From: Régis Hanol Date: Mon, 7 Mar 2016 10:55:04 +0000 (+0100) Subject: add pg 9.5 template X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=f319b97de18e454e1d395088691a7055142a7937;p=discourse_docker.git add pg 9.5 template --- diff --git a/templates/postgres.9.5.template.yaml b/templates/postgres.9.5.template.yaml new file mode 100644 index 0000000..09e3b46 --- /dev/null +++ b/templates/postgres.9.5.template.yaml @@ -0,0 +1,175 @@ +params: + db_synchronous_commit: "off" + db_shared_buffers: "256MB" + db_work_mem: "10MB" + db_default_text_search_config: "pg_catalog.english" + db_name: discourse + db_user: discourse + db_wal_level: minimal + db_max_wal_senders: 0 + db_checkpoint_segments: 6 + db_logging_collector: off + db_log_min_duration_statement: 100 + + +hooks: + before_code: + - replace: + filename: /etc/service/unicorn/run + from: "# postgres" + to: sv start postgres || exit 1 + +run: + - exec: mkdir -p /shared/postgres_run + - exec: chown postgres:postgres /shared/postgres_run + - exec: chmod 775 /shared/postgres_run + - exec: rm -fr /var/run/postgresql + - exec: ln -s /shared/postgres_run /var/run/postgresql + - exec: socat /dev/null UNIX-CONNECT:/shared/postgres_run/.s.PGSQL.5432 || exit 0 && echo postgres already running stop container ; exit 1 + - exec: rm -fr /shared/postgres_run/.s* + - exec: rm -fr /shared/postgres_run/*.pid + - exec: mkdir -p /shared/postgres_run/9.5-main.pg_stat_tmp + - exec: chown postgres:postgres /shared/postgres_run/9.5-main.pg_stat_tmp + - file: + path: /etc/service/postgres/run + chmod: "+x" + contents: | + #!/bin/sh + exec 2>&1 + echo -1000 >/proc/self/oom_score_adj + HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/9.5/bin/postmaster -D /etc/postgresql/9.5/main + + - file: + path: /etc/runit/3.d/99-postgres + chmod: "+x" + contents: | + #!/bin/bash + sv stop postgres + + - exec: + cmd: + - chown -R root /var/lib/postgresql/9.5/main + - "[ ! -e /shared/postgres_data ] && install -d -m 0755 -o postgres -g postgres /shared/postgres_data && sudo -E -u postgres /usr/lib/postgresql/9.5/bin/initdb -D /shared/postgres_data || exit 0" + - chown -R postgres:postgres /shared/postgres_data + - chown -R postgres:postgres /var/run/postgresql + + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: "data_directory = '/var/lib/postgresql/9.5/main'" + to: "data_directory = '/shared/postgres_data'" + + # listen on all interfaces + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?listen_addresses *=.*/ + to: "listen_addresses = '*'" + + # sync commit off is faster and less spiky, also marginally less safe + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?synchronous_commit *=.*/ + to: "synchronous_commit = $db_synchronous_commit" + + # default is 128MB which is way too small + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?shared_buffers *=.*/ + to: "shared_buffers = $db_shared_buffers" + + # default is 1MB which is too small + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?work_mem *=.*/ + to: "work_mem = $db_work_mem" + + # allow for other + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?default_text_search_config *=.*/ + to: "default_text_search_config = '$db_default_text_search_config'" + + # Necessary to enable backups + - exec: + cmd: + - install -d -m 0755 -o postgres -g postgres /shared/postgres_backup + + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?max_wal_senders *=.*/ + to: "max_wal_senders = $db_max_wal_senders" + + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?wal_level *=.*/ + to: "wal_level = $db_wal_level" + + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?checkpoint_segments *=.*/ + to: "checkpoint_segments = $db_checkpoint_segments" + + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?logging_collector *=.*/ + to: "logging_collector = $db_logging_collector" + + - replace: + filename: "/etc/postgresql/9.5/main/postgresql.conf" + from: /#?log_min_duration_statement *=.*/ + to: "log_min_duration_statement = $db_log_min_duration_statement" + + - replace: + filename: "/etc/postgresql/9.5/main/pg_hba.conf" + from: /^#local +replication +postgres +peer$/ + to: "local replication postgres peer" + + # allow all to connect in with md5 auth + - replace: + filename: "/etc/postgresql/9.5/main/pg_hba.conf" + from: /^host.*all.*all.*127.*$/ + to: "host all all 0.0.0.0/0 md5" + + - exec: + background: true + # use fast shutdown for pg + stop_signal: INT + cmd: HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/9.5/bin/postmaster -D /etc/postgresql/9.5/main + + # give db a few secs to start up + - exec: "sleep 5" + + - exec: su postgres -c 'createdb $db_name' || true + - exec: su postgres -c 'psql $db_name -c "create user $db_user;"' || true + - exec: su postgres -c 'psql $db_name -c "grant all privileges on database $db_name to $db_user;"' || true + - exec: su postgres -c 'psql $db_name -c "alter schema public owner to $db_user;"' + - exec: su postgres -c 'psql template1 -c "create extension if not exists hstore;"' + - exec: su postgres -c 'psql template1 -c "create extension if not exists pg_trgm;"' + - exec: su postgres -c 'psql $db_name -c "create extension if not exists hstore;"' + - exec: su postgres -c 'psql $db_name -c "create extension if not exists pg_trgm;"' + - exec: + stdin: | + update pg_database set encoding = pg_char_to_encoding('UTF8') where datname = '$db_name' AND encoding = pg_char_to_encoding('SQL_ASCII'); + cmd: sudo -u postgres psql $db_name + raise_on_fail: false + + - file: + path: /var/lib/postgresql/take-database-backup + chown: postgres:postgres + chmod: "+x" + contents: | + #!/bin/bash + ID=db-$(date +%F_%T) + FILENAME=/shared/postgres_backup/$ID.tar.gz + pg_basebackup --format=tar --pgdata=- --xlog --gzip --label=$ID > $FILENAME + echo $FILENAME + + - file: + path: /var/spool/cron/crontabs/postgres + contents: | + # m h dom mon dow command + #MAILTO=? + #0 */4 * * * /var/lib/postgresql/take-database-backup + + - exec: + hook: postgres + cmd: "echo postgres installed!"