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authorFrancis Toth <francis.toth@yoppworks.com>2020-07-08 08:28:25 -0400
committerOfir Sonsino <ofir.sonsino@intl.att.com>2020-07-12 06:38:53 +0000
commitf4165e2af8ae596d574aecae2fcf174420396b2e (patch)
treee678f341c5e4476ec84091beac6d719fa0b21c17 /catalog-be/src/main
parentf8fe2d13ef5e33122c1632db02bd77904470dc11 (diff)
Refactor CsarUtils::addInnerComponentsToCSAR
Signed-off-by: Francis Toth <francis.toth@yoppworks.com> Change-Id: I4f9a52950d4d6ffadf9a5cb170c99d229ac83a35 Issue-ID: SDC-2812
Diffstat (limited to 'catalog-be/src/main')
-rw-r--r--catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CsarUtils.java189
-rw-r--r--catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipIO.java154
-rw-r--r--catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipWriter.java78
3 files changed, 260 insertions, 161 deletions
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CsarUtils.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CsarUtils.java
index 241148b531..2f79a46827 100644
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CsarUtils.java
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CsarUtils.java
@@ -21,38 +21,10 @@
package org.openecomp.sdc.be.tosca;
-import static org.openecomp.sdc.be.tosca.ComponentCache.MergeStrategy.overwriteIfSameVersions;
-
import fj.F;
import fj.data.Either;
-import io.vavr.Tuple2;
-import io.vavr.control.Try;
import io.vavr.control.Option;
-import java.io.BufferedOutputStream;
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.EnumMap;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Set;
-import java.util.function.Function;
-import java.util.function.Predicate;
-import java.util.function.Supplier;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipInputStream;
-import java.util.zip.ZipOutputStream;
+import io.vavr.control.Try;
import lombok.Getter;
import lombok.Setter;
import org.apache.commons.codec.binary.Base64;
@@ -61,11 +33,9 @@ import org.apache.commons.collections.MapUtils;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.commons.lang.WordUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
-import org.apache.commons.lang3.tuple.ImmutableTriple;
import org.apache.commons.lang3.tuple.Triple;
import org.onap.sdc.tosca.services.YamlUtil;
import org.openecomp.sdc.be.components.impl.ImportUtils;
-import org.openecomp.sdc.be.components.impl.ImportUtils.Constants;
import org.openecomp.sdc.be.components.impl.exceptions.ByResponseFormatComponentException;
import org.openecomp.sdc.be.config.ArtifactConfigManager;
import org.openecomp.sdc.be.config.ArtifactConfiguration;
@@ -88,12 +58,11 @@ import org.openecomp.sdc.be.model.LifecycleStateEnum;
import org.openecomp.sdc.be.model.Resource;
import org.openecomp.sdc.be.model.Service;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
-import org.openecomp.sdc.be.model.jsonjanusgraph.utils.ModelConverter;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
import org.openecomp.sdc.be.plugins.CsarEntryGenerator;
import org.openecomp.sdc.be.resources.data.DAOArtifactData;
-import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
+import org.openecomp.sdc.be.tosca.ZipIO.ZipWriter;
import org.openecomp.sdc.be.tosca.utils.OperationArtifactUtil;
import org.openecomp.sdc.be.utils.TypeUtils.ToscaTagNamesEnum;
import org.openecomp.sdc.common.api.ArtifactGroupTypeEnum;
@@ -110,7 +79,37 @@ import org.openecomp.sdc.exception.ResponseFormat;
import org.springframework.beans.factory.annotation.Autowired;
import org.yaml.snakeyaml.Yaml;
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.EnumMap;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+import java.util.zip.ZipOutputStream;
+
+import static org.openecomp.sdc.be.model.jsonjanusgraph.utils.ModelConverter.isAtomicComponent;
+import static org.openecomp.sdc.be.tosca.ComponentCache.MergeStrategy.overwriteIfSameVersions;
import static org.openecomp.sdc.be.tosca.FJToVavrHelper.Try0.fromEither;
+import static org.openecomp.sdc.be.tosca.ToscaExportHandler.getInterfaceFilename;
+import static org.openecomp.sdc.be.tosca.ZipIO.writeTry;
/**
* @author tg851x
@@ -272,7 +271,7 @@ public class CsarUtils {
zip.write(mainYaml);
//US798487 - Abstraction of complex types
- if (!ModelConverter.isAtomicComponent(component)){
+ if (!isAtomicComponent(component)){
