com.netflix.genie.web.apis.rest.v3.controllers.ApplicationRestController Maven / Gradle / Ivy
/*
*
* Copyright 2015 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 com.netflix.genie.web.apis.rest.v3.controllers;
import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jsonpatch.JsonPatch;
import com.github.fge.jsonpatch.JsonPatchException;
import com.google.common.collect.Lists;
import com.netflix.genie.common.dto.Application;
import com.netflix.genie.common.dto.Command;
import com.netflix.genie.common.exceptions.GenieException;
import com.netflix.genie.common.exceptions.GeniePreconditionException;
import com.netflix.genie.common.exceptions.GenieServerException;
import com.netflix.genie.common.external.util.GenieObjectMapper;
import com.netflix.genie.common.internal.dtos.ApplicationStatus;
import com.netflix.genie.common.internal.dtos.CommandStatus;
import com.netflix.genie.common.internal.dtos.converters.DtoConverters;
import com.netflix.genie.web.apis.rest.v3.hateoas.assemblers.ApplicationModelAssembler;
import com.netflix.genie.web.apis.rest.v3.hateoas.assemblers.CommandModelAssembler;
import com.netflix.genie.web.apis.rest.v3.hateoas.assemblers.EntityModelAssemblers;
import com.netflix.genie.web.data.services.DataServices;
import com.netflix.genie.web.data.services.PersistenceService;
import com.netflix.genie.web.exceptions.checked.IdAlreadyExistsException;
import com.netflix.genie.web.exceptions.checked.NotFoundException;
import com.netflix.genie.web.exceptions.checked.PreconditionFailedException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.data.web.PagedResourcesAssembler;
import org.springframework.hateoas.EntityModel;
import org.springframework.hateoas.Link;
import org.springframework.hateoas.MediaTypes;
import org.springframework.hateoas.PagedModel;
import org.springframework.hateoas.server.mvc.WebMvcLinkBuilder;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PatchMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import javax.annotation.Nullable;
import java.io.IOException;
import java.util.EnumSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
/**
* REST end-point for supporting Applications.
*
* @author tgianos
* @since 3.0.0
*/
@RestController
@RequestMapping(value = "/api/v3/applications")
@Slf4j
public class ApplicationRestController {
private final PersistenceService persistenceService;
private final ApplicationModelAssembler applicationModelAssembler;
private final CommandModelAssembler commandModelAssembler;
/**
* Constructor.
*
* @param dataServices The {@link DataServices} encapsulation instance to use
* @param entityModelAssemblers The encapsulation of all the available V3 resource assemblers
*/
@Autowired
public ApplicationRestController(
final DataServices dataServices,
final EntityModelAssemblers entityModelAssemblers
) {
this.persistenceService = dataServices.getPersistenceService();
this.applicationModelAssembler = entityModelAssemblers.getApplicationModelAssembler();
this.commandModelAssembler = entityModelAssemblers.getCommandModelAssembler();
}
/**
* Create an Application.
*
* @param app The application to create
* @return The created application configuration
* @throws IdAlreadyExistsException If the ID was already in use
*/
@PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.CREATED)
public ResponseEntity createApplication(@RequestBody final Application app) throws IdAlreadyExistsException {
log.info("Called to create new application: {}", app);
final String id = this.persistenceService.saveApplication(DtoConverters.toV4ApplicationRequest(app));
final HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setLocation(
ServletUriComponentsBuilder
.fromCurrentRequest()
.path("/{id}")
.buildAndExpand(id)
.toUri()
);
return new ResponseEntity<>(httpHeaders, HttpStatus.CREATED);
}
/**
* Delete all applications from database.
*
* @throws PreconditionFailedException If any of the applications were still linked to a command
*/
@DeleteMapping
@ResponseStatus(HttpStatus.NO_CONTENT)
public void deleteAllApplications() throws PreconditionFailedException {
log.warn("Called to delete all Applications");
this.persistenceService.deleteAllApplications();
}
/**
* Get Applications based on user parameters.
