Added validation to ensure at least one secret is provided to TUF

Signed-off-by: Carlos Vega <[email protected]>
sigstore · Sep 29, 2024 · 46a4a82 · 46a4a82
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commit 46a4a82
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Showing 8 changed files with 51 additions and 64 deletions.
diff --git a/charts/tuf/templates/_helpers.tpl b/charts/tuf/templates/_helpers.tpl
@@ -87,21 +87,49 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- end -}}
 
 {{/*
-Check number of TUF secrets
+Check number of TUF secrets and render them as structured YAML.
 */}}
-{{- define "tuf.enabledSecretsCount" -}}
-{{- $count := 0 -}}
-{{- if (eq .Values.secrets.rekor.enabled true) -}}
-  {{- $count = add $count 1 -}}
-{{- end -}}
-{{- if (eq .Values.secrets.fulcio.enabled true) -}}
-  {{- $count = add $count 1 -}}
-{{- end -}}
-{{- if (eq .Values.secrets.ctlog.enabled true) -}}
-  {{- $count = add $count 1 -}}
-{{- end -}}
-{{- if (eq .Values.secrets.tsa.enabled true) -}}
-  {{- $count = add $count 1 -}}
-{{- end -}}
-{{- $count -}}
-{{- end -}}
+{{- define "tuf.validateSecrets" }}
+{{- if not (or .Values.secrets.rekor.enabled .Values.secrets.rekor.create 
+             .Values.secrets.fulcio.enabled .Values.secrets.fulcio.create 
+             .Values.secrets.ctlog.enabled .Values.secrets.ctlog.create 
+             .Values.secrets.tsa.enabled .Values.secrets.tsa.create) -}}
+  {{- fail "At least one secret must be provided (enabled or created)." -}}
+{{- else }}
+    {{- include "tuf.secretsList" . | nindent 8 }}
+{{- end }}
+{{- end }}
+
+{{/*
+Render TUF Secrets as structured YAML for the volume sources.
+*/}}
+{{- define "tuf.secretsList" -}}
+  {{- if or (.Values.secrets.ctlog.enabled) (.Values.secrets.ctlog.create) }}
+  - secret:
+      name: {{ .Values.secrets.ctlog.name }}
+      items:
+      - key: {{ .Values.secrets.ctlog.key }}
+        path: {{ .Values.secrets.ctlog.path }}
+  {{- end }}
+  {{- if or (.Values.secrets.fulcio.enabled) (.Values.secrets.fulcio.create) }}
+  - secret:
+      name: {{ .Values.secrets.fulcio.name }}
+      items:
+      - key: {{ .Values.secrets.fulcio.key }}
+        path: {{ .Values.secrets.fulcio.path }}
+  {{- end }}
+  {{- if or (.Values.secrets.rekor.enabled) (.Values.secrets.rekor.create) }}
+  - secret:
+      name: {{ .Values.secrets.rekor.name }}
+      items:
+      - key: {{ .Values.secrets.rekor.key }}
+        path: {{ .Values.secrets.rekor.path }}
+  {{- end }}
+  {{- if or (.Values.secrets.tsa.enabled) (.Values.secrets.tsa.create) }}
+  - secret:
+      name: {{ .Values.secrets.tsa.name }}
+      items:
+      - key: {{ .Values.secrets.tsa.key }}
+        path: {{ .Values.secrets.tsa.path }}
+  {{- end }}
+{{- end }}
diff --git a/charts/tuf/templates/deployment.yaml b/charts/tuf/templates/deployment.yaml
@@ -1,4 +1,3 @@
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -49,36 +48,8 @@ spec:
       - name: tuf-secrets
         projected:
           sources:
-          {{- if or (.Values.secrets.ctlog.enabled) (.Values.secrets.ctlog.create) }}
-          - secret:
-              name: {{ .Values.secrets.ctlog.name }}
-              items:
-              - key: {{ .Values.secrets.ctlog.key }}
-                path: {{ .Values.secrets.ctlog.path }}
-          {{- end }}
-          {{- if or (.Values.secrets.fulcio.enabled) (.Values.secrets.fulcio.create) }}
-          - secret:
-              name: {{ .Values.secrets.fulcio.name }}
-              items:
-              - key: {{ .Values.secrets.fulcio.key }}
-                path: {{ .Values.secrets.fulcio.path }}
-          {{- end }}
-          {{- if or (.Values.secrets.rekor.enabled) (.Values.secrets.rekor.create) }}
-          - secret:
-              name: {{ .Values.secrets.rekor.name }}
-              items:
-              - key: {{ .Values.secrets.rekor.key }}
-                path: {{ .Values.secrets.rekor.path }}
-          {{- end }}
-          {{- if or (.Values.secrets.tsa.enabled) (.Values.secrets.tsa.create) }}
-          - secret:
-              name: {{ .Values.secrets.tsa.name }}
-              items:
-              - key: {{ .Values.secrets.tsa.key }}
-                path: {{ .Values.secrets.tsa.path }}
-          {{- end }}
+          {{- include "tuf.validateSecrets" . }}
     {{- if .Values.imagePullSecrets }}
       imagePullSecrets:
 {{ toYaml .Values.imagePullSecrets | indent 8 }}
-    {{- end }}
-{{- end }}
+    {{- end }}
diff --git a/charts/tuf/templates/ingress.yaml b/charts/tuf/templates/ingress.yaml
@@ -1,5 +1,4 @@
 {{- if .Values.ingress.create }}
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
@@ -34,5 +33,4 @@ spec:
       secretName: {{ .secretName }}
     {{- end }}
 {{- end -}}
-{{- end -}}
 {{- end -}}
diff --git a/charts/tuf/templates/namespace.yaml b/charts/tuf/templates/namespace.yaml
@@ -1,8 +1,6 @@
 {{- if .Values.namespace.create }}
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: v1
 kind: Namespace
 metadata:
   name: {{ .Values.namespace.name }}
-{{- end }}
 {{- end }}
diff --git a/charts/tuf/templates/role.yaml b/charts/tuf/templates/role.yaml
@@ -1,4 +1,3 @@
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: Role
 metadata:
@@ -7,5 +6,4 @@ metadata:
 rules:
   - apiGroups: [""]
     resources: ["secrets"]
-    verbs: ["create", "get", "update"]
-{{- end }}
+    verbs: ["create", "get", "update"]
diff --git a/charts/tuf/templates/rolebinding.yaml b/charts/tuf/templates/rolebinding.yaml
@@ -1,4 +1,3 @@
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding
 metadata:
@@ -10,5 +9,4 @@ roleRef:
   name: {{ .Values.roleName }}
 subjects:
   - kind: ServiceAccount
-    name: {{ .Values.serviceAccountName }}
-{{- end }}
+    name: {{ .Values.serviceAccountName }}
diff --git a/charts/tuf/templates/service.yaml b/charts/tuf/templates/service.yaml
@@ -1,4 +1,3 @@
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: v1
 kind: Service
 metadata:
@@ -12,5 +11,4 @@ spec:
     targetPort: {{ .Values.deployment.port }}
   selector:
     {{- include "tuf.matchLabels" . | nindent 4 }}
-  type: ClusterIP
-{{- end }}
+  type: ClusterIP
diff --git a/charts/tuf/templates/serviceaccount.yaml b/charts/tuf/templates/serviceaccount.yaml
@@ -1,7 +1,5 @@
-{{- if ne (include "tuf.enabledSecretsCount" .) "0" }}
 apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: {{ .Values.serviceAccountName }}
-{{ include "tuf.namespace" . | indent 2 }}
-{{- end }}
+{{ include "tuf.namespace" . | indent 2 }}