@Override
protected void masterOperation(
final IndicesAliasesRequest request,
final ClusterState state,
final ActionListener<IndicesAliasesResponse> listener)
throws ElasticsearchException {
// Expand the indices names
List<AliasActions> actions = request.aliasActions();
List<AliasAction> finalActions = new ArrayList<>();
boolean hasOnlyDeletesButNoneCanBeDone = true;
Set<String> aliases = new HashSet<>();
for (AliasActions action : actions) {
// expand indices
String[] concreteIndices =
state.metaData().concreteIndices(request.indicesOptions(), action.indices());
// collect the aliases
Collections.addAll(aliases, action.aliases());
for (String index : concreteIndices) {
for (String alias : action.concreteAliases(state.metaData(), index)) {
AliasAction finalAction = new AliasAction(action.aliasAction());
finalAction.index(index);
finalAction.alias(alias);
finalActions.add(finalAction);
// if there is only delete requests, none will be added if the types do not map to any
// existing type
hasOnlyDeletesButNoneCanBeDone = false;
}
}
}
if (hasOnlyDeletesButNoneCanBeDone && actions.size() != 0) {
throw new AliasesMissingException(aliases.toArray(new String[aliases.size()]));
}
request.aliasActions().clear();
IndicesAliasesClusterStateUpdateRequest updateRequest =
new IndicesAliasesClusterStateUpdateRequest()
.ackTimeout(request.timeout())
.masterNodeTimeout(request.masterNodeTimeout())
.actions(finalActions.toArray(new AliasAction[finalActions.size()]));
indexAliasesService.indicesAliases(
updateRequest,
new ActionListener<ClusterStateUpdateResponse>() {
@Override
public void onResponse(ClusterStateUpdateResponse response) {
listener.onResponse(new IndicesAliasesResponse(response.isAcknowledged()));
}
@Override
public void onFailure(Throwable t) {
logger.debug("failed to perform aliases", t);
listener.onFailure(t);
}
});
}
@Override
protected void masterOperation(
final IndicesAliasesRequest request,
final ClusterState state,
final ActionListener<IndicesAliasesResponse> listener) {
// Expand the indices names
List<AliasActions> actions = request.aliasActions();
List<AliasAction> finalActions = new ArrayList<>();
// Resolve all the AliasActions into AliasAction instances and gather all the aliases
Set<String> aliases = new HashSet<>();
for (AliasActions action : actions) {
String[] concreteIndices =
indexNameExpressionResolver.concreteIndexNames(
state, request.indicesOptions(), action.indices());
Collections.addAll(aliases, action.aliases());
for (String index : concreteIndices) {
switch (action.actionType()) {
case ADD:
for (String alias : action.concreteAliases(state.metaData(), index)) {
finalActions.add(
new AliasAction.Add(
index,
alias,
action.filter(),
action.indexRouting(),
action.searchRouting()));
}
break;
case REMOVE:
for (String alias : action.concreteAliases(state.metaData(), index)) {
finalActions.add(new AliasAction.Remove(index, alias));
}
break;
case REMOVE_INDEX:
finalActions.add(new AliasAction.RemoveIndex(index));
break;
default:
throw new IllegalArgumentException("Unsupported action [" + action.actionType() + "]");
}
}
}
if (finalActions.isEmpty() && false == actions.isEmpty()) {
throw new AliasesNotFoundException(aliases.toArray(new String[aliases.size()]));
}
request.aliasActions().clear();
IndicesAliasesClusterStateUpdateRequest updateRequest =
new IndicesAliasesClusterStateUpdateRequest(unmodifiableList(finalActions))
.ackTimeout(request.timeout())
.masterNodeTimeout(request.masterNodeTimeout());
indexAliasesService.indicesAliases(
updateRequest,
new ActionListener<ClusterStateUpdateResponse>() {
@Override
public void onResponse(ClusterStateUpdateResponse response) {
listener.onResponse(new IndicesAliasesResponse(response.isAcknowledged()));
}
@Override
public void onFailure(Exception t) {
logger.debug("failed to perform aliases", t);
listener.onFailure(t);
}
});
}
