fix: helm param gcr service account auth

deploy/helm/README.md

@@ -205,6 +205,7 @@ Keeps security report resources updated
 | trivyOperator.scanJobTolerations | list | `[]` | scanJobTolerations tolerations to be applied to the scanner pods so that they can run on nodes with matching taints |
 | trivyOperator.skipInitContainers | bool | `false` | skipInitContainers when this flag is set to true, the initContainers will be skipped for the scanner and node collector pods |
 | trivyOperator.skipResourceByLabels | string | `""` | skipResourceByLabels comma-separated labels keys which trivy-operator will skip scanning on resources with matching labels |
+| trivyOperator.useGCRServiceAccount | bool | `true` | useGCRServiceAccount the flag to enable the usage of GCR service account for scanning images in GCR |
 | trivyOperator.vulnerabilityReportsPlugin | string | `"Trivy"` | vulnerabilityReportsPlugin the name of the plugin that generates vulnerability reports `Trivy` |
 | volumeMounts[0].mountPath | string | `"/tmp"` |  |
 | volumeMounts[0].name | string | `"cache-policies"` |  |

deploy/helm/templates/configmaps/operator.yaml

@@ -33,6 +33,7 @@ data:
   {{- with .Values.trivyOperator.scanJobAutomountServiceAccountToken }}
   scanJob.automountServiceAccountToken: {{ . | quote }}
   {{- end }}
+  scanJob.useGCRServiceAccount: {{ .Values.trivyOperator.useGCRServiceAccount | quote }}
   {{- with .Values.trivyOperator.skipInitContainers }}
   scanJob.skipInitContainers: {{ . | quote }}
   {{- end }}

deploy/helm/values.yaml

@@ -267,7 +267,8 @@ trivyOperator:
   #    hostPath:
   #    path: /var/lib/etcd
 
-
+  # -- useGCRServiceAccount the flag to enable the usage of GCR service account for scanning images in GCR
+  useGCRServiceAccount: true
   # -- scanJobAutomountServiceAccountToken the flag to enable automount for service account token on scan job
   scanJobAutomountServiceAccountToken: false
 

deploy/static/trivy-operator.yaml

@@ -2936,6 +2936,7 @@ metadata:
 data:
   nodeCollector.volumes: "[{\"hostPath\":{\"path\":\"/var/lib/etcd\"},\"name\":\"var-lib-etcd\"},{\"hostPath\":{\"path\":\"/var/lib/kubelet\"},\"name\":\"var-lib-kubelet\"},{\"hostPath\":{\"path\":\"/var/lib/kube-scheduler\"},\"name\":\"var-lib-kube-scheduler\"},{\"hostPath\":{\"path\":\"/var/lib/kube-controller-manager\"},\"name\":\"var-lib-kube-controller-manager\"},{\"hostPath\":{\"path\":\"/etc/systemd\"},\"name\":\"etc-systemd\"},{\"hostPath\":{\"path\":\"/lib/systemd\"},\"name\":\"lib-systemd\"},{\"hostPath\":{\"path\":\"/etc/kubernetes\"},\"name\":\"etc-kubernetes\"},{\"hostPath\":{\"path\":\"/etc/cni/net.d/\"},\"name\":\"etc-cni-netd\"}]"
   nodeCollector.volumeMounts: "[{\"mountPath\":\"/var/lib/etcd\",\"name\":\"var-lib-etcd\",\"readOnly\":true},{\"mountPath\":\"/var/lib/kubelet\",\"name\":\"var-lib-kubelet\",\"readOnly\":true},{\"mountPath\":\"/var/lib/kube-scheduler\",\"name\":\"var-lib-kube-scheduler\",\"readOnly\":true},{\"mountPath\":\"/var/lib/kube-controller-manager\",\"name\":\"var-lib-kube-controller-manager\",\"readOnly\":true},{\"mountPath\":\"/etc/systemd\",\"name\":\"etc-systemd\",\"readOnly\":true},{\"mountPath\":\"/lib/systemd/\",\"name\":\"lib-systemd\",\"readOnly\":true},{\"mountPath\":\"/etc/kubernetes\",\"name\":\"etc-kubernetes\",\"readOnly\":true},{\"mountPath\":\"/etc/cni/net.d/\",\"name\":\"etc-cni-netd\",\"readOnly\":true}]"
+  scanJob.useGCRServiceAccount: "true"
   scanJob.podTemplateContainerSecurityContext: "{\"allowPrivilegeEscalation\":false,\"capabilities\":{\"drop\":[\"ALL\"]},\"privileged\":false,\"readOnlyRootFilesystem\":true}"
   scanJob.compressLogs: "true"
   vulnerabilityReports.scanner: "Trivy"

pkg/plugins/trivy/image.go

@@ -205,12 +205,12 @@ func GetPodSpecForStandaloneMode(ctx trivyoperator.PluginContext,
 				Value: "true",
 			})
 		}
-		gcrImage := CheckGcpCrOrPrivateRegistry(c.Image)
 		if _, ok := containersCredentials[c.Name]; ok && secret != nil {
 			registryUsernameKey := fmt.Sprintf("%s.username", c.Name)
 			registryPasswordKey := fmt.Sprintf("%s.password", c.Name)
 			secretName := secret.Name
-			if gcrImage {
+			if CheckGcpCrOrPrivateRegistry(c.Image) &&
+				trivyoperator.GetDefaultConfig().GetScanJobUseGCRServiceAccount() {
 				createEnvandVolumeForGcr(&env, &volumeMounts, &volumes, &registryPasswordKey, &secretName)
 			} else {
 				env = append(env, corev1.EnvVar{

pkg/trivyoperator/config.go

@@ -68,6 +68,7 @@ const (
 	KeyNodeCollectorVolumeMounts         = "nodeCollector.volumeMounts"
 	KeyScanJobCustomVolumesMount         = "scanJob.customVolumesMount"
 	KeyScanJobCustomVolumes              = "scanJob.customVolumes"
+	KeyScanJobUseGCRServiceAccount       = "scanJob.UseGCRServiceAccount"
 
 	keyScanJobNodeSelector = "scanJob.nodeSelector"
 	keyScanJobAnnotations  = "scanJob.annotations"
@@ -319,6 +320,14 @@ func (c ConfigData) GetScanJobAutomountServiceAccountToken() bool {
 	return c.getBoolKey(keyscanJobAutomountServiceAccountToken)
 }
 
+func (c ConfigData) GetScanJobUseGCRServiceAccount() bool {
+	val, ok := c[KeyScanJobUseGCRServiceAccount]
+	if !ok {
+		return true
+	}
+	return val == "true"
+}
+
 func (c ConfigData) GetSkipInitContainers() bool {
 	return c.getBoolKey(keySkipInitContainers)
 }