Created
August 1, 2014 16:22
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Update script for split-environment Puppetmaster module dirs
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#!/usr/bin/env python | |
import sys | |
import os | |
import os.path | |
import logging | |
import subprocess | |
ENV_DIR = "environments" | |
MODULES = ['core', 'site'] | |
logging.basicConfig(format="%(message)s", level='INFO') | |
log = logging.getLogger('puppet-refresh') | |
def needs_pull(path, branch='master'): | |
output = subprocess.check_output(['git', '--git-dir=.git', 'ls-remote', '--heads', 'origin', branch]).strip() | |
latest_commit, branchinfo = output.split() | |
current_commit = subprocess.check_output(['git', '--git-dir=.git', 'ls-remote', '--heads', 'origin', branch]).strip() | |
return current_commit != latest_commit | |
def clone(url, path): | |
try: | |
output = subprocess.check_output(['git', 'clone', url, path]) | |
log.debug(output) | |
except subprocess.CalledProcessError, e: | |
log.error("Error in git clone: %s" % e.output) | |
sys.exit(1) | |
def checkout(path, branch): | |
try: | |
output = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], cwd=path).strip() | |
if(output != branch): | |
output = subprocess.check_output(['git', 'checkout', branch], cwd=path) | |
log.debug(output) | |
except subprocess.CalledProcessError, e: | |
log.error("Error in git checkout: %s" % e.output) | |
sys.exit(1) | |
def pull(path): | |
try: | |
output = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], cwd=path).strip() | |
if(needs_pull(output)): | |
output = subprocess.check_output(['git', 'pull'], cwd=path) | |
log.debug(output) | |
except subprocess.CalledProcessError, e: | |
log.error("Error in git pull: %s" % e.output) | |
sys.exit(1) | |
def fetch(path): | |
try: | |
output = subprocess.check_output(['git', 'fetch'], cwd=path) | |
log.debug(output) | |
except subprocess.CalledProcessError, e: | |
log.error("Error in git fetch: %s" % e.output) | |
sys.exit(1) | |
def main(): | |
selected_branch, selected_module = None, None | |
if(len(sys.argv) == 2): | |
selected_branch = sys.argv[1] | |
elif(len(sys.argv) == 3): | |
selected_branch, selected_module = sys.argv[1:] | |
for environment in os.listdir(ENV_DIR): | |
if(environment == 'common'): | |
continue | |
elif(not os.path.isdir(os.path.join(ENV_DIR, environment))): | |
continue | |
elif(selected_branch and selected_branch != environment): | |
continue | |
log.info("Updating module %s for %s..." % (selected_module, environment)) | |
for module in MODULES: | |
if(selected_module and selected_module != module): | |
continue | |
module_path = os.path.join(ENV_DIR, environment, module) | |
if(os.path.exists(module_path)): | |
log.info("Refreshing %s" % module) | |
fetch(module_path) | |
checkout(module_path, environment) | |
pull(module_path) | |
else: | |
log.info("Cloning %s" % module) | |
clone("git@example.com:puppet/%s.git" % module, module_path) | |
checkout(module_path, environment) | |
if __name__ == "__main__": | |
main() |
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