[ci_gen_kustomize_values] Allow reject vars patches

Author: pablintino

roles/ci_gen_kustomize_values/README.md

@@ -35,8 +35,8 @@ with a message.
 * `ci_gen_kustomize_fetch_ocp_state`: (Boolean) If true it enables generating CI templates based on the OCP state. Defaults to `true`.
 * `cifmw_ci_gen_kustomize_values_storage_class_prefix`: (String) Prefix for `storageClass` in generated values.yaml files. Defaults to `"lvms-"` only if `cifmw_use_lvms` is True, otherwise it defaults to `""`. The prefix is prepended to the `cifmw_ci_gen_kustomize_values_storage_class`. It is not recommended to override this value, instead set `cifmw_use_lvms` True or False.
 * `cifmw_ci_gen_kustomize_values_storage_class`: (String) Value for `storageClass` in generated values.yaml files. Defaults to `"lvms-local-storage"` only if `cifmw_use_lvms` is True, otherwise it defaults to `"local-storage"`.
-* `cifmw_ci_gen_kustomize_values_remove_keys_expressions`: (List) Remove keys matching the regular expressions from source ConfigMaps (values.yaml).
-  Defaults to `["^nodes$", "^node(_[0-9]+)?$"]`.
+* `cifmw_ci_gen_kustomize_values_remove_keys_expressions*`: (List) Remove keys matching the regular expressions from source ConfigMaps (values.yaml).
+  Defaults to `["^nodes$", "^node(_[0-9]+)?$"]`. Accepts passing additional expressions by passing variables that matches `cifmw_ci_gen_kustomize_values_remove_keys_expressions.+`.
 
 ### Specific parameters for edpm-values
 This configMap needs some more parameters in order to properly override the `architecture` provided one.

roles/ci_gen_kustomize_values/tasks/generate_snippets.yml

@@ -69,6 +69,22 @@
          cifmw_ci_gen_kustomize_values_snippets_dir_prefix ~ _datatype) |
          path_join
       }}
+    _cifmw_gen_kustomize_values_reject_extra_expressions: >-
+      {{
+        hostvars[inventory_hostname] |
+        dict2items |
+        selectattr("key", "match", "^cifmw_ci_gen_kustomize_values_remove_keys_expressions.+") |
+        sort(attribute='key') |
+        map(attribute="value") |
+        list
+      }}
+    _cifmw_gen_kustomize_values_reject_expressions: >-
+      {{
+        (
+          _cifmw_gen_kustomize_values_reject_extra_expressions +
+          cifmw_ci_gen_kustomize_values_remove_keys_expressions
+        ) | flatten | unique
+      }}
   ansible.builtin.set_fact:
     values_datatype: "{{ _datatype }}"
     snippet_datadir: "{{ _dest_dir }}"
@@ -81,7 +97,7 @@
       {{
         _config_map_content |
         ansible.utils.remove_keys(
-          target=cifmw_ci_gen_kustomize_values_remove_keys_expressions,
+          target=_cifmw_gen_kustomize_values_reject_expressions,
           matching_parameter='regex')
       }}
     cacheable: false