YARN-5088. Improve "yarn log" command-line to read the last K bytes for the log files. Contributed by Xuan Gong
This commit is contained in:
parent
35356de1ba
commit
0bc05e40fa
@ -88,6 +88,7 @@ public class LogsCLI extends Configured implements Tool {
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private static final String SHOW_META_INFO = "show_meta_info";
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private static final String LIST_NODES_OPTION = "list_nodes";
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private static final String OUT_OPTION = "out";
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private static final String SIZE_OPTION = "size";
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public static final String HELP_CMD = "help";
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@Override
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@ -113,6 +114,7 @@ public int run(String[] args) throws Exception {
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String[] logFiles = null;
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List<String> amContainersList = new ArrayList<String>();
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String localDir = null;
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long bytes = Long.MAX_VALUE;
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try {
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CommandLine commandLine = parser.parse(opts, args, true);
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appIdStr = commandLine.getOptionValue(APPLICATION_ID_OPTION);
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@ -134,6 +136,9 @@ public int run(String[] args) throws Exception {
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if (commandLine.hasOption(CONTAINER_LOG_FILES)) {
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logFiles = commandLine.getOptionValues(CONTAINER_LOG_FILES);
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}
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if (commandLine.hasOption(SIZE_OPTION)) {
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bytes = Long.parseLong(commandLine.getOptionValue(SIZE_OPTION));
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}
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} catch (ParseException e) {
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System.err.println("options parsing failed: " + e.getMessage());
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printHelpMessage(printOpts);
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@ -195,7 +200,7 @@ public int run(String[] args) throws Exception {
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ContainerLogsRequest request = new ContainerLogsRequest(appId,
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isApplicationFinished(appState), appOwner, nodeAddress, null,
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containerIdStr, localDir, logs);
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containerIdStr, localDir, logs, bytes);
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if (showMetaInfo) {
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return showMetaInfo(request, logCliHelper);
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@ -402,6 +407,7 @@ public void printContainerLogsFromRunningApplication(Configuration conf,
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ClientResponse response =
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webResource.path("ws").path("v1").path("node")
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.path("containerlogs").path(containerIdStr).path(logFile)
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.queryParam("size", Long.toString(request.getBytes()))
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.accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
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out.println(response.getEntity(String.class));
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out.println("End of LogType:" + logFile);
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@ -442,7 +448,9 @@ private int printContainerLogsForFinishedApplicationWithoutNodeId(
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newOptions);
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}
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private ContainerReport getContainerReport(String containerIdStr)
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@Private
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@VisibleForTesting
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public ContainerReport getContainerReport(String containerIdStr)
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throws YarnException, IOException {
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YarnClient yarnClient = createYarnClient();
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try {
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@ -636,12 +644,16 @@ private Options createCommandOpts() {
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opts.addOption(OUT_OPTION, true, "Local directory for storing individual "
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+ "container logs. The container logs will be stored based on the "
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+ "node the container ran on.");
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opts.addOption(SIZE_OPTION, true, "Prints the log file's first 'n' bytes "
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+ "or the last 'n' bytes. Use negative values as bytes to read from "
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+ "the end and positive values as bytes to read from the beginning.");
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opts.getOption(APPLICATION_ID_OPTION).setArgName("Application ID");
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opts.getOption(CONTAINER_ID_OPTION).setArgName("Container ID");
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opts.getOption(NODE_ADDRESS_OPTION).setArgName("Node Address");
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opts.getOption(APP_OWNER_OPTION).setArgName("Application Owner");
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opts.getOption(AM_CONTAINER_OPTION).setArgName("AM Containers");
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opts.getOption(OUT_OPTION).setArgName("Local Directory");
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opts.getOption(SIZE_OPTION).setArgName("size");
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return opts;
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}
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@ -656,6 +668,7 @@ private Options createPrintOpts(Options commandOpts) {
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printOpts.addOption(commandOpts.getOption(SHOW_META_INFO));
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printOpts.addOption(commandOpts.getOption(LIST_NODES_OPTION));
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printOpts.addOption(commandOpts.getOption(OUT_OPTION));
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printOpts.addOption(commandOpts.getOption(SIZE_OPTION));
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return printOpts;
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}
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@ -203,6 +203,11 @@ public void testHelpMessage() throws Exception {
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pw.println(" for all the containers on the specific");
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pw.println(" NodeManager. Currently, this option can");
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pw.println(" only be used for finished applications.");
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pw.println(" -size <size> Prints the log file's first 'n' bytes or");
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pw.println(" the last 'n' bytes. Use negative values");
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pw.println(" as bytes to read from the end and");
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pw.println(" positive values as bytes to read from the");
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pw.println(" beginning.");
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pw.close();
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String appReportStr = baos.toString("UTF-8");
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Assert.assertEquals(appReportStr, sysOutStream.toString());
