int send_job(
job *jobp,
pbs_net_t hostaddr, /* host address, host byte order */
int port, /* service port, host byte order */
int move_type, /* move, route, or execute */
void (*post_func)(struct work_task *), /* after move */
void *data) /* ptr to optional batch_request to be put */
/* in the work task structure */
{
tlist_head attrl;
enum conn_type cntype = ToServerDIS;
int con;
char *destin = jobp->ji_qs.ji_destin;
int encode_type;
int i;
int NumRetries;
char *id = "send_job";
attribute *pattr;
pid_t pid;
struct attropl *pqjatr; /* list (single) of attropl for quejob */
char *safail = "sigaction failed\n";
char *spfail = "sigprocmask failed\n";
char script_name[MAXPATHLEN + 1];
sigset_t child_set, all_set;
struct sigaction child_action;
struct work_task *ptask;
mbool_t Timeout = FALSE;
char *pc;
sigemptyset(&child_set);
sigaddset(&child_set, SIGCHLD);
sigfillset(&all_set);
/* block SIGCHLD until work task is established */
if (sigprocmask(SIG_BLOCK, &child_set, NULL) == -1)
{
log_err(errno,id,spfail);
pbs_errno = PBSE_SYSTEM;
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
"cannot set signal mask");
return(ROUTE_PERM_FAILURE);
}
if (LOGLEVEL >= 6)
{
sprintf(log_buffer,"about to send job - type=%d",
move_type);
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
"forking in send_job");
}
pid = fork();
if (pid == -1)
{
/* error on fork */
log_err(errno, id, "fork failed\n");
if (sigprocmask(SIG_UNBLOCK, &child_set, NULL) == -1)
log_err(errno, id, spfail);
pbs_errno = PBSE_SYSTEM;
return(ROUTE_PERM_FAILURE);
}
if (pid != 0)
{
/* The parent (main server) */
/* create task to monitor job startup */
/* CRI: need way to report to scheduler job is starting, not started */
ptask = set_task(WORK_Deferred_Child, pid, post_func, jobp);
if (ptask == NULL)
{
log_err(errno, id, msg_err_malloc);
return(ROUTE_PERM_FAILURE);
}
ptask->wt_parm2 = data;
append_link(
&((job *)jobp)->ji_svrtask,
&ptask->wt_linkobj,
ptask);
/* now can unblock SIGCHLD */
if (sigprocmask(SIG_UNBLOCK, &child_set, NULL) == -1)
log_err(errno, id, spfail);
if (LOGLEVEL >= 1)
{
extern long DispatchTime[];
extern job *DispatchJob[];
extern char *DispatchNode[];
extern time_t time_now;
struct pbsnode *NP;
/* record job dispatch time */
int jindex;
for (jindex = 0;jindex < 20;jindex++)
{
if (DispatchJob[jindex] == NULL)
{
DispatchTime[jindex] = time_now;
DispatchJob[jindex] = jobp;
if ((NP = PGetNodeFromAddr(hostaddr)) != NULL)
DispatchNode[jindex] = NP->nd_name;
else
DispatchNode[jindex] = NULL;
break;
}
}
}
/* SUCCESS */
return(ROUTE_DEFERRED);
} /* END if (pid != 0) */
/*
* the child process
*
* set up signal catcher for error return
*/
rpp_terminate();
child_action.sa_handler = net_move_die;
sigfillset(&child_action.sa_mask);
child_action.sa_flags = 0;
if (sigaction(SIGHUP, &child_action, NULL))
log_err(errno, id, safail);
if (sigaction(SIGINT, &child_action, NULL))
log_err(errno, id, safail);
if (sigaction(SIGQUIT, &child_action, NULL))
log_err(errno, id, safail);
/* signal handling is set, now unblock */
if (sigprocmask(SIG_UNBLOCK, &child_set, NULL) == -1)
log_err(errno, id, spfail);
/* encode job attributes to be moved */
CLEAR_HEAD(attrl);
/* select attributes/resources to send based on move type */
if (move_type == MOVE_TYPE_Exec)
{
/* moving job to MOM - ie job start */
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
cntype = ToServerDIS;
}
else
{
/* moving job to alternate server? */
resc_access_perm =
ATR_DFLAG_USWR |
ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR |
ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
/* clear default resource settings */
svr_dequejob(jobp);
}
pattr = jobp->ji_wattr;
for (i = 0;i < JOB_ATR_LAST;i++)
{
if (((job_attr_def + i)->at_flags & resc_access_perm) ||
((strncmp((job_attr_def + i)->at_name,"session_id",10) == 0) &&
(jobp->ji_wattr[JOB_ATR_checkpoint_name].at_flags & ATR_VFLAG_SET)))
{
(job_attr_def + i)->at_encode(
pattr + i,
&attrl,
(job_attr_def + i)->at_name,
NULL,
encode_type);
}
} /* END for (i) */
attrl_fixlink(&attrl);
/* put together the job script file name */
strcpy(script_name, path_jobs);
if (jobp->ji_wattr[JOB_ATR_job_array_request].at_flags & ATR_VFLAG_SET)
{
strcat(script_name, jobp->ji_arraystruct->ai_qs.fileprefix);
}
else
{
strcat(script_name, jobp->ji_qs.ji_fileprefix);
}
strcat(script_name, JOB_SCRIPT_SUFFIX);
pbs_errno = 0;
con = -1;
for (NumRetries = 0;NumRetries < RETRY;NumRetries++)
{
int rc;
/* connect to receiving server with retries */
if (NumRetries > 0)
{
/* recycle after an error */
if (con >= 0)
svr_disconnect(con);
/* check pbs_errno from previous attempt */
if (should_retry_route(pbs_errno) == -1)
{
sprintf(log_buffer, "child failed in previous commit request for job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, id, log_buffer);
exit(1); /* fatal error, don't retry */
}
sleep(1 << NumRetries);
}
/* NOTE: on node hangs, svr_connect is successful */
if ((con = svr_connect(hostaddr, port, 0, cntype)) == PBS_NET_RC_FATAL)
{
sprintf(log_buffer, "send_job failed to %lx port %d",
hostaddr,
port);
log_err(pbs_errno, id, log_buffer);
exit(1);
}
if (con == PBS_NET_RC_RETRY)
{
pbs_errno = 0; /* should retry */
continue;
}
/*
* if the job is substate JOB_SUBSTATE_TRNOUTCM which means
* we are recovering after being down or a late failure, we
* just want to send the "ready-to-commit/commit"
*/
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM)
{
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT)
{
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUT;
job_save(jobp, SAVEJOB_QUICK);
}
pqjatr = &((svrattrl *)GET_NEXT(attrl))->al_atopl;
if ((pc = PBSD_queuejob(
con,
jobp->ji_qs.ji_jobid,
destin,
pqjatr,
NULL)) == NULL)
{
if ((pbs_errno == PBSE_EXPIRED) || (pbs_errno == PBSE_READ_REPLY_TIMEOUT))
{
/* queue job timeout based on pbs_tcp_timeout */
Timeout = TRUE;
}
if ((pbs_errno == PBSE_JOBEXIST) && (move_type == MOVE_TYPE_Exec))
{
/* already running, mark it so */
log_event(
PBSEVENT_ERROR,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
"MOM reports job already running");
exit(0);
}
sprintf(log_buffer, "send of job to %s failed error = %d",
destin,
pbs_errno);
log_event(
PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
jobp->ji_qs.ji_jobid,
log_buffer);
continue;
} /* END if ((pc = PBSD_queuejob() == NULL) */
free(pc);
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT)
{
if (PBSD_jscript(con, script_name, jobp->ji_qs.ji_jobid) != 0)
continue;
}
/* XXX may need to change the logic below, if we are sending the job to
a mom on the same host and the mom and server are not sharing the same
spool directory, then we still need to move the file */
if ((move_type == MOVE_TYPE_Exec) &&
(jobp->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN) &&
