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ci.py
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#!/usr/bin/python
import argparse
import os
import logging
import re
import shlex
import subprocess
import sys
from xml.etree import ElementTree as ET
logging.basicConfig(level=logging.INFO, format='%(message)s')
log = logging.getLogger(__name__)
NAME_SPACE = "{http://maven.apache.org/POM/4.0.0}"
RESOLVER_PLUGIN_VERSION = "0.6.0"
class CI:
def __init__(self, new_version, repo_path, direct_pom_edit=False):
"""Initialize class variables"""
# List of all the files that were modified by this script so the parent
# script that runs this update can commit them.
self.updated_files = []
# The new version
self.new_version = new_version
# The path the root of the repo so we can use full absolute paths
self.repo_path = repo_path
# Use direct pom.xml editing instead of mvn versions:set-property.
self.direct_pom_edit = direct_pom_edit
def run_update(self):
"""Update all the files with the new version"""
log.info("Running additional version updates for common")
self.resolve_ccs_kafka_version()
self.resolve_ce_kafka_version()
self.updated_files.append("pom.xml")
log.info("Finished all common additional version updates.")
def resolve_ccs_kafka_version(self):
"""Resolve the version range property for ccs kafka."""
log.info("Resolving the version range for ccs kafka.")
property_name="kafka.version"
version_range = self.get_version_range(property_name)
version = self.resolve_version_range(version_range, "CCS")
self.set_property(property_name=property_name, property_value=version)
log.info("Finished resolving the version range for ccs kafka.")
def resolve_ce_kafka_version(self):
"""Resolve the version range property for ce kafka."""
log.info("Resolving the version range for ce kafka.")
property_name="ce.kafka.version"
version_range = self.get_version_range(property_name)
version = self.resolve_version_range(version_range, "CE")
self.set_property(property_name=property_name, property_value=version)
log.info("Finished resolving the version range for ce kafka.")
def get_version_range(self, property_name):
"""Parse pom file and extract property value."""
log.info("Getting version range for: {}.".format(property_name))
pom = ET.ElementTree()
pom.parse(os.path.join(self.repo_path, "pom.xml"))
properties = pom.getroot().find("{}properties".format(NAME_SPACE))
version_range = properties.find("{}{}".format(NAME_SPACE, property_name)).text
if version_range is not None:
version_range = version_range.strip()
log.info("Version range for {} is: {}".format(property_name, version_range))
return version_range
else:
log.error("Failed to get value for property: {}".format(property_name))
sys.exit(1)
def resolve_version_range(self, version_range, print_method):
"""Run the custom maven resolver plugin to find the latest artifact version in the range."""
if not self.is_version_range(version_range):
log.info("Specified version is not a range: {}".format(version_range))
return version_range
# We just use one of the kafka artifacts to resolve the range. No particular reason for using this artifact.
group_id = "org.apache.kafka"
artifact_id = "kafka-clients"
cmd = "mvn --batch-mode -Pjenkins "
# When running this from packaging we need to provide the maven command additional args,
# such as point at another repo. In packaging if we don't override the repo then it
# doesn't find the resolver plugin.
mvn_args = os.getenv("MAVEN_ARGS")
if mvn_args:
cmd += "{} ".format(mvn_args)
cmd += "io.confluent:resolver-maven-plugin:{}:resolve-kafka-range ".format(RESOLVER_PLUGIN_VERSION)
cmd += "-DgroupId={} ".format(group_id)
cmd += "-DartifactId={} ".format(artifact_id)
cmd += "-DversionRange=\"{}\" ".format(version_range)
# If we don't set this property to false it will skip running this when
# run from Jenkins because the profile sets the skip value to true.
cmd += "-Dskip.maven.resolver.plugin=false "
cmd += "-Dprint{} -q".format(print_method)
log.info("Resolving the version range for: {}".format(version_range))
result, stdout = self.run_cmd(cmd, return_stdout=True)
if result:
# When run from Jenkins there will be additional output included so we just get the last line of output.
version = stdout.strip().splitlines()[-1]
# Make sure we got a valid version back and the script didn't silently fail.
# The version format may include an optional nano version segment, e.g.:
# 8.3.0-570-ce (old format) or 8.3.0-641-0-ce (new format with nano version)
match_result = re.match("[0-9]*\\.[0-9]*\\.[0-9]*-[0-9]*(-[0-9]+)*-{}".format(print_method.lower()), version)
if match_result:
log.info("Resolved the version range to version: {}".format(version))
return version
log.error("Failed to resolve the version range.")
def is_version_range(self, version):
"""Checks if the specified Maven version is a range"""
return (version.startswith('[') or version.startswith('(')) and \
(version.endswith(']') or version.endswith(')'))
def run_cmd(self, cmd, return_stdout=False):
"""Execute a shell command. Return true if successful, false otherwise."""
log.info(cmd)
cmd = shlex.split(cmd)
proc = subprocess.Popen(cmd,
cwd=self.repo_path,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
universal_newlines=True)
stdout, _ = proc.communicate()
if stdout:
log.info(stdout)
if proc.returncode != 0:
if return_stdout:
return False, stdout
else:
return False
elif return_stdout:
return True, stdout
else:
return True
def set_property(self, property_name, property_value):
"""Update the project version property in the pom file.
When --direct-pom-edit is passed to ci-tools ci-update-version, this
method directly edits the XML instead of invoking mvn versions:set-property
(which is extremely slow on multi-module projects due to dependency resolution).
"""
log.info("Setting the property {} to {}".format(property_name, property_value))
if self.direct_pom_edit:
self._set_property_direct(property_name, property_value)
else:
self._set_property_mvn(property_name, property_value)
log.info("Finished setting the property.")
def _set_property_mvn(self, property_name, property_value):
"""Update a pom property using mvn versions:set-property."""
cmd = "mvn --batch-mode versions:set-property "
cmd += "-DgenerateBackupPoms=false "
cmd += "-Dproperty={} ".format(property_name)
cmd += "-DnewVersion={}".format(property_value)
if not self.run_cmd(cmd):
log.error("Failed to set the property.")
sys.exit(1)
def _set_property_direct(self, property_name, property_value):
"""Update a pom property by directly editing the XML file."""
pom_path = os.path.join(self.repo_path, "pom.xml")
with open(pom_path, 'r') as f:
content = f.read()
pattern = r'(<{0}>)[^<]*(</{0}>)'.format(re.escape(property_name))
new_content, count = re.subn(
pattern,
lambda m: m.group(1) + property_value + m.group(2),
content
)
if count == 0:
log.error("Failed to find property {} in pom.xml".format(property_name))
sys.exit(1)
with open(pom_path, 'w') as f:
f.write(new_content)
if __name__ == '__main__':
parser = argparse.ArgumentParser(description="Run common ci update for nano versioning.")
parser.add_argument("version", help="The new version to use.")
parser.add_argument("path", help="The path to the repo.")
args = parser.parse_args()
updater = CI(args.version, args.path)
updater.run_update()