logging: Make logger and log format configurable through cli

Change-Id: Ic4b701a6621578848ff67ae4ecb5a10b5f32f93b
BUG: 1075611
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/7372
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>

3 files changed, 170 insertions, 6 deletions

diff --git a/xlators/debug/io-stats/src/io-stats.c b/xlators/debug/io-stats/src/io-stats.c
index 9e48a7c6e..d63fbb26c 100644
--- a/xlators/debug/io-stats/src/io-stats.c
+++ b/xlators/debug/io-stats/src/io-stats.c
@@ -2666,9 +2666,13 @@ reconfigure (xlator_t *this, dict_t *options)
         struct ios_conf    *conf = NULL;
         int                 ret = -1;
         char               *sys_log_str = NULL;
+        char               *log_format_str = NULL;
+        char               *logger_str    = NULL;
         int                 sys_log_level = -1;
         char               *log_str = NULL;
         int                 log_level = -1;
+        int                 log_format = -1;
+        int                 logger = -1;
 
         if (!this || !this->private)
                 goto out;
@@ -2696,6 +2700,18 @@ reconfigure (xlator_t *this, dict_t *options)
                 gf_log_set_loglevel (log_level);
         }
 
+        GF_OPTION_RECONF ("logger", logger_str, options, str, out);
+        if (logger_str) {
+                logger = gf_check_logger (logger_str);
+                gf_log_set_logger (logger);
+        }
+
+        GF_OPTION_RECONF ("log-format", log_format_str, options, str, out);
+        if (log_format_str) {
+                log_format = gf_check_log_format (log_format_str);
+                gf_log_set_logformat (log_format);
+        }
+
         ret = 0;
 out:
         gf_log (this->name, GF_LOG_DEBUG, "reconfigure returning %d", ret);
@@ -2727,6 +2743,10 @@ init (xlator_t *this)
 {
         struct ios_conf    *conf = NULL;
         char               *sys_log_str = NULL;
+        char               *logger_str  = NULL;
+        char               *log_format_str  = NULL;
+        int                 logger = -1;
+        int                 log_format = -1;
         int                 sys_log_level = -1;
         char               *log_str = NULL;
         int                 log_level = -1;
@@ -2785,6 +2805,19 @@ init (xlator_t *this)
                 gf_log_set_loglevel (log_level);
         }
 
+        GF_OPTION_INIT ("logger", logger_str, str, out);
+        if (logger_str) {
+                logger = gf_check_logger (logger_str);
+                gf_log_set_logger (logger);
+        }
+
+        GF_OPTION_INIT ("log-format", log_format_str, str, out);
+        if (log_format_str) {
+                log_format = gf_check_log_format (log_format_str);
+                gf_log_set_logformat (log_format);
+        }
+
+
         this->private = conf;
         ret = 0;
 out:
@@ -3027,6 +3060,40 @@ struct volume_options options[] = {
           .value = { "DEBUG", "WARNING", "ERROR", "INFO",
                      "CRITICAL", "NONE", "TRACE"}
         },
+        { .key = {"logger"},
+          .type = GF_OPTION_TYPE_STR,
+          .value = { GF_LOGGER_GLUSTER_LOG, GF_LOGGER_SYSLOG}
+        },
+        { .key = {"client-logger"},
+          .type = GF_OPTION_TYPE_STR,
+          .default_value = GF_LOGGER_GLUSTER_LOG,
+          .description = "Changes the logging sub-system to log to, for the "
+                         "clients",
+          .value = { GF_LOGGER_GLUSTER_LOG, GF_LOGGER_SYSLOG}
+        },
+        { .key = {"brick-logger"},
+          .type = GF_OPTION_TYPE_STR,
+          .default_value = GF_LOGGER_GLUSTER_LOG,
+          .description = "Changes the logging sub-system to log to, for the "
+                         "bricks",
+          .value = { GF_LOGGER_GLUSTER_LOG, GF_LOGGER_SYSLOG}
+        },
+        { .key = {"log-format"},
+          .type = GF_OPTION_TYPE_STR,
+          .value = { GF_LOG_FORMAT_NO_MSG_ID, GF_LOG_FORMAT_WITH_MSG_ID}
+        },
+        { .key = {"client-log-format"},
+          .type = GF_OPTION_TYPE_STR,
+          .default_value = GF_LOG_FORMAT_WITH_MSG_ID,
+          .description = "Changes log format for the clients",
+          .value = { GF_LOG_FORMAT_NO_MSG_ID, GF_LOG_FORMAT_WITH_MSG_ID}
+        },
+        { .key = {"brick-log-format"},
+          .type = GF_OPTION_TYPE_STR,
+          .default_value = GF_LOG_FORMAT_WITH_MSG_ID,
+          .description = "Changes the log format for the bricks",
+          .value = { GF_LOG_FORMAT_NO_MSG_ID, GF_LOG_FORMAT_WITH_MSG_ID}
+        },
         { .key  = {NULL} },
 
