vimconn implement an Abstract class for the vim connector plugins
with the definition of the method to be implemented.
"""
-__author__="Alfonso Tierno, Igor D.C."
-__date__ ="$14-aug-2017 23:59:59$"
import logging
import paramiko
import sys
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
+from utils import deprecated
+
+__author__ = "Alfonso Tierno, Igor D.C."
+__date__ = "$14-aug-2017 23:59:59$"
#Error variables
HTTP_Bad_Request = 400
HTTP_Service_Unavailable = 503
HTTP_Internal_Server_Error = 500
+
class vimconnException(Exception):
"""Common and base class Exception for all vimconnector exceptions"""
def __init__(self, message, http_code=HTTP_Bad_Request):
Exception.__init__(self, message)
self.http_code = http_code
+
class vimconnConnectionException(vimconnException):
"""Connectivity error with the VIM"""
def __init__(self, message, http_code=HTTP_Service_Unavailable):
vimconnException.__init__(self, message, http_code)
-
+
+
class vimconnUnexpectedResponse(vimconnException):
"""Get an wrong response from VIM"""
def __init__(self, message, http_code=HTTP_Service_Unavailable):
vimconnException.__init__(self, message, http_code)
+
class vimconnAuthException(vimconnException):
"""Invalid credentials or authorization to perform this action over the VIM"""
def __init__(self, message, http_code=HTTP_Unauthorized):
vimconnException.__init__(self, message, http_code)
+
class vimconnNotFoundException(vimconnException):
"""The item is not found at VIM"""
def __init__(self, message, http_code=HTTP_Not_Found):
vimconnException.__init__(self, message, http_code)
+
class vimconnConflictException(vimconnException):
"""There is a conflict, e.g. more item found than one"""
def __init__(self, message, http_code=HTTP_Conflict):
vimconnException.__init__(self, message, http_code)
+
class vimconnNotSupportedException(vimconnException):
"""The request is not supported by connector"""
def __init__(self, message, http_code=HTTP_Service_Unavailable):
vimconnException.__init__(self, message, http_code)
+
class vimconnNotImplemented(vimconnException):
"""The method is not implemented by the connected"""
def __init__(self, message, http_code=HTTP_Not_Implemented):
"""
def __init__(self, uuid, name, tenant_id, tenant_name, url, url_admin=None, user=None, passwd=None, log_level=None,
config={}, persitent_info={}):
- """Constructor of VIM
- Params:
- 'uuid': id asigned to this VIM
- 'name': name assigned to this VIM, can be used for logging
- 'tenant_id', 'tenant_name': (only one of them is mandatory) VIM tenant to be used
- 'url_admin': (optional), url used for administrative tasks
- 'user', 'passwd': credentials of the VIM user
- 'log_level': provider if it should use a different log_level than the general one
- 'config': dictionary with extra VIM information. This contains a consolidate version of general VIM config
- at creation and particular VIM config at teh attachment
- 'persistent_info': dict where the class can store information that will be available among class
+ """
+ Constructor of VIM. Raise an exception is some needed parameter is missing, but it must not do any connectivity
+ checking against the VIM
+ :param uuid: internal id of this VIM
+ :param name: name assigned to this VIM, can be used for logging
+ :param tenant_id: 'tenant_id': (only one of them is mandatory) VIM tenant to be used
+ :param tenant_name: 'tenant_name': (only one of them is mandatory) VIM tenant to be used
+ :param url: url used for normal operations
+ :param url_admin: (optional), url used for administrative tasks
+ :param user: user to access
+ :param passwd: password
+ :param log_level: provided if it should use a different log_level than the general one
+ :param config: dictionary with extra VIM information. This contains a consolidate version of VIM config
+ at VIM_ACCOUNT (attach)
+ :param persitent_info: dict where the class can store information that will be available among class
destroy/creation cycles. This info is unique per VIM/credential. At first call it will contain an
empty dict. Useful to store login/tokens information for speed up communication
- Returns: Raise an exception is some needed parameter is missing, but it must not do any connectivity
- check against the VIM
"""
- self.id = uuid
- self.name = name
- self.url = url
+ self.id = uuid
+ self.name = name
+ self.url = url
self.url_admin = url_admin
self.tenant_id = tenant_id
self.tenant_name = tenant_name
- self.user = user
- self.passwd = passwd
- self.config = config
+ self.user = user
+ self.passwd = passwd
+ self.config = config or {}
self.availability_zone = None
self.logger = logging.getLogger('openmano.vim')
if log_level:
