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# http://www.apache.org/licenses/LICENSE-2.0
"""CDS onboard module."""
from abc import ABC
from pathlib import Path
from typing import Any, Dict
from kubernetes import client, config
from kubernetes.client.exceptions import ApiException
from onapsdk.cds import Blueprint, DataDictionarySet
from onapsdk.cds.blueprint import Workflow
from onapsdk.cds.blueprint_processor import Blueprintprocessor
from onapsdk.configuration import settings
import urllib3
from onaptests.steps.base import BaseStep
from onaptests.utils.exceptions import OnapTestException
class CDSBaseStep(BaseStep, ABC):
"""Abstract CDS base step."""
@property
def component(self) -> str:
"""Component name."""
return "CDS"
class ExposeCDSBlueprintprocessorNodePortStep(CDSBaseStep):
"""Expose CDS blueprintsprocessor port."""
def __init__(self, cleanup: bool) -> None:
"""Initialize step."""
super().__init__(cleanup=cleanup)
self.service_name: str = "cds-blueprints-processor-http"
if settings.IN_CLUSTER:
config.load_incluster_config()
else:
config.load_kube_config(config_file=settings.K8S_CONFIG)
self.k8s_client: client.CoreV1Api = client.CoreV1Api()
@property
def description(self) -> str:
"""Step description."""
return "Expose CDS blueprintsprocessor NodePort."
def is_service_node_port_type(self) -> bool:
"""Check if CDS blueprints processor service type is 'NodePort'
Raises:
OnapTestException: Kubernetes API error
Returns:
bool: True if service type is 'NodePort', False otherwise
"""
try:
service_data: Dict[str, Any] = self.k8s_client.read_namespaced_service(
self.service_name,
settings.K8S_ONAP_NAMESPACE
)
return service_data.spec.type == "NodePort"
except ApiException:
self._logger.exception("Kubernetes API exception")
raise OnapTestException
@BaseStep.store_state
def execute(self) -> None:
"""Expose CDS blueprintprocessor port using kubernetes client.
Use settings values:
- K8S_CONFIG,
- K8S_ONAP_NAMESPACE.
- EXPOSE_SERVICES_NODE_PORTS
"""
super().execute()
if not self.is_service_node_port_type():
try:
self.k8s_client.patch_namespaced_service(
self.service_name,
settings.K8S_ONAP_NAMESPACE,
{"spec": {"ports": [{"port": 8080, "nodePort": 30449}], "type": "NodePort"}}
)
except ApiException:
self._logger.exception("Kubernetes API exception")
raise OnapTestException
except urllib3.exceptions.HTTPError:
self._logger.exception("Can't connect with k8s")
raise OnapTestException
else:
self._logger.debug("Service already patched, skip")
def cleanup(self) -> None:
"""Step cleanup.
Restore CDS blueprintprocessor service.
"""
if self.is_service_node_port_type():
try:
self.k8s_client.patch_namespaced_service(
self.service_name,
settings.K8S_ONAP_NAMESPACE,
[
{
"op": "remove",
"path": "/spec/ports/0/nodePort"
},
{
"op": "replace",
"path": "/spec/type",
"value": "ClusterIP"
}
]
)
except ApiException:
self._logger.exception("Kubernetes API exception")
raise OnapTestException
except urllib3.exceptions.HTTPError:
self._logger.exception("Can't connect with k8s")
raise OnapTestException
else:
self._logger.debug("Service is not 'NodePort' type, skip")
return super().cleanup()
class BootstrapBlueprintprocessor(CDSBaseStep):
"""Bootstrap blueprintsprocessor."""
def __init__(self, cleanup: bool = False) -> None:
"""Initialize step.
Substeps:
- ExposeCDSBlueprintprocessorNodePortStep.
