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/*
* Copyright 2016-2017, Nokia Corporation
*
* 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.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm;
import com.nokia.cbam.catalog.v1.model.CatalogAdapterVnfpackage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import okhttp3.Headers;
import okhttp3.RequestBody;
import okhttp3.ResponseBody;
import okhttp3.internal.http.RealResponseBody;
import okio.Buffer;
import okio.BufferedSource;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.api.IPackageProvider;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.TestUtil;
import static junit.framework.TestCase.*;
import static org.junit.Assert.assertArrayEquals;
import static org.mockito.Mockito.*;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.CatalogManager.getFileInZip;
import static org.springframework.test.util.ReflectionTestUtils.setField;
public class TestCbamCatalogManager extends TestBase {
private static final String CSAR_ID = "csarId";
private static final String CBAM_VNFD_ID = "CBAM_VNFD_ID";
private CatalogManager cbamCatalogManager;
@Mock
private IPackageProvider packageProvider;
private List<CatalogAdapterVnfpackage> existingVnfPackages = new ArrayList<>();
private ArgumentCaptor<RequestBody> uploadedFile = ArgumentCaptor.forClass(RequestBody.class);
@Before
public void initMocks() throws Exception {
setField(CatalogManager.class, "logger", logger);
when(cbamCatalogApi.list()).thenReturn(buildObservable(existingVnfPackages));
cbamCatalogManager = new CatalogManager(cbamRestApiProvider, packageProvider);
}
/**
* the package is transferred from source to CBAM catalog
*/
@Test
public void testPackageTransfer() throws Exception {
CatalogAdapterVnfpackage existingPackage = new CatalogAdapterVnfpackage();
existingPackage.setVnfdId("unknownId");
existingVnfPackages.add(existingPackage);
CatalogAdapterVnfpackage createdPackage = new CatalogAdapterVnfpackage();
createdPackage.setVnfdId(CBAM_VNFD_ID);
when(cbamCatalogApi.create(uploadedFile.capture())).thenReturn(buildObservable(createdPackage));
byte[] onapPackageContent = TestUtil.loadFile("unittests/TestCbamCatalogManager.sample.csar");
when(packageProvider.getPackage(CSAR_ID)).thenReturn(onapPackageContent);
when(packageProvider.getCbamVnfdId(CSAR_ID)).thenReturn(CBAM_VNFD_ID);
//when
CatalogAdapterVnfpackage cbamPackage = cbamCatalogManager.preparePackageInCbam(VNFM_ID, CSAR_ID);
//verify
byte[] a2 = getContent(uploadedFile.getValue());
assertArrayEquals(getFileInZip(new ByteArrayInputStream(onapPackageContent), "Artifacts/Deployment/OTHER/cbam.package.zip").toByteArray(), a2);
assertEquals(createdPackage, cbamPackage);
}
/**
* the package is transfer fails, but the package has been uploaded (possibly by other thread / work flow)
* the transfer succeeds
*/
@Test
public void testPackageTransferConcurrency() throws Exception {
CatalogAdapterVnfpackage existingPackage = new CatalogAdapterVnfpackage();
existingPackage.setVnfdId("unknownId");
existingVnfPackages.add(existingPackage);
CatalogAdapterVnfpackage createdPackage = new CatalogAdapterVnfpackage();
createdPackage.setVnfdId(CBAM_VNFD_ID);
byte[] onapPackageContent = TestUtil.loadFile("unittests/TestCbamCatalogManager.sample.csar");
when(packageProvider.getPackage(CSAR_ID)).thenReturn(onapPackageContent);
when(packageProvider.getCbamVnfdId(CSAR_ID)).thenReturn(CBAM_VNFD_ID);
RuntimeException can_not_upload_package = new RuntimeException("Can not upload package");
when(cbamCatalogApi.create(uploadedFile.capture())).thenAnswer(new Answer<CatalogAdapterVnfpackage>() {
@Override
public CatalogAdapterVnfpackage answer(InvocationOnMock invocationOnMock) throws Throwable {
//this is done by an other thread
existingVnfPackages.add(createdPackage);
when(cbamCatalogApi.getById(CBAM_VNFD_ID)).thenReturn(buildObservable(createdPackage));
throw can_not_upload_package;
}
});
//when
CatalogAdapterVnfpackage cbamPackage = cbamCatalogManager.preparePackageInCbam(VNFM_ID, CSAR_ID);
//verify
//the correct portion of the package is extracted and uploaded to CBAM
byte[] expectedContentToUpload = getFileInZip(new ByteArrayInputStream(onapPackageContent), "Artifacts/Deployment/OTHER/cbam.package.zip").toByteArray();
assertTrue(Arrays.equals(expectedContentToUpload, getContent(uploadedFile.getValue())));
assertEquals(createdPackage, cbamPackage);
verify(logger).debug("Probably concurrent package uploads", can_not_upload_package);
}
/**
* If the package already exists in CBAM catalog it is not re-uploaded
*/
@Test
public void testIdempotentPackageUpload() throws Exception {
CatalogAdapterVnfpackage createdPackage = new CatalogAdapterVnfpackage();
createdPackage.setVnfdId(CBAM_VNFD_ID);
when(cbamCatalogApi.create(uploadedFile.capture())).thenAnswer(new Answer<CatalogAdapterVnfpackage>() {
@Override
public CatalogAdapterVnfpackage answer(InvocationOnMock invocationOnMock) throws Throwable {
