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diff --git a/crm/admin/crm_mon.c b/crm/admin/crm_mon.c
index 5eebd1cd95..2f540b6501 100644
--- a/crm/admin/crm_mon.c
+++ b/crm/admin/crm_mon.c
@@ -1,830 +1,830 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <crm_internal.h>
#include <sys/param.h>
#include <crm/crm.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <clplumbing/uids.h>
#include <clplumbing/cl_pidfile.h>
#include <clplumbing/Gmain_timeout.h>
#include <crm/msg_xml.h>
#include <crm/common/util.h>
#include <crm/common/xml.h>
#include <crm/common/ctrl.h>
#include <crm/common/ipc.h>
#include <crm/cib.h>
#include <crm/pengine/status.h>
#include <lib/crm/pengine/unpack.h>
#ifdef HAVE_GETOPT_H
# include <getopt.h>
#endif
/* GMainLoop *mainloop = NULL; */
#define OPTARGS "V?i:nrh:cdp:s1wX:"
void usage(const char *cmd, int exit_status);
void blank_screen(void);
int print_status(xmlNode *cib);
void print_warn(const char *descr);
int print_simple_status(xmlNode *cib);
/* #define printw_at(line, fmt...) move(line, 0); printw(fmt); line++ */
void wait_for_refresh(int offset, const char *prefix, int msec);
int print_html_status(xmlNode *cib, const char *filename, gboolean web_cgi);
void make_daemon(gboolean daemonize, const char *pidfile);
gboolean mon_timer_popped(gpointer data);
void mon_update(xmlNode*, int, int, xmlNode*,void*);
char *xml_file = NULL;
char *as_html_file = NULL;
char *pid_file = NULL;
gboolean as_console = FALSE;
gboolean simple_status = FALSE;
gboolean group_by_node = FALSE;
gboolean inactive_resources = FALSE;
gboolean web_cgi = FALSE;
int interval = 15000;
gboolean daemonize = FALSE;
GMainLoop* mainloop = NULL;
guint timer_id = 0;
cib_t *cib_conn = NULL;
int failed_connections = 0;
gboolean one_shot = FALSE;
gboolean has_warnings = FALSE;
#if CURSES_ENABLED
# define print_as(fmt...) if(as_console) { \
printw(fmt); \
} else { \
fprintf(stdout, fmt); \
}
#else
# define print_as(fmt...) fprintf(stdout, fmt);
#endif
int
main(int argc, char **argv)
{
int argerr = 0;
int flag;
#ifdef HAVE_GETOPT_H
int option_index = 0;
static struct option long_options[] = {
/* Top-level Options */
{"verbose", 0, 0, 'V'},
{"help", 0, 0, '?'},
{"interval", 1, 0, 'i'},
{"group-by-node", 0, 0, 'n'},
{"inactive", 0, 0, 'r'},
{"as-html", 1, 0, 'h'},
{"web-cgi", 0, 0, 'w'},
{"simple-status", 0, 0, 's'},
{"as-console", 0, 0, 'c'},
{"one-shot", 0, 0, '1'},
{"daemonize", 0, 0, 'd'},
{"pid-file", 0, 0, 'p'},
{"xml-file", 1, 0, 'X'},
{0, 0, 0, 0}
};
#endif
pid_file = crm_strdup("/tmp/ClusterMon.pid");
crm_log_init(basename(argv[0]), LOG_ERR-1, FALSE, FALSE, 0, NULL);
if (strcmp(crm_system_name, "crm_mon.cgi")==0) {
web_cgi = TRUE;
one_shot = TRUE;
}
while (1) {
#ifdef HAVE_GETOPT_H
flag = getopt_long(argc, argv, OPTARGS,
long_options, &option_index);
#else
flag = getopt(argc, argv, OPTARGS);
#endif
if (flag == -1)
break;
switch(flag) {
case 'V':
cl_log_enable_stderr(TRUE);
alter_debug(DEBUG_INC);
break;
case 'i':
interval = crm_get_msec(optarg);
