probe sdc by retrieving service model if uuid configured

If system.properties has value for probe.sdc.model.uuid then usd
this value for retrieving service model
otherwise probe only sdc connectivity with sdc2/rest/healthCheck

Issue-ID: VID-378
Signed-off-by: Eylon Malin <eylon.malin@intl.att.com>
Change-Id: Icd1c31217e56a8c0cfa5c2f2bc5f11e0c8dd7ff8
Signed-off-by: Eylon Malin <eylon.malin@intl.att.com>

3 files changed, 384 insertions, 4 deletions

diff --git a/vid-app-common/src/test/java/org/onap/vid/aai/AaiClientTest.java b/vid-app-common/src/test/java/org/onap/vid/aai/AaiClientTest.java
index b2d8e85fa..9793862ca 100644
--- a/vid-app-common/src/test/java/org/onap/vid/aai/AaiClientTest.java
+++ b/vid-app-common/src/test/java/org/onap/vid/aai/AaiClientTest.java
@@ -56,6 +56,7 @@ import java.net.URI;
 import java.security.cert.CertificateException;
 import java.util.ArrayList;
 import java.util.Map;
+import java.util.Optional;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
 import java.util.stream.Stream;
diff --git a/vid-app-common/src/test/java/org/onap/vid/asdc/local/LocalAsdcClient.java b/vid-app-common/src/test/java/org/onap/vid/asdc/local/LocalAsdcClient.java
new file mode 100644
index 000000000..2f5853e47
--- /dev/null
+++ b/vid-app-common/src/test/java/org/onap/vid/asdc/local/LocalAsdcClient.java
@@ -0,0 +1,232 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * VID
+ * ================================================================================
+ * Copyright (C) 2017 - 2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 Nokia. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.vid.asdc.local;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.joshworks.restclient.http.HttpResponse;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.UUID;
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.onap.vid.aai.HttpResponseWithRequestInfo;
+import org.onap.vid.asdc.AsdcCatalogException;
+import org.onap.vid.asdc.AsdcClient;
+import org.onap.vid.asdc.beans.Service;
+import org.onap.vid.exceptions.GenericUncheckedException;
+
+/**
+ * The Class LocalAsdcClient.
+ */
+public class LocalAsdcClient implements AsdcClient {
+
+
+    public static final String SERVICES = "services";
+    /**
+     * The catalog.
+     */
+    private final JSONObject catalog;
+
+    /**
+     * The mapper.
+     */
+    private final ObjectMapper mapper;
+
+    /**
+     * Instantiates a new in local sdc client.
+     *
+     * @param builder the builder
+     */
+    public LocalAsdcClient(org.onap.vid.asdc.local.LocalAsdcClient.Builder builder) {
+        catalog = builder.catalog;
+        mapper = builder.mapper;
+    }
+
+    /**
+     * Gets the catalog.
+     *
+     * @return the catalog
+     */
+    private JSONObject getCatalog() {
+        return catalog;
+    }
+
+    /**
+     * Gets the mapper.
+     *
+     * @return the mapper
+     */
+    private ObjectMapper getMapper() {
+        return mapper;
+    }
+
+    /**
+     * Convert.
+     *
+     * @param <T>   the generic type
+     * @param json  the json
+     * @param clazz the clazz
+     * @return the t
+     * @throws AsdcCatalogException the sdc catalog exception
+     */
+    private <T> T convert(JSONObject json, Class<T> clazz) throws AsdcCatalogException {
+        try {
+            return getMapper().readValue(json.toString(), clazz);
+        } catch (JsonParseException e) {
+            throw new AsdcCatalogException("Failed to parse SDC response (bad data)", e);
+        } catch (JsonMappingException e) {
+            throw new AsdcCatalogException("Failed to map SDC response to internal VID data structure(s)", e);
+        } catch (IOException e) {
+            throw new AsdcCatalogException("Failed to get a response from SDC", e);
+        }
+    }
+
+    /* (non-Javadoc)
+     * @see org.onap.vid.asdc.AsdcClient#getService(java.util.UUID)
+     */
+    public Service getService(UUID uuid) throws AsdcCatalogException {
+
+        JSONObject serviceJsonObject = null;