log.debug("Component {} is complex - generating abstract type for it..", component.getName());
writeComponentInterface(component, zip, fileName, false);
}
@@ -447,7 +446,7 @@ public class CsarUtils {
private Either<ZipOutputStream, ResponseFormat> getZipOutputStreamResponseFormatEither(
ZipOutputStream zip,
List<Triple<String, String, Component>> dependencies
- ) throws IOException {
+ ) {
ComponentCache innerComponentsCache = ComponentCache
.overwritable(overwriteIfSameVersions())
@@ -476,48 +475,67 @@ public class CsarUtils {
}
//add inner components to CSAR
- return addInnerComponentsToCSAR(zip, innerComponentsCache);
+ ZipWriter writer = ZipWriter.live(zip);
+ return addInnerComponentsToCSAR(innerComponentsCache).run(writer)
+ .map(void0 -> Either.<ZipOutputStream, ResponseFormat>left(zip))
+ .recover(WithResponseFormat.class, e -> {
+ log.debug("#addInnerComponentsToCSAR Error while writing zip: ", e);
+ return Either.right(e.asResponseFormat(componentsUtils));
+ }).get();
}
return null;
}
- private Either<ZipOutputStream, ResponseFormat> addInnerComponentsToCSAR(
- ZipOutputStream zip,
- ComponentCache innerComponentsCache
- ) throws IOException {
- for (ImmutableTriple<String, String, Component> ict : innerComponentsCache.iterable()) {
- Component innerComponent = ict.getRight();
-
- String icFileName = ict.getMiddle();
- // add component to zip
- Either<Tuple2<byte[], ZipEntry>, ResponseFormat> zipEntry = toZipEntry(ict);
- // TODO: this should not be done, we should instead compose this either further,
- // but in order to keep this refactoring small, we'll stop here.
- if (zipEntry.isRight()) {
- return Either.right(zipEntry.right().value());
- }
- Tuple2<byte[], ZipEntry> value = zipEntry.left().value();
- zip.putNextEntry(value._2);
- zip.write(value._1);
- // add component interface to zip
- if (!ModelConverter.isAtomicComponent(innerComponent)) {
- writeComponentInterface(innerComponent, zip, icFileName, true);
- }
+ private ZipIO addInnerComponentsToCSAR(ComponentCache innerComponentsCache) {
+ return ZipIO.writeAll(innerComponentsCache.all().map(e -> {
+ ZipIO writeEntryData = writeTry(
+ DEFINITIONS_PATH + e.fileName,
+ () -> fetchEntryData(e.id, e.component)
+ );
+ ZipIO writeInnerComponent = writeTry(
+ DEFINITIONS_PATH + getInterfaceFilename(e.fileName),
+ () -> exportComponentInterface(e.component)
+ ).writeIf(isAtomicComponent(e.component));
+
+ return ZipIO.both(writeEntryData, writeInnerComponent);
+ }));
+ }
+
+ private Try<byte[]> fetchEntryData(String cassandraId, Component childComponent) {
+ return fromEither(getEntryData(cassandraId, childComponent),
+ status -> new EntryDataFetchingFailure(cassandraId, status)
+ );
+ }
+
+ private Try<byte[]> exportComponentInterface(final Component component) {
+ return fromEither(toscaExportUtils
+ .exportComponentInterface(component, true)
+ .left().map(ToscaRepresentation::getMainYaml),
+ ToscaErrorException::new
+ );
+ }
+
+ public static abstract class WithResponseFormat extends Exception {
+ abstract ResponseFormat asResponseFormat(ComponentsUtils cu);
+
+ public WithResponseFormat(String message) {
+ super(message);
}
- return null;
}
- private Either<Tuple2<byte[], ZipEntry>, ResponseFormat> toZipEntry(
- ImmutableTriple<String, String, Component> cachedEntry
- ) {
- String cassandraId = cachedEntry.getLeft();
- String fileName = cachedEntry.getMiddle();
- Component innerComponent = cachedEntry.getRight();
- return getEntryData(cassandraId, innerComponent)
- .right().map(status -> {
- log.debug("Failed adding to zip component {}, error {}", cassandraId, status);
- return componentsUtils.getResponseFormat(status);
- }).left().map(content -> new Tuple2<>(content, new ZipEntry(DEFINITIONS_PATH + fileName)));
+ public static class EntryDataFetchingFailure extends WithResponseFormat {
+
+ private final ActionStatus status;
+
+ EntryDataFetchingFailure(String cassandraId, ActionStatus status) {
+ super("Failed fetching entry data for " + cassandraId + ", error: " + status);
+ this.status = status;
+ }
+
+ @Override
+ public ResponseFormat asResponseFormat(ComponentsUtils cu) {
+ return cu.getResponseFormat(status);
+ }
}
/**
@@ -604,7 +622,7 @@ public class CsarUtils {
//if not atomic - insert inner components as well
// TODO: This could potentially create a StackOverflowException if the call stack
// happens to be too large. Tail-recursive optimization should be used here.
