From 5a6720f1ee4ad6d96dae23742315c8ef35555a3b Mon Sep 17 00:00:00 2001 From: Mohammed Junaid Ahmed Date: Mon, 14 Feb 2011 19:27:34 +0000 Subject: syncdaemon: Moved the gsync start code to cli. Signed-off-by: Junaid Signed-off-by: Anand V. Avati BUG: 1570 (geosync related changes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1570 --- xlators/mgmt/glusterd/src/glusterd-op-sm.c | 232 ++++++++++++----------------- 1 file changed, 92 insertions(+), 140 deletions(-) (limited to 'xlators/mgmt/glusterd/src/glusterd-op-sm.c') diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c index 5adecef83b7..770443b9ff6 100644 --- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c +++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c @@ -54,8 +54,6 @@ #define glusterd_op_start_volume_args_get(req, dict, volname, flags) \ glusterd_op_stop_volume_args_get (req, dict, volname, flags) -#define GSYNCD_PREFIX GSYNC_PREFIX"/python/syncdaemon/" - static struct list_head gd_op_sm_queue; pthread_mutex_t gd_op_sm_lock; glusterd_op_info_t opinfo = {{0},}; @@ -1904,29 +1902,63 @@ volname_from_master (char *master) return gf_strdup (master+1); } -/* status: return 0 when gsync is running - * return -1 when not running - */ int -gsync_status (char *master, char *slave) +gsync_get_pid_file (char *pidfile, char *master, char *slave) { - int ret = 0; - char pidfile[1024] = {0,}; - FILE *file = NULL; + int ret = -1; + int i = 0; + char str[256] = {0, }; + + GF_VALIDATE_OR_GOTO ("gsync", pidfile, out); + GF_VALIDATE_OR_GOTO ("gsync", master, out); + GF_VALIDATE_OR_GOTO ("gsync", slave, out); + + i = 0; + //change '/' to '-' + while (slave[i]) { + (slave[i] == '/') ? (str[i] = '-') : (str[i] = slave[i]); + i++; + } ret = snprintf (pidfile, 1024, "/etc/glusterd/gsync/%s/%s.pid", - master, slave); + master, str); if (ret <= 0) { ret = -1; goto out; } + ret = 0; +out: + return ret; +} + +/* status: return 0 when gsync is running + * return -1 when not running + */ +int +gsync_status (char *master, char *slave, int *status) +{ + int ret = -1; + char pidfile[1024] = {0,}; + FILE *file = NULL; + + GF_VALIDATE_OR_GOTO ("gsync", master, out); + GF_VALIDATE_OR_GOTO ("gsync", slave, out); + GF_VALIDATE_OR_GOTO ("gsync", status, out); + + ret = gsync_get_pid_file (pidfile, master, slave); + if (ret == -1) + goto out; + file = fopen (pidfile, "r+"); if (file) { - ret = lockf (fileno (file), F_TLOCK, 0); - if (ret && ((EAGAIN == errno) || (EACCES == errno))) - ret = 0; - } + // ret = lockf (fileno (file), F_TEST, 0); + //if (ret == 0) + //*status = -1; + //else + *status = 0; + } else + *status = -1; out: return ret; } @@ -2017,6 +2049,7 @@ glusterd_op_stage_gsync_set (gd1_mgmt_stage_op_req *req, char **op_errstr) { int ret = 0; int type = 0; + int status = 0; dict_t *dict = NULL; char *volname = NULL; char *master = NULL; @@ -2095,24 +2128,36 @@ glusterd_op_stage_gsync_set (gd1_mgmt_stage_op_req *req, char **op_errstr) goto out; } //check if the gsync is already started - ret = gsync_status (master, slave); - if (ret == 0) { + ret = gsync_status (master, slave, &status); + if (ret == 0 && status == 0) { gf_log ("", GF_LOG_WARNING, "gsync already started"); *op_errstr = gf_strdup ("gsync already