+        final JSONArray categoryJsonArray = getCatalog().getJSONArray(SERVICES);
+
+        for (int i = 0; i < categoryJsonArray.length(); i++) {
+            JSONObject jsonServiceObject = categoryJsonArray.getJSONObject(i);
+            if (jsonServiceObject.get("uuid").equals(uuid.toString())) {
+                serviceJsonObject = jsonServiceObject;
+                break;
+            }
+        }
+
+        if (serviceJsonObject != null)
+            return convert(serviceJsonObject, Service.class);
+        else return null;
+    }
+
+    /* (non-Javadoc)
+     * @see org.onap.vid.asdc.AsdcClient#getServiceToscaModel(java.util.UUID)
+     */
+    public Path getServiceToscaModel(UUID serviceUuid) {
+
+        String toscaModelURL = null;
+
+        final JSONArray categoryJsonArray = getCatalog().getJSONArray(SERVICES);
+
+        for (int i = 0; i < categoryJsonArray.length(); i++) {
+
+            JSONObject jsonServiceObject = categoryJsonArray.getJSONObject(i);
+            if (jsonServiceObject.get("uuid").equals(serviceUuid.toString())) {
+                toscaModelURL = jsonServiceObject.getString("toscaModelURL");
+            }
+        }
+        if (toscaModelURL == null) {
+            return null;
+        }
+        ClassLoader classLoader = getClass().getClassLoader();
+
+        try {
+            File file = new File(classLoader.getResource(toscaModelURL).getFile());
+            //using URLDecoder.decode to convert special characters from %XX to real character
+            //see https://stackoverflow.com/questions/32251251/java-classloader-getresource-with-special-characters-in-path
+            return Paths.get(URLDecoder.decode(file.getPath(), "UTF-8"));
+        } catch (RuntimeException | UnsupportedEncodingException e) {
+            throw new GenericUncheckedException("Can't find " + toscaModelURL, e);
+        }
+    }
+
+    @Override
+    public HttpResponse<String> checkSDCConnectivity() {
+        return HttpResponse.fallback("");
+    }
+
+    @Override
+    public HttpResponseWithRequestInfo<InputStream> getServiceInputStream(UUID serviceUuid, boolean warpException) {
+        return null;
+    }
+
+    @Override
+    public String getBaseUrl(){
+        return "";
+    }
+
+    /**
+     * The Class Builder.
+     */
+    public static class Builder {
+
+        /**
+         * The catalog.
+         */
+        private JSONObject catalog = new JSONObject()
+                .put("resources", new JSONObject())
+                .put(SERVICES, new JSONObject());
+
+        /**
+         * The mapper.
+         */
+        private ObjectMapper mapper = new ObjectMapper();
+
+        /**
+         * Instantiates a new builder.
+         */
+        public Builder() {
+        }
+
+        /**
+         * Catalog.
+         *
+         * @param catalog the catalog
+         * @return the builder
+         */
+        public org.onap.vid.asdc.local.LocalAsdcClient.Builder catalog(JSONObject catalog) {
+            this.catalog = catalog;
+            return this;
+        }
+
+        /**
+         * Mapper.
+         *
+         * @param mapper the mapper
+         * @return the builder
+         */
+        public org.onap.vid.asdc.local.LocalAsdcClient.Builder mapper(ObjectMapper mapper) {
+            this.mapper = mapper;
+            return this;
+        }
+
+        /**
+         * Builds the.
+         *
+         * @return the in local sdc client
+         */
+        public org.onap.vid.asdc.local.LocalAsdcClient build() {
+            return new org.onap.vid.asdc.local.LocalAsdcClient(this);
+        }
+    }
+
+}
diff --git a/vid-app-common/src/test/java/org/onap/vid/services/VidServiceImplTest.java b/vid-app-common/src/test/java/org/onap/vid/services/VidServiceImplTest.java
index ff6b7f0b1..65712b423 100644
--- a/vid-app-common/src/test/java/org/onap/vid/services/VidServiceImplTest.java
+++ b/vid-app-common/src/test/java/org/onap/vid/services/VidServiceImplTest.java
@@ -21,27 +21,44 @@
 package org.onap.vid.services;
 
