feat(dns): 用模板生成各后端配置

infrastructure/dns/templates/blocky.yml.j2

@@ -0,0 +1,3 @@
+[% for record in records %]
+    [[ record.name ]]: [[ record['values'][0] ]]
+[% endfor %]

infrastructure/dns/templates/cloudflare.tf.j2

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+# Generated by infrastructure/dns/generate.py. Do not edit directly.
+[% for record in records %]
+resource "cloudflare_dns_record" "[[ record.terraform.resource_name ]]" {
+  zone_id = var.zone_id
+  name    = "[[ record.name ]]"
+  type    = "[[ record.type ]]"
+  content = "[[ record['values'][0] ]]"
+  proxied = [[ record.proxied | lower ]]
+  ttl     = [[ record.ttl | default(1) ]]
+}
+[% endfor %]

infrastructure/dns/templates/coredns.yaml.j2

@@ -0,0 +1,12 @@
+[% for record in records %]
+  [[ record.name | replace('.', '-') ]].server: |
+    [[ record.name ]]:53 {
+        errors
+        template IN A {
+            answer "{{ .Name }} 60 IN A [[ record['values'][0] ]]"
+        }
+        template IN AAAA {
+            rcode NOERROR
+        }
+    }
+[% endfor %]