@Override protected String[] filterNodeIds(DiscoveryNodes nodes, String[] nodesIds) { List<String> list = new ArrayList<>(); for (String node : nodesIds) { if (nodes.getDataNodes().containsKey(node)) { list.add(node); } } return list.toArray(new String[list.size()]); }
@Override public void clusterChanged(final ClusterChangedEvent event) { if (lifecycle.stoppedOrClosed()) { return; } final ClusterState state = event.state(); if (state.nodes().isLocalNodeElectedMaster() == false) { // not our job to recover return; } if (state.blocks().hasGlobalBlock(STATE_NOT_RECOVERED_BLOCK) == false) { // already recovered return; } DiscoveryNodes nodes = state.nodes(); if (state.nodes().getMasterNodeId() == null) { logger.debug("not recovering from gateway, no master elected yet"); } else if (recoverAfterNodes != -1 && (nodes.getMasterAndDataNodes().size()) < recoverAfterNodes) { logger.debug( "not recovering from gateway, nodes_size (data+master) [{}] < recover_after_nodes [{}]", nodes.getMasterAndDataNodes().size(), recoverAfterNodes); } else if (recoverAfterDataNodes != -1 && nodes.getDataNodes().size() < recoverAfterDataNodes) { logger.debug( "not recovering from gateway, nodes_size (data) [{}] < recover_after_data_nodes [{}]", nodes.getDataNodes().size(), recoverAfterDataNodes); } else if (recoverAfterMasterNodes != -1 && nodes.getMasterNodes().size() < recoverAfterMasterNodes) { logger.debug( "not recovering from gateway, nodes_size (master) [{}] < recover_after_master_nodes [{}]", nodes.getMasterNodes().size(), recoverAfterMasterNodes); } else { boolean enforceRecoverAfterTime; String reason; if (expectedNodes == -1 && expectedMasterNodes == -1 && expectedDataNodes == -1) { // no expected is set, honor the setting if they are there enforceRecoverAfterTime = true; reason = "recover_after_time was set to [" + recoverAfterTime + "]"; } else { // one of the expected is set, see if all of them meet the need, and ignore the timeout in // this case enforceRecoverAfterTime = false; reason = ""; if (expectedNodes != -1 && (nodes.getMasterAndDataNodes().size() < expectedNodes)) { // does not meet the expected... enforceRecoverAfterTime = true; reason = "expecting [" + expectedNodes + "] nodes, but only have [" + nodes.getMasterAndDataNodes().size() + "]"; } else if (expectedDataNodes != -1 && (nodes.getDataNodes().size() < expectedDataNodes)) { // does not meet the expected... enforceRecoverAfterTime = true; reason = "expecting [" + expectedDataNodes + "] data nodes, but only have [" + nodes.getDataNodes().size() + "]"; } else if (expectedMasterNodes != -1 && (nodes.getMasterNodes().size() < expectedMasterNodes)) { // does not meet the expected... enforceRecoverAfterTime = true; reason = "expecting [" + expectedMasterNodes + "] master nodes, but only have [" + nodes.getMasterNodes().size() + "]"; } } performStateRecovery(enforceRecoverAfterTime, reason); } }