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authorchenjiankun <chenjiankun1@huawei.com>2017-07-07 03:13:36 +0000
committerchenjiankun <chenjiankun1@huawei.com>2017-07-11 09:47:30 +0000
commit0d18f9d3299480cb43e6b335180e5cbdb58505c3 (patch)
treea35aa6373a88eddb3d13f4fdb7cd3db9bad1a4ee /api/resources/v1/env.py
parent41136dafb30d0c410e92f9f7a7c19eae60f224e2 (diff)
Yardstick API architecture improvement
JIRA: YARDSTICK-710 Since we have the plan to upload api v2 and gui. We need to add put and delete method. So the architecture need to be improved. Change-Id: Ie20a79c26ef6c581897ce4e63980fa2895b162d2 Signed-off-by: chenjiankun <chenjiankun1@huawei.com>
Diffstat (limited to 'api/resources/v1/env.py')
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diff --git a/api/resources/v1/env.py b/api/resources/v1/env.py
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+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# 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
+##############################################################################
+from __future__ import absolute_import
+
+import errno
+import logging
+import os
+import subprocess
+import threading
+import time
+import uuid
+import glob
+import yaml
+import collections
+
+from six.moves import configparser
+from oslo_serialization import jsonutils
+from docker import Client
+
+from api.database.v1.handlers import AsyncTaskHandler
+from api.utils import influx
+from api import ApiResource
+from yardstick.common import constants as consts
+from yardstick.common import utils
+from yardstick.common.utils import result_handler
+from yardstick.common import openstack_utils
+from yardstick.common.httpClient import HttpClient
+
+
+LOG = logging.getLogger(__name__)
+LOG.setLevel(logging.DEBUG)
+
+async_handler = AsyncTaskHandler()
+
+
+class V1Env(ApiResource):
+
+ def post(self):
+ return self._dispatch_post()
+
+ def create_grafana(self, args):
+ task_id = str(uuid.uuid4())
+
+ thread = threading.Thread(target=self._create_grafana, args=(task_id,))
+ thread.start()
+
+ return result_handler(consts.API_SUCCESS, {'task_id': task_id})
+
+ def _create_grafana(self, task_id):
+ self._create_task(task_id)
+
+ client = Client(base_url=consts.DOCKER_URL)
+
+ try:
+ LOG.info('Checking if grafana image exist')
+ image = '{}:{}'.format(consts.GRAFANA_IMAGE, consts.GRAFANA_TAG)
+ if not self._check_image_exist(client, image):
+ LOG.info('Grafana image not exist, start pulling')
+ client.pull(consts.GRAFANA_IMAGE, consts.GRAFANA_TAG)
+
+ LOG.info('Createing grafana container')
+ self._create_grafana_container(client)
+ LOG.info('Grafana container is created')
+
+ time.sleep(5)
+
+ LOG.info('Creating data source for grafana')
+ self._create_data_source()
+
+ LOG.info('Creating dashboard for grafana')
+ self._create_dashboard()
+
+ self._update_task_status(task_id)
+ LOG.info('Finished')
+ except Exception as e:
+ self._update_task_error(task_id, str(e))
+ LOG.exception('Create grafana failed')
+
+ def _create_dashboard(self):
+ url = 'http://admin:admin@%s:3000/api/dashboards/db' % consts.GRAFANA_IP
+ path = os.path.join(consts.REPOS_DIR, 'dashboard', '*dashboard.json')
+
+ for i in sorted(glob.iglob(path)):
+ with open(i) as f:
+ data = jsonutils.load(f)
+ try:
+ HttpClient().post(url, data)
+ except Exception:
+ LOG.exception('Create dashboard %s failed', i)
+ raise
+
+ def _create_data_source(self):
+ url = 'http://admin:admin@%s:3000/api/datasources' % consts.GRAFANA_IP
+ data = {
+ "name": "yardstick",
+ "type": "influxdb",
+ "access": "proxy",
+ "url": "http://%s:8086" % consts.INFLUXDB_IP,
+ "password": "root",
+ "user": "root",
+ "database": "yardstick",
+ "basicAuth": True,
+ "basicAuthUser": "admin",
+ "basicAuthPassword": "admin",
+ "isDefault": False,
+ }
+ try:
+ HttpClient().post(url, data)
+ except Exception:
+ LOG.exception('Create datasources failed')
+ raise
+
+ def _create_grafana_container(self, client):
+ ports = [3000]
+ port_bindings = {k: k for k in ports}
+ restart_policy = {"MaximumRetryCount": 0, "Name": "always"}
+ host_config = client.create_host_config(port_bindings=port_bindings,
+ restart_policy=restart_policy)
+
+ LOG.info('Creating container')
+ container = client.create_container(image='%s:%s' %
+ (consts.GRAFANA_IMAGE,
