###############################################################################
# Copyright (c) 2015 Ericsson AB and others.
# szilard.cserey@ericsson.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
###############################################################################
import time
import re
import json
from common import (
N,
exec_cmd,
parse,
err,
log,
)
SEARCH_TEXT = '(err)'
LOG_FILE = '/var/log/puppet.log'
GREP_LINES_OF_LEADING_CONTEXT = 100
GREP_LINES_OF_TRAILING_CONTEXT = 100
LIST_OF_CHAR_TO_BE_ESCAPED = ['[', ']', '"']
class DeployNotStart(Exception):
"""Unable to start deployment"""
class NodesGoOffline(Exception):
"""Nodes goes offline during deployment"""
class Deployment(object):
def __init__(self, dea, yaml_config_dir, env_id, node_id_roles_dict,
no_health_check, deploy_timeout):
self.dea = dea
self.yaml_config_dir = yaml_config_dir
self.env_id = env_id
self.node_id_roles_dict = node_id_roles_dict
self.no_health_check = no_health_check
self.deploy_timeout = deploy_timeout
self.pattern = re.compile(
'\d\d\d\d-\d\d-\d\d\s\d\d:\d\d:\d\d')
def collect_error_logs(self):
for node_id, roles_blade in self.node_id_roles_dict.iteritems():
log_list = []
cmd = ('ssh -q node-%s grep \'"%s"\' %s'
% (node_id, SEARCH_TEXT, LOG_FILE))
results, _ = exec_cmd(cmd, False)
for result in results.splitlines():
log_msg = ''
sub_cmd = '"%s" %s' % (result, LOG_FILE)
for c in LIST_OF_CHAR_TO_BE_ESCAPED:
sub_cmd = sub_cmd.replace(c, '\%s' % c)
grep_cmd = ('grep -B%s %s'
% (GREP_LINES_OF_LEADING_CONTEXT, sub_cmd))
cmd = ('ssh -q node-%s "%s"' % (node_id, grep_cmd))
details, _ = exec_cmd(cmd, False)
details_list = details.splitlines()
found_prev_log = False
for i in range(len(details_list) - 2, -1, -1):
if self.pattern.match(details_list[i]):
found_prev_log = True
break
if found_prev_log:
log_msg += '\n'.join(details_list[i:-1]) + '\n'
grep_cmd = ('grep -A%s %s'
% (GREP_LINES_OF_TRAILING_CONTEXT, sub_cmd))
cmd = ('ssh -q node-%s "%s"' % (node_id, grep_cmd))
details, _ = exec_cmd(cmd, False)
details_list = details.splitlines()
found_next_log = False
for i in range(1, len(details_list)):
if self.pattern.match(details_list[i]):
found_next_log = True
break
if found_next_log:
log_msg += '\n'.join(details_list[:i])
else:
log_msg += details
if log_msg:
log_list.append(log_msg)
if log_list:
role = ('controller' if 'controller' in roles_blade[0]
else 'compute host')
log('_' * 40 + 'Errors in node-%s %s' % (node_id, role)
+ '_' * 40)
for log_msg in log_list:
print(log_msg + '\n')
def run_deploy(self):
SLEEP_TIME = 60
abort_after = 60 * int(self.deploy_timeout)
start = time.time()
log('Starting deployment of environment %s' % self.env_id)
deploy_id = None
ready = False
timeout = False
attempts = 0
while attempts < 3:
try:
if time.time() > start + abort_after:
timeout = True
break
if not deploy_id:
deploy_id = self._start_deploy_task()
sts, prg, msg = self._deployment_status(deploy_id)
if sts == 'error':
log('Error during deployment: {}'.format(msg))
break
if sts == 'running':
log('Environment deployment progress: {}%'.format(prg))
elif sts == 'ready':
ready = True
break
time.sleep(SLEEP_TIME)
except (DeployNotStart, NodesGoOffline) as e:
log(e)
attempts += 1
deploy_id = None
time.sleep(SLEEP_TIME * attempts)
if timeout:
err('Deployment timed out, environment %s is not operational, '
'snapshot will not be performed'
% self.env_id)
if ready:
log('Environment %s successfully deployed'
% self.env_id)
else:
self.collect_error_logs()
err('Deployment failed, environment %s is not operational'
% self.env_id, self.collect_logs)
def _start_deploy_task(self):
out, _ = exec_cmd('fuel2 env deploy {}'.format(self.env_id), False)
id = self._deployment_task_id(out)
return id
def _deployment_task_id(self, response):
response = str(response)
if response.startswith('Deployment task with id'):
for s in response.split():
if s.isdigit():
return int(s)
raise DeployNotStart('Unable to start deployment: {}'.format(response))
def _deployment_status(self, id):
task = self._task_fields(id)
if task['status'] == 'error':
if task['message'].endswith(
'offline. Remove them from environment and try again.'):
raise NodesGoOffline(task['message'])
return task['status'], task['progress'], task['message']
def _task_fields(self, id):
try:
out, _ = exec_cmd('fuel2 task show {} -f json'.format(id), False)
task_info = json.loads(out)
properties = {}
# for 9.0 this can be list of dicts or dict
# see https://bugs.launchpad.net/fuel/+bug/1625518
if isinstance(task_info, list):
for d in task_info:
properties.update({d['Field']: d['Value']})
else:
return task_info
return properties
except ValueError as e:
err('Unable to fetch task info: {}'.format(e))
def collect_logs(self):
log('Cleaning out any previous deployment logs')
exec_cmd('rm -f /var/log/remote/fuel-snapshot-*', False)
exec_cmd('rm -f /root/deploy-*', False)
log('Generating Fuel deploy snap-shot')
if exec_cmd('fuel snapshot < /dev/null &> snapshot.log', False)[1] <> 0:
log('Could not create a Fuel snapshot')
else:
exec_cmd('mv /root/fuel-snapshot* /var/log/remote/', False)
log('Collecting all Fuel Snapshot & deploy log files')
r, _ = exec_cmd('tar -czhf /root/deploy-%s.log.tar.gz /var/log/remote' % time.strftime("%Y%m%d-%H%M%S"), False)
log(r)
def verify_node_status(self):
node_list = parse(exec_cmd('fuel --env %s node' % self.env_id))
failed_nodes = []
for node in node_list:
if node[N['status']] != 'ready':
failed_nodes.append((node[N['id']], node[N['status']]))
if failed_nodes:
summary = ''
for node, status in failed_nodes:
summary += '[node %s, status %s]\n' % (node, status)
err('Deployment failed: %s' % summary, self.collect_logs)
def health_check(self):
log('Now running sanity and smoke health checks')
r = exec_cmd('fuel health --env %s --check sanity,smoke --force' % self.env_id)
log(r)
if 'failure' in r:
err('Healthcheck failed!', self.collect_logs)
def deploy(self):
self.run_deploy()
self.verify_node_status()
if not self.no_health_check:
self.health_check()
self.collect_logs()
