Merge pull request #15 from pgoron/sysctl_no_error

Change sysctl-budy initContainer image

pkg/controllers/cluster/resource/resource.go

@@ -398,6 +398,10 @@ func StatefulSetForRack(r scyllav1.RackSpec, c *scyllav1.ScyllaCluster, sidecarI
 
 	sysctlContainer := sysctlInitContainer(c.Spec.Sysctls)
 	if sysctlContainer != nil {
+		// Override default busybox image for sysctl-buddy container by operator image.
+		// sysctl command provided by busybox doesn't respect return code of original sysctl.
+		// When passing -e to ignore unknown settings, busybox sysctl still returns 1 whereas original sysctl returns 0
+		sysctlContainer.Image = sidecarImage
 		sts.Spec.Template.Spec.InitContainers = append(sts.Spec.Template.Spec.InitContainers, *sysctlContainer)
 	}
 	for _, VolumeMount := range r.VolumeMounts {