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Diffstat (limited to 'xlators/nfs/server/src/nfs.c')
-rw-r--r--xlators/nfs/server/src/nfs.c466
1 files changed, 415 insertions, 51 deletions
diff --git a/xlators/nfs/server/src/nfs.c b/xlators/nfs/server/src/nfs.c
index 33bd36e74..75c8fe44e 100644
--- a/xlators/nfs/server/src/nfs.c
+++ b/xlators/nfs/server/src/nfs.c
@@ -46,6 +46,194 @@
#define DATADIR "/var/lib/glusterd"
#define NFS_DATADIR DATADIR "/nfs"
+/* Forward declaration */
+int nfs_add_initer (struct list_head *list, nfs_version_initer_t init);
+
+static int
+nfs_init_version (xlator_t *this, nfs_version_initer_t init)
+{
+ int ret = -1;
+ struct nfs_initer_list *version = NULL;
+ struct nfs_initer_list *tmp = NULL;
+ rpcsvc_program_t *prog = NULL;
+ struct list_head *versions = NULL;
+ struct nfs_state *nfs = NULL;
+ gf_boolean_t found = _gf_false;
+
+ if ((!this) || (!this->private) || (!init))
+ return (-1);
+
+ nfs = (struct nfs_state *)this->private;
+
+ ret = nfs_add_initer (&nfs->versions, init);
+ if (ret == -1) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Failed to add protocol initializer");
+ goto err;
+ }
+
+ versions = &nfs->versions;
+ list_for_each_entry_safe (version, tmp, versions, list) {
+ prog = version->program;
+ if (version->init == init) {
+ prog = init(this);
+ if (!prog) {
+ ret = -1;
+ goto err;
+ }
+ version->program = prog;
+ found = _gf_true;
+ break;
+ }
+ }
+
+ /* program not added */
+ if (!found) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Program: %s NOT found", prog->progname);
+ goto err;
+ }
+
+ /* Check if nfs.port is configured */
+ if (nfs->override_portnum)
+ prog->progport = nfs->override_portnum;
+
+ gf_log (GF_NFS, GF_LOG_DEBUG, "Starting program: %s", prog->progname);
+
+ ret = rpcsvc_program_register (nfs->rpcsvc, prog);
+ if (ret == -1) {
+ gf_log (GF_NFS, GF_LOG_ERROR, "Program: %s init failed",
+ prog->progname);
+ goto err;
+ }
+
+ /* Registration with portmapper is disabled, Nothing to do */
+ if (!nfs->register_portmap)
+ goto err;
+
+ ret = rpcsvc_program_register_portmap (prog, prog->progport);
+ if (ret == -1) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Program %s registration failed",
+ prog->progname);
+ goto err;
+ }
+ ret = 0; /* All well */
+err:
+ return ret;
+}
+
+static int
+nfs_deinit_version (struct nfs_state *nfs, nfs_version_initer_t init)
+{
+ int ret = -1;
+ struct nfs_initer_list *version = NULL;
+ struct nfs_initer_list *tmp = NULL;
+ rpcsvc_program_t *prog = NULL;
+ struct list_head *versions = NULL;
+
+ if ((!nfs) || (!init))
+ return (-1);
+
+ versions = &nfs->versions;
+ list_for_each_entry_safe (version, tmp, versions, list) {
+ prog = version->program;
+ if (version->init == init) {
+ prog = version->program;
+ ret = rpcsvc_program_unregister (nfs->rpcsvc, prog);
