mgmt/Glusterd: add nfs.enable-ino32 as an option to set from CLI

Signed-off-by: Kaushik BV <kaushikbv@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1972 (xcs get doesn't work with gNFS)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1972

3 files changed, 136 insertions, 1 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index e27eb56ccb8..158a4965452 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -135,6 +135,8 @@ static struct volopt_map_entry glusterd_volopt_map[] = {
         {"performance.quick-read",               "performance/quick-read",    "!perf", "on"}, /* NODOC */
         {"performance.stat-prefetch",            "performance/stat-prefetch", "!perf",},      /* NODOC */
 
+        {"nfs.enable-ino32",                      "nfs.enable-ino32",          "nfs.enable-ino32",},
+
         {NULL,                                                                }
 };
 
@@ -1231,6 +1233,75 @@ build_client_graph (glusterfs_graph_t *graph, glusterd_volinfo_t *volinfo,
                                     &client_graph_builder);
 }
 
+static int
+build_nfs_validation_graph (glusterfs_graph_t *graph, dict_t *dict)
+{
+        glusterfs_graph_t   cgraph        = {{0,},};
+        glusterd_volinfo_t *voliter       = NULL;
+        xlator_t           *this          = NULL;
+        glusterd_conf_t    *priv          = NULL;
+        xlator_t           *nfsxl         = NULL;
+        char               *skey          = NULL;
+        char                volume_id[64] = {0,};
+        int                 ret           = 0;
+        data_t             *data          = NULL;
+
+        this = THIS;
+        GF_ASSERT (this);
+        priv = this->private;
+        GF_ASSERT (priv);
+
+        nfsxl = volgen_graph_add_as (graph, "nfs/server", "nfs-server");
+        if (!nfsxl)
+                return -1;
+        ret = xlator_set_option (nfsxl, "nfs.dynamic-volumes", "on");
+        if (ret)
+                return -1;
+
+        list_for_each_entry (voliter, &priv->volumes, vol_list) {
+                ret = gf_asprintf (&skey, "rpc-auth.addr.%s.allow",
+                                   voliter->volname);
+                if (ret == -1)
+                        goto oom;
+                ret = xlator_set_option (nfsxl, skey, "*");
+                GF_FREE (skey);
+                if (ret)
+                        return -1;
+
+                ret = gf_asprintf (&skey, "nfs3.%s.volume-id",
+                                   voliter->volname);
+                if (ret == -1)
+                        goto oom;
+                uuid_unparse (voliter->volume_id, volume_id);
+                ret = xlator_set_option (nfsxl, skey, volume_id);
+                GF_FREE (skey);
+                if (ret)
+                        return -1;
+
+                data = dict_get (dict, "nfs.enable-ino32");
+                if (data) {
+                        ret = xlator_set_option (nfsxl, 
+                                                "nfs.enable-ino32",
+                                                data->data);
+                        if (ret)
+                                return -1;
+                }
+
+                memset (&cgraph, 0, sizeof (cgraph));
+                ret = build_client_graph (&cgraph, voliter, NULL);
+                if (ret)
+                        return -1;
+                ret = volgen_graph_merge_sub (graph, &cgraph);
+        }
+
+        return ret;
+
+ oom:
+        gf_log ("", GF_LOG_ERROR, "Out of memory");
+
+        return -1;
+
+}
 
 /* builds a graph for nfs server role */
 static int
@@ -1244,6 +1315,7 @@ build_nfs_graph (glusterfs_graph_t *graph)
         char               *skey          = NULL;
         char                volume_id[64] = {0,};
         int                 ret           = 0;
+        data_t             *data          = NULL;
 
         this = THIS;
         GF_ASSERT (this);
@@ -1257,6 +1329,7 @@ build_nfs_graph (glusterfs_graph_t *graph)
         if (ret)
                 return -1;
 
+
         list_for_each_entry (voliter, &priv->volumes, vol_list) {
                 if (voliter->status != GLUSTERD_STATUS_STARTED)
                         continue;
@@ -1280,6 +1353,17 @@ build_nfs_graph (glusterfs_graph_t *graph)
                 if (ret)
                         return -1;
 
+                data = dict_get (voliter->dict, "nfs.enable-ino32");
+                if (data) {
+                        if (!dict_get (nfsxl->options, "nfs.enable-ino32")) {
+                                ret = xlator_set_option (nfsxl, 
+                                                         "nfs.enable-ino32",
+                                                         data->data);
+                                if (ret)
+                                        return -1;
+                        }
+                }
+
                 memset (&cgraph, 0, sizeof (cgraph));
                 ret = build_client_graph (&cgraph, voliter, NULL);
                 if (ret)
@@ -1487,6 +1571,26 @@ glusterd_delete_volfile (glusterd_volinfo_t *volinfo,
 }
 
 int
+validate_nfsopts (glusterd_volinfo_t *volinfo, 
+                    dict_t *val_dict, 
+                    char **op_errstr)
+{
+        glusterfs_graph_t graph = {{0,},};
+        int     ret = -1;
+
+        GF_ASSERT (volinfo);
+
+        ret = build_nfs_validation_graph (&graph, val_dict);
+        if (!ret)
+                ret = graph_reconf_validateopt (&graph, op_errstr);
+
+        volgen_graph_free (&graph);
+
+        gf_log ("glusterd", GF_LOG_DEBUG, "Returning %d", ret);
+        return ret;
+}
+
+int
 validate_clientopts (glusterd_volinfo_t *volinfo, 
                     dict_t *val_dict, 
                     char **op_errstr)
@@ -1577,6 +1681,8 @@ glusterd_validate_reconfopts (glusterd_volinfo_t *volinfo, dict_t *val_dict,
                 goto out;
         }
 
+        ret = validate_nfsopts (volinfo, val_dict, op_errstr);
+
 
 out:
                 gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
index 185d36225fd..8853db813e0 100644
--- a/xlators/mgmt/glusterd/src/glusterd.h
+++ b/xlators/mgmt/glusterd/src/glusterd.h
@@ -188,7 +188,6 @@ struct glusterd_volinfo_ {
         uint32_t                cksum;
         gf_transport_type       transport_type;
 
-        /* All xlator options */
         dict_t                  *dict;
 
         uuid_t                  volume_id;
diff --git a/xlators/nfs/server/src/nfs.c b/xlators/nfs/server/src/nfs.c
index c81e48322ab..d546ed3fb14 100644
--- a/xlators/nfs/server/src/nfs.c
+++ b/xlators/nfs/server/src/nfs.c
@@ -560,6 +560,36 @@ free_nfs:
         return nfs;
 }
 
+int
+validate_options (xlator_t *this, dict_t *options, char **op_errstr)
+{
+        char         *str=NULL;
+        gf_boolean_t nfs_ino32;
+
+        int          ret = 0;
+
+
+
+        ret = dict_get_str (options, "nfs.enable-ino32", 
+                            &str);
+        if (ret == 0) {
+                ret = gf_string2boolean (str, 
+                                         &nfs_ino32);
+                if (ret == -1) {
+                        gf_log (this->name, GF_LOG_WARNING,
+                                "'nfs.enable-ino32' takes only boolean"
+                                " arguments");
+                        *op_errstr = gf_strdup ("Error, should be boolean");
+                        ret = -1;
+                        goto out;
+                }
+        }
+        ret =0;
+out:
+                return ret;
+
+}
+
 
 int
 init (xlator_t *this) {