User can now configured allowed ciphers, to restrict the ciphers used by the Default profile

deploy/supervisor/helpers.lib.yaml

@@ -53,6 +53,11 @@ _: #@ template.replace(data.values.custom_labels)
 #@       "apiService": defaultResourceNameWithSuffix("api"),
 #@     },
 #@     "labels": labels(),
+#@     "tls": {
+#@       "onedottwo": {
+#@         "allowedCiphers": data.values.allowed_ciphers_for_tls_onedottwo
+#@       }
+#@     }
 #@   }
 #@   if data.values.log_level:
 #@     config["log"] = {}

deploy/supervisor/values.yaml

@@ -203,3 +203,16 @@ no_proxy: "$(KUBERNETES_SERVICE_HOST),169.254.169.254,127.0.0.1,localhost,.svc,.
 #@schema/nullable
 #@schema/validation ("a map with keys 'http' and 'https', whose values are either the string 'disabled' or a map having keys 'network' and 'address', and the value of 'network' must be one of the allowed values", validate_endpoints)
 endpoints: { }
+
+#@schema/title "Allowed Ciphers for TLS 1.2"
+#@ allowed_ciphers_for_tls_onedottwo_desc = "When specified, only the ciphers listed will be used for TLS 1.2. \
+#@ This includes both server-side and client-side TLS connections. \
+#@ Specify only secure cipher names from golang's crypto/tls package. \
+#@ This list must only include cipher suites that Pinniped is configured to accept (see the internal/crypto/ptls package). \
+#@ An empty array means accept Pinniped's defaults."
+#@schema/desc allowed_ciphers_for_tls_onedottwo_desc
+#@schema/examples ("Example with a few secure ciphers", ["TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"])
+#! No type, default, or validation is required here.
+#! An empty array is perfectly valid, as is any array of strings.
+allowed_ciphers_for_tls_onedottwo:
+- ""