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/*
Copyright (c) 2016 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 "glusterd.h"
#include "glusterd-utils.h"
#include "glusterd-gfproxyd-svc-helper.h"
#include "glusterd-messages.h"
#include <glusterfs/syscall.h>
#include "glusterd-volgen.h"
void
glusterd_svc_build_gfproxyd_rundir(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char workdir[PATH_MAX] = {
0,
};
glusterd_conf_t *priv = THIS->private;
GLUSTERD_GET_VOLUME_PID_DIR(workdir, volinfo, priv);
snprintf(path, path_len, "%s", workdir);
}
void
glusterd_svc_build_gfproxyd_socket_filepath(glusterd_volinfo_t *volinfo,
char *path, int path_len)
{
char sockfilepath[PATH_MAX] = {
0,
};
char rundir[PATH_MAX] = {
0,
};
int32_t len = 0;
glusterd_svc_build_gfproxyd_rundir(volinfo, rundir, sizeof(rundir));
len = snprintf(sockfilepath, sizeof(sockfilepath), "%s/run-%s", rundir,
uuid_utoa(MY_UUID));
if ((len < 0) || (len >= sizeof(sockfilepath))) {
sockfilepath[0] = 0;
}
glusterd_set_socket_filepath(sockfilepath, path, path_len);
}
void
glusterd_svc_build_gfproxyd_pidfile(glusterd_volinfo_t *volinfo, char *path,
int path_len)
{
char rundir[PATH_MAX] = {
0,
};
glusterd_svc_build_gfproxyd_rundir(volinfo, rundir, sizeof(rundir));
snprintf(path, path_len, "%s/%s.gfproxyd.pid", rundir, volinfo->volname);
}
void
glusterd_svc_build_gfproxyd_volfile_path(glusterd_volinfo_t *volinfo,
char *path, int path_len)
{
char workdir[PATH_MAX] = {
0,
};
glusterd_conf_t *priv = THIS->private;
GLUSTERD_GET_VOLUME_DIR(workdir, volinfo, priv);
snprintf(path, path_len, "%s/%s.gfproxyd.vol", workdir, volinfo->volname);
}
void
glusterd_svc_build_gfproxyd_logdir(char *logdir, char *volname, size_t len)
{
snprintf(logdir, len, "%s/gfproxy/%s", DEFAULT_LOG_FILE_DIRECTORY, volname);
}
void
glusterd_svc_build_gfproxyd_logfile(char *logfile, char *logdir, size_t len)
{
snprintf(logfile, len, "%s/gfproxyd.log", logdir);
}
int
glusterd_is_gfproxyd_enabled(glusterd_volinfo_t *volinfo)
{
return glusterd_volinfo_get_boolean(volinfo, VKEY_CONFIG_GFPROXY);
}
static int
glusterd_svc_get_gfproxyd_volfile(glusterd_volinfo_t *volinfo, char *svc_name,
char *orgvol, char **tmpvol, int path_len)
{
int tmp_fd = -1;
int ret = -1;
int need_unlink = 0;
glusterd_svc_build_gfproxyd_volfile_path(volinfo, orgvol, path_len);
ret = gf_asprintf(tmpvol, "/tmp/g%s-XXXXXX", svc_name);
if (ret < 0) {
goto out;
}
/* coverity[SECURE_TEMP] mkstemp uses 0600 as the mode and is safe */
tmp_fd = mkstemp(*tmpvol);
if (tmp_fd < 0) {
gf_msg("glusterd", GF_LOG_WARNING, errno, GD_MSG_FILE_OP_FAILED,
"Unable to create temp file"
" %s:(%s)",
*tmpvol, strerror(errno));
ret = -1;
goto out;
}
need_unlink = 1;
ret = glusterd_build_gfproxyd_volfile(volinfo, *tmpvol);
out:
if (need_unlink && ret < 0)
sys_unlink(*tmpvol);
if ((ret < 0) && (*tmpvol != NULL)) {
GF_FREE(*tmpvol);
*tmpvol = NULL;
}
if (tmp_fd >= 0)
sys_close(tmp_fd);
return ret;
}
int
glusterd_svc_check_gfproxyd_volfile_identical(char *svc_name,
glusterd_volinfo_t *volinfo,
gf_boolean_t *identical)
{
char orgvol[PATH_MAX] = {
0,
};
char *tmpvol = NULL;
int ret = -1;
int need_unlink = 0;
GF_VALIDATE_OR_GOTO("glusterd", identical, out);
ret = glusterd_svc_get_gfproxyd_volfile(volinfo, svc_name, orgvol, &tmpvol,
PATH_MAX);
if (ret)
goto out;
need_unlink = 1;
ret = glusterd_check_files_identical(orgvol, tmpvol, identical);
if (ret)
goto out;
out:
if (need_unlink)
sys_unlink(tmpvol);
if (tmpvol != NULL)
GF_FREE(tmpvol);
return ret;
}
int
glusterd_svc_check_gfproxyd_topology_identical(char *svc_name,
glusterd_volinfo_t *volinfo,
gf_boolean_t *identical)
{
char orgvol[PATH_MAX] = {
0,
};
char *tmpvol = NULL;
int ret = -1;
int tmpclean = 0;
GF_VALIDATE_OR_GOTO("glusterd", identical, out);
ret = glusterd_svc_get_gfproxyd_volfile(volinfo, svc_name, orgvol, &tmpvol,
PATH_MAX);
if (ret)
goto out;
tmpclean = 1; /* SET the flag to unlink() tmpfile */
/* Compare the topology of volfiles */
ret = glusterd_check_topology_identical(orgvol, tmpvol, identical);
out:
if (tmpclean)
sys_unlink(tmpvol);
if (tmpvol != NULL)
GF_FREE(tmpvol);
return ret;
}
glusterd_volinfo_t *
glusterd_gfproxyd_volinfo_from_svc(glusterd_svc_t *svc)
{
glusterd_volinfo_t *volinfo = NULL;
glusterd_gfproxydsvc_t *gfproxyd = NULL;
/* Get volinfo->gfproxyd from svc object */
gfproxyd = cds_list_entry(svc, glusterd_gfproxydsvc_t, svc);
if (!gfproxyd) {
gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_SNAPD_OBJ_GET_FAIL,
"Failed to get gfproxyd "
"object from gfproxyd service");
goto out;
}
/* Get volinfo from gfproxyd */
volinfo = cds_list_entry(gfproxyd, glusterd_volinfo_t, gfproxyd);
if (!volinfo) {
gf_msg("glusterd", GF_LOG_ERROR, 0, GD_MSG_VOLINFO_GET_FAIL,
"Failed to get volinfo from "
"from gfproxyd");
goto out;
}
out:
return volinfo;
}
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