(hostaddr != pbs_server_addr))
{
/* send files created on prior run */
if ((move_job_file(con,jobp,StdOut) != 0) ||
(move_job_file(con,jobp,StdErr) != 0) ||
(move_job_file(con,jobp,Checkpoint) != 0))
{
continue;
}
}
/* ignore signals */
if (sigprocmask(SIG_BLOCK, &all_set, NULL) == -1)
log_err(errno, id, "sigprocmask\n");
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUTCM;
job_save(jobp, SAVEJOB_QUICK);
}
else
{
/* ignore signals */
if (sigprocmask(SIG_BLOCK, &all_set, NULL) == -1)
log_err(errno, id, "sigprocmask\n");
}
if (PBSD_rdytocmt(con, jobp->ji_qs.ji_jobid) != 0)
{
if (sigprocmask(SIG_UNBLOCK, &all_set, NULL) == -1)
log_err(errno, id, "sigprocmask\n");
continue;
}
if ((rc = PBSD_commit(con, jobp->ji_qs.ji_jobid)) != 0)
{
int errno2;
/* NOTE: errno is modified by log_err */
errno2 = errno;
sprintf(log_buffer, "send_job commit failed, rc=%d (%s)",
rc,
(connection[con].ch_errtxt != NULL) ? connection[con].ch_errtxt : "N/A");
log_ext(errno2, id, log_buffer, LOG_WARNING);
/* if failure occurs, pbs_mom should purge job and pbs_server should set *
job state to idle w/error msg */
if (errno2 == EINPROGRESS)
{
/* request is still being processed */
/* increase tcp_timeout in qmgr? */
Timeout = TRUE;
/* do we need a continue here? */
sprintf(log_buffer, "child commit request timed-out for job %s, increase tcp_timeout?",
jobp->ji_qs.ji_jobid);
log_ext(errno2, id, log_buffer, LOG_WARNING);
/* don't retry on timeout--break out and report error! */
break;
}
else
{
sprintf(log_buffer, "child failed in commit request for job %s",
jobp->ji_qs.ji_jobid);
log_ext(errno2, id, log_buffer, LOG_CRIT);
/* FAILURE */
exit(1);
}
} /* END if ((rc = PBSD_commit(con,jobp->ji_qs.ji_jobid)) != 0) */
svr_disconnect(con);
/* child process is done */
/* SUCCESS */
exit(0);
} /* END for (NumRetries) */
if (con >= 0)
svr_disconnect(con);
if (Timeout == TRUE)
{
/* 10 indicates that job migrate timed out, server will mark node down *
and abort the job - see post_sendmom() */
sprintf(log_buffer, "child timed-out attempting to start job %s",
jobp->ji_qs.ji_jobid);
log_ext(pbs_errno, id, log_buffer, LOG_WARNING);
exit(10);
}
if (should_retry_route(pbs_errno) == -1)
{
sprintf(log_buffer, "child failed and will not retry job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, id, log_buffer);
exit(1);
}
exit(2);
/*NOTREACHED*/
return(ROUTE_SUCCESS);
} /* END send_job() */
/**
* @brief
* main - the initialization and main loop of pbs_daemon
*/
int
main(int argc, char *argv[])
{
char jobfile[MAXPATHLEN+1];
char jobfile_full[MAXPATHLEN+1];
pbs_net_t hostaddr = 0;
int port = -1;
int move_type = -1;
pbs_list_head attrl;
enum conn_type cntype = ToServerDIS;
int con = -1;
char *destin;
int encode_type;
int i;
job *jobp;
char job_id[PBS_MAXSVRJOBID+1];
attribute *pattr;
struct attropl *pqjatr; /* list (single) of attropl for quejob */
char script_name[MAXPATHLEN+1];
int in_server = -1;
char *param_name, *param_val;
char buf[4096];
struct hostent *hp;
struct in_addr addr;
char *credbuf = NULL;
size_t credlen = 0;
int prot = PROT_TCP;
/*the real deal or output version and exit?*/
execution_mode(argc, argv);
/* If we are not run with real and effective uid of 0, forget it */
pbs_loadconf(0);
if (!isAdminPrivilege(getlogin())) {
fprintf(stderr, "%s: Must be run by root\n", argv[0]);
exit(SEND_JOB_FATAL);
}
/* initialize the pointers in the resource_def array */
for (i = 0; i < (svr_resc_size - 1); ++i)
svr_resc_def[i].rs_next = &svr_resc_def[i+1];
/* last entry is left with null pointer */
/* set single threaded mode */
pbs_client_thread_set_single_threaded_mode();
/* disable attribute verification */
set_no_attribute_verification();
/* initialize the thread context */
if (pbs_client_thread_init_thread_context() != 0) {
fprintf(stderr, "%s: Unable to initialize thread context\n",
argv[0]);
exit(SEND_JOB_FATAL);
}
if(set_msgdaemonname("PBS_send_job")) {
fprintf(stderr, "Out of memory\n");
return 1;
}
winsock_init();
connection_init();
while (fgets(buf, sizeof(buf), stdin) != NULL) {
buf[strlen(buf)-1] = '\0'; /* gets rid of newline */
param_name = buf;
param_val = strchr(buf, '=');
if (param_val) {
*param_val = '\0';
param_val++;
} else { /* bad param_val -- skipping */
break;
}
if (strcmp(param_name, "jobfile") == 0) {
jobfile[0] = '\0';
strncpy(jobfile, param_val, MAXPATHLEN);
} else if (strcmp(param_name, "destaddr") == 0) {
hostaddr = atol(param_val);
} else if (strcmp(param_name, "destport") == 0) {
port = atoi(param_val);
} else if (strcmp(param_name, "move_type") == 0) {
move_type = atoi(param_val);
} else if (strcmp(param_name, "in_server") == 0) {
in_server = atoi(param_val);
} else if (strcmp(param_name, "server_name") == 0) {
server_name[0] = '\0';
strncpy(server_name, param_val, PBS_MAXSERVERNAME);
} else if (strcmp(param_name, "server_host") == 0) {
server_host[0] = '\0';
strncpy(server_host, param_val, (sizeof(server_host) - 1));
} else if (strcmp(param_name, "server_addr") == 0) {
pbs_server_addr = atol(param_val);
} else if (strcmp(param_name, "server_port") == 0) {
pbs_server_port_dis = atoi(param_val);
} else if (strcmp(param_name, "log_file") == 0) {
log_file = strdup(param_val);
} else if (strcmp(param_name, "path_log") == 0) {
path_log[0] = '\0';
strncpy(path_log, param_val, MAXPATHLEN);
} else if (strcmp(param_name, "path_jobs") == 0) {
path_jobs = strdup(param_val);
} else if (strcmp(param_name, "path_spool") == 0) {
path_spool = strdup(param_val);
} else if (strcmp(param_name, "path_rescdef") == 0) {
path_rescdef = strdup(param_val);
} else if (strcmp(param_name, "path_users") == 0) {
path_users = strdup(param_val);
} else if (strcmp(param_name, "path_hooks_workdir") == 0) {
path_hooks_workdir = strdup(param_val);
if (path_hooks_workdir == NULL)
exit(SEND_JOB_FATAL);
} else if (strcmp(param_name, "svr_history_enable") == 0) {
svr_history_enable = atol(param_val);
} else if (strcmp(param_name, "svr_history_duration") == 0) {
svr_history_duration = atol(param_val);
} else if (strcmp(param_name, "single_signon_password_enable") == 0) {
if (decode_b(&server.sv_attr[(int)SRV_ATR_ssignon_enable],
NULL, NULL, param_val) != 0) {
fprintf(stderr, "%s: failed to set ssignon_password_enable\n", argv[0]);
exit(SEND_JOB_FATAL);
}
} else if (strcmp(param_name, "script_name") == 0) {
strncpy(script_name, param_val, MAXPATHLEN + 1);
} else
break;
}
time(&time_now);
(void)log_open_main(log_file, path_log, 1); /* silent open */
if (setup_resc(1) == -1) {
/* log_buffer set in setup_resc */
log_err(-1, "pbsd_send_job(setup_resc)", log_buffer);
return (-1);
}
if( strlen(jobfile) == 0 || hostaddr == 0 || port == 0 || move_type == -1 || \
in_server == -1 || strlen(server_name) == 0 || strlen(server_host) == 0 || \