break;
case 'n':
group_by_node = TRUE;
break;
case 'r':
inactive_resources = TRUE;
break;
case 'd':
daemonize = TRUE;
break;
case 'p':
pid_file = crm_strdup(optarg);
break;
case 'X':
xml_file = crm_strdup(optarg);
one_shot = TRUE;
break;
case 'h':
as_html_file = crm_strdup(optarg);
break;
case 'w':
web_cgi = TRUE;
one_shot = TRUE;
break;
case 'c':
#if CURSES_ENABLED
as_console = TRUE;
#else
printf("You need to have curses available at compile time to enable console mode\n");
argerr++;
#endif
break;
case 's':
simple_status = TRUE;
one_shot = TRUE;
break;
case '1':
one_shot = TRUE;
break;
default:
printf("Argument code 0%o (%c) is not (?yet?) supported\n", flag, flag);
++argerr;
break;
}
}
if (optind < argc) {
printf("non-option ARGV-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
if (argerr) {
usage(crm_system_name, LSB_EXIT_GENERIC);
}
if(as_html_file == NULL && !web_cgi && !simple_status) {
#if CURSES_ENABLED
as_console = TRUE;
#else
printf("Defaulting to one-shot mode\n");
printf("You need to have curses available at compile time to enable console mode\n");
one_shot = TRUE;
#endif
}
if(daemonize) {
as_console = FALSE;
}
if(one_shot) {
daemonize = FALSE;
as_console = FALSE;
}
if(daemonize && as_html_file == NULL) {
usage(crm_system_name, LSB_EXIT_GENERIC);
}
make_daemon(daemonize, pid_file);
#if CURSES_ENABLED
if(as_console) {
initscr();
cbreak();
noecho();
}
#endif
crm_info("Starting %s", crm_system_name);
mainloop = g_main_new(FALSE);
if(one_shot == FALSE) {
timer_id = Gmain_timeout_add(
interval, mon_timer_popped, NULL);
} else if(xml_file != NULL) {
FILE *xml_strm = fopen(xml_file, "r");
xmlNode *cib_object = NULL;
if(strstr(xml_file, ".bz2") != NULL) {
cib_object = file2xml(xml_strm, TRUE);
} else {
cib_object = file2xml(xml_strm, FALSE);
}
if(xml_strm != NULL) {
fclose(xml_strm);
}
one_shot = TRUE;
mon_update(NULL, 0, cib_ok, cib_object, NULL);
}
mon_timer_popped(NULL);
g_main_run(mainloop);
return_to_orig_privs();
crm_info("Exiting %s", crm_system_name);
#if CURSES_ENABLED
if(as_console) {
echo();
nocbreak();
endwin();
}
#endif
return 0;
}
gboolean
mon_timer_popped(gpointer data)
{
int rc = cib_ok;
int options = cib_scope_local;
if(timer_id > 0) {
Gmain_timeout_remove(timer_id);
}
if(as_console) {
#if CURSES_ENABLED
move(0, 0);
printw("Updating...\n");
clrtoeol();
refresh();
#endif
} else {
crm_notice("Updating...");
}
if(cib_conn == NULL) {
crm_debug_4("Creating CIB connection");
cib_conn = cib_new();
}
CRM_DEV_ASSERT(cib_conn != NULL);
if(crm_assert_failed) {
return FALSE;
} else if(cib_conn->state != cib_connected_query){
crm_debug_4("Connecting to the CIB");
#if CURSES_ENABLED
if(as_console) {
printw("Signing on...\n");
clrtoeol();
refresh();
}
#endif
if(cib_ok == cib_conn->cmds->signon(
cib_conn, crm_system_name, cib_query)) {
failed_connections = 0;
} else if (simple_status || one_shot) {
fprintf(stdout, "Critical: Unable to connect to the CIB\n");
exit(2);
} else {
failed_connections++;