*
* @param name name for configuration (optional)
* @param user The user who created the application (optional)
* @param statuses The statuses of the applications (optional)
* @param tags The set of tags you want the application for. (optional)
* @param type The type of applications to get (optional)
* @param page The page to get
* @param assembler The paged resources assembler to use
* @return All applications matching the criteria
* @throws GenieException For any error
*/
@GetMapping(produces = MediaTypes.HAL_JSON_VALUE)
@ResponseStatus(HttpStatus.OK)
public PagedModel> getApplications(
@RequestParam(value = "name", required = false) @Nullable final String name,
@RequestParam(value = "user", required = false) @Nullable final String user,
@RequestParam(value = "status", required = false) @Nullable final Set statuses,
@RequestParam(value = "tag", required = false) @Nullable final Set tags,
@RequestParam(value = "type", required = false) @Nullable final String type,
@PageableDefault(sort = {"updated"}, direction = Sort.Direction.DESC) final Pageable page,
final PagedResourcesAssembler assembler
) throws GenieException {
log.info(
"Finding applications [name | user | status | tags | type | pageable]\n{} | {} | {} | {} | | {} | {}",
name,
user,
statuses,
tags,
type,
page
);
Set enumStatuses = null;
if (statuses != null) {
enumStatuses = EnumSet.noneOf(ApplicationStatus.class);
for (final String status : statuses) {
enumStatuses.add(
DtoConverters.toV4ApplicationStatus(com.netflix.genie.common.dto.ApplicationStatus.parse(status))
);
}
}
final Page applications;
if (tags != null && tags.stream().anyMatch(tag -> tag.startsWith(DtoConverters.GENIE_ID_PREFIX))) {
// TODO: This doesn't take into account others as compounded find...not sure if good or bad
final List applicationList = Lists.newArrayList();
final int prefixLength = DtoConverters.GENIE_ID_PREFIX.length();
tags
.stream()
.filter(tag -> tag.startsWith(DtoConverters.GENIE_ID_PREFIX))
.forEach(
tag -> {
final String id = tag.substring(prefixLength);
try {
applicationList.add(
DtoConverters.toV3Application(this.persistenceService.getApplication(id))
);
} catch (final NotFoundException ge) {
log.debug("No application with id {} found", id, ge);
}
}
);
applications = new PageImpl<>(applicationList);
} else if (tags != null
&& tags.stream().filter(tag -> tag.startsWith(DtoConverters.GENIE_NAME_PREFIX)).count() >= 1L) {
final Set finalTags = tags
.stream()
.filter(tag -> !tag.startsWith(DtoConverters.GENIE_NAME_PREFIX))
.collect(Collectors.toSet());
if (name == null) {
final Optional finalName = tags
.stream()
.filter(tag -> tag.startsWith(DtoConverters.GENIE_NAME_PREFIX))
.map(tag -> tag.substring(DtoConverters.GENIE_NAME_PREFIX.length()))
.findFirst();
applications = this.persistenceService
.findApplications(finalName.orElse(null), user, enumStatuses, finalTags, type, page)
.map(DtoConverters::toV3Application);
} else {
applications = this.persistenceService
.findApplications(name, user, enumStatuses, finalTags, type, page)
.map(DtoConverters::toV3Application);
}
} else {
applications = this.persistenceService
.findApplications(name, user, enumStatuses, tags, type, page)
.map(DtoConverters::toV3Application);
}
final Link self = WebMvcLinkBuilder.linkTo(
WebMvcLinkBuilder
.methodOn(ApplicationRestController.class)
.getApplications(name, user, statuses, tags, type, page, assembler)
).withSelfRel();
return assembler.toModel(
applications,
this.applicationModelAssembler,
self
);
}
/**
* Get Application for given id.
*
* @param id unique id for application configuration
* @return The application configuration
* @throws NotFoundException If no application exists with the given id
*/
@GetMapping(value = "/{id}", produces = MediaTypes.HAL_JSON_VALUE)
@ResponseStatus(HttpStatus.OK)
public EntityModel getApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called to get Application for id {}", id);
return this.applicationModelAssembler.toModel(
DtoConverters.toV3Application(this.persistenceService.getApplication(id))
);
}
/**
* Update application.
*
* @param id unique id for configuration to update
* @param updateApp contains the application information to update
* @throws NotFoundException If no application with the given id exists
* @throws PreconditionFailedException When the id in the update doesn't match
*/
@PutMapping(value = "/{id}", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void updateApplication(
@PathVariable("id") final String id,
@RequestBody final Application updateApp
) throws NotFoundException, PreconditionFailedException {
log.info("called to update application {} with info {}", id, updateApp);
this.persistenceService.updateApplication(id, DtoConverters.toV4Application(updateApp));
}
/**
* Patch an application using JSON Patch.