pbs_server_addr == 0 || pbs_server_port_dis == 0 || \
strlen(path_log) == 0 || path_jobs == NULL || \
path_spool == NULL || path_users == NULL ) {
log_err(-1, "pbs_send_job", "error on one of the parameters");
log_close(0); /* silent close */
exit(SEND_JOB_FATAL);
}
CLEAR_HEAD(task_list_immed);
CLEAR_HEAD(task_list_timed);
CLEAR_HEAD(task_list_event);
CLEAR_HEAD(svr_queues);
CLEAR_HEAD(svr_alljobs);
CLEAR_HEAD(svr_newjobs);
CLEAR_HEAD(svr_allresvs);
CLEAR_HEAD(svr_newresvs);
CLEAR_HEAD(svr_deferred_req);
CLEAR_HEAD(svr_unlicensedjobs);
strcpy(jobfile_full, path_jobs);
strcat(jobfile_full, jobfile);
if (chk_save_file(jobfile_full) != 0) {
sprintf(log_buffer, "Error opening jobfile=%s", jobfile);
log_err(-1, __func__, log_buffer);
goto fatal_exit;
}
if ((jobp=job_recov_fs(jobfile, RECOV_SUBJOB)) == NULL) {
sprintf(log_buffer, "Failed to recreate job in jobfile=%s", jobfile);
log_err(-1, __func__, log_buffer);
goto fatal_exit;
}
/* now delete the temp job file that was created by job_save_fs in server code
* jobs are in database now, no need to keep in filesystem
*/
unlink(jobfile_full);
if (in_server)
append_link(&svr_alljobs, &jobp->ji_alljobs, jobp);
/* select attributes/resources to send based on move type */
if (move_type == MOVE_TYPE_Exec) {
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
cntype = ToServerDIS;
} else {
resc_access_perm = ATR_DFLAG_USWR | ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR | ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
svr_dequejob(jobp);
}
CLEAR_HEAD(attrl);
pattr = jobp->ji_wattr;
for (i=0; i < (int)JOB_ATR_LAST; i++) {
if ((job_attr_def+i)->at_flags & resc_access_perm) {
(void)(job_attr_def+i)->at_encode(pattr+i, &attrl,
(job_attr_def+i)->at_name, NULL,
encode_type, NULL);
}
}
attrl_fixlink(&attrl);
/* script name is passed from parent */
/* get host name */
pbs_loadconf(0);
addr.s_addr = htonl(hostaddr);
hp = gethostbyaddr((void *)&addr, sizeof(struct in_addr), AF_INET);
if (hp == NULL) {
sprintf(log_buffer, "%s: h_errno=%d",
inet_ntoa(addr), h_errno);
log_err(-1, __func__, log_buffer);
}
else {
/* read any credential file */
(void)get_credential(hp->h_name, jobp, PBS_GC_BATREQ,
&credbuf, &credlen);
}
/* save the job id for when after we purge the job */
(void)strcpy(job_id, jobp->ji_qs.ji_jobid);
con = -1;
DIS_tcparray_init();
for (i=0; i<RETRY; i++) {
pbs_errno = 0;
/* connect to receiving server with retries */
if (i > 0) { /* recycle after an error */
if (con >= 0)
svr_disconnect(con);
if (should_retry_route(pbs_errno) == -1) {
goto fatal_exit; /* fatal error, don't retry */
}
sleep(1<<i);
}
if ((con = svr_connect(hostaddr, port, 0, cntype, prot)) ==
PBS_NET_RC_FATAL) {
(void)sprintf(log_buffer, "send_job failed to %lx port %d",
hostaddr, port);
log_err(pbs_errno, __func__, log_buffer);
goto fatal_exit;
} else if (con == PBS_NET_RC_RETRY) {
pbs_errno = WSAECONNREFUSED; /* should retry */
continue;
}
/*
* if the job is substate JOB_SUBSTATE_TRNOUTCM which means
* we are recovering after being down or a late failure, we
* just want to send the "read-to-commit/commit"
*/
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM) {
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT) {
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUT;
}
pqjatr = &((svrattrl *)GET_NEXT(attrl))->al_atopl;
destin = jobp->ji_qs.ji_destin;
if (PBSD_queuejob(con, jobp->ji_qs.ji_jobid, destin, pqjatr, NULL, prot, NULL)== 0) {
if (pbs_errno == PBSE_JOBEXIST && move_type == MOVE_TYPE_Exec) {
/* already running, mark it so */
log_event(PBSEVENT_ERROR,
PBS_EVENTCLASS_JOB, LOG_INFO,
jobp->ji_qs.ji_jobid, "Mom reports job already running");
goto ok_exit;
} else if ((pbs_errno == PBSE_HOOKERROR) ||
(pbs_errno == PBSE_HOOK_REJECT) ||
(pbs_errno == PBSE_HOOK_REJECT_RERUNJOB) ||
(pbs_errno == PBSE_HOOK_REJECT_DELETEJOB)) {
char name_buf[MAXPATHLEN+1];
int rfd;
int len;
char *reject_msg;
int err;
err = pbs_errno;
reject_msg = pbs_geterrmsg(con);
(void)snprintf(log_buffer, sizeof(log_buffer),
"send of job to %s failed error = %d reject_msg=%s",
destin, err,
reject_msg?reject_msg:"");
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
(void)strcpy(name_buf, path_hooks_workdir);
(void)strcat(name_buf, jobp->ji_qs.ji_jobid);
(void)strcat(name_buf, HOOK_REJECT_SUFFIX);
if ((reject_msg != NULL) &&
(reject_msg[0] != '\0')) {
if ((rfd = open(name_buf,
O_RDWR|O_CREAT|O_TRUNC, 0600)) == -1) {
snprintf(log_buffer,
sizeof(log_buffer),
"open of reject file %s failed: errno %d",
name_buf, errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO, jobp->ji_qs.ji_jobid, log_buffer);
} else {
secure_file(name_buf, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(rfd, O_BINARY);
len = strlen(reject_msg)+1;
/* write also trailing null char */
if (write(rfd, reject_msg, len) != len) {
snprintf(log_buffer,
sizeof(log_buffer),
"write to file %s incomplete: errno %d", name_buf, errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO, jobp->ji_qs.ji_jobid, log_buffer);
}
close(rfd);
}
}
if (err == PBSE_HOOKERROR)
exit(SEND_JOB_HOOKERR);
if (err == PBSE_HOOK_REJECT)
exit(SEND_JOB_HOOK_REJECT);
if (err == PBSE_HOOK_REJECT_RERUNJOB)
exit(SEND_JOB_HOOK_REJECT_RERUNJOB);
if (err == PBSE_HOOK_REJECT_DELETEJOB)
exit(SEND_JOB_HOOK_REJECT_DELETEJOB);
} else {
(void)sprintf(log_buffer, "send of job to %s failed error = %d", destin, pbs_errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, LOG_INFO, jobp->ji_qs.ji_jobid, log_buffer);
continue;
}
}
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
if (PBSD_jscript(con, script_name, prot, NULL) != 0)
continue;
}
if (credlen > 0) {
int ret;
ret = PBSD_jcred(con,
jobp->ji_extended.ji_ext.ji_credtype,
credbuf, credlen, prot, NULL);
if ((ret == 0) || (i == (RETRY - 1)))
free(credbuf); /* free credbuf if credbuf is sent successfully OR */
/* at the end of all retry attempts */
if (ret != 0)
continue;
}
if ((move_type == MOVE_TYPE_Exec) &&
(jobp->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN) &&
(hostaddr != pbs_server_addr)) {
/* send files created on prior run */
if ((move_job_file(con, jobp, StdOut, prot) != 0) ||
(move_job_file(con, jobp, StdErr, prot) != 0) ||
(move_job_file(con, jobp, Chkpt, prot) != 0))
continue;
}
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUTCM;
}
if (PBSD_rdytocmt(con, job_id, prot, NULL) != 0)
continue;
if (PBSD_commit(con, job_id, prot, NULL) != 0)
goto fatal_exit;
goto ok_exit; /* This child process is all done */
}
if (con >= 0)
svr_disconnect(con);
/*
* If connection is actively refused by the execution node(or mother superior) OR
* the execution node(or mother superior) is rejecting request with error
* PBSE_BADHOST(failing to authorize server host), the node should be marked down.