 import static java.util.stream.Collectors.toMap;
+import static org.apache.commons.lang3.ObjectUtils.defaultIfNull;
 import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.is;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.core.IsSame.sameInstance;
 import static org.junit.Assert.assertThat;
+import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
+import static org.testng.AssertJUnit.assertTrue;
 
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import io.joshworks.restclient.http.HttpResponse;
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
 import java.util.Map;
 import java.util.UUID;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import javax.ws.rs.ProcessingException;
+import org.apache.commons.lang3.RandomUtils;
 import org.apache.commons.lang3.reflect.FieldUtils;
+import org.apache.commons.lang3.tuple.Triple;
 import org.mockito.Answers;
 import org.mockito.Mock;
 import org.mockito.MockitoAnnotations;
 import org.onap.sdc.tosca.parser.exceptions.SdcToscaParserException;
+import org.onap.vid.aai.ExceptionWithRequestInfo;
+import org.onap.vid.aai.HttpResponseWithRequestInfo;
 import org.onap.vid.asdc.AsdcCatalogException;
 import org.onap.vid.asdc.AsdcClient;
 import org.onap.vid.asdc.beans.Service;
@@ -50,7 +67,10 @@ import org.onap.vid.model.ServiceModel;
 import org.onap.vid.model.probes.ExternalComponentStatus;
 import org.onap.vid.model.probes.HttpRequestMetadata;
 import org.onap.vid.properties.Features;
+import org.onap.vid.testUtils.TestUtils;
+import org.springframework.http.HttpMethod;
 import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.DataProvider;
 import org.testng.annotations.Test;
 import org.togglz.core.manager.FeatureManager;
 
@@ -151,10 +171,7 @@ public class VidServiceImplTest {
 
     @Test
     public void shouldCheckConnectionToSdc() {
-        when(asdcClientMock.checkSDCConnectivity()).thenReturn(httpResponse);
-        when(httpResponse.isSuccessful()).thenReturn(true);
-        when(httpResponse.getBody()).thenReturn("sampleBody");
-
+        mockGoodSdcConnectivityResponse();
 
         ExternalComponentStatus externalComponentStatus = vidService.probeComponent();
 
@@ -164,6 +181,12 @@ public class VidServiceImplTest {
         assertThat(metadata.getRawData(), is("sampleBody"));
     }
 
