From cb21eaa026d80a2c9836030d959c0dd7f87c4d6b Mon Sep 17 00:00:00 2001 From: Jason Lowe Date: Thu, 16 Aug 2018 10:06:17 -0500 Subject: [PATCH] YARN-8656. container-executor should not write cgroup tasks files for docker containers. Contributed by Jim Brennan --- .../runtime/DockerLinuxContainerRuntime.java | 4 +-- .../impl/container-executor.c | 21 +-------------- .../impl/container-executor.h | 3 +-- .../native/container-executor/impl/main.c | 26 +++---------------- .../runtime/TestDockerContainerRuntime.java | 8 +++--- 5 files changed, 10 insertions(+), 52 deletions(-) diff --git a/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 b/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 index 5d6f61e6123..1872830533f 100644 --- a/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 +++ b/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 @@ -1156,7 +1156,6 @@ public class DockerLinuxContainerRuntime implements LinuxContainerRuntime { List localDirs = ctx.getExecutionAttribute(LOCAL_DIRS); @SuppressWarnings("unchecked") List logDirs = ctx.getExecutionAttribute(LOG_DIRS); - String resourcesOpts = ctx.getExecutionAttribute(RESOURCES_OPTIONS); PrivilegedOperation launchOp = new PrivilegedOperation( PrivilegedOperation.OperationType.LAUNCH_DOCKER_CONTAINER); @@ -1174,8 +1173,7 @@ public class DockerLinuxContainerRuntime implements LinuxContainerRuntime { localDirs), StringUtils.join(PrivilegedOperation.LINUX_FILE_PATH_SEPARATOR, logDirs), - commandFile, - resourcesOpts); + commandFile); String tcCommandFile = ctx.getExecutionAttribute(TC_COMMAND_FILE); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c index 6734b9479e4..f8b89ee2d67 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c @@ -1547,9 +1547,7 @@ int launch_docker_container_as_user(const char * user, const char *app_id, const char *container_id, const char *work_dir, const char *script_name, const char *cred_file, const char *pid_file, char* const* local_dirs, - char* const* log_dirs, const char *command_file, - const char *resources_key, - char* const* resources_values) { + char* const* log_dirs, const char *command_file) { int exit_code = -1; char *script_file_dest = NULL; char *cred_file_dest = NULL; @@ -1732,23 +1730,6 @@ int launch_docker_container_as_user(const char * user, const char *app_id, } if (pid != 0) { -#ifdef __linux - fprintf(LOGFILE, "Writing to cgroup task files...\n"); - // cgroups-based resource enforcement - if (resources_key != NULL && ! strcmp(resources_key, "cgroups")) { - // write pid to cgroups - char* const* cgroup_ptr; - for (cgroup_ptr = resources_values; cgroup_ptr != NULL && - *cgroup_ptr != NULL; ++cgroup_ptr) { - if (strcmp(*cgroup_ptr, "none") != 0 && - write_pid_to_cgroup_as_root(*cgroup_ptr, pid) != 0) { - exit_code = WRITE_CGROUP_FAILED; - goto cleanup; - } - } - } -#endif - // write pid to pidfile fprintf(LOGFILE, "Writing pid file...\n"); if (pid_file == NULL diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.h b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.h index 32e953d89a6..002f85f34d0 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.h +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.h @@ -104,8 +104,7 @@ int launch_docker_container_as_user(const char * user, const char *app_id, const char *script_name, const char *cred_file, const char *pid_file, char* const* local_dirs, char* const* log_dirs, - const char *command_file,const char *resources_key, - char* const* resources_values); + const char *command_file); /* * Function used to launch a container as the provided user. It does the following : diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c index 76fa39f2a39..93691f95893 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/main.c @@ -430,8 +430,8 @@ static int validate_run_as_user_commands(int argc, char **argv, int *operation) case LAUNCH_DOCKER_CONTAINER: if(is_docker_support_enabled()) { //kill me now. - if (!(argc == 14 || argc == 15)) { - fprintf(ERRORFILE, "Wrong number of arguments (%d vs 14 or 15) for" + if (!(argc == 13 || argc == 14)) { + fprintf(ERRORFILE, "Wrong number of arguments (%d vs 13 or 14) for" " launch docker container\n", argc); fflush(ERRORFILE); return INVALID_ARGUMENT_NUMBER; @@ -448,21 +448,8 @@ static int validate_run_as_user_commands(int argc, char **argv, int *operation) // good log dirs as a comma separated list cmd_input.log_dirs = argv[optind++]; cmd_input.docker_command_file = argv[optind++]; - // key,value pair describing resources - resources = argv[optind++]; - resources_key = malloc(strlen(resources)); - resources_value = malloc(strlen(resources)); - if (get_kv_key(resources, resources_key, strlen(resources)) < 0 || - get_kv_value(resources, resources_value, strlen(resources)) < 0) { - fprintf(ERRORFILE, "Invalid arguments for cgroups resources: %s", - resources); - fflush(ERRORFILE); - free(resources_key); - free(resources_value); - return INVALID_ARGUMENT_NUMBER; - } //network isolation through tc - if (argc == 15) { + if (argc == 14) { if(is_tc_support_enabled()) { cmd_input.traffic_control_command_file = argv[optind++]; } else { @@ -471,9 +458,6 @@ static int validate_run_as_user_commands(int argc, char **argv, int *operation) } } - cmd_input.resources_key = resources_key; - cmd_input.resources_value = resources_value; - cmd_input.resources_values = split(resources_value); *operation = RUN_AS_USER_LAUNCH_DOCKER_CONTAINER; return 0; } else { @@ -653,9 +637,7 @@ int main(int argc, char **argv) { cmd_input.pid_file, split(cmd_input.local_dirs), split(cmd_input.log_dirs), - cmd_input.docker_command_file, - cmd_input.resources_key, - cmd_input.resources_values); + cmd_input.docker_command_file); break; case RUN_AS_USER_LAUNCH_CONTAINER: if (cmd_input.traffic_control_command_file != NULL) { diff --git a/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 b/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 index 80823d30dc4..e0987786c81 100644 --- a/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 +++ b/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 @@ -355,9 +355,9 @@ public class TestDockerContainerRuntime { List args = op.getArguments(); - //This invocation of container-executor should use 13 arguments in a + //This invocation of container-executor should use 12 arguments in a // specific order - int expected = 13; + int expected = 12; int counter = 1; Assert.assertEquals(expected, args.size()); Assert.assertEquals(user, args.get(counter++)); @@ -373,7 +373,6 @@ public class TestDockerContainerRuntime { Assert.assertEquals(pidFilePath.toString(), args.get(counter++)); Assert.assertEquals(localDirs.get(0), args.get(counter++)); Assert.assertEquals(logDirs.get(0), args.get(counter++)); - Assert.assertEquals(resourcesOptions, args.get(++counter)); return op; } @@ -2116,7 +2115,7 @@ public class TestDockerContainerRuntime { List args = op.getArguments(); - int expectedArgs = 13; + int expectedArgs = 12; int argsCounter = 0; Assert.assertEquals(expectedArgs, args.size()); Assert.assertEquals(runAsUser, args.get(argsCounter++)); @@ -2134,7 +2133,6 @@ public class TestDockerContainerRuntime { Assert.assertEquals(localDirs.get(0), args.get(argsCounter++)); Assert.assertEquals(logDirs.get(0), args.get(argsCounter++)); String dockerCommandFile = args.get(argsCounter++); - Assert.assertEquals(resourcesOptions, args.get(argsCounter)); List dockerCommands = Files .readAllLines(Paths.get(dockerCommandFile), Charset.forName("UTF-8"));