Examples with RestException org.apache.pulsar.broker.web.RestException used on opensource projects

Example 71 with RestException

use of org.apache.pulsar.broker.web.RestException in project incubator-pulsar by apache.

the class NamespacesBase method internalSplitNamespaceBundle.

@SuppressWarnings("deprecation")
protected void internalSplitNamespaceBundle(String bundleRange, boolean authoritative, boolean unload) {
    log.info("[{}] Split namespace bundle {}/{}", clientAppId(), namespaceName, bundleRange);
    validateSuperUserAccess();
    Policies policies = getNamespacePolicies(namespaceName);
    if (namespaceName.isGlobal()) {
        // check cluster ownership for a given global namespace: redirect if peer-cluster owns it
        validateGlobalNamespaceOwnership(namespaceName);
    } else {
        validateClusterOwnership(namespaceName.getCluster());
        validateClusterForProperty(namespaceName.getProperty(), namespaceName.getCluster());
    }
    validatePoliciesReadOnlyAccess();
    NamespaceBundle nsBundle = validateNamespaceBundleOwnership(namespaceName, policies.bundles, bundleRange, authoritative, true);
    try {
        pulsar().getNamespaceService().splitAndOwnBundle(nsBundle, unload).get();
        log.info("[{}] Successfully split namespace bundle {}", clientAppId(), nsBundle.toString());
    } catch (IllegalArgumentException e) {
        log.error("[{}] Failed to split namespace bundle {}/{} due to {}", clientAppId(), namespaceName, bundleRange, e.getMessage());
        throw new RestException(Status.PRECONDITION_FAILED, "Split bundle failed due to invalid request");
    } catch (Exception e) {
        log.error("[{}] Failed to split namespace bundle {}/{}", clientAppId(), namespaceName, bundleRange, e);
        throw new RestException(e);
    }
}

Example 72 with RestException

use of org.apache.pulsar.broker.web.RestException in project incubator-pulsar by apache.

the class NamespacesBase method internalSetMaxProducersPerTopic.

protected void internalSetMaxProducersPerTopic(int maxProducersPerTopic) {
    validateSuperUserAccess();
    validatePoliciesReadOnlyAccess();
    try {
        Stat nodeStat = new Stat();
        final String path = path(POLICIES, namespaceName.toString());
        byte[] content = globalZk().getData(path, null, nodeStat);
        Policies policies = jsonMapper().readValue(content, Policies.class);
        if (maxProducersPerTopic < 0) {
            throw new RestException(Status.PRECONDITION_FAILED, "maxProducersPerTopic must be 0 or more");
        }
        policies.max_producers_per_topic = maxProducersPerTopic;
        globalZk().setData(path, jsonMapper().writeValueAsBytes(policies), nodeStat.getVersion());
        policiesCache().invalidate(path(POLICIES, namespaceName.toString()));
        log.info("[{}] Successfully updated maxProducersPerTopic configuration: namespace={}, value={}", clientAppId(), namespaceName, policies.max_producers_per_topic);
    } catch (KeeperException.NoNodeException e) {
        log.warn("[{}] Failed to update maxProducersPerTopic configuration for namespace {}: does not exist", clientAppId(), namespaceName);
        throw new RestException(Status.NOT_FOUND, "Namespace does not exist");
    } catch (KeeperException.BadVersionException e) {
        log.warn("[{}] Failed to update maxProducersPerTopic configuration for namespace {}: concurrent modification", clientAppId(), namespaceName);
        throw new RestException(Status.CONFLICT, "Concurrent modification");
    } catch (RestException pfe) {
        throw pfe;
    } catch (Exception e) {
        log.error("[{}] Failed to update maxProducersPerTopic configuration for namespace {}", clientAppId(), namespaceName, e);
        throw new RestException(e);
    }
}

Example 73 with RestException

use of org.apache.pulsar.broker.web.RestException in project incubator-pulsar by apache.

the class NamespacesBase method internalModifyDeduplication.

