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crm_attribute.c
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/*
* 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 <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <time.h>
#include <sys/param.h>
#include <sys/types.h>
#include <crm/crm.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/common/ipc.h>
#include <crm/cib.h>
#include <sys/utsname.h>
#include <attrd.h>
gboolean BE_QUIET = FALSE;
char command = 'G';
char *dest_uname = NULL;
char *dest_node = NULL;
char *set_name = NULL;
char *attr_id = NULL;
char *attr_name = NULL;
const char *type = NULL;
const char *rsc_id = NULL;
const char *attr_value = NULL;
const char *attr_default = NULL;
static struct crm_option long_options[] = {
/* Top-level Options */
{"help", 0, 0, '?', "This text"},
{"version", 0, 0, '$', "Version information" },
{"verbose", 0, 0, 'V', "Increase debug output\n"},
{"quiet", 0, 0, 'Q', "Print only the value on stdout\n"},
{"attr-name", 1, 0, 'n', "Name of the attribute/option to operate on\n"},
{"-spacer-", 0, 0, '-', "\nCommands:"},
{"query", 0, 0, 'G', "Query the current value of the attribute/option"},
{"update", 1, 0, 'v', "Update the value of the attribute/option"},
{"delete", 0, 0, 'D', "Delete the attribute/option"},
{"-spacer-", 0, 0, '-', "\nCommand Modifiers:"},
{"node", 1, 0, 'N', "Set the value for a node other than this one"},
{"type", 1, 0, 't', "Which part of the configuration to update/delete/query the option in."},
{"-spacer-", 0, 0, '-', "\tValid values: crm_config, rsc_defaults, op_defaults"},
{"lifetime", 1, 0, 'l', "Lifetime of the node attribute."},
{"-spacer-", 0, 0, '-', "\tValid values: reboot, forever"},
{"set-name", 1, 0, 's', "(Advanced) The attribute set in which to place the value"},
{"attr-id", 1, 0, 'i', "(Advanced) The ID used to identify the attribute"},
{"default", 1, 0, 'd', "(Advanced) The default value to display if none is found in the configuration"},
{"inhibit-policy-engine", 0, 0, '!', NULL, 1},
/* legacy */
{"node-uname", 1, 0, 'U', NULL, 1},
{"node-uuid", 1, 0, 'u', NULL, 1},
{"get-value", 0, 0, 'G', NULL, 1},
{"delete-attr", 0, 0, 'D', NULL, 1},
{"attr-value", 1, 0, 'v', NULL, 1},
{0, 0, 0, 0}
};
int
main(int argc, char **argv)
{
cib_t * the_cib = NULL;
enum cib_errors rc = cib_ok;
int cib_opts = cib_sync_call;
int argerr = 0;
int flag;
int option_index = 0;
crm_log_init(basename(argv[0]), LOG_ERR, FALSE, FALSE, argc, argv);
crm_set_options("V?$GDQN:U:u:s:n:v:l:t:i:!r:d:", "{command} -n {attribute} [-t|-l] [options]", long_options, "Manage node's attributes and cluster options."
"\n Allows node attributes and cluster options to be queried, modified and deleted.");
if(argc < 2) {
crm_help('?', LSB_EXIT_EINVAL);
}
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch(flag) {
case 'V':
cl_log_enable_stderr(TRUE);
alter_debug(DEBUG_INC);
break;
case '$':
case '?':
crm_help(flag, LSB_EXIT_OK);
break;
case 'D':
case 'G':
case 'v':
command = flag;
attr_value = optarg;
break;
case 'Q':
BE_QUIET = TRUE;
break;
case 'U':
case 'N':
dest_uname = crm_strdup(optarg);
break;
case 'u':
dest_node = crm_strdup(optarg);
break;
case 's':
set_name = crm_strdup(optarg);
break;
case 'l':
case 't':
type = optarg;
break;
case 'n':
attr_name = crm_strdup(optarg);
break;
case 'i':
attr_id = crm_strdup(optarg);
break;
case 'r':
rsc_id = optarg;
break;
case 'd':
attr_default = optarg;
break;
case '!':
crm_warn("Inhibiting notifications for this update");
cib_opts |= cib_inhibit_notify;
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 (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', LSB_EXIT_GENERIC);
}
the_cib = cib_new();
rc = the_cib->cmds->signon(the_cib, crm_system_name, cib_command);
if(rc != cib_ok) {
fprintf(stderr, "Error signing on to the CIB service: %s\n", cib_error2string(rc));
return rc;
}
if(safe_str_eq(type, "reboot")) {
type = XML_CIB_TAG_STATUS;
} else if(safe_str_eq(type, "forever")) {
type = XML_CIB_TAG_NODES;
}
if(type == NULL && dest_uname == NULL) {
/* we're updating cluster options - dont populate dest_node */
type = XML_CIB_TAG_CRMCONFIG;
} else {
determine_host(the_cib, &dest_uname, &dest_node);
}
if(rc != cib_ok) {
crm_info("Error during setup of %s=%s update", attr_name, command=='D'?"<none>":attr_value);
} else if( (command=='v' || command=='D')
&& safe_str_eq(type, XML_CIB_TAG_STATUS)
&& attrd_lazy_update(command, dest_uname, attr_name, attr_value, type, set_name, NULL)) {
crm_info("Update %s=%s sent via attrd", attr_name, command=='D'?"<none>":attr_value);
} else if(command=='D') {
rc = delete_attr(the_cib, cib_opts, type, dest_node, set_name,
attr_id, attr_name, attr_value, TRUE);
if(rc == cib_NOTEXISTS) {
/* Nothing to delete...
* which means its not there...
* which is what the admin wanted
*/
rc = cib_ok;
} else if(rc != cib_missing_data
&& safe_str_eq(crm_system_name, "crm_failcount")) {
char *now_s = NULL;
time_t now = time(NULL);
now_s = crm_itoa(now);
update_attr(the_cib, cib_sync_call,
XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL,
"last-lrm-refresh", now_s, TRUE);
crm_free(now_s);
}
} else if(command=='v') {
CRM_DEV_ASSERT(type != NULL);
CRM_DEV_ASSERT(attr_name != NULL);
CRM_DEV_ASSERT(attr_value != NULL);
rc = update_attr(the_cib, cib_opts, type, dest_node, set_name,
attr_id, attr_name, attr_value, TRUE);
} else /* query */ {
char *read_value = NULL;
rc = read_attr(the_cib, type, dest_node, set_name,
attr_id, attr_name, &read_value, TRUE);
if(rc == cib_NOTEXISTS && attr_default) {
read_value = crm_strdup(attr_default);
rc = cib_ok;
}
crm_info("Read %s=%s %s%s",
attr_name, crm_str(read_value),
set_name?"in ":"", set_name?set_name:"");
if(rc == cib_missing_data) {
rc = cib_ok;
} else if(BE_QUIET == FALSE) {
fprintf(stdout, "%s%s %s%s %s%s value=%s\n",
type?"scope=":"", type?type:"",
attr_id?"id=":"", attr_id?attr_id:"",
attr_name?"name=":"", attr_name?attr_name:"",
read_value?read_value:"(null)");
} else if(read_value != NULL) {
fprintf(stdout, "%s\n", read_value);
}
}
the_cib->cmds->signoff(the_cib);
if(rc == cib_missing_data) {
printf("Please choose from one of the matches above and suppy the 'id' with --attr-id\n");
} else if(rc != cib_ok) {
fprintf(stderr, "Error performing operation: %s\n",
cib_error2string(rc));
}
return rc;
}

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