CRM_DEV_ASSERT(cib_conn->cmds->signoff(cib_conn) == cib_ok);
wait_for_refresh(0, "Not connected: ", 2*interval);
return FALSE;
}
#if CURSES_ENABLED
if(as_console) {
printw("Querying...\n");
clrtoeol();
refresh();
}
#endif
}
if(as_console) { blank_screen(); }
rc = cib_conn->cmds->query(cib_conn, NULL, NULL, options);
add_cib_op_callback(rc, FALSE, NULL, mon_update);
return FALSE;
}
void
mon_update(xmlNode *msg, int call_id, int rc,
xmlNode *output, void*user_data)
{
const char *prefix = NULL;
if(rc == cib_ok) {
xmlNode *cib = NULL;
#if CRM_DEPRECATED_SINCE_2_0_4
if( safe_str_eq(crm_element_name(output), XML_TAG_CIB) ) {
cib = output;
} else {
cib = find_xml_node(output,XML_TAG_CIB,TRUE);
}
#else
cib = output;
CRM_DEV_ASSERT(safe_str_eq(crm_element_name(cib), XML_TAG_CIB));
#endif
if(as_html_file || web_cgi) {
print_html_status(cib, as_html_file, web_cgi);
} else if (simple_status) {
print_simple_status(cib);
if (has_warnings) {
exit(1);
}
} else {
print_status(cib);
}
if(one_shot) {
exit(LSB_EXIT_OK);
}
} else if(simple_status) {
fprintf(stderr, "Critical: query failed: %s", cib_error2string(rc));
exit(2);
} else if(one_shot) {
fprintf(stderr, "Query failed: %s", cib_error2string(rc));
exit(LSB_EXIT_OK);
} else {
CRM_DEV_ASSERT(cib_conn->cmds->signoff(cib_conn) == cib_ok);
crm_err("Query failed: %s", cib_error2string(rc));
prefix = "Query failed! ";
}
wait_for_refresh(0, prefix, interval);
}
void
wait_for_refresh(int offset, const char *prefix, int msec)
{
int lpc = msec / 1000;
if(as_console == FALSE) {
timer_id = Gmain_timeout_add(msec, mon_timer_popped, NULL);
return;
}
crm_notice("%sRefresh in %ds...", prefix?prefix:"", lpc);
while(lpc > 0) {
#if CURSES_ENABLED
move(0, 0);
/* printw("%sRefresh in \033[01;32m%ds\033[00m...", prefix?prefix:"", lpc); */
printw("%sRefresh in %ds...\n", prefix?prefix:"", lpc);
clrtoeol();
refresh();
#endif
lpc--;
if(lpc == 0) {
timer_id = Gmain_timeout_add(
1000, mon_timer_popped, NULL);
} else {
sleep(1);
}
}
}
#define mon_warn(fmt...) do { \
if (!has_warnings) { \
print_as("Warning:"); \
} else { \
print_as(","); \
} \
print_as(fmt); \
has_warnings = TRUE; \
} while(0)
int
print_simple_status(xmlNode *cib)
{
node_t *dc = NULL;
int nodes_online = 0;
int nodes_standby = 0;
pe_working_set_t data_set;
set_working_set_defaults(&data_set);
data_set.input = cib;
cluster_status(&data_set);
dc = data_set.dc_node;
if(dc == NULL) {
mon_warn("No DC ");
}
slist_iter(node, node_t, data_set.nodes, lpc2,
if(node->details->standby) {
nodes_standby++;
} else if(node->details->online) {
nodes_online++;
} else {
mon_warn("offline node: %s", node->details->uname);
}
);
if (!has_warnings) {
print_as("Ok: %d nodes online", nodes_online);
if (nodes_standby > 0) {
print_as(", %d standby nodes", nodes_standby);
}
print_as(", %d resources configured",
g_list_length(data_set.resources));
}
print_as("\n");
data_set.input = NULL;
cleanup_calculations(&data_set);
return 0;
}
int
print_status(xmlNode *cib)
{
node_t *dc = NULL;
static int updates = 0;
pe_working_set_t data_set;
