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-rw-r--r--0054-Revert-glusterd-storhaug-remove-ganesha.patch1912
1 files changed, 1912 insertions, 0 deletions
diff --git a/0054-Revert-glusterd-storhaug-remove-ganesha.patch b/0054-Revert-glusterd-storhaug-remove-ganesha.patch
new file mode 100644
index 0000000..261856c
--- /dev/null
+++ b/0054-Revert-glusterd-storhaug-remove-ganesha.patch
@@ -0,0 +1,1912 @@
+From 1029c27982d2f91cb2d3c4fcc19aa5171111dfb9 Mon Sep 17 00:00:00 2001
+From: Jiffin Tony Thottan <jthottan@redhat.com>
+Date: Mon, 16 Oct 2017 14:24:29 +0530
+Subject: [PATCH 054/124] Revert "glusterd: (storhaug) remove ganesha"
+
+This reverts commit 843e1b04b554ab887ec656ae7b468bb93ee4e2f7.
+
+Label: DOWNSTREAM ONLY
+
+Change-Id: I06b5450344c33f26da3d94b6f67051d41dfbba17
+Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
+Reviewed-on: https://code.engineering.redhat.com/gerrit/167103
+Reviewed-by: Soumya Koduri <skoduri@redhat.com>
+Tested-by: RHGS Build Bot <nigelb@redhat.com>
+Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
+---
+ cli/src/cli-cmd-global.c | 57 ++
+ cli/src/cli-cmd-parser.c | 122 ++-
+ cli/src/cli-cmd.c | 3 +-
+ cli/src/cli-rpc-ops.c | 82 ++
+ cli/src/cli.h | 4 +
+ xlators/mgmt/glusterd/src/Makefile.am | 4 +-
+ xlators/mgmt/glusterd/src/glusterd-errno.h | 2 +-
+ xlators/mgmt/glusterd/src/glusterd-ganesha.c | 915 +++++++++++++++++++++
+ xlators/mgmt/glusterd/src/glusterd-handler.c | 79 ++
+ xlators/mgmt/glusterd/src/glusterd-messages.h | 2 +-
+ xlators/mgmt/glusterd/src/glusterd-op-sm.c | 45 +-
+ .../mgmt/glusterd/src/glusterd-snapshot-utils.c | 196 +++++
+ xlators/mgmt/glusterd/src/glusterd-store.h | 2 +
+ xlators/mgmt/glusterd/src/glusterd-volume-ops.c | 37 +
+ xlators/mgmt/glusterd/src/glusterd-volume-set.c | 7 +
+ xlators/mgmt/glusterd/src/glusterd.h | 22 +
+ 16 files changed, 1568 insertions(+), 11 deletions(-)
+ create mode 100644 xlators/mgmt/glusterd/src/glusterd-ganesha.c
+
+diff --git a/cli/src/cli-cmd-global.c b/cli/src/cli-cmd-global.c
+index d0729ac..270b76f 100644
+--- a/cli/src/cli-cmd-global.c
++++ b/cli/src/cli-cmd-global.c
+@@ -36,6 +36,10 @@ int
+ cli_cmd_get_state_cbk(struct cli_state *state, struct cli_cmd_word *word,
+ const char **words, int wordcount);
+
++int
++cli_cmd_ganesha_cbk(struct cli_state *state, struct cli_cmd_word *word,
++ const char **words, int wordcount);
++
+ struct cli_cmd global_cmds[] = {
+ {
+ "global help",
+@@ -48,6 +52,11 @@ struct cli_cmd global_cmds[] = {
+ cli_cmd_get_state_cbk,
+ "Get local state representation of mentioned daemon",
+ },
++ {
++ "nfs-ganesha {enable| disable} ",
++ cli_cmd_ganesha_cbk,
++ "Enable/disable NFS-Ganesha support",
++ },
+ {NULL, NULL, NULL}};
+
+ int
+@@ -89,6 +98,54 @@ out:
+ }
+
+ int
++cli_cmd_ganesha_cbk(struct cli_state *state, struct cli_cmd_word *word,
++ const char **words, int wordcount)
++
++{
++ int sent = 0;
++ int parse_error = 0;
++ int ret = -1;
++ rpc_clnt_procedure_t *proc = NULL;
++ call_frame_t *frame = NULL;
++ dict_t *options = NULL;
++ cli_local_t *local = NULL;
++ char *op_errstr = NULL;
++
++ proc = &cli_rpc_prog->proctable[GLUSTER_CLI_GANESHA];
++
++ frame = create_frame(THIS, THIS->ctx->pool);
++ if (!frame)
++ goto out;
++
++ ret = cli_cmd_ganesha_parse(state, words, wordcount, &options, &op_errstr);
++ if (ret) {
++ if (op_errstr) {
++ cli_err("%s", op_errstr);
++ GF_FREE(op_errstr);
++ } else
++ cli_usage_out(word->pattern);
++ parse_error = 1;
++ goto out;
++ }
++
++ CLI_LOCAL_INIT(local, words, frame, options);
++
++ if (proc->fn) {
++ ret = proc->fn(frame, THIS, options);
++ }
++
++out:
++ if (ret) {
++ cli_cmd_sent_status_get(&sent);
++ if ((sent == 0) && (parse_error == 0))
++ cli_out("Setting global option failed");
++ }
++
++ CLI_STACK_DESTROY(frame);
++ return ret;
++}
++
++int
+ cli_cmd_get_state_cbk(struct cli_state *state, struct cli_cmd_word *word,
+ const char **words, int wordcount)
+ {
+diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
+index d9ccba1..cd9c445 100644
+--- a/cli/src/cli-cmd-parser.c
++++ b/cli/src/cli-cmd-parser.c
+@@ -1694,7 +1694,7 @@ cli_cmd_volume_set_parse(struct cli_state *state, const char **words,
+ }
+ }
+
+- if ((strcmp (key, "cluster.brick-multiplex") == 0)) {
++ if ((strcmp(key, "cluster.brick-multiplex") == 0)) {
+ question =
+ "Brick-multiplexing is supported only for "
+ "OCS converged or independent mode. Also it is "
+@@ -1703,11 +1703,12 @@ cli_cmd_volume_set_parse(struct cli_state *state, const char **words,
+ "are running before this option is modified."
