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add computer-dis rest api for call k8s task (apache#37)
* add computer-dis rest api for call k8s task * set graph load_from_local_config with true * upgrade etcd endpoint key name Co-authored-by: guoyonggang <[email protected]>
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hugegraph-api/src/main/java/com/baidu/hugegraph/api/job/ComputerDisAPI.java
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| /* | ||
| * Copyright 2017 HugeGraph Authors | ||
| * | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with this | ||
| * work for additional information regarding copyright ownership. The ASF | ||
| * licenses this file to You 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.baidu.hugegraph.api.job; | ||
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|
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| import com.baidu.hugegraph.HugeGraph; | ||
| import com.baidu.hugegraph.api.API; | ||
| import com.baidu.hugegraph.api.filter.StatusFilter.Status; | ||
| import com.baidu.hugegraph.backend.id.IdGenerator; | ||
| import com.baidu.hugegraph.backend.page.PageInfo; | ||
| import com.baidu.hugegraph.core.GraphManager; | ||
| import com.baidu.hugegraph.define.Checkable; | ||
| import com.baidu.hugegraph.job.ComputerDisJob; | ||
| import com.baidu.hugegraph.job.JobBuilder; | ||
| import com.baidu.hugegraph.k8s.K8sDriverProxy; | ||
| import com.baidu.hugegraph.server.RestServer; | ||
| import com.baidu.hugegraph.task.HugeTask; | ||
| import com.baidu.hugegraph.task.TaskScheduler; | ||
| import com.baidu.hugegraph.task.TaskStatus; | ||
| import com.baidu.hugegraph.util.E; | ||
| import com.baidu.hugegraph.util.JsonUtil; | ||
| import com.baidu.hugegraph.util.Log; | ||
| import com.codahale.metrics.annotation.Timed; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import org.apache.groovy.util.Maps; | ||
| import org.slf4j.Logger; | ||
|
|
||
| import javax.inject.Singleton; | ||
| import javax.ws.rs.Consumes; | ||
| import javax.ws.rs.DELETE; | ||
| import javax.ws.rs.DefaultValue; | ||
| import javax.ws.rs.GET; | ||
| import javax.ws.rs.POST; | ||
| import javax.ws.rs.PUT; | ||
| import javax.ws.rs.Path; | ||
| import javax.ws.rs.PathParam; | ||
| import javax.ws.rs.Produces; | ||
| import javax.ws.rs.QueryParam; | ||
| import javax.ws.rs.core.Context; | ||
| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.Iterator; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import static com.baidu.hugegraph.backend.query.Query.NO_LIMIT; | ||
|
|
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| @Path("graphs/{graph}/jobs/computerdis") | ||
| @Singleton | ||
| public class ComputerDisAPI extends API { | ||
|
|
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| private static final Logger LOG = Log.logger(RestServer.class); | ||
|
|
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| @POST | ||
| @Timed | ||
| @Status(Status.CREATED) | ||
| @Consumes(APPLICATION_JSON) | ||
| @Produces(APPLICATION_JSON_WITH_CHARSET) | ||
| public Map<String, Object> post(@Context GraphManager manager, | ||
| @PathParam("graph") String graph, | ||
| JsonTask jsonTask) { | ||
| LOG.debug("Schedule computer dis job: {}", jsonTask); | ||
| E.checkArgument(K8sDriverProxy.isK8sApiEnabled() == true, | ||
| "The k8s api is not enable."); | ||
| checkCreatingBody(jsonTask); | ||
|
|
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| // username is "" means generate token from current context | ||
| String token = manager.authManager().createToken(""); | ||
| Map<String, Object> input = ImmutableMap.of( | ||
| "graph", graph, | ||
| "algorithm", jsonTask.algorithm, | ||
| "params", jsonTask.params, | ||
| "worker", jsonTask.worker, | ||
| "token", token); | ||
| HugeGraph g = graph(manager, graph); | ||
| JobBuilder<Object> builder = JobBuilder.of(g); | ||
| builder.name("computer-dis:" + jsonTask.algorithm) | ||
| .input(JsonUtil.toJson(input)) | ||
| .job(new ComputerDisJob()); | ||
| HugeTask<Object> task = builder.schedule(); | ||
| return ImmutableMap.of("task_id", task.id()); | ||
| } | ||
|
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||
| @DELETE | ||
| @Timed | ||
| @Path("/{id}") | ||
| @Status(Status.OK) | ||
| @Consumes(APPLICATION_JSON) | ||
| @Produces(APPLICATION_JSON_WITH_CHARSET) | ||
| public Map<String, Object> delete(@Context GraphManager manager, | ||
| @PathParam("graph") String graph, | ||
| @PathParam("id") String id) { | ||
| LOG.debug("Graph [{}] delete computer job: {}", graph, id); | ||
| E.checkArgument(K8sDriverProxy.isK8sApiEnabled() == true, | ||
| "The k8s api is not enable."); | ||
| E.checkArgument(id != null && !id.isEmpty(), | ||
| "The computer name can't be empty"); | ||
|
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| TaskScheduler scheduler = graph(manager, graph).taskScheduler(); | ||
| HugeTask<?> task = scheduler.task(IdGenerator.of(id)); | ||
