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/*
Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include "globals.h"
#include "run.h"
#include "glusterd.h"
#include "glusterfs.h"
#include "glusterd-utils.h"
#include "glusterd-svc-mgmt.h"
#include "glusterd-shd-svc.h"
#include "glusterd-quotad-svc.h"
#include "glusterd-nfs-svc.h"
#include "glusterd-bitd-svc.h"
#include "glusterd-scrub-svc.h"
#include "glusterd-svc-helper.h"
#include "syscall.h"
int
glusterd_svcs_reconfigure ()
{
int ret = 0;
xlator_t *this = THIS;
glusterd_conf_t *conf = NULL;
GF_ASSERT (this);
conf = this->private;
GF_ASSERT (conf);
ret = glusterd_nfssvc_reconfigure ();
if (ret)
goto out;
ret = glusterd_shdsvc_reconfigure ();
if (ret)
goto out;
if (conf->op_version == GD_OP_VERSION_MIN)
goto out;
ret = glusterd_quotadsvc_reconfigure ();
if (ret)
goto out;
ret = glusterd_bitdsvc_reconfigure ();
if (ret)
goto out;
ret = glusterd_scrubsvc_reconfigure ();
if (ret)
goto out;
out:
return ret;
}
int
glusterd_svcs_stop ()
{
int ret = 0;
xlator_t *this = NULL;
glusterd_conf_t *priv = NULL;
this = THIS;
GF_ASSERT (this);
priv = this->private;
GF_ASSERT (priv);
ret = glusterd_svc_stop (&(priv->nfs_svc), SIGKILL);
if (ret)
goto out;
ret = glusterd_svc_stop (&(priv->shd_svc), SIGTERM);
if (ret)
goto out;
ret = glusterd_svc_stop (&(priv->quotad_svc), SIGTERM);
if (ret)
goto out;
ret = glusterd_svc_stop (&(priv->bitd_svc), SIGTERM);
if (ret)
goto out;
ret = glusterd_svc_stop (&(priv->scrub_svc), SIGTERM);
out:
return ret;
}
int
glusterd_svcs_manager (glusterd_volinfo_t *volinfo)
{
int ret = 0;
xlator_t *this = THIS;
glusterd_conf_t *conf = NULL;
GF_ASSERT (this);
conf = this->private;
GF_ASSERT (conf);
if (volinfo && volinfo->is_snap_volume)
return 0;
ret = conf->nfs_svc.manager (&(conf->nfs_svc), NULL,
PROC_START_NO_WAIT);
if (ret)
goto out;
ret = conf->shd_svc.manager (&(conf->shd_svc), volinfo,
PROC_START_NO_WAIT);
if (ret == -EINVAL)
ret = 0;
if (ret)
goto out;
if (conf->op_version == GD_OP_VERSION_MIN)
goto out;
ret = conf->quotad_svc.manager (&(conf->quotad_svc), volinfo,
PROC_START_NO_WAIT);
if (ret == -EINVAL)
ret = 0;
if (ret)
goto out;
ret = conf->bitd_svc.manager (&(conf->bitd_svc), NULL,
PROC_START_NO_WAIT);
if (ret == -EINVAL)
ret = 0;
if (ret)
goto out;
ret = conf->scrub_svc.manager (&(conf->scrub_svc), NULL,
PROC_START_NO_WAIT);
if (ret == -EINVAL)
ret = 0;
out:
return ret;
}
int
glusterd_svc_check_volfile_identical (char *svc_name,
glusterd_graph_builder_t builder,
gf_boolean_t *identical)
{
char orgvol[PATH_MAX] = {0,};
char tmpvol[PATH_MAX] = {0,};
glusterd_conf_t *conf = NULL;
xlator_t *this = NULL;
int ret = -1;
int need_unlink = 0;
int tmp_fd = -1;
this = THIS;
GF_ASSERT (this);
GF_ASSERT (identical);
conf = this->private;
glusterd_svc_build_volfile_path (svc_name, conf->workdir,
orgvol, sizeof (orgvol));
snprintf (tmpvol, sizeof (tmpvol), "/tmp/g%s-XXXXXX", svc_name);
tmp_fd = mkstemp (tmpvol);
if (tmp_fd < 0) {
gf_msg (this->name, GF_LOG_WARNING, errno,
GD_MSG_FILE_OP_FAILED, "Unable to create temp file"
" %s:(%s)", tmpvol, strerror (errno));
goto out;
}
need_unlink = 1;
ret = glusterd_create_global_volfile (builder, tmpvol, NULL);
if (ret)
goto out;
ret = glusterd_check_files_identical (orgvol, tmpvol, identical);
out:
if (need_unlink)
sys_unlink (tmpvol);
if (tmp_fd >= 0)
sys_close (tmp_fd);
return ret;
}
int
glusterd_svc_check_topology_identical (char *svc_name,
glusterd_graph_builder_t builder,
gf_boolean_t *identical)
{
char orgvol[PATH_MAX] = {0,};
char tmpvol[PATH_MAX] = {0,};
glusterd_conf_t *conf = NULL;
xlator_t *this = THIS;
int ret = -1;
int tmpclean = 0;
int tmpfd = -1;
if ((!identical) || (!this) || (!this->private))
goto out;
conf = this->private;
GF_VALIDATE_OR_GOTO (this->name, conf, out);
/* Fetch the original volfile */
glusterd_svc_build_volfile_path (svc_name, conf->workdir,
orgvol, sizeof (orgvol));
/* Create the temporary volfile */
snprintf (tmpvol, sizeof (tmpvol), "/tmp/g%s-XXXXXX", svc_name);
tmpfd = mkstemp (tmpvol);
if (tmpfd < 0) {
gf_msg (this->name, GF_LOG_WARNING, errno,
GD_MSG_FILE_OP_FAILED, "Unable to create temp file"
" %s:(%s)", tmpvol, strerror (errno));
goto out;
}
tmpclean = 1; /* SET the flag to unlink() tmpfile */
ret = glusterd_create_global_volfile (builder,
tmpvol, NULL);
if (ret)
goto out;
/* Compare the topology of volfiles */
ret = glusterd_check_topology_identical (orgvol, tmpvol,
identical);
out:
if (tmpfd >= 0)
sys_close (tmpfd);
if (tmpclean)
sys_unlink (tmpvol);
return ret;
}
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