char *since_epoch = NULL;
time_t a_time = time(NULL);
int configured_resources = 0;
int print_opts = pe_print_ncurses;
if(as_console) {
blank_screen();
} else {
print_opts = pe_print_printf;
}
updates++;
set_working_set_defaults(&data_set);
data_set.input = cib;
cluster_status(&data_set);
dc = data_set.dc_node;
print_as("\n\n============\n");
if(a_time == (time_t)-1) {
cl_perror("set_node_tstamp(): Invalid time returned");
return 1;
}
since_epoch = ctime(&a_time);
if(since_epoch != NULL) {
print_as("Last updated: %s", since_epoch);
}
if(dc == NULL) {
print_as("Current DC: NONE\n");
} else {
print_as("Current DC: %s (%s)\n",
dc->details->uname, dc->details->id);
}
slist_iter(rsc, resource_t, data_set.resources, lpc,
if(is_not_set(rsc->flags, pe_rsc_orphan)) {
configured_resources++;
}
);
print_as("%d Nodes configured.\n", g_list_length(data_set.nodes));
print_as("%d Resources configured.\n", configured_resources);
print_as("============\n\n");
slist_iter(node, node_t, data_set.nodes, lpc2,
const char *node_mode = "OFFLINE";
if(node->details->standby && node->details->online) {
node_mode = "standby";
} else if(node->details->standby) {
- node_mode = "OFFLINE(standby)";
+ node_mode = "OFFLINE (standby)";
} else if(node->details->online) {
node_mode = "online";
}
print_as("Node: %s (%s): %s\n",
node->details->uname, node->details->id,
node_mode);
if(group_by_node) {
slist_iter(rsc, resource_t,
node->details->running_rsc, lpc2,
rsc->fns->print(
rsc, "\t", print_opts|pe_print_rsconly, stdout);
);
}
);
if(group_by_node == FALSE && inactive_resources) {
print_as("\nFull list of resources:\n");
} else if(inactive_resources) {
print_as("\nInactive resources:\n");
}
if(group_by_node == FALSE || inactive_resources) {
print_as("\n");
slist_iter(rsc, resource_t, data_set.resources, lpc2,
gboolean is_active = rsc->fns->active(rsc, TRUE);
gboolean partially_active = rsc->fns->active(rsc, FALSE);
if(is_set(rsc->flags, pe_rsc_orphan) && is_active == FALSE) {
continue;
} else if(group_by_node == FALSE) {
if(partially_active || inactive_resources) {
rsc->fns->print(rsc, NULL, print_opts, stdout);
}
} else if(is_active == FALSE && inactive_resources) {
rsc->fns->print(rsc, NULL, print_opts, stdout);
}
);
}
if(xml_has_children(data_set.failed)) {
print_as("\nFailed actions:\n");
xml_child_iter(data_set.failed, xml_op,
const char *id = ID(xml_op);
const char *rc = crm_element_value(xml_op, XML_LRM_ATTR_RC);
const char *node = crm_element_value(xml_op, XML_ATTR_UNAME);
const char *last = crm_element_value(xml_op, "last_run");
const char *call = crm_element_value(xml_op, XML_LRM_ATTR_CALLID);
const char *status_s = crm_element_value(xml_op, XML_LRM_ATTR_OPSTATUS);
int status = crm_parse_int(status_s, "0");
print_as(" %s (node=%s, call=%s, rc=%s",
id, node, call, rc);
if(last) {
time_t run_at = crm_parse_int(last, "0");
print_as(", last-run=%s, queued=%sms, exec=%sms\n",
ctime(&run_at),
crm_element_value(xml_op, "exec_time"),
crm_element_value(xml_op, "queue_time"));
