void test_delete_app() {
char* app_dir = get_app_directory(TEST_ROOT "/local-2", yarn_username, "app_2");
char* dont_touch = get_app_directory(TEST_ROOT "/local-2", yarn_username,
DONT_TOUCH_FILE);
char* container_dir = get_container_work_directory(TEST_ROOT "/local-2",
yarn_username, "app_2", "container_1");
char buffer[100000];
sprintf(buffer, "mkdir -p %s/who/let/the/dogs/out/who/who", container_dir);
run(buffer);
sprintf(buffer, "touch %s", dont_touch);
run(buffer);
// soft link to the canary file from the container directory
sprintf(buffer, "ln -s %s %s/who/softlink", dont_touch, container_dir);
run(buffer);
// hard link to the canary file from the container directory
sprintf(buffer, "ln %s %s/who/hardlink", dont_touch, container_dir);
run(buffer);
// create a dot file in the container directory
sprintf(buffer, "touch %s/who/let/.dotfile", container_dir);
run(buffer);
// create a no permission file
sprintf(buffer, "touch %s/who/let/protect", container_dir);
run(buffer);
sprintf(buffer, "chmod 000 %s/who/let/protect", container_dir);
run(buffer);
// create a no permission directory
sprintf(buffer, "chmod 000 %s/who/let", container_dir);
run(buffer);
// delete container directory
int ret = delete_as_user(yarn_username, app_dir, NULL);
if (ret != 0) {
printf("FAIL: return code from delete_as_user is %d\n", ret);
exit(1);
}
// check to make sure the container directory is gone
if (access(container_dir, R_OK) == 0) {
printf("FAIL: failed to delete the directory - %s\n", container_dir);
exit(1);
}
// check to make sure the app directory is gone
if (access(app_dir, R_OK) == 0) {
printf("FAIL: didn't delete the directory - %s\n", app_dir);
exit(1);
}
// but that the canary is not gone
if (access(dont_touch, R_OK) != 0) {
printf("FAIL: accidently deleted file %s\n", dont_touch);
exit(1);
}
free(app_dir);
free(container_dir);
free(dont_touch);
}
void test_delete_user() {
printf("\nTesting delete_user\n");
char* app_dir = get_app_directory(TEST_ROOT "/local-1", username, "app_3");
if (mkdirs(app_dir, 0700) != 0) {
exit(1);
}
char buffer[100000];
sprintf(buffer, "%s/local-1/usercache/%s", TEST_ROOT, username);
if (access(buffer, R_OK) != 0) {
printf("FAIL: directory missing before test\n");
exit(1);
}
if (delete_as_user(username, buffer, NULL) != 0) {
exit(1);
}
if (access(buffer, R_OK) == 0) {
printf("FAIL: directory not deleted\n");
exit(1);
}
if (access(TEST_ROOT "/local-1", R_OK) != 0) {
printf("FAIL: local-1 directory does not exist\n");
exit(1);
}
free(app_dir);
}
void test_delete_user() {
printf("\nTesting delete_user\n");
char* app_dir = get_app_directory(TEST_ROOT "/local-1", yarn_username, "app_3");
if (mkdirs(app_dir, 0700) != 0) {
exit(1);
}
char buffer[100000];
sprintf(buffer, "%s/test.cfg", app_dir);
if (write_config_file(buffer, 1) != 0) {
exit(1);
}
char * dirs[] = {buffer, 0};
int ret = delete_as_user(yarn_username, "file1" , dirs);
if (ret == 0) {
printf("FAIL: if baseDir is a file, delete_as_user should fail if a subdir is also passed\n");
exit(1);
}
// Pass a file to delete_as_user in the baseDirs parameter. The file should
// be deleted.
