# -*- coding: utf-8 -*-
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
from jsonschema import validate as js_v, exceptions as js_e
+from http import HTTPStatus
__author__ = "Alfonso Tierno <alfonso.tiernosepulveda@telefonica.com>"
__version__ = "0.1"
# Basis schemas
patern_name = "^[ -~]+$"
+nameshort_schema = {"type": "string", "minLength": 1, "maxLength": 60, "pattern": "^[^,;()\\.\\$'\"]+$"}
passwd_schema = {"type": "string", "minLength": 1, "maxLength": 60}
-nameshort_schema = {"type": "string", "minLength": 1, "maxLength": 60, "pattern": "^[^,;()'\"]+$"}
name_schema = {"type": "string", "minLength": 1, "maxLength": 255, "pattern": "^[^,;()'\"]+$"}
+string_schema = {"type": "string", "minLength": 1, "maxLength": 255}
xml_text_schema = {"type": "string", "minLength": 1, "maxLength": 1000, "pattern": "^[^']+$"}
description_schema = {"type": ["string", "null"], "maxLength": 255, "pattern": "^[^'\"]+$"}
-id_schema_fake = {"type": "string", "minLength": 2,
- "maxLength": 36}
+id_schema_fake = {"type": "string", "minLength": 2, "maxLength": 36}
+bool_schema = {"type": "boolean"}
+null_schema = {"type": "null"}
# "pattern": "^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$"
id_schema = {"type": "string", "pattern": "^[a-fA-F0-9]{8}(-[a-fA-F0-9]{4}){3}-[a-fA-F0-9]{12}$"}
-pci_schema = {"type": "string", "pattern": "^[0-9a-fA-F]{4}(:[0-9a-fA-F]{2}){2}\.[0-9a-fA-F]$"}
+time_schema = {"type": "string", "pattern": "^[0-9]{4}-[0-1][0-9]-[0-3][0-9]T[0-2][0-9]([0-5]:){2}"}
+pci_schema = {"type": "string", "pattern": "^[0-9a-fA-F]{4}(:[0-9a-fA-F]{2}){2}\\.[0-9a-fA-F]$"}
+# allows [] for wildcards. For that reason huge length limit is set
+pci_extended_schema = {"type": "string", "pattern": "^[0-9a-fA-F.:-\\[\\]]{12,40}$"}
http_schema = {"type": "string", "pattern": "^https?://[^'\"=]+$"}
bandwidth_schema = {"type": "string", "pattern": "^[0-9]+ *([MG]bps)?$"}
memory_schema = {"type": "string", "pattern": "^[0-9]+ *([MG]i?[Bb])?$"}
integer0_schema = {"type": "integer", "minimum": 0}
integer1_schema = {"type": "integer", "minimum": 1}
-path_schema = {"type": "string", "pattern": "^(\.){0,2}(/[^/\"':{}\(\)]+)+$"}
+path_schema = {"type": "string", "pattern": "^(\\.){0,2}(/[^/\"':{}\\(\\)]+)+$"}
vlan_schema = {"type": "integer", "minimum": 1, "maximum": 4095}
vlan1000_schema = {"type": "integer", "minimum": 1000, "maximum": 4095}
mac_schema = {"type": "string",
"pattern": "^[0-9a-fA-F][02468aceACE](:[0-9a-fA-F]{2}){5}$"} # must be unicast: LSB bit of MSB byte ==0
+dpid_Schema = {"type": "string", "pattern": "^[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){7}$"}
# mac_schema={"type":"string", "pattern":"^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$"}
ip_schema = {"type": "string",
- "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"}
+ "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"}
ip_prefix_schema = {"type": "string",
- "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}"
+ "pattern": "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}"
"(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)/(30|[12]?[0-9])$"}
port_schema = {"type": "integer", "minimum": 1, "maximum": 65534}
object_schema = {"type": "object"}
log_level_schema = {"type": "string", "enum": ["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]}
checksum_schema = {"type": "string", "pattern": "^[0-9a-fA-F]{32}$"}
size_schema = {"type": "integer", "minimum": 1, "maximum": 100}
+array_edition_schema = {
+ "type": "object",
+ "patternProperties": {
+ "^\\$": "Any"
+ },
+ "additionalProperties": False,
+ "minProperties": 1,
+}
+nameshort_list_schema = {
+ "type": "array",
+ "minItems": 1,
+ "items": nameshort_schema,
+}
+
+
+ns_instantiate_vdu = {
+ "title": "ns action instantiate input schema for vdu",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "id": name_schema,
+ "volume": {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "name": name_schema,
+ "vim-volume-id": name_schema,
+ },
+ "required": ["name", "vim-volume-id"],