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@ -227,7 +232,7 @@ public void testFetchApplictionLogs() throws Exception {
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ContainerId containerId1 = ContainerId.newContainerId(appAttemptId, 1);
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ContainerId containerId2 = ContainerId.newContainerId(appAttemptId, 2);
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ContainerId containerId3 = ContainerId.newContainerId(appAttemptId, 3);
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NodeId nodeId = NodeId.newInstance("localhost", 1234);
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final NodeId nodeId = NodeId.newInstance("localhost", 1234);
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// create local logs
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String rootLogDir = "target/LocalLogs";
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@ -281,7 +286,16 @@ public void testFetchApplictionLogs() throws Exception {
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YarnClient mockYarnClient =
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createMockYarnClient(
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YarnApplicationState.FINISHED, ugi.getShortUserName());
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LogsCLI cli = new LogsCLIForTest(mockYarnClient);
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LogsCLI cli = new LogsCLIForTest(mockYarnClient) {
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@Override
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public ContainerReport getContainerReport(String containerIdStr)
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throws YarnException, IOException {
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ContainerReport mockReport = mock(ContainerReport.class);
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doReturn(nodeId).when(mockReport).getAssignedNode();
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doReturn("http://localhost:2345").when(mockReport).getNodeHttpAddress();
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return mockReport;
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}
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};
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cli.setConf(configuration);
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int exitCode = cli.run(new String[] { "-applicationId", appId.toString() });
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@ -307,6 +321,7 @@ public void testFetchApplictionLogs() throws Exception {
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"Hello container_0_0001_01_000003 in syslog!"));
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assertTrue(sysOutStream.toString().contains(
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"Hello container_0_0001_01_000003 in stdout!"));
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int fullSize = sysOutStream.toByteArray().length;
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sysOutStream.reset();
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exitCode = cli.run(new String[] {"-applicationId", appId.toString(),
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@ -329,6 +344,14 @@ public void testFetchApplictionLogs() throws Exception {
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"Can not find any log file matching the pattern: [123]"));
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sysErrStream.reset();
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// specify the bytes which is larger than the actual file size,
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// we would get the full logs
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exitCode = cli.run(new String[] {"-applicationId", appId.toString(),
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"-logFiles", ".*", "-size", "10000" });
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assertTrue(exitCode == 0);
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assertTrue(sysOutStream.toByteArray().length == fullSize);
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sysOutStream.reset();
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// uploaded two logs for container1. The first log is empty.
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// The second one is not empty.
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// We can still successfully read logs for container1.
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@ -345,6 +368,49 @@ public void testFetchApplictionLogs() throws Exception {
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+ " are not present in this log-file."));
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sysOutStream.reset();
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exitCode = cli.run(new String[] {"-applicationId", appId.toString(),
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"-containerId", containerId3.toString(), "-logFiles", "stdout" });
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assertTrue(exitCode == 0);
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int fullContextSize = sysOutStream.toByteArray().length;
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String fullContext = sysOutStream.toString();
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sysOutStream.reset();
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String logMessage = "Hello container_0_0001_01_000003 in stdout!";
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int fileContentSize = logMessage.getBytes().length;
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int tailContentSize = "End of LogType:syslog\n\n".getBytes().length;
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// specify how many bytes we should get from logs
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// specify a position number, it would get the first n bytes from
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// container log
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exitCode = cli.run(new String[] {"-applicationId", appId.toString(),
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"-containerId", containerId3.toString(), "-logFiles", "stdout",
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"-size", "5"});
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assertTrue(exitCode == 0);
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Assert.assertEquals(new String(logMessage.getBytes(), 0, 5),
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new String(sysOutStream.toByteArray(),
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(fullContextSize - fileContentSize - tailContentSize), 5));
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sysOutStream.reset();
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// specify a negative number, it would get the last n bytes from
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// container log
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exitCode = cli.run(new String[] {"-applicationId", appId.toString(),
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"-containerId", containerId3.toString(), "-logFiles", "stdout",
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"-size", "-5"});
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assertTrue(exitCode == 0);
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Assert.assertEquals(new String(logMessage.getBytes(),
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logMessage.getBytes().length - 5, 5),
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new String(sysOutStream.toByteArray(),
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(fullContextSize - fileContentSize - tailContentSize), 5));
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sysOutStream.reset();
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long negative = (fullContextSize + 1000) * (-1);
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exitCode = cli.run(new String[] {"-applicationId", appId.toString(),
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"-containerId", containerId3.toString(), "-logFiles", "stdout",
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"-size", Long.toString(negative)});
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assertTrue(exitCode == 0);
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Assert.assertEquals(fullContext, sysOutStream.toString());
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sysOutStream.reset();
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// Uploaded the empty log for container0.
