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com.huawei.openstack4j.openstack.internal.BaseOpenStackService Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2016 ContainX and OpenStack4j
*
* 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.
*******************************************************************************/
/*******************************************************************************
* Huawei has modified this source file.
* Copyright 2018 Huawei Technologies Co.,Ltd.
*
* 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 com.huawei.openstack4j.openstack.internal;
import static com.huawei.openstack4j.core.transport.ClientConstants.HEADER_USER_AGENT;
import static com.huawei.openstack4j.core.transport.ClientConstants.USER_AGENT;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.base.Strings;
import com.huawei.openstack4j.api.client.CloudProvider;
import com.huawei.openstack4j.api.exceptions.OS4JException;
import com.huawei.openstack4j.api.types.ServiceType;
import com.huawei.openstack4j.core.transport.ClientConstants;
import com.huawei.openstack4j.core.transport.ExecutionOptions;
import com.huawei.openstack4j.core.transport.HttpMethod;
import com.huawei.openstack4j.core.transport.HttpRequest;
import com.huawei.openstack4j.core.transport.HttpRequest.RequestBuilder;
import com.huawei.openstack4j.core.transport.HttpResponse;
import com.huawei.openstack4j.core.transport.internal.HttpExecutor;
import com.huawei.openstack4j.model.common.ActionResponse;
import com.huawei.openstack4j.model.common.Payload;
import com.huawei.openstack4j.model.identity.AuthVersion;
import com.huawei.openstack4j.model.identity.v2.Access;
import com.huawei.openstack4j.model.identity.v3.Service;
import com.huawei.openstack4j.model.identity.v3.Token;
public class BaseOpenStackService {
public static String CONTENT_JSON = "application/json;charset=utf-8";
ServiceType serviceType = ServiceType.IDENTITY;
Function endpointFunc;
private static ThreadLocal reqIdContainer = new ThreadLocal();
public String getXOpenstackRequestId() {
return reqIdContainer.get();
}
protected BaseOpenStackService() {
}
protected BaseOpenStackService(ServiceType serviceType) {
this(serviceType, null);
}
protected BaseOpenStackService(ServiceType serviceType, Function endpointFunc) {
this.serviceType = serviceType;
this.endpointFunc = endpointFunc;
}
protected Invocation get(Class returnType, String... path) {
return builder(returnType, path, HttpMethod.GET);
}
protected Invocation post(Class returnType, String... path) {
return builder(returnType, path, HttpMethod.POST);
}
protected Invocation postWithResponse(String... path) {
return builder(ActionResponse.class, path, HttpMethod.POST);
}
protected Invocation put(Class returnType, String... path) {
return builder(returnType, path, HttpMethod.PUT);
}
protected Invocation putWithResponse(String... path) {
return builder(ActionResponse.class, path, HttpMethod.PUT);
}
protected Invocation patch(Class returnType, String... path) {
return builder(returnType, path, HttpMethod.PATCH);
}
protected Invocation patchWithResponse(String... path) {
return builder(ActionResponse.class, path, HttpMethod.PATCH);
}
protected Invocation delete(Class returnType, String... path) {
return builder(returnType, path, HttpMethod.DELETE);
}
protected Invocation deleteWithResponse(String... path) {
return builder(ActionResponse.class, path, HttpMethod.DELETE);
}
protected Invocation head(Class returnType, String... path) {
return builder(returnType, path, HttpMethod.HEAD);
}
protected Invocation request(HttpMethod method, Class returnType, String path) {
return builder(returnType, path, method);
}
protected String uri(String path, Object... params) {
if (params.length == 0)
return path;
return String.format(path, params);
}
protected Invocation builder(Class returnType, String[] path, HttpMethod method) {
return builder(returnType, Joiner.on("").join(path), method);
}
@SuppressWarnings("rawtypes")
protected Invocation builder(Class returnType, String path, HttpMethod method) {
OSClientSession ses = OSClientSession.getCurrent();
if (ses == null) {
throw new OS4JException(
"Unable to retrieve current session. Please verify thread has a current session available.");
}
// huawei RDS service will put `/{version}/%(project_id)s` in API request path but not endpoint.
