[MINOR] Add PR description validation on documentation updates

Author: yihua

scripts/pr_compliance.py

@@ -398,10 +398,18 @@ def make_default_validator(body, debug=False):
     risklevel = RiskLevelData("RISKLEVEL",
         "### Risk level",
         {"_If medium or high, explain what verification was done to mitigate the risks._"})
+    docsUpdate = ParseSectionData("DOCUMENTATIONUPDATE",
+        "### Documentation Update",
+        {"_Describe any necessary documentation update if there is any new feature, config, or user-facing change_",
+        "",
+        "- _The config description must be updated if new configs are added or the default value of the configs are changed_",
+        "- _Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the",
+        "  ticket number here and follow the [instruction](https://hudi.apache.org/contribute/developer-setup#website) to make",
+        "  changes to the website._"})
     checklist = ParseSectionData("CHECKLIST",
         "### Contributor's checklist",
         {})
-    parseSections = ParseSections([changelogs, impact, risklevel, checklist])
+    parseSections = ParseSections([changelogs, impact, risklevel, docsUpdate, checklist])
 
     return ValidateBody(body, "CHANGELOGS", parseSections, debug)
 
@@ -466,6 +474,21 @@ def test_body():
     good_risklevel = template_risklevel.copy()
     good_risklevel[1] = "none"
 
+    template_docs_update = [
+        "### Documentation Update",
+        "",
+        "_Describe any necessary documentation update if there is any new feature, config, or user-facing change_",
+        "",
+        "- _The config description must be updated if new configs are added or the default value of the configs are changed_",
+        "- _Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the",
+        "  ticket number here and follow the [instruction](https://hudi.apache.org/contribute/developer-setup#website) to make",
+        "  changes to the website._",
+        ""
+    ]
+
+    good_docs_update = template_docs_update.copy()
+    good_docs_update[1] = "update docs"
+
     template_checklist = [
         "### Contributor's checklist",
         "",
@@ -476,10 +499,10 @@ def test_body():
     ]
 
     #list of sections that when combined form a valid body
-    good_sections = [good_changelogs, good_impact, good_risklevel, template_checklist]
+    good_sections = [good_changelogs, good_impact, good_risklevel, good_docs_update, template_checklist]
 
     #list of sections that when combined form the template
-    template_sections = [template_changelogs, template_impact, template_risklevel, template_checklist]
+    template_sections = [template_changelogs, template_impact, template_risklevel, template_docs_update, template_checklist]
 
     tests_passed = True
     #Test section not filled out
@@ -532,9 +555,6 @@ def test_body():
     return tests_passed
 
 
-
-
-
 if __name__ == '__main__':
     if len(sys.argv) > 1:
         title_tests = test_title()