ret = delete_as_user(yarn_username, "" , dirs);
if (ret != 0) {
printf("FAIL: delete_as_user could not delete baseDir when baseDir is a file: return code is %d\n", ret);
exit(1);
}
sprintf(buffer, "%s", app_dir);
char missing_dir[20];
strcpy(missing_dir, "/some/missing/dir");
char * dirs_with_missing[] = {missing_dir, buffer, 0};
ret = delete_as_user(yarn_username, "" , dirs_with_missing);
printf("%d" , ret);
if (access(buffer, R_OK) == 0) {
printf("FAIL: directory not deleted\n");
exit(1);
}
sprintf(buffer, "%s/local-1/usercache/%s", TEST_ROOT, yarn_username);
if (access(buffer, R_OK) != 0) {
printf("FAIL: directory missing before test\n");
exit(1);
}
if (delete_as_user(yarn_username, buffer, NULL) != 0) {
exit(1);
}
if (access(buffer, R_OK) == 0) {
printf("FAIL: directory not deleted\n");
exit(1);
}
if (access(TEST_ROOT "/local-1", R_OK) != 0) {
printf("FAIL: local-1 directory does not exist\n");
exit(1);
}
free(app_dir);
}
void test_get_app_directory() {
char *expected = "/tmp/usercache/user/appcache/app_200906101234_0001";
char *app_dir = (char *) get_app_directory("/tmp", "user",
"app_200906101234_0001");
if (strcmp(app_dir, expected) != 0) {
printf("test_get_app_directory expected %s got %s\n", expected, app_dir);
exit(1);
}
free(app_dir);
}
void test_get_container_launcher_file() {
char *expected_file = ("/tmp/usercache/user/appcache/app_200906101234_0001"
"/launch_container.sh");
char *app_dir = get_app_directory("/tmp", "user",
"app_200906101234_0001");
char *container_file = get_container_launcher_file(app_dir);
if (strcmp(container_file, expected_file) != 0) {
printf("failure to match expected container file %s vs %s\n", container_file,
expected_file);
exit(1);
}
free(app_dir);
free(container_file);
}
/**
* Function to prepare the application directories for the container.
*/
int initialize_app(const char *user, const char *app_id,
const char* nmPrivate_credentials_file,
char* const* local_dirs, char* const* log_roots,
char* const* args) {
if (app_id == NULL || user == NULL) {
fprintf(LOGFILE, "Either app_id is null or the user passed is null.\n");
return INVALID_ARGUMENT_NUMBER;
}
// create the user directory on all disks
int result = initialize_user(user, local_dirs);
if (result != 0) {
return result;
}
////////////// create the log directories for the app on all disks
char* const* log_root;
char *any_one_app_log_dir = NULL;
for(log_root=log_roots; *log_root != NULL; ++log_root) {
char *app_log_dir = get_app_log_directory(*log_root, app_id);
if (app_log_dir == NULL) {
// try the next one
} else if (create_directory_for_user(app_log_dir) != 0) {
free(app_log_dir);
return -1;
} else if (any_one_app_log_dir == NULL) {
any_one_app_log_dir = app_log_dir;
} else {
free(app_log_dir);
}
}
if (any_one_app_log_dir == NULL) {
fprintf(LOGFILE, "Did not create any app-log directories\n");
return -1;
}
free(any_one_app_log_dir);
////////////// End of creating the log directories for the app on all disks
// open up the credentials file
int cred_file = open_file_as_nm(nmPrivate_credentials_file);
if (cred_file == -1) {
return -1;
}
// give up root privs
if (change_user(user_detail->pw_uid, user_detail->pw_gid) != 0) {
return -1;
}
// 750
mode_t permissions = S_IRWXU | S_IRGRP | S_IXGRP;
char* const* nm_root;
char *primary_app_dir = NULL;
for(nm_root=local_dirs; *nm_root != NULL; ++nm_root) {
char *app_dir = get_app_directory(*nm_root, user, app_id);
if (app_dir == NULL) {
// try the next one
} else if (mkdirs(app_dir, permissions) != 0) {
free(app_dir);