+    private void mockGoodSdcConnectivityResponse() {
+        when(asdcClientMock.checkSDCConnectivity()).thenReturn(httpResponse);
+        when(httpResponse.isSuccessful()).thenReturn(true);
+        when(httpResponse.getBody()).thenReturn("sampleBody");
+    }
+
     @Test
     public void shouldProperlyHandleNotWorkingSDCConnection(){
         when(asdcClientMock.checkSDCConnectivity()).thenThrow(new RuntimeException("not working"));
@@ -173,5 +196,129 @@ public class VidServiceImplTest {
         assertThat(externalComponentStatus.isAvailable(), is(false));
         assertThat(externalComponentStatus.getMetadata().getDescription(),containsString("not working"));
     }
+
+    @Test
+    public void shouldNotProbeBySdcConnectionIfProbeUuidConfigured() throws Exception {
+        TestUtils.testWithSystemProperty(
+            "probe.sdc.model.uuid",
+            UUID.randomUUID().toString(),
+            ()->{
+                mockGoodSdcConnectivityResponse(); //no mocking for probeSdcByGettingModel
+                ExternalComponentStatus externalComponentStatus = vidService.probeComponent();
+                assertThat(externalComponentStatus.isAvailable(), is(false));
+            }
+        );
+    }
+
+
+    @Test
+    public void givenProbeUUID_whenAsdcClientReturnNormal_thenProbeComponentReturnAvailableAnswer() throws Exception {
+
+        final UUID uuidForProbe = UUID.randomUUID();
+        final HttpResponse<InputStream> mockResponse = mock(HttpResponse.class);
+        responseSetupper(mockResponse, 200, new ByteArrayInputStream(RandomUtils.nextBytes(66000)));
+        when(asdcClientMock.getServiceInputStream(eq(uuidForProbe), eq(true))).thenReturn(
+            new HttpResponseWithRequestInfo(mockResponse, "my pretty url", HttpMethod.GET)
+        );
+
+        TestUtils.testWithSystemProperty(
+            "probe.sdc.model.uuid",
+            uuidForProbe.toString(),
+            ()-> {
+
+                ExternalComponentStatus sdcComponentStatus = vidService.probeComponent();
+                assertTrue(sdcComponentStatus.isAvailable());
+                assertThat(sdcComponentStatus.getComponent(), is(ExternalComponentStatus.Component.SDC));
+                assertThat(sdcComponentStatus.getMetadata().getDescription(), equalTo("OK"));
+                assertThat(sdcComponentStatus.getMetadata(), instanceOf(HttpRequestMetadata.class));
+
+                HttpRequestMetadata componentStatusMetadata = ((HttpRequestMetadata) sdcComponentStatus.getMetadata());
+                assertThat(componentStatusMetadata.getHttpMethod(), equalTo(HttpMethod.GET));
+                assertThat(componentStatusMetadata.getHttpCode(), equalTo(200));
+                assertThat(componentStatusMetadata.getUrl(), equalTo("my pretty url"));
+            }
+        );
+    }
+
+    private static void responseSetupper(HttpResponse<InputStream> r, Integer httpCode, InputStream body) {
+        when(r.getStatus()).thenReturn(httpCode);
+        when(r.getRawBody()).thenReturn(body);
+    }
+
+    @DataProvider
+    public static Object[][] executionResults() {
+        final BiConsumer<AsdcClient, HttpResponse<InputStream>> defaultClientSetup = (c, r) ->
+            when(c.getServiceInputStream(any(), eq(true))).thenReturn(new HttpResponseWithRequestInfo(r, "foo url", HttpMethod.GET));
+
+        final ByteArrayInputStream defaultResponseBody = new ByteArrayInputStream(RandomUtils.nextBytes(200));
+
+        return Stream.<Triple<HttpRequestMetadata, BiConsumer<AsdcClient, HttpResponse<InputStream>>, Consumer<HttpResponse<InputStream>>>>of(
+
+            Triple.of(
+                new HttpRequestMetadata(null, 200, null, null, "IllegalStateException", 0),
+                defaultClientSetup,
+                r -> {
+                    when(r.getStatus()).thenReturn(200);
+                    when(r.getRawBody()).thenThrow(new IllegalStateException("good news for people who love bad news"));
+                }
+            ),
+
+            Triple.of(
+                new HttpRequestMetadata(null, 200, null, null, "error reading model", 0),
+                defaultClientSetup,
+                r -> responseSetupper(r, 200, new ByteArrayInputStream(new byte[0]))
+            ),
+//
+            Triple.of(
+                new HttpRequestMetadata(null, 200, null, null, "NullPointerException", 0),
+                defaultClientSetup,
+                r -> responseSetupper(r, 200, null)
+            ),
+//
+            Triple.of(
+                new HttpRequestMetadata(null, 0, "bar url", null, "java.net.ConnectException: Connection refused", 0),
+                (c, r) ->
+                    when(c.getServiceInputStream(any(), eq(true))).thenThrow(new ExceptionWithRequestInfo(HttpMethod.GET, "bar url",
+                        new ProcessingException("java.net.ConnectException: Connection refused: connect"))),
+                r -> responseSetupper(r, 200, defaultResponseBody)
+            ),
+
+            Triple.of(
+                new HttpRequestMetadata(null, 500, null, null, "error while retrieving model", 0),
+                defaultClientSetup,
+                r -> responseSetupper(r, 500, defaultResponseBody)
+            ),
+
+            Triple.of(
+                new HttpRequestMetadata(null, 404, null, null, "updating vid probe configuration", 0),
+                defaultClientSetup,
+                r -> responseSetupper(r, 404, defaultResponseBody)
+            )
+
+        ).map(t -> ImmutableList.of(t.getLeft(), t.getMiddle(), t.getRight()).toArray()).collect(Collectors.toList()).toArray(new Object[][]{});
+    }
+
+    @Test(dataProvider = "executionResults")
+    public void whenClientReturnWithError_thenProbeSdcByGettingModelDescribes(HttpRequestMetadata expectedMetadata,
+        BiConsumer<AsdcClient, HttpResponse<InputStream>> clientSetup,
+        Consumer<HttpResponse<InputStream>> responseSetup) {
+
+        final HttpResponse<InputStream> mockResponse = mock(HttpResponse.class);
+        clientSetup.accept(asdcClientMock, mockResponse);
+        responseSetup.accept(mockResponse);
+
+        ExternalComponentStatus sdcComponentStatus = vidService.probeSdcByGettingModel(UUID.randomUUID());
+        assertThat(sdcComponentStatus.getComponent(), is(ExternalComponentStatus.Component.SDC));
+        assertThat(sdcComponentStatus.getMetadata(), instanceOf(HttpRequestMetadata.class));
+
+        HttpRequestMetadata componentStatusMetadata = ((HttpRequestMetadata) sdcComponentStatus.getMetadata());
+        assertThat(componentStatusMetadata.getDescription(), containsString(defaultIfNull(expectedMetadata.getDescription(), "OK")));
+        assertThat(componentStatusMetadata.getHttpMethod(), equalTo(defaultIfNull(expectedMetadata.getHttpMethod(), HttpMethod.GET)));
+        assertThat(componentStatusMetadata.getHttpCode(), equalTo(expectedMetadata.getHttpCode()));
+        assertThat(componentStatusMetadata.getUrl(), equalTo(defaultIfNull(expectedMetadata.getUrl(), "foo url")));
+
+        assertThat(sdcComponentStatus.isAvailable(), is(false));
+    }
+
 }