brooklyn-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aledsage <...@git.apache.org>
Subject [GitHub] incubator-brooklyn pull request: Couchbase sync gateway
Date Wed, 09 Jul 2014 09:48:14 GMT
Github user aledsage commented on a diff in the pull request:

    https://github.com/apache/incubator-brooklyn/pull/25#discussion_r14701180
  
    --- Diff: software/nosql/src/main/java/brooklyn/entity/nosql/couchbase/CouchbaseSyncGatewaySshDriver.java
---
    @@ -0,0 +1,158 @@
    +package brooklyn.entity.nosql.couchbase;
    +
    +import static brooklyn.util.ssh.BashCommands.INSTALL_CURL;
    +import static brooklyn.util.ssh.BashCommands.alternatives;
    +import static brooklyn.util.ssh.BashCommands.chainGroup;
    +import static brooklyn.util.ssh.BashCommands.sudo;
    +import static java.lang.String.format;
    +
    +import java.util.List;
    +
    +import javax.annotation.Nullable;
    +
    +import brooklyn.entity.Entity;
    +import brooklyn.entity.basic.AbstractSoftwareProcessSshDriver;
    +import brooklyn.entity.basic.Entities;
    +import brooklyn.entity.basic.EntityLocal;
    +import brooklyn.entity.drivers.downloads.DownloadResolver;
    +import brooklyn.event.basic.DependentConfiguration;
    +import brooklyn.location.OsDetails;
    +import brooklyn.location.basic.SshMachineLocation;
    +import brooklyn.util.collections.MutableMap;
    +import brooklyn.util.ssh.BashCommands;
    +import brooklyn.util.time.Duration;
    +import brooklyn.util.time.Time;
    +
    +import com.google.common.base.Optional;
    +import com.google.common.base.Predicate;
    +import com.google.common.base.Predicates;
    +import com.google.common.collect.ImmutableList;
    +import com.google.common.collect.ImmutableMap;
    +import com.google.common.collect.Iterables;
    +
    +public class CouchbaseSyncGatewaySshDriver extends AbstractSoftwareProcessSshDriver implements
CouchbaseSyncGatewayDriver {
    +    public CouchbaseSyncGatewaySshDriver(EntityLocal entity, SshMachineLocation machine)
{
    +        super(entity, machine);
    +    }
    +
    +    @Override
    +    public void stop() {
    +
    +    }
    +
    +    @Override
    +    public void install() {
    +        //reference http://docs.couchbase.com/sync-gateway/#getting-started-with-sync-gateway
    +        DownloadResolver resolver = Entities.newDownloader(this);
    +        List<String> urls = resolver.getTargets();
    +        String saveAs = resolver.getFilename();
    +
    +        OsDetails osDetails = getMachine().getMachineDetails().getOsDetails();
    +
    +        log.info("Installing couchbase-sync-gateway version: {}", getVersion());
    +        if (osDetails.isLinux()) {
    +            List<String> commands = installLinux(urls, saveAs);
    +            newScript(INSTALLING)
    +                    .body.append(commands).execute();
    +        }
    +    }
    +
    +    @Override
    +    public void customize() {
    +
    +    }
    +
    +    @Override
    +    public void launch() {
    +        Entity cbNode = entity.getConfig(CouchbaseSyncGateway.COUCHBASE_SERVER);
    +        Entities.waitForServiceUp(cbNode, Duration.ONE_HOUR);
    +        DependentConfiguration.waitInTaskForAttributeReady(cbNode, CouchbaseCluster.IS_CLUSTER_INITIALIZED,
Predicates.equalTo(true));
    +        // Even once the bucket has published its API URL, it can still take a couple
of seconds for it to become available
    +        Time.sleep(10 * 1000);
    +        if (cbNode instanceof CouchbaseCluster) {
    +            Optional<Entity> cbClusterNode = Iterables.tryFind(cbNode.getAttribute(CouchbaseCluster.GROUP_MEMBERS),
new Predicate<Entity>() {
    --- End diff --
    
    Could use `Predicates.and(Predicates.instanceOf(CouchbaseNode.class), EntityPredicates.attributeEqualTo(CouchbaseNode.IS_IN_CLUSTER,
true)`, rather than declaring a new predicate.
    
    For general background reading, see https://code.google.com/p/guava-libraries/wiki/FunctionalExplained#Caveats
and also the discussion at https://groups.google.com/forum/#!msg/jclouds-dev/f-3QY6EKum4/UVyjHTjT8WIJ
(in particular Adrian Cole's "summarize my view" e-mail and Tim Peierls' reply).


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message