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YARN-4578. Directories that are mounted in docker containers need to be more restrictive/container-specific. Contributed by Sidharta Seethana.

This commit is contained in:
Varun Vasudev 2016-01-22 14:43:14 +05:30
parent ae9c61ff0a
commit b41a7e89d1
7 changed files with 64 additions and 4 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -140,6 +140,9 @@ Release 2.9.0 - UNRELEASED
YARN-4584. RM startup failure when AM attempts greater than max-attempts.
(Bibin A Chundatt via rohithsharmaks)
YARN-4578. Directories that are mounted in docker containers need to be more
restrictive/container-specific. (Sidharta Seethana via vvasudev)
Release 2.8.0 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java
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@ -291,6 +291,8 @@ public int launchContainer(ContainerStartContext ctx) throws IOException {
Path containerWorkDir = ctx.getContainerWorkDir();
List<String> localDirs = ctx.getLocalDirs();
List<String> logDirs = ctx.getLogDirs();
List<String> containerLocalDirs = ctx.getContainerLocalDirs();
List<String> containerLogDirs = ctx.getContainerLogDirs();
Map<Path, List<String>> localizedResources = ctx.getLocalizedResources();
verifyUsernamePattern(user);
@ -375,6 +377,8 @@ public int launchContainer(ContainerStartContext ctx) throws IOException {
.setExecutionAttribute(PID_FILE_PATH, pidFilePath)
.setExecutionAttribute(LOCAL_DIRS, localDirs)
.setExecutionAttribute(LOG_DIRS, logDirs)
.setExecutionAttribute(CONTAINER_LOCAL_DIRS, containerLocalDirs)
.setExecutionAttribute(CONTAINER_LOG_DIRS, containerLogDirs)
.setExecutionAttribute(RESOURCES_OPTIONS, resourcesOptions);
if (tcCommandFile != null) {

11
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/ContainerLaunch.java
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@ -253,6 +253,7 @@ public Integer call() {
+ dirsHandler.getDisksHealthReport(false));
}
List<String> containerLocalDirs = new ArrayList<>(localDirs.size());
try {
// /////////// Write out the container-script in the nmPrivate space.
List<Path> appDirs = new ArrayList<Path>(localDirs.size());
@ -261,6 +262,14 @@ public Integer call() {
Path userdir = new Path(usersdir, user);
Path appsdir = new Path(userdir, ContainerLocalizer.APPCACHE);
appDirs.add(new Path(appsdir, appIdStr));
String containerLocalDir = localDir + Path.SEPARATOR +
ContainerLocalizer.USERCACHE + Path.SEPARATOR + user
+ Path.SEPARATOR
+ ContainerLocalizer.APPCACHE + Path.SEPARATOR + appIdStr
+ Path.SEPARATOR;
containerLocalDirs.add(containerLocalDir);
}
containerScriptOutStream =
lfs.create(nmPrivateContainerScriptPath,
@ -317,6 +326,8 @@ public Integer call() {
.setContainerWorkDir(containerWorkDir)
.setLocalDirs(localDirs)
.setLogDirs(logDirs)
.setContainerLocalDirs(containerLocalDirs)
.setContainerLogDirs(containerLogDirs)
.build());
}
} catch (Throwable e) {

10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java
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@ -223,6 +223,12 @@ public void launchContainer(ContainerRuntimeContext ctx)
List<String> localDirs = ctx.getExecutionAttribute(LOCAL_DIRS);
@SuppressWarnings("unchecked")
List<String> logDirs = ctx.getExecutionAttribute(LOG_DIRS);
@SuppressWarnings("unchecked")
List<String> containerLocalDirs = ctx.getExecutionAttribute(
CONTAINER_LOCAL_DIRS);
@SuppressWarnings("unchecked")
List<String> containerLogDirs = ctx.getExecutionAttribute(
CONTAINER_LOG_DIRS);
Set<String> capabilities = new HashSet<>(Arrays.asList(conf.getStrings(
YarnConfiguration.NM_DOCKER_CONTAINER_CAPABILITIES,
YarnConfiguration.DEFAULT_NM_DOCKER_CONTAINER_CAPABILITIES)));
@ -235,10 +241,10 @@ public void launchContainer(ContainerRuntimeContext ctx)
.setNetworkType("host")
.setCapabilities(capabilities)
.addMountLocation("/etc/passwd", "/etc/password:ro");
List<String> allDirs = new ArrayList<>(localDirs);
List<String> allDirs = new ArrayList<>(containerLocalDirs);
allDirs.add(containerWorkDir.toString());
allDirs.addAll(logDirs);
allDirs.addAll(containerLogDirs);
for (String dir: allDirs) {
runCommand.addMountLocation(dir, dir);
}