+ "Do you still want to continue?";
+
+- answer = cli_cmd_get_confirmation (state, question);
++ answer = cli_cmd_get_confirmation(state, question);
+ if (GF_ANSWER_NO == answer) {
+- gf_log ("cli", GF_LOG_ERROR, "Operation "
+- "cancelled, exiting");
+- *op_errstr = gf_strdup ("Aborted by user.");
++ gf_log("cli", GF_LOG_ERROR,
++ "Operation "
++ "cancelled, exiting");
++ *op_errstr = gf_strdup("Aborted by user.");
+ ret = -1;
+ goto out;
+ }
+@@ -5848,3 +5849,114 @@ out:
+
+ return ret;
+ }
++
++/* Parsing global option for NFS-Ganesha config
++ * gluster nfs-ganesha enable/disable */
++
++int32_t
++cli_cmd_ganesha_parse(struct cli_state *state, const char **words,
++ int wordcount, dict_t **options, char **op_errstr)
++{
++ dict_t *dict = NULL;
++ int ret = -1;
++ char *key = NULL;
++ char *value = NULL;
++ char *w = NULL;
++ char *opwords[] = {"enable", "disable", NULL};
++ const char *question = NULL;
++ gf_answer_t answer = GF_ANSWER_NO;
++
++ GF_ASSERT(words);
++ GF_ASSERT(options);
++
++ dict = dict_new();
++
++ if (!dict)
++ goto out;
++
++ if (wordcount != 2)
++ goto out;
++
++ key = (char *)words[0];
++ value = (char *)words[1];
++
++ if (!key || !value) {
++ cli_out("Usage : nfs-ganesha <enable/disable>");
++ ret = -1;
++ goto out;
++ }
++
++ ret = gf_strip_whitespace(value, strlen(value));
++ if (ret == -1)
++ goto out;
++
++ if (strcmp(key, "nfs-ganesha")) {
++ gf_asprintf(op_errstr,
++ "Global option: error: ' %s '"
++ "is not a valid global option.",
++ key);
++ ret = -1;
++ goto out;
++ }
++
++ w = str_getunamb(value, opwords);
++ if (!w) {
++ cli_out(
++ "Invalid global option \n"
++ "Usage : nfs-ganesha <enable/disable>");
++ ret = -1;
++ goto out;
++ }
++
++ question =
++ "Enabling NFS-Ganesha requires Gluster-NFS to be"
++ " disabled across the trusted pool. Do you "
++ "still want to continue?\n";
++
++ if (strcmp(value, "enable") == 0) {
++ answer = cli_cmd_get_confirmation(state, question);
++ if (GF_ANSWER_NO == answer) {
++ gf_log("cli", GF_LOG_ERROR,
++ "Global operation "
++ "cancelled, exiting");
++ ret = -1;
++ goto out;
++ }
++ }
++ cli_out("This will take a few minutes to complete. Please wait ..");
++
++ ret = dict_set_str(dict, "key", key);
++ if (ret) {
++ gf_log(THIS->name, GF_LOG_ERROR, "dict set on key failed");
++ goto out;
++ }
++
++ ret = dict_set_str(dict, "value", value);
++ if (ret) {
++ gf_log(THIS->name, GF_LOG_ERROR, "dict set on value failed");
++ goto out;
++ }
++
++ ret = dict_set_str(dict, "globalname", "All");
++ if (ret) {
++ gf_log(THIS->name, GF_LOG_ERROR,
++ "dict set on global"
++ " key failed.");
++ goto out;
++ }
++
++ ret = dict_set_int32(dict, "hold_global_locks", _gf_true);
++ if (ret) {
++ gf_log(THIS->name, GF_LOG_ERROR,
++ "dict set on global key "
++ "failed.");
++ goto out;
++ }
++
++ *options = dict;
++out:
++ if (ret)
++ dict_unref(dict);
++
++ return ret;
++}
+diff --git a/cli/src/cli-cmd.c b/cli/src/cli-cmd.c
+index 2ee8b1b..8c06905 100644
+--- a/cli/src/cli-cmd.c
++++ b/cli/src/cli-cmd.c
+@@ -366,7 +366,8 @@ cli_cmd_submit(struct rpc_clnt *rpc, void *req, call_frame_t *frame,
+ unsigned timeout = 0;
+
+ if ((GLUSTER_CLI_PROFILE_VOLUME == procnum) ||
+- (GLUSTER_CLI_HEAL_VOLUME == procnum))
++ (GLUSTER_CLI_HEAL_VOLUME == procnum) ||
++ (GLUSTER_CLI_GANESHA == procnum))
+ timeout = cli_ten_minutes_timeout;
+ else
+ timeout = cli_default_conn_timeout;
+diff --git a/cli/src/cli-rpc-ops.c b/cli/src/cli-rpc-ops.c
+index 12e7fcc..736cd18 100644
+--- a/cli/src/cli-rpc-ops.c
++++ b/cli/src/cli-rpc-ops.c
+@@ -2207,6 +2207,62 @@ out:
+ return ret;
+ }
+
++int
++gf_cli_ganesha_cbk(struct rpc_req *req, struct iovec *iov, int count,
++ void *myframe)
++{
++ gf_cli_rsp rsp = {
++ 0,
++ };
++ int ret = -1;
++ dict_t *dict = NULL;
++
++ GF_ASSERT(myframe);
++
++ if (-1 == req->rpc_status) {
++ goto out;
++ }
++
++ ret = xdr_to_generic(*iov, &rsp, (xdrproc_t)xdr_gf_cli_rsp);
++ if (ret < 0) {
++ gf_log(((call_frame_t *)myframe)->this->name, GF_LOG_ERROR,
++ "Failed to decode xdr response");
++ goto out;
++ }
++
++ gf_log("cli", GF_LOG_DEBUG, "Received resp to ganesha");
++
++ dict = dict_new();
++
++ if (!dict) {
++ ret = -1;
++ goto out;
++ }
++
++ ret = dict_unserialize(rsp.dict.dict_val, rsp.dict.dict_len, &dict);
++ if (ret)
++ goto out;
++
++ if (rsp.op_ret) {
++ if (strcmp(rsp.op_errstr, ""))
++ cli_err("nfs-ganesha: failed: %s", rsp.op_errstr);
++ else
++ cli_err("nfs-ganesha: failed");
++ }
++
++ else {
++ cli_out("nfs-ganesha : success ");
++ }
++
++ ret = rsp.op_ret;
++
++out:
++ if (dict)
++ dict_unref(dict);
++ cli_cmd_broadcast_response(ret);
++ return ret;
++}
++
+ char *
+ is_server_debug_xlator(void *myframe)
+ {
+@@ -4880,6 +4936,31 @@ out:
+ }
+
+ int32_t
++gf_cli_ganesha(call_frame_t *frame, xlator_t *this, void *data)
++{
++ gf_cli_req req = {{
++ 0,
++ }};
++ int ret = 0;
++ dict_t *dict = NULL;
++
++ if (!frame || !this || !data) {
++ ret = -1;
++ goto out;
++ }
++
++ dict = data;
++
++ ret = cli_to_glusterd(&req, frame, gf_cli_ganesha_cbk,
++ (xdrproc_t)xdr_gf_cli_req, dict, GLUSTER_CLI_GANESHA,
++ this, cli_rpc_prog, NULL);
++out:
++ gf_log("cli", GF_LOG_DEBUG, "Returning %d", ret);
++
++ return ret;
++}
++
++int32_t
+ gf_cli_set_volume(call_frame_t *frame, xlator_t *this, void *data)
+ {
+ gf_cli_req req = {{
+@@ -12214,6 +12295,7 @@ struct rpc_clnt_procedure gluster_cli_actors[GLUSTER_CLI_MAXVALUE] = {
+ [GLUSTER_CLI_SYS_EXEC] = {"SYS_EXEC", gf_cli_sys_exec},
+ [GLUSTER_CLI_SNAP] = {"SNAP", gf_cli_snapshot},
+ [GLUSTER_CLI_BARRIER_VOLUME] = {"BARRIER VOLUME", gf_cli_barrier_volume},
++ [GLUSTER_CLI_GANESHA] = {"GANESHA", gf_cli_ganesha},
+ [GLUSTER_CLI_GET_VOL_OPT] = {"GET_VOL_OPT", gf_cli_get_vol_opt},
+ [GLUSTER_CLI_BITROT] = {"BITROT", gf_cli_bitrot},
+ [GLUSTER_CLI_ATTACH_TIER] = {"ATTACH_TIER", gf_cli_attach_tier},
+diff --git a/cli/src/cli.h b/cli/src/cli.h
+index b79a0a2..37e4d9d 100644
+--- a/cli/src/cli.h
++++ b/cli/src/cli.h
+@@ -282,6 +282,10 @@ cli_cmd_volume_set_parse(struct cli_state *state, const char **words,
+ int wordcount, dict_t **options, char **op_errstr);
+
+ int32_t
++cli_cmd_ganesha_parse(struct cli_state *state, const char **words,
++ int wordcount, dict_t **options, char **op_errstr);
++
++int32_t
+ cli_cmd_get_state_parse(struct cli_state *state, const char **words,
+ int wordcount, dict_t **options, char **op_errstr);
+
+diff --git a/xlators/mgmt/glusterd/src/Makefile.am b/xlators/mgmt/glusterd/src/Makefile.am
+index c8dd8e3..5fe5156 100644
+--- a/xlators/mgmt/glusterd/src/Makefile.am
++++ b/xlators/mgmt/glusterd/src/Makefile.am
+@@ -10,7 +10,7 @@ glusterd_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS) $(LIB_DL)
+ glusterd_la_SOURCES = glusterd.c glusterd-handler.c glusterd-sm.c \
+ glusterd-op-sm.c glusterd-utils.c glusterd-rpc-ops.c \
+ glusterd-store.c glusterd-handshake.c glusterd-pmap.c \
+- glusterd-volgen.c glusterd-rebalance.c \
++ glusterd-volgen.c glusterd-rebalance.c glusterd-ganesha.c \
+ glusterd-quota.c glusterd-bitrot.c glusterd-geo-rep.c \
+ glusterd-replace-brick.c glusterd-log-ops.c glusterd-tier.c \
+ glusterd-volume-ops.c glusterd-brick-ops.c glusterd-mountbroker.c \
+@@ -52,6 +52,8 @@ AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
+ -I$(CONTRIBDIR)/mount -I$(CONTRIBDIR)/userspace-rcu \
+ -DSBIN_DIR=\"$(sbindir)\" -DDATADIR=\"$(localstatedir)\" \
+ -DGSYNCD_PREFIX=\"$(GLUSTERFS_LIBEXECDIR)\" \
++ -DCONFDIR=\"$(localstatedir)/run/gluster/shared_storage/nfs-ganesha\" \
++ -DGANESHA_PREFIX=\"$(libexecdir)/ganesha\" \