+ "additionalProperties": False
+ }
+ },
+ "interface": {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "name": name_schema,
+ "ip-address": ip_schema,
+ "mac-address": mac_schema,
+ "floating-ip-required": bool_schema,
+ },
+ "required": ["name"],
+ "additionalProperties": False
+ }
+ }
+ },
+ "required": ["id"],
+ "additionalProperties": False
+}
+
+ip_profile_dns_schema = {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "address": ip_schema,
+ },
+ "required": ["address"],
+ "additionalProperties": False
+ }
+}
+
+ip_profile_dhcp_schema = {
+ "type": "object",
+ "properties": {
+ "enabled": {"type": "boolean"},
+ "count": integer1_schema,
+ "start-address": ip_schema
+ },
+ "additionalProperties": False,
+}
+
+ip_profile_schema = {
+ "title": "ip profile validation schame",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "ip-version": {"enum": ["ipv4", "ipv6"]},
+ "subnet-address": ip_prefix_schema,
+ "gateway-address": ip_schema,
+ "dns-server": ip_profile_dns_schema,
+ "dhcp-params": ip_profile_dhcp_schema,
+ }
+}
+ip_profile_update_schema = {
+ "title": "ip profile validation schame",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "ip-version": {"enum": ["ipv4", "ipv6"]},
+ "subnet-address": {"oneOf": [null_schema, ip_prefix_schema]},
+ "gateway-address": {"oneOf": [null_schema, ip_schema]},
+ "dns-server": {"oneOf": [null_schema, ip_profile_dns_schema]},
+
+ "dhcp-params": {"oneOf": [null_schema, ip_profile_dhcp_schema]},
+ },
+ "additionalProperties": False
+}
+
+ns_instantiate_internal_vld = {
+ "title": "ns action instantiate input schema for vdu",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "name": name_schema,
+ "vim-network-name": name_schema,
+ "ip-profile": ip_profile_update_schema,
+ "internal-connection-point": {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "id-ref": name_schema,
+ "ip-address": ip_schema,
+ # "mac-address": mac_schema,
+ },
+ "required": ["id-ref"],
+ "minProperties": 2,
+ "additionalProperties": False
+ },
+ }
+ },
+ "required": ["name"],
+ "minProperties": 2,
+ "additionalProperties": False
+}
ns_instantiate = {
"title": "ns action instantiate input schema",
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
+ "properties": {
+ "lcmOperationType": string_schema,
+ "nsInstanceId": id_schema,
+ "netsliceInstanceId": id_schema,
+ "nsName": name_schema,
+ "nsDescription": {"oneOf": [description_schema, {"type": "null"}]},
+ "nsdId": id_schema,
+ "vimAccountId": id_schema,
+ "ssh_keys": {"type": "array", "items": {"type": "string"}},
+ "nsr_id": id_schema,
+ "vduImage": name_schema,
+ "vnf": {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "member-vnf-index": name_schema,
+ "vimAccountId": id_schema,
+ "vdu": {
+ "type": "array",
+ "minItems": 1,
+ "items": ns_instantiate_vdu,
+ },
+ "internal-vld": {
+ "type": "array",
+ "minItems": 1,
+ "items": ns_instantiate_internal_vld
+ }
+ },
+ "required": ["member-vnf-index"],
+ "minProperties": 2,
+ "additionalProperties": False
+ }
+ },
+ "vld": {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "name": string_schema,
+ "vim-network-name": {"OneOf": [string_schema, object_schema]},
+ "ip-profile": object_schema,
+ "vnfd-connection-point-ref": {
+ "type": "array",
+ "minItems": 1,
+ "items": {
+ "type": "object",
+ "properties": {
+ "member-vnf-index-ref": name_schema,
+ "vnfd-connection-point-ref": name_schema,
+ "ip-address": ip_schema,
+ # "mac-address": mac_schema,
+ },
+ "required": ["member-vnf-index-ref", "vnfd-connection-point-ref"],
+ "minProperties": 3,
+ "additionalProperties": False
+ },
+ }
+ },
+ "required": ["name"],
+ "additionalProperties": False
+ }
+ },
+ },
+ "required": ["nsName", "nsdId", "vimAccountId"],
+ "additionalProperties": False
}
+
ns_action = { # TODO for the moment it is only contemplated the vnfd primitive execution
- "title": "ns action update input schema",
+ "title": "ns action input schema",
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"properties": {
+ "lcmOperationType": string_schema,