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// We should see the message showing the log for container0
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// are not present.
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@ -733,7 +733,7 @@ public static void readAcontainerLogs(DataInputStream valueStream,
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ps = new PrintStream(os);
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while (true) {
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try {
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readContainerLogs(valueStream, ps, logUploadedTime);
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readContainerLogs(valueStream, ps, logUploadedTime, Long.MAX_VALUE);
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} catch (EOFException e) {
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// EndOfFile
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return;
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@ -757,7 +757,8 @@ public static void readAcontainerLogs(DataInputStream valueStream,
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}
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private static void readContainerLogs(DataInputStream valueStream,
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PrintStream out, long logUploadedTime) throws IOException {
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PrintStream out, long logUploadedTime, long bytes)
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throws IOException {
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byte[] buf = new byte[65535];
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String fileType = valueStream.readUTF();
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@ -773,16 +774,35 @@ private static void readContainerLogs(DataInputStream valueStream,
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out.println(fileLengthStr);
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out.println("Log Contents:");
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long toSkip = 0;
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long totalBytesToRead = fileLength;
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if (bytes < 0) {
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long absBytes = Math.abs(bytes);
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if (absBytes < fileLength) {
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toSkip = fileLength - absBytes;
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totalBytesToRead = absBytes;
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}
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long skippedBytes = valueStream.skip(toSkip);
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if (skippedBytes != toSkip) {
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throw new IOException("The bytes were skipped are "
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+ "different from the caller requested");
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}
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} else {
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if (bytes < fileLength) {
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totalBytesToRead = bytes;
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}
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}
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long curRead = 0;
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long pendingRead = fileLength - curRead;
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long pendingRead = totalBytesToRead - curRead;
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int toRead =
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pendingRead > buf.length ? buf.length : (int) pendingRead;
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int len = valueStream.read(buf, 0, toRead);
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while (len != -1 && curRead < fileLength) {
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while (len != -1 && curRead < totalBytesToRead) {
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out.write(buf, 0, len);
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curRead += len;
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pendingRead = fileLength - curRead;
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pendingRead = totalBytesToRead - curRead;
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toRead =
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pendingRead > buf.length ? buf.length : (int) pendingRead;
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len = valueStream.read(buf, 0, toRead);
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@ -803,7 +823,23 @@ private static void readContainerLogs(DataInputStream valueStream,
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public static void readAContainerLogsForALogType(
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DataInputStream valueStream, PrintStream out, long logUploadedTime)
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throws IOException {
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readContainerLogs(valueStream, out, logUploadedTime);
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readContainerLogs(valueStream, out, logUploadedTime, Long.MAX_VALUE);
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}
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/**
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* Keep calling this till you get a {@link EOFException} for getting logs of
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* all types for a single container for the specific bytes.
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*
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* @param valueStream
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* @param out
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* @param logUploadedTime
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* @param bytes
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* @throws IOException
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*/
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public static void readAContainerLogsForALogType(
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DataInputStream valueStream, PrintStream out, long logUploadedTime,
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long bytes) throws IOException {
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readContainerLogs(valueStream, out, logUploadedTime, bytes);
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}
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/**
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@ -832,6 +868,22 @@ public static void readAContainerLogsForALogType(
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public static int readContainerLogsForALogType(
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DataInputStream valueStream, PrintStream out, long logUploadedTime,
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List<String> logType) throws IOException {
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return readContainerLogsForALogType(valueStream, out, logUploadedTime,
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logType, Long.MAX_VALUE);
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}
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/**
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* Keep calling this till you get a {@link EOFException} for getting logs of
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* the specific types for a single container.