// so, we need to filter the path if we could get project_id
if (ses instanceof OSClientSessionV3) {
OSClientSessionV3 v3 = (OSClientSessionV3) ses;
Token token = v3.getToken();
if (null != token && token.getProject() != null && token.getProject().getId() != null) {
path = path.replace("%(project_id)s", token.getProject().getId());
}
}else if (ses instanceof OSClientSessionAKSK) {
OSClientSessionAKSK AKSK = (OSClientSessionAKSK) ses;
if (!Strings.isNullOrEmpty(AKSK.getProjectId())) {
path = path.replace("%(project_id)s", AKSK.getProjectId());
}
}
RequestBuilder req = HttpRequest.builder(returnType).endpointTokenProvider(ses).config(ses.getConfig())
.method(method).path(path);
Map headers = ses.getHeaders();
if (headers != null && headers.size() > 0) {
return new Invocation(req, serviceType, endpointFunc).headers(headers);
} else {
return new Invocation(req, serviceType, endpointFunc);
}
}
protected static class Invocation {
RequestBuilder req;
protected Invocation(RequestBuilder req, ServiceType serviceType, Function endpointFunc) {
this.req = req;
req.serviceType(serviceType);
req.endpointFunction(endpointFunc);
}
public HttpRequest getRequest() {
return req.build();
}
public Invocation param(String name, Object value) {
req.queryParam(name, value);
return this;
}
public Invocation updateParam(String name, Object value) {
req.updateQueryParam(name, value);
return this;
}
public Invocation params(Map params) {
if (params != null) {
for (String name : params.keySet())
req.queryParam(name, params.get(name));
}
return this;
}
public Invocation param(boolean condition, String name, Object value) {
if (condition)
req.queryParam(name, value);
return this;
}
public Invocation paramLists(Map> params) {
if (params != null) {
for (Map.Entry> pair : params.entrySet())
for (Object value : pair.getValue())
req.queryParam(pair.getKey(), value);
}
return this;
}
public Invocation serviceType(ServiceType serviceType) {
req.serviceType(serviceType);
return this;
}
public Invocation entity(Object entity) {
req.entity(entity);
return this;
}
public Invocation entity(Payload entity) {
req.entity(entity);
req.contentType(ClientConstants.CONTENT_TYPE_OCTECT_STREAM);
return this;
}
public Invocation contentType(String contentType) {
req.contentType(contentType);
return this;
}
public Invocation json(String json) {
req.json(json);
return this;
}
public Invocation headers(Map headers) {
if (headers != null)
req.headers(headers);
return this;
}
public Invocation header(String name, Object value) {
req.header(name, value);
return this;
}
public R execute() {
return execute(null);
}
public R execute(ExecutionOptions options) {
header(HEADER_USER_AGENT, USER_AGENT);
HttpRequest request = req.build();
HttpResponse res = HttpExecutor.create().execute(request);
reqIdContainer.remove();
String reqId = null;
if (res.headers().containsKey(ClientConstants.X_COMPUTE_REQUEST_ID)) {
reqId = res.header(ClientConstants.X_COMPUTE_REQUEST_ID);
} else {
reqId = res.header(ClientConstants.X_OPENSTACK_REQUEST_ID);
}
reqIdContainer.set(reqId);
return res.getEntity(request.getReturnType(), options);
}
public HttpResponse executeWithResponse() {
HttpResponse res = HttpExecutor.create().execute(req.build());
reqIdContainer.remove();
String reqId = null;
if (res.headers().containsKey(ClientConstants.X_COMPUTE_REQUEST_ID)) {
reqId = res.header(ClientConstants.X_COMPUTE_REQUEST_ID);
} else {
reqId = res.header(ClientConstants.X_OPENSTACK_REQUEST_ID);
}
reqIdContainer.set(reqId);
return res;
}
}
@SuppressWarnings("rawtypes")
protected int getServiceVersion() {
OSClientSession session = OSClientSession.getCurrent();
if (session.getAuthVersion() == AuthVersion.V3) {
SortedSet services = ((OSClientSessionV3) session).getToken().getAggregatedCatalog()
.get(serviceType.getType());
Service service = ((OSClientSessionV3) session).getToken().getAggregatedCatalog().get(serviceType.getType())
.first();
if (services.isEmpty()) {
return 1;
}
return service.getVersion();
} else {
SortedSet services = ((OSClientSession.OSClientSessionV2) session).getAccess()
.getAggregatedCatalog().get(serviceType.getType());
Access.Service service = ((OSClientSession.OSClientSessionV2) session).getAccess().getAggregatedCatalog()
.get(serviceType.getType()).first();
if (services.isEmpty()) {
return 1;
}
return service.getVersion();
}
}
protected List toList(T[] arr) {
if (arr == null)
return Collections.emptyList();
return Arrays.asList(arr);
}
protected CloudProvider getProvider() {
return OSClientSession.getCurrent().getProvider();
}
}
