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authorVarma, Vikas <vv8305@att.com>2018-09-19 00:39:03 -0400
committerVikas Varma <vv8305@att.com>2018-09-19 05:00:05 +0000
commit276119f2d54b2e8f49b8595ecfcc6545aeb77fef (patch)
treefd39c9b061e00a79d867e860a030020f7b0af571
parentce6ac9833b9d91dfe9fdd4a0346a641c0c246d90 (diff)
Initial checkin for pci optimization code
Change-Id: I6fe8ad471f8ad68a964664b910f02bd8a9766639 Signed-off-by: Varma, Vikas <vv8305@att.com> Issue-ID: OPTFRA-342
-rwxr-xr-xconfig/osdf_config.yaml11
-rw-r--r--osdf/config/base.py6
-rw-r--r--osdf/models/api/pciOptimizationRequest.py48
-rw-r--r--osdf/models/api/pciOptimizationResponse.py40
-rw-r--r--osdf/optimizers/pciopt/__init__.py0
-rw-r--r--osdf/optimizers/pciopt/configdb.py65
-rw-r--r--osdf/optimizers/pciopt/pci_opt_processor.py84
-rw-r--r--osdf/optimizers/pciopt/solver/__init__.py0
-rw-r--r--osdf/optimizers/pciopt/solver/min_confusion.mzn95
-rw-r--r--osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn86
-rw-r--r--osdf/optimizers/pciopt/solver/optimizer.py82
-rw-r--r--osdf/optimizers/pciopt/solver/pci_utils.py39
-rw-r--r--requirements.txt1
-rw-r--r--test/configdb/test_configdb_calls.py46
-rw-r--r--test/functest/simulators/configdb/response-payloads/getCellList-1000.json1
-rw-r--r--test/functest/simulators/configdb/response-payloads/getNbrList-cell0.json10
-rw-r--r--test/functest/simulators/configdb/response-payloads/getNbrList-cell1.json10
-rw-r--r--test/functest/simulators/configdb/response-payloads/getNbrList-cell2.json10
-rwxr-xr-xtest/functest/simulators/oof_dependencies_simulators.py19
-rwxr-xr-xtest/functest/simulators/simulated-config/osdf_config.yaml12
-rw-r--r--test/pci-optimization-tests/request.json22
-rw-r--r--test/test_process_pci_opt.py79
22 files changed, 762 insertions, 4 deletions
diff --git a/config/osdf_config.yaml b/config/osdf_config.yaml
index 4ef11f8..5f206f5 100755
--- a/config/osdf_config.yaml
+++ b/config/osdf_config.yaml
@@ -56,3 +56,14 @@ aaf_sms_url: https://aaf-sms.onap:10443
aaf_sms_timeout: 30
secret_domain: osdf #Replace with the UUID
aaf_ca_certs: ssl_certs/aaf_root_ca.cer
+
+# config db api
+configDbUrl: http://config.db.url:8080
+configDbUserName: osdf
+configDbPassword: passwd
+configDbGetCellListUrl: 'SDNCConfigDBAPI/getCellList'
+configDbGetNbrListUrl: 'SDNCConfigDBAPI/getNbrList'
+
+# Credentials for PCIHandler
+pciHMSUsername: "" # pcihandler username for call back.
+pciHMSPassword: "" # pcihandler password for call back.
