[SPARK-25685][BUILD] Allow running tests in Jenkins in enterprise Git repository

dev/run-tests-jenkins.py

@@ -39,7 +39,8 @@ def print_err(msg):
 def post_message_to_github(msg, ghprb_pull_id):
     print("Attempting to post to Github...")
 
-    url = "https://api.github.com/repos/apache/spark/issues/" + ghprb_pull_id + "/comments"
+    api_url = os.getenv("GITHUB_API_BASE", "https://api.github.com/repos/apache/spark")
+    url = api_url + "/issues/" + ghprb_pull_id + "/comments"
     github_oauth_key = os.environ["GITHUB_OAUTH_KEY"]
 
     posted_message = json.dumps({"body": msg})
@@ -176,7 +177,8 @@ def main():
     build_display_name = os.environ["BUILD_DISPLAY_NAME"]
     build_url = os.environ["BUILD_URL"]
 
-    commit_url = "https://github.com/apache/spark/commit/" + ghprb_actual_commit
+    project_url = os.getenv("SPARK_PROJECT_URL", "https://github.com/apache/spark")
+    commit_url = project_url + "/commit/" + ghprb_actual_commit
 
     # GitHub doesn't auto-link short hashes when submitted via the API, unfortunately. :(
     short_commit_hash = ghprb_actual_commit[0:7]

docs/building-spark.md

@@ -272,3 +272,31 @@ For SBT, specify a complete scala version using (e.g. 2.12.6):
     ./build/sbt -Dscala.version=2.12.6
 
 Otherwise, the sbt-pom-reader plugin will use the `scala.version` specified in the spark-parent pom.
+
+## Running Jenkins tests with enterprise Github
+
+To run tests with Jenkins:
+
+    ./dev/run-tests-jenkins
+
+If use an individual repository or an enterprise GitHub, export below environment variables before running above command.
+
+### Related environment variables
+
+<table class="table">
+<tr><th>Variable Name</th><th>Default</th><th>Meaning</th></tr>
+<tr>
+  <td><code>GITHUB_API_BASE</code></td>
+  <td>https://api.github.com/repos/apache/spark</td>
+  <td>
+    The GitHub server API URL. It could be pointed to an enterprise GitHub.
+  </td>
+</tr>
+<tr>
+  <td><code>SPARK_PROJECT_URL</code></td>
+  <td>https://github.com/apache/spark</td>
+  <td>
+    The Spark project URL of (enterprise) GitHub.
+  </td>
+</tr>
+</table>