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Commit | Line | Data |
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c35cc882 | 1 | #!/bin/sh |
2 | # | |
d29ea5e3 | 3 | # postgresql This is the init script for starting up the PostgreSQL |
4 | # server | |
5 | # | |
4f7ddd24 | 6 | # chkconfig: 345 84 25 |
c35cc882 | 7 | # |
8 | # description: Starts and stops the PostgreSQL backend daemon that handles \ | |
24852107 | 9 | # all database requests. |
c35cc882 | 10 | # |
11 | # processname: postmaster | |
c35cc882 | 12 | |
c35cc882 | 13 | # Source function library |
d29ea5e3 | 14 | . /etc/rc.d/init.d/functions |
15 | ||
c35cc882 | 16 | # Get network config |
d29ea5e3 | 17 | . /etc/sysconfig/network |
18 | ||
c35cc882 | 19 | # Get service config |
dafcea45 | 20 | if [ -f /etc/sysconfig/postgresql ]; then |
24852107 | 21 | . /etc/sysconfig/postgresql |
22 | else | |
23 | echo "Error: /etc/sysconfig/postgresql not found" | |
24 | echo " PostgreSQL can't be run." | |
25 | exit 1 | |
03af0381 | 26 | fi |
27 | ||
dafcea45 | 28 | if [ ! "$PG_DB_CLUSTERS" ]; then |
29 | echo "Error: PG_DB_CLUSTERS not found or is empty" | |
30 | echo " PostgreSQL can't be run." | |
31 | exit 1 | |
32 | fi | |
33 | ||
c35cc882 | 34 | # Check that networking is up. |
95633833 | 35 | if is_no "${NETWORKING}"; then |
11f320d0 | 36 | msg_network_down PostgreSQL |
d584f4fd | 37 | exit 1 |
38 | fi | |
d29ea5e3 | 39 | |
ee1e3deb | 40 | # |
41 | # check for postgresql status | |
42 | # | |
43 | # arguments: | |
44 | # $1 - db cluster | |
45 | # | |
46 | # sets variables: | |
47 | # PG_STATUS = running | not running | |
48 | # PG_PID = pid of postmaster process | |
49 | # | |
293d606e | 50 | pgstatus() { |
24852107 | 51 | PG_STATUS="unknown" |
52 | PG_PID="unknown" | |
53 | status=`/usr/bin/pg_ctl -D $1 status` | |
15e46b8a | 54 | |
24852107 | 55 | if echo "$status" | grep -q 'pg_ctl: postmaster or postgres is not running'; then |
56 | PG_STATUS="not running" | |
57 | elif echo "$status" | grep -q 'pg_ctl: postmaster is running'; then | |
58 | PG_STATUS="running" | |
59 | PG_PID=`echo "$status" | sed 's/^pg_ctl:.*pid: \([0-9]\+\).*/\1/' | head -1` | |
60 | fi | |
61 | } | |
62 | ||
ee1e3deb | 63 | # |
64 | # start postgresql and display appropriate messages | |
293d606e | 65 | # |
ee1e3deb | 66 | # arguments: |
67 | # $1 - db cluster | |
68 | # | |
293d606e | 69 | # sets variables: |
70 | # PG_STARTED = 1 if instance has started up; please note, that function | |
71 | # will not set to other value | |
72 | # | |
ee1e3deb | 73 | pgstart() { |
74 | msg_starting "PostgreSQL $1" | |
75 | busy | |
76 | TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -w -D $1 start 2>&1 >/dev/null" | |
77 | ||
78 | pgstatus "$1" | |
79 | if [ "$PG_STATUS" != "unknown" -a "$PG_PID" != "unknown" ]; then | |
293d606e | 80 | PG_STARTED=1 |
ee1e3deb | 81 | deltext; ok |
82 | else | |
83 | deltext; fail | |
84 | fi | |
85 | } | |
86 | ||
24852107 | 87 | action="$1" |
88 | ||
89 | # any db cluster as command line argument? | |
90 | if [ $# -gt 1 ]; then | |
91 | shift | |
293d606e | 92 | DB_CLUSTERS="$@" |
93 | else | |
94 | DB_CLUSTERS="$PG_DB_CLUSTERS" | |
24852107 | 95 | fi |
15e46b8a | 96 | |
d29ea5e3 | 97 | # See how we were called. |
293d606e | 98 | # Every action is performed for all given (all configured by default) |
99 | # db clusters. | |
24852107 | 100 | case "$action" in |
