summaryrefslogtreecommitdiffstats
path: root/extras/hook-scripts/set/post/S31ganesha-set.sh
blob: 3b74c766b7d61e7582ce2d4f872166200fdecc63 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
#!/bin/bash
PROGNAME="Sganesha-set"
OPTSPEC="volname:"
VOL=
declare -i EXPORT_ID
CONF1="/var/lib/ganesha/nfs-ganesha.conf"
LOG="/tmp/ganesha.log"
gnfs="enabled"
enable_ganesha=""
host_name="none"
IS_HOST_SET="NO"
LOC=""



function parse_args ()
{
        ARGS=$(getopt -l $OPTSPEC  -o "o" -name $PROGNAME $@)
        eval set -- "$ARGS"

        while true; do
            case $1 in
            --volname)
                shift
                VOL=$1
                ;;
            *)
                shift
                for pair in $@; do
                        read key value < <(echo "$pair" | tr "=" " ")
                        case "$key" in
                          "nfs-ganesha.enable")
                                    enable_ganesha=$value
                                    ;;
                          "nfs-ganesha.host")
                                    host_name=$value
                                    ;;
                            *)
                                    ;;
                        esac
                done

                shift
                break
                ;;
            esac
            shift
        done
}


function check_if_host_set()
{
        if cat /var/lib/glusterd/vols/$VOL/info | grep -q "nfs-ganesha.host"
                then
                IS_HOST_SET="YES"
        fi
}

function check_nfsd_loc()
{
        if ls /usr/bin | grep "[g]anesha.nfsd"
                then
                LOC="/usr"
        else
                LOC="/usr/local"
        fi
}


function check_gluster_nfs()
{
        if cat /var/lib/glusterd/vols/$VOL/info | grep -q "nfs.disable=ON"
                 then
                 gnfs="disabled"
        fi
}

#This function generates a new export entry as export.volume_name.conf
function write_conf()
{
        echo "EXPORT{
        "
        echo "Export_Id = ;"
        echo "Path=\"/$1\";"
        echo "FSAL {
        "
        echo "name = "GLUSTER";"
        echo "hostname=\"$2\";"
        echo  "volume=\"$1\";"
        echo "}"
        echo "Access_type = RW;"
        echo "Squash = No_root_squash;"
        echo "Pseudo=\"/$1\";"
        echo "NFS_Protocols = \"3,4\" ;"
        echo "Transport_Protocols = \"UDP,TCP\" ;"
        echo "SecType = \"sys\";"
        echo "Tag = \"$1\";"
        echo "}"
}

#This function keeps track of export IDs and increments it with every new entry
function export_add()
{
        count=`ls -l /var/lib/ganesha/exports/*.conf | wc -l`
        if [ "$count" = "1" ] ;
                then
                EXPORT_ID=1
        else
        #if [ -s /var/lib/ganesha/export_removed ];
        #               then
        #               EXPORT_ID=`head -1 /var/lib/ganesha/export_removed`
        #               sed -i -e "1d" /var/lib/ganesha/export_removed
        #               else

                 EXPORT_ID=`cat /var/lib/ganesha/export_added`
                 EXPORT_ID=EXPORT_ID+1
        #fi
        fi
        echo $EXPORT_ID > /var/lib/ganesha/export_added
        sed -i s/Export_Id.*/"Export_Id = $EXPORT_ID;"/ \
/var/lib/ganesha/exports/export.$VOL.conf
        echo "%include \"/var/lib/ganesha/exports/export.$VOL.conf\"" >> $CONF1


}

function export_remove()
{
        $removed_id=`cat /var/lib/ganesha/exports/export.$VOL.conf | grep Export_Id | cut -d " " -f3`
        echo $removed_id >> /var/lib/ganesha/export_removed
}

function start_ganesha()
{
        if [ "$IS_HOST_SET" = "NO" ]
                then
                gluster volume set $VOL nfs-ganesha.enable OFF
        else
                check_gluster_nfs

                #Remove export entry from nfs-ganesha.conf
                sed -i /$VOL.conf/d  $CONF1
                pkill ganesha.nfsd
                sleep 10
                gluster volume set $VOL  nfs.disable ON
                sleep 4

                #Create a new export entry
                export_add
                if ls /usr/bin/ | grep -q "ganesha.nfsd"
                        then
                        sed -i s/FSAL_Shared.*/FSAL_Shared_Library=\
"\"\/usr\/lib64\/ganesha\/libfsalgluster.so\";"/ $CONF1
                        /usr/bin/ganesha.nfsd -f $CONF1 -L $LOG -N NIV_FULL_DEBUG -d
                        sleep 2
                else
                        sed -i s/FSAL_Shared.*/FSAL_Shared_Library=\
"\"\/usr\/local\/lib64\/ganesha\/libfsalgluster.so\";"/ $CONF1
                       /usr/local/bin/ganesha.nfsd -f $CONF1 -L $LOG -N NIV_FULL_DEBUG -d
                       sleep 2
                fi

                if ! ps aux | grep -q "[g]anesha.nfsd"
                        then
                                if [ "$gnfs" = "enabled" ]
                                        then
                                        gluster volume set $VOL nfs.disable OFF
                                fi
                         rm -rf /var/lib/ganesha/exports/*
                         rm -rf /var/lib/ganesha/export_added
                         gluster volume set $VOL nfs-ganesha.enable OFF
                         gluster volume set $VOL nfs-ganesha.host none
                         exit 1
                fi
         fi

}

#This function generates a new config file when ganesha.host is set
#If the volume is already exported, only hostname is changed
function set_hostname()
{
        if  ! ls /var/lib/ganesha/exports/  | grep -q $VOL.conf
                then
                write_conf $VOL $host_name >\
/var/lib/ganesha/exports/export.$VOL.conf
        else
                sed -i  s/hostname.*/"hostname=\
\"$host_name\";"/ /var/lib/ganesha/exports/export.$VOL.conf
        fi

}


function stop_ganesha()
{
        if  ps aux | grep -q  "[g]anesha.nfsd"
                then
                pkill ganesha.nfsd
                sleep 10
        fi
        gluster vol set $VOL nfs-ganesha.host none
        #Remove the specfic export configuration file
        rm -rf /var/lib/ganesha/exports/export.$VOL.conf
        #Remove that entry from nfs-ganesha.conf
        sed -i /$VOL.conf/d  $CONF1
        #If there are any other volumes exported, restart nfs-ganesha
        if [ "$(ls -A /var/lib/ganesha/exports)" ];
                then
                check_nfsd_loc
                $LOC/bin/ganesha.nfsd -f $CONF1 -L $LOG -N NIV_FULL_DEBUG -d
        else
                rm -rf /var/lib/ganesha/export_added
        fi

}

        parse_args $@
        if [ ! -d "/var/lib/ganesha/exports" ];
                then
                mkdir /var/lib/ganesha/exports
        fi
        if echo $enable_ganesha | grep -q -i "ON"
                then
                check_if_host_set $VOL
                start_ganesha
        elif echo $enable_ganesha | grep -q -i "OFF"
                then
                check_if_host_set
                if [ "$IS_HOST_SET" = "YES" ]
                        then
                        stop_ganesha
                fi
        fi
        if [ "$host_name" != "none" ];
                then
                check_if_host_set
                set_hostname
                         if  cat /var/lib/glusterd/vols/$VOL/info\
| grep -i -q  "nfs-ganesha.enable=on"
                                  then
                                  start_ganesha
                         fi
        fi