diff --git a/osdf/config/base.py b/osdf/config/base.py
index 29376a5..fbe9315 100644
--- a/osdf/config/base.py
+++ b/osdf/config/base.py
@@ -18,14 +18,14 @@
import os
-import osdf.config.loader as config_loader
import osdf.config.credentials as creds
+import osdf.config.loader as config_loader
from osdf.utils.programming_utils import DotDict
config_spec = {
"deployment": os.environ.get("OSDF_CONFIG_FILE", "config/osdf_config.yaml"),
"core": "config/common_config.yaml"
- }
+}
osdf_config = DotDict(config_loader.all_configs(**config_spec))
@@ -33,4 +33,4 @@ http_basic_auth_credentials = creds.load_credentials(osdf_config)
dmaap_creds = creds.dmaap_creds()
-creds_prefixes = {"so": "so", "cm": "cmPortal"}
+creds_prefixes = {"so": "so", "cm": "cmPortal", "pcih": "pciHMS"}
diff --git a/osdf/models/api/pciOptimizationRequest.py b/osdf/models/api/pciOptimizationRequest.py
new file mode 100644
index 0000000..47b4eba
--- /dev/null
+++ b/osdf/models/api/pciOptimizationRequest.py
@@ -0,0 +1,48 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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 schematics.types import BaseType, StringType, URLType, IntType
+from schematics.types.compound import ModelType, ListType, DictType
+
+from .common import OSDFModel
+
+
+class RequestInfo(OSDFModel):
+ """Info for northbound request from client such as SO"""
+ transactionId = StringType(required=True)
+ requestId = StringType(required=True)
+ callbackUrl = URLType(required=True)
+ callbackHeader = DictType(BaseType)
+ sourceId = StringType(required=True)
+ requestType = StringType(required=True)
+ numSolutions = IntType()
+ optimizers = ListType(StringType(required=True))
+ timeout = IntType()
+
+
+class CellInfo(OSDFModel):
+ """Information specific to CellInfo """
+ networkId = StringType(required=True)
+ cellIdList = ListType(StringType(required=True))
+ trigger = StringType()
+
+
+class PCIOptimizationAPI(OSDFModel):
+ """Request for PCI optimization """
+ requestInfo = ModelType(RequestInfo, required=True)
+ cellInfo = ModelType(CellInfo, required=True)
diff --git a/osdf/models/api/pciOptimizationResponse.py b/osdf/models/api/pciOptimizationResponse.py
new file mode 100644
index 0000000..876c380
--- /dev/null
+++ b/osdf/models/api/pciOptimizationResponse.py
@@ -0,0 +1,40 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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 schematics.types import StringType, IntType
+from schematics.types.compound import ModelType, ListType
+
+from .common import OSDFModel
+
+
+class PCISolution(OSDFModel):
+ cellId = StringType(required=True)
+ pci = IntType(required=True)
+
+
+class Solution(OSDFModel):
+ networkId = StringType(required=True)
+ pciSolutions = ListType(ListType(ModelType(PCISolution), min_size=1))
+
+
+class PCIOptimizationResponse(OSDFModel):
+ transactionId = StringType(required=True)
+ requestId = StringType(required=True)
+ requestStatus = StringType(required=True)
+ statusMessage = StringType()
+ solutions = ModelType(Solution, required=True)
diff --git a/osdf/optimizers/pciopt/__init__.py b/osdf/optimizers/pciopt/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/osdf/optimizers/pciopt/__init__.py
diff --git a/osdf/optimizers/pciopt/configdb.py b/osdf/optimizers/pciopt/configdb.py
new file mode 100644
index 0000000..bebc5c0
--- /dev/null
+++ b/osdf/optimizers/pciopt/configdb.py
@@ -0,0 +1,65 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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 datetime import datetime as dt
+
+from osdf.logging.osdf_logging import debug_log
+from osdf.utils.interfaces import RestClient
+
+
+def request(req_object, osdf_config, flat_policies):
+ """
+ Process a configdb request from a Client (build Conductor API call, make the call, return result)
+ :param req_object: Request parameters from the client
+ :param osdf_config: Configuration specific to OSDF application (core + deployment)
+ :param flat_policies: policies related to PCI Opt (fetched based on request)
+ :return: response from ConfigDB (accounting for redirects from Conductor service
+ """
+ cell_list_response = {}
+ config = osdf_config.deployment
+ local_config = osdf_config.core
+ uid, passwd = config['configDbUserName'], config['configDbPassword']
+ req_id = req_object['requestInfo']['requestId']
+ transaction_id = req_object['requestInfo']['transactionId']
+ headers = dict(transaction_id=transaction_id)
+
+ network_id = req_object['cellInfo']['networkId']
+
+ cell_list_response['network_id'] = network_id
+
