From e0ac42265f2ed827a73b529ef635078b3a97a5ea Mon Sep 17 00:00:00 2001
From: okozachenko1203 <okozachenko1203@users.noreply.github.com>
Date: Fri, 15 Dec 2023 05:02:14 +1100
Subject: [PATCH] add elements one by one in the json array

https://cluster-api.sigs.k8s.io/tasks/experimental-features/cluster-class/write-clusterclass#json-patches-tips--tricks
---
 magnum_cluster_api/resources.py | 54 ++++++++++++++++++++++-----------
 1 file changed, 37 insertions(+), 17 deletions(-)

diff --git a/magnum_cluster_api/resources.py b/magnum_cluster_api/resources.py
index 0b3c3566..d6fa106f 100644
--- a/magnum_cluster_api/resources.py
+++ b/magnum_cluster_api/resources.py
@@ -1610,27 +1610,47 @@ def get_object(self) -> objects.ClusterClass:
                                         },
                                         {
                                             "op": "add",
-                                            "path": "/spec/template/spec/kubeadmConfigSpec/files",
+                                            "path": "/spec/template/spec/kubeadmConfigSpec/files/-",
                                             "valueFrom": {
                                                 "template": textwrap.dedent(
                                                     """\
-                                                    - path: "/etc/containerd/config.toml"
-                                                      owner: "root:root"
-                                                      permissions: "0644"
-                                                      content: "{{ .containerdConfig }}"
-                                                      encoding: "base64"
-                                                    - path: "/etc/kubernetes/cloud.conf"
-                                                      owner: "root:root"
-                                                      permissions: "0600"
-                                                      content: "{{ .cloudControllerManagerConfig }}"
-                                                      encoding: "base64"
-                                                    - path: "/etc/kubernetes/cloud_ca.crt"
-                                                      owner: "root:root"
-                                                      permissions: "0600"
-                                                      content: "{{ .cloudCaCert }}"
-                                                      encoding: "base64"
+                                                    path: "/etc/containerd/config.toml"
+                                                    owner: "root:root"
+                                                    permissions: "0644"
+                                                    content: "{{ .containerdConfig }}"
+                                                    encoding: "base64"
                                                     """
-                                                ),
+                                                )
+                                            },
+                                        },
+                                        {
+                                            "op": "add",
+                                            "path": "/spec/template/spec/kubeadmConfigSpec/files/-",
+                                            "valueFrom": {
+                                                "template": textwrap.dedent(
+                                                    """\
+                                                    path: "/etc/kubernetes/cloud.conf"
+                                                    owner: "root:root"
+                                                    permissions: "0600"
+                                                    content: "{{ .cloudControllerManagerConfig }}"
+                                                    encoding: "base64"
+                                                    """
+                                                )
+                                            },
+                                        },
+                                        {
+                                            "op": "add",
+                                            "path": "/spec/template/spec/kubeadmConfigSpec/files/-",
+                                            "valueFrom": {
+                                                "template": textwrap.dedent(
+                                                    """\
+                                                    path: "/etc/kubernetes/cloud_ca.crt"
+                                                    owner: "root:root"
+                                                    permissions: "0600"
+                                                    content: "{{ .cloudCaCert }}"
+                                                    encoding: "base64"
+                                                    """
+                                                )
                                             },
                                         },
                                     ],