+ if (ret != 0)
+ return (-1);
+ list_del (&version->list);
+ GF_FREE (version);
+ return (0);
+ }
+ }
+
+ return (-1);
+}
+
+static int
+nfs_reconfigure_acl3 (xlator_t *this)
+{
+ struct nfs_state *nfs = NULL;
+
+ if ((!this) || (!this->private))
+ return (-1);
+
+ nfs = (struct nfs_state *)this->private;
+
+ /* ACL is enabled */
+ if (nfs->enable_acl)
+ return nfs_init_version (this, acl3svc_init);
+
+ /* ACL is disabled */
+ return nfs_deinit_version (nfs, acl3svc_init);
+}
+
+static int
+nfs_reconfigure_nlm4 (xlator_t *this)
+{
+ struct nfs_state *nfs = NULL;
+
+ if ((!this) || (!this->private))
+ return (-1);
+
+ nfs = (struct nfs_state *)this->private;
+
+ /* NLM is enabled */
+ if (nfs->enable_nlm)
+ return nfs_init_version (this, nlm4svc_init);
+
+ /* NLM is disabled */
+ return nfs_deinit_version (nfs, nlm4svc_init);
+}
+
+static int
+nfs_program_register_portmap_all (struct nfs_state *nfs)
+{
+ struct list_head *versions = NULL;
+ struct nfs_initer_list *version = NULL;
+ struct nfs_initer_list *tmp = NULL;
+ rpcsvc_program_t *prog = NULL;
+
+ if (nfs == NULL)
+ return (-1);
+
+ versions = &nfs->versions;
+ list_for_each_entry_safe (version, tmp, versions, list) {
+ prog = version->program;
+ if (prog == NULL)
+ continue;
+ if (nfs->override_portnum)
+ prog->progport = nfs->override_portnum;
+ (void) rpcsvc_program_register_portmap (prog, prog->progport);
+ }
+
+ return (0);
+}
+
+static int
+nfs_program_unregister_portmap_all (struct nfs_state *nfs)
+{
+ struct list_head *versions = NULL;
+ struct nfs_initer_list *version = NULL;
+ struct nfs_initer_list *tmp = NULL;
+ rpcsvc_program_t *prog = NULL;
+
+ if (nfs == NULL)
+ return (-1);
+
+ versions = &nfs->versions;
+ list_for_each_entry_safe (version, tmp, versions, list) {
+ prog = version->program;
+ if (prog == NULL)
+ continue;
+ (void) rpcsvc_program_unregister_portmap (prog);
+ }
+
+ return (0);
+}
+
/* Every NFS version must call this function with the init function
* for its particular version.
*/
@@ -122,7 +310,7 @@ nfs_init_versions (struct nfs_state *nfs, xlator_t *this)
ret = -1;
goto err;
}
-// prog->actorxl = this;
+
version->program = prog;
if (nfs->override_portnum)
prog->progport = nfs->override_portnum;
@@ -131,17 +319,21 @@ nfs_init_versions (struct nfs_state *nfs, xlator_t *this)
ret = rpcsvc_program_register (nfs->rpcsvc, prog);
if (ret == -1) {
- gf_log (GF_NFS, GF_LOG_ERROR, "Program init failed");
+ gf_log (GF_NFS, GF_LOG_ERROR, "Program: %s init failed",
+ prog->progname);
goto err;
}
- if (rpcsvc_register_portmap_enabled(nfs->rpcsvc)) {
+ if (nfs->register_portmap) {
ret = rpcsvc_program_register_portmap (prog,
prog->progport);
if (ret == -1) {
- gf_log (GF_NFS, GF_LOG_ERROR, "Program registration failed");
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Program %s registration failed",