+ rc = RestClient(userid=uid, passwd=passwd, method="GET", log_func=debug_log.debug, headers=headers)
+
+ cell_list_url = '{}/{}?networkId={}'.format(config['configDbUrl'], config['configDbGetCellListUrl'], network_id)
+
+ cell_list_resp = rc.request(raw_response=True, url=cell_list_url)
+ cell_resp = cell_list_resp.json()
+ ts = dt.strftime(dt.now(), '%Y-%m-%dT%H:%M:%S%z')
+
+ cell_list = []
+ count = 0
+ for cell_id in cell_resp:
+ cell_info = {'cell_id': cell_id, 'id': count}
+ nbr_list_url = '{}/{}?cellId={}&ts={}'.format(config['configDbUrl'], config['configDbGetNbrListUrl'], cell_id,
+ ts)
+ nbr_list_raw = rc.request(url=nbr_list_url, raw_response=True)
+ cell_info['nbr_list'] = nbr_list_raw.json()
+ cell_list.append(cell_info)
+ count += 1
+
+ cell_list_response['cell_list'] = cell_list
+ return cell_resp, cell_list_response
diff --git a/osdf/optimizers/pciopt/pci_opt_processor.py b/osdf/optimizers/pciopt/pci_opt_processor.py
new file mode 100644
index 0000000..030128e
--- /dev/null
+++ b/osdf/optimizers/pciopt/pci_opt_processor.py
@@ -0,0 +1,84 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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.
+#
+# -------------------------------------------------------------------------
+#
+
+import traceback
+from requests import RequestException
+
+from osdf.logging.osdf_logging import metrics_log, MH, error_log
+from osdf.models.api.pciOptimizationResponse import PCIOptimizationResponse, Solution, PCISolution
+from osdf.operation.error_handling import build_json_error_body
+from osdf.utils.interfaces import get_rest_client
+from .configdb import request as config_request
+from .solver.optimizer import pci_optimize as optimize
+from .solver.pci_utils import get_cell_id, get_pci_value
+
+"""
+This application generates PCI Optimization API calls using the information received from PCI-Handler-MS, SDN-C
+and Policy.
+"""
+
+
+def process_pci_optimation(request_json, osdf_config, flat_policies):
+ """
+ Process a PCI request from a Client (build config-db, policy and API call, make the call, return result)
+ :param req_object: Request parameters from the client
+ :param osdf_config: Configuration specific to OSDF application (core + deployment)
+ :param flat_policies: policies related to pci (fetched based on request)
+ :return: response from PCI Opt
+ """
+ try:
+ rc = get_rest_client(request_json, service="pcih")
+ req_id = request_json["requestInfo"]["requestId"]
+ transaction_id = request_json['requestInfo']['transactionId']
+ cell_info_list, network_cell_info = config_request(request_json, osdf_config, flat_policies)
+
+ pci_response = PCIOptimizationResponse()
+ pci_response.transactionId = transaction_id
+ pci_response.requestId = req_id
+ pci_response.requestStatus = 'success'
+ pci_response.solutions = Solution()
+ pci_response.solutions.networkId = request_json['cellInfo']['networkId']
+ pci_response.solutions.pciSolutions = []
+
+ for cell in request_json['cellInfo']['cellIdList']:
+ pci_solution = optimize(cell['cellId'], network_cell_info, cell_info_list)
+ error_log.error(pci_solution)
+ sol = pci_solution[0]['pci']
+ for k, v in sol.items():
+ response = PCISolution()
+ response.cellId = get_cell_id(network_cell_info, k)
+ response.pci = get_pci_value(network_cell_info, v)
+ pci_response.solutions.pciSolutions.append(response)
+
+ metrics_log.info(MH.inside_worker_thread(req_id))
+ except Exception as err:
+ error_log.error("Error for {} {}".format(req_id, traceback.format_exc()))
+
+ try:
+ body = build_json_error_body(err)
+ metrics_log.info(MH.sending_response(req_id, "ERROR"))
+ rc.request(json=body, noresponse=True)
+ except RequestException:
+ error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
+ return
+
+ try:
+ metrics_log.info(MH.calling_back_with_body(req_id, rc.url, pci_response))
+ rc.request(json=pci_response, noresponse=True)
+ except RequestException: # can't do much here but log it and move on
+ error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc()))
diff --git a/osdf/optimizers/pciopt/solver/__init__.py b/osdf/optimizers/pciopt/solver/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/osdf/optimizers/pciopt/solver/__init__.py
diff --git a/osdf/optimizers/pciopt/solver/min_confusion.mzn b/osdf/optimizers/pciopt/solver/min_confusion.mzn
new file mode 100644
index 0000000..803f914
--- /dev/null
+++ b/osdf/optimizers/pciopt/solver/min_confusion.mzn
@@ -0,0 +1,95 @@
+% -------------------------------------------------------------------------
+% Copyright (c) 2018 AT&T Intellectual Property
+%
+% 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.
