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#!/usr/bin/env python
# Copyright (c) 2018 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 opnfv.deployment import manager
from opnfv.utils import opnfv_logger as logger
from opnfv.utils import ssh_utils
import yaml
import os
logger = logger.Logger(__name__).getLogger()
class ContainerizedCompassAdapter():
def __init__(self, installer_ip, installer_user, pkey_file):
self.installer = 'compass'
self.installer_ip = installer_ip
self.installer_user = installer_user
self.pkey_file = pkey_file
self.DST_PATH_UC = "/tmp/openstack_user_config.yml"
self.nodes = []
self.ROLES = {}
if pkey_file is not None and not os.path.isfile(pkey_file):
raise Exception(
'The private key file %s does not exist!' % pkey_file)
def _find_nodes(self, file):
nodes = file['compute_hosts']
for compute in nodes:
self.ROLES[compute] = 'compute'
controllers = file['haproxy_hosts']
for controller in controllers:
nodes[controller] = controllers[controller]
self.ROLES[controller] = 'controller'
return nodes
def _process_nodes(self, raw_nodes):
nodes = []
for node in raw_nodes:
name = node
ip = raw_nodes[node]['ip']
status = 'active'
id = None
if self.ROLES[node] == 'controller':
roles = 'controller'
elif self.ROLES[node] == 'compute':
roles = 'compute'
ssh_client = ssh_utils.get_ssh_client(hostname=ip,
username=self.installer_user,
pkey_file=self.pkey_file)
node = manager.Node(id, ip, name, status, roles, ssh_client)
nodes.append(node)
return nodes
def get_nodes(self, options=None):
try:
# if we have retrieved previously all the nodes, don't do it again
# This fails the first time when the constructor calls this method
# therefore the try/except
if len(self.nodes) > 0:
return self.nodes
except:
pass
with open(self.DST_PATH_UC, 'r') as stream:
try:
file = yaml.load(stream)
raw_nodes = self._find_nodes(file)
except yaml.YAMLError as exc:
logger.error(exc)
self.nodes = self._process_nodes(raw_nodes)
return self.nodes
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