 };
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index 783958279..0b3a8d099 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -1328,6 +1328,44 @@ sys_loglevel_option_handler (volgen_graph_t *graph,
 }
 
 static int
+logger_option_handler (volgen_graph_t *graph, struct volopt_map_entry *vme,
+                       void *param)
+{
+        char  *role = NULL;
+        struct volopt_map_entry vme2 = {0,};
+
+        role = (char *) param;
+
+        if (strcmp (vme->option, "!logger") != 0 ||
+            !strstr (vme->key, role))
+                return 0;
+
+        memcpy (&vme2, vme, sizeof (vme2));
+        vme2.option = "logger";
+
+        return basic_option_handler (graph, &vme2, NULL);
+}
+
+static int
+log_format_option_handler (volgen_graph_t *graph, struct volopt_map_entry *vme,
+                           void *param)
+{
+        char  *role = NULL;
+        struct volopt_map_entry vme2 = {0,};
+
+        role = (char *) param;
+
+        if (strcmp (vme->option, "!log-format") != 0 ||
+            !strstr (vme->key, role))
+                return 0;
+
+        memcpy (&vme2, vme, sizeof (vme2));
+        vme2.option = "log-format";
+
+        return basic_option_handler (graph, &vme2, NULL);
+}
+
+static int
 volgen_graph_set_xl_options (volgen_graph_t *graph, dict_t *dict)
 {
         int32_t   ret               = -1;
@@ -1379,6 +1417,12 @@ server_spec_option_handler (volgen_graph_t *graph,
         if (!ret)
                 ret = sys_loglevel_option_handler (graph, vme, "brick");
 
+        if (!ret)
+                ret = logger_option_handler (graph, vme, "brick");
+
+        if (!ret)
+                ret = log_format_option_handler (graph, vme, "brick");
+
         return ret;
 }
 
@@ -2536,7 +2580,9 @@ client_graph_builder (volgen_graph_t *graph, glusterd_volinfo_t *volinfo,
         char            *tmp     = NULL;
         gf_boolean_t     var     = _gf_false;
         gf_boolean_t     ob      = _gf_false;
+        xlator_t        *this    = THIS;
 
+        GF_ASSERT (this);
         GF_ASSERT (conf);
 
         volname = volinfo->volname;
@@ -2613,7 +2659,7 @@ client_graph_builder (volgen_graph_t *graph, glusterd_volinfo_t *volinfo,
                         ob = _gf_false;
                         ret = gf_string2boolean (tmp, &ob);
                         if (!ret && ob) {
-                                gf_log (THIS->name, GF_LOG_WARNING,
+                                gf_log (this->name, GF_LOG_WARNING,
                                         "root-squash is enabled. Please turn it"
                                         " off to change read-after-open "
                                         "option");
@@ -2682,7 +2728,7 @@ client_graph_builder (volgen_graph_t *graph, glusterd_volinfo_t *volinfo,
                                 ret = 0;
                 }
                 if (ret) {
-                        gf_log (THIS->name, GF_LOG_WARNING, "setting "
+                        gf_log (this->name, GF_LOG_WARNING, "setting "
                                 "open behind option as part of root "
                                 "squash failed");
                         goto out;
@@ -2708,14 +2754,28 @@ client_graph_builder (volgen_graph_t *graph, glusterd_volinfo_t *volinfo,
                                                 &loglevel_option_handler);
 
