Examples with DatanodeAdminError org.apache.hadoop.hdds.scm.DatanodeAdminError used on opensource projects

Example 1 with DatanodeAdminError

use of org.apache.hadoop.hdds.scm.DatanodeAdminError in project ozone by apache.

the class StorageContainerLocationProtocolClientSideTranslatorPB method startMaintenanceNodes.

/**
 * Attempts to put the list of nodes into maintenance mode.
 *
 * @param nodes The list of hostnames or hostname:ports to put into
 *              maintenance
 * @param endInHours A number of hours from now where the nodes will be taken
 *                   out of maintenance automatically. Passing zero will
 *                   allow the nodes to stay in maintenance indefinitely
 * @throws IOException
 */
@Override
public List<DatanodeAdminError> startMaintenanceNodes(List<String> nodes, int endInHours) throws IOException {
    Preconditions.checkNotNull(nodes);
    StartMaintenanceNodesRequestProto request = StartMaintenanceNodesRequestProto.newBuilder().addAllHosts(nodes).setEndInHours(endInHours).build();
    StartMaintenanceNodesResponseProto response = submitRequest(Type.StartMaintenanceNodes, builder -> builder.setStartMaintenanceNodesRequest(request)).getStartMaintenanceNodesResponse();
    List<DatanodeAdminError> errors = new ArrayList<>();
    for (DatanodeAdminErrorResponseProto e : response.getFailedHostsList()) {
        errors.add(new DatanodeAdminError(e.getHost(), e.getError()));
    }
    return errors;
}

Example 2 with DatanodeAdminError

use of org.apache.hadoop.hdds.scm.DatanodeAdminError in project ozone by apache.

the class TestMaintenanceSubCommand method testErrorsReportedWhenEnteringMaintenance.

@Test
public void testErrorsReportedWhenEnteringMaintenance() throws IOException {
    ScmClient scmClient = mock(ScmClient.class);
    Mockito.when(scmClient.startMaintenanceNodes(anyListOf(String.class), anyInt())).thenAnswer(invocation -> {
        ArrayList<DatanodeAdminError> e = new ArrayList<>();
        e.add(new DatanodeAdminError("host1", "host1 error"));
        return e;
    });
    CommandLine c = new CommandLine(cmd);
    c.parseArgs("host1", "host2");
    try {
        cmd.execute(scmClient);
        fail("Should not succeed without an exception");
    } catch (IOException e) {
    // Expected
    }
    Pattern p = Pattern.compile("^Entering\\smaintenance\\smode\\son\\sdatanode\\(s\\)", Pattern.MULTILINE);
    Matcher m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^host1$", Pattern.MULTILINE);
    m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^host2$", Pattern.MULTILINE);
    m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^Error: host1: host1 error$", Pattern.MULTILINE);
    m = p.matcher(errContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
}

Example 3 with DatanodeAdminError

use of org.apache.hadoop.hdds.scm.DatanodeAdminError in project ozone by apache.

the class TestMaintenanceSubCommand method testNoErrorsWhenEnteringMaintenance.

@Test
public void testNoErrorsWhenEnteringMaintenance() throws IOException {
    ScmClient scmClient = mock(ScmClient.class);
    Mockito.when(scmClient.startMaintenanceNodes(anyListOf(String.class), anyInt())).thenAnswer(invocation -> new ArrayList<DatanodeAdminError>());
    CommandLine c = new CommandLine(cmd);
    c.parseArgs("host1", "host2");
    cmd.execute(scmClient);
    Pattern p = Pattern.compile("^Entering\\smaintenance\\smode\\son\\sdatanode\\(s\\)", Pattern.MULTILINE);
    Matcher m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^host1$", Pattern.MULTILINE);
    m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^host2$", Pattern.MULTILINE);
    m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
}

Example 4 with DatanodeAdminError

use of org.apache.hadoop.hdds.scm.DatanodeAdminError in project ozone by apache.

the class TestRecommissionSubCommand method testNoErrorsWhenRecommissioning.

@Test
public void testNoErrorsWhenRecommissioning() throws IOException {
    ScmClient scmClient = mock(ScmClient.class);
    Mockito.when(scmClient.recommissionNodes(anyListOf(String.class))).thenAnswer(invocation -> new ArrayList<DatanodeAdminError>());
    CommandLine c = new CommandLine(cmd);
    c.parseArgs("host1", "host2");
    cmd.execute(scmClient);
    Pattern p = Pattern.compile("^Started\\srecommissioning\\sdatanode\\(s\\)", Pattern.MULTILINE);
    Matcher m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^host1$", Pattern.MULTILINE);
    m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
    p = Pattern.compile("^host2$", Pattern.MULTILINE);
    m = p.matcher(outContent.toString(DEFAULT_ENCODING));
    assertTrue(m.find());
}

Example 5 with DatanodeAdminError

use of org.apache.hadoop.hdds.scm.DatanodeAdminError in project ozone by apache.

the class DecommissionSubCommand method execute.

@Override
public void execute(ScmClient scmClient) throws IOException {
    if (hosts.size() > 0) {
        List<DatanodeAdminError> errors = scmClient.decommissionNodes(hosts);
        System.out.println("Started decommissioning datanode(s):\n" + String.join("\n", hosts));
        if (errors.size() > 0) {
            for (DatanodeAdminError error : errors) {
                System.err.println("Error: " + error.getHostname() + ": " + error.getError());
            }
            // command.
            throw new IOException("Some nodes could not enter the decommission workflow");
        }
    } else {
        GenericCli.missingSubcommand(spec);
    }
}