OVMS3-idf/tools/ci/deploy_docs.py
2020-03-16 14:36:23 +11:00

185 lines
7.1 KiB
Python
Executable file

#!/usr/bin/env python3
#
# CI script to deploy docs to a webserver. Not useful outside of CI environment
#
#
# Copyright 2020 Espressif Systems (Shanghai) PTE LTD
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import glob
import os
import os.path
import re
import stat
import sys
import subprocess
import tarfile
import packaging.version
def env(variable, default=None):
""" Shortcut to return the expanded version of an environment variable """
return os.path.expandvars(os.environ.get(variable, default) if default else os.environ[variable])
# import sanitize_version from the docs directory, shared with here
sys.path.append(os.path.join(env("IDF_PATH"), "docs"))
from sanitize_version import sanitize_version # noqa
def main():
# if you get KeyErrors on the following lines, it's probably because you're not running in Gitlab CI
git_ver = env("GIT_VER") # output of git describe --always
ci_ver = env("CI_COMMIT_REF_NAME", git_ver) # branch or tag we're building for (used for 'release' & URL)
version = sanitize_version(ci_ver)
print("Git version: {}".format(git_ver))
print("CI Version: {}".format(ci_ver))
print("Deployment version: {}".format(version))
if not version:
raise RuntimeError("A version is needed to deploy")
build_dir = env("DOCS_BUILD_DIR") # top-level local build dir, where docs have already been built
if not build_dir:
raise RuntimeError("Valid DOCS_BUILD_DIR is needed to deploy")
url_base = env("DOCS_DEPLOY_URL_BASE") # base for HTTP URLs, used to print the URL to the log after deploying
docs_server = env("DOCS_DEPLOY_SERVER") # ssh server to deploy to
docs_user = env("DOCS_DEPLOY_SERVER_USER")
docs_path = env("DOCS_DEPLOY_PATH") # filesystem path on DOCS_SERVER
if not docs_server:
raise RuntimeError("Valid DOCS_DEPLOY_SERVER is needed to deploy")
if not docs_user:
raise RuntimeError("Valid DOCS_DEPLOY_SERVER_USER is needed to deploy")
docs_server = "{}@{}".format(docs_user, docs_server)
if not docs_path:
raise RuntimeError("Valid DOCS_DEPLOY_PATH is needed to deploy")
print("DOCS_DEPLOY_SERVER {} DOCS_DEPLOY_PATH {}".format(docs_server, docs_path))
tarball_path, version_urls = build_doc_tarball(version, build_dir)
deploy(version, tarball_path, docs_path, docs_server)
print("Docs URLs:")
for vurl in version_urls:
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)
# 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
# process but call the version 'stable' this time
if is_stable_version(version):
print("Deploying again as stable version...")
tarball_path, version_urls = build_doc_tarball("stable", build_dir)
deploy("stable", tarball_path, docs_path, docs_server)
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))
subprocess.run(["ssh", "-o", "BatchMode=yes", docs_server, "-x", " && ".join(commands)], check=True)
# copy the version tarball to the server
run_ssh(["mkdir -p {}".format(docs_path)])
print("Running scp {} to {}".format(tarball_path, "{}:{}".format(docs_server, docs_path)))
subprocess.run(["scp", "-B", tarball_path, "{}:{}".format(docs_server, docs_path)], check=True)
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
"tar -zxvf {}".format(tarball_name), # untar the archive with the new docs
"rm {}".format(tarball_name)])
# Note: deleting and then extracting the archive is a bit awkward for updating stable/latest/etc
# as the version will be invalid for a window of time. Better to do it atomically, but this is
# another thing made much more complex by the directory structure putting language before version...
def build_doc_tarball(version, build_dir):
""" Make a tar.gz archive of the docs, in the directory structure used to deploy as
the given version """
version_paths = []
tarball_path = "{}/{}.tar.gz".format(build_dir, version)
# find all the 'html/' directories under build_dir
html_dirs = glob.glob("{}/**/html/".format(build_dir), recursive=True)
print("Found %d html directories" % len(html_dirs))
def not_sources_dir(ti):
""" Filter the _sources directories out of the tarballs """
if ti.name.endswith("/_sources"):
return None
ti.mode |= stat.S_IWGRP # make everything group-writeable
return ti
try:
os.remove(tarball_path)
except OSError:
pass
with tarfile.open(tarball_path, "w:gz") as tarball:
for html_dir in html_dirs:
# html_dir has the form '<ignored>/<language>/<target>/html/'
target_dirname = os.path.dirname(os.path.dirname(html_dir))
target = os.path.basename(target_dirname)
language = os.path.basename(os.path.dirname(target_dirname))
# when deploying, we want the top-level directory layout 'language/version/target'
archive_path = "{}/{}/{}".format(language, version, target)
print("Archiving '{}' as '{}'...".format(html_dir, archive_path))
tarball.add(html_dir, archive_path, filter=not_sources_dir)
version_paths.append(archive_path)
return (os.path.abspath(tarball_path), version_paths)
def is_stable_version(version):
""" Heuristic for whether this is the latest stable release """
if not version.startswith("v"):
return False # branch name
if "-" in version:
return False # prerelease tag
git_out = subprocess.run(["git", "tag", "-l"], capture_output=True, check=True)
versions = [v.strip() for v in git_out.stdout.decode("utf-8").split("\n")]
versions = [v for v in versions if re.match(r"^v[\d\.]+$", v)] # include vX.Y.Z only
versions = [packaging.version.parse(v) for v in versions]
max_version = max(versions)
if max_version.public != version[1:]:
print("Stable version is v{}. This version is {}.".format(max_version.public, version))
return False
else:
print("This version {} is the stable version".format(version))
return True
if __name__ == "__main__":
main()