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* @param valueStream
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* @param out
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* @param logUploadedTime
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* @param logType
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* @throws IOException
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*/
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public static int readContainerLogsForALogType(
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DataInputStream valueStream, PrintStream out, long logUploadedTime,
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List<String> logType, long bytes) throws IOException {
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byte[] buf = new byte[65535];
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String fileType = valueStream.readUTF();
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@ -848,15 +900,34 @@ public static int readContainerLogsForALogType(
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out.println(fileLengthStr);
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out.println("Log Contents:");
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long toSkip = 0;
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long totalBytesToRead = fileLength;
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if (bytes < 0) {
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long absBytes = Math.abs(bytes);
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if (absBytes < fileLength) {
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toSkip = fileLength - absBytes;
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totalBytesToRead = absBytes;
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}
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long skippedBytes = valueStream.skip(toSkip);
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if (skippedBytes != toSkip) {
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throw new IOException("The bytes were skipped are "
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+ "different from the caller requested");
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}
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} else {
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if (bytes < fileLength) {
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totalBytesToRead = bytes;
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}
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}
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long curRead = 0;
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long pendingRead = fileLength - curRead;
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long pendingRead = totalBytesToRead - curRead;
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int toRead = pendingRead > buf.length ? buf.length : (int) pendingRead;
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int len = valueStream.read(buf, 0, toRead);
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while (len != -1 && curRead < fileLength) {
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while (len != -1 && curRead < totalBytesToRead) {
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out.write(buf, 0, len);
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curRead += len;
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pendingRead = fileLength - curRead;
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pendingRead = totalBytesToRead - curRead;
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toRead = pendingRead > buf.length ? buf.length : (int) pendingRead;
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len = valueStream.read(buf, 0, toRead);
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}
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@ -30,6 +30,7 @@ public class ContainerLogsRequest {
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private boolean appFinished;
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private String outputLocalDir;
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private List<String> logTypes;
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private long bytes;
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public ContainerLogsRequest() {}
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@ -42,12 +43,13 @@ public ContainerLogsRequest(ContainerLogsRequest request) {
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this.setContainerId(request.getContainerId());
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this.setOutputLocalDir(request.getOutputLocalDir());
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this.setLogTypes(request.getLogTypes());
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this.setBytes(request.getBytes());
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}
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public ContainerLogsRequest(ApplicationId applicationId,
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boolean isAppFinished, String owner,
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String address, String httpAddress, String container, String localDir,
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List<String> logs) {
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List<String> logs, long bytes) {
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this.setAppId(applicationId);
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this.setAppFinished(isAppFinished);
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this.setAppOwner(owner);
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@ -56,6 +58,7 @@ public ContainerLogsRequest(ApplicationId applicationId,
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this.setContainerId(container);
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this.setOutputLocalDir(localDir);
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this.setLogTypes(logs);
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this.setBytes(bytes);
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}
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public ApplicationId getAppId() {
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@ -121,4 +124,12 @@ public List<String> getLogTypes() {
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public void setLogTypes(List<String> logTypes) {
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this.logTypes = logTypes;
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}
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public long getBytes() {
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return bytes;
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}
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public void setBytes(long bytes) {
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this.bytes = bytes;
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}
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}
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@ -65,6 +65,7 @@ public int dumpAContainersLogs(String appId, String containerId,
