From c4ba2273d388d68c1881777fc34ad44db8508105 Mon Sep 17 00:00:00 2001
From: Alberto Morgante Medina <alberto.morgante@suse.com>
Date: Fri, 5 Jul 2024 07:33:23 +0200
Subject: [PATCH] Fix issue with registries required fields

Signed-off-by: Alberto Morgante Medina <alberto.morgante@suse.com>
---
 pkg/rke2/registries.go       | 37 +++++++++++++++++++++---------------
 pkg/rke2/registries_types.go |  8 ++++----
 2 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/pkg/rke2/registries.go b/pkg/rke2/registries.go
index 6b949742..fef023d0 100644
--- a/pkg/rke2/registries.go
+++ b/pkg/rke2/registries.go
@@ -29,6 +29,9 @@ const (
 	DefaultRKE2RegistriesLocation string = "/etc/rancher/rke2/registries.yaml"
 
 	registryCertsPath string = "/etc/rancher/rke2/tls"
+	cacert            string = "ca.crt"
+	tlskey            string = "tls.key"
+	tlscert           string = "tls.crt"
 )
 
 // GenerateRegistries generates the registries.yaml file and the corresponding
@@ -69,24 +72,28 @@ func GenerateRegistries(rke2ConfigRegistry RegistryScope) (*Registry, []bootstra
 				return &Registry{}, []bootstrapv1.File{}, err
 			}
 
-			for _, secretEntry := range []string{"tls.crt", "tls.key", "ca.crt"} {
-				if tlsSecret.Data[secretEntry] == nil {
-					rke2ConfigRegistry.Logger.Error(err, "TLS Secret for the registry is missing entries!", "secret-missing-entry", secretEntry)
-
-					return &Registry{}, []bootstrapv1.File{}, err
+			registryConfig.TLS = &TLSConfig{}
+
+			for _, secretEntry := range []string{tlscert, tlskey, cacert} {
+				if tlsSecret.Data[secretEntry] != nil {
+					files = append(files, bootstrapv1.File{
+						Path:    registryCertsPath + "/" + secretEntry,
+						Content: string(tlsSecret.Data[secretEntry]),
+					})
+
+					switch secretEntry {
+					case tlscert:
+						registryConfig.TLS.CertFile = registryCertsPath + "/" + tlscert
+					case tlskey:
+						registryConfig.TLS.KeyFile = registryCertsPath + "/" + tlskey
+					case cacert:
+						registryConfig.TLS.CAFile = registryCertsPath + "/" + cacert
+					}
 				}
-
-				files = append(files, bootstrapv1.File{
-					Path:    registryCertsPath + "/" + secretEntry,
-					Content: string(tlsSecret.Data[secretEntry]),
-				})
 			}
 
-			registryConfig.TLS = &TLSConfig{
-				InsecureSkipVerify: regConfig.TLS.InsecureSkipVerify,
-				CAFile:             registryCertsPath + "/" + "ca.crt",
-				CertFile:           registryCertsPath + "/" + "tls.crt",
-				KeyFile:            registryCertsPath + "/" + "tls.key",
+			if regConfig.TLS.InsecureSkipVerify {
+				registryConfig.TLS.InsecureSkipVerify = regConfig.TLS.InsecureSkipVerify
 			}
 		}
 
diff --git a/pkg/rke2/registries_types.go b/pkg/rke2/registries_types.go
index 16a24227..f0e72707 100644
--- a/pkg/rke2/registries_types.go
+++ b/pkg/rke2/registries_types.go
@@ -54,10 +54,10 @@ type AuthConfig struct {
 
 // TLSConfig contains the CA/Cert/Key used for a registry.
 type TLSConfig struct {
-	CAFile             string `json:"ca_file"              toml:"ca_file"              yaml:"ca_file"`
-	CertFile           string `json:"cert_file"            toml:"cert_file"            yaml:"cert_file"`
-	KeyFile            string `json:"key_file"             toml:"key_file"             yaml:"key_file"`
-	InsecureSkipVerify bool   `json:"insecure_skip_verify" toml:"insecure_skip_verify" yaml:"insecure_skip_verify"`
+	CAFile             string `json:"ca_file,omitempty"              toml:"ca_file"              yaml:"ca_file,omitempty"`
+	CertFile           string `json:"cert_file,omitempty"            toml:"cert_file"            yaml:"cert_file,omitempty"`
+	KeyFile            string `json:"key_file,omitempty"             toml:"key_file"             yaml:"key_file,omitempty"`
+	InsecureSkipVerify bool   `json:"insecure_skip_verify,omitempty" toml:"insecure_skip_verify" yaml:"insecure_skip_verify,omitempty"`
 }
 
 // Registry is registry settings including mirrors, TLS, and credentials.