Add GET /vnf_lcm_op_occs API in GVNFM

Signed-off-by: Bharath Thiruveedula <bharath.thiruveedula@verizon.com>
Change-Id: I73f6be2d4c1ff130576ff3c0de2a6de0eb123a81
Issue-ID: VFC-997

7 files changed, 495 insertions, 0 deletions

diff --git a/lcm/lcm/nf/serializers/affected_storages.py b/lcm/lcm/nf/serializers/affected_storages.py
new file mode 100644
index 00000000..de66f288
--- /dev/null
+++ b/lcm/lcm/nf/serializers/affected_storages.py
@@ -0,0 +1,51 @@
+# Copyright (C) 2018 Verizon. All Rights Reserved.
+#
+# 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 rest_framework import serializers
+
+from resource_handle import ResourceHandleSerializer
+
+CHANGE_TYPES = [
+    "ADDED",
+    "REMOVED",
+    "MODIFIED",
+    "TEMPORARY"
+]
+
+
+class AffectedStoragesSerializer(serializers.Serializer):
+    id = serializers.UUIDField(
+        help_text="Identifier of the Storage instance, identifying the " +
+        "applicable 'virtualStorageResourceInfo' entry in the 'VnfInstance' data type",
+        required=True
+    )
+    virtualStorageDescId = serializers.UUIDField(
+        help_text="Identifier of the related VirtualStorage descriptor " +
+        "in the VNFD. ",
+        required=True
+    )
+    changeType = serializers.ChoiceField(
+        help_text="Signals the type of change",
+        required=True,
+        choices=CHANGE_TYPES
+    )
+    metadata = serializers.DictField(
+        help_text="Metadata about this resource. ",
+        required=False,
+        allow_null=True)
+    storageResource = ResourceHandleSerializer(
+        help_text="Reference to the VirtualStorage resource.",
+        required=True,
+        allow_null=False)
diff --git a/lcm/lcm/nf/serializers/affected_vls.py b/lcm/lcm/nf/serializers/affected_vls.py
new file mode 100644
index 00000000..7bd362ec
--- /dev/null
+++ b/lcm/lcm/nf/serializers/affected_vls.py
@@ -0,0 +1,52 @@
+# Copyright (C) 2018 Verizon. All Rights Reserved.
+#
+# 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 rest_framework import serializers
+
+from resource_handle import ResourceHandleSerializer
+
+CHANGE_TYPES = [
+    "ADDED",
+    "REMOVED",
+    "MODIFIED",
+    "TEMPORARY",
+    "LINK_PORT_ADDED",
+    "LINK_PORT_REMOVED"
+]
+
+
+class AffectedVLsSerializer(serializers.Serializer):
+    id = serializers.UUIDField(
+        help_text="Identifier of the virtual link instance, identifying " +
+        "the applicable 'vnfVirtualLinkResourceInfo' ",
+        required=True
+    )
+    virtualLinkDescId = serializers.UUIDField(
+        help_text="Identifier of the related VLD in the VNFD.",
+        required=True
+    )
+    changeType = serializers.ChoiceField(
+        help_text="Signals the type of change",
+        required=True,
+        choices=CHANGE_TYPES
+    )
+    metadata = serializers.DictField(
+        help_text="Metadata about this resource. ",
+        required=False,
+        allow_null=True)
+    networkResource = ResourceHandleSerializer(
+        help_text="Reference to the VirtualNetwork resource.",
+        required=True,
+        allow_null=False)
diff --git a/lcm/lcm/nf/serializers/affected_vnfcs.py b/lcm/lcm/nf/serializers/affected_vnfcs.py
new file mode 100644
index 00000000..85b83641
--- /dev/null
+++ b/lcm/lcm/nf/serializers/affected_vnfcs.py
@@ -0,0 +1,68 @@
+# Copyright (C) 2018 Verizon. All Rights Reserved.
