Allow specifying init_containers in Postgres CRD (#445)

* Add support for init_containers

pkg/apis/acid.zalan.do/v1/postgresql_type.go

@@ -51,6 +51,7 @@ type PostgresSpec struct {
 	Databases            map[string]string    `json:"databases,omitempty"`
 	Tolerations          []v1.Toleration      `json:"tolerations,omitempty"`
 	Sidecars             []Sidecar            `json:"sidecars,omitempty"`
+	InitContainers       []v1.Container       `json:"init_containers,omitempty"`
 	PodPriorityClassName string               `json:"pod_priority_class_name,omitempty"`
 	ShmVolume            *bool                `json:"enableShmVolume,omitempty"`
 }

pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go

@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2018 Compose, Zalando SE
+Copyright 2019 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -442,6 +442,18 @@ func (in *PostgresSpec) DeepCopyInto(out *PostgresSpec) {
 			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
 	}
+	if in.InitContainers != nil {
+		in, out := &in.InitContainers, &out.InitContainers
+		*out = make([]corev1.Container, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	if in.ShmVolume != nil {
+		in, out := &in.ShmVolume, &out.ShmVolume
+		*out = new(bool)
+		**out = **in
+	}
 	return
 }