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options.setAppOwner(jobOwner);
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List<String> logs = new ArrayList<String>();
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options.setLogTypes(logs);
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options.setBytes(Long.MAX_VALUE);
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return dumpAContainersLogsForALogType(options, false);
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}
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@ -160,12 +161,13 @@ public int dumpAContainersLogsForALogType(ContainerLogsRequest options,
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thisNodeFile.getPath());
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if (logType == null || logType.isEmpty()) {
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if (dumpAContainerLogs(containerId, reader, out,
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thisNodeFile.getModificationTime()) > -1) {
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thisNodeFile.getModificationTime(), options.getBytes()) > -1) {
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foundContainerLogs = true;
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}
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} else {
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if (dumpAContainerLogsForALogType(containerId, reader, out,
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thisNodeFile.getModificationTime(), logType) > -1) {
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thisNodeFile.getModificationTime(), logType,
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options.getBytes()) > -1) {
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foundContainerLogs = true;
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}
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}
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@ -222,12 +224,13 @@ public int dumpAContainersLogsForALogTypeWithoutNodeId(
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out.println(StringUtils.repeat("=", containerId.length()));
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if (logType == null || logType.isEmpty()) {
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if (dumpAContainerLogs(containerId, reader, out,
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thisNodeFile.getModificationTime()) > -1) {
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thisNodeFile.getModificationTime(), options.getBytes()) > -1) {
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foundContainerLogs = true;
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}
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} else {
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if (dumpAContainerLogsForALogType(containerId, reader, out,
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thisNodeFile.getModificationTime(), logType) > -1) {
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thisNodeFile.getModificationTime(), logType,
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options.getBytes()) > -1) {
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foundContainerLogs = true;
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}
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}
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@ -249,7 +252,7 @@ public int dumpAContainersLogsForALogTypeWithoutNodeId(
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@Private
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public int dumpAContainerLogs(String containerIdStr,
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AggregatedLogFormat.LogReader reader, PrintStream out,
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long logUploadedTime) throws IOException {
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long logUploadedTime, long bytes) throws IOException {
|
||||
DataInputStream valueStream = getContainerLogsStream(
|
||||
containerIdStr, reader);
|
||||
|
||||
@ -261,7 +264,7 @@ public int dumpAContainerLogs(String containerIdStr,
|
||||
while (true) {
|
||||
try {
|
||||
LogReader.readAContainerLogsForALogType(valueStream, out,
|
||||
logUploadedTime);
|
||||
logUploadedTime, bytes);
|
||||
foundContainerLogs = true;
|
||||
} catch (EOFException eof) {
|
||||
break;
|
||||
@ -290,7 +293,8 @@ private DataInputStream getContainerLogsStream(String containerIdStr,
|
||||
@Private
|
||||
public int dumpAContainerLogsForALogType(String containerIdStr,
|
||||
AggregatedLogFormat.LogReader reader, PrintStream out,
|
||||
long logUploadedTime, List<String> logType) throws IOException {
|
||||
long logUploadedTime, List<String> logType, long bytes)
|
||||
throws IOException {
|
||||
DataInputStream valueStream = getContainerLogsStream(
|
||||
containerIdStr, reader);
|
||||
if (valueStream == null) {
|
||||
@ -301,7 +305,7 @@ public int dumpAContainerLogsForALogType(String containerIdStr,
|
||||
while (true) {
|
||||
try {
|
||||
int result = LogReader.readContainerLogsForALogType(
|
||||
valueStream, out, logUploadedTime, logType);
|
||||
valueStream, out, logUploadedTime, logType, bytes);
|
||||
if (result == 0) {
|
||||
foundContainerLogs = true;
|
||||
}
|
||||
@ -361,12 +365,13 @@ public int dumpAllContainersLogs(ContainerLogsRequest options)
|
||||
try {
|
||||
if (logTypes == null || logTypes.isEmpty()) {
|
||||
LogReader.readAContainerLogsForALogType(valueStream, out,
|
||||
thisNodeFile.getModificationTime());
|
||||
thisNodeFile.getModificationTime(),
|
||||
options.getBytes());
|
||||
foundAnyLogs = true;
|
||||
} else {
|
||||
int result = LogReader.readContainerLogsForALogType(
|
||||
valueStream, out, thisNodeFile.getModificationTime(),
|
||||
logTypes);
|
||||
logTypes, options.getBytes());
|
||||
if (result == 0) {
|
||||
foundAnyLogs = true;
|
||||
}
|
||||
|
@ -213,7 +213,8 @@ public Response getLogs(@Context HttpServletRequest req,
|
||||
@Context HttpServletResponse res,
|
||||
@PathParam("containerid") String containerIdStr,
|
||||
@PathParam("filename") String filename,
|
||||
@QueryParam("download") String download) {
|
||||
@QueryParam("download") String download,
|
||||
@QueryParam("size") String size) {
|
||||
init(res);
|
||||
ContainerId containerId;
|
||||
try {
|
||||
@ -225,6 +226,9 @@ public Response getLogs(@Context HttpServletRequest req,
|
||||
|
||||
boolean downloadFile = parseBooleanParam(download);
|
||||
|
||||
|
||||
final long length = parseLongParam(size);
|
||||
|
||||
ApplicationId appId = containerId.getApplicationAttemptId()
|
||||
.getApplicationId();
|
||||
AppInfo appInfo;
|
||||
@ -233,7 +237,7 @@ public Response getLogs(@Context HttpServletRequest req,
|
||||
} catch (Exception ex) {
|
||||
// directly find logs from HDFS.
|
||||
return sendStreamOutputResponse(appId, null, null, containerIdStr,
|
||||
filename, downloadFile);
|
||||
filename, downloadFile, length);
|
||||
}
|
||||
String appOwner = appInfo.getUser();
|
||||
|
||||
@ -247,7 +251,7 @@ public Response getLogs(@Context HttpServletRequest req,
|
||||
if (isFinishedState(appInfo.getAppState())) {
|
||||
// directly find logs from HDFS.
