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crm_verify.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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <crm_internal.h>
#include <crm/crm.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <glib.h>
#include <crm/common/xml.h>
#include <crm/common/util.h>
#include <crm/msg_xml.h>
#include <crm/cib.h>
#include <crm/pengine/status.h>
gboolean USE_LIVE_CIB = FALSE;
char *cib_save = NULL;
extern gboolean stage0(pe_working_set_t * data_set);
extern void cleanup_alloc_calculations(pe_working_set_t * data_set);
extern xmlNode *do_calculations(pe_working_set_t * data_set, xmlNode * xml_input, crm_time_t * now);
/* *INDENT-OFF* */
static struct crm_option long_options[] = {
/* Top-level Options */
{"help", 0, 0, '?', "\tThis text"},
{"version", 0, 0, '$', "\tVersion information" },
{"verbose", 0, 0, 'V', "\tIncrease debug output\n"},
{"-spacer-", 1, 0, '-', "\nData sources:"},
{"live-check", 0, 0, 'L', "Check the configuration used by the running cluster\n"},
{"xml-file", 1, 0, 'x', "Check the configuration in the named file"},
{"xml-text", 1, 0, 'X', "Check the configuration in the supplied string"},
{"xml-pipe", 0, 0, 'p', "Check the configuration piped in via stdin"},
{"-spacer-", 1, 0, '-', "\nAdditional Options:"},
{"save-xml", 1, 0, 'S', "Save the verified XML to the named file. Most useful with -L"},
{"-spacer-", 1, 0, '-', "\nExamples:", pcmk_option_paragraph},
{"-spacer-", 1, 0, '-', "Check the consistency of the configuration in the running cluster:", pcmk_option_paragraph},
{"-spacer-", 1, 0, '-', " crm_verify --live-check", pcmk_option_example},
{"-spacer-", 1, 0, '-', "Check the consistency of the configuration in a given file and produce verbose output:", pcmk_option_paragraph},
{"-spacer-", 1, 0, '-', " crm_verify --xml-file file.xml --verbose", pcmk_option_example},
{0, 0, 0, 0}
};
/* *INDENT-ON* */
int
main(int argc, char **argv)
{
xmlNode *cib_object = NULL;
xmlNode *status = NULL;
int argerr = 0;
int flag;
int option_index = 0;
pe_working_set_t data_set;
cib_t *cib_conn = NULL;
int rc = pcmk_ok;
bool verbose = FALSE;
gboolean xml_stdin = FALSE;
const char *xml_tag = NULL;
const char *xml_file = NULL;
const char *xml_string = NULL;
crm_log_cli_init("crm_verify");
crm_set_options(NULL, "[modifiers] data_source", long_options,
"check a Pacemaker configuration for errors"
"\n\nCheck the well-formedness of a complete Pacemaker XML configuration,"
"\n\nits conformance to the configured schema, and the presence of common"
"\n\nmisconfigurations. Problems reported as errors must be fixed before the"
"\n\ncluster will work properly. It is left to the administrator to decide"
"\n\nwhether to fix problems reported as warnings.");
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch (flag) {
case 'X':
crm_trace("Option %c => %s", flag, optarg);
xml_string = optarg;
break;
case 'x':
crm_trace("Option %c => %s", flag, optarg);
xml_file = optarg;
break;
case 'p':
xml_stdin = TRUE;
break;
case 'S':
cib_save = optarg;
break;
case 'V':
verbose = TRUE;
crm_bump_log_level(argc, argv);
break;
case 'L':
USE_LIVE_CIB = TRUE;
break;
case '$':
case '?':
crm_help(flag, CRM_EX_OK);
break;
default:
fprintf(stderr, "Option -%c is not yet supported\n", 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_err("%d errors in option parsing", argerr);
crm_help(flag, CRM_EX_USAGE);
}
crm_info("=#=#=#=#= Getting XML =#=#=#=#=");
if (USE_LIVE_CIB) {
cib_conn = cib_new();
rc = cib_conn->cmds->signon(cib_conn, crm_system_name, cib_command);
}
if (USE_LIVE_CIB) {
if (rc == pcmk_ok) {
int options = cib_scope_local | cib_sync_call;
crm_info("Reading XML from: live cluster");
rc = cib_conn->cmds->query(cib_conn, NULL, &cib_object, options);
}
if (rc != pcmk_ok) {
fprintf(stderr, "Live CIB query failed: %s\n", pcmk_strerror(rc));
goto done;
}
if (cib_object == NULL) {
fprintf(stderr, "Live CIB query failed: empty result\n");
rc = -ENOMSG;
goto done;
}
} else if (xml_file != NULL) {
cib_object = filename2xml(xml_file);
if (cib_object == NULL) {
fprintf(stderr, "Couldn't parse input file: %s\n", xml_file);
rc = -ENODATA;
goto done;
}
} else if (xml_string != NULL) {
cib_object = string2xml(xml_string);
if (cib_object == NULL) {
fprintf(stderr, "Couldn't parse input string: %s\n", xml_string);
rc = -ENODATA;
goto done;
}
} else if (xml_stdin) {
cib_object = stdin2xml();
if (cib_object == NULL) {
fprintf(stderr, "Couldn't parse input from STDIN.\n");
rc = -ENODATA;
goto done;
}
} else {
fprintf(stderr, "No configuration source specified."
" Use --help for usage information.\n");
rc = -ENODATA;
goto done;
}
xml_tag = crm_element_name(cib_object);
if (safe_str_neq(xml_tag, XML_TAG_CIB)) {
fprintf(stderr,
"This tool can only check complete configurations (i.e. those starting with <cib>).\n");
rc = -EBADMSG;
goto done;
}
if (cib_save != NULL) {
write_xml_file(cib_object, cib_save, FALSE);
}
status = get_object_root(XML_CIB_TAG_STATUS, cib_object);
if (status == NULL) {
create_xml_node(cib_object, XML_CIB_TAG_STATUS);
}
if (validate_xml(cib_object, NULL, FALSE) == FALSE) {
crm_config_err("CIB did not pass schema validation");
free_xml(cib_object);
cib_object = NULL;
} else if (cli_config_update(&cib_object, NULL, FALSE) == FALSE) {
crm_config_error = TRUE;
free_xml(cib_object);
cib_object = NULL;
fprintf(stderr, "The cluster will NOT be able to use this configuration.\n");
fprintf(stderr, "Please manually update the configuration to conform to the %s syntax.\n",
xml_latest_schema());
}
set_working_set_defaults(&data_set);
if (cib_object == NULL) {
} else if (status != NULL || USE_LIVE_CIB) {
/* live queries will always have a status section and can do a full simulation */
do_calculations(&data_set, cib_object, NULL);
cleanup_alloc_calculations(&data_set);
} else {
data_set.now = crm_time_new(NULL);
data_set.input = cib_object;
stage0(&data_set);
cleanup_alloc_calculations(&data_set);
}
if (crm_config_error) {
fprintf(stderr, "Errors found during check: config not valid\n");
if (verbose == FALSE) {
fprintf(stderr, " -V may provide more details\n");
}
rc = -pcmk_err_generic;
} else if (crm_config_warning) {
fprintf(stderr, "Warnings found during check: config may not be valid\n");
if (verbose == FALSE) {
fprintf(stderr, " Use -V for more details\n");
}
rc = -pcmk_err_generic;
}
if (USE_LIVE_CIB && cib_conn) {
cib_conn->cmds->signoff(cib_conn);
cib_delete(cib_conn);
}
done:
return rc;
}

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