*/
if ((move_type == MOVE_TYPE_Exec) && (pbs_errno == WSAECONNREFUSED || pbs_errno == PBSE_BADHOST)) {
i = SEND_JOB_NODEDW;
} else if (should_retry_route(pbs_errno) == -1) {
i = SEND_JOB_FATAL;
} else {
i = SEND_JOB_RETRY;
}
(void)sprintf(log_buffer, "send_job failed with error %d", pbs_errno);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_NOTICE,
jobp->ji_qs.ji_jobid, log_buffer);
log_close(0);
net_close(-1);
unlink(script_name);
exit(i);
fatal_exit:
if (con >= 0)
svr_disconnect(con);
log_close(0);
net_close(-1);
unlink(script_name);
exit(SEND_JOB_FATAL);
ok_exit:
if (con >= 0)
svr_disconnect(con);
log_close(0);
net_close(-1);
unlink(script_name);
exit(SEND_JOB_OK);
}
static int local_move(
job *jobp,
struct batch_request *req)
{
char *id = "local_move";
pbs_queue *qp;
char *destination = jobp->ji_qs.ji_destin;
int mtype;
/* search for destination queue */
if ((qp = find_queuebyname(destination)) == NULL)
{
sprintf(log_buffer, "queue %s does not exist\n",
destination);
log_err(-1, id, log_buffer);
pbs_errno = PBSE_UNKQUE;
return(ROUTE_PERM_FAILURE);
}
/*
* if being moved at specific request of administrator, then
* checks on queue availability, etc. are skipped;
* otherwise all checks are enforced.
*/
if (req == 0)
{
mtype = MOVE_TYPE_Route; /* route */
}
else if (req->rq_perm & (ATR_DFLAG_MGRD | ATR_DFLAG_MGWR))
{
mtype = MOVE_TYPE_MgrMv; /* privileged move */
}
else
{
mtype = MOVE_TYPE_Move; /* non-privileged move */
}
if ((pbs_errno = svr_chkque(
jobp,
qp,
get_variable(jobp, pbs_o_host), mtype, NULL)))
{
/* should this queue be retried? */
return(should_retry_route(pbs_errno));
}
/* dequeue job from present queue, update destination and */
/* queue_rank for new queue and enqueue into destination */
svr_dequejob(jobp);
strcpy(jobp->ji_qs.ji_queue, destination);
jobp->ji_wattr[JOB_ATR_qrank].at_val.at_long = ++queue_rank;
pbs_errno = svr_enquejob(jobp);
if (pbs_errno != 0)
{
return(ROUTE_PERM_FAILURE); /* should never ever get here */
}
jobp->ji_lastdest = 0; /* reset in case of another route */
job_save(jobp, SAVEJOB_FULL);
return(ROUTE_SUCCESS);
} /* END local_move() */
int local_move(
job *pjob,
int *my_err,
struct batch_request *req)
{
pbs_queue *dest_que = NULL;
char *destination = pjob->ji_qs.ji_destin;
int mtype;
char log_buf[LOCAL_LOG_BUF_SIZE];
char job_id[PBS_MAXSVRJOBID+1];
int rc;
bool reservation = false;
/* Sometimes multiple threads are trying to route the same job. Protect against this
* by making sure that the destionation queue and the current queue are different.
* If they are the same then consider it done correctly */
if (!strcmp(pjob->ji_qs.ji_queue, pjob->ji_qs.ji_destin))
return(PBSE_NONE);
if (LOGLEVEL >= 8)
{
sprintf(log_buf, "%s", pjob->ji_qs.ji_jobid);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB, __func__, log_buf);
}
/*
* if being moved at specific request of administrator, then
* checks on queue availability, etc. are skipped;
* otherwise all checks are enforced.
