Separate CA configuration for pulls vs catalogd services (#1673)

Rename the flags that provide CAs to image pulling to indicate the use.
Keep the old flag around (for backward compatibility), but prefer the
new flag(s).

Signed-off-by: Todd Short <[email protected]>

Author: tmshort

catalogd/cmd/catalogd/main.go

@@ -98,7 +98,7 @@ func main() {
 		certFile             string
 		keyFile              string
 		webhookPort          int
-		caCertDir            string
+		pullCasDir           string
 		globalPullSecret     string
 	)
 	flag.StringVar(&metricsAddr, "metrics-bind-address", "", "The address for the metrics endpoint. Requires tls-cert and tls-key. (Default: ':7443')")
@@ -116,7 +116,7 @@ func main() {
 	flag.StringVar(&certFile, "tls-cert", "", "The certificate file used for serving catalog and metrics. Required to enable the metrics server. Requires tls-key.")
 	flag.StringVar(&keyFile, "tls-key", "", "The key file used for serving catalog contents and metrics. Required to enable the metrics server. Requires tls-cert.")
 	flag.IntVar(&webhookPort, "webhook-server-port", 9443, "The port that the mutating webhook server serves at.")
-	flag.StringVar(&caCertDir, "ca-certs-dir", "", "The directory of CA certificate to use for verifying HTTPS connections to image registries.")
+	flag.StringVar(&pullCasDir, "pull-cas-dir", "", "The directory of TLS certificate authoritiess to use for verifying HTTPS connections to image registries.")
 	flag.StringVar(&globalPullSecret, "global-pull-secret", "", "The <namespace>/<name> of the global pull secret that is going to be used to pull bundle images.")
 
 	klog.InitFlags(flag.CommandLine)
@@ -272,8 +272,8 @@ func main() {
 		BaseCachePath: unpackCacheBasePath,
 		SourceContextFunc: func(logger logr.Logger) (*types.SystemContext, error) {
 			srcContext := &types.SystemContext{
-				DockerCertPath: caCertDir,
-				OCICertPath:    caCertDir,
+				DockerCertPath: pullCasDir,
+				OCICertPath:    pullCasDir,
 			}
 			if _, err := os.Stat(authFilePath); err == nil && globalPullSecretKey != nil {
 				logger.Info("using available authentication information for pulling image")

catalogd/config/components/ca/patches/manager_deployment_cacerts.yaml

@@ -6,4 +6,4 @@
   value: {"name":"olmv1-certificate", "readOnly": true, "mountPath":"/var/ca-certs/"}
 - op: add
   path: /spec/template/spec/containers/0/args/-
-  value: "--ca-certs-dir=/var/ca-certs"
+  value: "--pull-cas-dir=/var/ca-certs"

cmd/operator-controller/main.go

@@ -102,12 +102,14 @@ func main() {
 		cachePath                 string
 		operatorControllerVersion bool
 		systemNamespace           string
-		caCertDir                 string
+		catalogdCasDir            string
+		pullCasDir                string
 		globalPullSecret          string
 	)
 	flag.StringVar(&metricsAddr, "metrics-bind-address", "", "The address for the metrics endpoint. Requires tls-cert and tls-key. (Default: ':8443')")
 	flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
-	flag.StringVar(&caCertDir, "ca-certs-dir", "", "The directory of TLS certificate to use for verifying HTTPS connections to the Catalogd and docker-registry web servers.")
+	flag.StringVar(&catalogdCasDir, "catalogd-cas-dir", "", "The directory of TLS certificate authorities to use for verifying HTTPS connections to the Catalogd web service.")
+	flag.StringVar(&pullCasDir, "pull-cas-dir", "", "The directory of TLS certificate authorities to use for verifying HTTPS connections to image registries.")
 	flag.StringVar(&certFile, "tls-cert", "", "The certificate file used for the metrics server. Required to enable the metrics server. Requires tls-key.")
 	flag.StringVar(&keyFile, "tls-key", "", "The key file used for the metrics server. Required to enable the metrics server. Requires tls-cert")
 	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
@@ -284,7 +286,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	certPoolWatcher, err := httputil.NewCertPoolWatcher(caCertDir, ctrl.Log.WithName("cert-pool"))
+	certPoolWatcher, err := httputil.NewCertPoolWatcher(catalogdCasDir, ctrl.Log.WithName("cert-pool"))
 	if err != nil {
 		setupLog.Error(err, "unable to create CA certificate pool")
 		os.Exit(1)
@@ -307,8 +309,8 @@ func main() {
 		BaseCachePath: filepath.Join(cachePath, "unpack"),
 		SourceContextFunc: func(logger logr.Logger) (*types.SystemContext, error) {
 			srcContext := &types.SystemContext{
-				DockerCertPath: caCertDir,
-				OCICertPath:    caCertDir,
+				DockerCertPath: pullCasDir,
+				OCICertPath:    pullCasDir,
 			}
 			if _, err := os.Stat(authFilePath); err == nil && globalPullSecretKey != nil {
 				logger.Info("using available authentication information for pulling image")

config/components/tls/patches/manager_deployment_cert.yaml

@@ -6,7 +6,10 @@
   value: {"name":"olmv1-certificate", "readOnly": true, "mountPath":"/var/certs/"}
 - op: add
   path: /spec/template/spec/containers/0/args/-
-  value: "--ca-certs-dir=/var/certs"
+  value: "--catalogd-cas-dir=/var/certs"
+- op: add
+  path: /spec/template/spec/containers/0/args/-
+  value: "--pull-cas-dir=/var/certs"
 - op: add
   path: /spec/template/spec/containers/0/args/-
   value: "--tls-cert=/var/certs/tls.cert"