+#
+# 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 rest_framework import serializers
+
+from resource_handle import ResourceHandleSerializer
+
+CHANGE_TYPES = [
+    "ADDED",
+    "REMOVED",
+    "MODIFIED",
+    "TEMPORARY"
+]
+
+
+class AffectedVnfcsSerializer(serializers.Serializer):
+    id = serializers.UUIDField(
+        help_text="Identifier of the Vnfc instance, identifying the " +
+        "applicable 'vnfcResourceInfo' entry in the 'VnfInstance' data type",
+        required=True
+    )
+    vduId = serializers.UUIDField(
+        help_text="Identifier of the related VDU in the VNFD.",
+        required=True
+    )
+    changeType = serializers.ChoiceField(
+        help_text="Signals the type of change",
+        required=True,
+        choices=CHANGE_TYPES
+    )
+    affectedVnfcCpIds = serializers.ListField(
+        help_text="Identifiers of CP(s) of the VNFC instance that " +
+        "were affected by the change",
+        required=False,
+        child=serializers.UUIDField(required=True)
+    )
+    addedStorageResourceIds = serializers.ListField(
+        help_text="References to VirtualStorage resources that " +
+        "have been added",
+        required=False,
+        child=serializers.UUIDField()
+    )
+    removedStorageResourceIds = serializers.ListField(
+        help_text="References to VirtualStorage resources that " +
+        "have been removed.",
+        required=False,
+        child=serializers.UUIDField()
+    )
+    metadata = serializers.DictField(
+        help_text="Metadata about this resource. ",
+        required=False,
+        allow_null=True)
+    computeResource = ResourceHandleSerializer(
+        help_text="Reference to the VirtualCompute resource.",
+        required=True,
+        allow_null=False)
diff --git a/lcm/lcm/nf/serializers/response.py b/lcm/lcm/nf/serializers/response.py
index 81f5ed54..132788ac 100644
--- a/lcm/lcm/nf/serializers/response.py
+++ b/lcm/lcm/nf/serializers/response.py
@@ -21,3 +21,8 @@ class ProblemDetailsSerializer(serializers.Serializer):
     status = serializers.IntegerField(help_text="Status", required=True)
     detail = serializers.CharField(help_text="Detail", required=True, allow_null=True)
     instance = serializers.CharField(help_text="Instance", required=False, allow_null=True)
+    additional_details = serializers.ListField(
+        help_text="Any number of additional attributes, as defined in a " +
+        "specification or by an implementation.",
+        required=False,
+        allow_null=True)
diff --git a/lcm/lcm/nf/serializers/vnf_info_modifications.py b/lcm/lcm/nf/serializers/vnf_info_modifications.py
new file mode 100644
index 00000000..8098a6ca
--- /dev/null
+++ b/lcm/lcm/nf/serializers/vnf_info_modifications.py
@@ -0,0 +1,99 @@
+# Copyright (C) 2018 Verizon. All Rights Reserved.
+#
+# 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 rest_framework import serializers
+
+from vim_connection_info import VimConnectionInfoSerializer
+
+
+class VnfInfoModificationsSerializer(serializers.Serializer):
+    vnfInstanceName = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfInstanceName' attribute in 'VnfInstance'",
+        max_length=255,
+        required=False,
+        allow_null=True,
+        allow_blank=True)
+    vnfInstanceDescription = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfInstanceDescription' attribute in 'VnfInstance'",
+        required=False,
+        allow_null=True,
+        allow_blank=True)
+    vnfdId = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfdId' attribute in 'VnfInstance'",
+        max_length=255,
+        required=False,
+        allow_null=True,
+        allow_blank=True)
+    vnfProvider = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfProvider'  attribute in 'VnfInstance'",
+        max_length=255,
+        required=False,
+        allow_null=True)
+    vnfProductName = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfProductName' attribute in 'vnfInstance'",
+        max_length=255,
+        required=False,
+        allow_null=True,
+        allow_blank=True)
+    vnfSoftwareVersion = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfSoftwareVersion' attribute in 'VnfInstance'.",
+        max_length=255,
+        required=False,
+        allow_null=True,
+        allow_blank=True)
+    vnfdVersion = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfdVersion' attribute in 'VnfInstance'. ",
+        max_length=255,
+        required=False,
+        allow_null=True,
+        allow_blank=False)
+    vnfPkgId = serializers.CharField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfPkgId' attribute in 'VnfInstance'.",
+        max_length=255,
+        required=False,
+        allow_null=True,
+        allow_blank=False)
+    vnfConfigurableProperties = serializers.DictField(
+        help_text="If present, this attribute signals modifications of the " +
+        "'vnfConfigurableProperties'  attribute in 'VnfInstance'. ",
+        child=serializers.CharField(help_text="KeyValue Pairs", allow_blank=True),
+        required=False,
+        allow_null=True,)
+    vimConnectionInfo = VimConnectionInfoSerializer(
+        help_text="If present, this attribute signals modifications of certain" +
+        "entries in the 'vimConnectionInfo'",
+        required=False,
+        many=True,
+        allow_null=True)
+    metadata = serializers.DictField(
+        help_text="If present, this attribute signals modifications of certain" +
+        "'metadata' attribute in 'vnfInstance'.",
+        child=serializers.CharField(help_text="KeyValue Pairs", allow_blank=True),
+        required=False,
+        allow_null=True)
+    extensions = serializers.DictField(
+        help_text="If present, this attribute signals modifications of certain" +
+        "'extensions' attribute in 'vnfInstance'.",
+        child=serializers.CharField(help_text="KeyValue Pairs", allow_blank=True),
+        required=False,
+        allow_null=True)
diff --git a/lcm/lcm/nf/serializers/vnf_lcm_op_occ.py b/lcm/lcm/nf/serializers/vnf_lcm_op_occ.py
new file mode 100644
index 00000000..f2ef664d
--- /dev/null
+++ b/lcm/lcm/nf/serializers/vnf_lcm_op_occ.py
@@ -0,0 +1,200 @@
+# Copyright (C) 2018 Verizon. All Rights Reserved.