|
||||
return sendStreamOutputResponse(appId, appOwner, null, containerIdStr,
|
||||
filename, downloadFile);
|
||||
filename, downloadFile, length);
|
||||
}
|
||||
return createBadResponse(Status.INTERNAL_SERVER_ERROR,
|
||||
"Can not get ContainerInfo for the container: " + containerId);
|
||||
@ -267,7 +271,7 @@ public Response getLogs(@Context HttpServletRequest req,
|
||||
return response.build();
|
||||
} else if (isFinishedState(appInfo.getAppState())) {
|
||||
return sendStreamOutputResponse(appId, appOwner, nodeId,
|
||||
containerIdStr, filename, downloadFile);
|
||||
containerIdStr, filename, downloadFile, length);
|
||||
} else {
|
||||
return createBadResponse(Status.NOT_FOUND,
|
||||
"The application is not at Running or Finished State.");
|
||||
@ -296,11 +300,11 @@ private boolean parseBooleanParam(String param) {
|
||||
|
||||
private Response sendStreamOutputResponse(ApplicationId appId,
|
||||
String appOwner, String nodeId, String containerIdStr,
|
||||
String fileName, boolean downloadFile) {
|
||||
String fileName, boolean downloadFile, long bytes) {
|
||||
StreamingOutput stream = null;
|
||||
try {
|
||||
stream = getStreamingOutput(appId, appOwner, nodeId,
|
||||
containerIdStr, fileName);
|
||||
containerIdStr, fileName, bytes);
|
||||
} catch (Exception ex) {
|
||||
return createBadResponse(Status.INTERNAL_SERVER_ERROR,
|
||||
ex.getMessage());
|
||||
@ -318,7 +322,7 @@ private Response sendStreamOutputResponse(ApplicationId appId,
|
||||
|
||||
private StreamingOutput getStreamingOutput(ApplicationId appId,
|
||||
String appOwner, final String nodeId, final String containerIdStr,
|
||||
final String logFile) throws IOException{
|
||||
final String logFile, final long bytes) throws IOException{
|
||||
String suffix = LogAggregationUtils.getRemoteNodeLogDirSuffix(conf);
|
||||
org.apache.hadoop.fs.Path remoteRootLogDir = new org.apache.hadoop.fs.Path(
|
||||
conf.get(YarnConfiguration.NM_REMOTE_APP_LOG_DIR,
|
||||
@ -391,16 +395,35 @@ public void write(OutputStream os) throws IOException,
|
||||
byte[] b = sb.toString().getBytes(Charset.forName("UTF-8"));
|
||||
os.write(b, 0, b.length);
|
||||
|
||||
long toSkip = 0;
|
||||
long totalBytesToRead = fileLength;
|
||||
if (bytes < 0) {
|
||||
long absBytes = Math.abs(bytes);
|
||||
if (absBytes < fileLength) {
|
||||
toSkip = fileLength - absBytes;
|
||||
totalBytesToRead = absBytes;
|
||||
}
|
||||
long skippedBytes = valueStream.skip(toSkip);
|
||||
if (skippedBytes != toSkip) {
|
||||
throw new IOException("The bytes were skipped are "
|
||||
+ "different from the caller requested");
|
||||
}
|
||||
} else {
|
||||
if (bytes < fileLength) {
|
||||
totalBytesToRead = bytes;
|
||||
}
|
||||
}
|
||||
|
||||
long curRead = 0;
|
||||
long pendingRead = fileLength - curRead;
|
||||
long pendingRead = totalBytesToRead - curRead;
|
||||
int toRead = pendingRead > buf.length ? buf.length
|
||||
: (int) pendingRead;
|
||||
int len = valueStream.read(buf, 0, toRead);
|
||||
while (len != -1 && curRead < fileLength) {
|
||||
while (len != -1 && curRead < totalBytesToRead) {
|
||||
os.write(buf, 0, len);
|
||||
curRead += len;
|
||||
|
||||
pendingRead = fileLength - curRead;
|
||||
pendingRead = totalBytesToRead - curRead;
|
||||
toRead = pendingRead > buf.length ? buf.length
|
||||
: (int) pendingRead;
|
||||
len = valueStream.read(buf, 0, toRead);
|
||||
@ -433,4 +456,11 @@ public void write(OutputStream os) throws IOException,
|
||||
};
|
||||
return stream;
|
||||
}
|
||||
|
||||
private long parseLongParam(String bytes) {
|
||||
if (bytes == null || bytes.isEmpty()) {
|
||||
return Long.MAX_VALUE;
|
||||
}
|
||||
return Long.parseLong(bytes);
|
||||
}
|
||||
}
|
@ -601,6 +601,72 @@ public void testContainerLogsForFinishedApps() throws Exception {
|
||||
.get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertTrue(responseText.contains("Hello." + containerId1ForApp100));
|
||||
int fullTextSize = responseText.getBytes().length;
|
||||
int tailTextSize = "\nEnd of LogType:syslog\n".getBytes().length;
|
||||
|
||||
String logMessage = "Hello." + containerId1ForApp100;
|
||||
int fileContentSize = logMessage.getBytes().length;
|
||||
// specify how many bytes we should get from logs
|
||||
// if we specify a position number, it would get the first n bytes from
|
||||
// container log
|
||||
r = resource();
|
||||
response = r.path("ws").path("v1")
|
||||