+%
+% -------------------------------------------------------------------------
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Parameters and its assertions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Number of cells/radios.
+int: NUM_NODES;
+
+% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
+int: NUM_PCIS;
+
+% Number of edges between neighbor nodes. There is a edge (i,j) if and only
+% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
+% handoff between i and j. Such edges are used to avoid **CONFLICTS**, i.e.,
+% to guarantee that nodes i and j have different PCIs.
+int: NUM_CONFLICT_EDGES;
+
+% Each line represents an edge between direct neighbors as defined before.
+array[1..NUM_CONFLICT_EDGES, 1..2] of int: CONFLICT_EDGES;
+
+% Number of undirect neighbor pairs (j, k) such that both j and k are direct
+% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
+% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
+% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
+int: NUM_CONFUSION_EDGES;
+
+% Each line represents an edge between undirect neighbors as defined before.
+array[1..NUM_CONFUSION_EDGES, 1..2] of int: CONFUSION_EDGES;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Decision variables
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Defines the PCI for each node.
+array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Constraints
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Direct neighbors must have different PCIs for avoid **CONFLICTS**.
+constraint
+forall(i in 1..NUM_CONFLICT_EDGES)(
+ pci[CONFLICT_EDGES[i, 1]] != pci[CONFLICT_EDGES[i, 2]]
+);
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Objective function
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Total number of confusions.
+var int: total_confusions =
+ sum([bool2int(pci[CONFUSION_EDGES[i, 1]] == pci[CONFUSION_EDGES[i, 2]])
+ | i in 1..NUM_CONFUSION_EDGES]);
+
+% Minimize the total number of confusions.
+solve :: int_search(pci, smallest, indomain_min, complete)
+minimize total_confusions;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Output
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+output
+["PCI assigment"] ++
+["\nnode,pci"] ++
+[
+ "\n" ++ show(node) ++ "," ++ show(pci[node])
+| node in 0..NUM_NODES-1
+] ++
+
+["\n\nConfusions"] ++
+["\nTotal confusions: " ++ show(total_confusions)] ++
+["\nConfusion pairs"] ++
+[
+ "\n" ++ show(CONFUSION_EDGES[i, 1]) ++ "," ++ show(CONFUSION_EDGES[i, 2])
+| i in 1..NUM_CONFUSION_EDGES where
+ fix(pci[CONFUSION_EDGES[i, 1]] == pci[CONFUSION_EDGES[i, 2]])
+]
diff --git a/osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn b/osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn
new file mode 100644
index 0000000..19fabb9
--- /dev/null
+++ b/osdf/optimizers/pciopt/solver/no_conflicts_no_confusion.mzn
@@ -0,0 +1,86 @@
+% -------------------------------------------------------------------------
+% Copyright (c) 2018 AT&T Intellectual Property
+%
+% 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.
+%
+% -------------------------------------------------------------------------
+%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Parameters and its assertions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Number of cells/radios.
+int: NUM_NODES;
+
+% Maximum number of Physical Cell Identifiers to be assigned to the nodes.
