Examples with IInvokableInstance org.apache.cassandra.distributed.api.IInvokableInstance used on opensource projects

Example 6 with IInvokableInstance

use of org.apache.cassandra.distributed.api.IInvokableInstance in project cassandra by apache.

the class HostReplacementTest method replaceDownedHost.

/**
 * Attempt to do a host replacement on a down host
 */
@Test
public void replaceDownedHost() throws IOException {
    // start with 2 nodes, stop both nodes, start the seed, host replace the down node)
    TokenSupplier even = TokenSupplier.evenlyDistributedTokens(2);
    try (Cluster cluster = Cluster.build(2).withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK)).withTokenSupplier(node -> even.token(node == 3 ? 2 : node)).start()) {
        IInvokableInstance seed = cluster.get(1);
        IInvokableInstance nodeToRemove = cluster.get(2);
        setupCluster(cluster);
        // collect rows to detect issues later on if the state doesn't match
        SimpleQueryResult expectedState = nodeToRemove.coordinator().executeWithResult("SELECT * FROM " + KEYSPACE + ".tbl", ConsistencyLevel.ALL);
        stopUnchecked(nodeToRemove);
        // now create a new node to replace the other node
        IInvokableInstance replacingNode = replaceHostAndStart(cluster, nodeToRemove, props -> {
            // since we have a downed host there might be a schema version which is old show up but
            // can't be fetched since the host is down...
            props.set(BOOTSTRAP_SKIP_SCHEMA_CHECK, true);
        });
        // wait till the replacing node is in the ring
        awaitRingJoin(seed, replacingNode);
        awaitRingJoin(replacingNode, seed);
        // make sure all nodes are healthy
        awaitRingHealthy(seed);
        assertRingIs(seed, seed, replacingNode);
        logger.info("Current ring is {}", assertRingIs(replacingNode, seed, replacingNode));
        validateRows(seed.coordinator(), expectedState);
        validateRows(replacingNode.coordinator(), expectedState);
    }
}

Example 7 with IInvokableInstance

use of org.apache.cassandra.distributed.api.IInvokableInstance in project cassandra by apache.

the class HostReplacementTest method replaceAliveHost.

/**
 * Attempt to do a host replacement on a alive host
 */
@Test
public void replaceAliveHost() throws IOException {
    // start with 2 nodes, stop both nodes, start the seed, host replace the down node)
    TokenSupplier even = TokenSupplier.evenlyDistributedTokens(2);
    try (Cluster cluster = Cluster.build(2).withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK).set(Constants.KEY_DTEST_API_STARTUP_FAILURE_AS_SHUTDOWN, false)).withTokenSupplier(node -> even.token(node == 3 ? 2 : node)).start()) {
        IInvokableInstance seed = cluster.get(1);
        IInvokableInstance nodeToRemove = cluster.get(2);
        setupCluster(cluster);
        // collect rows to detect issues later on if the state doesn't match
        SimpleQueryResult expectedState = nodeToRemove.coordinator().executeWithResult("SELECT * FROM " + KEYSPACE + ".tbl", ConsistencyLevel.ALL);
        // now create a new node to replace the other node
        Assertions.assertThatThrownBy(() -> replaceHostAndStart(cluster, nodeToRemove)).as("Startup of instance should have failed as you can not replace a alive node").hasMessageContaining("Cannot replace a live node").isInstanceOf(UnsupportedOperationException.class);
        // make sure all nodes are healthy
        awaitRingHealthy(seed);
        assertRingIs(seed, seed, nodeToRemove);
        logger.info("Current ring is {}", assertRingIs(nodeToRemove, seed, nodeToRemove));
        validateRows(seed.coordinator(), expectedState);
        validateRows(nodeToRemove.coordinator(), expectedState);
    }
}

Example 8 with IInvokableInstance

use of org.apache.cassandra.distributed.api.IInvokableInstance in project cassandra by apache.

the class RepairOperationalTest method mainDC.