+ "nsInstanceId": id_schema,
"member_vnf_index": name_schema,
"vnf_member_index": name_schema, # TODO for backward compatibility. To remove in future
+ "vdu_id": name_schema,
"primitive": name_schema,
"primitive_params": {"type": "object"},
},
"required": ["primitive", "primitive_params"], # TODO add member_vnf_index
"additionalProperties": False
}
+ns_scale = { # TODO for the moment it is only VDU-scaling
+ "title": "ns scale input schema",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "lcmOperationType": string_schema,
+ "nsInstanceId": id_schema,
+ "scaleType": {"enum": ["SCALE_VNF"]},
+ "scaleVnfData": {
+ "type": "object",
+ "properties": {
+ "vnfInstanceId": name_schema,
+ "scaleVnfType": {"enum": ["SCALE_OUT", 'SCALE_IN']},
+ "scaleByStepData": {
+ "type": "object",
+ "properties": {
+ "scaling-group-descriptor": name_schema,
+ "member-vnf-index": name_schema,
+ "scaling-policy": name_schema,
+ },
+ "required": ["scaling-group-descriptor", "member-vnf-index"],
+ "additionalProperties": False
+ },
+ },
+ "required": ["scaleVnfType", "scaleByStepData"], # vnfInstanceId
+ "additionalProperties": False
+ },
+ "scaleTime": time_schema,
+ },
+ "required": ["scaleType", "scaleVnfData"],
+ "additionalProperties": False
+}
schema_version = {"type": "string", "enum": ["1.0"]}
"vim_tenant": name_schema,
"vim_tenant_name": name_schema,
"vim_username": nameshort_schema,
- "vim_password": nameshort_schema,
+ "vim_password": passwd_schema,
"config": {"type": "object"}
},
"additionalProperties": False
# "vim_tenant": name_schema,
"vim_tenant_name": name_schema,
"vim_user": nameshort_schema,
- "vim_password": nameshort_schema,
+ "vim_password": passwd_schema,
"config": {"type": "object"}
},
"required": ["name", "vim_url", "vim_type", "vim_user", "vim_password", "vim_tenant_name"],
sdn_properties = {
"name": name_schema,
"description": description_schema,
- "dpid": {"type": "string", "pattern": "^[0-9a-fA-F]{2}(:[0-9a-fA-F]{2}){7}$"},
+ "dpid": dpid_Schema,
"ip": ip_schema,
"port": port_schema,
"type": {"type": "string", "enum": ["opendaylight", "floodlight", "onos"]},
"items": {
"type": "object",
"properties": {
- "pci": pci_schema,
+ "pci": pci_extended_schema,
"switch_port": nameshort_schema,
"switch_mac": mac_schema
},
}
sdn_external_port_schema = {
"$schema": "http://json-schema.org/draft-04/schema#",
- "title": "External port ingformation",
+ "title": "External port information",
"type": "object",
"properties": {
"port": {"type": "string", "minLength": 1, "maxLength": 60},
"required": ["port"]
}
+# PDUs
+pdu_interface = {
+ "type": "object",
+ "properties": {
+ "name": nameshort_schema,
+ "mgmt": bool_schema,
+ "type": {"enum": ["overlay", 'underlay']},
+ "ip-address": ip_schema,
+ # TODO, add user, password, ssh-key
+ "mac-address": mac_schema,
+ "vim-network-name": nameshort_schema, # interface is connected to one vim network, or switch port
+ # TODO "vim-network-id": nameshort_schema,
+ # # provide this in case SDN assist must deal with this interface
+ # "switch-dpid": dpid_Schema,
+ # "switch-port": nameshort_schema,
+ # "switch-mac": nameshort_schema,
+ # "switch-vlan": vlan_schema,
+ },
+ "required": ["name", "mgmt", "ip-address"],
+ "additionalProperties": False
+}
+pdu_new_schema = {
+ "title": "pdu creation input schema",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "name": nameshort_schema,
+ "type": nameshort_schema,
+ "description": description_schema,
+ "shared": bool_schema,
+ "vims": nameshort_list_schema,
+ "vim_accounts": nameshort_list_schema,
+ "interfaces": {
+ "type": "array",
+ "items": pdu_interface,
+ "minItems": 1
+ }
+ },
+ "required": ["name", "type", "interfaces"],
+ "additionalProperties": False
+}
+
+pdu_edit_schema = {
+ "title": "pdu edit input schema",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "name": nameshort_schema,
+ "type": nameshort_schema,
+ "description": description_schema,
+ "shared": bool_schema,
+ "vims": {"oneOff": [array_edition_schema, nameshort_list_schema]},
