add new check check_yaml_document_end

ansiblelater/data/standards.py

@@ -24,6 +24,7 @@ from ansiblelater.rules.yamlfiles import check_yaml_file
 from ansiblelater.rules.yamlfiles import check_yaml_has_content
 from ansiblelater.rules.yamlfiles import check_yaml_hyphens
 from ansiblelater.rules.yamlfiles import check_yaml_indent
+from ansiblelater.rules.yamlfiles import check_yaml_document_end
 from ansiblelater.standard import Standard
 
 tasks_should_be_separated = Standard(dict(
@@ -224,6 +225,14 @@ use_yaml_rather_than_key_value = Standard(dict(
     types=["playbook", "task", "handler"]
 ))
 
+files_should_contain_document_end_marker = Standard(dict(
+    id="LINT0009",
+    name="YAML should contain document end marker",
+    check=check_yaml_document_end,
+    version="0.1",
+    types=["playbook", "task", "handler", "rolevars",
+           "hostvars", "groupvars", "meta"]
+))
 
 ansible_min_version = "2.5"
 ansible_later_min_version = "0.2.0"
@@ -256,4 +265,5 @@ standards = [
     rolesfile_should_be_in_yaml,
     files_should_not_be_purposeless,
     use_yaml_rather_than_key_value,
+    files_should_contain_document_end_marker,
 ]

ansiblelater/rules/yamlfiles.py

@@ -75,6 +75,13 @@ def check_yaml_document_start(candidate, settings):
     return Result(candidate.path, errors)
 
 
+def check_yaml_document_end(candidate, settings):
+    options = "rules: {{document-end: {conf}}}".format(
+        conf=settings["yamllint"]["document-end"])
+    errors = run_yamllint(candidate.path, options)
+    return Result(candidate.path, errors)
+
+
 def check_yaml_colons(candidate, settings):
     options = "rules: {{colons: {conf}}}".format(
         conf=settings["yamllint"]["colons"])

ansiblelater/settings.py

@@ -127,6 +127,9 @@ class Settings(object):
                 "document-start": {
                     "present": True
                 },
+                "document-end": {
+                    "present": True
+                },
                 "colons": {
                     "max-spaces-before": 0,
                     "max-spaces-after": 1