+ -DSYNCDAEMON_COMPILE=$(SYNCDAEMON_COMPILE)
+
+
+diff --git a/xlators/mgmt/glusterd/src/glusterd-errno.h b/xlators/mgmt/glusterd/src/glusterd-errno.h
+index 7e1575b..c74070e 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-errno.h
++++ b/xlators/mgmt/glusterd/src/glusterd-errno.h
+@@ -27,7 +27,7 @@ enum glusterd_op_errno {
+ EG_ISSNAP = 30813, /* Volume is a snap volume */
+ EG_GEOREPRUN = 30814, /* Geo-Replication is running */
+ EG_NOTTHINP = 30815, /* Bricks are not thinly provisioned */
+- EG_NOGANESHA = 30816, /* obsolete ganesha is not enabled */
++ EG_NOGANESHA = 30816, /* Global ganesha is not enabled */
+ };
+
+ #endif
+diff --git a/xlators/mgmt/glusterd/src/glusterd-ganesha.c b/xlators/mgmt/glusterd/src/glusterd-ganesha.c
+new file mode 100644
+index 0000000..fac16e6
+--- /dev/null
++++ b/xlators/mgmt/glusterd/src/glusterd-ganesha.c
+@@ -0,0 +1,915 @@
++/*
++ Copyright (c) 2015 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 <glusterfs/common-utils.h>
++#include "glusterd.h"
++#include "glusterd-op-sm.h"
++#include "glusterd-store.h"
++#include "glusterd-utils.h"
++#include "glusterd-nfs-svc.h"
++#include "glusterd-volgen.h"
++#include "glusterd-messages.h"
++#include <glusterfs/syscall.h>
++
++#include <ctype.h>
++
++int
++start_ganesha(char **op_errstr);
++
++typedef struct service_command {
++ char *binary;
++ char *service;
++ int (*action)(struct service_command *, char *);
++} service_command;
++
++/* parsing_ganesha_ha_conf will allocate the returned string
++ * to be freed (GF_FREE) by the caller
++ * return NULL if error or not found */
++static char *
++parsing_ganesha_ha_conf(const char *key)
++{
++#define MAX_LINE 1024
++ char scratch[MAX_LINE * 2] = {
++ 0,
++ };
++ char *value = NULL, *pointer = NULL, *end_pointer = NULL;
++ FILE *fp;
++
++ fp = fopen(GANESHA_HA_CONF, "r");
++ if (fp == NULL) {
++ gf_msg(THIS->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED,
++ "couldn't open the file %s", GANESHA_HA_CONF);
++ goto end_ret;
++ }
++ while ((pointer = fgets(scratch, MAX_LINE, fp)) != NULL) {
++ /* Read config file until we get matching "^[[:space:]]*key" */
++ if (*pointer == '#') {
++ continue;
++ }
++ while (isblank(*pointer)) {
++ pointer++;
++ }
++ if (strncmp(pointer, key, strlen(key))) {
++ continue;
++ }
++ pointer += strlen(key);
++ /* key found : if we fail to parse, we'll return an error
++ * rather than trying next one
++ * - supposition : conf file is bash compatible : no space
++ * around the '=' */
++ if (*pointer != '=') {
++ gf_msg(THIS->name, GF_LOG_ERROR, errno,
++ GD_MSG_GET_CONFIG_INFO_FAILED, "Parsing %s failed at key %s",
++ GANESHA_HA_CONF, key);
++ goto end_close;
++ }
++ pointer++; /* jump the '=' */
++
++ if (*pointer == '"' || *pointer == '\'') {
++ /* dont get the quote */
++ pointer++;
++ }
++ end_pointer = pointer;
++ /* stop at the next closing quote or blank/newline */
++ do {
++ end_pointer++;
++ } while (!(*end_pointer == '\'' || *end_pointer == '"' ||
++ isspace(*end_pointer) || *end_pointer == '\0'));
++ *end_pointer = '\0';
++
++ /* got it. copy it and return */
++ value = gf_strdup(pointer);
++ break;
++ }
++
++end_close:
++ fclose(fp);
++end_ret:
++ return value;
++}
++
++static int
++sc_systemctl_action(struct service_command *sc, char *command)
++{
++ runner_t runner = {
++ 0,
++ };
++
++ runinit(&runner);
++ runner_add_args(&runner, sc->binary, command, sc->service, NULL);
++ return runner_run(&runner);
++}
++
++static int
++sc_service_action(struct service_command *sc, char *command)
++{
++ runner_t runner = {
++ 0,
++ };
++
++ runinit(&runner);
++ runner_add_args(&runner, sc->binary, sc->service, command, NULL);
++ return runner_run(&runner);
++}
++
++static int
++manage_service(char *action)
++{
++ struct stat stbuf = {
++ 0,
++ };
++ int i = 0;
++ int ret = 0;
++ struct service_command sc_list[] = {{.binary = "/usr/bin/systemctl",
++ .service = "nfs-ganesha",
++ .action = sc_systemctl_action},
++ {.binary = "/sbin/invoke-rc.d",
++ .service = "nfs-ganesha",
++ .action = sc_service_action},
++ {.binary = "/sbin/service",
++ .service = "nfs-ganesha",
++ .action = sc_service_action},
++ {.binary = NULL}};
++
++ while (sc_list[i].binary != NULL) {
++ ret = sys_stat(sc_list[i].binary, &stbuf);
++ if (ret == 0) {
++ gf_msg_debug(THIS->name, 0, "%s found.", sc_list[i].binary);
++ if (strcmp(sc_list[i].binary, "/usr/bin/systemctl") == 0)
++ ret = sc_systemctl_action(&sc_list[i], action);
++ else
++ ret = sc_service_action(&sc_list[i], action);
++
++ return ret;
++ }
++ i++;
++ }
++ gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_UNRECOGNIZED_SVC_MNGR,
++ "Could not %s NFS-Ganesha.Service manager for distro"
++ " not recognized.",
++ action);
++ return ret;
++}
++
++/*
++ * Check if the cluster is a ganesha cluster or not *
++ */
++gf_boolean_t
++glusterd_is_ganesha_cluster()
++{
++ int ret = -1;
++ glusterd_conf_t *priv = NULL;
++ xlator_t *this = NULL;
++ gf_boolean_t ret_bool = _gf_false;
++
++ this = THIS;
++ GF_VALIDATE_OR_GOTO("ganesha", this, out);
++ priv = this->private;
++ GF_VALIDATE_OR_GOTO(this->name, priv, out);
++
++ ret = dict_get_str_boolean(priv->opts, GLUSTERD_STORE_KEY_GANESHA_GLOBAL,
++ _gf_false);
++ if (ret == _gf_true) {
++ ret_bool = _gf_true;
++ gf_msg_debug(this->name, 0, "nfs-ganesha is enabled for the cluster");
++ } else
++ gf_msg_debug(this->name, 0, "nfs-ganesha is disabled for the cluster");
++
++out:
++ return ret_bool;
++}
++
++/* Check if ganesha.enable is set to 'on', that checks if
++ * a particular volume is exported via NFS-Ganesha */
++gf_boolean_t
++glusterd_check_ganesha_export(glusterd_volinfo_t *volinfo)
++{
++ char *value = NULL;
++ gf_boolean_t is_exported = _gf_false;
++ int ret = 0;
++
++ ret = glusterd_volinfo_get(volinfo, "ganesha.enable", &value);
++ if ((ret == 0) && value) {
++ if (strcmp(value, "on") == 0) {
++ gf_msg_debug(THIS->name, 0,
++ "ganesha.enable set"
++ " to %s",
++ value);
++ is_exported = _gf_true;
++ }
++ }
++ return is_exported;
++}
++
++/* *
++ * The below function is called as part of commit phase for volume set option
++ * "ganesha.enable". If the value is "on", it creates export configuration file
++ * and then export the volume via dbus command. Incase of "off", the volume
++ * will be already unexported during stage phase, so it will remove the conf
++ * file from shared storage
++ */
++int
++glusterd_check_ganesha_cmd(char *key, char *value, char **errstr, dict_t *dict)
++{
++ int ret = 0;
++ char *volname = NULL;
++
++ GF_ASSERT(key);
++ GF_ASSERT(value);
++ GF_ASSERT(dict);
++
++ if ((strcmp(key, "ganesha.enable") == 0)) {
++ if ((strcmp(value, "on")) && (strcmp(value, "off"))) {
++ gf_asprintf(errstr,
++ "Invalid value"
++ " for volume set command. Use on/off only.");
++ ret = -1;
++ goto out;
++ }
++ if (strcmp(value, "on") == 0) {
++ ret = glusterd_handle_ganesha_op(dict, errstr, key, value);
++
++ } else if (is_origin_glusterd(dict)) {
++ ret = dict_get_str(dict, "volname", &volname);
++ if (ret) {
++ gf_msg("glusterd-ganesha", GF_LOG_ERROR, errno,
++ GD_MSG_DICT_GET_FAILED, "Unable to get volume name");
++ goto out;
++ }
++ ret = manage_export_config(volname, "off", errstr);
++ }
++ }
++out:
++ if (ret) {
++ gf_msg("glusterd-ganesha", GF_LOG_ERROR, 0,
++ GD_MSG_NFS_GNS_OP_HANDLE_FAIL,
++ "Handling NFS-Ganesha"
++ " op failed.");
++ }
++ return ret;
++}
++
++int
++glusterd_op_stage_set_ganesha(dict_t *dict, char **op_errstr)
++{
++ int ret = -1;
++ int value = -1;