+int: NUM_PCIS;
+
+% Number of edges between neighbor nodes. There is a edge (i,j) if and only
+% if nodes i and j are neighbors, i.e., an user equipment (UE) can make
+% handoff between i and j. Such edges are used to avoid **CONFLICTS**, i.e.,
+% to guarantee that nodes i and j have different PCIs.
+int: NUM_CONFLICT_EDGES;
+
+% Each line represents an edge between direct neighbors as defined before.
+array[1..NUM_CONFLICT_EDGES, 1..2] of int: CONFLICT_EDGES;
+
+% Number of undirect neighbor pairs (j, k) such that both j and k are direct
+% neighbors of node i, i.e., (j, k) exits if and only if exists (i, j) and
+% (i, k). Nodes (i, k) can generate "confunsions" in the network if they have
+% the same PCI. Such edges are used to avoid/minimize **CONFUSIONS**.
+int: NUM_CONFUSION_EDGES;
+
+% Each line represents an edge between undirect neighbors as defined before.
+array[1..NUM_CONFUSION_EDGES, 1..2] of int: CONFUSION_EDGES;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Decision variables
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Defines the PCI for each node.
+array[0..NUM_NODES-1] of var 0..NUM_PCIS-1: pci;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Constraints
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Direct neighbors must have different PCIs for avoid **CONFLICTS**.
+constraint
+forall(i in 1..NUM_CONFLICT_EDGES)(
+ pci[CONFLICT_EDGES[i, 1]] != pci[CONFLICT_EDGES[i, 2]]
+);
+
+% Undirect neighbors must have different PCIs for avoid **CONFUSIONS**.
+constraint
+forall(i in 1..NUM_CONFUSION_EDGES)(
+ pci[CONFUSION_EDGES[i, 1]] != pci[CONFUSION_EDGES[i, 2]]
+);
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Objective function
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% Just satisfy the problem.
+solve :: int_search(pci, smallest, indomain_min, complete) satisfy;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Output
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+output
+["node,pci\n"] ++
+[
+ show(node) ++ "," ++ show(pci[node]) ++ "\n"
+| node in 0..NUM_NODES-1
+]
diff --git a/osdf/optimizers/pciopt/solver/optimizer.py b/osdf/optimizers/pciopt/solver/optimizer.py
new file mode 100644
index 0000000..e9fcb0d
--- /dev/null
+++ b/osdf/optimizers/pciopt/solver/optimizer.py
@@ -0,0 +1,82 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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.
+#
+# -------------------------------------------------------------------------
+#
+
+import itertools
+
+import os
+import pymzn
+
+from osdf.logging.osdf_logging import debug_log
+from .pci_utils import get_id
+
+BASE_DIR = os.path.dirname(__file__)
+MZN_FILE_NAME = os.path.join(BASE_DIR, 'no_conflicts_no_confusion.mzn')
+
+
+def pci_optimize(cell_id, network_cell_info, cell_info_list):
+ debug_log.debug("Cell ID {} ".format(cell_id))
+ dzn_data = {}
+ dzn_data['NUM_NODES'] = len(cell_info_list)
+ dzn_data['NUM_PCIS'] = len(cell_info_list)
+
+ conflict_edges = get_conflict_edges(cell_id, network_cell_info)
+
+ dzn_data['NUM_CONFLICT_EDGES'] = len(conflict_edges)
+ dzn_data['CONFLICT_EDGES'] = conflict_edges
+
+ confusion_edges = get_confusion_edges(cell_id, network_cell_info)
+
+ dzn_data['NUM_CONFUSION_EDGES'] = len(confusion_edges)
+ dzn_data['CONFUSION_EDGES'] = confusion_edges
+
+ return solve(dzn_data)
+
+def solve(dzn_data):
+ return pymzn.minizinc(MZN_FILE_NAME, data=dzn_data)
+
+
+def get_conflict_edges(cell_id, network_cell_info):
+ conflict_edges = []
+ for cell in network_cell_info['cell_list']:
+
+ if cell_id == cell['cell_id']:
+ add_to_conflict_edges(network_cell_info, cell, conflict_edges)
+ return conflict_edges
+
+
+def add_to_conflict_edges(network_cell_info, cell, conflict_edges):
+ cell_id = cell['cell_id']
+ for nbr in cell.get('nbr_list', []):
+ conflict_edges.append([get_id(network_cell_info, cell_id), get_id(network_cell_info, nbr['cellId'])])
+
+
+
+def get_confusion_edges(cell_id, network_cell_info):
+ confusion_edges = []
+ for cell in network_cell_info['cell_list']:
+ if cell_id == cell['cell_id']:
+ return add_to_confusion_edges(network_cell_info, cell)
+ return confusion_edges
+
+
+def add_to_confusion_edges(network_cell_info, cell):
+ cell_id = cell['cell_id']
+ nbr_list = []
+ for nbr in cell.get('nbr_list', []):
+ nbr_list.append(get_id(network_cell_info, nbr['cellId']))
+ return [list(elem) for elem in list(itertools.combinations(nbr_list, 2))]
diff --git a/osdf/optimizers/pciopt/solver/pci_utils.py b/osdf/optimizers/pciopt/solver/pci_utils.py
new file mode 100644
index 0000000..71b5dd2
--- /dev/null
+++ b/osdf/optimizers/pciopt/solver/pci_utils.py
@@ -0,0 +1,39 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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.
