2 db_synchronous_commit: "off"
3 db_shared_buffers: "256MB"
5 db_default_text_search_config: "pg_catalog.english"
10 db_checkpoint_segments: 6
11 db_logging_collector: off
12 db_log_min_duration_statement: 100
18 filename: /etc/service/unicorn/run
20 to: sv start postgres || exit 1
23 - exec: mkdir -p /shared/postgres_run
24 - exec: chown postgres:postgres /shared/postgres_run
25 - exec: chmod 775 /shared/postgres_run
26 - exec: rm -fr /var/run/postgresql
27 - exec: ln -s /shared/postgres_run /var/run/postgresql
28 - exec: socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1
29 - exec: rm -fr /shared/postgres_run/.s*
30 - exec: rm -fr /shared/postgres_run/*.pid
31 - exec: mkdir -p /shared/postgres_run/9.3-main.pg_stat_tmp
32 - exec: chown postgres:postgres /shared/postgres_run/9.3-main.pg_stat_tmp
34 path: /etc/service/postgres/run
39 echo -1000 >/proc/self/oom_score_adj
40 HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main
43 path: /etc/runit/3.d/99-postgres
50 path: /root/upgrade_postgres
54 if [ "9.2" = `cat /shared/postgres_data/PG_VERSION` ]; then
55 echo Upgrading PostgreSQL to from version 9.2 to 9.3
56 rm -fr /shared/postgres_data_new
57 install -d -m 0755 -o postgres -g postgres /shared/postgres_data_new && sudo -u postgres /usr/lib/postgresql/9.3/bin/initdb -D /shared/postgres_data_new || exit 0
59 apt-get install -y postgresql-9.2
60 /etc/init.d/postgresql stop
61 rm -fr /shared/postgres_data/postmaster.pid
63 cp /etc/postgresql/9.2/main/*.conf /shared/postgres_data
64 echo >> /shared/postgres_data/postgresql.conf
65 echo "data_directory = '/shared/postgres_data'" >> /shared/postgres_data/postgresql.conf
67 sudo -u postgres /usr/lib/postgresql/9.3/bin/pg_upgrade -d /shared/postgres_data -D /shared/postgres_data_new -b /usr/lib/postgresql/9.2/bin -B /usr/lib/postgresql/9.3/bin || SUCCESS=false
69 if [[ "$SUCCESS" == 'false' ]]; then
70 echo -------------------------------------------------------------------------------------
71 echo UPGRADE OF POSTGRES FAILED
73 echo You are going to need to export your data and import into a clean instance:
75 echo Add the line: 'base_image: "samsaffron/discourse:0.1.1"'
76 echo Change: "templates/postgres.template.yml TO templates/postgres.9.2.template.yml"
78 echo Run "./launcher bootstrap" again
80 echo When your instance is running:
81 echo - Go to the admin UI, enable readonly and backup your site
83 echo Then destroy your container "./launcher destroy standalone"
84 echo Undo the base_image and postgres.9.2 template from your container config
85 echo Run: "sudo mv /var/discourse/shared/postgres_data /var/shared/postgres_data_old"
86 echo Run: "./launcher bootstrap"
88 echo "Login to the blank site, and import your backup (remember to set the allow_restore site setting)"
89 echo Restart your container: "./launcher restart"
90 echo -------------------------------------------------------------------------------------
94 mv /shared/postgres_data /shared/postgres_data_old
95 mv /shared/postgres_data_new /shared/postgres_data
97 echo -------------------------------------------------------------------------------------
98 echo UPGRADE OF POSTGRES COMPLETE
100 echo Old 9.2 database is stored at /shared/postgres_data_old
102 echo Please run "./launcher bootstrap" again
103 echo -------------------------------------------------------------------------------------
108 - chown -R root /var/lib/postgresql/9.3/main
109 - "[ ! -e /shared/postgres_data ] && install -d -m 0755 -o postgres -g postgres /shared/postgres_data && sudo -E -u postgres /usr/lib/postgresql/9.3/bin/initdb -D /shared/postgres_data || exit 0"
110 - chown -R postgres:postgres /shared/postgres_data
111 - chown -R postgres:postgres /var/run/postgresql