++ gf_boolean_t option = _gf_false;
++ char *str = NULL;
++ glusterd_conf_t *priv = NULL;
++ xlator_t *this = NULL;
++
++ GF_ASSERT(dict);
++ this = THIS;
++ GF_ASSERT(this);
++ priv = this->private;
++ GF_ASSERT(priv);
++
++ value = dict_get_str_boolean(dict, "value", _gf_false);
++ if (value == -1) {
++ gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED,
++ "value not present.");
++ goto out;
++ }
++ /* This dict_get will fail if the user had never set the key before */
++ /*Ignoring the ret value and proceeding */
++ ret = dict_get_str(priv->opts, GLUSTERD_STORE_KEY_GANESHA_GLOBAL, &str);
++ if (ret == -1) {
++ gf_msg(this->name, GF_LOG_WARNING, errno, GD_MSG_DICT_GET_FAILED,
++ "Global dict not present.");
++ ret = 0;
++ goto out;
++ }
++ /* Validity of the value is already checked */
++ ret = gf_string2boolean(str, &option);
++ /* Check if the feature is already enabled, fail in that case */
++ if (value == option) {
++ gf_asprintf(op_errstr, "nfs-ganesha is already %sd.", str);
++ ret = -1;
++ goto out;
++ }
++
++ if (value) {
++ ret = start_ganesha(op_errstr);
++ if (ret) {
++ gf_msg(THIS->name, GF_LOG_ERROR, 0, GD_MSG_NFS_GNS_START_FAIL,
++ "Could not start NFS-Ganesha");
++ }
++ } else {
++ ret = stop_ganesha(op_errstr);
++ if (ret)
++ gf_msg_debug(THIS->name, 0,
++ "Could not stop "
++ "NFS-Ganesha.");
++ }
++
++out:
++
++ if (ret) {
++ if (!(*op_errstr)) {
++ *op_errstr = gf_strdup("Error, Validation Failed");
++ gf_msg_debug(this->name, 0, "Error, Cannot Validate option :%s",
++ GLUSTERD_STORE_KEY_GANESHA_GLOBAL);
++ } else {
++ gf_msg_debug(this->name, 0, "Error, Cannot Validate option");
++ }
++ }
++ return ret;
++}
++
++int
++glusterd_op_set_ganesha(dict_t *dict, char **errstr)
++{
++ int ret = 0;
++ xlator_t *this = NULL;
++ glusterd_conf_t *priv = NULL;
++ char *key = NULL;
++ char *value = NULL;
++ char *next_version = NULL;
++
++ this = THIS;
++ GF_ASSERT(this);
++ GF_ASSERT(dict);
++
++ priv = this->private;
++ GF_ASSERT(priv);
++
++ ret = dict_get_str(dict, "key", &key);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED,
++ "Couldn't get key in global option set");
++ goto out;
++ }
++
++ ret = dict_get_str(dict, "value", &value);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED,
++ "Couldn't get value in global option set");
++ goto out;
++ }
++
++ ret = glusterd_handle_ganesha_op(dict, errstr, key, value);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_NFS_GNS_SETUP_FAIL,
++ "Initial NFS-Ganesha set up failed");
++ ret = -1;
++ goto out;
++ }
++ ret = dict_set_dynstr_with_alloc(priv->opts,
++ GLUSTERD_STORE_KEY_GANESHA_GLOBAL, value);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_WARNING, errno, GD_MSG_DICT_SET_FAILED,
++ "Failed to set"
++ " nfs-ganesha in dict.");
++ goto out;
++ }
++ ret = glusterd_get_next_global_opt_version_str(priv->opts, &next_version);
++ if (ret) {
++ gf_msg_debug(THIS->name, 0,
++ "Could not fetch "
++ " global op version");
++ goto out;
++ }
++ ret = dict_set_str(priv->opts, GLUSTERD_GLOBAL_OPT_VERSION, next_version);
++ if (ret)
++ goto out;
++
++ ret = glusterd_store_options(this, priv->opts);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_STORE_FAIL,
++ "Failed to store options");
++ goto out;
++ }
++
++out:
++ gf_msg_debug(this->name, 0, "returning %d", ret);
++ return ret;
++}
++
++/* Following function parse GANESHA_HA_CONF
++ * The sample file looks like below,
++ * HA_NAME="ganesha-ha-360"
++ * HA_VOL_NAME="ha-state"
++ * HA_CLUSTER_NODES="server1,server2"
++ * VIP_rhs_1="10.x.x.x"
++ * VIP_rhs_2="10.x.x.x." */
++
++/* Check if the localhost is listed as one of nfs-ganesha nodes */
++gf_boolean_t
++check_host_list(void)
++{
++ glusterd_conf_t *priv = NULL;
++ char *hostname, *hostlist;
++ gf_boolean_t ret = _gf_false;
++ xlator_t *this = NULL;
++
++ this = THIS;
++ priv = THIS->private;
++ GF_ASSERT(priv);
++
++ hostlist = parsing_ganesha_ha_conf("HA_CLUSTER_NODES");
++ if (hostlist == NULL) {
++ gf_msg(this->name, GF_LOG_INFO, errno, GD_MSG_GET_CONFIG_INFO_FAILED,
++ "couldn't get HA_CLUSTER_NODES from file %s", GANESHA_HA_CONF);
++ return _gf_false;
++ }
++
++ /* Hostlist is a comma separated list now */
++ hostname = strtok(hostlist, ",");
++ while (hostname != NULL) {
++ ret = gf_is_local_addr(hostname);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_NFS_GNS_HOST_FOUND,
++ "ganesha host found "
++ "Hostname is %s",
++ hostname);
++ break;
++ }
++ hostname = strtok(NULL, ",");
++ }
++
++ GF_FREE(hostlist);
++ return ret;
++}
++
++int
++manage_export_config(char *volname, char *value, char **op_errstr)
++{
++ runner_t runner = {
++ 0,
++ };
++ int ret = -1;
++
++ GF_ASSERT(volname);
++ runinit(&runner);
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/create-export-ganesha.sh",
++ CONFDIR, value, volname, NULL);
++ ret = runner_run(&runner);
++
++ if (ret)
++ gf_asprintf(op_errstr,
++ "Failed to create"
++ " NFS-Ganesha export config file.");
++
++ return ret;
++}
++
++/* Exports and unexports a particular volume via NFS-Ganesha */
++int
++ganesha_manage_export(dict_t *dict, char *value, char **op_errstr)
++{
++ runner_t runner = {
++ 0,
++ };
++ int ret = -1;
++ glusterd_volinfo_t *volinfo = NULL;
++ dict_t *vol_opts = NULL;
++ char *volname = NULL;
++ xlator_t *this = NULL;
++ glusterd_conf_t *priv = NULL;
++ gf_boolean_t option = _gf_false;
++
++ runinit(&runner);
++ this = THIS;
++ GF_ASSERT(this);
++ priv = this->private;
++
++ GF_ASSERT(value);
++ GF_ASSERT(dict);
++ GF_ASSERT(priv);
++
++ ret = dict_get_str(dict, "volname", &volname);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_DICT_GET_FAILED,
++ "Unable to get volume name");
++ goto out;
++ }
++ ret = gf_string2boolean(value, &option);
++ if (ret == -1) {
++ gf_msg(this->name, GF_LOG_ERROR, EINVAL, GD_MSG_INVALID_ENTRY,
++ "invalid value.");
++ goto out;
++ }
++
++ ret = glusterd_volinfo_find(volname, &volinfo);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, EINVAL, GD_MSG_VOL_NOT_FOUND,
++ FMTSTR_CHECK_VOL_EXISTS, volname);
++ goto out;
++ }
++
++ ret = glusterd_check_ganesha_export(volinfo);
++ if (ret && option) {
++ gf_asprintf(op_errstr,
++ "ganesha.enable "
++ "is already 'on'.");
++ ret = -1;
++ goto out;
++
++ } else if (!option && !ret) {
++ gf_asprintf(op_errstr,
++ "ganesha.enable "
++ "is already 'off'.");
++ ret = -1;
++ goto out;
++ }
++
++ /* Check if global option is enabled, proceed only then */
++ ret = dict_get_str_boolean(priv->opts, GLUSTERD_STORE_KEY_GANESHA_GLOBAL,
++ _gf_false);
++ if (ret == -1) {
++ gf_msg_debug(this->name, 0,
++ "Failed to get "
++ "global option dict.");
++ gf_asprintf(op_errstr,
++ "The option "
++ "nfs-ganesha should be "
++ "enabled before setting ganesha.enable.");
++ goto out;
++ }
++ if (!ret) {
++ gf_asprintf(op_errstr,
++ "The option "
++ "nfs-ganesha should be "
++ "enabled before setting ganesha.enable.");
++ ret = -1;
++ goto out;
++ }
++
++ /* *
++ * Create the export file from the node where ganesha.enable "on"
++ * is executed
++ * */
++ if (option) {
++ ret = manage_export_config(volname, "on", op_errstr);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_EXPORT_FILE_CREATE_FAIL,
++ "Failed to create"
++ "export file for NFS-Ganesha\n");
++ goto out;
++ }
++ }
++
++ if (check_host_list()) {
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/dbus-send.sh", CONFDIR,
++ value, volname, NULL);
++ ret = runner_run(&runner);
++ if (ret) {
++ gf_asprintf(op_errstr,
++ "Dynamic export"
++ " addition/deletion failed."