+ prog->progname);
goto err;
}
}
+
}
ret = 0;
@@ -158,22 +350,22 @@ nfs_add_all_initiators (struct nfs_state *nfs)
/* Add the initializers for all versions. */
ret = nfs_add_initer (&nfs->versions, mnt3svc_init);
if (ret == -1) {
- gf_log (GF_NFS, GF_LOG_ERROR, "Failed to add protocol"
- " initializer");
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to add "
+ "MOUNT3 protocol initializer");
goto ret;
}
ret = nfs_add_initer (&nfs->versions, mnt1svc_init);
if (ret == -1) {
- gf_log (GF_NFS, GF_LOG_ERROR, "Failed to add protocol"
- " initializer");
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to add "
+ "MOUNT1 protocol initializer");
goto ret;
}
ret = nfs_add_initer (&nfs->versions, nfs3svc_init);
if (ret == -1) {
- gf_log (GF_NFS, GF_LOG_ERROR, "Failed to add protocol"
- " initializer");
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to add "
+ "NFS3 protocol initializer");
goto ret;
}
@@ -588,19 +780,10 @@ nfs_init_state (xlator_t *this)
}
nfs->enable_nlm = _gf_true;
- if (!dict_get_str (this->options, "nfs.nlm", &optstr)) {
-
- ret = gf_string2boolean (optstr, &boolt);
- if (ret < 0) {
- gf_log (GF_NFS, GF_LOG_ERROR, "Failed to parse"
- " bool string");
- goto free_foppool;
- }
-
- if (boolt == _gf_false) {
- gf_log (GF_NFS, GF_LOG_INFO, "NLM is manually disabled");
- nfs->enable_nlm = _gf_false;
- }
+ ret = dict_get_str_boolean (this->options, "nfs.nlm", _gf_true);
+ if (ret == _gf_false) {
+ gf_log (GF_NFS, GF_LOG_INFO, "NLM is manually disabled");
+ nfs->enable_nlm = _gf_false;
}
nfs->enable_acl = _gf_true;
@@ -691,7 +874,7 @@ nfs_init_state (xlator_t *this)
nfs->mount_udp = 1;
}
- nfs->rmtab = NFS_DATADIR "/rmtab";
+ nfs->rmtab = gf_strdup (NFS_DATADIR "/rmtab");
if (dict_get(this->options, "nfs.mount-rmtab")) {
ret = dict_get_str (this->options, "nfs.mount-rmtab", &nfs->rmtab);
if (ret == -1) {
@@ -783,6 +966,8 @@ nfs_init_state (xlator_t *this)
goto free_foppool;
}
+ nfs->register_portmap = rpcsvc_register_portmap_enabled (nfs->rpcsvc);
+
this->private = (void *)nfs;
INIT_LIST_HEAD (&nfs->versions);
nfs->generation = 1965;
@@ -820,48 +1005,227 @@ nfs_drc_init (xlator_t *this)
return ret;
}
+int
+nfs_reconfigure_state (xlator_t *this, dict_t *options)
+{
+ int ret = 0;
+ int keyindx = 0;
+ char *optstr = NULL;
+ gf_boolean_t optbool;
+ uint32_t optuint32;
+ struct nfs_state *nfs = NULL;
+ char *blacklist_keys[] = {
+ "nfs.port",
+ "nfs.transport-type",
+ "nfs.mem-factor",
+ NULL};
+
+ GF_VALIDATE_OR_GOTO (GF_NFS, this, out);
+ GF_VALIDATE_OR_GOTO (GF_NFS, this->private, out);
+ GF_VALIDATE_OR_GOTO (GF_NFS, options, out);
+
+ nfs = (struct nfs_state *)this->private;
+
+ /* Black listed options can't be reconfigured, they need
+ * NFS to be restarted. There are two cases 1. SET 2. UNSET.