+#
+# -------------------------------------------------------------------------
+#
+
+
+def get_id(network_cell_info, cell_id):
+ for i in network_cell_info['cell_list']:
+ if i['cell_id'] == cell_id:
+ return i['id']
+ return None
+
+
+def get_cell_id(network_cell_info, id):
+ for i in network_cell_info['cell_list']:
+ if i['id'] == id:
+ return i['cell_id']
+ return None
+
+def get_pci_value(network_cell_info, id):
+ cell_id = get_cell_id(network_cell_info, id)
+ for i in network_cell_info['cell_list']:
+ for j in i['nbr_list']:
+ if cell_id == j['cellId']:
+ return j['pciValue']
+ return None
diff --git a/requirements.txt b/requirements.txt
index f05dadf..2cf5358 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,3 +12,4 @@ schematics>=2.0.0
docopt>=0.6.2
pydevd>=1.0.0
onapsmsclient>=0.0.3
+pymzn>=0.17.0
diff --git a/test/configdb/test_configdb_calls.py b/test/configdb/test_configdb_calls.py
new file mode 100644
index 0000000..eb799e7
--- /dev/null
+++ b/test/configdb/test_configdb_calls.py
@@ -0,0 +1,46 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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 osdf.optimizers.pciopt.configdb import request
+import osdf.config.loader as config_loader
+from osdf.utils.interfaces import json_from_file
+from osdf.utils.programming_utils import DotDict
+from osdf.adapters.policy import interface as pol
+
+
+class TestConfigDbCalls():
+
+ def setUp(self):
+ self.config_spec = {
+ "deployment": "test/functest/simulators/simulated-config/osdf_config.yaml",
+ "core": "test/functest/simulators/simulated-config/common_config.yaml"
+ }
+ self.osdf_config = DotDict(config_loader.all_configs(**self.config_spec))
+ self.lp = self.osdf_config.core.get('osdf_temp', {}).get('local_policies', {}
+ ).get('placement_policy_files_vcpe')
+
+ def tearDown(self):
+ pass
+
+ def test_request(self):
+ self.setUp()
+ req_json = json_from_file("./test/pci-optimization-tests/request.json")
+ policies = pol.get_local_policies("test/policy-local-files/", self.lp)
+ cell_list = request(req_json, self.osdf_config, policies)
+
+
diff --git a/test/functest/simulators/configdb/response-payloads/getCellList-1000.json b/test/functest/simulators/configdb/response-payloads/getCellList-1000.json
new file mode 100644
index 0000000..df23f6e
--- /dev/null
+++ b/test/functest/simulators/configdb/response-payloads/getCellList-1000.json
@@ -0,0 +1 @@
+["cell0","cell1","cell2"] \ No newline at end of file
diff --git a/test/functest/simulators/configdb/response-payloads/getNbrList-cell0.json b/test/functest/simulators/configdb/response-payloads/getNbrList-cell0.json
new file mode 100644
index 0000000..e0986d8
--- /dev/null
+++ b/test/functest/simulators/configdb/response-payloads/getNbrList-cell0.json
@@ -0,0 +1,10 @@
+[
+ {
+ "cellId": "cell1",
+ "pciValue": 1
+ },
+ {
+ "cellId": "cell2",
+ "pciValue": 2
+ }
+] \ No newline at end of file
