YAML
48 lines
1.5 KiB
YAML
---
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apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: prowler-iac-scan
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namespace: prowler
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spec:
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schedule: "0 2 * * 6" # Saturday 2am
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concurrencyPolicy: Forbid
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jobTemplate:
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spec:
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ttlSecondsAfterFinished: 604800 # Auto-delete after 7 days
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template:
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spec:
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securityContext:
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seccompProfile:
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type: RuntimeDefault
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containers:
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- name: prowler
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image: registry.ops.eblu.me/blumeops/prowler:kustomized
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command: ["/bin/sh", "-c"]
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args:
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- |
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DATEDIR=/reports/prowler-iac/$(date +%Y-%m-%d)
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mkdir -p "$DATEDIR"
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prowler iac \
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--scan-repository-url https://forge.ops.eblu.me/eblume/blumeops.git \
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--mutelist-file /mutelist/iac.yaml \
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-z \
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--output-formats html csv json-ocsf \
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--output-directory "$DATEDIR"
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volumeMounts:
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- name: reports
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mountPath: /reports
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- name: mutelist
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mountPath: /mutelist
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readOnly: true
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restartPolicy: OnFailure
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volumes:
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- name: reports
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persistentVolumeClaim:
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claimName: prowler-reports
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- name: mutelist
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configMap:
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name: prowler-mutelist
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items:
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- key: iac.yaml
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path: iac.yaml
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