- self.logger.setLevel( getattr(logging, log_level) )
- if not self.url_admin: #try to use normal url
+ self.logger.setLevel(getattr(logging, log_level))
+ if not self.url_admin: # try to use normal url
self.url_admin = self.url
- def __getitem__(self,index):
- if index=='tenant_id':
+ def __getitem__(self, index):
+ if index == 'tenant_id':
return self.tenant_id
- if index=='tenant_name':
+ if index == 'tenant_name':
return self.tenant_name
- elif index=='id':
+ elif index == 'id':
return self.id
- elif index=='name':
+ elif index == 'name':
return self.name
- elif index=='user':
+ elif index == 'user':
return self.user
- elif index=='passwd':
+ elif index == 'passwd':
return self.passwd
- elif index=='url':
+ elif index == 'url':
return self.url
- elif index=='url_admin':
+ elif index == 'url_admin':
return self.url_admin
- elif index=="config":
+ elif index == "config":
return self.config
else:
- raise KeyError("Invalid key '%s'" %str(index))
+ raise KeyError("Invalid key '{}'".format(index))
- def __setitem__(self,index, value):
- if index=='tenant_id':
+ def __setitem__(self, index, value):
+ if index == 'tenant_id':
self.tenant_id = value
- if index=='tenant_name':
+ if index == 'tenant_name':
self.tenant_name = value
- elif index=='id':
+ elif index == 'id':
self.id = value
- elif index=='name':
+ elif index == 'name':
self.name = value
- elif index=='user':
+ elif index == 'user':
self.user = value
- elif index=='passwd':
+ elif index == 'passwd':
self.passwd = value
- elif index=='url':
+ elif index == 'url':
self.url = value
- elif index=='url_admin':
+ elif index == 'url_admin':
self.url_admin = value
else:
- raise KeyError("Invalid key '%s'" %str(index))
+ raise KeyError("Invalid key '{}'".format(index))
@staticmethod
def _create_mimemultipart(content_list):
combined_message = MIMEMultipart()
for content in content_list:
if content.startswith('#include'):
- format = 'text/x-include-url'
+ mime_format = 'text/x-include-url'
elif content.startswith('#include-once'):
- format = 'text/x-include-once-url'
+ mime_format = 'text/x-include-once-url'
elif content.startswith('#!'):
- format = 'text/x-shellscript'
+ mime_format = 'text/x-shellscript'
elif content.startswith('#cloud-config'):
- format = 'text/cloud-config'
+ mime_format = 'text/cloud-config'
elif content.startswith('#cloud-config-archive'):
- format = 'text/cloud-config-archive'
+ mime_format = 'text/cloud-config-archive'
elif content.startswith('#upstart-job'):
- format = 'text/upstart-job'
+ mime_format = 'text/upstart-job'
elif content.startswith('#part-handler'):
- format = 'text/part-handler'
+ mime_format = 'text/part-handler'
elif content.startswith('#cloud-boothook'):
- format = 'text/cloud-boothook'
+ mime_format = 'text/cloud-boothook'
else: # by default
- format = 'text/x-shellscript'
- sub_message = MIMEText(content, format, sys.getdefaultencoding())
+ mime_format = 'text/x-shellscript'
+ sub_message = MIMEText(content, mime_format, sys.getdefaultencoding())
combined_message.attach(sub_message)
return combined_message.as_string()
else:
for u in cloud_config["user-data"]:
userdata_list.append(u)
- if cloud_config.get("boot-data-drive") != None:
+ if cloud_config.get("boot-data-drive") is not None:
config_drive = cloud_config["boot-data-drive"]
if cloud_config.get("config-files") or cloud_config.get("users") or cloud_config.get("key-pairs"):
userdata_dict = {}
def check_vim_connectivity(self):
"""Checks VIM can be reached and user credentials are ok.
- Returns None if success or raised vimconnConnectionException, vimconnAuthException, ...
+ Returns None if success or raises vimconnConnectionException, vimconnAuthException, ...
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ # by default no checking until each connector implements it
+ return None
- def new_tenant(self,tenant_name,tenant_description):
+ def new_tenant(self, tenant_name, tenant_description):
"""Adds a new tenant to VIM with this name and description, this is done using admin_url if provided
"tenant_name": string max lenght 64
"tenant_description": string max length 256
returns the tenant identifier or raise exception
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
- def delete_tenant(self,tenant_id,):
+ def delete_tenant(self, tenant_id):
"""Delete a tenant from VIM
tenant_id: returned VIM tenant_id on "new_tenant"
Returns None on success. Raises and exception of failure. If tenant is not found raises vimconnNotFoundException
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_tenant_list(self, filter_dict={}):
"""Obtain tenants of VIM
Returns the tenant list of dictionaries, and empty list if no tenant match all the filers:
[{'name':'<name>, 'id':'<id>, ...}, ...]