4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntimeConstants.java
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@ -55,6 +55,10 @@ private LinuxContainerRuntimeConstants() {
List.class, "local_dirs");
public static final Attribute<List> LOG_DIRS = Attribute.attribute(
List.class, "log_dirs");
public static final Attribute<List> CONTAINER_LOCAL_DIRS = Attribute
.attribute(List.class, "container_local_dirs");
public static final Attribute<List> CONTAINER_LOG_DIRS = Attribute.attribute(
List.class, "container_log_dirs");
public static final Attribute<String> RESOURCES_OPTIONS = Attribute.attribute(
String.class, "resources_options");
public static final Attribute<String> TC_COMMAND_FILE = Attribute.attribute(

24
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/executor/ContainerStartContext.java
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@ -45,6 +45,8 @@ public final class ContainerStartContext {
private final Path containerWorkDir;
private final List<String> localDirs;
private final List<String> logDirs;
private final List<String> containerLocalDirs;
private final List<String> containerLogDirs;
public static final class Builder {
private Container container;
@ -56,6 +58,8 @@ public static final class Builder {
private Path containerWorkDir;
private List<String> localDirs;
private List<String> logDirs;
private List<String> containerLocalDirs;
private List<String> containerLogDirs;
public Builder() {
}
@ -107,6 +111,16 @@ public Builder setLogDirs(List<String> logDirs) {
return this;
}
public Builder setContainerLocalDirs(List<String> containerLocalDirs) {
this.containerLocalDirs = containerLocalDirs;
return this;
}
public Builder setContainerLogDirs(List<String> containerLogDirs) {
this.containerLogDirs = containerLogDirs;
return this;
}
public ContainerStartContext build() {
return new ContainerStartContext(this);
}
@ -122,6 +136,8 @@ private ContainerStartContext(Builder builder) {
this.containerWorkDir = builder.containerWorkDir;
this.localDirs = builder.localDirs;
this.logDirs = builder.logDirs;
this.containerLocalDirs = builder.containerLocalDirs;
this.containerLogDirs = builder.containerLogDirs;
}
public Container getContainer() {
@ -163,4 +179,12 @@ public List<String> getLocalDirs() {
public List<String> getLogDirs() {
return Collections.unmodifiableList(this.logDirs);
}
public List<String> getContainerLocalDirs() {
return this.containerLocalDirs;
}
public List<String> getContainerLogDirs() {
return this.containerLogDirs;
}
}

12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/TestDockerContainerRuntime.java
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@ -81,6 +81,8 @@ public class TestDockerContainerRuntime {
Path pidFilePath;
List<String> localDirs;
List<String> logDirs;
List<String> containerLocalDirs;
List<String> containerLogDirs;
String resourcesOptions;
ContainerRuntimeContext.Builder builder;
String submittingUser = "anakin";
@ -123,9 +125,13 @@ public void setup() {
localDirs = new ArrayList<>();
logDirs = new ArrayList<>();
resourcesOptions = "cgroups=none";
containerLocalDirs = new ArrayList<>();
containerLogDirs = new ArrayList<>();
localDirs.add("/test_local_dir");
logDirs.add("/test_log_dir");
containerLocalDirs.add("/test_container_local_dir");
containerLogDirs.add("/test_container_log_dir");
builder = new ContainerRuntimeContext
.Builder(container);
@ -141,6 +147,8 @@ public void setup() {
.setExecutionAttribute(PID_FILE_PATH, pidFilePath)
.setExecutionAttribute(LOCAL_DIRS, localDirs)
.setExecutionAttribute(LOG_DIRS, logDirs)
.setExecutionAttribute(CONTAINER_LOCAL_DIRS, containerLocalDirs)
.setExecutionAttribute(CONTAINER_LOG_DIRS, containerLogDirs)
.setExecutionAttribute(RESOURCES_OPTIONS, resourcesOptions);
}
@ -245,8 +253,8 @@ public void testDockerContainerLaunch()
.append("bash %8$s/launch_container.sh");
String expectedCommand = String.format(expectedCommandTemplate.toString(),
containerId, runAsUser, containerWorkDir, localDirs.get(0),
containerWorkDir, logDirs.get(0), image, containerWorkDir);
containerId, runAsUser, containerWorkDir, containerLocalDirs.get(0),
containerWorkDir, containerLogDirs.get(0), image, containerWorkDir);
List<String> dockerCommands = Files.readAllLines(Paths.get
(dockerCommandFile), Charset.forName("UTF-8"));