Merge pull request #42 from crossplane-contrib/fix/issue-41-segfault-…

…external-secret-store

fix(issue#41):  add ESSOptions

cmd/provider/main.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	xpv1 "github.com/crossplane/crossplane-runtime/apis/common/v1"
+	"github.com/crossplane/crossplane-runtime/pkg/certificates"
 	xpcontroller "github.com/crossplane/crossplane-runtime/pkg/controller"
 	"github.com/crossplane/crossplane-runtime/pkg/logging"
 	"github.com/crossplane/crossplane-runtime/pkg/ratelimiter"
@@ -46,6 +47,7 @@ func main() {
 		maxReconcileRate           = app.Flag("max-reconcile-rate", "The global maximum rate per second at which resources may checked for drift from the desired state.").Default("10").Int()
 		namespace                  = app.Flag("namespace", "Namespace used to set as default scope in default secret store config.").Default("crossplane-system").Envar("POD_NAMESPACE").String()
 		enableExternalSecretStores = app.Flag("enable-external-secret-stores", "Enable support for ExternalSecretStores.").Default("false").Envar("ENABLE_EXTERNAL_SECRET_STORES").Bool()
+		essTLSCertsPath            = app.Flag("ess-tls-cert-dir", "Path of ESS TLS certificates.").Envar("ESS_TLS_CERTS_DIR").String()
 	)
 
 	kingpin.MustParse(app.Parse(os.Args[1:]))
@@ -94,6 +96,15 @@ func main() {
 		o.SecretStoreConfigGVK = &v1alpha1.StoreConfigGroupVersionKind
 		log.Info("Alpha feature enabled", "flag", features.EnableAlphaExternalSecretStores)
 
+		o.ESSOptions = &tjcontroller.ESSOptions{}
+		if *essTLSCertsPath != "" {
+			log.Info("ESS TLS certificates path is set. Loading mTLS configuration.")
+			tCfg, err := certificates.LoadMTLSConfig(filepath.Join(*essTLSCertsPath, "ca.crt"), filepath.Join(*essTLSCertsPath, "tls.crt"), filepath.Join(*essTLSCertsPath, "tls.key"), false)
+			kingpin.FatalIfError(err, "Cannot load ESS TLS config.")
+
+			o.ESSOptions.TLSConfig = tCfg
+		}
+
 		// Ensure default store config exists.
 		kingpin.FatalIfError(resource.Ignore(kerrors.IsAlreadyExists, mgr.GetClient().Create(context.Background(), &v1alpha1.StoreConfig{
 			ObjectMeta: metav1.ObjectMeta{