}
print_as("): %s\n", op_status2text(status));
);
}
#if CURSES_ENABLED
if(as_console) {
refresh();
}
#endif
data_set.input = NULL;
cleanup_calculations(&data_set);
return 0;
}
int
print_html_status(xmlNode *cib, const char *filename, gboolean web_cgi)
{
FILE *stream;
node_t *dc = NULL;
static int updates = 0;
pe_working_set_t data_set;
char *filename_tmp = NULL;
if (web_cgi) {
stream=stdout;
fprintf(stream, "Content-type: text/html\n\n");
} else {
filename_tmp = crm_concat(filename, "tmp", '.');
stream = fopen(filename_tmp, "w");
cl_perror("Cannot open %s for writing", filename_tmp);
if(stream == NULL) {
crm_free(filename_tmp);
return -1;
}
}
updates++;
set_working_set_defaults(&data_set);
data_set.input = cib;
cluster_status(&data_set);
dc = data_set.dc_node;
fprintf(stream, "<html>");
fprintf(stream, "<head>");
fprintf(stream, "<title>Cluster status</title>");
/* content="%d;url=http://webdesign.about.com" */
fprintf(stream,
"<meta http-equiv=\"refresh\" content=\"%d\">", interval);
fprintf(stream, "</head>");
/*** SUMMARY ***/
fprintf(stream, "<h2>Cluster summary</h2>");
{
char *now_str = NULL;
time_t now = time(NULL);
now_str = ctime(&now);
now_str[24] = EOS; /* replace the newline */
fprintf(stream, "Last updated: <b>%s</b><br/>\n", now_str);
}
if(dc == NULL) {
fprintf(stream, "Current DC: <font color=\"red\"><b>NONE</b></font><br/>");
} else {
fprintf(stream, "Current DC: %s (%s)<br/>",
dc->details->uname, dc->details->id);
}
fprintf(stream, "%d Nodes configured.<br/>",
g_list_length(data_set.nodes));
fprintf(stream, "%d Resources configured.<br/>",
g_list_length(data_set.resources));
/*** CONFIG ***/
fprintf(stream, "<h3>Config Options</h3>\n");
fprintf(stream, "<table>\n");
fprintf(stream, "<tr><td>Default resource stickiness</td><td>:</td><td>%d</td></tr>\n",
data_set.default_resource_stickiness);
fprintf(stream, "<tr><td>STONITH of failed nodes</td><td>:</td><td>%s</td></tr>\n",
data_set.stonith_enabled?"enabled":"disabled");
fprintf(stream, "<tr><td>Cluster is</td><td>:</td><td>%ssymmetric</td></tr>\n",
data_set.symmetric_cluster?"":"a-");
fprintf(stream, "<tr><td>No Quorum Policy</td><td>:</td><td>");
switch (data_set.no_quorum_policy) {
case no_quorum_freeze:
fprintf(stream, "Freeze resources");
break;
case no_quorum_stop:
fprintf(stream, "Stop ALL resources");
break;
case no_quorum_ignore:
fprintf(stream, "Ignore");
break;
}
fprintf(stream, "\n</td></tr>\n</table>\n");
/*** NODE LIST ***/
fprintf(stream, "<h2>Node List</h2>\n");
fprintf(stream, "<ul>\n");
slist_iter(node, node_t, data_set.nodes, lpc2,
fprintf(stream, "<li>");
fprintf(stream, "Node: %s (%s): %s",
node->details->uname, node->details->id,
node->details->online?"<font color=\"green\">online</font>\n":"<font color=\"orange\"><b>OFFLINE</b></font>\n");
if(group_by_node) {
fprintf(stream, "<ul>\n");
slist_iter(rsc, resource_t,
node->details->running_rsc, lpc2,
fprintf(stream, "<li>");
rsc->fns->print(rsc, NULL,
pe_print_html, stream);
fprintf(stream, "</li>\n");