         if (ret)
-                gf_log (THIS->name, GF_LOG_WARNING, "changing client log level"
+                gf_log (this->name, GF_LOG_WARNING, "changing client log level"
                         " failed");
 
         ret = volgen_graph_set_options_generic (graph, set_dict, "client",
                                                 &sys_loglevel_option_handler);
         if (ret)
-                gf_log (THIS->name, GF_LOG_WARNING, "changing client syslog "
+                gf_log (this->name, GF_LOG_WARNING, "changing client syslog "
                         "level failed");
+
+        ret = volgen_graph_set_options_generic (graph, set_dict, "client",
+                                                &logger_option_handler);
+
+        if (ret)
+                gf_log (this->name, GF_LOG_WARNING, "changing client logger"
+                        " failed");
+
+        ret = volgen_graph_set_options_generic (graph, set_dict, "client",
+                                                &log_format_option_handler);
+        if (ret)
+                gf_log (this->name, GF_LOG_WARNING, "changing client log format"
+                        " failed");
+
 out:
         return ret;
 }
@@ -3052,16 +3112,31 @@ build_shd_graph (volgen_graph_t *graph, dict_t *mod_dict)
                                                  &loglevel_option_handler);
 
                 if (ret)
-                        gf_log (THIS->name, GF_LOG_WARNING, "changing loglevel "
+                        gf_log (this->name, GF_LOG_WARNING, "changing loglevel "
                                 "of self-heal daemon failed");
 
                 ret = volgen_graph_set_options_generic (graph, set_dict,
                                                         "client",
                                                  &sys_loglevel_option_handler);
                 if (ret)
-                        gf_log (THIS->name, GF_LOG_WARNING, "changing syslog "
+                        gf_log (this->name, GF_LOG_WARNING, "changing syslog "
                                 "level of self-heal daemon failed");
 
+                ret = volgen_graph_set_options_generic (graph, set_dict,
+                                                        "client",
+                                                 &logger_option_handler);
+
+                if (ret)
+                        gf_log (this->name, GF_LOG_WARNING, "changing logger "
+                                "of self-heal daemon failed");
+
+                ret = volgen_graph_set_options_generic (graph, set_dict,
+                                                        "client",
+                                                 &log_format_option_handler);
+                if (ret)
+                        gf_log (this->name, GF_LOG_WARNING, "changing log "
+                                "format level of self-heal daemon failed");
+
                 ret = dict_reset (set_dict);
                 if (ret)
                         goto out;
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
index 7f094c439..29e9f2b87 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
@@ -610,6 +610,28 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .op_version = 1,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
+        { .key         = "diagnostics.brick-logger",
+          .voltype     = "debug/io-stats",
+          .option      = "!logger",
+          .op_version  = 4
+        },
+        { .key        = "diagnostics.client-logger",
+          .voltype    = "debug/io-stats",
+          .option     = "!logger",
+          .op_version = 4,
+          .flags      = OPT_FLAG_CLIENT_OPT
+        },
+        { .key         = "diagnostics.brick-log-format",
+          .voltype     = "debug/io-stats",
+          .option      = "!log-format",
+          .op_version  = 4
+        },
+        { .key        = "diagnostics.client-log-format",
+          .voltype    = "debug/io-stats",
+          .option     = "!log-format",
+          .op_version = 4,
+          .flags      = OPT_FLAG_CLIENT_OPT
+        },
 
         /* IO-cache xlator options */
         { .key         = "performance.cache-max-file-size",