return createdPackage;
}
});
when(packageProvider.getCbamVnfdId(CSAR_ID)).thenReturn(CBAM_VNFD_ID);
CatalogAdapterVnfpackage existingPackage = new CatalogAdapterVnfpackage();
existingPackage.setVnfdId(CBAM_VNFD_ID);
existingVnfPackages.add(existingPackage);
when(cbamCatalogApi.getById(CBAM_VNFD_ID)).thenReturn(buildObservable(existingPackage));
//when
CatalogAdapterVnfpackage cbamPackage = cbamCatalogManager.preparePackageInCbam(VNFM_ID, CSAR_ID);
//verify
verify(cbamCatalogApi, never()).create(Mockito.any());
assertEquals(existingPackage, cbamPackage);
verify(packageProvider, never()).getPackage(CSAR_ID);
}
/**
* failure to list package in CBAM results in error
*/
@Test
public void testFailureToListVnfPackagesInCbam() throws Exception {
when(packageProvider.getCbamVnfdId(CSAR_ID)).thenReturn(CBAM_VNFD_ID);
RuntimeException expectedException = new RuntimeException();
when(cbamCatalogApi.list()).thenThrow(expectedException);
//when
try {
cbamCatalogManager.preparePackageInCbam(VNFM_ID, CSAR_ID);
fail();
} catch (Exception e) {
verify(logger).error("Unable to determine if the VNF package has been replicated in CBAM", expectedException);
assertEquals(expectedException, e.getCause());
}
}
/**
* failure to query package from CBAM results in error
*/
@Test
public void testFailureToQueryVnfPackagesFromCbam() throws Exception {
when(packageProvider.getCbamVnfdId(CSAR_ID)).thenReturn(CBAM_VNFD_ID);
CatalogAdapterVnfpackage existingPackage = new CatalogAdapterVnfpackage();
existingPackage.setVnfdId(CBAM_VNFD_ID);
existingVnfPackages.add(existingPackage);
RuntimeException expectedException = new RuntimeException();
when(cbamCatalogApi.getById(CBAM_VNFD_ID)).thenThrow(expectedException);
//when
try {
cbamCatalogManager.preparePackageInCbam(VNFM_ID, CSAR_ID);
fail();
} catch (Exception e) {
verify(logger).error("Unable to query VNF package with CBAM_VNFD_ID from CBAM", expectedException);
assertEquals(expectedException, e.getCause());
}
}
/**
* failure to create package in CBAM results in error
*/
@Test
public void testFailureToCreatePackageInCbam() throws Exception {
CatalogAdapterVnfpackage existingPackage = new CatalogAdapterVnfpackage();
existingPackage.setVnfdId("unknownId");
existingVnfPackages.add(existingPackage);
when(packageProvider.getCbamVnfdId(CSAR_ID)).thenReturn(CBAM_VNFD_ID);
byte[] onapPackageContent = TestUtil.loadFile("unittests/TestCbamCatalogManager.sample.csar");
when(packageProvider.getPackage(CSAR_ID)).thenReturn(onapPackageContent);
RuntimeException expectedException = new RuntimeException();
when(cbamCatalogApi.create(Mockito.any())).thenThrow(expectedException);
try {
cbamCatalogManager.preparePackageInCbam(VNFM_ID, CSAR_ID);
fail();
} catch (Exception e) {
verify(logger).error("Unable to create VNF with csarId CSAR identifier in package in CBAM", expectedException);
assertEquals(expectedException, e.getCause());
}
}
/**
* the VNFD is extracted from zip
*/
@Test
public void testExtractVnfdFromPackage() throws Exception {
when(cbamCatalogApi.content(CBAM_VNFD_ID)).thenReturn(buildObservable(buildResponse(TestUtil.loadFile("unittests/cbam.package.zip"))));
//when
String content = cbamCatalogManager.getCbamVnfdContent(VNFM_ID, CBAM_VNFD_ID);
//verify
assertEquals("dummy vnfd\n", content);
}
/**
* if VNFD the Tosca meta can not be extracted sensible error is returned
*/
@Test
public void testEmptyCbamPackage() throws Exception {
when(cbamCatalogApi.content(CBAM_VNFD_ID)).thenReturn(buildObservable(buildResponse(TestUtil.loadFile("unittests/empty.zip"))));
//when
try {
cbamCatalogManager.getCbamVnfdContent(VNFM_ID, CBAM_VNFD_ID);
fail();
} catch (RuntimeException e) {
verify(logger).error("Unable to get package with (CBAM_VNFD_ID)", e.getCause());
assertEquals("Unable to find the TOSCA-Metadata/TOSCA.meta in archive found: []", e.getCause().getMessage());
}
}
/**
* if VNFD can not be extracted sensible error is returned
*/
@Test
public void testMissingVnfdCbamPackage() throws Exception {
byte[] bytes = TestUtil.loadFile("unittests/missing.vnfd.zip");
when(cbamCatalogApi.content(CBAM_VNFD_ID)).thenReturn(buildObservable(buildResponse(bytes)));
//when
try {
cbamCatalogManager.getCbamVnfdContent(VNFM_ID, CBAM_VNFD_ID);
fail();
} catch (RuntimeException e) {
verify(logger).error("Unable to get package with (" + CBAM_VNFD_ID + ")", e.getCause());
assertTrue("Unable to find the vnfdloc/a.yaml in archive found: [TOSCA-Metadata/, TOSCA-Metadata/TOSCA.meta]".equals(e.getCause().getMessage())
|| "Unable to find the vnfdloc/a.yaml in archive found: [TOSCA-Metadata/TOSCA.meta, TOSCA-Metadata/]".equals(e.getCause().getMessage())
);
}
}
private ResponseBody buildResponse(byte[] content) throws IOException {
Headers headers = new Headers.Builder().build();
Buffer buffer = new Buffer();
buffer.write(content);
BufferedSource response = buffer;
return new RealResponseBody(headers, response);
}
}
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