blob: cad4fc786d65b7afb36f3f1bfc5a992c702c0408 (
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
|
#!/bin/sh
#
# Copyright (c) 2014 Eric Radman <ericshane@eradman.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
usage() {
>&2 echo "release: ${release}"
>&2 echo "usage: pg_tmp [-t [-p port]] [-w timeout] [-o extra-options] [-d datadir]"
exit 1
}
trap 'printf "$0: exit code $? on line $LINENO\n" >&2; exit 1' ERR \
2> /dev/null || exec bash $0 "$@"
trap '' HUP
set +o posix
USER_OPTS=""
>/dev/null getopt tp:w:o:d: "$@" || usage
while [ $# -gt 0 ]; do
case "$1" in
-t) LISTENTO="127.0.0.1" ;;
-p) PGPORT="$2"; shift ;;
-w) TIMEOUT="$2"; shift ;;
-o) USER_OPTS="$2"; shift ;;
-d) TD="$2"; shift ;;
*) CMD=$1 ;;
esac
shift
done
initdb -V > /dev/null || exit 1
PGVER=$(psql -V | awk '{print $NF}')
[ -n "$LISTENTO" ] && [ -z "$PGPORT" ] && {
PGPORT="$(getsocket)"
}
case ${CMD:-start} in
initdb)
[ -z $TD ] || mkdir -p $TD
[ -z $TD ] && TD="$(mktemp -d ${SYSTMP:-/tmp}/ephemeralpg.XXXXXX)"
initdb --nosync -D $TD/$PGVER -E UNICODE -A trust > $TD/initdb.out
cat <<-EOF >> $TD/$PGVER/postgresql.conf
unix_socket_directories = '$TD'
listen_addresses = ''
shared_buffers = 12MB
fsync = off
synchronous_commit = off
full_page_writes = off
log_min_duration_statement = 0
log_connections = on
log_disconnections = on
EOF
touch $TD/NEW
echo $TD
;;
start)
# 1. Find a temporary database directory owned by the current user
# 2. Create a new datadir if nothing was found
# 3. Launch a background task to create a datadir for future invocations
if [ -z $TD ]; then
for d in $(ls -d ${SYSTMP:-/tmp}/ephemeralpg.*/$PGVER 2> /dev/null); do
td=$(dirname "$d")
test -O $td/NEW && rm $td/NEW 2> /dev/null && { TD=$td; break; }
done
[ -z $TD ] && { TD=$($0 initdb); rm $TD/NEW; }
nice -n 19 $0 initdb > /dev/null &
else
[ -O $TD/$PGVER ] || TD=$($0 initdb -d $TD)
fi
nice -n 19 $0 -w ${TIMEOUT:-60} -d $TD -p ${PGPORT:-5432} stop > $TD/stop.log 2>&1 &
[ -n "$PGPORT" ] && OPTS="-c listen_addresses='$LISTENTO' -c port=$PGPORT"
LOGFILE="$TD/$PGVER/postgres.log"
pg_ctl -W -o "$OPTS $USER_OPTS" -s -D $TD/$PGVER -l $LOGFILE start
PGHOST=$TD
export PGPORT PGHOST
if [ -n "$PGPORT" ]; then
url="postgresql://$(whoami)@$LISTENTO:$PGPORT/test"
else
url="postgresql:///test?host=$(echo $PGHOST | sed 's:/:%2F:g')"
fi
for n in 1 2 3 4 5; do
sleep 0.1
createdb -E UNICODE test > /dev/null 2>&1 && break
done
[ $? != 0 ] && { >&2 cat $LOGFILE; exit 1; }
[ -t 1 ] && echo "$url" || echo -n "$url"
;;
stop)
[ -O $TD/$PGVER/postgresql.conf ] || {
>&2 echo "Please specify a PostgreSQL data directory using -d"
exit 1
}
trap "rm -r $TD" EXIT
PGHOST=$TD
export PGHOST PGPORT
q="SELECT count(*) FROM pg_stat_activity WHERE datname='test';"
until [ "${count:-2}" -lt "2" ]; do
sleep ${TIMEOUT:-0}
count=$(psql test --no-psqlrc -At -c "$q" || echo 0)
done
pg_ctl -W -D $TD/$PGVER stop
sleep 1
;;
selftest)
export SYSTMP=$(mktemp -d /tmp/ephemeralpg-selftest.XXXXXX)
trap "rm -r $SYSTMP" EXIT
printf "Running: "
printf "initdb "; dir=$($0 initdb)
printf "start " ; url=$($0 -w 3 -o '-c log_temp_files=100' start)
printf "psql " ; [ "$(psql --no-psqlrc -At -c 'select 5' $url)" == "5" ]
printf "stop " ; sleep 10
printf "verify "; ! [ -d dir ]
echo; echo "OK"
;;
*)
usage
;;
esac
|
