def main():
try:
# prepare the working environment
args = prepare()
# load PMT/BMT table
xmt_mgr = xmt.XmtManager()
xmt_mgr.load(xmt.XMT_TYPE_PMT, args.pmt)
hostname = socket.gethostname()
pmt_entry = xmt_mgr.get_entry(xmt.XMT_TYPE_PMT, hostname)
log.debug("Get the PMT entry: %s", pmt_entry)
# modify puppet config with proper environment value
cmd = "sed -i \'s/environment=production$/environment=" + \
pmt_entry['environment'] + "/g\' /etc/puppet/puppet.conf"
utils.run_command(cmd)
# start deployment with the specified build
pbt = load_yaml(args.pbt)
deploy_build(args, pmt_entry, pbt)
except Exception as e:
log.error("Error happens during post boot: %s", e)
raise
return 0
def main():
try:
# prepare the working environment
args = prepare()
# load PMT/BMT table
xmt_mgr = xmt.XmtManager()
xmt_mgr.load(xmt.XMT_TYPE_PMT, args.pmt)
hostname = socket.gethostname()
pmt_entry = xmt_mgr.get_entry(xmt.XMT_TYPE_PMT, hostname)
log.debug("Get the PMT entry: %s", pmt_entry)
# modify puppet config with proper environment value
cmd = "sed -i \'s/environment=production$/environment=" + \
pmt_entry['environment'] + "/g\' /etc/puppet/puppet.conf"
utils.run_command(cmd)
# start deployment with the specified build
pbt = load_yaml(args.pbt)
deploy_build(args, pmt_entry, pbt)
except Exception as e:
log.error("Error happens during post boot: %s", e)
raise
return 0
def run_command(cmd):
"""
This method execute the command in another shell process in blocking mode
raise exception if the command exits with failure
"""
output = None
log.debug("Executing command [%s]", cmd)
try:
output = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as ex:
errmsg = "<errorcode>: %d \n<output>: %s\n" % (ex.returncode, ex.output)
log.error("Executing command [%s] failed: %s", cmd, errmsg)
raise exp.CommandFailure(cmd=cmd, error=errmsg)
return output
def run(self):
"""This method is the main loop for deployment
state machine
"""
log.info(">== deployment workflow starts.")
deploy_state = self.current_context['state']
log.debug("deploy_state: %s", deploy_state)
try:
while deploy_state != STATE_EXIT:
action = DeployWorkflow.deploy_state_machine[deploy_state]
action(self)
deploy_state = self.current_context['state']
# go through "exit" state to complete the state machine
DeployWorkflow.deploy_state_machine[deploy_state](self)
except Exception:
# rollback to the beginning state
utils.run_command_silient("git reset --hard deploy_start")
finally:
utils.run_command_silient("git tag -d deploy_start")
utils.run_command_silient("git checkout master")
log.info("<== deployment workflow completed.")