Function addConfigVolumeAndMounts

internal/pgbackrest/reconcile.go:265–296

addConfigVolumeAndMounts adds the config projections to pod as the configuration volume. It mounts that volume to the database container and all pgBackRest containers in pod.

(
	pod *corev1.PodSpec, config []corev1.VolumeProjection,
)

// configuration volume. It mounts that volume to the database container and
// all pgBackRest containers in pod.
func addConfigVolumeAndMounts(
	pod *corev1.PodSpec, config []corev1.VolumeProjection,
) {
	configVolumeMount := corev1.VolumeMount{
		Name:      "pgbackrest-config",
		MountPath: configDirectory,
		ReadOnly:  true,
	}

	configVolume := corev1.Volume{
		Name: configVolumeMount.Name,
		VolumeSource: corev1.VolumeSource{
			Projected: &corev1.ProjectedVolumeSource{Sources: config},
		},
	}

	for i := range pod.Containers {
		container := &pod.Containers[i]

		switch container.Name {
		case
			naming.ContainerDatabase,
			naming.ContainerPGBackRestConfig,
			naming.PGBackRestRepoContainerName,
			naming.PGBackRestRestoreContainerName:

			container.VolumeMounts = append(container.VolumeMounts, configVolumeMount)
		}
	}

	pod.Volumes = append(pod.Volumes, configVolume)
}

// addServerContainerAndVolume adds the TLS server container and certificate
// projections to pod. Any PostgreSQL data and WAL volumes in pod are also mounted.