- if (!ModelConverter.isAtomicComponent(componentRI)) {
+ if (!isAtomicComponent(componentRI)) {
addInnerComponentsToCache(componentCache, componentRI);
}
});
@@ -646,33 +664,38 @@ public class CsarUtils {
boolean isAssociatedComponent
) {
// TODO: This should not be done but we need this to keep the refactoring small enough to be easily reviewable
- return writeComponentInterface(component, fileName, isAssociatedComponent, ZipWriter.live(zip))
- .map(void0 -> Either.<ZipOutputStream, ResponseFormat>left(zip))
- .recover(th -> {
- log.error("#writeComponentInterface - zip writing failed with error: ", th);
- return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
- }).get();
+ return writeComponentInterface(component, fileName, isAssociatedComponent)
+ .run(ZipWriter.live(zip))
+ .map(void0 -> Either.<ZipOutputStream, ResponseFormat>left(zip))
+ .recover(th -> {
+ log.error("#writeComponentInterface - zip writing failed with error: ", th);
+ return Either.right(componentsUtils.getResponseFormat(ActionStatus.GENERAL_ERROR));
+ }).get();
}
- private Try<Void> writeComponentInterface(
+ private ZipIO writeComponentInterface(
Component component,
String fileName,
- boolean isAssociatedComponent,
- ZipWriter zw
+ boolean isAssociatedComponent
) {
Either<byte[], ToscaError> yml = toscaExportUtils
.exportComponentInterface(component, isAssociatedComponent)
.left().map(ToscaRepresentation::getMainYaml);
- return fromEither(yml, ToscaErrorException::new)
- .flatMap(zw.write(DEFINITIONS_PATH + ToscaExportHandler.getInterfaceFilename(fileName)));
+ return ZipIO.writeTry(DEFINITIONS_PATH + getInterfaceFilename(fileName),
+ fromEither(yml, ToscaErrorException::new));
}
- public static class ToscaErrorException extends Exception {
+ public static class ToscaErrorException extends WithResponseFormat {
ToscaErrorException(ToscaError error) {
super("Error while exporting component's interface (toscaError:" + error + ")");
}
+
+ @Override
+ public ResponseFormat asResponseFormat(ComponentsUtils cu) {
+ return cu.getResponseFormat(ActionStatus.GENERAL_ERROR);
+ }
}
private Either<byte[], ActionStatus> getEntryData(String cassandraId, Component childComponent) {
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipIO.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipIO.java
new file mode 100644
index 0000000000..916aecfb33
--- /dev/null
+++ b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipIO.java
@@ -0,0 +1,154 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.openecomp.sdc.be.tosca;
+
+import io.vavr.collection.Stream;
+import io.vavr.control.Try;
+
+import java.util.function.Supplier;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * ZipIO abstracts a writing operation in a Zip file
+ */
+public interface ZipIO {
+
+ /**
+ * Run the operation and perform any IO required
+ *
+ * @param zw The writer used to write in the zip file
+ */
+ Try<Void> run(ZipWriter zw);
+
+ /** No-Op */
+ // It's ok to return a null as an operation results in a Try<Void>
+ ZipIO None = zw -> Try.success(null);
+
+ /**
+ * Combines two {@link org.openecomp.sdc.be.tosca.ZipIO} into one. The resulting operation performs each
+ * underlying operation sequentially. If the first operation fails, the second one won't be executed.
+ *
+ * @param left The first operation to run
+ * @param right The second operation to run
+ */
+ static ZipIO both(ZipIO left, ZipIO right) {
+ return zw -> left.run(zw).flatMap(v -> right.run(zw));
+ }
+
+ /**
+ * Builds an operation resulting in a failure
+ *
+ * @param th The resulting failure
+ */
+ static ZipIO error(Throwable th) {
+ return zw -> Try.failure(th);
+ }
+
+ /**
+ * Builds an operation adding an entry in a zip file
+ *
+ * @param name The entry name
+ * @param payload The entry's payload
+ */
+ static ZipIO write(String name, Supplier<byte[]> payload) {
+ return zw -> zw.write(name, payload.get());
+ }
+
+ /**
+ * Alias for {@link org.openecomp.sdc.be.tosca.ZipIO}.writeTry
+ */
+ static ZipIO writeTry(String name, Try<byte[]> payload) {
+ return writeTry(name, () -> payload);
+ }
+
+ /**
+ * Builds an operation resulting from a computation potentially resulting in a payload.