+#
+# 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 rest_framework import serializers
+
+from affected_vnfcs import AffectedVnfcsSerializer
+from affected_vls import AffectedVLsSerializer
+from affected_storages import AffectedStoragesSerializer
+from response import ProblemDetailsSerializer
+from ext_virtual_link_info import ExtVirtualLinkInfoSerializer
+from vnf_info_modifications import VnfInfoModificationsSerializer
+
+
+LCM_OPERATION_TYPES = [
+    "INSTANTIATE",
+    "SCALE",
+    "SCALE_TO_LEVEL",
+    "CHANGE_FLAVOUR",
+    "TERMINATE",
+    "HEAL",
+    "OPERATE",
+    "CHANGE_EXT_CONN",
+    "MODIFY_INFO"
+]
+
+LCM_OPERATION_STATE_TYPES = [
+    "STARTING",
+    "PROCESSING",
+    "COMPLETED",
+    "FAILED_TEMP",
+    "FAILED",
+    "ROLLING_BACK",
+    "ROLLED_BACK"
+]
+
+
+class ResourceChangesSerializer(serializers.Serializer):
+    affectedVnfcs = AffectedVnfcsSerializer(
+        help_text="Information about VNFC instances that were affected " +
+        "during the lifecycle operation.",
+        required=False,
+        many=True
+    )
+    affectedVirtualLinks = AffectedVLsSerializer(
+        help_text="Information about VL instances that were affected " +
+        "during the lifecycle operation. ",
+        required=False,
+        many=True
+    )
+    affectedVirtualStorages = AffectedStoragesSerializer(
+        help_text="Information about virtualised storage instances that " +
+        "were affected during the lifecycle operation",
+        required=False,
+        many=True
+    )
+
+
+class LcmOpLinkSerializer(serializers.Serializer):
+    self = serializers.CharField(
+        help_text="URI of this resource.",
+        max_length=255,
+        required=True,
+        allow_null=False)
+    vnfInstance = serializers.CharField(
+        help_text="Link to the VNF instance that the operation applies to.",
+        required=True)
+    grant = serializers.CharField(
+        help_text="Link to the grant for this operation, if one exists.",
+        required=False)
+    cancel = serializers.CharField(
+        help_text="Link to the task resource that represents the 'cancel' " +
+        "operation for this VNF LCM operation occurrence.",
+        required=False)
+    retry = serializers.CharField(
+        help_text="Link to the task resource that represents the 'retry' " +
+        "operation for this VNF LCM operation occurrence, if" +
+        " retrying is currently allowed",
+        required=False)
+    rollback = serializers.CharField(
+        help_text="Link to the task resource that represents the 'cancel' " +
+        "operation for this VNF LCM operation occurrence.",
+        required=False)
+    fail = serializers.CharField(
+        help_text="Link to the task resource that represents the 'fail' " +
+        "operation for this VNF LCM operation occurrence.",
+        required=False)
+
+
+class VNFLCMOpOccSerializer(serializers.Serializer):
+    id = serializers.CharField(
+        help_text="Identifier of this VNF lifecycle management operation" +
+        "occurrence,",
+        max_length=255,
+        required=True,
+        allow_null=False
+    )
+    operationState = serializers.ChoiceField(
+        help_text="The state of the VNF LCM operation occurrence. ",
+        required=True,
+        choices=LCM_OPERATION_STATE_TYPES
+    )
+    stateEnteredTime = serializers.CharField(
+        help_text="Date-time when the current state was entered.",
+        max_length=50
+    )
+    startTime = serializers.CharField(
+        help_text="Date-time of the start of the operation.",
+        max_length=50
+    )
+    vnfInstanceId = serializers.UUIDField(
+        help_text="Identifier of the VNF instance to which the operation" +
+        "applies"
+    )
+    grantId = serializers.UUIDField(
+        help_text="Identifier of the grant related to this VNF LCM operation " +
