Add initContainers to PodSpec

docs/types/base_types.md

@@ -36,6 +36,7 @@
 | volumes | []corev1.Volume | No | - |  |
 | priorityClassName | string | No | - |  |
 | containers | []ContainerBase | No | - |  |
+| initContainers | []ContainerBase | No | - |  |
 | imagePullSecrets | []corev1.LocalObjectReference | No | - |  |
 ### DeploymentBase
 | Variable Name | Type | Required | Default | Description |

pkg/types/base_types.go

@@ -207,6 +207,7 @@ type PodSpecBase struct {
 	Volumes            []corev1.Volume               `json:"volumes,omitempty" patchStrategy:"merge" patchMergeKey:"name"`
 	PriorityClassName  string                        `json:"priorityClassName,omitempty"`
 	Containers         []ContainerBase               `json:"containers,omitempty" patchStrategy:"merge" patchMergeKey:"name"`
+	InitContainers     []ContainerBase               `json:"initContainers,omitempty" patchStrategy:"merge" patchMergeKey:"name"`
 	ImagePullSecrets   []corev1.LocalObjectReference `json:"imagePullSecrets,omitempty"`
 }
 
@@ -245,6 +246,16 @@ func (base *PodSpecBase) Override(spec corev1.PodSpec) corev1.PodSpec {
 			}
 		}
 	}
+	if len(base.InitContainers) > 0 {
+		for _, baseContainer := range base.InitContainers {
+			for o, originalContainer := range spec.InitContainers {
+				if baseContainer.Name == originalContainer.Name {
+					spec.InitContainers[o] = baseContainer.Override(originalContainer)
+					break
+				}
+			}
+		}
+	}
 	return spec
 }
 

pkg/types/base_types_test.go

@@ -635,6 +635,45 @@ func TestPodSpecOverride(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "initcontainers merged properly",
+			base: &types.PodSpecBase{
+				InitContainers: []types.ContainerBase{
+					{
+						Name:  "override",
+						Image: "override-image",
+					},
+					{
+						Name:  "new", // this one does not exist in the original
+						Image: "new-image",
+					},
+				},
+			},
+			spec: v12.PodSpec{
+				InitContainers: []v12.Container{
+					{
+						Name: "override", // this one will be overridden
+						Image: "original",
+					},
+					{
+						Name:  "old", // this one will be unmodified
+						Image: "old-image",
+					},
+				},
+			},
+			want: v12.PodSpec{
+				InitContainers: []v12.Container{
+					{
+						Name: "override",
+						Image: "override-image",
+					},
+					{
+						Name:  "old",
+						Image: "old-image",
+					},
+				},
+			},
+		},
 	}
 	for _, tt := range tests {
 		tt := tt