*/
if (req == 0)
{
mtype = MOVE_TYPE_Route; /* route */
}
else if (req->rq_perm & (ATR_DFLAG_MGRD | ATR_DFLAG_MGWR))
{
mtype = MOVE_TYPE_MgrMv; /* privileged move */
}
else
{
mtype = MOVE_TYPE_Move; /* non-privileged move */
}
strcpy(job_id, pjob->ji_qs.ji_jobid);
unlock_ji_mutex(pjob, __func__, NULL, LOGLEVEL);
dest_que = find_queuebyname(destination);
if (dest_que == NULL)
{
/* this should never happen */
sprintf(log_buf, "queue %s does not exist\n", pjob->ji_qs.ji_queue);
log_err(-1, __func__, log_buf);
*my_err = PBSE_UNKQUE;
return(-1);
}
mutex_mgr dest_que_mutex = mutex_mgr(dest_que->qu_mutex, true);
if ((pjob = svr_find_job(job_id, TRUE)) == NULL)
{
/* job disappeared while locking queue */
return(PBSE_JOB_RECYCLED);
}
/* check the destination */
if ((*my_err = svr_chkque(pjob, dest_que, get_variable(pjob, pbs_o_host), mtype, NULL)))
{
/* should this queue be retried? */
return(should_retry_route(*my_err));
}
reservation = have_reservation(pjob, dest_que);
/* dequeue job from present queue, update destination and */
/* queue_rank for new queue and enqueue into destination */
dest_que_mutex.unlock();
rc = svr_dequejob(pjob, FALSE);
if (rc)
return(rc);
snprintf(pjob->ji_qs.ji_queue, sizeof(pjob->ji_qs.ji_queue), "%s", destination);
pjob->ji_wattr[JOB_ATR_qrank].at_val.at_long = ++queue_rank;
if ((*my_err = svr_enquejob(pjob, FALSE, NULL, reservation, false)) == PBSE_JOB_RECYCLED)
return(-1);
if (*my_err != PBSE_NONE)
{
return(-1); /* should never ever get here */
}
if (pjob != NULL)
{
pjob->ji_lastdest = 0; /* reset in case of another route */
job_save(pjob, SAVEJOB_FULL, 0);
}
return(PBSE_NONE);
} /* END local_move() */
int send_job_work(
char *job_id,
const char *node_name, /* I */
int type, /* I */
int *my_err, /* O */
batch_request *preq) /* M */
{
int rc = LOCUTION_FAIL;
int ret = PBSE_NONE;
int local_errno = 0;
tlist_head attrl;
int encode_type;
int mom_err = PBSE_NONE;
int resc_access_perm;
std::string script_name;
char *pc;
char stdout_path[MAXPATHLEN + 1];
char stderr_path[MAXPATHLEN + 1];
char chkpt_path[MAXPATHLEN + 1];
char log_buf[LOCAL_LOG_BUF_SIZE];
long start_time = time(NULL);
bool attempt_to_queue_job = false;
bool change_substate_on_attempt_to_queue = false;
bool need_to_send_job_script = false;
bool job_has_run = false;
job *pjob = NULL;
char job_destin[PBS_MAXROUTEDEST+1];
bool Timeout = false;
unsigned long job_momaddr = -1;
unsigned short job_momport = -1;
if ((pjob = svr_find_job(job_id, TRUE)) == NULL)
{
*my_err = PBSE_JOBNOTFOUND;
req_reject(-1, 0, preq, NULL, NULL);
return(PBSE_JOBNOTFOUND);
}
mutex_mgr job_mutex(pjob->ji_mutex, true);
if (strlen(pjob->ji_qs.ji_destin) != 0)
strcpy(job_destin, pjob->ji_qs.ji_destin);
else
job_destin[0] = '\0';
job_momaddr = pjob->ji_qs.ji_un.ji_exect.ji_momaddr;
job_momport = pjob->ji_qs.ji_un.ji_exect.ji_momport;
if (pjob->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT)
need_to_send_job_script = TRUE;
if (pjob->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN)
job_has_run = TRUE;
if ((job_destin[0] != '\0') &&
(type != MOVE_TYPE_Exec))
{
if ((pc = strchr(job_destin, '@')) != NULL)
{
job_momaddr = get_hostaddr(&local_errno, pc + 1);
job_momport = pbs_server_port_dis;
}
}
/* encode job attributes to be moved */
CLEAR_HEAD(attrl);
/* select attributes/resources to send based on move type */
if (type == MOVE_TYPE_Exec)
{
/* moving job to MOM - ie job start */
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
}
else
{
/* moving job to alternate server? */
resc_access_perm =
ATR_DFLAG_USWR |
ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR |
ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
/* clear default resource settings */
ret = svr_dequejob(pjob, FALSE);
if (ret)
{
job_mutex.set_unlock_on_exit(false);
return(ret);
}
}
encode_attributes(attrl, pjob, resc_access_perm, encode_type);
rc = get_job_script_path(pjob, script_name);
if (rc != PBSE_NONE)
{
if (rc == PBSE_JOB_RECYCLED)
job_mutex.set_unlock_on_exit(false);
free_server_attrs(&attrl);
return(rc);
}
if (job_has_run)
{
if ((get_job_file_path(pjob, StdOut, stdout_path, sizeof(stdout_path)) != 0) ||
(get_job_file_path(pjob, StdErr, stderr_path, sizeof(stderr_path)) != 0) ||
(get_job_file_path(pjob, Checkpoint, chkpt_path, sizeof(chkpt_path)) != 0))
{
job_mutex.unlock();
goto send_job_work_end;
}
}
/* if the job is substate JOB_SUBSTATE_TRNOUTCM it means we are
* recovering after being down or a late failure so we just want
* to send the "ready-to-commit/commit" */
if (pjob->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM)
{
attempt_to_queue_job = true;
if (pjob->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT)
change_substate_on_attempt_to_queue = true;
}
job_mutex.unlock();
rc = send_job_over_network_with_retries(job_id,
job_destin,
attrl,
attempt_to_queue_job,
change_substate_on_attempt_to_queue,
Timeout,
script_name.c_str(),
need_to_send_job_script,
job_has_run,
job_momaddr,
job_momport,
stdout_path,
stderr_path,
chkpt_path,
type,
my_err,
&mom_err);
if (Timeout == TRUE)
{
/* 10 indicates that job migrate timed out, server will mark node down *
and abort the job - see post_sendmom() */
sprintf(log_buf, "child timed-out attempting to start job %s", job_id);
log_ext(*my_err, __func__, log_buf, LOG_WARNING);
rc = LOCUTION_REQUEUE;
}
else if (rc != LOCUTION_SUCCESS)
{
if (should_retry_route(*my_err) == -1)
{
sprintf(log_buf, "child failed and will not retry job %s", job_id);
log_err(*my_err, __func__, log_buf);
rc = LOCUTION_FAIL;
}
else
rc = LOCUTION_REQUEUE;
}
if (type == MOVE_TYPE_Exec)
{
if (node_name != NULL)
update_failure_counts(node_name, rc);
else
update_failure_counts(job_destin, rc);
}
send_job_work_end:
finish_move_process(job_id, preq, start_time, node_name, rc, type, mom_err);
free_server_attrs(&attrl);
return(rc);
} /* END send_job_work() */
int send_job_over_network_with_retries(
char *job_id,
char *job_destin,
tlist_head &attrl,
bool &attempt_to_queue_job,
bool &change_substate_on_attempt_to_queue,
bool &timeout,
const char *script_name,
bool need_to_send_job_script,
bool job_has_run,
unsigned long job_momaddr,
unsigned short job_momport,
char *stdout_path,
char *stderr_path,
char *chkpt_path,
int type,
int *my_err,
int *mom_err)
{
int con = PBS_NET_RC_UNSET;
char log_buf[LOCAL_LOG_BUF_SIZE];
int rc = LOCUTION_RETRY;
for (int NumRetries = 0; NumRetries < RETRY; NumRetries++)
{
/* connect to receiving server with retries */
if (NumRetries > 0)
{
/* recycle after an error */
if (con >= 0)
{
svr_disconnect(con);
con = PBS_NET_RC_UNSET;
}
/* check my_err from previous attempt */
if ((should_retry_route(*my_err) == -1) ||
(should_retry_route(*mom_err) == -1))
{
sprintf(log_buf, "child failed in previous commit request for job %s", job_id);
log_err(*my_err, __func__, log_buf);
break;
}
sleep(1 << NumRetries);
}
/* make sure this is zero at the point that we're retrying */
*my_err = 0;
if ((con = svr_connect(job_momaddr, job_momport, my_err, NULL, NULL)) == PBS_NET_RC_FATAL)
{
sprintf(log_buf, "send_job failed to host %s, %lx port %d",
(job_destin[0] != '\0') ? job_destin : "unknown host",
job_momaddr,
job_momport);
log_err(*my_err, __func__, log_buf);
rc = LOCUTION_FAIL;
break;
}
if (con == PBS_NET_RC_RETRY)
{
*my_err = 0; /* should retry */
continue;
}
if (con == PBS_LOCAL_CONNECTION)
{
log_err(-1, __func__, "attempting to run the job on pbs_server???");
return(PBSE_SYSTEM);
}
rc = send_job_over_network(job_id,
con,
job_destin,
attrl,
attempt_to_queue_job,
change_substate_on_attempt_to_queue,
timeout,
script_name,
need_to_send_job_script,
job_has_run,
job_momaddr,
stdout_path,
stderr_path,
chkpt_path,
type,
my_err,
mom_err);
if (rc == LOCUTION_SUCCESS)
break;
} /* END for (NumRetries) */
if (con >= 0)
svr_disconnect(con);
return(rc);
} /* END send_job_over_network_with_retries() */
/**
*
* @brief
* Send a job over the network to some other server or MOM.
