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#!/usr/bin/env python
#
# Copyright 2016-2017 Huawei Technologies Co., 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 sys, csv, subprocess, os, shutil, urllib2, argparse
parser = argparse.ArgumentParser(description='Generate docker image definition for a microservice. The results will be placed under the target/ subdirectory.')
parser.add_argument('microservice', help='filename of microservice as entered in binaries.csv')
parser.add_argument('--build', default="snapshot", help='a specific build to use ("autorelease-????")')
args = parser.parse_args()
version = "1.1.0-SNAPSHOT"
root = subprocess.check_output(["git", "rev-parse", "--show-toplevel"]).rstrip()
path = "{}/test/csit/docker".format(root)
url_template = "https://nexus.open-o.org/service/local/artifact/maven/redirect?r=snapshots&g={0}&a={1}&e={2}&c={3}&v=LATEST"
found = False
with open( "{}/autorelease/binaries.csv".format(root), "r" ) as f:
reader = csv.DictReader(f)
for row in reader:
if row["filename"] == args.microservice:
found = True
print row["filename"]
if row["classifier"]:
file = "{}-{}-{}.{}".format(row["artifactId"], version, row["classifier"], row["extension"])
dest = "{}-{}-{}.{}".format(row["filename"], version, row["classifier"], row["extension"])
else:
file = "{}-{}.{}".format(row["artifactId"], version, row["extension"])
dest = "{}-{}.{}".format(row["filename"], version, row["extension"])
dir = "{}/{}/target".format(path, row["filename"])
try:
shutil.rmtree(dir, True)
os.makedirs(dir)
except OSError:
pass
# create empty Dockerfile if not exists
open( "{}/Dockerfile".format(dir), "a" ).close()
outfile = open( "{}/50-microservice.txt".format(dir), "w" )
outfile.write("# 50-microservice.txt - AUTOGENERATED, DO NOT MODIFY MANUALLY\n\n")
outfile.write("# Set up microservice\n")
if args.build == "snapshot":
redir_url = url_template.format(row["groupId"], row["artifactId"], row["extension"], row["classifier"])
outfile.write("# {}\n".format(redir_url))
response = urllib2.urlopen(redir_url)
url = response.geturl()
else:
url = "https://nexus.open-o.org/content/repositories/{}/{}/{}/{}/{}".format(args.build, row["groupId"].replace(".","/"), row["artifactId"], version, file )
outfile.write("RUN wget -q -O {} \"{}\"".format(dest, url))
# outfile.write("ADD \"{}\" {}\n".format(url, dest))
unzip_opt = ""
if row["extension"] == "tar.gz":
if row["unzip-dir"]:
unzip_opt = " -C {}".format(row["unzip-dir"])
outfile.write(" && tar -xf {}{}".format(dest, unzip_opt))
elif row["extension"] == "zip":
if row["unzip-dir"]:
unzip_opt = " -d {}".format(row["unzip-dir"])
outfile.write(" && unzip -q -o -B {}{}".format(dest, unzip_opt))
outfile.write(" && rm -f {}\n".format(dest))
outfile.write("# Set permissions\n")
outfile.write("RUN find . -type d -exec chmod o-w {} \;\n")
outfile.write("RUN find . -name \"*.sh\" -exec chmod +x {} \;\n")
if row["ports"]:
ports = row["ports"].split()
for port in ports:
outfile.write("EXPOSE {}\n".format(port))
outfile.write("RUN echo Open-O {} {} \"{}\" > OPENO_VERSION\n".format(row["filename"], version, url))
outfile.write("\n\n")
outfile.close()
def symlink(flag, template):
try:
os.remove("{}/{}".format(dir, template))
except OSError:
pass
if flag:
os.symlink("../../templates/{}".format(template), "{}/{}".format(dir, template))
symlink(True, "10-basebuild.txt")
symlink(row["python"], "15-python.txt")
symlink(row["mysql"], "20-mysql.txt")
if row["tomcat"]:
# create empty 30-tomcat.txt as marker for gen-dockerfiles.sh
open( "{}/30-tomcat.txt".format(dir), "a" ).close()
symlink(row["mongodb"], "25-mongodb.txt")
symlink(True, "90-entrypoint.txt")
if not found:
print "Error: microservice {} not found in binaries.csv.".format(args.microservice)
sys.exit(2)
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