+ consts.GRAFANA_TAG),
+ ports=ports,
+ detach=True,
+ tty=True,
+ host_config=host_config)
+ LOG.info('Starting container')
+ client.start(container)
+
+ def _check_image_exist(self, client, t):
+ return any(t in a['RepoTags'][0]
+ for a in client.images() if a['RepoTags'])
+
+ def create_influxdb(self, args):
+ task_id = str(uuid.uuid4())
+
+ thread = threading.Thread(target=self._create_influxdb, args=(task_id,))
+ thread.start()
+
+ return result_handler(consts.API_SUCCESS, {'task_id': task_id})
+
+ def _create_influxdb(self, task_id):
+ self._create_task(task_id)
+
+ client = Client(base_url=consts.DOCKER_URL)
+
+ try:
+ LOG.info('Changing output to influxdb')
+ self._change_output_to_influxdb()
+
+ LOG.info('Checking if influxdb image exist')
+ if not self._check_image_exist(client, '%s:%s' %
+ (consts.INFLUXDB_IMAGE,
+ consts.INFLUXDB_TAG)):
+ LOG.info('Influxdb image not exist, start pulling')
+ client.pull(consts.INFLUXDB_IMAGE, tag=consts.INFLUXDB_TAG)
+
+ LOG.info('Createing influxdb container')
+ self._create_influxdb_container(client)
+ LOG.info('Influxdb container is created')
+
+ time.sleep(5)
+
+ LOG.info('Config influxdb')
+ self._config_influxdb()
+
+ self._update_task_status(task_id)
+
+ LOG.info('Finished')
+ except Exception as e:
+ self._update_task_error(task_id, str(e))
+ LOG.exception('Creating influxdb failed')
+
+ def _create_influxdb_container(self, client):
+
+ ports = [8083, 8086]
+ port_bindings = {k: k for k in ports}
+ restart_policy = {"MaximumRetryCount": 0, "Name": "always"}
+ host_config = client.create_host_config(port_bindings=port_bindings,
+ restart_policy=restart_policy)
+
+ LOG.info('Creating container')
+ container = client.create_container(image='%s:%s' %
+ (consts.INFLUXDB_IMAGE,
+ consts.INFLUXDB_TAG),
+ ports=ports,
+ detach=True,
+ tty=True,
+ host_config=host_config)
+ LOG.info('Starting container')
+ client.start(container)
+
+ def _config_influxdb(self):
+ try:
+ client = influx.get_data_db_client()
+ client.create_user(consts.INFLUXDB_USER,
+ consts.INFLUXDB_PASS,
+ consts.INFLUXDB_DB_NAME)
+ client.create_database(consts.INFLUXDB_DB_NAME)
+ LOG.info('Success to config influxDB')
+ except Exception:
+ LOG.exception('Config influxdb failed')
+
+ def _change_output_to_influxdb(self):
+ utils.makedirs(consts.CONF_DIR)
+
+ parser = configparser.ConfigParser()
+ LOG.info('Reading output sample configuration')
+ parser.read(consts.CONF_SAMPLE_FILE)
+
+ LOG.info('Set dispatcher to influxdb')
+ parser.set('DEFAULT', 'dispatcher', 'influxdb')
+ parser.set('dispatcher_influxdb', 'target',
+ 'http://%s:8086' % consts.INFLUXDB_IP)
+
+ LOG.info('Writing to %s', consts.CONF_FILE)
+ with open(consts.CONF_FILE, 'w') as f:
+ parser.write(f)
+
+ def prepare_env(self, args):
+ task_id = str(uuid.uuid4())
+
+ thread = threading.Thread(target=self._prepare_env_daemon,
+ args=(task_id,))
+ thread.start()
+
+ return result_handler(consts.API_SUCCESS, {'task_id': task_id})
+
+ def _already_source_openrc(self):
+ """Check if openrc is sourced already"""
+ return all(os.environ.get(k) for k in ['OS_AUTH_URL',
+ 'OS_USERNAME',
+ 'OS_PASSWORD',
+ 'EXTERNAL_NETWORK'])
+
+ def _prepare_env_daemon(self, task_id):
+ self._create_task(task_id)
+
+ try:
+ self._create_directories()
+
+ rc_file = consts.OPENRC
+
+ LOG.info('Checkout Openrc Environment variable')
+ if not self._already_source_openrc():
+ LOG.info('Openrc variable not found in Environment')
+ if not os.path.exists(rc_file):
+ LOG.info('Openrc file not found')
+ installer_ip = os.environ.get('INSTALLER_IP',
+ '192.168.200.2')
+ installer_type = os.environ.get('INSTALLER_TYPE', 'compass')
+ LOG.info('Getting openrc file from %s', installer_type)
+ self._get_remote_rc_file(rc_file,
+ installer_ip,
+ installer_type)
+ LOG.info('Source openrc file')
+ self._source_file(rc_file)
+ LOG.info('Appending external network')
+ self._append_external_network(rc_file)
+ LOG.info('Openrc file exist, source openrc file')
+ self._source_file(rc_file)
+
+ LOG.info('Cleaning images')
+ self._clean_images()
+
+ LOG.info('Loading images')
+ self._load_images()
+
+ self._update_task_status(task_id)
+ LOG.info('Finished')
+ except Exception as e:
+ self._update_task_error(task_id, str(e))
+ LOG.exception('Prepare env failed')
+
+ def _create_directories(self):