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def new_network(self, net_name, net_type, ip_profile=None, shared=False, vlan=None):
"""Adds a tenant network to VIM
Format is vimconnector dependent, but do not use nested dictionaries and a value of None should be the same
as not present.
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_network_list(self, filter_dict={}):
"""Obtain tenant networks of VIM
List can be empty if no network map the filter_dict. Raise an exception only upon VIM connectivity,
authorization, or some other unspecific error
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_network(self, net_id):
"""Obtain network details from the 'net_id' VIM network
other VIM specific fields: (optional) whenever possible using the same naming of filter_dict param
Raises an exception upon error or when network is not found
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def delete_network(self, net_id, created_items=None):
"""
:param created_items: dictionary with extra items to be deleted. provided by method new_network
Returns the network identifier or raises an exception upon error or when network is not found
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def refresh_nets_status(self, net_list):
"""Get the status of the networks
vim_info: #Text with plain information obtained from vim (yaml.safe_dump)
'net_id2': ...
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_flavor(self, flavor_id):
"""Obtain flavor details from the VIM
Returns the flavor dict details {'id':<>, 'name':<>, other vim specific }
Raises an exception upon error or if not found
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_flavor_id_from_data(self, flavor_dict):
"""Obtain flavor id that match the flavor description
#TODO: complete parameters for EPA
Returns the flavor_id or raises a vimconnNotFoundException
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def new_flavor(self, flavor_data):
"""Adds a tenant flavor to VIM
is_public:
#TODO to concrete
Returns the flavor identifier"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def delete_flavor(self, flavor_id):
"""Deletes a tenant flavor from VIM identify by its id
Returns the used id or raise an exception"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def new_image(self, image_dict):
""" Adds a tenant image to VIM
Returns the image id or raises an exception if failed
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def delete_image(self, image_id):
"""Deletes a tenant image from VIM
Returns the image_id if image is deleted or raises an exception on error"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_image_id_from_path(self, path):
"""Get the image id from image path in the VIM database.
Returns the image_id or raises a vimconnNotFoundException
"""
- raise vimconnNotImplemented( "Should have implemented this" )
+ raise vimconnNotImplemented("Should have implemented this")
def get_image_list(self, filter_dict={}):
"""Obtain tenant images from VIM
"""
raise vimconnNotImplemented( "Should have implemented this" )
+ def inject_user_key(self, ip_addr=None, user=None, key=None, ro_key=None, password=None):
+ """
+ Inject a ssh public key in a VM
+ Params:
+ ip_addr: ip address of the VM
+ user: username (default-user) to enter in the VM
+ key: public key to be injected in the VM
+ ro_key: private key of the RO, used to enter in the VM if the password is not provided
+ password: password of the user to enter in the VM
+ The function doesn't return a value:
+ """
+ if not ip_addr or not user:
+ raise vimconnNotSupportedException("All parameters should be different from 'None'")
+ elif not ro_key and not password:
+ raise vimconnNotSupportedException("All parameters should be different from 'None'")
+ else:
+ commands = {'mkdir -p ~/.ssh/', 'echo "%s" >> ~/.ssh/authorized_keys' % key,
+ 'chmod 644 ~/.ssh/authorized_keys', 'chmod 700 ~/.ssh/'}
+ client = paramiko.SSHClient()
+ try:
+ if ro_key:
+ pkey = paramiko.RSAKey.from_private_key(StringIO.StringIO(ro_key))
+ else:
+ pkey = None
+ client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+ client.connect(ip_addr, username=user, password=password, pkey=pkey, timeout=10)
+ for command in commands:
+ (i, o, e) = client.exec_command(command, timeout=10)
+ returncode = o.channel.recv_exit_status()
+ output = o.read()
+ outerror = e.read()
+ if returncode != 0:
+ text = "run_command='{}' Error='{}'".format(command, outerror)
+ raise vimconnUnexpectedResponse("Cannot inject ssh key in VM: '{}'".format(text))
+ return
+ except (socket.error, paramiko.AuthenticationException, paramiko.SSHException) as message:
+ raise vimconnUnexpectedResponse(
+ "Cannot inject ssh key in VM: '{}' - {}".format(ip_addr, str(message)))
+ return
+
+# Optional methods
+
+ def new_tenant(self,tenant_name,tenant_description):
+ """Adds a new tenant to VIM with this name and description, this is done using admin_url if provided
+ "tenant_name": string max lenght 64
+ "tenant_description": string max length 256
+ returns the tenant identifier or raise exception
+ """
+ raise vimconnNotImplemented( "Should have implemented this" )
+
+ def delete_tenant(self,tenant_id,):
+ """Delete a tenant from VIM
+ tenant_id: returned VIM tenant_id on "new_tenant"
+ Returns None on success. Raises and exception of failure. If tenant is not found raises vimconnNotFoundException
+ """
+ raise vimconnNotImplemented( "Should have implemented this" )
+
+ def get_tenant_list(self, filter_dict=None):
+ """Obtain tenants of VIM
+ filter_dict dictionary that can contain the following keys:
+ name: filter by tenant name
+ id: filter by tenant uuid/id
+ <other VIM specific>
+ Returns the tenant list of dictionaries, and empty list if no tenant match all the filers:
+ [{'name':'<name>, 'id':'<id>, ...}, ...]