++ " Please see log file for details");
++ goto out;
++ }
++ }
++
++ vol_opts = volinfo->dict;
++ ret = dict_set_dynstr_with_alloc(vol_opts, "features.cache-invalidation",
++ value);
++ if (ret)
++ gf_asprintf(op_errstr,
++ "Cache-invalidation could not"
++ " be set to %s.",
++ value);
++ ret = glusterd_store_volinfo(volinfo, GLUSTERD_VOLINFO_VER_AC_INCREMENT);
++ if (ret)
++ gf_asprintf(op_errstr, "failed to store volinfo for %s",
++ volinfo->volname);
++
++out:
++ return ret;
++}
++
++int
++tear_down_cluster(gf_boolean_t run_teardown)
++{
++ int ret = 0;
++ runner_t runner = {
++ 0,
++ };
++ struct stat st = {
++ 0,
++ };
++ DIR *dir = NULL;
++ struct dirent *entry = NULL;
++ struct dirent scratch[2] = {
++ {
++ 0,
++ },
++ };
++ char path[PATH_MAX] = {
++ 0,
++ };
++
++ if (run_teardown) {
++ runinit(&runner);
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/ganesha-ha.sh",
++ "teardown", CONFDIR, NULL);
++ ret = runner_run(&runner);
++ /* *
++ * Remove all the entries in CONFDIR expect ganesha.conf and
++ * ganesha-ha.conf
++ */
++ dir = sys_opendir(CONFDIR);
++ if (!dir) {
++ gf_msg_debug(THIS->name, 0,
++ "Failed to open directory %s. "
++ "Reason : %s",
++ CONFDIR, strerror(errno));
++ ret = 0;
++ goto out;
++ }
++
++ GF_SKIP_IRRELEVANT_ENTRIES(entry, dir, scratch);
++ while (entry) {
++ snprintf(path, PATH_MAX, "%s/%s", CONFDIR, entry->d_name);
++ ret = sys_lstat(path, &st);
++ if (ret == -1) {
++ gf_msg_debug(THIS->name, 0,
++ "Failed to stat entry %s :"
++ " %s",
++ path, strerror(errno));
++ goto out;
++ }
++
++ if (strcmp(entry->d_name, "ganesha.conf") == 0 ||
++ strcmp(entry->d_name, "ganesha-ha.conf") == 0)
++ gf_msg_debug(THIS->name, 0,
++ " %s is not required"
++ " to remove",
++ path);
++ else if (S_ISDIR(st.st_mode))
++ ret = recursive_rmdir(path);
++ else
++ ret = sys_unlink(path);
++
++ if (ret) {
++ gf_msg_debug(THIS->name, 0,
++ " Failed to remove %s. "
++ "Reason : %s",
++ path, strerror(errno));
++ }
++
++ gf_msg_debug(THIS->name, 0, "%s %s",
++ ret ? "Failed to remove" : "Removed", entry->d_name);
++ GF_SKIP_IRRELEVANT_ENTRIES(entry, dir, scratch);
++ }
++
++ ret = sys_closedir(dir);
++ if (ret) {
++ gf_msg_debug(THIS->name, 0,
++ "Failed to close dir %s. Reason :"
++ " %s",
++ CONFDIR, strerror(errno));
++ }
++ }
++
++out:
++ return ret;
++}
++
++int
++setup_cluster(gf_boolean_t run_setup)
++{
++ int ret = 0;
++ runner_t runner = {
++ 0,
++ };
++
++ if (run_setup) {
++ runinit(&runner);
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/ganesha-ha.sh", "setup",
++ CONFDIR, NULL);
++ ret = runner_run(&runner);
++ }
++ return ret;
++}
++
++static int
++teardown(gf_boolean_t run_teardown, char **op_errstr)
++{
++ runner_t runner = {
++ 0,
++ };
++ int ret = 1;
++ glusterd_volinfo_t *volinfo = NULL;
++ glusterd_conf_t *priv = NULL;
++ dict_t *vol_opts = NULL;
++
++ priv = THIS->private;
++
++ ret = tear_down_cluster(run_teardown);
++ if (ret == -1) {
++ gf_asprintf(op_errstr,
++ "Cleanup of NFS-Ganesha"
++ " HA config failed.");
++ goto out;
++ }
++
++ runinit(&runner);
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/ganesha-ha.sh", "cleanup",
++ CONFDIR, NULL);
++ ret = runner_run(&runner);
++ if (ret)
++ gf_msg_debug(THIS->name, 0,
++ "Could not clean up"
++ " NFS-Ganesha related config");
++
++ cds_list_for_each_entry(volinfo, &priv->volumes, vol_list)
++ {
++ vol_opts = volinfo->dict;
++ /* All the volumes exported via NFS-Ganesha will be
++ unexported, hence setting the appropriate keys */
++ ret = dict_set_str(vol_opts, "features.cache-invalidation", "off");
++ if (ret)
++ gf_msg(THIS->name, GF_LOG_WARNING, errno, GD_MSG_DICT_SET_FAILED,
++ "Could not set features.cache-invalidation "
++ "to off for %s",
++ volinfo->volname);
++
++ ret = dict_set_str(vol_opts, "ganesha.enable", "off");
++ if (ret)
++ gf_msg(THIS->name, GF_LOG_WARNING, errno, GD_MSG_DICT_SET_FAILED,
++ "Could not set ganesha.enable to off for %s",
++ volinfo->volname);
++
++ ret = glusterd_store_volinfo(volinfo,
++ GLUSTERD_VOLINFO_VER_AC_INCREMENT);
++ if (ret)
++ gf_msg(THIS->name, GF_LOG_WARNING, 0, GD_MSG_VOLINFO_SET_FAIL,
++ "failed to store volinfo for %s", volinfo->volname);
++ }
++out:
++ return ret;
++}
++
++int
++stop_ganesha(char **op_errstr)
++{
++ int ret = 0;
++ runner_t runner = {
++ 0,
++ };
++
++ runinit(&runner);
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/ganesha-ha.sh",
++ "--setup-ganesha-conf-files", CONFDIR, "no", NULL);
++ ret = runner_run(&runner);
++ if (ret) {
++ gf_asprintf(op_errstr,
++ "removal of symlink ganesha.conf "
++ "in /etc/ganesha failed");
++ }
++
++ if (check_host_list()) {
++ ret = manage_service("stop");
++ if (ret)
++ gf_asprintf(op_errstr,
++ "NFS-Ganesha service could not"
++ "be stopped.");
++ }
++ return ret;
++}
++
++int
++start_ganesha(char **op_errstr)
++{
++ int ret = -1;
++ dict_t *vol_opts = NULL;
++ glusterd_volinfo_t *volinfo = NULL;
++ glusterd_conf_t *priv = NULL;
++ runner_t runner = {
++ 0,
++ };
++
++ priv = THIS->private;
++ GF_ASSERT(priv);
++
++ cds_list_for_each_entry(volinfo, &priv->volumes, vol_list)
++ {
++ vol_opts = volinfo->dict;
++ /* Gluster-nfs has to be disabled across the trusted pool */
++ /* before attempting to start nfs-ganesha */
++ ret = dict_set_str(vol_opts, NFS_DISABLE_MAP_KEY, "on");
++ if (ret)
++ goto out;
++
++ ret = glusterd_store_volinfo(volinfo,
++ GLUSTERD_VOLINFO_VER_AC_INCREMENT);
++ if (ret) {
++ *op_errstr = gf_strdup(
++ "Failed to store the "
++ "Volume information");
++ goto out;
++ }
++ }
++
++ /* If the nfs svc is not initialized it means that the service is not
++ * running, hence we can skip the process of stopping gluster-nfs
++ * service
++ */
++ if (priv->nfs_svc.inited) {
++ ret = priv->nfs_svc.stop(&(priv->nfs_svc), SIGKILL);
++ if (ret) {
++ ret = -1;
++ gf_asprintf(op_errstr,
++ "Gluster-NFS service could"
++ "not be stopped, exiting.");
++ goto out;
++ }
++ }
++
++ if (check_host_list()) {
++ runinit(&runner);
++ runner_add_args(&runner, "sh", GANESHA_PREFIX "/ganesha-ha.sh",
++ "--setup-ganesha-conf-files", CONFDIR, "yes", NULL);
++ ret = runner_run(&runner);
++ if (ret) {
++ gf_asprintf(op_errstr,
++ "creation of symlink ganesha.conf "
++ "in /etc/ganesha failed");
++ goto out;
++ }
++ ret = manage_service("start");
++ if (ret)
++ gf_asprintf(op_errstr,
++ "NFS-Ganesha failed to start."
