/*
* Copyright © 2016 Cask Data, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package co.cask.cdap.cli.command;
import co.cask.cdap.cli.ArgumentName;
import co.cask.cdap.cli.CLIConfig;
import co.cask.cdap.cli.ElementType;
import co.cask.cdap.cli.exception.CommandInputError;
import co.cask.cdap.cli.util.AbstractCommand;
import co.cask.cdap.cli.util.RowMaker;
import co.cask.cdap.cli.util.table.Table;
import co.cask.cdap.client.WorkflowClient;
import co.cask.cdap.common.NotFoundException;
import co.cask.cdap.common.UnauthenticatedException;
import co.cask.cdap.proto.ProgramType;
import co.cask.cdap.proto.WorkflowNodeStateDetail;
import co.cask.cdap.proto.id.ProgramRunId;
import co.cask.common.cli.Arguments;
import com.google.common.collect.Lists;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* Command to get the node states associated with the Workflow run.
*/
public class GetWorkflowStateCommand extends AbstractCommand {
private final ElementType elementType;
private final WorkflowClient workflowClient;
public GetWorkflowStateCommand(WorkflowClient workflowClient, CLIConfig cliConfig) {
super(cliConfig);
this.elementType = ElementType.WORKFLOW;
this.workflowClient = workflowClient;
}
@Override
public void perform(Arguments arguments, PrintStream printStream) throws Exception {
String[] programIdParts = arguments.get(elementType.getArgumentName().toString()).split("\\.");
if (programIdParts.length < 2) {
throw new CommandInputError(this);
}
ProgramRunId programRunId = new ProgramRunId(cliConfig.getCurrentNamespace().getId(), programIdParts[0],
ProgramType.WORKFLOW, programIdParts[1],
arguments.get(ArgumentName.RUN_ID.toString()));
Table table = getWorkflowNodeStates(programRunId);
cliConfig.getTableRenderer().render(cliConfig, printStream, table);
}
@Override
public String getPattern() {
return String.format("get workflow state <%s> <%s>", elementType.getArgumentName(), ArgumentName.RUN_ID);
}
@Override
public String getDescription() {
return "Gets the state of all nodes associated with the workflow for a given run id.";
}
private Table getWorkflowNodeStates(ProgramRunId programRunId)
throws UnauthenticatedException, IOException, NotFoundException {
Map<String, WorkflowNodeStateDetail> workflowNodeStates = workflowClient.getWorkflowNodeStates(programRunId);
List<Map.Entry<String, WorkflowNodeStateDetail>> nodeStates = new ArrayList<>();
nodeStates.addAll(workflowNodeStates.entrySet());
return Table.builder()
.setHeader("node id", "node status", "runid", "failurecause")
.setRows(nodeStates, new RowMaker<Map.Entry<String, WorkflowNodeStateDetail>>() {
@Override
public List<?> makeRow(Map.Entry<String, WorkflowNodeStateDetail> object) {
return Lists.newArrayList(object.getValue().getNodeId(), object.getValue().getNodeStatus(),
object.getValue().getRunId(), object.getValue().getFailureCause());
}
}).build();
}
}