"""
super().__init__(cleanup=cleanup)
if settings.EXPOSE_SERVICES_NODE_PORTS:
self.add_step(ExposeCDSBlueprintprocessorNodePortStep(cleanup=cleanup))
@property
def description(self) -> str:
"""Step description."""
return "Bootstrap CDS blueprintprocessor"
@BaseStep.store_state
def execute(self) -> None:
"""Bootsrap CDS blueprintprocessor."""
super().execute()
Blueprintprocessor.bootstrap()
class DataDictionaryUploadStep(CDSBaseStep):
"""Upload data dictionaries to CDS step."""
def __init__(self, cleanup: bool = False) -> None:
"""Initialize data dictionary upload step."""
super().__init__(cleanup=cleanup)
self.add_step(BootstrapBlueprintprocessor(cleanup=cleanup))
@property
def description(self) -> str:
"""Step description."""
return "Upload data dictionaries to CDS."
@BaseStep.store_state
def execute(self) -> None:
"""Upload data dictionary to CDS.
Use settings values:
- CDS_DD_FILE.
"""
super().execute()
dd_set: DataDictionarySet = DataDictionarySet.load_from_file(settings.CDS_DD_FILE)
dd_set.upload()
class CbaEnrichStep(CDSBaseStep):
"""Enrich CBA file step."""
def __init__(self, cleanup=False) -> None:
"""Initialize CBA enrichment step."""
super().__init__(cleanup=cleanup)
self.add_step(DataDictionaryUploadStep(cleanup=cleanup))
@property
def description(self) -> str:
"""Step description."""
return "Enrich CBA file."
@BaseStep.store_state
def execute(self) -> None:
"""Enrich CBA file.
Use settings values:
- CDS_DD_FILE.
"""
super().execute()
blueprint: Blueprint = Blueprint.load_from_file(settings.CDS_CBA_UNENRICHED)
enriched: Blueprint = blueprint.enrich()
enriched.save(settings.CDS_CBA_ENRICHED)
@BaseStep.store_state(cleanup=True)
def cleanup(self) -> None:
"""Cleanup enrichment step.
Delete enriched CBA file.
"""
Path(settings.CDS_CBA_ENRICHED).unlink()
super().cleanup()
class CbaPublishStep(CDSBaseStep):
"""Publish CBA file step."""
def __init__(self, cleanup=False) -> None:
"""Initialize CBA publish step."""
super().__init__(cleanup=cleanup)
"""Let's skip enrichment if enriched CBA is already present"""
if Path.is_file(settings.CDS_CBA_UNENRICHED):
self.add_step(CbaEnrichStep(cleanup=cleanup))
elif settings.EXPOSE_SERVICES_NODE_PORTS:
self.add_step(ExposeCDSBlueprintprocessorNodePortStep(cleanup=cleanup))
@property
def description(self) -> str:
"""Step description."""
return "Publish CBA file."
@BaseStep.store_state
def execute(self) -> None:
"""Publish CBA file.
Use settings values:
- CDS_CBA_ENRICHED.
"""
super().execute()
blueprint: Blueprint = Blueprint.load_from_file(settings.CDS_CBA_ENRICHED)
blueprint.publish()
class CbaProcessStep(CDSBaseStep):
"""Process CBA step."""
def __init__(self, cleanup=False) -> None:
"""Initialize CBA process step."""
super().__init__(cleanup=cleanup)
self.add_step(CbaPublishStep(cleanup=cleanup))
@property
def description(self) -> str:
"""Step description."""
return "Process CBA file."
@BaseStep.store_state
def execute(self) -> None:
"""Process CBA file.
Check if output is equal to expected
Use settings values:
- CDS_CBA_ENRICHED,
- CDS_WORKFLOW_NAME,
- CDS_WORKFLOW_INPUT
"""
super().execute()
blueprint: Blueprint = Blueprint.load_from_file(settings.CDS_CBA_ENRICHED)
workflow: Workflow = blueprint.get_workflow_by_name(settings.CDS_WORKFLOW_NAME)
output: Dict[str, Any] = workflow.execute(settings.CDS_WORKFLOW_INPUT)
if not output == settings.CDS_WORKFLOW_EXPECTED_OUTPUT:
raise OnapTestException("Response is not equal to the expected one")
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