add some prefix for doc urls to make BOT recognize the preview doc url

tools/ci/deploy_docs.py

@@ -80,10 +80,13 @@ def main():
     deploy(version, tarball_path, docs_path, docs_server)
 
     print("Docs URLs:")
+    doc_deploy_type = os.getenv('TYPE')
     for vurl in version_urls:
+        language, _, target = vurl.split('/')
+        tag = '{}_{}'.format(language, target)
         url = "{}/{}/index.html".format(url_base, vurl)  # (index.html needed for the preview server)
         url = re.sub(r"([^:])//", r"\1/", url)  # get rid of any // that isn't in the https:// part
-        print(url)
+        print('[document {}][{}] {}'.format(doc_deploy_type, tag, url))
 
     # note: it would be neater to use symlinks for stable, but because of the directory order
     # (language first) it's kind of a pain to do on a remote server, so we just repeat the
@@ -95,7 +98,6 @@ def main():
 
 
 def deploy(version, tarball_path, docs_path, docs_server):
-
     def run_ssh(commands):
         """ Log into docs_server and run a sequence of commands using ssh """
         print("Running ssh: {}".format(commands))
@@ -109,7 +111,7 @@ def deploy(version, tarball_path, docs_path, docs_server):
     tarball_name = os.path.basename(tarball_path)
 
     run_ssh(["cd {}".format(docs_path),
-             "rm -rf ./*/{}".format(version),   # remove any pre-existing docs matching this version
+             "rm -rf ./*/{}".format(version),  # remove any pre-existing docs matching this version
              "tar -zxvf {}".format(tarball_name),  # untar the archive with the new docs
              "rm {}".format(tarball_name)])