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Allow --symlink

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This commit is contained in:
Kegan Dougal 2016-02-03 12:00:17 +00:00
parent e22d36fc08
commit 4129c9bc24
1 changed files with 26 additions and 5 deletions
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31
deploy/redeploy.py
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@ -1,11 +1,13 @@
#!/usr/bin/env python #!/usr/bin/env python
from __future__ import print_function from __future__ import print_function
import json, requests, tarfile, argparse, os import json, requests, tarfile, argparse, os, errno
from urlparse import urljoin from urlparse import urljoin
from flask import Flask, jsonify, request, abort from flask import Flask, jsonify, request, abort
app = Flask(__name__) app = Flask(__name__)
arg_jenkins_url, arg_listen_port, arg_extract_path, arg_should_clean = None, None, None, None arg_jenkins_url, arg_listen_port, arg_extract_path, arg_should_clean, arg_symlink = (
None, None, None, None, None
)
def download_file(url): def download_file(url):
local_filename = url.split('/')[-1] local_filename = url.split('/')[-1]
@ -20,6 +22,17 @@ def untar_to(tarball, dest):
with tarfile.open(tarball) as tar: with tarfile.open(tarball) as tar:
tar.extractall(dest) tar.extractall(dest)
def create_symlink(source, linkname):
try:
os.symlink(source, linkname)
except OSError, e:
if e.errno == errno.EEXIST:
# atomic modification
os.symlink(source, linkname + ".tmp")
os.rename(linkname + ".tmp", linkname)
else:
raise e
@app.route("/", methods=["POST"]) @app.route("/", methods=["POST"])
def on_receive_jenkins_poke(): def on_receive_jenkins_poke():
# { # {
@ -107,6 +120,7 @@ def on_receive_jenkins_poke():
with open(os.path.join(untar_location, "vector/version"), "w") as stamp_file: with open(os.path.join(untar_location, "vector/version"), "w") as stamp_file:
stamp_file.write(name_str) stamp_file.write(name_str)
create_symlink(source=os.path.join(untar_location, "vector"), linkname=arg_symlink)
return jsonify({}) return jsonify({})
@ -133,6 +147,13 @@ if __name__ == "__main__":
"Remove .tar.gz files after they have been downloaded and extracted." "Remove .tar.gz files after they have been downloaded and extracted."
) )
) )
parser.add_argument(
"-s", "--symlink", dest="symlink", default="./latest", help=(
"Write a symlink to this location pointing to the extracted tarball. \
New builds will keep overwriting this symlink. The symlink will point \
to the /vector directory INSIDE the tarball."
)
)
args = parser.parse_args() args = parser.parse_args()
if args.jenkins.endswith("/"): # important for urljoin if args.jenkins.endswith("/"): # important for urljoin
arg_jenkins_url = args.jenkins arg_jenkins_url = args.jenkins
@ -141,10 +162,10 @@ if __name__ == "__main__":
arg_extract_path = args.extract arg_extract_path = args.extract
arg_listen_port = args.port arg_listen_port = args.port
arg_should_clean = args.clean arg_should_clean = args.clean
arg_symlink = args.symlink
print( print(
"Listening on port %s. Extracting to %s%s. Jenkins URL: %s" % "Listening on port %s. Extracting to %s%s. Symlinking to %s. Jenkins URL: %s" %
(arg_listen_port, arg_extract_path, (arg_listen_port, arg_extract_path,
" (clean after)" if arg_should_clean else "", arg_jenkins_url) " (clean after)" if arg_should_clean else "", arg_symlink, arg_jenkins_url)
) )
app.run(debug=True) app.run(debug=True)