+ * 1. SET */
+ while (blacklist_keys[keyindx]) {
+ if (dict_get (options, blacklist_keys[keyindx])) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Reconfiguring %s needs NFS restart",
+ blacklist_keys[keyindx]);
+ goto out;
+ }
+ keyindx ++;
+ }
+
+ /* UNSET for nfs.mem-factor */
+ if ((!dict_get (options, "nfs.mem-factor")) &&
+ (nfs->memfactor != GF_NFS_DEFAULT_MEMFACTOR)) {
+ gf_log (GF_NFS, GF_LOG_INFO,
+ "Reconfiguring nfs.mem-factor needs NFS restart");
+ goto out;
+ }
+
+ /* UNSET for nfs.port */
+ if ((!dict_get (options, "nfs.port")) &&
+ (nfs->override_portnum)) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Reconfiguring nfs.port needs NFS restart");
+ goto out;
+ }
+
+ /* reconfig nfs.mount-rmtab */
+ optstr = NFS_DATADIR "/rmtab";
+ if (dict_get (options, "nfs.mount-rmtab")) {
+ ret = dict_get_str (options, "nfs.mount-rmtab", &optstr);
+ if (ret < 0) {
+ gf_log (GF_NFS, GF_LOG_ERROR, "Failed to read "
+ "reconfigured option: nfs.mount-rmtab");
+ goto out;
+ }
+ gf_path_strip_trailing_slashes (optstr);
+ }
+ if (strcmp (nfs->rmtab, optstr) != 0) {
+ mount_rewrite_rmtab (nfs->mstate, optstr);
+ gf_log (GF_NFS, GF_LOG_INFO,
+ "Reconfigured nfs.mount-rmtab path: %s",
+ nfs->rmtab);
+ }
+
+ GF_OPTION_RECONF (OPT_SERVER_AUX_GIDS, optbool,
+ options, bool, out);
+ if (nfs->server_aux_gids != optbool) {
+ nfs->server_aux_gids = optbool;
+ gf_log(GF_NFS, GF_LOG_INFO, "Reconfigured %s with value %d",
+ OPT_SERVER_AUX_GIDS, optbool);
+ }
+
+ GF_OPTION_RECONF (OPT_SERVER_GID_CACHE_TIMEOUT, optuint32,
+ options, uint32, out);
+ if (nfs->server_aux_gids_max_age != optuint32) {
+ nfs->server_aux_gids_max_age = optuint32;
+ gid_cache_reconf (&nfs->gid_cache, optuint32);
+ gf_log(GF_NFS, GF_LOG_INFO, "Reconfigured %s with value %d",
+ OPT_SERVER_GID_CACHE_TIMEOUT, optuint32);
+ }
+
+ /* reconfig nfs.dynamic-volumes */
+ ret = dict_get_str_boolean (options, "nfs.dynamic-volumes",
+ GF_NFS_DVM_OFF);
+ switch (ret) {
+ case GF_NFS_DVM_ON:
+ case GF_NFS_DVM_OFF:
+ optbool = ret;
+ break;
+ default:
+ optbool = GF_NFS_DVM_OFF;
+ break;
+ }
+ if (nfs->dynamicvolumes != optbool) {
+ nfs->dynamicvolumes = optbool;
+ gf_log(GF_NFS, GF_LOG_INFO, "Reconfigured nfs.dynamic-volumes"
+ " with value %d", optbool);
+ }
+
+ optbool = _gf_false;
+ if (dict_get (options, "nfs.enable-ino32")) {
+ ret = dict_get_str_boolean (options, "nfs.enable-ino32",
+ _gf_false);
+ if (ret < 0) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "Failed to read reconfigured option: "
+ "nfs.enable-ino32");
+ goto out;
+ }
+ optbool = ret;
+ }
+ if (nfs->enable_ino32 != optbool) {
+ nfs->enable_ino32 = optbool;
+ gf_log(GF_NFS, GF_LOG_INFO, "Reconfigured nfs.enable-ino32"
+ " with value %d", optbool);
+ }
+
+ /* nfs.nlm is enabled by default */
+ ret = dict_get_str_boolean (options, "nfs.nlm", _gf_true);
+ if (ret < 0) {
+ optbool = _gf_true;
+ } else {
+ optbool = ret;
+ }
+ if (nfs->enable_nlm != optbool) {
+ gf_log (GF_NFS, GF_LOG_INFO, "NLM is manually %s",
+ (optbool ? "enabled":"disabled"));
+ nfs->enable_nlm = optbool;
+ nfs_reconfigure_nlm4 (this);
+ }
+
+ /* nfs.acl is enabled by default */
+ ret = dict_get_str_boolean (options, "nfs.acl", _gf_true);
+ if (ret < 0) {
+ optbool = _gf_true;
+ } else {
+ optbool = ret;
+ }
+ if (nfs->enable_acl != optbool) {
+ gf_log (GF_NFS, GF_LOG_INFO, "ACL is manually %s",
+ (optbool ? "enabled":"disabled"));
+ nfs->enable_acl = optbool;
+ nfs_reconfigure_acl3 (this);
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
-#if 0
-/* reconfigure() is currently not used for the NFS-server. Upon setting an
- * option for the NFS-xlator, the glusterfs process it restarted.