);
fprintf(stream, "</ul>\n");
}
fprintf(stream, "</li>\n");
);
fprintf(stream, "</ul>\n");
if(group_by_node && inactive_resources) {
fprintf(stream, "<h2>(Partially) Inactive Resources</h2>\n");
} else if(group_by_node == FALSE) {
fprintf(stream, "<h2>Resource List</h2>\n");
}
if(group_by_node == FALSE || inactive_resources) {
slist_iter(rsc, resource_t, data_set.resources, lpc2,
if(group_by_node && rsc->fns->active(rsc, TRUE)) {
continue;
}
rsc->fns->print(rsc, NULL, pe_print_html, stream);
);
}
data_set.input = NULL;
cleanup_calculations(&data_set);
fprintf(stream, "</html>");
fflush(stream);
fclose(stream);
if (!web_cgi) {
if(rename(filename_tmp, filename) != 0) {
cl_perror("Unable to rename %s->%s", filename_tmp, filename);
}
crm_free(filename_tmp);
}
return 0;
}
void
blank_screen(void)
{
#if CURSES_ENABLED
int lpc = 0;
for(lpc = 0; lpc < LINES; lpc++) {
move(lpc, 0);
clrtoeol();
}
move(0, 0);
#endif
}
void
usage(const char *cmd, int exit_status)
{
FILE *stream;
stream = exit_status ? stderr : stdout;
fprintf(stream, "usage: %s [-%s]\n", cmd, OPTARGS);
fprintf(stream, "\t--%s (-%c) \t: This text\n", "help", '?');
fprintf(stream, "\t--%s (-%c) \t: Increase the debug output\n", "verbose", 'V');
fprintf(stream, "\t--%s (-%c) <seconds>\t: Update frequency\n", "interval", 'i');
fprintf(stream, "\t--%s (-%c) \t:Group resources by node\n", "group-by-node", 'n');
fprintf(stream, "\t--%s (-%c) \t:Display inactive resources\n", "inactive", 'r');
fprintf(stream, "\t--%s (-%c) \t: Display cluster status on the console\n", "as-console", 'c');
fprintf(stream, "\t--%s (-%c) \t: Display the cluster status once as "
"a simple one line output (suitable for nagios)\n", "simple-status", 's');
fprintf(stream, "\t--%s (-%c) \t: Display the cluster status once on "
"the console and exit (doesnt use ncurses)\n", "one-shot", '1');
fprintf(stream, "\t--%s (-%c) <filename>\t: Write cluster status to the named file\n", "as-html", 'h');
fprintf(stream, "\t--%s (-%c) \t: Web mode with output suitable for cgi\n", "web-cgi", 'w');
fprintf(stream, "\t--%s (-%c) \t: Run in the background as a daemon\n", "daemonize", 'd');
fprintf(stream, "\t--%s (-%c) <filename>\t: Daemon pid file location\n", "pid-file", 'p');
fflush(stream);
exit(exit_status);
}
void
make_daemon(gboolean daemonize, const char *pidfile)
{
long pid;
const char *devnull = "/dev/null";
if (daemonize == FALSE){
return;
}
pid = fork();
if (pid < 0) {
fprintf(stderr, "%s: could not start daemon\n",
crm_system_name);
perror("fork");
exit(LSB_EXIT_GENERIC);
} else if (pid > 0) {
exit(LSB_EXIT_OK);
}
if (cl_lock_pidfile(pidfile) < 0 ){
pid = cl_read_pidfile(pidfile);
fprintf(stderr, "%s: already running [pid %ld].\n",
crm_system_name, pid);
exit(LSB_EXIT_OK);
}
umask(022);
close(0);
close(1);
close(2);
(void)open(devnull, O_RDONLY); /* Stdin: fd 0 */
(void)open(devnull, O_WRONLY); /* Stdout: fd 1 */
(void)open(devnull, O_WRONLY); /* Stderr: fd 2 */
}

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