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Diffstat (limited to 'opnfv/deployment/manager.py')
| -rw-r--r-- | opnfv/deployment/manager.py | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/opnfv/deployment/manager.py b/opnfv/deployment/manager.py new file mode 100644 index 0000000..f0e4429 --- /dev/null +++ b/opnfv/deployment/manager.py @@ -0,0 +1,299 @@ +############################################################################## +# Copyright (c) 2017 Ericsson AB and others. +# Author: Jose Lausuch (jose.lausuch@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 +############################################################################## + +from abc import abstractmethod +import os + + +from opnfv.utils import opnfv_logger as logger +from opnfv.utils import ssh_utils + +logger = logger.Logger(__name__).getLogger() + + +class Deployment(object): + + def __init__(self, + installer, + installer_ip, + scenario, + pod, + status, + openstack_version, + sdn_controller, + nodes=[]): + + self.deployment_info = { + 'installer': installer, + 'installer_ip': installer_ip, + 'scenario': scenario, + 'pod': pod, + 'status': status, + 'openstack_version': openstack_version, + 'sdn_controller': sdn_controller, + 'nodes': nodes + } + + def _get_openstack_release(self): + ''' + Translates an openstack version into the release name + ''' + os_versions = { + '12': 'Liberty', + '13': 'Mitaka', + '14': 'Newton', + '15': 'Ocata', + '16': 'Pike', + '17': 'Queens' + } + try: + version = self.deployment_info['openstack_version'].split('.')[0] + name = os_versions[version] + return name + except Exception as e: + return 'Unknown release' + + def get_dict(self): + ''' + Returns a dictionary will all the attributes + ''' + return self.deployment_info + + def __str__(self): + ''' + Override of the str method + ''' + s = ''' + INSTALLER: {installer} + SCENARIO: {scenario} + INSTALLER IP: {installer_ip} + POD: {pod} + STATUS: {status} + OPENSTACK: {openstack_version} ({openstack_release}) + SDN: {sdn_controller} + NODES: + '''.format(installer=self.deployment_info['installer'], + scenario=self.deployment_info['scenario'], + installer_ip=self.deployment_info['installer_ip'], + pod=self.deployment_info['pod'], + status=self.deployment_info['status'], + openstack_version=self.deployment_info[ + 'openstack_version'], + openstack_release=self._get_openstack_release(), + sdn_controller=self.deployment_info['sdn_controller']) + + for node in self.deployment_info['nodes']: + s += '\t\t{node_object}\n'.format(node_object=node) + + return s + + +class Node(object): + + STATUS_OK = 'active' + STATUS_INACTIVE = 'inactive' + STATUS_OFFLINE = 'offline' + STATUS_FAILED = 'failed' + + def __init__(self, + id, + ip, + name, + status, + roles, + ssh_client, + info={}): + self.id = id + self.ip = ip + self.name = name + self.status = status + self.ssh_client = ssh_client + self.roles = roles + self.info = info + + def get_file(self, src, dest): + ''' + SCP file from a node + ''' + if self.status is not Node.STATUS_OK: + logger.info("The node %s is not active" % self.ip) + return 1 + logger.info("Fetching %s from %s" % (src, self.ip)) + get_file_result = ssh_utils.get_file(self.ssh_client, src, dest) + if get_file_result is None: + logger.error("SFTP failed to retrieve the file.") + else: + logger.info("Successfully copied %s:%s to %s" % + (self.ip, src, dest)) + return get_file_result + + def put_file(self, src, dest): + ''' + SCP file to a node + ''' + if self.status is not Node.STATUS_OK: + logger.info("The node %s is not active" % self.ip) + return 1 + logger.info("Copying %s to %s" % (src, self.ip)) + put_file_result = ssh_utils.put_file(self.ssh_client, src, dest) + if put_file_result is None: + logger.error("SFTP failed to retrieve the file.") + else: + logger.info("Successfully copied %s to %s:%s" % + (src, dest, self.ip)) + return put_file_result + + def run_cmd(self, cmd): + ''' + Run command remotely on a node + ''' + if self.status is not Node.STATUS_OK: + logger.info("The node %s is not active" % self.ip) + return 1 + _, stdout, stderr = (self.ssh_client.exec_command(cmd)) + error = stderr.readlines() + if len(error) > 0: + logger.error("error %s" % ''.join(error)) + return error + output = ''.join(stdout.readlines()).rstrip() + return output + + def get_dict(self): + ''' + Returns a dictionary with all the attributes + ''' + return { + 'id': self.id, + 'ip': self.ip, + 'name': self.name, + 'status': self.status, + 'roles': self.roles, + 'info': self.info + } + + def get_attribute(self, attribute): + ''' + Returns an attribute given the name + ''' + return self.get_dict()[attribute] + + def is_controller(self): + ''' + Returns if the node is a controller + ''' + if 'controller' in self.get_attribute('roles'): + return True + return False + + def is_compute(self): + ''' + Returns if the node is a compute + ''' + if 'compute' in self.get_attribute('roles'): + return True + return False + + def __str__(self): + return str(self.get_dict()) + + +class DeploymentHandler(object): + + EX_OK = os.EX_OK + EX_ERROR = os.EX_SOFTWARE + FUNCTION_NOT_IMPLEMENTED = "Function not implemented by adapter!" + + def __init__(self, + installer, + installer_ip, + installer_user, + installer_pwd=None, + pkey_file=None): + + self.installer = installer.lower() + self.installer_ip = installer_ip + self.installer_user = installer_user + self.installer_pwd = installer_pwd + self.pkey_file = pkey_file + + 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) + + self.installer_connection = ssh_utils.get_ssh_client( + hostname=self.installer_ip, + username=self.installer_user, + password=self.installer_pwd, + pkey_file=self.pkey_file) + + if self.installer_connection: + self.installer_node = Node(id='', + ip=installer_ip, + name=installer, + status='active', + ssh_client=self.installer_connection, + roles='installer node') + else: + raise Exception( + 'Cannot establish connection to the installer node!') + + self.nodes = self.nodes() + + @abstractmethod + def get_openstack_version(self): + ''' + Returns a string of the openstack version (nova-compute) + ''' + raise Exception(DeploymentHandler.FUNCTION_NOT_IMPLEMENTED) + + @abstractmethod + def get_sdn_version(self): + ''' + Returns a string of the sdn controller and its version, if exists + ''' + raise Exception(DeploymentHandler.FUNCTION_NOT_IMPLEMENTED) + + @abstractmethod + def get_deployment_status(self): + ''' + Returns a string of the status of the deployment + ''' + raise Exception(DeploymentHandler.FUNCTION_NOT_IMPLEMENTED) + + @abstractmethod + def nodes(self, options=None): + ''' + Generates a list of all the nodes in the deployment + ''' + raise Exception(DeploymentHandler.FUNCTION_NOT_IMPLEMENTED) + + def get_nodes(self, options=None): + ''' + Returns the list of Node objects + ''' + return self.nodes + + def get_installer_node(self): + ''' + Returns the installer node object + ''' + return self.installer_node + + def get_deployment_info(self): + ''' + Returns an object of type Deployment + ''' + return Deployment(installer=self.installer, + installer_ip=self.installer_ip, + scenario=os.getenv('DEPLOY_SCENARIO', 'Unknown'), + status=self.get_deployment_status(), + pod=os.getenv('NODE_NAME', 'Unknown'), + openstack_version=self.get_openstack_version(), + sdn_controller=self.get_sdn_version(), + nodes=self.nodes) |