+ """
+ raise vimconnNotImplemented( "Should have implemented this" )
+
def new_classification(self, name, ctype, definition):
"""Creates a traffic classification in the VIM
Params:
"""
raise vimconnNotImplemented( "SFC support not implemented" )
-
def new_sfp(self, name, classifications, sfs, sfc_encap=True, spi=None):
"""Creates a service function path
Params:
"""
raise vimconnNotImplemented( "SFC support not implemented" )
- def inject_user_key(self, ip_addr=None, user=None, key=None, ro_key=None, password=None):
- """
- Inject a ssh public key in a VM
- Params:
- ip_addr: ip address of the VM
- user: username (default-user) to enter in the VM
- key: public key to be injected in the VM
- ro_key: private key of the RO, used to enter in the VM if the password is not provided
- password: password of the user to enter in the VM
- The function doesn't return a value:
- """
- if not ip_addr or not user:
- raise vimconnNotSupportedException("All parameters should be different from 'None'")
- elif not ro_key and not password:
- raise vimconnNotSupportedException("All parameters should be different from 'None'")
- else:
- commands = {'mkdir -p ~/.ssh/', 'echo "%s" >> ~/.ssh/authorized_keys' % key,
- 'chmod 644 ~/.ssh/authorized_keys', 'chmod 700 ~/.ssh/'}
- client = paramiko.SSHClient()
- try:
- if ro_key:
- pkey = paramiko.RSAKey.from_private_key(StringIO.StringIO(ro_key))
- else:
- pkey = None
- client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
- client.connect(ip_addr, username=user, password=password, pkey=pkey, timeout=10)
- for command in commands:
- (i, o, e) = client.exec_command(command, timeout=10)
- returncode = o.channel.recv_exit_status()
- output = o.read()
- outerror = e.read()
- if returncode != 0:
- text = "run_command='{}' Error='{}'".format(command, outerror)
- raise vimconnUnexpectedResponse("Cannot inject ssh key in VM: '{}'".format(text))
- return
- except (socket.error, paramiko.AuthenticationException, paramiko.SSHException) as message:
- raise vimconnUnexpectedResponse(
- "Cannot inject ssh key in VM: '{}' - {}".format(ip_addr, str(message)))
- return
-
-
-#NOT USED METHODS in current version
+# NOT USED METHODS in current version. Deprecated
+ @deprecated
def host_vim2gui(self, host, server_dict):
"""Transform host dictionary from VIM format to GUI format,
and append to the server_dict
"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def get_hosts_info(self):
"""Get the information of deployed hosts
Returns the hosts content"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def get_hosts(self, vim_tenant):
"""Get the hosts and deployed instances
Returns the hosts content"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def get_processor_rankings(self):
"""Get the processor rankings in the VIM database"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def new_host(self, host_data):
"""Adds a new host to VIM"""
"""Returns status code of the VIM response"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def new_external_port(self, port_data):
"""Adds a external port to VIM"""
"""Returns the port identifier"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def new_external_network(self,net_name,net_type):
"""Adds a external network to VIM (shared)"""
"""Returns the network identifier"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
+ @deprecated
def connect_port_network(self, port_id, network_id, admin=False):
"""Connects a external port to a network"""
"""Returns status code of the VIM response"""
raise vimconnNotImplemented( "Should have implemented this" )
+ @deprecated
def new_vminstancefromJSON(self, vm_data):
"""Adds a VM instance to VIM"""
"""Returns the instance identifier"""