+                  "occurrence, if such grant exists.",
+        allow_null=True
+    )
+    operation = serializers.ChoiceField(
+        help_text="The lifecycle management operation",
+        required=True,
+        choices=LCM_OPERATION_TYPES
+    )
+    isAutomaticInvocation = serializers.BooleanField(
+        help_text="Set to true if this VNF LCM operation occurrence has " +
+        "been triggered by an automated procedure inside the VNFM. " +
+        "Set to False otherwise.",
+        default=False
+    )
+    operationParams = serializers.DictField(
+        help_text="Input parameters of the LCM operation. This attribute " +
+        "shall be formatted according to the request data type of the " +
+        "related LCM operation. The following mapping between operationType and the " +
+        "data type of this attribute shall apply: " +
+        "1. INSTANTIATE: InstantiateVnfRequest" +
+        "2. SCALE: ScaleVnfRequest " +
+        "3. SCALE_TO_LEVEL: ScaleVnfToLevelRequest " +
+        "4. CHANGE_FLAVOUR: ChangeVnfFlavourRequest " +
+        "5. OPERATE: OperateVnfRequest " +
+        "6. HEAL: HealVnfRequest " +
+        "7. CHANGE_EXT_CONN: ChangeExtVnfConnectivityRequest " +
+        "8. TERMINATE: TerminateVnfRequest " +
+        "9. MODIFY_INFO: VnfInfoModifications",
+        required=True,
+        allow_null=False
+    )
+    isCancelPending = serializers.BooleanField(
+        help_text="If the VNF LCM operation occurrence is in 'STARTING'" +
+        "'PROCESSING' or 'ROLLING_BACK' state and the operation is being" +
+        " cancelled, this attribute shall be set to True. Otherwise, " +
+        " it shall be set to False.",
+        required=True
+    )
+    cancelMode = serializers.CharField(
+        help_text="The mode of an ongoing cancellation. Shall be present " +
+        "when isCancelPending=true, and shall be None otherwise.",
+        allow_null=True,
+        required=False
+    )
+    error = ProblemDetailsSerializer(
+        help_text="If 'operationState' is 'FAILED_TEMP' or 'FAILED' or " +
+        "'PROCESSING' or 'ROLLING_BACK' and previous value of 'operationState' " +
+        "was 'FAILED_TEMP'  this attribute shall be present ",
+        allow_null=True,
+        required=False
+    )
+    resourceChanges = ResourceChangesSerializer(
+        help_text="It contains information about the cumulative changes " +
+        "to virtualised resources that were performed so far by the LCM " +
+        "operation since its start, if applicable.",
+        required=False,
+        allow_null=True)
+    changedInfo = VnfInfoModificationsSerializer(
+        help_text="Information about the changed VNF instance information, " +
+        "including VNF configurable properties",
+        required=False,
+        allow_null=True)
+    changedExtConnectivity = ExtVirtualLinkInfoSerializer(
+        help_text="Information about changed external connectivity, if this " +
+        "notification represents the result of a lifecycle operation occurrence. " +
+        "Shall be present if the 'notificationStatus' is set to 'RESULT' and the " +
+        "'operation' is set to 'CHANGE_EXT_CONN'. Shall be absent otherwise.",
+        many=True,
+        required=False,
+        allow_null=True)
+    _links = LcmOpLinkSerializer(
+        help_text="Links to resources related to this resource.",
+        required=True)
diff --git a/lcm/lcm/nf/serializers/vnf_lcm_op_occs.py b/lcm/lcm/nf/serializers/vnf_lcm_op_occs.py
new file mode 100644
index 00000000..6cb70906
--- /dev/null
+++ b/lcm/lcm/nf/serializers/vnf_lcm_op_occs.py
@@ -0,0 +1,20 @@
+# Copyright (C) 2018 Verizon. All Rights Reserved.
+#
+# 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 rest_framework import serializers
+from vnf_lcm_op_occ import VNFLCMOpOccSerializer
+
+
+class VNFLCMOpOccsSerializer(serializers.ListSerializer):
+    child = VNFLCMOpOccSerializer()