++ "Please see log file for details");
++ }
++
++out:
++ return ret;
++}
++
++static int
++pre_setup(gf_boolean_t run_setup, char **op_errstr)
++{
++ int ret = 0;
++
++ ret = check_host_list();
++
++ if (ret) {
++ ret = setup_cluster(run_setup);
++ if (ret == -1)
++ gf_asprintf(op_errstr,
++ "Failed to set up HA "
++ "config for NFS-Ganesha. "
++ "Please check the log file for details");
++ }
++
++ return ret;
++}
++
++int
++glusterd_handle_ganesha_op(dict_t *dict, char **op_errstr, char *key,
++ char *value)
++{
++ int32_t ret = -1;
++ gf_boolean_t option = _gf_false;
++
++ GF_ASSERT(dict);
++ GF_ASSERT(op_errstr);
++ GF_ASSERT(key);
++ GF_ASSERT(value);
++
++ if (strcmp(key, "ganesha.enable") == 0) {
++ ret = ganesha_manage_export(dict, value, op_errstr);
++ if (ret < 0)
++ goto out;
++ }
++
++ /* It is possible that the key might not be set */
++ ret = gf_string2boolean(value, &option);
++ if (ret == -1) {
++ gf_asprintf(op_errstr, "Invalid value in key-value pair.");
++ goto out;
++ }
++
++ if (strcmp(key, GLUSTERD_STORE_KEY_GANESHA_GLOBAL) == 0) {
++ /* *
++ * The set up/teardown of pcs cluster should be performed only
++ * once. This will done on the node in which the cli command
++ * 'gluster nfs-ganesha <enable/disable>' got executed. So that
++ * node should part of ganesha HA cluster
++ */
++ if (option) {
++ ret = pre_setup(is_origin_glusterd(dict), op_errstr);
++ if (ret < 0)
++ goto out;
++ } else {
++ ret = teardown(is_origin_glusterd(dict), op_errstr);
++ if (ret < 0)
++ goto out;
++ }
++ }
++
++out:
++ return ret;
++}
+diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
+index de44af7..528993c 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
++++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
+@@ -1911,6 +1911,83 @@ glusterd_op_begin(rpcsvc_request_t *req, glusterd_op_t op, void *ctx,
+ return ret;
+ }
+
++int
++__glusterd_handle_ganesha_cmd(rpcsvc_request_t *req)
++{
++ int32_t ret = -1;
++ gf_cli_req cli_req = {{
++ 0,
++ }};
++ dict_t *dict = NULL;
++ glusterd_op_t cli_op = GD_OP_GANESHA;
++ char *op_errstr = NULL;
++ char err_str[2048] = {
++ 0,
++ };
++ xlator_t *this = NULL;
++
++ this = THIS;
++ GF_ASSERT(this);
++
++ GF_ASSERT(req);
++
++ ret = xdr_to_generic(req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
++ if (ret < 0) {
++ snprintf(err_str, sizeof(err_str),
++ "Failed to decode "
++ "request received from cli");
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_REQ_DECODE_FAIL, "%s",
++ err_str);
++ req->rpc_err = GARBAGE_ARGS;
++ goto out;
++ }
++
++ if (cli_req.dict.dict_len) {
++ /* Unserialize the dictionary */
++ dict = dict_new();
++ if (!dict) {
++ ret = -1;
++ goto out;
++ }
++
++ ret = dict_unserialize(cli_req.dict.dict_val, cli_req.dict.dict_len,
++ &dict);
++ if (ret < 0) {
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_UNSERIALIZE_FAIL,
++ "failed to "
++ "unserialize req-buffer to dictionary");
++ snprintf(err_str, sizeof(err_str),
++ "Unable to decode "
++ "the command");
++ goto out;
++ } else {
++ dict->extra_stdfree = cli_req.dict.dict_val;
++ }
++ }
++
++ gf_msg_trace(this->name, 0, "Received global option request");
++
++ ret = glusterd_op_begin_synctask(req, GD_OP_GANESHA, dict);
++out:
++ if (ret) {
++ if (err_str[0] == '\0')
++ snprintf(err_str, sizeof(err_str), "Operation failed");
++ ret = glusterd_op_send_cli_response(cli_op, ret, 0, req, dict, err_str);
++ }
++ if (op_errstr)
++ GF_FREE(op_errstr);
++ if (dict)
++ dict_unref(dict);
++
++ return ret;
++}
++
++int
++glusterd_handle_ganesha_cmd(rpcsvc_request_t *req)
++{
++ return glusterd_big_locked_handler(req, __glusterd_handle_ganesha_cmd);
++}
++
+ static int
+ __glusterd_handle_reset_volume(rpcsvc_request_t *req)
+ {
+@@ -6644,6 +6721,8 @@ rpcsvc_actor_t gd_svc_cli_actors[GLUSTER_CLI_MAXVALUE] = {
+ [GLUSTER_CLI_BARRIER_VOLUME] = {"BARRIER_VOLUME",
+ GLUSTER_CLI_BARRIER_VOLUME,
+ glusterd_handle_barrier, NULL, 0, DRC_NA},
++ [GLUSTER_CLI_GANESHA] = {"GANESHA", GLUSTER_CLI_GANESHA,
++ glusterd_handle_ganesha_cmd, NULL, 0, DRC_NA},
+ [GLUSTER_CLI_GET_VOL_OPT] = {"GET_VOL_OPT", GLUSTER_CLI_GET_VOL_OPT,
+ glusterd_handle_get_vol_opt, NULL, 0, DRC_NA},
+ [GLUSTER_CLI_BITROT] = {"BITROT", GLUSTER_CLI_BITROT,
+diff --git a/xlators/mgmt/glusterd/src/glusterd-messages.h b/xlators/mgmt/glusterd/src/glusterd-messages.h
+index 1a4bd54..9558480 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-messages.h
++++ b/xlators/mgmt/glusterd/src/glusterd-messages.h
+@@ -297,7 +297,7 @@ GLFS_MSGID(
+ GD_MSG_LOCALTIME_LOGGING_VOL_OPT_VALIDATE_FAIL,
+ GD_MSG_LOCALTIME_LOGGING_ENABLE, GD_MSG_LOCALTIME_LOGGING_DISABLE,
+ GD_MSG_PORTS_EXHAUSTED, GD_MSG_CHANGELOG_GET_FAIL,
+- GD_MSG_MANAGER_FUNCTION_FAILED,
++ GD_MSG_MANAGER_FUNCTION_FAILED, GD_MSG_NFS_GANESHA_DISABLED,
+ GD_MSG_DAEMON_LOG_LEVEL_VOL_OPT_VALIDATE_FAIL);
+
+ #endif /* !_GLUSTERD_MESSAGES_H_ */
+diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+index 12d857a..a630c48 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
++++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+@@ -1176,6 +1176,13 @@ glusterd_op_stage_set_volume(dict_t *dict, char **op_errstr)
+ if (ret)
+ goto out;
+
++ if ((strcmp(key, "ganesha.enable") == 0) &&
++ (strcmp(value, "off") == 0)) {
++ ret = ganesha_manage_export(dict, "off", op_errstr);
++ if (ret)
++ goto out;
++ }
++
+ ret = glusterd_check_quota_cmd(key, value, errstr, sizeof(errstr));
+ if (ret)
+ goto out;
+@@ -1677,6 +1684,20 @@ glusterd_op_stage_reset_volume(dict_t *dict, char **op_errstr)
+ goto out;
+ }
+
++ /* *
++ * If key ganesha.enable is set, then volume should be unexported from
++ * ganesha server. Also it is a volume-level option, perform only when
++ * volume name not equal to "all"(in other words if volinfo != NULL)
++ */
++ if (volinfo && (!strcmp(key, "all") || !strcmp(key, "ganesha.enable"))) {
++ if (glusterd_check_ganesha_export(volinfo)) {
++ ret = ganesha_manage_export(dict, "off", op_errstr);
++ if (ret)
++ gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_NFS_GNS_RESET_FAIL,
++ "Could not reset ganesha.enable key");
++ }
++ }
++
+ if (strcmp(key, "all")) {
+ exists = glusterd_check_option_exists(key, &key_fixed);
+ if (exists == -1) {
+@@ -2393,6 +2414,15 @@ glusterd_op_reset_volume(dict_t *dict, char **op_rspstr)
+ }
+ }
+
++ if (!strcmp(key, "ganesha.enable") || !strcmp(key, "all")) {
++ if (glusterd_check_ganesha_export(volinfo)) {
++ ret = manage_export_config(volname, "off", op_rspstr);
++ if (ret)
++ gf_msg(this->name, GF_LOG_WARNING, 0, GD_MSG_NFS_GNS_RESET_FAIL,
++ "Could not reset ganesha.enable key");
++ }
++ }
++
+ out:
+ GF_FREE(key_fixed);
+ if (quorum_action)
+@@ -2964,6 +2994,10 @@ glusterd_op_set_volume(dict_t *dict, char **errstr)
+ }
+ }
+
++ ret = glusterd_check_ganesha_cmd(key, value, errstr, dict);
++ if (ret == -1)
++ goto out;
++
+ if (!is_key_glusterd_hooks_friendly(key)) {
+ ret = glusterd_check_option_exists(key, &key_fixed);
+ GF_ASSERT(ret);
+@@ -4494,7 +4528,8 @@ glusterd_op_build_payload(dict_t **req, char **op_errstr, dict_t *op_ctx)
+
+ case GD_OP_SYNC_VOLUME:
+ case GD_OP_COPY_FILE:
+- case GD_OP_SYS_EXEC: {
++ case GD_OP_SYS_EXEC:
++ case GD_OP_GANESHA: {
+ dict_copy(dict, req_dict);
+ } break;
+
+@@ -5944,6 +5979,10 @@ glusterd_op_stage_validate(glusterd_op_t op, dict_t *dict, char **op_errstr,
+ ret = glusterd_op_stage_set_volume(dict, op_errstr);
+ break;
+
++ case GD_OP_GANESHA:
++ ret = glusterd_op_stage_set_ganesha(dict, op_errstr);
++ break;
++
+ case GD_OP_RESET_VOLUME:
+ ret = glusterd_op_stage_reset_volume(dict, op_errstr);
+ break;
+@@ -6074,7 +6113,9 @@ glusterd_op_commit_perform(glusterd_op_t op, dict_t *dict, char **op_errstr,
+ case GD_OP_SET_VOLUME:
+ ret = glusterd_op_set_volume(dict, op_errstr);
+ break;
+-
++ case GD_OP_GANESHA:
++ ret = glusterd_op_set_ganesha(dict, op_errstr);
++ break;
+ case GD_OP_RESET_VOLUME:
+ ret = glusterd_op_reset_volume(dict, op_errstr);
+ break;
+diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c b/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
+index 2958443..041946d 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
++++ b/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
+@@ -3788,6 +3788,148 @@ out:
+ return ret;
+ }
+
++/* *
++ * Here there are two possibilities, either destination is snaphot or
++ * clone. In the case of snapshot nfs_ganesha export file will be copied
++ * to snapdir. If it is clone , then new export file will be created for
++ * the clone in the GANESHA_EXPORT_DIRECTORY, replacing occurences of
++ * volname with clonename
++ */
++int
++glusterd_copy_nfs_ganesha_file(glusterd_volinfo_t *src_vol,
++ glusterd_volinfo_t *dest_vol)
++{
++ int32_t ret = -1;
++ char snap_dir[PATH_MAX] = {
++ 0,
++ };
++ char src_path[PATH_MAX] = {
++ 0,
++ };
++ char dest_path[PATH_MAX] = {
++ 0,
++ };
++ char buffer[BUFSIZ] = {
++ 0,
++ };
++ char *find_ptr = NULL;
++ char *buff_ptr = NULL;
++ char *tmp_ptr = NULL;
++ xlator_t *this = NULL;
++ glusterd_conf_t *priv = NULL;
++ struct stat stbuf = {
++ 0,
++ };
++ FILE *src = NULL;
++ FILE *dest = NULL;
++
++ this = THIS;
++ GF_VALIDATE_OR_GOTO("snapshot", this, out);
++ priv = this->private;
++ GF_VALIDATE_OR_GOTO(this->name, priv, out);
++
++ GF_VALIDATE_OR_GOTO(this->name, src_vol, out);
++ GF_VALIDATE_OR_GOTO(this->name, dest_vol, out);
++
++ if (glusterd_check_ganesha_export(src_vol) == _gf_false) {
++ gf_msg_debug(this->name, 0,
++ "%s is not exported via "
++ "NFS-Ganesha. Skipping copy of export conf.",
++ src_vol->volname);
++ ret = 0;
++ goto out;
++ }
++
++ if (src_vol->is_snap_volume) {
++ GLUSTERD_GET_SNAP_DIR(snap_dir, src_vol->snapshot, priv);
++ ret = snprintf(src_path, PATH_MAX, "%s/export.%s.conf", snap_dir,
++ src_vol->snapshot->snapname);
++ } else {
++ ret = snprintf(src_path, PATH_MAX, "%s/export.%s.conf",
++ GANESHA_EXPORT_DIRECTORY, src_vol->volname);
++ }
++ if (ret < 0 || ret >= PATH_MAX)
++ goto out;
++
++ ret = sys_lstat(src_path, &stbuf);
++ if (ret) {
++ /*
++ * This code path is hit, only when the src_vol is being *
++ * exported via NFS-Ganesha. So if the conf file is not *
++ * available, we fail the snapshot operation. *
++ */
++ gf_msg(this->name, GF_LOG_ERROR, errno, GD_MSG_FILE_OP_FAILED,
++ "Stat on %s failed with %s", src_path, strerror(errno));
++ goto out;
++ }
++
++ if (dest_vol->is_snap_volume) {
++ memset(snap_dir, 0, PATH_MAX);
++ GLUSTERD_GET_SNAP_DIR(snap_dir, dest_vol->snapshot, priv);
++ ret = snprintf(dest_path, sizeof(dest_path), "%s/export.%s.conf",
++ snap_dir, dest_vol->snapshot->snapname);
++ if (ret < 0)
++ goto out;
++
++ ret = glusterd_copy_file(src_path, dest_path);
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY,
++ "Failed to copy %s in %s", src_path, dest_path);
++ goto out;
++ }
++
++ } else {
++ ret = snprintf(dest_path, sizeof(dest_path), "%s/export.%s.conf",
++ GANESHA_EXPORT_DIRECTORY, dest_vol->volname);
++ if (ret < 0)
++ goto out;
++
++ src = fopen(src_path, "r");
++ dest = fopen(dest_path, "w");
++
++ if (!src || !dest) {
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_FILE_OP_FAILED,
++ "Failed to open %s", dest ? src_path : dest_path);
++ ret = -1;
++ goto out;
++ }
++
++ /* *
++ * if the source volume is snapshot, the export conf file
++ * consists of orginal volname
++ */
++ if (src_vol->is_snap_volume)
++ find_ptr = gf_strdup(src_vol->parent_volname);
++ else
++ find_ptr = gf_strdup(src_vol->volname);
++
++ if (!find_ptr)
++ goto out;
++
++ /* Replacing volname with clonename */
++ while (fgets(buffer, BUFSIZ, src)) {
++ buff_ptr = buffer;
++ while ((tmp_ptr = strstr(buff_ptr, find_ptr))) {
++ while (buff_ptr < tmp_ptr)
++ fputc((int)*buff_ptr++, dest);
++ fputs(dest_vol->volname, dest);
++ buff_ptr += strlen(find_ptr);
++ }
++ fputs(buff_ptr, dest);
++ memset(buffer, 0, BUFSIZ);
++ }
++ }
++out:
++ if (src)
++ fclose(src);
++ if (dest)
++ fclose(dest);
++ if (find_ptr)
++ GF_FREE(find_ptr);
++
++ return ret;
++}
++
+ int32_t
+ glusterd_restore_geo_rep_files(glusterd_volinfo_t *snap_vol)