*
* @param id The id of the application to patch
* @param patch The JSON Patch instructions
* @throws NotFoundException If no application with the given id exists
* @throws PreconditionFailedException When the id in the update doesn't match
* @throws GenieServerException If the patch can't be successfully applied
*/
@PatchMapping(value = "/{id}", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void patchApplication(
@PathVariable("id") final String id,
@RequestBody final JsonPatch patch
) throws NotFoundException, PreconditionFailedException, GenieServerException {
log.info("Called to patch application {} with patch {}", id, patch);
final Application currentApp = DtoConverters.toV3Application(this.persistenceService.getApplication(id));
try {
log.debug("Will patch application {}. Original state: {}", id, currentApp);
final JsonNode applicationNode = GenieObjectMapper.getMapper().valueToTree(currentApp);
final JsonNode postPatchNode = patch.apply(applicationNode);
final Application patchedApp = GenieObjectMapper.getMapper().treeToValue(postPatchNode, Application.class);
log.debug("Finished patching application {}. New state: {}", id, patchedApp);
this.persistenceService.updateApplication(id, DtoConverters.toV4Application(patchedApp));
} catch (final JsonPatchException | IOException e) {
log.error("Unable to patch application {} with patch {} due to exception.", id, patch, e);
throw new GenieServerException(e.getLocalizedMessage(), e);
}
}
/**
* Delete an application configuration from database.
*
* @param id unique id of configuration to delete
* @throws PreconditionFailedException If the application is still tied to a command
*/
@DeleteMapping(value = "/{id}")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void deleteApplication(@PathVariable("id") final String id) throws PreconditionFailedException {
log.info("Delete an application with id {}", id);
this.persistenceService.deleteApplication(id);
}
/**
* Add new configuration files to a given application.
*
* @param id The id of the application to add the configuration file to. Not
* null/empty/blank.
* @param configs The configuration files to add. Not null/empty/blank.
* @throws NotFoundException If no application with the given id exists
*/
@PostMapping(value = "/{id}/configs", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void addConfigsToApplication(
@PathVariable("id") final String id,
@RequestBody final Set configs
) throws NotFoundException {
log.info("Called with id {} and config {}", id, configs);
this.persistenceService.addConfigsToResource(
id,
configs,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Get all the configuration files for a given application.
*
* @param id The id of the application to get the configuration files for.
* Not NULL/empty/blank.
* @return The active set of configuration files.
* @throws NotFoundException If no application with the given id exists
*/
@GetMapping(value = "/{id}/configs", produces = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.OK)
public Set getConfigsForApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called with id {}", id);
return this.persistenceService.getConfigsForResource(
id,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Update the configuration files for a given application.
*
* @param id The id of the application to update the configuration files
* for. Not null/empty/blank.
* @param configs The configuration files to replace existing configuration
* files with. Not null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@PutMapping(value = "/{id}/configs", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void updateConfigsForApplication(
@PathVariable("id") final String id,
@RequestBody final Set configs
) throws NotFoundException {
log.info("Called with id {} and configs {}", id, configs);
this.persistenceService.updateConfigsForResource(
id,
configs,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Delete the all configuration files from a given application.
*
* @param id The id of the application to delete the configuration files
* from. Not null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@DeleteMapping(value = "/{id}/configs")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void removeAllConfigsForApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called with id {}", id);
this.persistenceService.removeAllConfigsForResource(
id,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Add new dependency files for a given application.
*
* @param id The id of the application to add the dependency file to. Not
* null/empty/blank.
* @param dependencies The dependency files to add. Not null.
* @throws NotFoundException If no application with the given ID exists
*/
@PostMapping(value = "/{id}/dependencies", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void addDependenciesForApplication(
@PathVariable("id") final String id,
@RequestBody final Set dependencies
) throws NotFoundException {
log.info("Called with id {} and dependencies {}", id, dependencies);
this.persistenceService.addDependenciesToResource(
id,
dependencies,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Get all the dependency files for a given application.
*
* @param id The id of the application to get the dependency files for. Not
* NULL/empty/blank.
* @return The set of dependency files.
* @throws NotFoundException If no application with the given ID exists
*/
@GetMapping(value = "/{id}/dependencies", produces = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.OK)
public Set getDependenciesForApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called with id {}", id);
return this.persistenceService.getDependenciesForResource(
id,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Update the dependency files for a given application.
*
* @param id The id of the application to update the dependency files for. Not
* null/empty/blank.