| E.checkArgument(ComputerDisJob.COMPUTER_DIS.equals(task.type()), | ||
| "The task is not computer-dis task."); | ||
|
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| scheduler.delete(IdGenerator.of(id)); | ||
| return ImmutableMap.of("task_id", id, "message", "success"); | ||
| } | ||
|
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||
| @PUT | ||
| @Timed | ||
| @Path("/{id}") | ||
| @Status(Status.ACCEPTED) | ||
| @Consumes(APPLICATION_JSON) | ||
| @Produces(APPLICATION_JSON_WITH_CHARSET) | ||
| public Map<String, Object> cancel(@Context GraphManager manager, | ||
| @PathParam("graph") String graph, | ||
| @PathParam("id") String id) { | ||
| LOG.debug("Graph [{}] cancel computer job: {}", graph, id); | ||
| E.checkArgument(K8sDriverProxy.isK8sApiEnabled() == true, | ||
| "The k8s api is not enable."); | ||
| E.checkArgument(id != null && !id.isEmpty(), | ||
| "The computer name can't be empty."); | ||
|
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| TaskScheduler scheduler = graph(manager, graph).taskScheduler(); | ||
| HugeTask<?> task = scheduler.task(IdGenerator.of(id)); | ||
| E.checkArgument(ComputerDisJob.COMPUTER_DIS.equals(task.type()), | ||
| "The task is not computer-dis task."); | ||
|
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| if (!task.completed() && !task.cancelling()) { | ||
| scheduler.cancel(task); | ||
| if (task.cancelling()) { | ||
| return task.asMap(); | ||
| } | ||
| } | ||
|
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| assert task.completed() || task.cancelling(); | ||
| return ImmutableMap.of("task_id", id); | ||
| } | ||
|
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| @GET | ||
| @Timed | ||
| @Path("/{id}") | ||
| @Produces(APPLICATION_JSON_WITH_CHARSET) | ||
| public Map<String, Object> get(@Context GraphManager manager, | ||
| @PathParam("graph") String graph, | ||
| @PathParam("id") long id) { | ||
| LOG.debug("Graph [{}] get task info", graph); | ||
| E.checkArgument(K8sDriverProxy.isK8sApiEnabled() == true, | ||
| "The k8s api is not enable."); | ||
| TaskScheduler scheduler = graph(manager, graph).taskScheduler(); | ||
| HugeTask<Object> task = scheduler.task(IdGenerator.of(id)); | ||
| E.checkArgument(ComputerDisJob.COMPUTER_DIS.equals(task.type()), | ||
| "The task is not computer-dis task."); | ||
| return task.asMap(); | ||
| } | ||
|
|
||
| @GET | ||
| @Timed | ||
| @Produces(APPLICATION_JSON_WITH_CHARSET) | ||
| public Map<String, Object> list(@Context GraphManager manager, | ||
| @PathParam("graph") String graph, | ||
| @QueryParam("limit") | ||
| @DefaultValue("100") long limit, | ||
| @QueryParam("page") String page) { | ||
| LOG.debug("Graph [{}] get task list", graph); | ||
| E.checkArgument(K8sDriverProxy.isK8sApiEnabled() == true, | ||
| "The k8s api is not enable."); | ||
|
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| TaskScheduler scheduler = graph(manager, graph).taskScheduler(); | ||
| Iterator<HugeTask<Object>> iter = scheduler.tasks(null, | ||
| NO_LIMIT, page); | ||
| List<Object> tasks = new ArrayList<>(); | ||
| while (iter.hasNext()) { | ||
| HugeTask<Object> task = iter.next(); | ||
| if (ComputerDisJob.COMPUTER_DIS.equals(task.type())) { | ||
| tasks.add(task.asMap(false)); | ||
| } | ||
| } | ||
| if (limit != NO_LIMIT && tasks.size() > limit) { | ||
| tasks = tasks.subList(0, (int) limit); | ||
| } | ||
|
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||
| if (page == null) { | ||
| return Maps.of("tasks", tasks); | ||
| } else { | ||
| return Maps.of("tasks", tasks, "page", PageInfo.pageInfo(iter)); | ||
| } | ||
| } | ||
|
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| private static class JsonTask implements Checkable { | ||
|
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| @JsonProperty("algorithm") | ||
| public String algorithm; | ||
| @JsonProperty("worker") | ||
| public int worker; | ||
| @JsonProperty("params") | ||
| public Map<String, Object> params; | ||
|
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| @Override | ||
| public void checkCreate(boolean isBatch) { | ||
| E.checkArgument(this.algorithm != null && | ||
| K8sDriverProxy.isValidAlgorithm(this.algorithm), | ||
| "The algorithm is not existed."); | ||
| E.checkArgument(this.worker >= 1 && | ||
| this.worker <= 100, | ||
| "The worker should be in [1, 100]."); | ||
| } | ||
|
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| @Override | ||
| public void checkUpdate() {} | ||
| } | ||
|
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| private static TaskStatus parseStatus(String status) { | ||
| try { | ||
| return TaskStatus.valueOf(status); | ||
| } catch (Exception e) { | ||
| throw new IllegalArgumentException(String.format( | ||
| "Status value must be in %s, but got '%s'", | ||
| Arrays.asList(TaskStatus.values()), status)); | ||
| } | ||
| } | ||
| } |
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