113 - exec: /root/upgrade_postgres
114 - exec: rm /root/upgrade_postgres
117 filename: "/etc/postgresql/9.3/main/postgresql.conf"
118 from: "data_directory = '/var/lib/postgresql/9.3/main'"
119 to: "data_directory = '/shared/postgres_data'"
121 # listen on all interfaces
123 filename: "/etc/postgresql/9.3/main/postgresql.conf"
124 from: /#?listen_addresses *=.*/
125 to: "listen_addresses = '*'"
127 # sync commit off is faster and less spiky, also marginally less safe
129 filename: "/etc/postgresql/9.3/main/postgresql.conf"
130 from: /#?synchronous_commit *=.*/
131 to: "synchronous_commit = $db_synchronous_commit"
133 # default is 128MB which is way too small
135 filename: "/etc/postgresql/9.3/main/postgresql.conf"
136 from: /#?shared_buffers *=.*/
137 to: "shared_buffers = $db_shared_buffers"
139 # default is 1MB which is too small
141 filename: "/etc/postgresql/9.3/main/postgresql.conf"
142 from: /#?work_mem *=.*/
143 to: "work_mem = $db_work_mem"
147 filename: "/etc/postgresql/9.3/main/postgresql.conf"
148 from: /#?default_text_search_config *=.*/
149 to: "default_text_search_config = '$db_default_text_search_config'"
151 # Necessary to enable backups
154 - install -d -m 0755 -o postgres -g postgres /shared/postgres_backup
157 filename: "/etc/postgresql/9.3/main/postgresql.conf"
158 from: /#?max_wal_senders *=.*/
159 to: "max_wal_senders = $db_max_wal_senders"
162 filename: "/etc/postgresql/9.3/main/postgresql.conf"
163 from: /#?wal_level *=.*/
164 to: "wal_level = $db_wal_level"
167 filename: "/etc/postgresql/9.3/main/postgresql.conf"
168 from: /#?checkpoint_segments *=.*/
169 to: "checkpoint_segments = $db_checkpoint_segments"
172 filename: "/etc/postgresql/9.3/main/postgresql.conf"
173 from: /#?logging_collector *=.*/
174 to: "logging_collector = $db_logging_collector"
177 filename: "/etc/postgresql/9.3/main/postgresql.conf"
178 from: /#?log_min_duration_statement *=.*/
179 to: "log_min_duration_statement = $db_log_min_duration_statement"
182 filename: "/etc/postgresql/9.3/main/pg_hba.conf"
183 from: /^#local +replication +postgres +peer$/
184 to: "local replication postgres peer"
186 # allow all to connect in with md5 auth
188 filename: "/etc/postgresql/9.3/main/pg_hba.conf"
189 from: /^host.*all.*all.*127.*$/
190 to: "host all all 0.0.0.0/0 md5"
194 # use fast shutdown for pg
196 cmd: HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/9.3/bin/postmaster -D /etc/postgresql/9.3/main
198 # give db a few secs to start up
201 - exec: su postgres -c 'createdb $db_name' || true
202 - exec: su postgres -c 'psql $db_name -c "create user $db_user;"' || true
203 - exec: su postgres -c 'psql $db_name -c "grant all privileges on database $db_name to $db_user;"' || true
204 - exec: su postgres -c 'psql $db_name -c "alter schema public owner to $db_user;"'
205 - exec: su postgres -c 'psql template1 -c "create extension if not exists hstore;"'
206 - exec: su postgres -c 'psql template1 -c "create extension if not exists pg_trgm;"'
207 - exec: su postgres -c 'psql $db_name -c "create extension if not exists hstore;"'
208 - exec: su postgres -c 'psql $db_name -c "create extension if not exists pg_trgm;"'
211 update pg_database set encoding = pg_char_to_encoding('UTF8') where datname = '$db_name' AND encoding = pg_char_to_encoding('SQL_ASCII');
212 cmd: sudo -u postgres psql $db_name
216 path: /var/lib/postgresql/take-database-backup
217 chown: postgres:postgres
222 FILENAME=/shared/postgres_backup/$ID.tar.gz
223 pg_basebackup --format=tar --pgdata=- --xlog --gzip --label=$ID > $FILENAME
227 path: /var/spool/cron/crontabs/postgres
229 # m h dom mon dow command
231 #0 */4 * * * /var/lib/postgresql/take-database-backup
235 cmd: "echo postgres installed!"