diff --git a/test/functest/simulators/configdb/response-payloads/getNbrList-cell1.json b/test/functest/simulators/configdb/response-payloads/getNbrList-cell1.json
new file mode 100644
index 0000000..d6ed353
--- /dev/null
+++ b/test/functest/simulators/configdb/response-payloads/getNbrList-cell1.json
@@ -0,0 +1,10 @@
+[
+ {
+ "cellId": "cell0",
+ "pciValue": 0
+ },
+ {
+ "cellId": "cell2",
+ "pciValue": 2
+ }
+] \ No newline at end of file
diff --git a/test/functest/simulators/configdb/response-payloads/getNbrList-cell2.json b/test/functest/simulators/configdb/response-payloads/getNbrList-cell2.json
new file mode 100644
index 0000000..1ea80be
--- /dev/null
+++ b/test/functest/simulators/configdb/response-payloads/getNbrList-cell2.json
@@ -0,0 +1,10 @@
+[
+ {
+ "cellId": "cell0",
+ "pciValue": 0
+ },
+ {
+ "cellId": "cell1",
+ "pciValue": 1
+ }
+] \ No newline at end of file
diff --git a/test/functest/simulators/oof_dependencies_simulators.py b/test/functest/simulators/oof_dependencies_simulators.py
index bdb552d..9c20e79 100755
--- a/test/functest/simulators/oof_dependencies_simulators.py
+++ b/test/functest/simulators/oof_dependencies_simulators.py
@@ -20,9 +20,9 @@
Simulators for dependencies of OSDF (e.g. HAS-API, Policy, SO-callback, etc.)
"""
import glob
+from flask import Flask, jsonify, request
from osdf.utils.interfaces import json_from_file
-from flask import Flask, jsonify, request
app = Flask(__name__)
@@ -80,5 +80,22 @@ def get_policies(sub_component):
return jsonify([json_from_file(x) for x in files])
+@app.route("/simulated/configdb/getCellList", methods=["GET"])
+def get_cell_list():
+ data, status = get_payload_for_simulated_component('configdb',
+ 'getCellList-' + request.args.get('networkId') + '.json')
+ if not status:
+ return jsonify(data)
+ return jsonify(data), 503
+
+
+@app.route("/simulated/configdb/getNbrList", methods=["GET"])
+def get_nbr_list():
+ data, status = get_payload_for_simulated_component('configdb', 'getNbrList-' + request.args.get('cellId') + '.json')
+ if not status:
+ return jsonify(data)
+ return jsonify(data), 503
+
+
if __name__ == "__main__":
app.run(debug=True)
diff --git a/test/functest/simulators/simulated-config/osdf_config.yaml b/test/functest/simulators/simulated-config/osdf_config.yaml
index 0a77fe2..dbdcc91 100755
--- a/test/functest/simulators/simulated-config/osdf_config.yaml
+++ b/test/functest/simulators/simulated-config/osdf_config.yaml
@@ -32,3 +32,15 @@ sdcONAPInstanceID: ONAP-OSDF
osdfPlacementUrl: "http://127.0.0.1:24699/osdf/api/v2/placement"
osdfPlacementUsername: "test"
osdfPlacementPassword: "testpwd"
+
+# config db api
+configDbUrl: http://127.0.0.1:5000/simulated/configdb
+configDbUserName: osdf
+configDbPassword: passwd
+configDbGetCellListUrl: 'getCellList'
+configDbGetNbrListUrl: 'getNbrList'
+
+# Credentials for PCIHandler
+pciHMSUsername: "" # pcihandler username for call back.
+pciHMSPassword: "" # pcihandler password for call back.