+ * If the payload cannot be retrieved, the operation results in an error.
+ *
+ * @param name The entry's name
+ * @param payload The entry's payload if it can be successfully retrieved
+ */
+ static ZipIO writeTry(String name, Supplier<Try<byte[]>> payload) {
+ return zw -> payload.get()
+ .map(bs -> write(name, () -> bs))
+ .getOrElseGet(ZipIO::error)
+ .run(zw);
+ }
+
+ /**
+ * Combine all operations resulting from a {@link io.vavr.collection.Stream}
+ *
+ * @param zs The {@link io.vavr.collection.Stream} outputting the operations
+ */
+ static ZipIO writeAll(Stream<ZipIO> zs) {
+ return zw -> zs.foldLeft(
+ Try.success(null),
+ (acc, zio) -> acc.flatMap(void0 -> zio.run(zw))
+ );
+ }
+
+ /**
+ * Alias for {@link org.openecomp.sdc.be.tosca.ZipIO}.both
+ */
+ default ZipIO and(ZipIO zw) {
+ return both(this, zw);
+ }
+
+ /**
+ * Builds an operation only if the given predicate is true, otherwise returns a no-op.
+ *
+ * @param p The predicate
+ */
+ default ZipIO writeIf(boolean p) {
+ return p ? this : None;
+ }
+
+ /**
+ * ZipWriter abstracts the Zip file writing logic.
+ */
+ interface ZipWriter {
+
+ /**
+ * Writes an entry provided with its name and its payload
+ *
+ * @param entryName The entry's name to use in the zip file
+ * @param payload The payload to write for this entry
+ */
+ Try<Void> write(String entryName, byte[] payload);
+
+ /**
+ * Builds a {@link org.openecomp.sdc.be.tosca.ZipIO.ZipWriter} that outputs the data
+ * on a {@link java.util.zip.ZipOutputStream}
+ *
+ * @param zos the target {@link java.util.zip.ZipOutputStream}
+ */
+ static ZipWriter live(ZipOutputStream zos) {
+ return (entryName, payload) -> Try.of(() -> {
+ zos.putNextEntry(new ZipEntry(entryName));
+ zos.write(payload);
+ // We can return null as a Void is expected;
+ return null;
+ });
+ }
+ }
+}
+
diff --git a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipWriter.java b/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipWriter.java
deleted file mode 100644
index 916895fff4..0000000000
--- a/catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ZipWriter.java
+++ /dev/null
@@ -1,78 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * SDC
- * ================================================================================
- * Copyright (C) 2020 AT&T Intellectual Property. 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.openecomp.sdc.be.tosca;
-
-import fj.data.Either;
-import io.vavr.control.Try;
-import java.util.function.Function;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipOutputStream;
-
-/**
- * ZipWriter abstracts the Zip file writing logic.
- */
-public interface ZipWriter {
-
- /**
- * Writes an entry provided with its name and its payload
- *
- * @param entryName The entry's name to use in the zip file
- * @param payload The payload to write for this entry
- */
- Try<Void> write(String entryName, byte[] payload);
-
- /**
- * Writes an entry provided with its name and its payload
- *
- * @param entryName The entry's name to use in the zip file
- * @param payload The payload to write for this entry
- */
- default Try<Void> write(String entryName, String payload) {
- return write(entryName, payload.getBytes());
- }
-
- /**
- * Alias for {@link org.openecomp.sdc.be.tosca.ZipWriter}
- *
- * @param entryName The entry's name to use in the zip file
- */
- default Function<String, Try<Void>> writeString(String entryName) {
- return payload -> write(entryName, payload.getBytes());
- }
-
- default Function<byte[], Try<Void>> write(String entryName) {
- return payload -> write(entryName, payload);
- }
-
- /**
- * Builds a ZipWriter that outputs the data on a {@link java.util.zip.ZipOutputStream}
- * @param zos the target {@link java.util.zip.ZipOutputStream}
- */
- static ZipWriter live(ZipOutputStream zos) {
- return (entryName, payload) -> Try.of(() -> {
- zos.putNextEntry(new ZipEntry(entryName));
- zos.write(payload);
- // We can return null as a Void is expected;
- return null;
- });
- }
-}
-