101 | start) | |
293d606e | 102 | PG_STARTED=0 |
103 | for pgdir in $DB_CLUSTERS; do | |
24852107 | 104 | pgstatus "$pgdir" |
105 | if [ "$PG_STATUS" = "running" ]; then | |
ee1e3deb | 106 | # pg_ctl status can misinform us about postgresql status |
107 | # so let's check if postmaster is really alive | |
24852107 | 108 | if ps ax | grep -v grep | grep -q "$PG_PID"; then |
109 | msg_already_running "PostgreSQL $pgdir" | |
110 | else | |
ee1e3deb | 111 | # pg_ctl has misinformed us about postgresql status; |
112 | # remove pid file and run postgresql | |
24852107 | 113 | msg_not_running "PostgreSQL $pgdir" |
114 | rm -f $pgdir/postmaster.pid | |
ee1e3deb | 115 | pgstart "$pgdir" |
24852107 | 116 | fi |
117 | else | |
ee1e3deb | 118 | pgstart "$pgdir" |
2a514bb5 | 119 | fi |
24852107 | 120 | done |
293d606e | 121 | # one of instances has started, so create the lock |
122 | [ $PG_STARTED -eq 1 ] && touch /var/lock/subsys/postgresql | |
d29ea5e3 | 123 | ;; |
24852107 | 124 | stop) |
293d606e | 125 | for pgdir in $DB_CLUSTERS; do |
24852107 | 126 | pgstatus "$pgdir" |
127 | if [ "$PG_STATUS" = "not running" ]; then | |
128 | msg_not_running "PostgreSQL $pgdir" | |
129 | else | |
130 | msg_stopping "PostgreSQL $pgdir" | |
131 | busy | |
132 | ||
ee1e3deb | 133 | # is postgresql really alive? |
24852107 | 134 | if ps ax | grep -v grep | grep -q "$PG_PID"; then |
135 | TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -w -D $pgdir stop -m fast 2>&1 >/dev/null" | |
136 | pgstatus "$pgdir" | |
137 | if [ "$PG_STATUS" != "not running" ]; then | |
138 | deltext; fail | |
139 | else | |
140 | deltext; ok | |
141 | fi | |
142 | else | |
ee1e3deb | 143 | # postgresql is not really alive; pg_ctl misinformed us |
144 | # about the status | |
24852107 | 145 | deltext; died |
146 | fi | |
147 | ||
148 | rm -f $pgdir/postmaster.pid | |
149 | fi | |
150 | done | |
d29ea5e3 | 151 | ;; |
24852107 | 152 | status) |
293d606e | 153 | for pgdir in $DB_CLUSTERS; do |
24852107 | 154 | TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -D $pgdir status" |
155 | done | |
d29ea5e3 | 156 | ;; |
24852107 | 157 | restart) |
293d606e | 158 | $0 stop "$DB_CLUSTERS" |
159 | $0 start "$DB_CLUSTERS" | |
962e37bd | 160 | ;; |
24852107 | 161 | reload) |
293d606e | 162 | for pgdir in $DB_CLUSTERS; do |
24852107 | 163 | pgstatus "$pgdir" |
164 | if [ "$PG_STATUS" = "not running" ]; then | |
165 | msg_not_running "PostgreSQL $pgdir" | |
166 | else | |
167 | msg_reloading "PostgreSQL $pgdir" | |
168 | busy | |
169 | ||
ee1e3deb | 170 | # is postgresql really alive? |
24852107 | 171 | if ps ax | grep -v grep | grep -q "$PG_PID"; then |
172 | TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -D $pgdir restart 2>&1 >/dev/null" | |
173 | ||
174 | pgstatus "$pgdir" | |
175 | if [ "$PG_STATUS" = "running" ]; then | |
176 | deltext; ok | |
177 | else | |
178 | deltext; fail | |
179 | fi | |
180 | else | |
ee1e3deb | 181 | # postgresql died and pg_ctl has misinformed us about |
182 | # the status; remove pid file and start it again | |
24852107 | 183 | deltext; died |
184 | rm -f $pgdir/postmaster.pid | |
ee1e3deb | 185 | pgstart "$pgdir" |
24852107 | 186 | fi |
187 | fi | |
188 | done | |
8d5c7b0d | 189 | ;; |
24852107 | 190 | *) |
191 | msg_usage "$0 {start|stop|status|restart|reload}" | |
192 | exit 1 | |
d29ea5e3 | 193 | esac |
194 | ||
195 | exit 0 |