chore: review

Signed-off-by: Armando Ruocco <armando.ruocco@enterprisedb.com>

internal/cnpgi/operator/lifecycle.go

@@ -377,7 +377,7 @@ func reconcilePodSpec(
 				MountPath: metadata.BarmanCertificatesPath,
 			})
 
-		spec.Volumes = volumeListEnsureVolume(spec.Volumes, corev1.Volume{
+		spec.Volumes = ensureVolume(spec.Volumes, corev1.Volume{
 			Name: barmanCertificatesVolumeName,
 			VolumeSource: corev1.VolumeSource{
 				Projected: &corev1.ProjectedVolumeSource{
@@ -386,7 +386,8 @@ func reconcilePodSpec(
 			},
 		})
 	} else {
-		spec.Volumes = volumeListRemoveVolume(spec.Volumes, barmanCertificatesVolumeName)
+		sidecarTemplate.VolumeMounts = removeVolumeMount(sidecarTemplate.VolumeMounts, barmanCertificatesVolumeName)
+		spec.Volumes = removeVolume(spec.Volumes, barmanCertificatesVolumeName)
 	}
 
 	if err := injectPluginSidecarPodSpec(spec, &sidecarTemplate, mainContainerName); err != nil {
@@ -472,9 +473,9 @@ func injectPluginSidecarPodSpec(
 	return nil
 }
 
-// volumeListEnsureVolume makes sure the passed volume is present in the list of volumes.
+// ensureVolume makes sure the passed volume is present in the list of volumes.
 // If the volume is already present, it is updated.
-func volumeListEnsureVolume(volumes []corev1.Volume, volume corev1.Volume) []corev1.Volume {
+func ensureVolume(volumes []corev1.Volume, volume corev1.Volume) []corev1.Volume {
 	volumeFound := false
 	for i := range volumes {
 		if volumes[i].Name == volume.Name {
@@ -490,16 +491,25 @@ func volumeListEnsureVolume(volumes []corev1.Volume, volume corev1.Volume) []cor
 	return volumes
 }
 
-// volumeListRemoveVolume removes a volume with a known name from a list of volumes.
+// removeVolume removes a volume with a known name from a list of volumes.
-func volumeListRemoveVolume(volumes []corev1.Volume, name string) []corev1.Volume {
+func removeVolume(volumes []corev1.Volume, name string) []corev1.Volume {
-	j := 0
+	var filteredVolumes []corev1.Volume
 	for _, volume := range volumes {
 		if volume.Name != name {
-			volumes[j] = volume
+			filteredVolumes = append(filteredVolumes, volume)
-			j++
 		}
 	}
-	return volumes[:j]
+	return filteredVolumes
+}
+
+func removeVolumeMount(mounts []corev1.VolumeMount, name string) []corev1.VolumeMount {
+	var filteredMounts []corev1.VolumeMount
+	for _, mount := range mounts {
+		if mount.Name != name {
+			filteredMounts = append(filteredMounts, mount)
+		}
+	}
+	return filteredMounts
 }
 
 // getCNPGJobRole gets the role associated to a CNPG job

internal/cnpgi/operator/lifecycle_test.go

@@ -211,11 +211,11 @@ var _ = Describe("LifecycleImplementation", func() {
 })
 
 var _ = Describe("Volume utilities", func() {
-	Describe("volumeListEnsureVolume", func() {
+	Describe("ensureVolume", func() {
 		It("adds a new volume if not present", func() {
 			volumes := []corev1.Volume{{Name: "vol1"}}
 			newVol := corev1.Volume{Name: "vol2"}
-			result := volumeListEnsureVolume(volumes, newVol)
+			result := ensureVolume(volumes, newVol)
 			Expect(result).To(HaveLen(2))
 			Expect(result[1]).To(Equal(newVol))
 		})
@@ -223,20 +223,20 @@ var _ = Describe("Volume utilities", func() {
 		It("updates an existing volume", func() {
 			volumes := []corev1.Volume{{Name: "vol1"}}
 			updatedVol := corev1.Volume{Name: "vol1", VolumeSource: corev1.VolumeSource{EmptyDir: &corev1.EmptyDirVolumeSource{}}}
-			result := volumeListEnsureVolume(volumes, updatedVol)
+			result := ensureVolume(volumes, updatedVol)
 			Expect(result).To(HaveLen(1))
 			Expect(result[0]).To(Equal(updatedVol))
 		})
 	})
 
-	Describe("volumeListRemoveVolume", func() {
+	Describe("removeVolume", func() {
 		It("removes the specified volume", func() {
 			volumes := []corev1.Volume{
 				{Name: "vol1"},
 				{Name: "vol2"},
 				{Name: "vol3"},
 			}
-			result := volumeListRemoveVolume(volumes, "vol2")
+			result := removeVolume(volumes, "vol2")
 			Expect(result).To(HaveLen(2))
 			for _, v := range result {
 				Expect(v.Name).NotTo(Equal("vol2"))
@@ -245,8 +245,37 @@ var _ = Describe("Volume utilities", func() {
 
 		It("returns the same list if the volume is not present", func() {
 			volumes := []corev1.Volume{{Name: "vol1"}, {Name: "vol2"}}
-			result := volumeListRemoveVolume(volumes, "vol3")
+			result := removeVolume(volumes, "vol3")
 			Expect(result).To(Equal(volumes))
 		})
 	})
 })
+
+var _ = Describe("removeVolumeMount", func() {
+	It("removes the specified volume mount", func() {
+		mounts := []corev1.VolumeMount{
+			{Name: "mount1"},
+			{Name: "mount2"},
+			{Name: "mount3"},
+		}
+		result := removeVolumeMount(mounts, "mount2")
+		Expect(result).To(HaveLen(2))
+		for _, m := range result {
+			Expect(m.Name).NotTo(Equal("mount2"))
+		}
+	})
+
+	It("returns the same list if the volume mount is not present", func() {
+		mounts := []corev1.VolumeMount{{Name: "mount1"}, {Name: "mount2"}}
+		result := removeVolumeMount(mounts, "mount3")
+		Expect(result).To(HaveLen(2))
+		Expect(result[0].Name).To(Equal("mount1"))
+		Expect(result[1].Name).To(Equal("mount2"))
+	})
+
+	It("handles empty input slice", func() {
+		var mounts []corev1.VolumeMount
+		result := removeVolumeMount(mounts, "mount1")
+		Expect(result).To(BeEmpty())
+	})
+})