/*
* 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 org.apache.usergrid.chop.webapp.coordinator.rest;
import java.util.Collection;
import java.util.LinkedList;
import java.util.Map;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.apache.usergrid.chop.api.RestParams;
import org.apache.usergrid.chop.api.Runner;
import org.apache.usergrid.chop.api.State;
import org.apache.usergrid.chop.stack.SetupStackState;
import org.apache.usergrid.chop.webapp.coordinator.RunnerCoordinator;
import org.apache.usergrid.chop.webapp.coordinator.StackCoordinator;
import org.apache.usergrid.chop.webapp.dao.model.BasicModule;
import org.safehaus.jettyjam.utils.TestMode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nullable;
import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
/**
* REST operation to setup the Stack under test.
*/
@Singleton
@Produces( MediaType.APPLICATION_JSON )
@Path( ResetResource.ENDPOINT )
public class ResetResource extends TestableResource implements RestParams {
public final static String ENDPOINT = "/reset";
private static final Logger LOG = LoggerFactory.getLogger( ResetResource.class );
@Inject
private RunnerCoordinator runnerCoordinator;
@Inject
private StackCoordinator stackCoordinator;
@Inject
public ResetResource() {
super( ENDPOINT );
}
@POST
@Consumes( MediaType.APPLICATION_JSON )
@Produces( MediaType.APPLICATION_JSON )
public Response reset(
@QueryParam( RestParams.COMMIT_ID ) String commitId,
@QueryParam( RestParams.MODULE_ARTIFACTID ) String artifactId,
@QueryParam( RestParams.MODULE_GROUPID ) String groupId,
@QueryParam( RestParams.MODULE_VERSION ) String version,
@QueryParam( RestParams.USERNAME ) String user,
@Nullable @QueryParam( TestMode.TEST_MODE_PROPERTY ) String testMode
) {
if( inTestMode( testMode ) ) {
LOG.info( "Calling /reset in test mode ..." );
}
else {
LOG.info( "Calling /reset" );
}
LOG.info( " Commit Id: {}", commitId );
LOG.info( " Group Id: {}", groupId );
LOG.info( " Artifact Id: {}", artifactId );
LOG.info( " Version: {}", version );
LOG.info( " User: {}", user );
// Check if the stack is set up first
SetupStackState status = stackCoordinator.stackStatus( commitId, artifactId, groupId, version, user );
if( inTestMode( testMode ) ) {
return Response.status( Response.Status.CREATED )
.entity( status )
.type( MediaType.APPLICATION_JSON )
.build();
}
if( ! status.equals( SetupStackState.SetUp ) ) {
return Response.status( Response.Status.OK )
.entity( "Stack is " + status.toString() + ", cannot reset tests." )
.type( MediaType.APPLICATION_JSON )
.build();
}
/** SetupStackState.SetUp */
LOG.info( "Stack is set up, checking runner states..." );
/** Check state of all runners */
String moduleId = BasicModule.createId( groupId, artifactId, version );
Collection<Runner> runners = runnerCoordinator.getRunners( user, commitId, moduleId );
Map<Runner, State> states = runnerCoordinator.getStates( runners );
Collection<Runner> stoppedRunners = new LinkedList<Runner>();
StringBuilder sbToReset = new StringBuilder();
StringBuilder sbFail = new StringBuilder();
sbFail.append( "Cannot reset tests.\n" );
int notAvailable = 0;
for ( Runner runner: runners ) {
State state = states.get( runner );
if( state == State.STOPPED ) {
stoppedRunners.add( runner );
sbToReset.append( "Runner at " )
.append( runner.getUrl() )
.append( " is in " )
.append( state )
.append( " state.\n" );
}
else if( state != State.READY ) {
notAvailable++;
sbFail.append( "Runner at " )
.append( runner.getUrl() )
.append( " is in " )
.append( state )
.append( " state.\n" );
}
}
// Some runners are still running or inactive
if( notAvailable > 0 ) {
sbFail.append( notAvailable )
.append( " out of " )
.append( runners.size() )
.append( " are still running or inactive." );
return Response.status( Response.Status.OK )
.entity( sbFail.toString() )
.type( MediaType.APPLICATION_JSON )
.build();
}
if( stoppedRunners.size() == 0 ) {
return Response.status( Response.Status.OK )
.entity( "No runners are in STOPPED state, will not reset." )
.type( MediaType.APPLICATION_JSON )
.build();
}
/** Sending reset signal to runners */
LOG.info( sbToReset.toString() );
LOG.info( "Sending reset signal to stopped instances..." );
states = runnerCoordinator.reset( stoppedRunners );
int notReset = 0;
StringBuilder sb = new StringBuilder();
sb.append( "Could not reset all runners.\n" );
for( Runner runner: stoppedRunners ) {
State state = states.get( runner );
if( state != State.READY ) {
notReset++;
sb.append( "Runner at " )
.append( runner.getUrl() )
.append( " is in " )
.append( state )
.append( " state.\n" );
}
}
// Not all stopped runners could be reset
if( notReset > 0 ) {
sb.append( notReset )
.append( " out of " )
.append( stoppedRunners.size() )
.append( " stopped runners could not be reset." );
return Response.status( Response.Status.OK )
.entity( sb.toString() )
.type( MediaType.APPLICATION_JSON )
.build();
}
return Response.status( Response.Status.CREATED )
.entity( "All stopped runners have been reset." )
.type( MediaType.APPLICATION_JSON )
.build();
}
}