Seed code for OSDF placement adapter

Issue-ID: OPTFRA-46
Change-Id: Ia1e5ecae1052d0ef93d99cf560216822051c438f
Signed-off-by: Sastry Isukapalli <sastry@research.att.com>

3 files changed, 235 insertions, 0 deletions

diff --git a/models/api/common.py b/models/api/common.py
new file mode 100755
index 0000000..0d2d0eb
--- /dev/null
+++ b/models/api/common.py
@@ -0,0 +1,54 @@
+# -------------------------------------------------------------------------

+#   Copyright (c) 2015-2017 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 datetime

+from pprint import pformat

+

+from dateutil.parser import parse

+from schematics.exceptions import ConversionError

+from schematics.models import Model

+from schematics.types import DateTimeType

+

+

+class OSDFModel(Model):

+    """Extends generic model with a couple of extra methods"""

+    def __str__(self):

+        """Return values of object's attributes -- excluding hidden or callable ones"""

+        def _str_format(x):

+            """Coerce as string for some special objects"""

+            return str(x) if isinstance(x, datetime.datetime) else x

+

+        z1 = dict((x, getattr(self, x)) for x in dir(self)

+                  if not x.startswith("_") and not callable(getattr(self, x)))

+        z1 = dict((x, _str_format(y)) for x, y in z1.items())

+        return pformat(z1, depth=4, indent=2, width=1000)

+

+    def __repr__(self):

+        """Return values of object's attributes -- excluding hidden or callable ones"""

+        return self.__str__()

+

+

+class CustomISODateType(DateTimeType):

+    """Schematics doesn't support full ISO, so we use custom one"""

+    def to_native(self, value, context=None):

+        if isinstance(value, datetime.datetime):

+            return value

+        try:

+            return parse(value)

+        except:

+            raise ConversionError(u'Invalid timestamp {}'.format(value))

diff --git a/models/api/placementRequest.py b/models/api/placementRequest.py
new file mode 100644
index 0000000..73eac75
--- /dev/null
+++ b/models/api/placementRequest.py
@@ -0,0 +1,124 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 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 .common import OSDFModel
+from schematics.types import StringType, URLType, IntType, FloatType
+from schematics.types.compound import ModelType, ListType
+
+
+class RequestInfo(OSDFModel):
+    """Info for northbound request from client such as SO"""
+    transactionId = StringType(required=True)
+    requestId = StringType(required=True)
+    callbackUrl = URLType(required=True)
+    sourceId = StringType(required=True)
+    optimizer = ListType(StringType())
+    numSolutions = IntType()
+    timeout = IntType()
+    requestType = StringType()
+
+
+class CandidateInfo(OSDFModel):
+    """Preferred candidate for a resource (sent as part of a request from client)"""
+    candidateType = StringType(required=True)
+    candidates = ListType(StringType(required=True))
+
+
+class ResourceModelInfo(OSDFModel):
+    """Model information for a specific resource"""
+    modelCustomizationId = StringType(required=True)
+    modelInvariantId = StringType(required=True)
+    modelName = StringType()
+    modelVersion = StringType()
+    modelVersionId = StringType()
+    modelType = StringType()
+    operationalStatus = StringType()
+
+
+class ExistingLicenseInfo(OSDFModel):
+    entitlementPoolUUID = ListType(StringType())
+    licenseKeyGroupUUID = ListType(StringType())
+
+
+class LicenseDemand(OSDFModel):
+    resourceInstanceType = StringType(required=True)
+    serviceResourceId = StringType(required=True)
+    resourceModuleName = StringType(required=True)
+    resourceModelInfo = ModelType(ResourceModelInfo)
+    existingLicense = ModelType(ExistingLicenseInfo)
+
+
+class PlacementDemand(OSDFModel):
+    resourceInstanceType = StringType(required=True)
+    serviceResourceId = StringType(required=True)
+    resourceModuleName = StringType(required=True)
+    exclusionCandidateInfo = ListType(ModelType(CandidateInfo))
+    requiredCandidateInfo = ListType(ModelType(CandidateInfo))
+    resourceModelInfo = ModelType(ResourceModelInfo)
+    tenantId = StringType()
+    tenantName = StringType()
+
+
+class ExistingPlacementInfo(OSDFModel):
+    serviceInstanceId = StringType(required=True)
+
+
+class DemandInfo(OSDFModel):
+    """Requested resources (sent as part of a request from client)"""
+    placementDemand = ListType(ModelType(PlacementDemand))
+    licenseDemand = ListType(ModelType(LicenseDemand))
+
+
+class SubscriberInfo(OSDFModel):
+    """Details on the customer that subscribes to the VNFs"""
+    globalSubscriberId = StringType(required=True)
+    subscriberName = StringType()
+    subscriberCommonSiteId = StringType()
+
+
+class ServiceModelInfo(OSDFModel):
+    """ASDC Service model information"""
+    modelType = StringType(required=True)
+    modelInvariantId = StringType(required=True)
+    modelVersionId = StringType(required=True)
+    modelName = StringType(required=True)
+    modelVersion = StringType(required=True)
+
+
+class Location(OSDFModel):
+    latitude = FloatType(required=True)
+    longitude = FloatType(required=True)
+
+
+class PlacementInfo(OSDFModel):
+    """Information specific to placement optimization"""
+    serviceModelInfo = ModelType(ServiceModelInfo)
+    subscriberInfo = ModelType(SubscriberInfo)
+    demandInfo = ModelType(DemandInfo, required=True)
+    orderInfo = StringType()
+    policyId = ListType(StringType())
+    serviceInstanceId = StringType()
+    existingPlacement = ModelType(ExistingPlacementInfo)
+    location = ModelType(Location)
+    serviceType = StringType()
+
+
+class PlacementAPI(OSDFModel):
+    """Request for placement optimization (specific to optimization and additional metadata"""
+    requestInfo = ModelType(RequestInfo, required=True)
+    placementInfo = ModelType(PlacementInfo, required=True)
diff --git a/models/api/placementResponse.py b/models/api/placementResponse.py
new file mode 100644
index 0000000..e9746d6
--- /dev/null
+++ b/models/api/placementResponse.py
@@ -0,0 +1,57 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 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 .common import OSDFModel
+from schematics.types import StringType
+from schematics.types.compound import ModelType, ListType
+
+
+# TODO: update osdf.models
+
+class LicenseSolution(OSDFModel):
+    serviceResourceId = StringType(required=True)
+    resourceModuleName = StringType(required=True)
+    entitlementPoolList = ListType(StringType(required=True))
+    licenseKeyGroupList = ListType(StringType(required=True))
+
+
+class AssignmentInfo(OSDFModel):
+    variableName = StringType(required=True)
+    variableValue = StringType(required=True)
+
+
+class PlacementSolution(OSDFModel):
+    serviceResourceId = StringType(required=True)
+    resourceModuleName = StringType(required=True)
+    inventoryType = StringType(required=True)
+    serviceInstanceId = StringType()
+    cloudRegionId = StringType()
+    assignmentInfo = ListType(ModelType(AssignmentInfo))
+
+
+class SolutionInfo(OSDFModel):
+    placement = ListType(ModelType(PlacementSolution), min_size=1)
+    license = ListType(ModelType(LicenseSolution), min_size=1)
+
+
+class PlacementResponse(OSDFModel):
+    transactionId = StringType(required=True)
+    requestId = StringType(required=True)
+    requestState = StringType(required=True)
+    statusMessage = StringType(required=True)
+    solutionInfo = ModelType(SolutionInfo)