started"); ret = -1; goto out; + } else if (ret == -1) { + gf_log ("", GF_LOG_WARNING, "gsync start validation " + " failed"); + *op_errstr = gf_strdup ("command to failed, please " + "check the log file"); + goto out; } ret = 0; goto out; } if (type == GF_GSYNC_OPTION_TYPE_STOP) { - ret = gsync_status (master, slave); - if (ret == -1) { + ret = gsync_status (master, slave, &status); + if (ret == 0 && status == -1) { gf_log ("", GF_LOG_WARNING, "gsync not running"); *op_errstr = gf_strdup ("gsync not running"); ret = -1; goto out; + } else if (ret == -1) { + gf_log ("", GF_LOG_WARNING, "gsync stop validation " + " failed"); + *op_errstr = gf_strdup ("command to failed, please " + "check the log file"); + goto out; } ret = 0; goto out; @@ -3679,128 +3724,27 @@ out: } -int -gsync_get_pid_file (char *pidfile, char *master, char *slave) -{ - int ret = -1; - int i = 0; - char str[256] = {0, }; - - GF_VALIDATE_OR_GOTO ("gsync", pidfile, out); - GF_VALIDATE_OR_GOTO ("gsync", master, out); - GF_VALIDATE_OR_GOTO ("gsync", slave, out); - - i = 0; - //change '/' to '-' - while (slave[i]) { - (slave[i] == '/') ? (str[i] = '-') : (str[i] = slave[i]); - i++; - } - - ret = snprintf (pidfile, 1024, "/etc/glusterd/gsync/%s/%s.pid", - master, str); - if (ret <= 0) - ret = -1; - - ret = 0; -out: - return 0; -} - -int -start_gsync (char *master, char *slave, char **op_errstr) -{ - int32_t ret = -1; - char cmd[1024] = {0,}; - char pidfile[1024] = {0,}; - - ret = gsync_get_pid_file (pidfile, master, slave); - if (ret == -1) { - ret = -1; - gf_log ("", GF_LOG_WARNING, "failed to construct the " - "pidfile string"); - goto out; - } - - ret = gsync_status (master, slave); - if (ret == 0) { - gf_log ("", GF_LOG_WARNING, "gsync %s:%s" - "already started", master, slave); - - *op_errstr = gf_strdup ("gsync is running"); - ret = -1; - goto out; - } - - ret = snprintf (cmd, 1024, "mkdir -p /etc/glusterd/gsync/%s", - master); - if (ret <= 0) { - ret = -1; - gf_log ("", GF_LOG_WARNING, "failed to construct the " - "pid path"); - goto out; - } - - ret = system (cmd); - if (ret == -1) { - gf_log ("", GF_LOG_WARNING, "failed to create the " - "pid path for %s %s", master, slave); - goto out; - } - - memset (cmd, 0, sizeof (cmd)); - ret = snprintf (cmd, 1024, GSYNCD_PREFIX "gsyncd.py %s %s " - "--config-set pid-file %s", master, slave, pidfile); - if (ret <= 0) { - ret = -1; - gf_log ("", GF_LOG_WARNING, "failed to construct the " - "config set command for %s %s", master, slave); - goto out; - } - - ret = system (cmd); - if (ret == -1) { - gf_log ("", GF_LOG_WARNING, "failed to set the pid " - "option for %s %s", master, slave); - goto out; - } - - memset (cmd, 0, sizeof (cmd)); - ret = snprintf (cmd, 1024, GSYNCD_PREFIX "/gsyncd.py " - "%s %s", master, slave); - if (ret <= 0) { - ret = -1; - goto out; - } - - ret = system (cmd); - if (ret == -1) - goto out; - - ret = 0; - - *op_errstr = gf_strdup ("gsync started successfully"); - -out: - if (ret < 0 && *op_errstr == NULL) - *op_errstr = gf_strdup ("gsync start unsuccessful"); - - return ret; -} - int stop_gsync (char *master, char *slave, char **op_errstr) { int32_t ret = -1; + int32_t status = 0; pid_t pid = 0; FILE *file = NULL; char