ci(schema): add cuelange example schema job

Author: noelmcloughlin

.gitlab-ci.yml

@@ -9,12 +9,15 @@
   only_branch_master_parent_repo: &only_branch_master_parent_repo
     - 'master@saltstack-formulas/template-formula'
   # `stage`
-  stage_constraints: &stage_constraints 'constraints'
+  stage_schema: &stage_schema 'schema'
   stage_lint: &stage_lint 'lint'
   stage_release: &stage_release 'release'
   stage_test: &stage_test 'test'
   # `image`
   image_commitlint: &image_commitlint 'myii/ssf-commitlint:11'
+  image_cuelang: &image_cuelang
+    name: 'myii/ssf-cue:0.3.2'    # instead of cuelang/cue
+    entrypoint: ['/bin/ash', '-c']
   image_dindruby: &image_dindruby 'myii/ssf-dind-ruby:2.7.1-r3'
   image_dindrubybionic: &image_dindrubybionic 'myii/ssf-dind-ruby-bionic:1_2.5.1'
   image_precommit: &image_precommit
@@ -42,6 +45,7 @@
 ###############################################################################
 stages:
   - *stage_lint
+  - *stage_schema
   - *stage_test
   - *stage_release
 variables:
@@ -101,6 +105,16 @@ rubocop:
   script:
     - 'rubocop -d -P -S --enable-pending-cops'
 
+cue:
+  allow_failure: true
+  stage: *stage_schema
+  image: *image_cuelang
+  variables:
+    DIR: 'TEMPLATE/parameters'
+    RULES: 'schema.cue'
+  script:
+    - 'cue vet -v $(find ${DIR} -name "*.yaml") ${DIR}/{RULES} --schema "#Values"'
+
 ###############################################################################
 # Define `test` template
 ###############################################################################

TEMPLATE/parameters/os/Fedora.yaml

@@ -13,7 +13,8 @@
 ---
 values:
   pkg:
-    name: TEMPLATE-fedora
+    name: 11
+    # TEMPLATE-fedora
   service:
     name: service-fedora
 ...

TEMPLATE/parameters/schema.cue

@@ -1,14 +1,18 @@
 // -*- coding: utf-8 -*-
 // vim: ft=yaml
+
+//
+// Data Constaints - Example from Saltstack-formulas
 //
-// Constraints Schema:
-// This is not a prescriptive or forced schema! Many variants of
-// formula (and yaml data) exist in the salt user community.
-// Therefore the use of cue '?' and "aliases" is recommended.
 
-// template-formula
-#template: {
-    pkg?: name?: string
+#Schema: #Values
+
+//
+// Rule
+//
+#Optional: {
+    pkg?:
+      name?: string
     rootgroup?: string
     hide_output?: bool
     dir_mode?: =~"^0?[124567]{3}$" // any mode of length 3, with 0 prefix optional
@@ -27,21 +31,31 @@
     winner?:            string
         ...
 }
-values?: {...#template}     // probable yaml namespace
 
 //
-// support formula diversity :-)
+// Schema Name
 //
+#Values: {
+  values?: {...#Optional}
+}
+values?: {...#Values}   // Namespace
+
 
-template?: {...#template}   // another probable namespace
+//
+// Older schema
+//
+#TEMPLATE: {
+  TEMPLATE?: {...#Optional}
+}
+TEMPLATE?: {...#Optional}
 
-Debian?: #template
-Suse?: #template
-Gentoo?: #template
-Arch?: #template
-Alpine?: #template
-FreeBSD?: #template
-OpenBSD?: #template
-Solaris?: #template
-Windows?: #template
-MacOS?: #template
+Debian?: #Optional
+Suse?: #Optional
+Gentoo?: #Optional
+Arch?: #Optional
+Alpine?: #Optional
+FreeBSD?: #Optional
+OpenBSD?: #Optional
+Solaris?: #Optional
+Windows?: #Optional
+MacOS?: #Optional