@Test
public void mainDC() throws IOException {
    try (Cluster cluster = Cluster.build().withRacks(2, 1, 2).start()) {
        // 1-2 : datacenter1
        // 3-4 : datacenter2
        cluster.schemaChange("CREATE KEYSPACE " + KEYSPACE + " WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1':2, 'datacenter2':0}");
        cluster.schemaChange("CREATE TABLE " + KEYSPACE + ".tbl (id int PRIMARY KEY, i int)");
        for (int i = 0; i < 10; i++) cluster.coordinator(1).execute("INSERT INTO " + KEYSPACE + ".tbl (id, i) VALUES (?, ?)", ConsistencyLevel.ALL, i, i);
        cluster.forEach(i -> i.flush(KEYSPACE));
        // choose a node in the DC that doesn't have any replicas
        IInvokableInstance node = cluster.get(1);
        Assertions.assertThat(node.config().localDatacenter()).isEqualTo("datacenter1");
        node.nodetoolResult("repair", "-full", "--ignore-unreplicated-keyspaces", "-st", "0", "-et", "1000", KEYSPACE, "tbl").asserts().success();
    }
}

Example 9 with IInvokableInstance

use of org.apache.cassandra.distributed.api.IInvokableInstance in project cassandra by apache.

the class RepairOperationalTest method hostFilterDifferentDC.

@Test
public void hostFilterDifferentDC() throws IOException {
    try (Cluster cluster = Cluster.build().withRacks(2, 1, 2).start()) {
        // 1-2 : datacenter1
        // 3-4 : datacenter2
        cluster.schemaChange("CREATE KEYSPACE " + KEYSPACE + " WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1':2, 'datacenter2':0}");
        cluster.schemaChange("CREATE TABLE " + KEYSPACE + ".tbl (id int PRIMARY KEY, i int)");
        for (int i = 0; i < 10; i++) cluster.coordinator(1).execute("INSERT INTO " + KEYSPACE + ".tbl (id, i) VALUES (?, ?)", ConsistencyLevel.ALL, i, i);
        cluster.forEach(i -> i.flush(KEYSPACE));
        // choose a node in the DC that doesn't have any replicas
        IInvokableInstance node = cluster.get(3);
        Assertions.assertThat(node.config().localDatacenter()).isEqualTo("datacenter2");
        // fails with "Specified hosts [127.0.0.3, 127.0.0.1] do not share range (0,1000] needed for repair. Either restrict repair ranges with -st/-et options, or specify one of the neighbors that share this range with this node: [].. Check the logs on the repair participants for further details"
        node.nodetoolResult("repair", "-full", "-hosts", cluster.get(1).broadcastAddress().getAddress().getHostAddress(), "-hosts", node.broadcastAddress().getAddress().getHostAddress(), "--ignore-unreplicated-keyspaces", "-st", "0", "-et", "1000", KEYSPACE, "tbl").asserts().success();
    }
}

Example 10 with IInvokableInstance

use of org.apache.cassandra.distributed.api.IInvokableInstance in project cassandra by apache.

the class RepairOperationalTest method dcFilterOnEmptyDC.

@Test
public void dcFilterOnEmptyDC() throws IOException {
    try (Cluster cluster = Cluster.build().withRacks(2, 1, 2).start()) {
        // 1-2 : datacenter1
        // 3-4 : datacenter2
        cluster.schemaChange("CREATE KEYSPACE " + KEYSPACE + " WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1':2, 'datacenter2':0}");
        cluster.schemaChange("CREATE TABLE " + KEYSPACE + ".tbl (id int PRIMARY KEY, i int)");
        for (int i = 0; i < 10; i++) cluster.coordinator(1).execute("INSERT INTO " + KEYSPACE + ".tbl (id, i) VALUES (?, ?)", ConsistencyLevel.ALL, i, i);
        cluster.forEach(i -> i.flush(KEYSPACE));
        // choose a node in the DC that doesn't have any replicas
        IInvokableInstance node = cluster.get(3);
        Assertions.assertThat(node.config().localDatacenter()).isEqualTo("datacenter2");
        // fails with "the local data center must be part of the repair"
        node.nodetoolResult("repair", "-full", "-dc", "datacenter1", "-dc", "datacenter2", "--ignore-unreplicated-keyspaces", "-st", "0", "-et", "1000", KEYSPACE, "tbl").asserts().success();
    }
}