+ utils.makedirs(consts.CONF_DIR)
+
+ def _source_file(self, rc_file):
+ utils.source_env(rc_file)
+
+ def _get_remote_rc_file(self, rc_file, installer_ip, installer_type):
+
+ os_fetch_script = os.path.join(consts.RELENG_DIR, consts.FETCH_SCRIPT)
+
+ try:
+ cmd = [os_fetch_script, '-d', rc_file, '-i', installer_type,
+ '-a', installer_ip]
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+ p.communicate()
+
+ if p.returncode != 0:
+ LOG.error('Failed to fetch credentials from installer')
+ except OSError as e:
+ if e.errno != errno.EEXIST:
+ raise
+
+ def _append_external_network(self, rc_file):
+ neutron_client = openstack_utils.get_neutron_client()
+ networks = neutron_client.list_networks()['networks']
+ try:
+ ext_network = next(n['name']
+ for n in networks if n['router:external'])
+ except StopIteration:
+ LOG.warning("Can't find external network")
+ else:
+ cmd = 'export EXTERNAL_NETWORK=%s' % ext_network
+ try:
+ with open(rc_file, 'a') as f:
+ f.write(cmd + '\n')
+ except OSError as e:
+ if e.errno != errno.EEXIST:
+ raise
+
+ def _clean_images(self):
+ cmd = [consts.CLEAN_IMAGES_SCRIPT]
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE, cwd=consts.REPOS_DIR)
+ output = p.communicate()[0]
+ LOG.debug(output)
+
+ def _load_images(self):
+ cmd = [consts.LOAD_IMAGES_SCRIPT]
+ p = subprocess.Popen(cmd, stdout=subprocess.PIPE, cwd=consts.REPOS_DIR)
+ output = p.communicate()[0]
+ LOG.debug(output)
+
+ def _create_task(self, task_id):
+ async_handler.insert({'status': 0, 'task_id': task_id})
+
+ def _update_task_status(self, task_id):
+ async_handler.update_attr(task_id, {'status': 1})
+
+ def _update_task_error(self, task_id, error):
+ async_handler.update_attr(task_id, {'status': 2, 'error': error})
+
+ def update_openrc(self, args):
+ try:
+ openrc_vars = args['openrc']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'openrc must be provided')
+ else:
+ if not isinstance(openrc_vars, collections.Mapping):
+ return result_handler(consts.API_ERROR, 'args should be a dict')
+
+ lines = ['export {}={}\n'.format(k, v) for k, v in openrc_vars.items()]
+ LOG.debug('Writing: %s', ''.join(lines))
+
+ LOG.info('Writing openrc: Writing')
+ utils.makedirs(consts.CONF_DIR)
+
+ with open(consts.OPENRC, 'w') as f:
+ f.writelines(lines)
+ LOG.info('Writing openrc: Done')
+
+ LOG.info('Source openrc: Sourcing')
+ try:
+ self._source_file(consts.OPENRC)
+ except Exception as e:
+ LOG.exception('Failed to source openrc')
+ return result_handler(consts.API_ERROR, str(e))
+ LOG.info('Source openrc: Done')
+
+ return result_handler(consts.API_SUCCESS, {'openrc': openrc_vars})
+
+ def upload_pod_file(self, args):
+ try:
+ pod_file = args['file']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'file must be provided')
+
+ LOG.info('Checking file')
+ data = yaml.load(pod_file.read())
+ if not isinstance(data, collections.Mapping):
+ return result_handler(consts.API_ERROR, 'invalid yaml file')
+
+ LOG.info('Writing file')
+ with open(consts.POD_FILE, 'w') as f:
+ yaml.dump(data, f, default_flow_style=False)
+ LOG.info('Writing finished')
+
+ return result_handler(consts.API_SUCCESS, {'pod_info': data})
+
+ def update_pod_file(self, args):
+ try:
+ pod_dic = args['pod']
+ except KeyError:
+ return result_handler(consts.API_ERROR, 'pod must be provided')
+ else:
+ if not isinstance(pod_dic, collections.Mapping):
+ return result_handler(consts.API_ERROR, 'pod should be a dict')
+
+ LOG.info('Writing file')
+ with open(consts.POD_FILE, 'w') as f:
+ yaml.dump(pod_dic, f, default_flow_style=False)
+ LOG.info('Writing finished')
+
+ return result_handler(consts.API_SUCCESS, {'pod_info': pod_dic})
+
+ def update_hosts(self, hosts_ip):
+ if not isinstance(hosts_ip, collections.Mapping):
+ return result_handler(consts.API_ERROR, 'args should be a dict')
+ LOG.info('Writing hosts: Writing')
+ LOG.debug('Writing: %s', hosts_ip)
+ cmd = ["sudo", "python", "write_hosts.py"]
+ p = subprocess.Popen(cmd,
+ stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE,
+ cwd=os.path.join(consts.REPOS_DIR,
+ "api/resources"))
+ _, err = p.communicate(jsonutils.dumps(hosts_ip))
+ if p.returncode != 0:
+ return result_handler(consts.API_ERROR, err)
+ LOG.info('Writing hosts: Done')
+ return result_handler(consts.API_SUCCESS, 'success')