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/*
* Copyright 2019 Netflix, Inc.
*
* 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 io.mantisrx.server.master.persistence;
import io.mantisrx.master.jobcluster.IJobClusterMetadata;
import io.mantisrx.master.jobcluster.job.IMantisJobMetadata;
import io.mantisrx.master.jobcluster.job.IMantisStageMetadata;
import io.mantisrx.master.jobcluster.job.worker.IMantisWorkerMetadata;
import io.mantisrx.master.resourcecluster.DisableTaskExecutorsRequest;
import io.mantisrx.master.resourcecluster.proto.ResourceClusterScaleSpec;
import io.mantisrx.master.resourcecluster.writable.RegisteredResourceClustersWritable;
import io.mantisrx.master.resourcecluster.writable.ResourceClusterScaleRulesWritable;
import io.mantisrx.master.resourcecluster.writable.ResourceClusterSpecWritable;
import io.mantisrx.server.core.domain.ArtifactID;
import io.mantisrx.server.core.domain.JobArtifact;
import io.mantisrx.server.master.domain.JobClusterDefinitionImpl.CompletedJob;
import io.mantisrx.server.master.domain.JobId;
import io.mantisrx.server.master.persistence.exceptions.InvalidJobException;
import io.mantisrx.server.master.resourcecluster.ClusterID;
import io.mantisrx.server.master.resourcecluster.TaskExecutorID;
import io.mantisrx.server.master.resourcecluster.TaskExecutorRegistration;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import javax.annotation.Nullable;
import rx.Observable;
/**
* A way to persist mantis master related metadata to a durable storage.
* See {@link KeyValueBasedPersistenceProvider} for how mantis job cluster,
* mantis job info is persisted to a key-value based storage (like cassandra)
*/
public interface IMantisPersistenceProvider {
void storeNewJob(IMantisJobMetadata jobMetadata) throws Exception;
void updateJob(final IMantisJobMetadata jobMetadata) throws Exception;
/**
* // * Mark the job as not active and move it to an inactive archived collection of jobs.
* // * @param jobId The Job Id of the job to archive
* // * @throws IOException upon errors with storage invocation
* //
*/
void archiveJob(final String jobId) throws IOException;
void deleteJob(String jobId) throws IOException;
void storeMantisStage(final IMantisStageMetadata msmd) throws IOException;
void updateMantisStage(final IMantisStageMetadata msmd) throws IOException;
/**
* Store a new worker for the given job and stage number. This will be called only once for a given
* worker. However, it is possible that concurrent calls can be made on a jobId, each with a
* different worker.
*
* @param workerMetadata The worker metadata to store.
*
* @throws IOException
*/
default void storeWorker(final IMantisWorkerMetadata workerMetadata) throws IOException {
storeWorkers(Collections.singletonList(workerMetadata));
}
/**
* Store multiple new workers for the give job. This is called only once for a given worker. This method enables
* optimization by calling storage once for multiple workers.
*
* @param jobId The Job ID.
* @param workers The list of workers to store.
*
* @throws IOException if there were errors storing the workers.
*/
default void storeWorkers(final String jobId, final List workers) throws IOException {
storeWorkers(workers);
}
void storeWorkers(final List workers) throws IOException;
/**
* Store a new worker and update existing worker of a job atomically. Either both are stored or none is.
*
* @param existingWorker Existing worker to update.
* @param newWorker New worker to store.
*
* @throws IOException
* @throws InvalidJobException If workers don't have the same JobId.
* @throws Exception
*/
void storeAndUpdateWorkers(final IMantisWorkerMetadata existingWorker, final IMantisWorkerMetadata newWorker)
throws InvalidJobException, IOException, Exception;
void updateWorker(IMantisWorkerMetadata worker) throws IOException;
List loadAllJobs() throws IOException;
Observable loadAllArchivedJobs();
/**
* Initialize and return all existing NamedJobs from persistence.
*
* @return List of {@link io.mantisrx.server.master.store.NamedJob} objects.
* @throws IOException Upon error connecting to or reading from persistence.
*/
List loadAllJobClusters() throws IOException;
/**
* load all completed jobs for a given cluster sorted by descending order of job id
* @param name name of cluster
* @param limit max number of jobs to return
* @param startJobIdExclusive if not null, start from this job id
* @return list of completed jobs
* @throws IOException upon errors with storage invocation
*/
List loadLatestCompletedJobsForCluster(String name, int limit, @Nullable JobId startJobIdExclusive) throws IOException;
void archiveWorker(IMantisWorkerMetadata mwmd) throws IOException;
List getArchivedWorkers(String jobId) throws IOException;
void createJobCluster(IJobClusterMetadata jobCluster) throws Exception;
void updateJobCluster(IJobClusterMetadata jobCluster) throws Exception;
void deleteJobCluster(String name) throws Exception;
void storeCompletedJobForCluster(String name, CompletedJob job) throws IOException;
void deleteCompletedJobsForCluster(String name) throws IOException;
Optional loadArchivedJob(String jobId) throws IOException;
//////////////////////////////////
// Optional getJobCluster(String clusterName) throws Exception;
//Optional loadJobCluster(String clusterName);
//
// CompletionStage shutdown();
//
List initActiveVmAttributeValuesList() throws IOException;
void setActiveVmAttributeValuesList(final List vmAttributesList) throws IOException;
TaskExecutorRegistration getTaskExecutorFor(TaskExecutorID taskExecutorID) throws IOException;
void storeNewTaskExecutor(TaskExecutorRegistration registration) throws IOException;
void storeNewDisableTaskExecutorRequest(DisableTaskExecutorsRequest request) throws IOException;
void deleteExpiredDisableTaskExecutorRequest(DisableTaskExecutorsRequest request) throws IOException;
List loadAllDisableTaskExecutorsRequests(ClusterID clusterID) throws IOException;
boolean isArtifactExists(String resourceId) throws IOException;
JobArtifact getArtifactById(String resourceId) throws IOException;
List listJobArtifacts(String name, String version) throws IOException;
void addNewJobArtifactsToCache(ClusterID clusterID, List artifacts) throws IOException;
void removeJobArtifactsToCache(ClusterID clusterID, List artifacts) throws IOException;
List listJobArtifactsToCache(ClusterID clusterID) throws IOException;
List listJobArtifactsByName(String prefix, String contains) throws IOException;
void addNewJobArtifact(JobArtifact jobArtifact) throws IOException;
/**
* Register and save the given cluster spec. Once the returned CompletionStage
* finishes successfully the given cluster should be available in list cluster response.
*/
ResourceClusterSpecWritable registerAndUpdateClusterSpec(ResourceClusterSpecWritable spec) throws IOException;
RegisteredResourceClustersWritable deregisterCluster(ClusterID clusterId) throws IOException;
RegisteredResourceClustersWritable getRegisteredResourceClustersWritable() throws IOException;
@Nullable
ResourceClusterSpecWritable getResourceClusterSpecWritable(ClusterID id) throws IOException;
ResourceClusterScaleRulesWritable getResourceClusterScaleRules(ClusterID clusterId) throws IOException;
ResourceClusterScaleRulesWritable registerResourceClusterScaleRule(
ResourceClusterScaleRulesWritable ruleSpec) throws IOException;
ResourceClusterScaleRulesWritable registerResourceClusterScaleRule(ResourceClusterScaleSpec rule) throws IOException;
}