protected void internalModifyDeduplication(boolean enableDeduplication) {
    validateAdminAccessOnProperty(namespaceName.getProperty());
    validatePoliciesReadOnlyAccess();
    Entry<Policies, Stat> policiesNode = null;
    try {
        // Force to read the data s.t. the watch to the cache content is setup.
        policiesNode = policiesCache().getWithStat(path(POLICIES, namespaceName.toString())).orElseThrow(() -> new RestException(Status.NOT_FOUND, "Namespace " + namespaceName + " does not exist"));
        policiesNode.getKey().deduplicationEnabled = enableDeduplication;
        // Write back the new policies into zookeeper
        globalZk().setData(path(POLICIES, namespaceName.toString()), jsonMapper().writeValueAsBytes(policiesNode.getKey()), policiesNode.getValue().getVersion());
        policiesCache().invalidate(path(POLICIES, namespaceName.toString()));
        log.info("[{}] Successfully {} on namespace {}", clientAppId(), enableDeduplication ? "enabled" : "disabled", namespaceName);
    } catch (KeeperException.NoNodeException e) {
        log.warn("[{}] Failed to modify deplication status for namespace {}: does not exist", clientAppId(), namespaceName);
        throw new RestException(Status.NOT_FOUND, "Namespace does not exist");
    } catch (KeeperException.BadVersionException e) {
        log.warn("[{}] Failed to modify deplication status on namespace {} expected policy node version={} : concurrent modification", clientAppId(), namespaceName, policiesNode.getValue().getVersion());
        throw new RestException(Status.CONFLICT, "Concurrent modification");
    } catch (Exception e) {
        log.error("[{}] Failed to modify deplication status on namespace {}", clientAppId(), namespaceName, e);
        throw new RestException(e);
    }
}

Example 74 with RestException

use of org.apache.pulsar.broker.web.RestException in project incubator-pulsar by apache.

the class NamespacesBase method clearBacklog.

private void clearBacklog(NamespaceName nsName, String bundleRange, String subscription) {
    try {
        List<Topic> topicList = pulsar().getBrokerService().getAllTopicsFromNamespaceBundle(nsName.toString(), nsName.toString() + "/" + bundleRange);
        List<CompletableFuture<Void>> futures = Lists.newArrayList();
        if (subscription != null) {
            if (subscription.startsWith(pulsar().getConfiguration().getReplicatorPrefix())) {
                subscription = PersistentReplicator.getRemoteCluster(subscription);
            }
            for (Topic topic : topicList) {
                if (topic instanceof PersistentTopic) {
                    futures.add(((PersistentTopic) topic).clearBacklog(subscription));
                }
            }
        } else {
            for (Topic topic : topicList) {
                if (topic instanceof PersistentTopic) {
                    futures.add(((PersistentTopic) topic).clearBacklog());
                }
            }
        }
        FutureUtil.waitForAll(futures).get();
    } catch (Exception e) {
        log.error("[{}] Failed to clear backlog for namespace {}/{}, subscription: {}", clientAppId(), nsName.toString(), bundleRange, subscription, e);
        throw new RestException(e);
    }
}

Example 75 with RestException

use of org.apache.pulsar.broker.web.RestException in project incubator-pulsar by apache.

the class NamespacesBase method internalDeleteNamespace.

