105 lines
3.3 KiB
C
105 lines
3.3 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2016 Olof Hagsand and Benny Holmgren
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Copyright (C) 2017-2019 Olof Hagsand
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Copyright (C) 2020-2021 Olof Hagsand and Rubicon Communications, LLC(Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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*/
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#ifdef HAVE_CONFIG_H
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#include "clixon_config.h" /* generated by config & autoconf */
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#endif
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#include <stdlib.h>
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#include <errno.h>
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#include <syslog.h>
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/* cligen */
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#include <cligen/cligen.h>
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/* clixon */
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#include <clixon/clixon.h>
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#include "clixon_backend_commit.h"
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#include "backend_failsafe.h"
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/*! Reset running and start in failsafe mode. If no failsafe then quit.
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Typically done when startup status is not OK so
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failsafe ----------------------+
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reset \ commit
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running ----|-------+---------------> RUNNING FAILSAFE
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\
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tmp |---------------------->
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*/
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int
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load_failsafe(clicon_handle h, char *phase)
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{
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int retval = -1;
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int ret;
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char *db = "failsafe";
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cbuf *cbret = NULL;
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phase = phase == NULL ? "(unknown)" : phase;
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if ((cbret = cbuf_new()) == NULL){
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clicon_err(OE_XML, errno, "cbuf_new");
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goto done;
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}
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if ((ret = xmldb_exists(h, db)) < 0)
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goto done;
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if (ret == 0){ /* No it does not exist, fail */
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clicon_err(OE_DB, 0, "%s failed and no Failsafe database found, exiting", phase);
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goto done;
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}
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/* Copy original running to tmp as backup (restore if error) */
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if (xmldb_copy(h, "running", "tmp") < 0)
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goto done;
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if (xmldb_db_reset(h, "running") < 0)
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goto done;
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ret = candidate_commit(h, db, cbret);
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if (ret != 1)
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if (xmldb_copy(h, "tmp", "running") < 0)
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goto done;
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if (ret < 0)
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goto done;
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if (ret == 0){
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clicon_err(OE_DB, 0, "%s failed, Failsafe database validation failed %s", phase, cbuf_get(cbret));
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goto done;
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}
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clicon_log(LOG_NOTICE, "%s failed, Failsafe database loaded ", phase);
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retval = 0;
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done:
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if (cbret)
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cbuf_free(cbret);
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return retval;
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}
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