.path("applicationhistory").path("containerlogs")
|
||||
.path(containerId1ForApp100.toString()).path(fileName)
|
||||
.queryParam("user.name", user)
|
||||
.queryParam("size", "5")
|
||||
.accept(MediaType.TEXT_PLAIN)
|
||||
.get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(responseText.getBytes().length,
|
||||
(fullTextSize - fileContentSize) + 5);
|
||||
assertTrue(fullTextSize >= responseText.getBytes().length);
|
||||
assertEquals(new String(responseText.getBytes(),
|
||||
(fullTextSize - fileContentSize - tailTextSize), 5),
|
||||
new String(logMessage.getBytes(), 0, 5));
|
||||
|
||||
// specify how many bytes we should get from logs
|
||||
// if we specify a negative number, it would get the last n bytes from
|
||||
// container log
|
||||
r = resource();
|
||||
response = r.path("ws").path("v1")
|
||||
.path("applicationhistory").path("containerlogs")
|
||||
.path(containerId1ForApp100.toString()).path(fileName)
|
||||
.queryParam("user.name", user)
|
||||
.queryParam("size", "-5")
|
||||
.accept(MediaType.TEXT_PLAIN)
|
||||
.get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(responseText.getBytes().length,
|
||||
(fullTextSize - fileContentSize) + 5);
|
||||
assertTrue(fullTextSize >= responseText.getBytes().length);
|
||||
assertEquals(new String(responseText.getBytes(),
|
||||
(fullTextSize - fileContentSize - tailTextSize), 5),
|
||||
new String(logMessage.getBytes(), fileContentSize - 5, 5));
|
||||
|
||||
// specify the bytes which is larger than the actual file size,
|
||||
// we would get the full logs
|
||||
r = resource();
|
||||
response = r.path("ws").path("v1")
|
||||
.path("applicationhistory").path("containerlogs")
|
||||
.path(containerId1ForApp100.toString()).path(fileName)
|
||||
.queryParam("user.name", user)
|
||||
.queryParam("size", "10000")
|
||||
.accept(MediaType.TEXT_PLAIN)
|
||||
.get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(responseText.getBytes().length, fullTextSize);
|
||||
|
||||
r = resource();
|
||||
response = r.path("ws").path("v1")
|
||||
.path("applicationhistory").path("containerlogs")
|
||||
.path(containerId1ForApp100.toString()).path(fileName)
|
||||
.queryParam("user.name", user)
|
||||
.queryParam("size", "-10000")
|
||||
.accept(MediaType.TEXT_PLAIN)
|
||||
.get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(responseText.getBytes().length, fullTextSize);
|
||||
}
|
||||
|
||||
private static void createContainerLogInLocalDir(Path appLogsDir,
|
||||
|
@ -60,7 +60,6 @@
|
||||
import org.apache.hadoop.yarn.webapp.NotFoundException;
|
||||
import org.apache.hadoop.yarn.webapp.WebApp;
|
||||
import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
|
||||
|
||||
import com.google.inject.Inject;
|
||||
import com.google.inject.Singleton;
|
||||
|
||||
@ -217,7 +216,8 @@ public ContainerInfo getNodeContainer(@javax.ws.rs.core.Context
|
||||
@Unstable
|
||||
public Response getLogs(@PathParam("containerid") String containerIdStr,
|
||||
@PathParam("filename") String filename,
|
||||
@QueryParam("download") String download) {
|
||||
@QueryParam("download") String download,
|
||||
@QueryParam("size") String size) {
|
||||
ContainerId containerId;
|
||||
try {
|
||||
containerId = ConverterUtils.toContainerId(containerIdStr);
|
||||
@ -235,19 +235,51 @@ public Response getLogs(@PathParam("containerid") String containerIdStr,
|
||||
return Response.serverError().entity(ex.getMessage()).build();
|
||||
}
|
||||
boolean downloadFile = parseBooleanParam(download);
|
||||
final long bytes = parseLongParam(size);
|
||||
|
||||
try {
|
||||
final FileInputStream fis = ContainerLogsUtils.openLogFileForRead(
|
||||
containerIdStr, logFile, nmContext);
|
||||
|
||||
final long fileLength = logFile.length();
|
||||
|
||||
StreamingOutput stream = new StreamingOutput() {
|
||||
@Override
|
||||
public void write(OutputStream os) throws IOException,
|
||||
WebApplicationException {
|
||||
int bufferSize = 65536;
|
||||
byte[] buf = new byte[bufferSize];
|
||||
int len;
|
||||
while ((len = fis.read(buf, 0, bufferSize)) > 0) {
|
||||
long toSkip = 0;
|
||||
long totalBytesToRead = fileLength;
|
||||
if (bytes < 0) {
|
||||
long absBytes = Math.abs(bytes);
|
||||
if (absBytes < fileLength) {
|
||||
toSkip = fileLength - absBytes;
|
||||
totalBytesToRead = absBytes;
|
||||
}
|
||||
long skippedBytes = fis.skip(toSkip);
|
||||
if (skippedBytes != toSkip) {
|
||||