@SuppressWarnings("deprecation")
protected void internalDeleteNamespace(boolean authoritative) {
    validateAdminAccessOnProperty(namespaceName.getProperty());
    validatePoliciesReadOnlyAccess();
    // ensure that non-global namespace is directed to the correct cluster
    if (!namespaceName.isGlobal()) {
        validateClusterOwnership(namespaceName.getCluster());
    }
    Entry<Policies, Stat> policiesNode = null;
    Policies policies = null;
    // ensure the local cluster is the only cluster for the global namespace configuration
    try {
        policiesNode = policiesCache().getWithStat(path(POLICIES, namespaceName.toString())).orElseThrow(() -> new RestException(Status.NOT_FOUND, "Namespace " + namespaceName + " does not exist."));
        policies = policiesNode.getKey();
        if (namespaceName.isGlobal()) {
            if (policies.replication_clusters.size() > 1) {
                // There are still more than one clusters configured for the global namespace
                throw new RestException(Status.PRECONDITION_FAILED, "Cannot delete the global namespace " + namespaceName + ". There are still more than one replication clusters configured.");
            }
            if (policies.replication_clusters.size() == 1 && !policies.replication_clusters.contains(config().getClusterName())) {
                // the only replication cluster is other cluster, redirect
                String replCluster = policies.replication_clusters.get(0);
                ClusterData replClusterData = clustersCache().get(AdminResource.path("clusters", replCluster)).orElseThrow(() -> new RestException(Status.NOT_FOUND, "Cluster " + replCluster + " does not exist"));
                URL replClusterUrl;
                if (!config().isTlsEnabled() || !isRequestHttps()) {
                    replClusterUrl = new URL(replClusterData.getServiceUrl());
                } else if (StringUtils.isNotBlank(replClusterData.getServiceUrlTls())) {
                    replClusterUrl = new URL(replClusterData.getServiceUrlTls());
                } else {
                    throw new RestException(Status.PRECONDITION_FAILED, "The replication cluster does not provide TLS encrypted service");
                }
                URI redirect = UriBuilder.fromUri(uri.getRequestUri()).host(replClusterUrl.getHost()).port(replClusterUrl.getPort()).replaceQueryParam("authoritative", false).build();
                if (log.isDebugEnabled()) {
                    log.debug("[{}] Redirecting the rest call to {}: cluster={}", clientAppId(), redirect, replCluster);
                }
                throw new WebApplicationException(Response.temporaryRedirect(redirect).build());
            }
        }
    } catch (WebApplicationException wae) {
        throw wae;
    } catch (Exception e) {
        throw new RestException(e);
    }
    boolean isEmpty;
    try {
        isEmpty = pulsar().getNamespaceService().getListOfTopics(namespaceName).isEmpty();
    } catch (Exception e) {
        throw new RestException(e);
    }
    if (!isEmpty) {
        log.debug("Found topics on namespace {}", namespaceName);
        throw new RestException(Status.CONFLICT, "Cannot delete non empty namespace");
    }
    // set the policies to deleted so that somebody else cannot acquire this namespace
    try {
        policies.deleted = true;
        globalZk().setData(path(POLICIES, namespaceName.toString()), jsonMapper().writeValueAsBytes(policies), policiesNode.getValue().getVersion());
        policiesCache().invalidate(path(POLICIES, namespaceName.toString()));
    } catch (Exception e) {
        log.error("[{}] Failed to delete namespace on global ZK {}", clientAppId(), namespaceName, e);
        throw new RestException(e);
    }
    // remove from owned namespace map and ephemeral node from ZK
    try {
        NamespaceBundles bundles = pulsar().getNamespaceService().getNamespaceBundleFactory().getBundles(namespaceName);
        for (NamespaceBundle bundle : bundles.getBundles()) {
            // check if the bundle is owned by any broker, if not then we do not need to delete the bundle
            if (pulsar().getNamespaceService().getOwner(bundle).isPresent()) {
                pulsar().getAdminClient().namespaces().deleteNamespaceBundle(namespaceName.toString(), bundle.getBundleRange());
            }
        }
        // we have successfully removed all the ownership for the namespace, the policies znode can be deleted now
        final String globalZkPolicyPath = path(POLICIES, namespaceName.toString());
        final String lcaolZkPolicyPath = joinPath(LOCAL_POLICIES_ROOT, namespaceName.toString());
        globalZk().delete(globalZkPolicyPath, -1);
        localZk().delete(lcaolZkPolicyPath, -1);
        policiesCache().invalidate(globalZkPolicyPath);
        localCacheService().policiesCache().invalidate(lcaolZkPolicyPath);
    } catch (PulsarAdminException cae) {
        throw new RestException(cae);
    } catch (Exception e) {
        log.error("[{}] Failed to remove owned namespace {}", clientAppId(), namespaceName, e);
    // avoid throwing exception in case of the second failure
    }
}