+ "vim_accounts": {"oneOff": [array_edition_schema, nameshort_list_schema]},
+ "interfaces": {"oneOff": [
+ array_edition_schema,
+ {
+ "type": "array",
+ "items": pdu_interface,
+ "minItems": 1
+ }
+ ]}
+ },
+ "additionalProperties": False,
+ "minProperties": 1
+}
+
+# USERS
+user_new_schema = {
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "title": "New user schema",
+ "type": "object",
+ "properties": {
+ "username": nameshort_schema,
+ "password": passwd_schema,
+ "projects": nameshort_list_schema,
+ },
+ "required": ["username", "password", "projects"],
+ "additionalProperties": False
+}
+user_edit_schema = {
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "title": "User edit schema for administrators",
+ "type": "object",
+ "properties": {
+ "password": passwd_schema,
+ "projects": {
+ "oneOff": [
+ nameshort_list_schema,
+ array_edition_schema
+ ]
+ },
+ },
+ "minProperties": 1,
+ "additionalProperties": False
+}
+
+# PROJECTS
+project_new_schema = {
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "title": "New project schema for administrators",
+ "type": "object",
+ "properties": {
+ "name": nameshort_schema,
+ "admin": bool_schema,
+ },
+ "required": ["name"],
+ "additionalProperties": False
+}
+project_edit_schema = {
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "title": "Project edit schema for administrators",
+ "type": "object",
+ "properties": {
+ "admin": bool_schema,
+ },
+ "additionalProperties": False,
+ "minProperties": 1
+}
+
+# GLOBAL SCHEMAS
nbi_new_input_schemas = {
+ "users": user_new_schema,
+ "projects": project_new_schema,
"vim_accounts": vim_account_new_schema,
"sdns": sdn_new_schema,
"ns_instantiate": ns_instantiate,
"ns_action": ns_action,
+ "ns_scale": ns_scale,
+ "pdus": pdu_new_schema,
}
nbi_edit_input_schemas = {
+ "users": user_edit_schema,
+ "projects": project_edit_schema,
"vim_accounts": vim_account_edit_schema,
- "sdns": sdn_edit_schema
+ "sdns": sdn_edit_schema,
+ "pdus": pdu_edit_schema,
+}
+
+# NETSLICE SCHEMAS
+nsi_instantiate = {
+ "title": "netslice action instantiate input schema",
+ "$schema": "http://json-schema.org/draft-04/schema#",
+ "type": "object",
+ "properties": {
+ "lcmOperationType": string_schema,
+ "nsiInstanceId": id_schema,
+ "nsiName": name_schema,
+ "nsiDescription": {"oneOf": [description_schema, {"type": "null"}]},
+ "nstdId": string_schema,
+ "vimAccountId": id_schema,
+ "ssh_keys": {"type": "string"},
+ "nsi_id": id_schema,
+ "ns": {
+ "type": "array",
+ "minItems": 1,
+ "items": ns_instantiate
+ },
+ },
+ "required": ["nsiName", "nstdId", "vimAccountId"],
+ "additionalProperties": False
+}
+
+nsi_action = {
+
+}
+
+nsi_terminate = {
+
}
class ValidationError(Exception):
- pass
+ def __init__(self, message, http_code=HTTPStatus.UNPROCESSABLE_ENTITY):
+ self.http_code = http_code
+ Exception.__init__(self, message)
-def validate_input(indata, item, new=True):
+def validate_input(indata, schema_to_use):
"""
- Validates input data agains json schema
+ Validates input data against json schema
:param indata: user input data. Should be a dictionary
- :param item: can be users, projects, vims, sdns, ns_xxxxx
- :param new: True if the validation is for creating or False if it is for editing
- :return: None if ok, raises ValidationError exception otherwise
+ :param schema_to_use: jsonschema to test
+ :return: None if ok, raises ValidationError exception on error
"""
try:
- if new:
- schema_to_use = nbi_new_input_schemas.get(item)
- else:
- schema_to_use = nbi_edit_input_schemas.get(item)
if schema_to_use:
js_v(indata, schema_to_use)
return None
except js_e.ValidationError as e:
if e.path:
- error_pos = "at '" + ":".join(e.path) + "'"
+ error_pos = "at '" + ":".join(map(str, e.path)) + "'"
else:
error_pos = ""
- raise ValidationError("Format error {} '{}' ".format(error_pos, e))
+ raise ValidationError("Format error {} '{}' ".format(error_pos, e.message))
+ except js_e.SchemaError:
+ raise ValidationError("Bad json schema {}".format(schema_to_use), http_code=HTTPStatus.INTERNAL_SERVER_ERROR)