* @param dependencies The dependency files to replace existing dependency files with. Not
* null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@PutMapping(value = "/{id}/dependencies", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void updateDependenciesForApplication(
@PathVariable("id") final String id,
@RequestBody final Set dependencies
) throws NotFoundException {
log.info("Called with id {} and dependencies {}", id, dependencies);
this.persistenceService.updateDependenciesForResource(
id,
dependencies,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Delete the all dependency files from a given application.
*
* @param id The id of the application to delete the dependency files from. Not
* null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@DeleteMapping(value = "/{id}/dependencies")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void removeAllDependenciesForApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called with id {}", id);
this.persistenceService.removeAllDependenciesForResource(
id,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Add new tags to a given application.
*
* @param id The id of the application to add the tags to. Not
* null/empty/blank.
* @param tags The tags to add. Not null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@PostMapping(value = "/{id}/tags", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void addTagsForApplication(
@PathVariable("id") final String id,
@RequestBody final Set tags
) throws NotFoundException {
log.info("Called with id {} and config {}", id, tags);
this.persistenceService.addTagsToResource(
id,
tags,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Get all the tags for a given application.
*
* @param id The id of the application to get the tags for. Not
* NULL/empty/blank.
* @return The active set of tags.
* @throws NotFoundException If no application with the given ID exists
*/
@GetMapping(value = "/{id}/tags", produces = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.OK)
public Set getTagsForApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called with id {}", id);
// This is done so that the v3 tags (genie.id, genie.name) are added properly
return DtoConverters.toV3Application(this.persistenceService.getApplication(id)).getTags();
}
/**
* Update the tags for a given application.
*
* @param id The id of the application to update the tags for.
* Not null/empty/blank.
* @param tags The tags to replace existing configuration
* files with. Not null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@PutMapping(value = "/{id}/tags", consumes = MediaType.APPLICATION_JSON_VALUE)
@ResponseStatus(HttpStatus.NO_CONTENT)
public void updateTagsForApplication(
@PathVariable("id") final String id,
@RequestBody final Set tags
) throws NotFoundException {
log.info("Called with id {} and tags {}", id, tags);
this.persistenceService.updateTagsForResource(
id,
tags,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Delete the all tags from a given application.
*
* @param id The id of the application to delete the tags from.
* Not null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@DeleteMapping(value = "/{id}/tags")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void removeAllTagsForApplication(@PathVariable("id") final String id) throws NotFoundException {
log.info("Called with id {}", id);
this.persistenceService.removeAllTagsForResource(
id,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Remove an tag from a given application.
*
* @param id The id of the application to delete the tag from. Not
* null/empty/blank.
* @param tag The tag to remove. Not null/empty/blank.
* @throws NotFoundException If no application with the given ID exists
*/
@DeleteMapping(value = "/{id}/tags/{tag}")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void removeTagForApplication(
@PathVariable("id") final String id,
@PathVariable("tag") final String tag
) throws NotFoundException {
log.info("Called with id {} and tag {}", id, tag);
this.persistenceService.removeTagForResource(
id,
tag,
com.netflix.genie.common.internal.dtos.Application.class
);
}
/**
* Get all the commands this application is associated with.
*
* @param id The id of the application to get the commands for. Not
* NULL/empty/blank.
* @param statuses The various statuses of the commands to retrieve
* @return The set of commands.
* @throws NotFoundException If no application with the given ID exists
* @throws GeniePreconditionException When the statuses can't be parsed successfully
*/
@GetMapping(value = "/{id}/commands", produces = MediaTypes.HAL_JSON_VALUE)
public Set> getCommandsForApplication(
@PathVariable("id") final String id,
@RequestParam(value = "status", required = false) @Nullable final Set statuses
) throws NotFoundException, GeniePreconditionException {
log.info("Called with id {} and statuses {}", id, statuses);
Set enumStatuses = null;
if (statuses != null) {
enumStatuses = EnumSet.noneOf(CommandStatus.class);
for (final String status : statuses) {
enumStatuses.add(
DtoConverters.toV4CommandStatus(com.netflix.genie.common.dto.CommandStatus.parse(status))
);
}
}
return this.persistenceService.getCommandsForApplication(id, enumStatuses)
.stream()
.map(DtoConverters::toV3Command)
.map(this.commandModelAssembler::toModel)
.collect(Collectors.toSet());
}
}
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