+ {
+@@ -3876,6 +4018,60 @@ out:
+ return ret;
+ }
+
++int
++glusterd_restore_nfs_ganesha_file(glusterd_volinfo_t *src_vol,
++ glusterd_snap_t *snap)
++{
++ int32_t ret = -1;
++ char snap_dir[PATH_MAX] = "";
++ char src_path[PATH_MAX] = "";
++ char dest_path[PATH_MAX] = "";
++ xlator_t *this = NULL;
++ glusterd_conf_t *priv = NULL;
++ struct stat stbuf = {
++ 0,
++ };
++
++ this = THIS;
++ GF_VALIDATE_OR_GOTO("snapshot", this, out);
++ priv = this->private;
++ GF_VALIDATE_OR_GOTO(this->name, priv, out);
++
++ GF_VALIDATE_OR_GOTO(this->name, src_vol, out);
++ GF_VALIDATE_OR_GOTO(this->name, snap, out);
++
++ GLUSTERD_GET_SNAP_DIR(snap_dir, snap, priv);
++
++ ret = snprintf(src_path, sizeof(src_path), "%s/export.%s.conf", snap_dir,
++ snap->snapname);
++ if (ret < 0)
++ goto out;
++
++ ret = sys_lstat(src_path, &stbuf);
++ if (ret) {
++ if (errno == ENOENT) {
++ ret = 0;
++ gf_msg_debug(this->name, 0, "%s not found", src_path);
++ } else
++ gf_msg(this->name, GF_LOG_WARNING, errno, GD_MSG_FILE_OP_FAILED,
++ "Stat on %s failed with %s", src_path, strerror(errno));
++ goto out;
++ }
++
++ ret = snprintf(dest_path, sizeof(dest_path), "%s/export.%s.conf",
++ GANESHA_EXPORT_DIRECTORY, src_vol->volname);
++ if (ret < 0)
++ goto out;
++
++ ret = glusterd_copy_file(src_path, dest_path);
++ if (ret)
++ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, GD_MSG_NO_MEMORY,
++ "Failed to copy %s in %s", src_path, dest_path);
++
++out:
++ return ret;
++}
++
+ /* Snapd functions */
+ int
+ glusterd_is_snapd_enabled(glusterd_volinfo_t *volinfo)
+diff --git a/xlators/mgmt/glusterd/src/glusterd-store.h b/xlators/mgmt/glusterd/src/glusterd-store.h
+index e60be6e..41d0001 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-store.h
++++ b/xlators/mgmt/glusterd/src/glusterd-store.h
+@@ -118,6 +118,8 @@ typedef enum glusterd_store_ver_ac_ {
+ #define GLUSTERD_STORE_KEY_VOL_MIGRATIONS_SKIPPED "migration-skipped"
+ #define GLUSTERD_STORE_KEY_VOL_MIGRATION_RUN_TIME "migration-run-time"
+
++#define GLUSTERD_STORE_KEY_GANESHA_GLOBAL "nfs-ganesha"
++
+ int32_t
+ glusterd_store_volinfo(glusterd_volinfo_t *volinfo,
+ glusterd_volinfo_ver_ac_t ac);
+diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
+index 86ef470..a0417ca 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
++++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
+@@ -1823,6 +1823,18 @@ glusterd_op_stage_stop_volume(dict_t *dict, char **op_errstr)
+ goto out;
+ }
+
++ ret = glusterd_check_ganesha_export(volinfo);
++ if (ret) {
++ ret = ganesha_manage_export(dict, "off", op_errstr);
++ if (ret) {
++ gf_msg(THIS->name, GF_LOG_WARNING, 0,
++ GD_MSG_NFS_GNS_UNEXPRT_VOL_FAIL,
++ "Could not "
++ "unexport volume via NFS-Ganesha");
++ ret = 0;
++ }
++ }
++
+ if (glusterd_is_defrag_on(volinfo)) {
+ snprintf(msg, sizeof(msg),
+ "rebalance session is "
+@@ -2674,6 +2686,8 @@ glusterd_op_start_volume(dict_t *dict, char **op_errstr)
+ xlator_t *this = NULL;
+ glusterd_conf_t *conf = NULL;
+ glusterd_svc_t *svc = NULL;
++ char *str = NULL;
++ gf_boolean_t option = _gf_false;
+
+ this = THIS;
+ GF_ASSERT(this);
+@@ -2731,6 +2745,29 @@ glusterd_op_start_volume(dict_t *dict, char **op_errstr)
+ }
+ }
+
++ ret = dict_get_str(conf->opts, GLUSTERD_STORE_KEY_GANESHA_GLOBAL, &str);
++ if (ret != 0) {
++ gf_msg(this->name, GF_LOG_INFO, 0, GD_MSG_DICT_GET_FAILED,
++ "Global dict not present.");
++ ret = 0;
++
++ } else {
++ ret = gf_string2boolean(str, &option);
++ /* Check if the feature is enabled and set nfs-disable to true */
++ if (option) {
++ gf_msg_debug(this->name, 0, "NFS-Ganesha is enabled");
++ /* Gluster-nfs should not start when NFS-Ganesha is enabled*/
++ ret = dict_set_str(volinfo->dict, NFS_DISABLE_MAP_KEY, "on");
++ if (ret) {
++ gf_msg(this->name, GF_LOG_ERROR, 0, GD_MSG_DICT_SET_FAILED,
++ "Failed to set nfs.disable for"
++ "volume %s",
++ volname);
++ goto out;
++ }
++ }
++ }
++
+ ret = glusterd_start_volume(volinfo, flags, _gf_true);
+ 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 d1244e4..13f423a 100644
+--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
++++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+@@ -2597,6 +2597,13 @@ struct volopt_map_entry glusterd_volopt_map[] = {
+ .voltype = "features/upcall",
+ .op_version = GD_OP_VERSION_3_7_0,
+ },
++ {
++ .key = "ganesha.enable",
++ .voltype = "features/ganesha",
++ .value = "off",
++ .option = "ganesha.enable",
++ .op_version = GD_OP_VERSION_3_7_0,
++ },
+ /* Lease translator options */
+ {
+ .key = "features.leases",
+diff --git a/xlators/mgmt/glusterd/src/glusterd.h b/xlators/mgmt/glusterd/src/glusterd.h
+index 67867f8..5135181 100644
+--- a/xlators/mgmt/glusterd/src/glusterd.h
++++ b/xlators/mgmt/glusterd/src/glusterd.h
+@@ -61,6 +61,9 @@
+ #define GLUSTERD_LOCALTIME_LOGGING_KEY "cluster.localtime-logging"
+ #define GLUSTERD_DAEMON_LOG_LEVEL_KEY "cluster.daemon-log-level"
+
++#define GANESHA_HA_CONF CONFDIR "/ganesha-ha.conf"
++#define GANESHA_EXPORT_DIRECTORY CONFDIR "/exports"
++
+ #define GLUSTERD_SNAPS_MAX_HARD_LIMIT 256
+ #define GLUSTERD_SNAPS_DEF_SOFT_LIMIT_PERCENT 90
+ #define GLUSTERD_SNAPS_MAX_SOFT_LIMIT_PERCENT 100
+@@ -1356,6 +1359,25 @@ glusterd_op_stop_volume(dict_t *dict);
+ int
+ glusterd_op_delete_volume(dict_t *dict);
+ int
++glusterd_handle_ganesha_op(dict_t *dict, char **op_errstr, char *key,
++ char *value);
++int
++glusterd_check_ganesha_cmd(char *key, char *value, char **errstr, dict_t *dict);
++int
++glusterd_op_stage_set_ganesha(dict_t *dict, char **op_errstr);
++int
++glusterd_op_set_ganesha(dict_t *dict, char **errstr);
++int
++ganesha_manage_export(dict_t *dict, char *value, char **op_errstr);
++gf_boolean_t
++glusterd_is_ganesha_cluster();
++gf_boolean_t
++glusterd_check_ganesha_export(glusterd_volinfo_t *volinfo);
++int
++stop_ganesha(char **op_errstr);
++int
++tear_down_cluster(gf_boolean_t run_teardown);
++int
+ manage_export_config(char *volname, char *value, char **op_errstr);
+
+ int
+--
+1.8.3.1
+