feat: add annotations to node (#2594)

Signed-off-by: joyceliu <joyceliu@yunify.com>

builtin/core/roles/kubernetes/init-kubernetes/tasks/init_kubernetes.yaml

@@ -73,3 +73,8 @@
     - name: Add work label
       command: |
         /usr/local/bin/kubectl label --overwrite node {{ .hostname }} node-role.kubernetes.io/worker=
+
+- name: Add annotations
+  when: .annotations | empty | not
+  command: |
+    kubectl annotate {{ .hostname }} {{- range $k,$v := .annotations }}{{ printf "%s=%s" $k $v}} {{- end }}

builtin/core/roles/kubernetes/join-kubernetes/tasks/join_kubernetes.yaml

@@ -47,6 +47,11 @@
       command: |
         /usr/local/bin/kubectl label --overwrite node {{ .hostname }} node-role.kubernetes.io/worker=
 
+- name: Add annotations
+  when: .annotations | empty | not
+  command: |
+    kubectl annotate {{ .hostname }} {{- range $k,$v := .annotations }}{{ printf "%s=%s" $k $v}} {{- end }}
+
 - name: Set change custom hosts to localDNS file
   when: 
     - eq .kubernetes.control_plane_endpoint.type "local"

pkg/converter/tmpl/template_test.go

@@ -188,6 +188,23 @@ func TestParseBool(t *testing.T) {
 			},
 			excepted: true,
 		},
+		// ======= empty =======
+		{
+			name:      "empty true-1",
+			condition: []string{`{{ empty .foo }}`},
+			variable: map[string]any{
+				"foo": map[string]any{},
+			},
+			excepted: true,
+		},
+		{
+			name:      "empty true-2",
+			condition: []string{`{{ empty .foo }}`},
+			variable: map[string]any{
+				"foo": []any{},
+			},
+			excepted: true,
+		},
 	}
 	for _, tc := range testcases {
 		t.Run(tc.name, func(t *testing.T) {