* @par
* Under Linux/Unix, this starts a child process to do the work.
* Connect to the destination host and port,
* and go through the protocol to transfer the job.
* Signals are blocked.
*
* @param[in] jobp - pointer to the job being sent.
* @param[in] hostaddr - the address of host to send job to, host byte order.
* @param[in] port - the destination port, host byte order
* @param[in] move_type - the type of move (e.g. MOVE_TYPE_exec)
* @param[in] post_func - the function to execute once the child process
* sending job completes (Linux/Unix only)
* @param[in] data - input data to 'post_func'
*
* @return int
* @retval 2 parent : success (child forked)
* @retval -1 parent : on failure (pbs_errno set to error number)
* @retval SEND_JOB_OK child : 0 success, job sent
* @retval SEND_JOB_FATAL child : 1 permenent failure or rejection,
* @retval SEND_JOB_RETRY child : 2 failed but try again
* @retval SEND_JOB_NODEDW child : 3 execution node down, retry different node
*/
int
send_job(job *jobp, pbs_net_t hostaddr, int port, int move_type,
void (*post_func)(struct work_task *), struct batch_request *preq)
{
#ifdef WIN32
char cmdline[80];
pio_handles pio;
char buf[4096];
struct work_task *ptask;
int newstate;
int newsub;
long tempval;
char script_name[MAXPATHLEN+1];
int gridproxy_cred = 0;
#ifdef PBS_CRED_GRIDPROXY
if (jobp->ji_extended.ji_ext.ji_credtype == PBS_CREDTYPE_GRIDPROXY)
gridproxy_cred = 1;
#endif
if (pbs_conf.pbs_use_tcp == 1 && move_type == MOVE_TYPE_Exec && gridproxy_cred == 0) {
return (send_job_exec(jobp, hostaddr, port, preq));
}
sprintf(cmdline, "%s/sbin/pbs_send_job", pbs_conf.pbs_exec_path);
if (win_popen(cmdline, "w", &pio, NULL) == 0) {
errno = GetLastError();
pbs_errno = errno;
(void)sprintf(log_buffer, "executing %s for job %s failed errno=%d", cmdline, jobp->ji_qs.ji_jobid, errno);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_ERR,
jobp->ji_qs.ji_jobid, log_buffer);
/* force re-eval of job state out of Transit */
svr_evaljobstate(jobp, &newstate, &newsub, 1);
svr_setjobstate(jobp, newstate, newsub);
win_pclose(&pio);
return (-1);
}
ptask = set_task(WORK_Deferred_Child, (long)pio.pi.hProcess, post_func, preq);
if (!ptask) {
log_err(errno, __func__, msg_err_malloc);
errno = ENOMEM;
pbs_errno = errno;
win_pclose(&pio);
/* force re-eval of job state out of Transit */
svr_evaljobstate(jobp, &newstate, &newsub, 1);
svr_setjobstate(jobp, newstate, newsub);
return (-1);
} else {
ptask->wt_parm2 = jobp;
append_link(&((job *)jobp)->ji_svrtask, &ptask->wt_linkobj, ptask);
}
script_name[0] = '\0';
/* if job has a script read it from database */
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
/*
* copy the job script from database to a temp file
* PBSD_jscript works with a file
* delete it at the end of the send
*/
if (svr_create_tmp_jobscript(jobp, &script_name) != 0) {
pbs_errno = PBSE_SYSTEM;
snprintf(log_buffer, sizeof(log_buffer),
"Failed to create temporary job script for job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, "send_job", log_buffer);
win_pclose2(&pio);
return (-1);
}
}
addpid(pio.pi.hProcess);
/* our job is to calc eligible time accurately and save it */
/* on new server, accrue type should be calc afresh */
/* Note: if job is being sent for execution on mom, then don't calc eligible time */
if ((jobp->ji_wattr[(int)JOB_ATR_accrue_type].at_val.at_long == JOB_ELIGIBLE) &&
(server.sv_attr[(int)SRV_ATR_EligibleTimeEnable].at_val.at_long == 1) &&
(move_type != MOVE_TYPE_Exec)) {
tempval = ((long)time_now - jobp->ji_wattr[(int)JOB_ATR_sample_starttime].at_val.at_long);
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_val.at_long += tempval;
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_flags |= ATR_VFLAG_MODCACHE;
}
/* in windows code, a child process "w32_send_job" handles the send
* This needs the job information, so we save using the filesystem
* This avoids the child process from having to "connect" to the database again
* The file is deleted by the send_job child process when it has done recovering the job
*/
job_save_fs(jobp, SAVEJOB_FULLFORCE); /* so the spawned process can get a fresh copy of job */
if (*jobp->ji_qs.ji_fileprefix != '\0')
sprintf(buf, "jobfile=%s%s\n", jobp->ji_qs.ji_fileprefix, JOB_FILE_SUFFIX);
else
sprintf(buf, "jobfile=%s%s\n", jobp->ji_qs.ji_jobid, JOB_FILE_SUFFIX);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "destaddr=%ld\n", hostaddr);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "destport=%d\n", port);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "move_type=%d\n", move_type);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "in_server=%d\n", is_linked(&svr_alljobs, &jobp->ji_alljobs));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_name=%s\n", (server_name?server_name:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_host=%s\n", (server_host?server_host:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_addr=%ld\n", pbs_server_addr);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "server_port=%d\n", pbs_server_port_dis);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "log_file=%s\n", (log_file?log_file:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_log=%s\n", (path_log?path_log:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_jobs=%s\n", (path_jobs?path_jobs:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_spool=%s\n", (path_spool?path_spool:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_rescdef=%s\n", (path_rescdef?path_rescdef:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_users=%s\n", (path_users?path_users:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "path_hooks_workdir=%s\n",
(path_hooks_workdir?path_hooks_workdir:""));
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "svr_history_enable=%ld\n", svr_history_enable);
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "svr_history_duration=%ld\n", svr_history_duration);
win_pwrite(&pio, buf, strlen(buf));
if ( (server.sv_attr[SRV_ATR_ssignon_enable].at_flags & \
ATR_VFLAG_SET) && \
(server.sv_attr[SRV_ATR_ssignon_enable].at_val.at_long == 1) )
strcpy(buf, "single_signon_password_enable=1\n");
else
strcpy(buf, "single_signon_password_enable=0\n");
win_pwrite(&pio, buf, strlen(buf));
sprintf(buf, "script_name=%s\n", script_name);
win_pwrite(&pio, buf, strlen(buf));
strcpy(buf, "quit\n");
win_pwrite(&pio, buf, strlen(buf));
win_pclose2(&pio); /* closes all handles except the process handle */
return (2);
#else
pbs_list_head attrl;
enum conn_type cntype = ToServerDIS;
int con;
char *credbuf = NULL;
size_t credlen = 0;
char *destin = jobp->ji_qs.ji_destin;
int encode_type;
int i;
char job_id[PBS_MAXSVRJOBID+1];
attribute *pattr;
pid_t pid;
struct attropl *pqjatr; /* list (single) of attropl for quejob */
char script_name[MAXPATHLEN+1];
struct work_task *ptask;
struct hostent *hp;
struct in_addr addr;
long tempval;
int gridproxy_cred = 0;
int rpp = 0;
#ifdef PBS_CRED_GRIDPROXY
if (jobp->ji_extended.ji_ext.ji_credtype == PBS_CREDTYPE_GRIDPROXY)
gridproxy_cred = 1;
#endif
if (pbs_conf.pbs_use_tcp == 1 && move_type == MOVE_TYPE_Exec && gridproxy_cred == 0) {
return (send_job_exec(jobp, hostaddr, port, preq));
}
script_name[0] = '\0';
/* if job has a script read it from database */
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
/*
* copy the job script from database to a temp file
* PBSD_jscript works with a file
* delete it at the end of the send
*/
if (svr_create_tmp_jobscript(jobp, script_name) != 0) {
pbs_errno = PBSE_SYSTEM;
snprintf(log_buffer, sizeof(log_buffer),
"Failed to create temporary job script for job %s",
jobp->ji_qs.ji_jobid);
log_err(pbs_errno, "send_job", log_buffer);
return -1;
}
}
pid = fork();
if (pid == -1) { /* Error on fork */
log_err(errno, __func__, "fork failed\n");
pbs_errno = PBSE_SYSTEM;
return -1;
}
if (pid != 0) { /* The parent (main server) */
ptask = set_task(WORK_Deferred_Child, pid, post_func, preq);
if (!ptask) {
log_err(errno, __func__, msg_err_malloc);
return (-1);
} else {
ptask->wt_parm2 = jobp;
append_link(&((job *)jobp)->ji_svrtask,
&ptask->wt_linkobj, ptask);
}
return 2;
}
/*
* the child process
*
* set up signal cather for error return
*/
DBPRT(("%s: child started, sending to port %d\n", __func__, port))
rpp_terminate();
/* Unprotect child from being killed by kernel */
daemon_protect(0, PBS_DAEMON_PROTECT_OFF);
#ifdef WIN32
/* get host name */
/*
* If host address is loopback address then do not resolve with dns
* Use "localhost" as the host name.
