2 db_synchronous_commit: "off"
3 db_shared_buffers: "256MB"
5 db_default_text_search_config: "pg_catalog.english"
10 filename: /etc/service/unicorn/run
12 to: sv start postgres || exit 1
15 - exec: mkdir -p /shared/postgres_run
16 - exec: chown postgres:postgres /shared/postgres_run
17 - exec: chmod 775 /shared/postgres_run
18 - exec: rm -fr /var/run/postgresql
19 - exec: ln -s /shared/postgres_run /var/run/postgresql
20 - exec: socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1
21 - exec: rm -fr /shared/postgres_run/.s*
22 - exec: rm -fr /shared/postgres_run/*.pid
23 - exec: mkdir -p /shared/postgres_run/9.3-main.pg_stat_tmp
24 - exec: chown postgres:postgres /shared/postgres_run/9.3-main.pg_stat_tmp
26 path: /etc/service/postgres/run
31 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
34 path: /etc/runit/3.d/99-postgres
41 path: /root/upgrade_postgres
45 if [ "9.2" = `cat /shared/postgres_data/PG_VERSION` ]; then
46 echo Upgrading PostgreSQL to from version 9.2 to 9.3
47 rm -fr /shared/postgres_data_new
48 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
50 apt-get install -y postgresql-9.2
51 /etc/init.d/postgresql stop
52 rm -fr /shared/postgres_data/postmaster.pid
54 cp /etc/postgresql/9.2/main/*.conf /shared/postgres_data
55 echo >> /shared/postgres_data/postgresql.conf
56 echo "data_directory = '/shared/postgres_data'" >> /shared/postgres_data/postgresql.conf
58 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
60 if [[ "$SUCCESS" == 'false' ]]; then
61 echo -------------------------------------------------------------------------------------
62 echo UPGRADE OF POSTGRES FAILED
64 echo You are going to need to export your data and import into a clean instance:
66 echo Add the line: 'base_image: "samsaffron/discourse:0.1.1"'
67 echo Change: "templates/postgres.template.yml TO templates/postgres.9.2.template.yml"
69 echo Run "./launcher bootstrap" again
71 echo When your instance is running:
72 echo - Go to the admin UI, enable readonly and backup your site
74 echo Then destroy your container "./launcher destroy standalone"
75 echo Undo the base_image and postgres.9.2 template from your container config
76 echo Run: "sudo mv /var/discourse/shared/postgres_data /var/shared/postgres_data_old"
77 echo Run: "./launcher bootstrap"
79 echo "Login to the blank site, and import your backup (remember to set the allow_restore site setting)"
80 echo Restart your container: "./launcher restart"
81 echo -------------------------------------------------------------------------------------
85 mv /shared/postgres_data /shared/postgres_data_old
86 mv /shared/postgres_data_new /shared/postgres_data
88 echo -------------------------------------------------------------------------------------
89 echo UPGRADE OF POSTGRES COMPLETE
91 echo Old 9.2 database is stored at /shared/postgres_data_old
93 echo Please run "./launcher bootstrap" again
94 echo -------------------------------------------------------------------------------------
99 - chown -R root /var/lib/postgresql/9.3/main
100 - "[ ! -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"
101 - chown -R postgres:postgres /shared/postgres_data
102 - chown -R postgres:postgres /var/run/postgresql
104 - exec: /root/upgrade_postgres
105 - exec: rm /root/upgrade_postgres
108 filename: "/etc/postgresql/9.3/main/postgresql.conf"
109 from: "data_directory = '/var/lib/postgresql/9.3/main'"
110 to: "data_directory = '/shared/postgres_data'"
112 # listen on all interfaces
114 filename: "/etc/postgresql/9.3/main/postgresql.conf"
115 from: /#?listen_addresses *=.*/
116 to: "listen_addresses = '*'"
118 # sync commit off is faster and less spiky, also marginally less safe
120 filename: "/etc/postgresql/9.3/main/postgresql.conf"
121 from: /#?synchronous_commit *=.*/
122 to: "synchronous_commit = $db_synchronous_commit"
124 # default is 128MB which is way too small
126 filename: "/etc/postgresql/9.3/main/postgresql.conf"
127 from: /#?shared_buffers *=.*/
128 to: "shared_buffers = $db_shared_buffers"
130 # default is 1MB which is too small
132 filename: "/etc/postgresql/9.3/main/postgresql.conf"
133 from: /#?work_mem *=.*/
134 to: "work_mem = $db_work_mem"
138 filename: "/etc/postgresql/9.3/main/postgresql.conf"
139 from: /#?default_text_search_config *=.*/
140 to: "default_text_search_config = '$db_default_text_search_config'"
142 # Necessary to enable backups
145 - install -d -m 0755 -o postgres -g postgres /shared/postgres_backup
148 filename: "/etc/postgresql/9.3/main/postgresql.conf"
149 from: /#?max_wal_senders *=.*/
150 to: "max_wal_senders = 4"
153 filename: "/etc/postgresql/9.3/main/postgresql.conf"
154 from: /#?wal_level *=.*/
155 to: "wal_level = hot_standby"
158 filename: "/etc/postgresql/9.3/main/pg_hba.conf"
159 from: /^#local +replication +postgres +peer$/
160 to: "local replication postgres peer"
162 # allow all to connect in with md5 auth
164 filename: "/etc/postgresql/9.3/main/pg_hba.conf"
165 from: /^host.*all.*all.*127.*$/
166 to: "host all all 0.0.0.0/0 md5"
170 # use fast shutdown for pg
172 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
174 # give db a few secs to start up
177 - exec: su postgres -c 'createdb discourse' || true
178 - exec: su postgres -c 'psql discourse -c "create user discourse;"' || true
179 - exec: su postgres -c 'psql discourse -c "grant all privileges on database discourse to discourse;"' || true
180 - exec: su postgres -c 'psql discourse -c "alter schema public owner to discourse;"'
181 - exec: su postgres -c 'psql template1 -c "create extension if not exists hstore;"'
182 - exec: su postgres -c 'psql template1 -c "create extension if not exists pg_trgm;"'
183 - exec: su postgres -c 'psql discourse -c "create extension if not exists hstore;"'
184 - exec: su postgres -c 'psql discourse -c "create extension if not exists pg_trgm;"'
187 path: /var/lib/postgresql/take-database-backup
188 chown: postgres:postgres
193 FILENAME=/shared/postgres_backup/$ID.tar.gz
194 pg_basebackup --format=tar --pgdata=- --xlog --gzip --label=$ID > $FILENAME
198 path: /var/spool/cron/crontabs/postgres
200 # m h dom mon dow command
202 #0 */4 * * * /var/lib/postgresql/take-database-backup
206 cmd: "echo postgres installed!"