pidfile[1024] = {0,}; char buf [256] = {0,}; - ret = gsync_status (master, slave); - if (ret == -1) { + ret = gsync_status (master, slave, &status); + if (ret == 0 && status == -1) { gf_log ("", GF_LOG_WARNING, "gsync is not running"); *op_errstr = gf_strdup ("gsync is not running"); + ret = -1; + goto out; + } else if (ret == -1) { + gf_log ("", GF_LOG_WARNING, "gsync stop validation " + " failed"); + *op_errstr = gf_strdup ("command to failed, please " + "check the log file"); goto out; } @@ -3823,12 +3767,15 @@ stop_gsync (char *master, char *slave, char **op_errstr) ret = read (fileno(file), buf, 1024); if (ret > 0) { pid = strtol (buf, NULL, 10); - ret = kill (pid, SIGKILL); + ret = kill (pid, SIGTERM); if (ret) { gf_log ("", GF_LOG_WARNING, "failed to stop gsyncd"); goto out; } + sleep (0.1); + kill (pid, SIGTERM); + unlink (pidfile); } ret = 0; @@ -3869,8 +3816,8 @@ gsync_config_set (char *master, char *slave, goto out; } - ret = snprintf (cmd, 1024, GSYNCD_PREFIX "/gsyncd.py %s %s " - "--config-set -%s %s", master, slave, op_name, op_value); + ret = snprintf (cmd, 1024, GSYNCD_PREFIX "/gsyncd %s %s " + "--config-set %s %s", master, slave, op_name, op_value); if (ret <= 0) { gf_log ("", GF_LOG_WARNING, "failed to " "construct the gsyncd command"); @@ -3917,8 +3864,8 @@ gsync_config_del (char *master, char *slave, goto out; } - ret = snprintf (cmd, 4096, GSYNCD_PREFIX "/gsyncd.py %s %s " - "config-del %s", master, slave, op_name); + ret = snprintf (cmd, 4096, GSYNCD_PREFIX "/gsyncd %s %s " + "--config-del %s", master, slave, op_name); if (ret <= 0) { gf_log ("", GF_LOG_WARNING, "failed to " "construct the gsyncd command"); @@ -3963,8 +3910,8 @@ gsync_config_get (char *master, char *slave, goto out; } - ret = snprintf (cmd, 4096, GSYNCD_PREFIX "/gsyncd.py %s %s " - "config-get %s", master, slave, op_name); + ret = snprintf (cmd, 4096, GSYNCD_PREFIX "/gsyncd %s %s " + "--config-get %s", master, slave, op_name); if (ret <= 0) { gf_log ("", GF_LOG_WARNING, "failed to " "construct the gsyncd command"); @@ -3996,7 +3943,7 @@ gsync_config_get_all (char *master, char *slave, char **op_errstr) int32_t ret = -1; char cmd[1024] = {0,}; - ret = snprintf (cmd, 4096, GSYNCD_PREFIX "/gsyncd.py %s %s " + ret = snprintf (cmd, 4096, GSYNCD_PREFIX "/gsyncd %s %s " "config-get-all", master, slave); if (ret <= 0) { gf_log ("", GF_LOG_WARNING, "failed to " @@ -4092,7 +4039,7 @@ gsync_command_exec (dict_t *dict, char **op_errstr) goto out; if (type == GF_GSYNC_OPTION_TYPE_START) { - ret = start_gsync (master, slave, op_errstr); + ret = 0; goto out; } @@ -5684,7 +5631,8 @@ glusterd_op_send_cli_response (int32_t op, int32_t op_ret, } case GD_MGMT_CLI_GSYNC_SET: { - int config_type; + int type = 0; + int config_type = 0; char *str = NULL; char *master = NULL; char *slave = NULL; @@ -5703,10 +5651,14 @@ glusterd_op_send_cli_response (int32_t op, int32_t op_ret, &str); if (ret == 0) rsp.op_errstr = gf_strdup (str); + ret = dict_get_int32 (ctx, "type", + &type); + if (ret == 0) + rsp.type = type; ret = dict_get_int32 (ctx, "config_type", &config_type); if (ret == 0) - rsp.type = config_type; + rsp.config_type = config_type; ret = dict_get_str (ctx, "master", &master); if (ret == 0) -- cgit