*/
if ((htonl(hostaddr) == loopback_addr->sin_addr.s_addr)) {
(void)get_credential(LOCALHOST_SHORTNAME, jobp, PBS_GC_BATREQ,
&credbuf, &credlen);
} else {
#endif
addr.s_addr = htonl(hostaddr);
hp = gethostbyaddr((void *)&addr, sizeof(struct in_addr), AF_INET);
if (hp == NULL) {
sprintf(log_buffer, "%s: h_errno=%d",
inet_ntoa(addr), h_errno);
log_err(-1, __func__, log_buffer);
} else {
/* read any credential file */
(void)get_credential(hp->h_name, jobp, PBS_GC_BATREQ,
&credbuf, &credlen);
}
#ifdef WIN32
}
#endif
/* encode job attributes to be moved */
CLEAR_HEAD(attrl);
/* select attributes/resources to send based on move type */
if (move_type == MOVE_TYPE_Exec) {
resc_access_perm = ATR_DFLAG_MOM;
encode_type = ATR_ENCODE_MOM;
cntype = ToServerDIS;
} else {
resc_access_perm = ATR_DFLAG_USWR | ATR_DFLAG_OPWR |
ATR_DFLAG_MGWR | ATR_DFLAG_SvRD;
encode_type = ATR_ENCODE_SVR;
svr_dequejob(jobp); /* clears default resource settings */
}
/* our job is to calc eligible time accurately and save it */
/* on new server, accrue type should be calc afresh */
/* Note: if job is being sent for execution on mom, then don't calc eligible time */
if ((jobp->ji_wattr[(int)JOB_ATR_accrue_type].at_val.at_long == JOB_ELIGIBLE) &&
(server.sv_attr[(int)SRV_ATR_EligibleTimeEnable].at_val.at_long == 1) &&
(move_type != MOVE_TYPE_Exec)) {
tempval = ((long)time_now - jobp->ji_wattr[(int)JOB_ATR_sample_starttime].at_val.at_long);
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_val.at_long += tempval;
jobp->ji_wattr[(int)JOB_ATR_eligible_time].at_flags |= ATR_VFLAG_MODCACHE;
}
pattr = jobp->ji_wattr;
for (i=0; i < (int)JOB_ATR_LAST; i++) {
if ((job_attr_def+i)->at_flags & resc_access_perm) {
(void)(job_attr_def+i)->at_encode(pattr+i, &attrl,
(job_attr_def+i)->at_name, (char *)0,
encode_type, NULL);
}
}
attrl_fixlink(&attrl);
/* save the job id for when after we purge the job */
(void)strcpy(job_id, jobp->ji_qs.ji_jobid);
pbs_errno = 0;
con = -1;
for (i=0; i<RETRY; i++) {
/* connect to receiving server with retries */
if (i > 0) { /* recycle after an error */
if (con >= 0)
svr_disconnect(con);
if (should_retry_route(pbs_errno) == -1) {
/* delete the temp script file */
unlink(script_name);
exit(SEND_JOB_FATAL); /* fatal error, don't retry */
}
sleep(1<<i);
}
if ((con = svr_connect(hostaddr, port, 0, cntype, rpp)) ==
PBS_NET_RC_FATAL) {
(void)sprintf(log_buffer, "send_job failed to %lx port %d",
hostaddr, port);
log_err(pbs_errno, __func__, log_buffer);
/* delete the temp script file */
unlink(script_name);
if ((move_type == MOVE_TYPE_Exec) && (pbs_errno == PBSE_BADCRED))
exit(SEND_JOB_NODEDW);
exit(SEND_JOB_FATAL);
} else if (con == PBS_NET_RC_RETRY) {
pbs_errno = ECONNREFUSED; /* should retry */
continue;
}
/*
* if the job is substate JOB_SUBSTATE_TRNOUTCM which means
* we are recovering after being down or a late failure, we
* just want to send the commit"
*/
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUTCM) {
if (jobp->ji_qs.ji_substate != JOB_SUBSTATE_TRNOUT) {
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUT;
}
pqjatr = &((svrattrl *)GET_NEXT(attrl))->al_atopl;
if (PBSD_queuejob(con, jobp->ji_qs.ji_jobid, destin,
pqjatr, (char *)0, rpp, NULL) == 0) {
if (pbs_errno == PBSE_JOBEXIST &&
move_type == MOVE_TYPE_Exec) {
/* already running, mark it so */
log_event(PBSEVENT_ERROR, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
"Mom reports job already running");
exit(SEND_JOB_OK);
}
else if ((pbs_errno == PBSE_HOOKERROR) ||
(pbs_errno == PBSE_HOOK_REJECT) ||
(pbs_errno == PBSE_HOOK_REJECT_RERUNJOB) ||
(pbs_errno == PBSE_HOOK_REJECT_DELETEJOB)) {
char name_buf[MAXPATHLEN+1];
int rfd;
int len;
char *reject_msg;
int err;
err = pbs_errno;
reject_msg = pbs_geterrmsg(con);
(void)sprintf(log_buffer,
"send of job to %s failed error = %d reject_msg=%s",
destin, err,
reject_msg?reject_msg:"");
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
(void)strcpy(name_buf, path_hooks_workdir);
(void)strcat(name_buf, jobp->ji_qs.ji_jobid);
(void)strcat(name_buf, HOOK_REJECT_SUFFIX);
if ((reject_msg != NULL) &&
(reject_msg[0] != '\0')) {
if ((rfd = open(name_buf,
O_RDWR|O_CREAT|O_TRUNC, 0600)) == -1) {
sprintf(log_buffer,
"open of reject file %s failed: errno %d",
name_buf, errno);
log_event(PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
} else {
#ifdef WIN32
secure_file(name_buf, "Administrators",
READS_MASK|WRITES_MASK|STANDARD_RIGHTS_REQUIRED);
setmode(rfd, O_BINARY);
#endif
len = strlen(reject_msg)+1;
/* write also trailing null char */
if (write(rfd, reject_msg, len) != len) {
sprintf(log_buffer,
"write to file %s incomplete: errno %d", name_buf, errno);
log_event(PBSEVENT_JOB,
PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
}
close(rfd);
}
}
if (err == PBSE_HOOKERROR)
exit(SEND_JOB_HOOKERR);
if (err == PBSE_HOOK_REJECT)
exit(SEND_JOB_HOOK_REJECT);
if (err == PBSE_HOOK_REJECT_RERUNJOB)
exit(SEND_JOB_HOOK_REJECT_RERUNJOB);
if (err == PBSE_HOOK_REJECT_DELETEJOB)
exit(SEND_JOB_HOOK_REJECT_DELETEJOB);
}
else {
(void)sprintf(log_buffer,
"send of job to %s failed error = %d",
destin, pbs_errno);
