Store template resolved nodes back in nodes object

templates/generate_configs.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+set -euo pipefail
+ROOT=$(git rev-parse --show-toplevel)
+CONFIGS=${ROOT}/configs
+
+# Generate the configuration for each node
+{% set clusters = [] %}
+{%- for node in nodes -%}
+talosctl gen config {{ node.clusterName }} https://{{ node.controlplaneIp }}:6443 -f \
+	--with-secrets ${ROOT}/secrets.yaml \
+	--talos-version {{ node.talosVersion }} \
+	--kubernetes-version {{ node.kubernesVersion }} \
+	--output-types {{ node.type }} \
+	--install-image factory.talos.dev/metal-installer/{{ node.schematicId }}:{{ node.talosVersion }} \
+	{% for patch in node.patches -%}
+		{# The double call to tojson is needed to properly escape the patch (object -> json -> string) -#}
+		--config-patch {{ patch|tojson|tojson }} \
+	{% endfor -%}
+	{% for patch in node.patchesControlplane -%}
+		--config-patch-control-plane {{ patch|tojson|tojson }} \
+	{% endfor -%}
+	--with-docs=false \
+	--with-examples=false \
+	-o ${CONFIGS}/{{ node.filename }}.yaml
+
+	{%- do clusters.append((node.clusterName, node.controlplaneIp)) %}
+{% endfor %}
+
+# Generate the talosconfig file for each cluster
+{% for cluster in clusters|unique -%}
+talosctl gen config {{ cluster[0] }} https://{{ cluster[1] }}:6443 -f \
+	--with-secrets ${ROOT}/secrets.yaml \
+	--output-types talosconfig \
+	-o ${CONFIGS}/{{ cluster[0] }}/talosconfig
+{% endfor %}
+
+# Create merged talosconfig
+export TALOSCONFIG=${CONFIGS}/talosconfig
+rm -f ${TALOSCONFIG}
+{% for cluster in clusters|unique -%}
+talosctl config merge ${CONFIGS}/{{ cluster[0] }}/talosconfig
+{% endfor %}

tools/render

@@ -124,10 +124,10 @@ def main():
         yml_data["filename"] = filename
         nodes.append(yml_data)
 
-    final_nodes = []
-    for node in nodes:
     # Quick and dirty way to resolve all the templates using a custom encoder
-        final_nodes.append(json.loads(json.dumps(node, cls=node_encoder(node))))
+    nodes = list(
+        map(lambda node: json.loads(json.dumps(node, cls=node_encoder(node))), nodes)
+    )
 
     with open(ROOT.joinpath("config.yaml")) as fyaml:
         config = yaml.safe_load(fyaml)
@@ -136,7 +136,7 @@ def main():
     for template_name in TEMPLATES.list_templates():
         template = TEMPLATES.get_template(template_name)
 
-        rendered = template.render(nodes=final_nodes, config=config)
+        rendered = template.render(nodes=nodes, config=config)
         with open(RENDERED.joinpath(template_name), "w") as f:
             f.write(rendered)