} else if (primary_app_dir == NULL) {
primary_app_dir = app_dir;
} else {
free(app_dir);
}
}
if (primary_app_dir == NULL) {
fprintf(LOGFILE, "Did not create any app directories\n");
return -1;
}
char *nmPrivate_credentials_file_copy = strdup(nmPrivate_credentials_file);
// TODO: FIXME. The user's copy of creds should go to a path selected by
// localDirAllocatoir
char *cred_file_name = concatenate("%s/%s", "cred file", 2,
primary_app_dir, basename(nmPrivate_credentials_file_copy));
if (cred_file_name == NULL) {
free(nmPrivate_credentials_file_copy);
return -1;
}
if (copy_file(cred_file, nmPrivate_credentials_file,
cred_file_name, S_IRUSR|S_IWUSR) != 0){
free(nmPrivate_credentials_file_copy);
return -1;
}
free(nmPrivate_credentials_file_copy);
fclose(stdin);
fflush(LOGFILE);
if (LOGFILE != stdout) {
fclose(stdout);
}
if (ERRORFILE != stderr) {
fclose(stderr);
}
if (chdir(primary_app_dir) != 0) {
fprintf(LOGFILE, "Failed to chdir to app dir - %s\n", strerror(errno));
return -1;
}
execvp(args[0], args);
fprintf(ERRORFILE, "Failure to exec app initialization process - %s\n",
strerror(errno));
return -1;
}
void test_init_app() {
printf("\nTesting init app\n");
if (seteuid(0) != 0) {
printf("FAIL: seteuid to root failed - %s\n", strerror(errno));
exit(1);
}
FILE* creds = fopen(TEST_ROOT "/creds.txt", "w");
if (creds == NULL) {
printf("FAIL: failed to create credentials file - %s\n", strerror(errno));
exit(1);
}
if (fprintf(creds, "secret key\n") < 0) {
printf("FAIL: fprintf failed - %s\n", strerror(errno));
exit(1);
}
if (fclose(creds) != 0) {
printf("FAIL: fclose failed - %s\n", strerror(errno));
exit(1);
}
FILE* job_xml = fopen(TEST_ROOT "/job.xml", "w");
if (job_xml == NULL) {
printf("FAIL: failed to create job file - %s\n", strerror(errno));
exit(1);
}
if (fprintf(job_xml, "<jobconf/>\n") < 0) {
printf("FAIL: fprintf failed - %s\n", strerror(errno));
exit(1);
}
if (fclose(job_xml) != 0) {
printf("FAIL: fclose failed - %s\n", strerror(errno));
exit(1);
}
if (seteuid(user_detail->pw_uid) != 0) {
printf("FAIL: failed to seteuid back to user - %s\n", strerror(errno));
exit(1);
}
fflush(stdout);
fflush(stderr);
pid_t child = fork();
if (child == -1) {
printf("FAIL: failed to fork process for init_app - %s\n",
strerror(errno));
exit(1);
} else if (child == 0) {
char *final_pgm[] = {"touch", "my-touch-file", 0};
if (initialize_app(yarn_username, "app_4", TEST_ROOT "/creds.txt",
local_dirs, log_dirs, final_pgm) != 0) {
printf("FAIL: failed in child\n");
exit(42);
}
// should never return
exit(1);
}
int status = 0;
if (waitpid(child, &status, 0) <= 0) {
printf("FAIL: failed waiting for process %" PRId64 " - %s\n", (int64_t)child,
strerror(errno));
exit(1);
}
if (access(TEST_ROOT "/logs/userlogs/app_4", R_OK) != 0) {
printf("FAIL: failed to create app log directory\n");
exit(1);
}
char* app_dir = get_app_directory(TEST_ROOT "/local-1", yarn_username, "app_4");
if (access(app_dir, R_OK) != 0) {
printf("FAIL: failed to create app directory %s\n", app_dir);
exit(1);
}
char buffer[100000];
sprintf(buffer, "%s/creds.txt", app_dir);
if (access(buffer, R_OK) != 0) {
printf("FAIL: failed to create credentials %s\n", buffer);
exit(1);
}
sprintf(buffer, "%s/my-touch-file", app_dir);
if (access(buffer, R_OK) != 0) {
printf("FAIL: failed to create touch file %s\n", buffer);
exit(1);
}
free(app_dir);
app_dir = get_app_log_directory(TEST_ROOT "/logs/userlogs","app_4");
if (access(app_dir, R_OK) != 0) {
printf("FAIL: failed to create app log directory %s\n", app_dir);
exit(1);
}
free(app_dir);
}