log_event(PBSEVENT_JOB, PBS_EVENTCLASS_JOB,
LOG_INFO, jobp->ji_qs.ji_jobid,
log_buffer);
continue;
}
}
if (jobp->ji_qs.ji_svrflags & JOB_SVFLG_SCRIPT) {
if (PBSD_jscript(con, script_name, rpp, NULL) != 0)
continue;
}
if (credlen > 0) {
int ret;
ret = PBSD_jcred(con,
jobp->ji_extended.ji_ext.ji_credtype,
credbuf, credlen, rpp, NULL);
if ((ret == 0) || (i == (RETRY - 1)))
free(credbuf); /* free credbuf if cred info is sent successfully OR */
/* at the end of all retry attempts */
if (ret != 0)
continue;
}
if ((move_type == MOVE_TYPE_Exec) &&
(jobp->ji_qs.ji_svrflags & JOB_SVFLG_HASRUN) &&
(hostaddr != pbs_server_addr)) {
/* send files created on prior run */
if ((move_job_file(con, jobp, StdOut, rpp, NULL) != 0) ||
(move_job_file(con, jobp, StdErr, rpp, NULL) != 0) ||
(move_job_file(con, jobp, Chkpt, rpp, NULL) != 0))
continue;
}
jobp->ji_qs.ji_substate = JOB_SUBSTATE_TRNOUTCM;
}
if (PBSD_rdytocmt(con, job_id, rpp, NULL) != 0)
continue;
if (PBSD_commit(con, job_id, rpp, NULL) != 0) {
/* delete the temp script file */
unlink(script_name);
exit(SEND_JOB_FATAL);
}
svr_disconnect(con);
/* delete the temp script file */
unlink(script_name);
exit(SEND_JOB_OK); /* This child process is all done */
}
if (con >= 0)
svr_disconnect(con);
/*
* If connection is actively refused by the execution node(or mother superior) OR
* the execution node(or mother superior) is rejecting request with error
* PBSE_BADHOST(failing to authorize server host), the node should be marked down.
*/
if ((move_type == MOVE_TYPE_Exec) && (pbs_errno == ECONNREFUSED || pbs_errno == PBSE_BADHOST)) {
i = SEND_JOB_NODEDW;
} else if (should_retry_route(pbs_errno) == -1) {
i = SEND_JOB_FATAL;
} else {
i = SEND_JOB_RETRY;
}
(void)sprintf(log_buffer, "send_job failed with error %d", pbs_errno);
log_event(PBSEVENT_DEBUG, PBS_EVENTCLASS_JOB, LOG_NOTICE,
jobp->ji_qs.ji_jobid, log_buffer);
/* delete the temp script file */
unlink(script_name);
exit(i);
return -1; /* NOT REACHED */
#endif /* !WIN32 */
}
/**
* @brief
* Move a job to another queue in this Server.
*
* @par
* Check the destination to see if it can accept the job.
* If the job can enter the new queue, dequeue from the existing queue and
* enqueue into the new queue
*
* @par
* Note - the destination is specified by the queue's name in the
* ji_qs.ji_destin element of the job structure.
*
* param[in] jobp - pointer to job to move
* param[in] req - client request from a qmove client, null if a route
*
* @return int
* @retval 0 : success
* @retval -1 : permanent failure or rejection, see pbs_errno
* @retval 1 : failed but try again later
*/
int
local_move(job *jobp, struct batch_request *req)
{
pbs_queue *qp;
char *destination = jobp->ji_qs.ji_destin;
int mtype;
attribute *pattr;
long newtype = -1;
/* search for destination queue */
if ((qp = find_queuebyname(destination)) == NULL) {
sprintf(log_buffer,
"queue %s does not exist",
destination);
log_err(-1, __func__, log_buffer);
pbs_errno = PBSE_UNKQUE;
return -1;
}
/*
* if being moved at specific request of administrator, then
* checks on queue availability, etc. are skipped;
* otherwise all checks are enforced.
*/
if (req == NULL) {
mtype = MOVE_TYPE_Route; /* route */
} else if (req->rq_perm & (ATR_DFLAG_MGRD | ATR_DFLAG_MGWR)) {
mtype = MOVE_TYPE_MgrMv; /* privileged move */
} else {
mtype = MOVE_TYPE_Move; /* non-privileged move */
}
pbs_errno = svr_chkque(jobp, qp,
get_hostPart(jobp->ji_wattr[(int)JOB_ATR_job_owner].at_val.at_str),
mtype);
if (pbs_errno) {
/* should this queue be retried? */
return (should_retry_route(pbs_errno));
}
/* dequeue job from present queue, update destination and */
/* queue_rank for new queue and enqueue into destination */
svr_dequejob(jobp);
jobp->ji_myResv = NULL;
strncpy(jobp->ji_qs.ji_queue, qp->qu_qs.qu_name, PBS_MAXQUEUENAME);
jobp->ji_qs.ji_queue[PBS_MAXQUEUENAME] = '\0';
jobp->ji_wattr[(int)JOB_ATR_qrank].at_val.at_long = ++queue_rank;
jobp->ji_wattr[(int)JOB_ATR_qrank].at_flags |= ATR_VFLAG_MODCACHE;
pattr = &jobp->ji_wattr[(int)JOB_ATR_reserve_ID];
if (qp->qu_resvp) {
job_attr_def[(int)JOB_ATR_reserve_ID].at_decode(pattr,
(char *)0, (char *)0, qp->qu_resvp->ri_qs.ri_resvID);
jobp->ji_myResv = qp->qu_resvp;
} else {
job_attr_def[(int)JOB_ATR_reserve_ID].at_decode(pattr,
(char *)0, (char *)0, (char*)0);
}
if (server.sv_attr[(int)SRV_ATR_EligibleTimeEnable].at_val.at_long == 1) {
newtype = determine_accruetype(jobp);
if (newtype == -1)
/* unable to determine accruetype, set it to NEW */
(void)update_eligible_time(JOB_INITIAL, jobp);
else
/* found suiting accruetype, update to this */
(void)update_eligible_time(newtype, jobp);
}
if ((pbs_errno = svr_enquejob(jobp)) != 0)
return -1; /* should never ever get here */
jobp->ji_lastdest = 0; /* reset in case of another route */
(void)job_save(jobp, SAVEJOB_FULL);
/* If a scheduling cycle is in progress, then this moved job may have
* had changes resulting from the move that would impact scheduling or
* placement, add job to list of jobs which cannot be run in this cycle.
*/
if ((req == NULL || (req->rq_conn != scheduler_sock)) && (scheduler_jobs_stat))
am_jobs_add(jobp);
return 0;
}