- *
- * This current implementation makes sure to read the currently used rmtab and
- * merge it with the new rmtab.
- *
- * As this function is never called, it is provided for the future, for when
- * the NFS-server supports reloading.
+/*
+ * reconfigure() for NFS server xlator.
*/
int
reconfigure (xlator_t *this, dict_t *options)
{
- int ret = 0;
- char *rmtab = NULL;
+ int ret = 0;
struct nfs_state *nfs = NULL;
+ gf_boolean_t regpmap = _gf_true;
+
+ if ((!this) || (!this->private) || (!options))
+ return (-1);
nfs = (struct nfs_state *)this->private;
- if (!nfs) {
- gf_log_callingfn (this->name, GF_LOG_DEBUG, "conf == null!!!");
- goto out;
+ /* Reconfigure nfs options */
+ ret = nfs_reconfigure_state(this, options);
+ if (ret) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "nfs reconfigure state failed");
+ return (-1);
}
- ret = dict_get_str (options, "nfs.mount-rmtab", &rmtab);
+ /* Reconfigure nfs3 options */
+ ret = nfs3_reconfigure_state(this, options);
if (ret) {
- goto out;
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "nfs3 reconfigure state failed");
+ return (-1);
}
- gf_path_strip_trailing_slashes (rmtab);
- if (strcmp (nfs->rmtab, rmtab) != 0) {
- mount_rewrite_rmtab (nfs->mstate, rmtab);
+ /* Reconfigure mount options */
+ ret = mount_reconfigure_state(this, options);
+ if (ret) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "mount reconfigure state failed");
+ return (-1);
+ }
- gf_log (this->name, GF_LOG_INFO,
- "Reconfigured nfs.mount-rmtab path: %s", nfs->rmtab);
+ /* Reconfigure rpc layer */
+ ret = rpcsvc_reconfigure_options (nfs->rpcsvc, options);
+ if (ret) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "rpcsvc reconfigure options failed");
+ return (-1);
+ }
+ regpmap = rpcsvc_register_portmap_enabled(nfs->rpcsvc);
+ if (nfs->register_portmap != regpmap) {
+ nfs->register_portmap = regpmap;
+ if (regpmap) {
+ (void) nfs_program_register_portmap_all (nfs);
+ } else {
+ (void) nfs_program_unregister_portmap_all (nfs);
+ }
}
-out:
- return ret;
+ /* Reconfigure drc */
+ ret = rpcsvc_drc_reconfigure (nfs->rpcsvc, options);
+ if (ret) {
+ gf_log (GF_NFS, GF_LOG_ERROR,
+ "rpcsvc DRC reconfigure failed");
+ return (-1);
+ }
+
+ return (0);
}
-#endif /* glusterfs/nfs is restarted and reconfigure() is never called */
int
init (xlator_t *this) {
@@ -1361,7 +1725,7 @@ struct volume_options options[] = {
},
{ .key = {"rpc.outstanding-rpc-limit"},
.type = GF_OPTION_TYPE_INT,
- .min = 0,
+ .min = RPCSVC_MIN_OUTSTANDING_RPC_LIMIT,
.max = RPCSVC_MAX_OUTSTANDING_RPC_LIMIT,
.default_value = TOSTRING(RPCSVC_DEFAULT_OUTSTANDING_RPC_LIMIT),
.description = "Parameter to throttle the number of incoming RPC "
@@ -1446,8 +1810,8 @@ struct volume_options options[] = {
},
{ .key = {"nfs.drc"},
.type = GF_OPTION_TYPE_STR,
- .default_value = "off",
- .description = "Enable Duplicate Request Cache in gNfs server to "
+ .default_value = "on",
+ .description = "Enable Duplicate Request Cache in gNFS server to "
"improve correctness of non-idempotent operations like "
"write, delete, link, et al"
},
generated by cgit (git 2.34.1) at 2024-04-20 04:04:36 +0000