throw new IOException("The bytes were skipped are different "
|
||||
+ "from the caller requested");
|
||||
}
|
||||
} else {
|
||||
if (bytes < fileLength) {
|
||||
totalBytesToRead = bytes;
|
||||
}
|
||||
}
|
||||
|
||||
long curRead = 0;
|
||||
long pendingRead = totalBytesToRead - curRead;
|
||||
int toRead = pendingRead > buf.length ? buf.length
|
||||
: (int) pendingRead;
|
||||
int len = fis.read(buf, 0, toRead);
|
||||
while (len != -1 && curRead < totalBytesToRead) {
|
||||
os.write(buf, 0, len);
|
||||
curRead += len;
|
||||
|
||||
pendingRead = totalBytesToRead - curRead;
|
||||
toRead = pendingRead > buf.length ? buf.length
|
||||
: (int) pendingRead;
|
||||
len = fis.read(buf, 0, toRead);
|
||||
}
|
||||
os.flush();
|
||||
}
|
||||
@ -268,4 +300,11 @@ private boolean parseBooleanParam(String param) {
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private long parseLongParam(String bytes) {
|
||||
if (bytes == null || bytes.isEmpty()) {
|
||||
return Long.MAX_VALUE;
|
||||
}
|
||||
return Long.parseLong(bytes);
|
||||
}
|
||||
}
|
||||
|
@ -26,17 +26,14 @@
|
||||
import java.io.IOException;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.StringReader;
|
||||
|
||||
import javax.ws.rs.core.MediaType;
|
||||
import javax.xml.parsers.DocumentBuilder;
|
||||
import javax.xml.parsers.DocumentBuilderFactory;
|
||||
|
||||
import org.junit.Assert;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FileUtil;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.util.NodeHealthScriptRunner;
|
||||
import org.apache.hadoop.util.VersionInfo;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
|
||||
import org.apache.hadoop.yarn.api.records.NodeId;
|
||||
@ -313,7 +310,7 @@ public void testSingleNodesXML() throws JSONException, Exception {
|
||||
assertEquals("incorrect number of elements", 1, nodes.getLength());
|
||||
verifyNodesXML(nodes);
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void testContainerLogs() throws IOException {
|
||||
WebResource r = resource();
|
||||
@ -351,6 +348,49 @@ public void testContainerLogs() throws IOException {
|
||||
.accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
|
||||
String responseText = response.getEntity(String.class);
|
||||
assertEquals(logMessage, responseText);
|
||||
int fullTextSize = responseText.getBytes().length;
|
||||
|
||||
// specify how many bytes we should get from logs
|
||||
// specify a position number, it would get the first n bytes from
|
||||
// container log
|
||||
response = r.path("ws").path("v1").path("node")
|
||||
.path("containerlogs").path(containerIdStr).path(filename)
|
||||
.queryParam("size", "5")
|
||||
.accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(5, responseText.getBytes().length);
|
||||
assertEquals(new String(logMessage.getBytes(), 0, 5), responseText);
|
||||
assertTrue(fullTextSize >= responseText.getBytes().length);
|
||||
|
||||
// specify the bytes which is larger than the actual file size,
|
||||
// we would get the full logs
|
||||
response = r.path("ws").path("v1").path("node")
|
||||
.path("containerlogs").path(containerIdStr).path(filename)
|
||||
.queryParam("size", "10000")
|
||||
.accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(fullTextSize, responseText.getBytes().length);
|
||||
assertEquals(logMessage, responseText);
|
||||
|
||||
// specify a negative number, it would get the last n bytes from
|
||||
// container log
|
||||
response = r.path("ws").path("v1").path("node")
|
||||
.path("containerlogs").path(containerIdStr).path(filename)
|
||||
.queryParam("size", "-5")
|
||||
.accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(5, responseText.getBytes().length);
|
||||
assertEquals(new String(logMessage.getBytes(),
|
||||
logMessage.getBytes().length - 5, 5), responseText);
|
||||
assertTrue(fullTextSize >= responseText.getBytes().length);
|
||||
|
||||
response = r.path("ws").path("v1").path("node")
|
||||
.path("containerlogs").path(containerIdStr).path(filename)
|
||||
.queryParam("size", "-10000")
|
||||
.accept(MediaType.TEXT_PLAIN).get(ClientResponse.class);
|
||||
responseText = response.getEntity(String.class);
|
||||
assertEquals(fullTextSize, responseText.getBytes().length);
|
||||
assertEquals(logMessage, responseText);
|
||||
|
||||
// ask and download it
|
||||
response = r.path("ws").path("v1").path("node").path("containerlogs")
|
||||
|
Loading…
Reference in New Issue
Block a user