+
diff --git a/test/pci-optimization-tests/request.json b/test/pci-optimization-tests/request.json
new file mode 100644
index 0000000..79c98c3
--- /dev/null
+++ b/test/pci-optimization-tests/request.json
@@ -0,0 +1,22 @@
+{
+ "requestInfo": {
+ "transactionId": "xxx-xxx-xxxx",
+ "requestId": "yyy-yyy-yyyy",
+ "callbackUrl": "https://wiki.onap.org:5000/callbackUrl/",
+ "sourceId": "SO",
+ "requestType": "create",
+ "numSolutions": 1,
+ "optimizers": [
+ "placement"
+ ],
+ "timeout": 600
+ },
+ "cellInfo": {
+ "networkId": "1000",
+ "cellIdList": [
+ {
+ "cellId": "cell0"
+ }
+ ]
+ }
+} \ No newline at end of file
diff --git a/test/test_process_pci_opt.py b/test/test_process_pci_opt.py
new file mode 100644
index 0000000..31aa5fb
--- /dev/null
+++ b/test/test_process_pci_opt.py
@@ -0,0 +1,79 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2018 AT&T Intellectual Property
+#
+# 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.
+#
+# -------------------------------------------------------------------------
+#
+import mock
+import unittest
+
+from flask import Response
+from mock import patch
+from osdf.adapters.local_data import local_policies
+from osdf.optimizers.pciopt.pci_opt_processor import process_pci_optimation
+import osdf.config.loader as config_loader
+from osdf.utils.interfaces import json_from_file
+from osdf.utils.programming_utils import DotDict
+
+
+class TestProcessPlacementOpt(unittest.TestCase):
+
+ def setUp(self):
+ mock_req_accept_message = Response("Accepted Request", content_type='application/json; charset=utf-8')
+ self.patcher_req = patch('osdf.optimizers.pciopt.configdb.request',
+ return_value={"solutionInfo": {"placementInfo": "dummy"}})
+ self.patcher_req_accept = patch('osdf.operation.responses.osdf_response_for_request_accept',
+ return_value=mock_req_accept_message)
+ self.patcher_callback = patch(
+ 'osdf.optimizers.pciopt.pci_opt_processor.process_pci_optimation',
+ return_value=mock_req_accept_message)
+
+ mock_mzn_response = [{'pci': {0: 0, 1: 1, 2: 2}}]
+
+ self.patcher_minizinc_callback = patch(
+ 'osdf.optimizers.pciopt.solver.optimizer.solve',
+ return_value=mock_mzn_response )
+ self.patcher_RestClient = patch(
+ 'osdf.utils.interfaces.RestClient', return_value=mock.MagicMock())
+ self.Mock_req = self.patcher_req.start()
+ self.Mock_req_accept = self.patcher_req_accept.start()
+ self.Mock_callback = self.patcher_callback.start()
+ self.Mock_RestClient = self.patcher_RestClient.start()
+ self.Mock_mzn_callback = self.patcher_minizinc_callback.start()
+
+ def tearDown(self):
+ patch.stopall()
+
+ def test_process_pci_opt_solutions(self):
+ main_dir = ""
+ parameter_data_file = main_dir + "test/pci-optimization-tests/request.json"
+ policy_data_path = main_dir + "test/policy-local-files/"
+ self.config_spec = {
+ "deployment": "test/functest/simulators/simulated-config/osdf_config.yaml",
+ "core": "test/functest/simulators/simulated-config/common_config.yaml"
+ }
+ self.osdf_config = DotDict(config_loader.all_configs(**self.config_spec))
+
+ valid_policies_list_file = policy_data_path + '/' + 'meta-valid-policies.txt'
+ valid_policies_files = local_policies.get_policy_names_from_file(valid_policies_list_file)
+
+ request_json = json_from_file(parameter_data_file)
+ policies = [json_from_file(policy_data_path + '/' + name) for name in valid_policies_files]
+
+ templ_string = process_pci_optimation(request_json, self.osdf_config,policies)
+
+
+if __name__ == "__main__":
+ unittest.main()
+